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default function(a, b) {\n return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;\n}\n","import ascending from \"./ascending\";\n\nexport default function(compare) {\n if (compare.length === 1) compare = ascendingComparator(compare);\n return {\n left: function(a, x, lo, hi) {\n if (lo == null) lo = 0;\n if (hi == null) hi = a.length;\n while (lo < hi) {\n var mid = lo + hi >>> 1;\n if (compare(a[mid], x) < 0) lo = mid + 1;\n else hi = mid;\n }\n return lo;\n },\n right: function(a, x, lo, hi) {\n if (lo == null) lo = 0;\n if (hi == null) hi = a.length;\n while (lo < hi) {\n var mid = lo + hi >>> 1;\n if (compare(a[mid], x) > 0) hi = mid;\n else lo = mid + 1;\n }\n return lo;\n }\n };\n}\n\nfunction ascendingComparator(f) {\n return function(d, x) {\n return ascending(f(d), x);\n };\n}\n","import ascending from \"./ascending\";\nimport bisector from \"./bisector\";\n\nvar ascendingBisect = bisector(ascending);\nexport var bisectRight = ascendingBisect.right;\nexport var bisectLeft = ascendingBisect.left;\nexport default bisectRight;\n","export default function(array, f) {\n if (f == null) f = pair;\n var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n);\n while (i < n) pairs[i] = f(p, p = array[++i]);\n return pairs;\n}\n\nexport function pair(a, b) {\n return [a, b];\n}\n","export default function(x) {\n return x === null ? NaN : +x;\n}\n","import number from \"./number\";\n\nexport default function(values, valueof) {\n var n = values.length,\n m = 0,\n i = -1,\n mean = 0,\n value,\n delta,\n sum = 0;\n\n if (valueof == null) {\n while (++i < n) {\n if (!isNaN(value = number(values[i]))) {\n delta = value - mean;\n mean += delta / ++m;\n sum += delta * (value - mean);\n }\n }\n }\n\n else {\n while (++i < n) {\n if (!isNaN(value = number(valueof(values[i], i, values)))) {\n delta = value - mean;\n mean += delta / ++m;\n sum += delta * (value - mean);\n }\n }\n }\n\n if (m > 1) return sum / (m - 1);\n}\n","import variance from \"./variance\";\n\nexport default function(array, f) {\n var v = variance(array, f);\n return v ? Math.sqrt(v) : v;\n}\n","export default function(values, valueof) {\n var n = values.length,\n i = -1,\n value,\n min,\n max;\n\n if (valueof == null) {\n while (++i < n) { // Find the first comparable value.\n if ((value = values[i]) != null && value >= value) {\n min = max = value;\n while (++i < n) { // Compare the remaining values.\n if ((value = values[i]) != null) {\n if (min > value) min = value;\n if (max < value) max = value;\n }\n }\n }\n }\n }\n\n else {\n while (++i < n) { // Find the first comparable value.\n if ((value = valueof(values[i], i, values)) != null && value >= value) {\n min = max = value;\n while (++i < n) { // Compare the remaining values.\n if ((value = valueof(values[i], i, values)) != null) {\n if (min > value) min = value;\n if (max < value) max = value;\n }\n }\n }\n }\n }\n\n return [min, max];\n}\n","var array = Array.prototype;\n\nexport var slice = array.slice;\nexport var map = array.map;\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","export default function(x) {\n return x;\n}\n","export default function(start, stop, step) {\n start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step;\n\n var i = -1,\n n = Math.max(0, Math.ceil((stop - start) / step)) | 0,\n range = new Array(n);\n\n while (++i < n) {\n range[i] = start + i * step;\n }\n\n return range;\n}\n","var e10 = Math.sqrt(50),\n e5 = Math.sqrt(10),\n e2 = Math.sqrt(2);\n\nexport default function(start, stop, count) {\n var reverse,\n i = -1,\n n,\n ticks,\n step;\n\n stop = +stop, start = +start, count = +count;\n if (start === stop && count > 0) return [start];\n if (reverse = stop < start) n = start, start = stop, stop = n;\n if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return [];\n\n if (step > 0) {\n start = Math.ceil(start / step);\n stop = Math.floor(stop / step);\n ticks = new Array(n = Math.ceil(stop - start + 1));\n while (++i < n) ticks[i] = (start + i) * step;\n } else {\n start = Math.floor(start * step);\n stop = Math.ceil(stop * step);\n ticks = new Array(n = Math.ceil(start - stop + 1));\n while (++i < n) ticks[i] = (start - i) / step;\n }\n\n if (reverse) ticks.reverse();\n\n return ticks;\n}\n\nexport function tickIncrement(start, stop, count) {\n var step = (stop - start) / Math.max(0, count),\n power = Math.floor(Math.log(step) / Math.LN10),\n error = step / Math.pow(10, power);\n return power >= 0\n ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power)\n : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1);\n}\n\nexport function tickStep(start, stop, count) {\n var step0 = Math.abs(stop - start) / Math.max(0, count),\n step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)),\n error = step0 / step1;\n if (error >= e10) step1 *= 10;\n else if (error >= e5) step1 *= 5;\n else if (error >= e2) step1 *= 2;\n return stop < start ? -step1 : step1;\n}\n","export default function(values) {\n return Math.ceil(Math.log(values.length) / Math.LN2) + 1;\n}\n","import number from \"./number\";\n\nexport default function(values, p, valueof) {\n if (valueof == null) valueof = number;\n if (!(n = values.length)) return;\n if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values);\n if (p >= 1) return +valueof(values[n - 1], n - 1, values);\n var n,\n i = (n - 1) * p,\n i0 = Math.floor(i),\n value0 = +valueof(values[i0], i0, values),\n value1 = +valueof(values[i0 + 1], i0 + 1, values);\n return value0 + (value1 - value0) * (i - i0);\n}\n","export default function(values, valueof) {\n var n = values.length,\n i = -1,\n value,\n max;\n\n if (valueof == null) {\n while (++i < n) { // Find the first comparable value.\n if ((value = values[i]) != null && value >= value) {\n max = value;\n while (++i < n) { // Compare the remaining values.\n if ((value = values[i]) != null && value > max) {\n max = value;\n }\n }\n }\n }\n }\n\n else {\n while (++i < n) { // Find the first comparable value.\n if ((value = valueof(values[i], i, values)) != null && value >= value) {\n max = value;\n while (++i < n) { // Compare the remaining values.\n if ((value = valueof(values[i], i, values)) != null && value > max) {\n max = value;\n }\n }\n }\n }\n }\n\n return max;\n}\n","export default function(arrays) {\n var n = arrays.length,\n m,\n i = -1,\n j = 0,\n merged,\n array;\n\n while (++i < n) j += arrays[i].length;\n merged = new Array(j);\n\n while (--n >= 0) {\n array = arrays[n];\n m = array.length;\n while (--m >= 0) {\n merged[--j] = array[m];\n }\n }\n\n return merged;\n}\n","export default function(values, valueof) {\n var n = values.length,\n i = -1,\n value,\n min;\n\n if (valueof == null) {\n while (++i < n) { // Find the first comparable value.\n if ((value = values[i]) != null && value >= value) {\n min = value;\n while (++i < n) { // Compare the remaining values.\n if ((value = values[i]) != null && min > value) {\n min = value;\n }\n }\n }\n }\n }\n\n else {\n while (++i < n) { // Find the first comparable value.\n if ((value = valueof(values[i], i, values)) != null && value >= value) {\n min = value;\n while (++i < n) { // Compare the remaining values.\n if ((value = valueof(values[i], i, values)) != null && min > value) {\n min = value;\n }\n }\n }\n }\n }\n\n return min;\n}\n","import min from \"./min\";\n\nexport default function(matrix) {\n if (!(n = matrix.length)) return [];\n for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) {\n for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) {\n row[j] = matrix[j][i];\n }\n }\n return transpose;\n}\n\nfunction length(d) {\n return d.length;\n}\n","export var slice = Array.prototype.slice;\n","export default function(x) {\n return x;\n}\n","import {slice} from \"./array\";\nimport identity from \"./identity\";\n\nvar top = 1,\n right = 2,\n bottom = 3,\n left = 4,\n epsilon = 1e-6;\n\nfunction translateX(x) {\n return \"translate(\" + (x + 0.5) + \",0)\";\n}\n\nfunction translateY(y) {\n return \"translate(0,\" + (y + 0.5) + \")\";\n}\n\nfunction number(scale) {\n return function(d) {\n return +scale(d);\n };\n}\n\nfunction center(scale) {\n var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset.\n if (scale.round()) offset = Math.round(offset);\n return function(d) {\n return +scale(d) + offset;\n };\n}\n\nfunction entering() {\n return !this.__axis;\n}\n\nfunction axis(orient, scale) {\n var tickArguments = [],\n tickValues = null,\n tickFormat = null,\n tickSizeInner = 6,\n tickSizeOuter = 6,\n tickPadding = 3,\n k = orient === top || orient === left ? -1 : 1,\n x = orient === left || orient === right ? \"x\" : \"y\",\n transform = orient === top || orient === bottom ? translateX : translateY;\n\n function axis(context) {\n var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues,\n format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity) : tickFormat,\n spacing = Math.max(tickSizeInner, 0) + tickPadding,\n range = scale.range(),\n range0 = +range[0] + 0.5,\n range1 = +range[range.length - 1] + 0.5,\n position = (scale.bandwidth ? center : number)(scale.copy()),\n selection = context.selection ? context.selection() : context,\n path = selection.selectAll(\".domain\").data([null]),\n tick = selection.selectAll(\".tick\").data(values, scale).order(),\n tickExit = tick.exit(),\n tickEnter = tick.enter().append(\"g\").attr(\"class\", \"tick\"),\n line = tick.select(\"line\"),\n text = tick.select(\"text\");\n\n path = path.merge(path.enter().insert(\"path\", \".tick\")\n .attr(\"class\", \"domain\")\n .attr(\"stroke\", \"currentColor\"));\n\n tick = tick.merge(tickEnter);\n\n line = line.merge(tickEnter.append(\"line\")\n .attr(\"stroke\", \"currentColor\")\n .attr(x + \"2\", k * tickSizeInner));\n\n text = text.merge(tickEnter.append(\"text\")\n .attr(\"fill\", \"currentColor\")\n .attr(x, k * spacing)\n .attr(\"dy\", orient === top ? \"0em\" : orient === bottom ? \"0.71em\" : \"0.32em\"));\n\n if (context !== selection) {\n path = path.transition(context);\n tick = tick.transition(context);\n line = line.transition(context);\n text = text.transition(context);\n\n tickExit = tickExit.transition(context)\n .attr(\"opacity\", epsilon)\n .attr(\"transform\", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute(\"transform\"); });\n\n tickEnter\n .attr(\"opacity\", epsilon)\n .attr(\"transform\", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); });\n }\n\n tickExit.remove();\n\n path\n .attr(\"d\", orient === left || orient == right\n ? (tickSizeOuter ? \"M\" + k * tickSizeOuter + \",\" + range0 + \"H0.5V\" + range1 + \"H\" + k * tickSizeOuter : \"M0.5,\" + range0 + \"V\" + range1)\n : (tickSizeOuter ? \"M\" + range0 + \",\" + k * tickSizeOuter + \"V0.5H\" + range1 + \"V\" + k * tickSizeOuter : \"M\" + range0 + \",0.5H\" + range1));\n\n tick\n .attr(\"opacity\", 1)\n .attr(\"transform\", function(d) { return transform(position(d)); });\n\n line\n .attr(x + \"2\", k * tickSizeInner);\n\n text\n .attr(x, k * spacing)\n .text(format);\n\n selection.filter(entering)\n .attr(\"fill\", \"none\")\n .attr(\"font-size\", 10)\n .attr(\"font-family\", \"sans-serif\")\n .attr(\"text-anchor\", orient === right ? \"start\" : orient === left ? \"end\" : \"middle\");\n\n selection\n .each(function() { this.__axis = position; });\n }\n\n axis.scale = function(_) {\n return arguments.length ? (scale = _, axis) : scale;\n };\n\n axis.ticks = function() {\n return tickArguments = slice.call(arguments), axis;\n };\n\n axis.tickArguments = function(_) {\n return arguments.length ? (tickArguments = _ == null ? [] : slice.call(_), axis) : tickArguments.slice();\n };\n\n axis.tickValues = function(_) {\n return arguments.length ? (tickValues = _ == null ? null : slice.call(_), axis) : tickValues && tickValues.slice();\n };\n\n axis.tickFormat = function(_) {\n return arguments.length ? (tickFormat = _, axis) : tickFormat;\n };\n\n axis.tickSize = function(_) {\n return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner;\n };\n\n axis.tickSizeInner = function(_) {\n return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner;\n };\n\n axis.tickSizeOuter = function(_) {\n return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter;\n };\n\n axis.tickPadding = function(_) {\n return arguments.length ? (tickPadding = +_, axis) : tickPadding;\n };\n\n return axis;\n}\n\nexport function axisTop(scale) {\n return axis(top, scale);\n}\n\nexport function axisRight(scale) {\n return axis(right, scale);\n}\n\nexport function axisBottom(scale) {\n return axis(bottom, scale);\n}\n\nexport function axisLeft(scale) {\n return axis(left, scale);\n}\n","var noop = {value: function() {}};\n\nfunction dispatch() {\n for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) {\n if (!(t = arguments[i] + \"\") || (t in _) || /[\\s.]/.test(t)) throw new Error(\"illegal type: \" + t);\n _[t] = [];\n }\n return new Dispatch(_);\n}\n\nfunction Dispatch(_) {\n this._ = _;\n}\n\nfunction parseTypenames(typenames, types) {\n return typenames.trim().split(/^|\\s+/).map(function(t) {\n var name = \"\", i = t.indexOf(\".\");\n if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);\n if (t && !types.hasOwnProperty(t)) throw new Error(\"unknown type: \" + t);\n return {type: t, name: name};\n });\n}\n\nDispatch.prototype = dispatch.prototype = {\n constructor: Dispatch,\n on: function(typename, callback) {\n var _ = this._,\n T = parseTypenames(typename + \"\", _),\n t,\n i = -1,\n n = T.length;\n\n // If no callback was specified, return the callback of the given type and name.\n if (arguments.length < 2) {\n while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t;\n return;\n }\n\n // If a type was specified, set the callback for the given type and name.\n // Otherwise, if a null callback was specified, remove callbacks of the given name.\n if (callback != null && typeof callback !== \"function\") throw new Error(\"invalid callback: \" + callback);\n while (++i < n) {\n if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback);\n else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null);\n }\n\n return this;\n },\n copy: function() {\n var copy = {}, _ = this._;\n for (var t in _) copy[t] = _[t].slice();\n return new Dispatch(copy);\n },\n call: function(type, that) {\n if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2];\n if (!this._.hasOwnProperty(type)) throw new Error(\"unknown type: \" + type);\n for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args);\n },\n apply: function(type, that, args) {\n if (!this._.hasOwnProperty(type)) throw new Error(\"unknown type: \" + type);\n for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args);\n }\n};\n\nfunction get(type, name) {\n for (var i = 0, n = type.length, c; i < n; ++i) {\n if ((c = type[i]).name === name) {\n return c.value;\n }\n }\n}\n\nfunction set(type, name, callback) {\n for (var i = 0, n = type.length; i < n; ++i) {\n if (type[i].name === name) {\n type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1));\n break;\n }\n }\n if (callback != null) type.push({name: name, value: callback});\n return type;\n}\n\nexport default dispatch;\n","export var xhtml = \"http://www.w3.org/1999/xhtml\";\n\nexport default {\n svg: \"http://www.w3.org/2000/svg\",\n xhtml: xhtml,\n xlink: \"http://www.w3.org/1999/xlink\",\n xml: \"http://www.w3.org/XML/1998/namespace\",\n xmlns: \"http://www.w3.org/2000/xmlns/\"\n};\n","import namespaces from \"./namespaces\";\n\nexport default function(name) {\n var prefix = name += \"\", i = prefix.indexOf(\":\");\n if (i >= 0 && (prefix = name.slice(0, i)) !== \"xmlns\") name = name.slice(i + 1);\n return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name;\n}\n","import namespace from \"./namespace\";\nimport {xhtml} from \"./namespaces\";\n\nfunction creatorInherit(name) {\n return function() {\n var document = this.ownerDocument,\n uri = this.namespaceURI;\n return uri === xhtml && document.documentElement.namespaceURI === xhtml\n ? document.createElement(name)\n : document.createElementNS(uri, name);\n };\n}\n\nfunction creatorFixed(fullname) {\n return function() {\n return this.ownerDocument.createElementNS(fullname.space, fullname.local);\n };\n}\n\nexport default function(name) {\n var fullname = namespace(name);\n return (fullname.local\n ? creatorFixed\n : creatorInherit)(fullname);\n}\n","function none() {}\n\nexport default function(selector) {\n return selector == null ? none : function() {\n return this.querySelector(selector);\n };\n}\n","function empty() {\n return [];\n}\n\nexport default function(selector) {\n return selector == null ? empty : function() {\n return this.querySelectorAll(selector);\n };\n}\n","export default function(selector) {\n return function() {\n return this.matches(selector);\n };\n}\n","export default function(update) {\n return new Array(update.length);\n}\n","import sparse from \"./sparse\";\nimport {Selection} from \"./index\";\n\nexport default function() {\n return new Selection(this._enter || this._groups.map(sparse), this._parents);\n}\n\nexport function EnterNode(parent, datum) {\n this.ownerDocument = parent.ownerDocument;\n this.namespaceURI = parent.namespaceURI;\n this._next = null;\n this._parent = parent;\n this.__data__ = datum;\n}\n\nEnterNode.prototype = {\n constructor: EnterNode,\n appendChild: function(child) { return this._parent.insertBefore(child, this._next); },\n insertBefore: function(child, next) { return this._parent.insertBefore(child, next); },\n querySelector: function(selector) { return this._parent.querySelector(selector); },\n querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); }\n};\n","import {Selection} from \"./index\";\nimport {EnterNode} from \"./enter\";\nimport constant from \"../constant\";\n\nvar keyPrefix = \"$\"; // Protect against keys like “__proto__”.\n\nfunction bindIndex(parent, group, enter, update, exit, data) {\n var i = 0,\n node,\n groupLength = group.length,\n dataLength = data.length;\n\n // Put any non-null nodes that fit into update.\n // Put any null nodes into enter.\n // Put any remaining data into enter.\n for (; i < dataLength; ++i) {\n if (node = group[i]) {\n node.__data__ = data[i];\n update[i] = node;\n } else {\n enter[i] = new EnterNode(parent, data[i]);\n }\n }\n\n // Put any non-null nodes that don’t fit into exit.\n for (; i < groupLength; ++i) {\n if (node = group[i]) {\n exit[i] = node;\n }\n }\n}\n\nfunction bindKey(parent, group, enter, update, exit, data, key) {\n var i,\n node,\n nodeByKeyValue = {},\n groupLength = group.length,\n dataLength = data.length,\n keyValues = new Array(groupLength),\n keyValue;\n\n // Compute the key for each node.\n // If multiple nodes have the same key, the duplicates are added to exit.\n for (i = 0; i < groupLength; ++i) {\n if (node = group[i]) {\n keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group);\n if (keyValue in nodeByKeyValue) {\n exit[i] = node;\n } else {\n nodeByKeyValue[keyValue] = node;\n }\n }\n }\n\n // Compute the key for each datum.\n // If there a node associated with this key, join and add it to update.\n // If there is not (or the key is a duplicate), add it to enter.\n for (i = 0; i < dataLength; ++i) {\n keyValue = keyPrefix + key.call(parent, data[i], i, data);\n if (node = nodeByKeyValue[keyValue]) {\n update[i] = node;\n node.__data__ = data[i];\n nodeByKeyValue[keyValue] = null;\n } else {\n enter[i] = new EnterNode(parent, data[i]);\n }\n }\n\n // Add any remaining nodes that were not bound to data to exit.\n for (i = 0; i < groupLength; ++i) {\n if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) {\n exit[i] = node;\n }\n }\n}\n\nexport default function(value, key) {\n if (!value) {\n data = new Array(this.size()), j = -1;\n this.each(function(d) { data[++j] = d; });\n return data;\n }\n\n var bind = key ? bindKey : bindIndex,\n parents = this._parents,\n groups = this._groups;\n\n if (typeof value !== \"function\") value = constant(value);\n\n for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) {\n var parent = parents[j],\n group = groups[j],\n groupLength = group.length,\n data = value.call(parent, parent && parent.__data__, j, parents),\n dataLength = data.length,\n enterGroup = enter[j] = new Array(dataLength),\n updateGroup = update[j] = new Array(dataLength),\n exitGroup = exit[j] = new Array(groupLength);\n\n bind(parent, group, enterGroup, updateGroup, exitGroup, data, key);\n\n // Now connect the enter nodes to their following update node, such that\n // appendChild can insert the materialized enter node before this node,\n // rather than at the end of the parent node.\n for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) {\n if (previous = enterGroup[i0]) {\n if (i0 >= i1) i1 = i0 + 1;\n while (!(next = updateGroup[i1]) && ++i1 < dataLength);\n previous._next = next || null;\n }\n }\n }\n\n update = new Selection(update, parents);\n update._enter = enter;\n update._exit = exit;\n return update;\n}\n","import {Selection} from \"./index\";\n\nexport default function(compare) {\n if (!compare) compare = ascending;\n\n function compareNode(a, b) {\n return a && b ? compare(a.__data__, b.__data__) : !a - !b;\n }\n\n for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) {\n if (node = group[i]) {\n sortgroup[i] = node;\n }\n }\n sortgroup.sort(compareNode);\n }\n\n return new Selection(sortgroups, this._parents).order();\n}\n\nfunction ascending(a, b) {\n return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;\n}\n","import namespace from \"../namespace\";\n\nfunction attrRemove(name) {\n return function() {\n this.removeAttribute(name);\n };\n}\n\nfunction attrRemoveNS(fullname) {\n return function() {\n this.removeAttributeNS(fullname.space, fullname.local);\n };\n}\n\nfunction attrConstant(name, value) {\n return function() {\n this.setAttribute(name, value);\n };\n}\n\nfunction attrConstantNS(fullname, value) {\n return function() {\n this.setAttributeNS(fullname.space, fullname.local, value);\n };\n}\n\nfunction attrFunction(name, value) {\n return function() {\n var v = value.apply(this, arguments);\n if (v == null) this.removeAttribute(name);\n else this.setAttribute(name, v);\n };\n}\n\nfunction attrFunctionNS(fullname, value) {\n return function() {\n var v = value.apply(this, arguments);\n if (v == null) this.removeAttributeNS(fullname.space, fullname.local);\n else this.setAttributeNS(fullname.space, fullname.local, v);\n };\n}\n\nexport default function(name, value) {\n var fullname = namespace(name);\n\n if (arguments.length < 2) {\n var node = this.node();\n return fullname.local\n ? node.getAttributeNS(fullname.space, fullname.local)\n : node.getAttribute(fullname);\n }\n\n return this.each((value == null\n ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === \"function\"\n ? (fullname.local ? attrFunctionNS : attrFunction)\n : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value));\n}\n","export default function(node) {\n return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node\n || (node.document && node) // node is a Window\n || node.defaultView; // node is a Document\n}\n","import defaultView from \"../window\";\n\nfunction styleRemove(name) {\n return function() {\n this.style.removeProperty(name);\n };\n}\n\nfunction styleConstant(name, value, priority) {\n return function() {\n this.style.setProperty(name, value, priority);\n };\n}\n\nfunction styleFunction(name, value, priority) {\n return function() {\n var v = value.apply(this, arguments);\n if (v == null) this.style.removeProperty(name);\n else this.style.setProperty(name, v, priority);\n };\n}\n\nexport default function(name, value, priority) {\n return arguments.length > 1\n ? this.each((value == null\n ? styleRemove : typeof value === \"function\"\n ? styleFunction\n : styleConstant)(name, value, priority == null ? \"\" : priority))\n : styleValue(this.node(), name);\n}\n\nexport function styleValue(node, name) {\n return node.style.getPropertyValue(name)\n || defaultView(node).getComputedStyle(node, null).getPropertyValue(name);\n}\n","function propertyRemove(name) {\n return function() {\n delete this[name];\n };\n}\n\nfunction propertyConstant(name, value) {\n return function() {\n this[name] = value;\n };\n}\n\nfunction propertyFunction(name, value) {\n return function() {\n var v = value.apply(this, arguments);\n if (v == null) delete this[name];\n else this[name] = v;\n };\n}\n\nexport default function(name, value) {\n return arguments.length > 1\n ? this.each((value == null\n ? propertyRemove : typeof value === \"function\"\n ? propertyFunction\n : propertyConstant)(name, value))\n : this.node()[name];\n}\n","function classArray(string) {\n return string.trim().split(/^|\\s+/);\n}\n\nfunction classList(node) {\n return node.classList || new ClassList(node);\n}\n\nfunction ClassList(node) {\n this._node = node;\n this._names = classArray(node.getAttribute(\"class\") || \"\");\n}\n\nClassList.prototype = {\n add: function(name) {\n var i = this._names.indexOf(name);\n if (i < 0) {\n this._names.push(name);\n this._node.setAttribute(\"class\", this._names.join(\" \"));\n }\n },\n remove: function(name) {\n var i = this._names.indexOf(name);\n if (i >= 0) {\n this._names.splice(i, 1);\n this._node.setAttribute(\"class\", this._names.join(\" \"));\n }\n },\n contains: function(name) {\n return this._names.indexOf(name) >= 0;\n }\n};\n\nfunction classedAdd(node, names) {\n var list = classList(node), i = -1, n = names.length;\n while (++i < n) list.add(names[i]);\n}\n\nfunction classedRemove(node, names) {\n var list = classList(node), i = -1, n = names.length;\n while (++i < n) list.remove(names[i]);\n}\n\nfunction classedTrue(names) {\n return function() {\n classedAdd(this, names);\n };\n}\n\nfunction classedFalse(names) {\n return function() {\n classedRemove(this, names);\n };\n}\n\nfunction classedFunction(names, value) {\n return function() {\n (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names);\n };\n}\n\nexport default function(name, value) {\n var names = classArray(name + \"\");\n\n if (arguments.length < 2) {\n var list = classList(this.node()), i = -1, n = names.length;\n while (++i < n) if (!list.contains(names[i])) return false;\n return true;\n }\n\n return this.each((typeof value === \"function\"\n ? classedFunction : value\n ? classedTrue\n : classedFalse)(names, value));\n}\n","function textRemove() {\n this.textContent = \"\";\n}\n\nfunction textConstant(value) {\n return function() {\n this.textContent = value;\n };\n}\n\nfunction textFunction(value) {\n return function() {\n var v = value.apply(this, arguments);\n this.textContent = v == null ? \"\" : v;\n };\n}\n\nexport default function(value) {\n return arguments.length\n ? this.each(value == null\n ? textRemove : (typeof value === \"function\"\n ? textFunction\n : textConstant)(value))\n : this.node().textContent;\n}\n","function htmlRemove() {\n this.innerHTML = \"\";\n}\n\nfunction htmlConstant(value) {\n return function() {\n this.innerHTML = value;\n };\n}\n\nfunction htmlFunction(value) {\n return function() {\n var v = value.apply(this, arguments);\n this.innerHTML = v == null ? \"\" : v;\n };\n}\n\nexport default function(value) {\n return arguments.length\n ? this.each(value == null\n ? htmlRemove : (typeof value === \"function\"\n ? htmlFunction\n : htmlConstant)(value))\n : this.node().innerHTML;\n}\n","function raise() {\n if (this.nextSibling) this.parentNode.appendChild(this);\n}\n\nexport default function() {\n return this.each(raise);\n}\n","function lower() {\n if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild);\n}\n\nexport default function() {\n return this.each(lower);\n}\n","import creator from \"../creator\";\nimport selector from \"../selector\";\n\nfunction constantNull() {\n return null;\n}\n\nexport default function(name, before) {\n var create = typeof name === \"function\" ? name : creator(name),\n select = before == null ? constantNull : typeof before === \"function\" ? before : selector(before);\n return this.select(function() {\n return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null);\n });\n}\n","function remove() {\n var parent = this.parentNode;\n if (parent) parent.removeChild(this);\n}\n\nexport default function() {\n return this.each(remove);\n}\n","function selection_cloneShallow() {\n var clone = this.cloneNode(false), parent = this.parentNode;\n return parent ? parent.insertBefore(clone, this.nextSibling) : clone;\n}\n\nfunction selection_cloneDeep() {\n var clone = this.cloneNode(true), parent = this.parentNode;\n return parent ? parent.insertBefore(clone, this.nextSibling) : clone;\n}\n\nexport default function(deep) {\n return this.select(deep ? selection_cloneDeep : selection_cloneShallow);\n}\n","var filterEvents = {};\n\nexport var event = null;\n\nif (typeof document !== \"undefined\") {\n var element = document.documentElement;\n if (!(\"onmouseenter\" in element)) {\n filterEvents = {mouseenter: \"mouseover\", mouseleave: \"mouseout\"};\n }\n}\n\nfunction filterContextListener(listener, index, group) {\n listener = contextListener(listener, index, group);\n return function(event) {\n var related = event.relatedTarget;\n if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) {\n listener.call(this, event);\n }\n };\n}\n\nfunction contextListener(listener, index, group) {\n return function(event1) {\n var event0 = event; // Events can be reentrant (e.g., focus).\n event = event1;\n try {\n listener.call(this, this.__data__, index, group);\n } finally {\n event = event0;\n }\n };\n}\n\nfunction parseTypenames(typenames) {\n return typenames.trim().split(/^|\\s+/).map(function(t) {\n var name = \"\", i = t.indexOf(\".\");\n if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);\n return {type: t, name: name};\n });\n}\n\nfunction onRemove(typename) {\n return function() {\n var on = this.__on;\n if (!on) return;\n for (var j = 0, i = -1, m = on.length, o; j < m; ++j) {\n if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) {\n this.removeEventListener(o.type, o.listener, o.capture);\n } else {\n on[++i] = o;\n }\n }\n if (++i) on.length = i;\n else delete this.__on;\n };\n}\n\nfunction onAdd(typename, value, capture) {\n var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener;\n return function(d, i, group) {\n var on = this.__on, o, listener = wrap(value, i, group);\n if (on) for (var j = 0, m = on.length; j < m; ++j) {\n if ((o = on[j]).type === typename.type && o.name === typename.name) {\n this.removeEventListener(o.type, o.listener, o.capture);\n this.addEventListener(o.type, o.listener = listener, o.capture = capture);\n o.value = value;\n return;\n }\n }\n this.addEventListener(typename.type, listener, capture);\n o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture};\n if (!on) this.__on = [o];\n else on.push(o);\n };\n}\n\nexport default function(typename, value, capture) {\n var typenames = parseTypenames(typename + \"\"), i, n = typenames.length, t;\n\n if (arguments.length < 2) {\n var on = this.node().__on;\n if (on) for (var j = 0, m = on.length, o; j < m; ++j) {\n for (i = 0, o = on[j]; i < n; ++i) {\n if ((t = typenames[i]).type === o.type && t.name === o.name) {\n return o.value;\n }\n }\n }\n return;\n }\n\n on = value ? onAdd : onRemove;\n if (capture == null) capture = false;\n for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture));\n return this;\n}\n\nexport function customEvent(event1, listener, that, args) {\n var event0 = event;\n event1.sourceEvent = event;\n event = event1;\n try {\n return listener.apply(that, args);\n } finally {\n event = event0;\n }\n}\n","import defaultView from \"../window\";\n\nfunction dispatchEvent(node, type, params) {\n var window = defaultView(node),\n event = window.CustomEvent;\n\n if (typeof event === \"function\") {\n event = new event(type, params);\n } else {\n event = window.document.createEvent(\"Event\");\n if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail;\n else event.initEvent(type, false, false);\n }\n\n node.dispatchEvent(event);\n}\n\nfunction dispatchConstant(type, params) {\n return function() {\n return dispatchEvent(this, type, params);\n };\n}\n\nfunction dispatchFunction(type, params) {\n return function() {\n return dispatchEvent(this, type, params.apply(this, arguments));\n };\n}\n\nexport default function(type, params) {\n return this.each((typeof params === \"function\"\n ? dispatchFunction\n : dispatchConstant)(type, params));\n}\n","import selection_select from \"./select\";\nimport selection_selectAll from \"./selectAll\";\nimport selection_filter from \"./filter\";\nimport selection_data from \"./data\";\nimport selection_enter from \"./enter\";\nimport selection_exit from \"./exit\";\nimport selection_join from \"./join\";\nimport selection_merge from \"./merge\";\nimport selection_order from \"./order\";\nimport selection_sort from \"./sort\";\nimport selection_call from \"./call\";\nimport selection_nodes from \"./nodes\";\nimport selection_node from \"./node\";\nimport selection_size from \"./size\";\nimport selection_empty from \"./empty\";\nimport selection_each from \"./each\";\nimport selection_attr from \"./attr\";\nimport selection_style from \"./style\";\nimport selection_property from \"./property\";\nimport selection_classed from \"./classed\";\nimport selection_text from \"./text\";\nimport selection_html from \"./html\";\nimport selection_raise from \"./raise\";\nimport selection_lower from \"./lower\";\nimport selection_append from \"./append\";\nimport selection_insert from \"./insert\";\nimport selection_remove from \"./remove\";\nimport selection_clone from \"./clone\";\nimport selection_datum from \"./datum\";\nimport selection_on from \"./on\";\nimport selection_dispatch from \"./dispatch\";\n\nexport var root = [null];\n\nexport function Selection(groups, parents) {\n this._groups = groups;\n this._parents = parents;\n}\n\nfunction selection() {\n return new Selection([[document.documentElement]], root);\n}\n\nSelection.prototype = selection.prototype = {\n constructor: Selection,\n select: selection_select,\n selectAll: selection_selectAll,\n filter: selection_filter,\n data: selection_data,\n enter: selection_enter,\n exit: selection_exit,\n join: selection_join,\n merge: selection_merge,\n order: selection_order,\n sort: selection_sort,\n call: selection_call,\n nodes: selection_nodes,\n node: selection_node,\n size: selection_size,\n empty: selection_empty,\n each: selection_each,\n attr: selection_attr,\n style: selection_style,\n property: selection_property,\n classed: selection_classed,\n text: selection_text,\n html: selection_html,\n raise: selection_raise,\n lower: selection_lower,\n append: selection_append,\n insert: selection_insert,\n remove: selection_remove,\n clone: selection_clone,\n datum: selection_datum,\n on: selection_on,\n dispatch: selection_dispatch\n};\n\nexport default selection;\n","import {Selection, root} from \"./selection/index\";\n\nexport default function(selector) {\n return typeof selector === \"string\"\n ? new Selection([[document.querySelector(selector)]], [document.documentElement])\n : new Selection([[selector]], root);\n}\n","import {Selection} from \"./index\";\nimport selector from \"../selector\";\n\nexport default function(select) {\n if (typeof select !== \"function\") select = selector(select);\n\n for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) {\n if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) {\n if (\"__data__\" in node) subnode.__data__ = node.__data__;\n subgroup[i] = subnode;\n }\n }\n }\n\n return new Selection(subgroups, this._parents);\n}\n","import {Selection} from \"./index\";\nimport selectorAll from \"../selectorAll\";\n\nexport default function(select) {\n if (typeof select !== \"function\") select = selectorAll(select);\n\n for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {\n if (node = group[i]) {\n subgroups.push(select.call(node, node.__data__, i, group));\n parents.push(node);\n }\n }\n }\n\n return new Selection(subgroups, parents);\n}\n","import {Selection} from \"./index\";\nimport matcher from \"../matcher\";\n\nexport default function(match) {\n if (typeof match !== \"function\") match = matcher(match);\n\n for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) {\n if ((node = group[i]) && match.call(node, node.__data__, i, group)) {\n subgroup.push(node);\n }\n }\n }\n\n return new Selection(subgroups, this._parents);\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","import sparse from \"./sparse\";\nimport {Selection} from \"./index\";\n\nexport default function() {\n return new Selection(this._exit || this._groups.map(sparse), this._parents);\n}\n","export default function(onenter, onupdate, onexit) {\n var enter = this.enter(), update = this, exit = this.exit();\n enter = typeof onenter === \"function\" ? onenter(enter) : enter.append(onenter + \"\");\n if (onupdate != null) update = onupdate(update);\n if (onexit == null) exit.remove(); else onexit(exit);\n return enter && update ? enter.merge(update).order() : update;\n}\n","import {Selection} from \"./index\";\n\nexport default function(selection) {\n\n for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) {\n for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) {\n if (node = group0[i] || group1[i]) {\n merge[i] = node;\n }\n }\n }\n\n for (; j < m0; ++j) {\n merges[j] = groups0[j];\n }\n\n return new Selection(merges, this._parents);\n}\n","export default function() {\n\n for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) {\n for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) {\n if (node = group[i]) {\n if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next);\n next = node;\n }\n }\n }\n\n return this;\n}\n","export default function() {\n var callback = arguments[0];\n arguments[0] = this;\n callback.apply(null, arguments);\n return this;\n}\n","export default function() {\n var nodes = new Array(this.size()), i = -1;\n this.each(function() { nodes[++i] = this; });\n return nodes;\n}\n","export default function() {\n\n for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {\n for (var group = groups[j], i = 0, n = group.length; i < n; ++i) {\n var node = group[i];\n if (node) return node;\n }\n }\n\n return null;\n}\n","export default function() {\n var size = 0;\n this.each(function() { ++size; });\n return size;\n}\n","export default function() {\n return !this.node();\n}\n","export default function(callback) {\n\n for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {\n for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) {\n if (node = group[i]) callback.call(node, node.__data__, i, group);\n }\n }\n\n return this;\n}\n","import creator from \"../creator\";\n\nexport default function(name) {\n var create = typeof name === \"function\" ? name : creator(name);\n return this.select(function() {\n return this.appendChild(create.apply(this, arguments));\n });\n}\n","export default function(value) {\n return arguments.length\n ? this.property(\"__data__\", value)\n : this.node().__data__;\n}\n","var nextId = 0;\n\nexport default function local() {\n return new Local;\n}\n\nfunction Local() {\n this._ = \"@\" + (++nextId).toString(36);\n}\n\nLocal.prototype = local.prototype = {\n constructor: Local,\n get: function(node) {\n var id = this._;\n while (!(id in node)) if (!(node = node.parentNode)) return;\n return node[id];\n },\n set: function(node, value) {\n return node[this._] = value;\n },\n remove: function(node) {\n return this._ in node && delete node[this._];\n },\n toString: function() {\n return this._;\n }\n};\n","import {event} from \"./selection/on\";\n\nexport default function() {\n var current = event, source;\n while (source = current.sourceEvent) current = source;\n return current;\n}\n","export default function(node, event) {\n var svg = node.ownerSVGElement || node;\n\n if (svg.createSVGPoint) {\n var point = svg.createSVGPoint();\n point.x = event.clientX, point.y = event.clientY;\n point = point.matrixTransform(node.getScreenCTM().inverse());\n return [point.x, point.y];\n }\n\n var rect = node.getBoundingClientRect();\n return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop];\n}\n","import sourceEvent from \"./sourceEvent\";\nimport point from \"./point\";\n\nexport default function(node) {\n var event = sourceEvent();\n if (event.changedTouches) event = event.changedTouches[0];\n return point(node, event);\n}\n","import sourceEvent from \"./sourceEvent\";\nimport point from \"./point\";\n\nexport default function(node, touches, identifier) {\n if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches;\n\n for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) {\n if ((touch = touches[i]).identifier === identifier) {\n return point(node, touch);\n }\n }\n\n return null;\n}\n","import {event} from \"d3-selection\";\n\nexport function nopropagation() {\n event.stopImmediatePropagation();\n}\n\nexport default function() {\n event.preventDefault();\n event.stopImmediatePropagation();\n}\n","import {select} from \"d3-selection\";\nimport noevent from \"./noevent.js\";\n\nexport default function(view) {\n var root = view.document.documentElement,\n selection = select(view).on(\"dragstart.drag\", noevent, true);\n if (\"onselectstart\" in root) {\n selection.on(\"selectstart.drag\", noevent, true);\n } else {\n root.__noselect = root.style.MozUserSelect;\n root.style.MozUserSelect = \"none\";\n }\n}\n\nexport function yesdrag(view, noclick) {\n var root = view.document.documentElement,\n selection = select(view).on(\"dragstart.drag\", null);\n if (noclick) {\n selection.on(\"click.drag\", noevent, true);\n setTimeout(function() { selection.on(\"click.drag\", null); }, 0);\n }\n if (\"onselectstart\" in root) {\n selection.on(\"selectstart.drag\", null);\n } else {\n root.style.MozUserSelect = root.__noselect;\n delete root.__noselect;\n }\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","export default function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) {\n this.target = target;\n this.type = type;\n this.subject = subject;\n this.identifier = id;\n this.active = active;\n this.x = x;\n this.y = y;\n this.dx = dx;\n this.dy = dy;\n this._ = dispatch;\n}\n\nDragEvent.prototype.on = function() {\n var value = this._.on.apply(this._, arguments);\n return value === this._ ? this : value;\n};\n","import {dispatch} from \"d3-dispatch\";\nimport {event, customEvent, select, mouse, touch} from \"d3-selection\";\nimport nodrag, {yesdrag} from \"./nodrag.js\";\nimport noevent, {nopropagation} from \"./noevent.js\";\nimport constant from \"./constant.js\";\nimport DragEvent from \"./event.js\";\n\n// Ignore right-click, since that should open the context menu.\nfunction defaultFilter() {\n return !event.ctrlKey && !event.button;\n}\n\nfunction defaultContainer() {\n return this.parentNode;\n}\n\nfunction defaultSubject(d) {\n return d == null ? {x: event.x, y: event.y} : d;\n}\n\nfunction defaultTouchable() {\n return navigator.maxTouchPoints || (\"ontouchstart\" in this);\n}\n\nexport default function() {\n var filter = defaultFilter,\n container = defaultContainer,\n subject = defaultSubject,\n touchable = defaultTouchable,\n gestures = {},\n listeners = dispatch(\"start\", \"drag\", \"end\"),\n active = 0,\n mousedownx,\n mousedowny,\n mousemoving,\n touchending,\n clickDistance2 = 0;\n\n function drag(selection) {\n selection\n .on(\"mousedown.drag\", mousedowned)\n .filter(touchable)\n .on(\"touchstart.drag\", touchstarted)\n .on(\"touchmove.drag\", touchmoved)\n .on(\"touchend.drag touchcancel.drag\", touchended)\n .style(\"touch-action\", \"none\")\n .style(\"-webkit-tap-highlight-color\", \"rgba(0,0,0,0)\");\n }\n\n function mousedowned() {\n if (touchending || !filter.apply(this, arguments)) return;\n var gesture = beforestart(\"mouse\", container.apply(this, arguments), mouse, this, arguments);\n if (!gesture) return;\n select(event.view).on(\"mousemove.drag\", mousemoved, true).on(\"mouseup.drag\", mouseupped, true);\n nodrag(event.view);\n nopropagation();\n mousemoving = false;\n mousedownx = event.clientX;\n mousedowny = event.clientY;\n gesture(\"start\");\n }\n\n function mousemoved() {\n noevent();\n if (!mousemoving) {\n var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny;\n mousemoving = dx * dx + dy * dy > clickDistance2;\n }\n gestures.mouse(\"drag\");\n }\n\n function mouseupped() {\n select(event.view).on(\"mousemove.drag mouseup.drag\", null);\n yesdrag(event.view, mousemoving);\n noevent();\n gestures.mouse(\"end\");\n }\n\n function touchstarted() {\n if (!filter.apply(this, arguments)) return;\n var touches = event.changedTouches,\n c = container.apply(this, arguments),\n n = touches.length, i, gesture;\n\n for (i = 0; i < n; ++i) {\n if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) {\n nopropagation();\n gesture(\"start\");\n }\n }\n }\n\n function touchmoved() {\n var touches = event.changedTouches,\n n = touches.length, i, gesture;\n\n for (i = 0; i < n; ++i) {\n if (gesture = gestures[touches[i].identifier]) {\n noevent();\n gesture(\"drag\");\n }\n }\n }\n\n function touchended() {\n var touches = event.changedTouches,\n n = touches.length, i, gesture;\n\n if (touchending) clearTimeout(touchending);\n touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!\n for (i = 0; i < n; ++i) {\n if (gesture = gestures[touches[i].identifier]) {\n nopropagation();\n gesture(\"end\");\n }\n }\n }\n\n function beforestart(id, container, point, that, args) {\n var p = point(container, id), s, dx, dy,\n sublisteners = listeners.copy();\n\n if (!customEvent(new DragEvent(drag, \"beforestart\", s, id, active, p[0], p[1], 0, 0, sublisteners), function() {\n if ((event.subject = s = subject.apply(that, args)) == null) return false;\n dx = s.x - p[0] || 0;\n dy = s.y - p[1] || 0;\n return true;\n })) return;\n\n return function gesture(type) {\n var p0 = p, n;\n switch (type) {\n case \"start\": gestures[id] = gesture, n = active++; break;\n case \"end\": delete gestures[id], --active; // nobreak\n case \"drag\": p = point(container, id), n = active; break;\n }\n customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]);\n };\n }\n\n drag.filter = function(_) {\n return arguments.length ? (filter = typeof _ === \"function\" ? _ : constant(!!_), drag) : filter;\n };\n\n drag.container = function(_) {\n return arguments.length ? (container = typeof _ === \"function\" ? _ : constant(_), drag) : container;\n };\n\n drag.subject = function(_) {\n return arguments.length ? (subject = typeof _ === \"function\" ? _ : constant(_), drag) : subject;\n };\n\n drag.touchable = function(_) {\n return arguments.length ? (touchable = typeof _ === \"function\" ? _ : constant(!!_), drag) : touchable;\n };\n\n drag.on = function() {\n var value = listeners.on.apply(listeners, arguments);\n return value === listeners ? drag : value;\n };\n\n drag.clickDistance = function(_) {\n return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2);\n };\n\n return drag;\n}\n","export default function(constructor, factory, prototype) {\n constructor.prototype = factory.prototype = prototype;\n prototype.constructor = constructor;\n}\n\nexport function extend(parent, definition) {\n var prototype = Object.create(parent.prototype);\n for (var key in definition) prototype[key] = definition[key];\n return prototype;\n}\n","import define, {extend} from \"./define.js\";\n\nexport function Color() {}\n\nexport var darker = 0.7;\nexport var brighter = 1 / darker;\n\nvar reI = \"\\\\s*([+-]?\\\\d+)\\\\s*\",\n reN = \"\\\\s*([+-]?\\\\d*\\\\.?\\\\d+(?:[eE][+-]?\\\\d+)?)\\\\s*\",\n reP = \"\\\\s*([+-]?\\\\d*\\\\.?\\\\d+(?:[eE][+-]?\\\\d+)?)%\\\\s*\",\n reHex = /^#([0-9a-f]{3,8})$/,\n reRgbInteger = new RegExp(\"^rgb\\\\(\" + [reI, reI, reI] + \"\\\\)$\"),\n reRgbPercent = new RegExp(\"^rgb\\\\(\" + [reP, reP, reP] + \"\\\\)$\"),\n reRgbaInteger = new RegExp(\"^rgba\\\\(\" + [reI, reI, reI, reN] + \"\\\\)$\"),\n reRgbaPercent = new RegExp(\"^rgba\\\\(\" + [reP, reP, reP, reN] + \"\\\\)$\"),\n reHslPercent = new RegExp(\"^hsl\\\\(\" + [reN, reP, reP] + \"\\\\)$\"),\n reHslaPercent = new RegExp(\"^hsla\\\\(\" + [reN, reP, reP, reN] + \"\\\\)$\");\n\nvar named = {\n aliceblue: 0xf0f8ff,\n antiquewhite: 0xfaebd7,\n aqua: 0x00ffff,\n aquamarine: 0x7fffd4,\n azure: 0xf0ffff,\n beige: 0xf5f5dc,\n bisque: 0xffe4c4,\n black: 0x000000,\n blanchedalmond: 0xffebcd,\n blue: 0x0000ff,\n blueviolet: 0x8a2be2,\n brown: 0xa52a2a,\n burlywood: 0xdeb887,\n cadetblue: 0x5f9ea0,\n chartreuse: 0x7fff00,\n chocolate: 0xd2691e,\n coral: 0xff7f50,\n cornflowerblue: 0x6495ed,\n cornsilk: 0xfff8dc,\n crimson: 0xdc143c,\n cyan: 0x00ffff,\n darkblue: 0x00008b,\n darkcyan: 0x008b8b,\n darkgoldenrod: 0xb8860b,\n darkgray: 0xa9a9a9,\n darkgreen: 0x006400,\n darkgrey: 0xa9a9a9,\n darkkhaki: 0xbdb76b,\n darkmagenta: 0x8b008b,\n darkolivegreen: 0x556b2f,\n darkorange: 0xff8c00,\n darkorchid: 0x9932cc,\n darkred: 0x8b0000,\n darksalmon: 0xe9967a,\n darkseagreen: 0x8fbc8f,\n darkslateblue: 0x483d8b,\n darkslategray: 0x2f4f4f,\n darkslategrey: 0x2f4f4f,\n darkturquoise: 0x00ced1,\n darkviolet: 0x9400d3,\n deeppink: 0xff1493,\n deepskyblue: 0x00bfff,\n dimgray: 0x696969,\n dimgrey: 0x696969,\n dodgerblue: 0x1e90ff,\n firebrick: 0xb22222,\n floralwhite: 0xfffaf0,\n forestgreen: 0x228b22,\n fuchsia: 0xff00ff,\n gainsboro: 0xdcdcdc,\n ghostwhite: 0xf8f8ff,\n gold: 0xffd700,\n goldenrod: 0xdaa520,\n gray: 0x808080,\n green: 0x008000,\n greenyellow: 0xadff2f,\n grey: 0x808080,\n honeydew: 0xf0fff0,\n hotpink: 0xff69b4,\n indianred: 0xcd5c5c,\n indigo: 0x4b0082,\n ivory: 0xfffff0,\n khaki: 0xf0e68c,\n lavender: 0xe6e6fa,\n lavenderblush: 0xfff0f5,\n lawngreen: 0x7cfc00,\n lemonchiffon: 0xfffacd,\n lightblue: 0xadd8e6,\n lightcoral: 0xf08080,\n lightcyan: 0xe0ffff,\n lightgoldenrodyellow: 0xfafad2,\n lightgray: 0xd3d3d3,\n lightgreen: 0x90ee90,\n lightgrey: 0xd3d3d3,\n lightpink: 0xffb6c1,\n lightsalmon: 0xffa07a,\n lightseagreen: 0x20b2aa,\n lightskyblue: 0x87cefa,\n lightslategray: 0x778899,\n lightslategrey: 0x778899,\n lightsteelblue: 0xb0c4de,\n lightyellow: 0xffffe0,\n lime: 0x00ff00,\n limegreen: 0x32cd32,\n linen: 0xfaf0e6,\n magenta: 0xff00ff,\n maroon: 0x800000,\n mediumaquamarine: 0x66cdaa,\n mediumblue: 0x0000cd,\n mediumorchid: 0xba55d3,\n mediumpurple: 0x9370db,\n mediumseagreen: 0x3cb371,\n mediumslateblue: 0x7b68ee,\n mediumspringgreen: 0x00fa9a,\n mediumturquoise: 0x48d1cc,\n mediumvioletred: 0xc71585,\n midnightblue: 0x191970,\n mintcream: 0xf5fffa,\n mistyrose: 0xffe4e1,\n moccasin: 0xffe4b5,\n navajowhite: 0xffdead,\n navy: 0x000080,\n oldlace: 0xfdf5e6,\n olive: 0x808000,\n olivedrab: 0x6b8e23,\n orange: 0xffa500,\n orangered: 0xff4500,\n orchid: 0xda70d6,\n palegoldenrod: 0xeee8aa,\n palegreen: 0x98fb98,\n paleturquoise: 0xafeeee,\n palevioletred: 0xdb7093,\n papayawhip: 0xffefd5,\n peachpuff: 0xffdab9,\n peru: 0xcd853f,\n pink: 0xffc0cb,\n plum: 0xdda0dd,\n powderblue: 0xb0e0e6,\n purple: 0x800080,\n rebeccapurple: 0x663399,\n red: 0xff0000,\n rosybrown: 0xbc8f8f,\n royalblue: 0x4169e1,\n saddlebrown: 0x8b4513,\n salmon: 0xfa8072,\n sandybrown: 0xf4a460,\n seagreen: 0x2e8b57,\n seashell: 0xfff5ee,\n sienna: 0xa0522d,\n silver: 0xc0c0c0,\n skyblue: 0x87ceeb,\n slateblue: 0x6a5acd,\n slategray: 0x708090,\n slategrey: 0x708090,\n snow: 0xfffafa,\n springgreen: 0x00ff7f,\n steelblue: 0x4682b4,\n tan: 0xd2b48c,\n teal: 0x008080,\n thistle: 0xd8bfd8,\n tomato: 0xff6347,\n turquoise: 0x40e0d0,\n violet: 0xee82ee,\n wheat: 0xf5deb3,\n white: 0xffffff,\n whitesmoke: 0xf5f5f5,\n yellow: 0xffff00,\n yellowgreen: 0x9acd32\n};\n\ndefine(Color, color, {\n copy: function(channels) {\n return Object.assign(new this.constructor, this, channels);\n },\n displayable: function() {\n return this.rgb().displayable();\n },\n hex: color_formatHex, // Deprecated! Use color.formatHex.\n formatHex: color_formatHex,\n formatHsl: color_formatHsl,\n formatRgb: color_formatRgb,\n toString: color_formatRgb\n});\n\nfunction color_formatHex() {\n return this.rgb().formatHex();\n}\n\nfunction color_formatHsl() {\n return hslConvert(this).formatHsl();\n}\n\nfunction color_formatRgb() {\n return this.rgb().formatRgb();\n}\n\nexport default function color(format) {\n var m, l;\n format = (format + \"\").trim().toLowerCase();\n return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000\n : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00\n : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000\n : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000\n : null) // invalid hex\n : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0)\n : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%)\n : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1)\n : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1)\n : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%)\n : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1)\n : named.hasOwnProperty(format) ? rgbn(named[format]) // eslint-disable-line no-prototype-builtins\n : format === \"transparent\" ? new Rgb(NaN, NaN, NaN, 0)\n : null;\n}\n\nfunction rgbn(n) {\n return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1);\n}\n\nfunction rgba(r, g, b, a) {\n if (a <= 0) r = g = b = NaN;\n return new Rgb(r, g, b, a);\n}\n\nexport function rgbConvert(o) {\n if (!(o instanceof Color)) o = color(o);\n if (!o) return new Rgb;\n o = o.rgb();\n return new Rgb(o.r, o.g, o.b, o.opacity);\n}\n\nexport function rgb(r, g, b, opacity) {\n return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity);\n}\n\nexport function Rgb(r, g, b, opacity) {\n this.r = +r;\n this.g = +g;\n this.b = +b;\n this.opacity = +opacity;\n}\n\ndefine(Rgb, rgb, extend(Color, {\n brighter: function(k) {\n k = k == null ? brighter : Math.pow(brighter, k);\n return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);\n },\n darker: function(k) {\n k = k == null ? darker : Math.pow(darker, k);\n return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);\n },\n rgb: function() {\n return this;\n },\n displayable: function() {\n return (-0.5 <= this.r && this.r < 255.5)\n && (-0.5 <= this.g && this.g < 255.5)\n && (-0.5 <= this.b && this.b < 255.5)\n && (0 <= this.opacity && this.opacity <= 1);\n },\n hex: rgb_formatHex, // Deprecated! Use color.formatHex.\n formatHex: rgb_formatHex,\n formatRgb: rgb_formatRgb,\n toString: rgb_formatRgb\n}));\n\nfunction rgb_formatHex() {\n return \"#\" + hex(this.r) + hex(this.g) + hex(this.b);\n}\n\nfunction rgb_formatRgb() {\n var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a));\n return (a === 1 ? \"rgb(\" : \"rgba(\")\n + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + \", \"\n + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + \", \"\n + Math.max(0, Math.min(255, Math.round(this.b) || 0))\n + (a === 1 ? \")\" : \", \" + a + \")\");\n}\n\nfunction hex(value) {\n value = Math.max(0, Math.min(255, Math.round(value) || 0));\n return (value < 16 ? \"0\" : \"\") + value.toString(16);\n}\n\nfunction hsla(h, s, l, a) {\n if (a <= 0) h = s = l = NaN;\n else if (l <= 0 || l >= 1) h = s = NaN;\n else if (s <= 0) h = NaN;\n return new Hsl(h, s, l, a);\n}\n\nexport function hslConvert(o) {\n if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity);\n if (!(o instanceof Color)) o = color(o);\n if (!o) return new Hsl;\n if (o instanceof Hsl) return o;\n o = o.rgb();\n var r = o.r / 255,\n g = o.g / 255,\n b = o.b / 255,\n min = Math.min(r, g, b),\n max = Math.max(r, g, b),\n h = NaN,\n s = max - min,\n l = (max + min) / 2;\n if (s) {\n if (r === max) h = (g - b) / s + (g < b) * 6;\n else if (g === max) h = (b - r) / s + 2;\n else h = (r - g) / s + 4;\n s /= l < 0.5 ? max + min : 2 - max - min;\n h *= 60;\n } else {\n s = l > 0 && l < 1 ? 0 : h;\n }\n return new Hsl(h, s, l, o.opacity);\n}\n\nexport function hsl(h, s, l, opacity) {\n return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity);\n}\n\nfunction Hsl(h, s, l, opacity) {\n this.h = +h;\n this.s = +s;\n this.l = +l;\n this.opacity = +opacity;\n}\n\ndefine(Hsl, hsl, extend(Color, {\n brighter: function(k) {\n k = k == null ? brighter : Math.pow(brighter, k);\n return new Hsl(this.h, this.s, this.l * k, this.opacity);\n },\n darker: function(k) {\n k = k == null ? darker : Math.pow(darker, k);\n return new Hsl(this.h, this.s, this.l * k, this.opacity);\n },\n rgb: function() {\n var h = this.h % 360 + (this.h < 0) * 360,\n s = isNaN(h) || isNaN(this.s) ? 0 : this.s,\n l = this.l,\n m2 = l + (l < 0.5 ? l : 1 - l) * s,\n m1 = 2 * l - m2;\n return new Rgb(\n hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2),\n hsl2rgb(h, m1, m2),\n hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2),\n this.opacity\n );\n },\n displayable: function() {\n return (0 <= this.s && this.s <= 1 || isNaN(this.s))\n && (0 <= this.l && this.l <= 1)\n && (0 <= this.opacity && this.opacity <= 1);\n },\n formatHsl: function() {\n var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a));\n return (a === 1 ? \"hsl(\" : \"hsla(\")\n + (this.h || 0) + \", \"\n + (this.s || 0) * 100 + \"%, \"\n + (this.l || 0) * 100 + \"%\"\n + (a === 1 ? \")\" : \", \" + a + \")\");\n }\n}));\n\n/* From FvD 13.37, CSS Color Module Level 3 */\nfunction hsl2rgb(h, m1, m2) {\n return (h < 60 ? m1 + (m2 - m1) * h / 60\n : h < 180 ? m2\n : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60\n : m1) * 255;\n}\n","export var deg2rad = Math.PI / 180;\nexport var rad2deg = 180 / Math.PI;\n","import define, {extend} from \"./define.js\";\nimport {Color, rgbConvert, Rgb} from \"./color.js\";\nimport {deg2rad, rad2deg} from \"./math.js\";\n\n// https://observablehq.com/@mbostock/lab-and-rgb\nvar K = 18,\n Xn = 0.96422,\n Yn = 1,\n Zn = 0.82521,\n t0 = 4 / 29,\n t1 = 6 / 29,\n t2 = 3 * t1 * t1,\n t3 = t1 * t1 * t1;\n\nfunction labConvert(o) {\n if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity);\n if (o instanceof Hcl) return hcl2lab(o);\n if (!(o instanceof Rgb)) o = rgbConvert(o);\n var r = rgb2lrgb(o.r),\n g = rgb2lrgb(o.g),\n b = rgb2lrgb(o.b),\n y = xyz2lab((0.2225045 * r + 0.7168786 * g + 0.0606169 * b) / Yn), x, z;\n if (r === g && g === b) x = z = y; else {\n x = xyz2lab((0.4360747 * r + 0.3850649 * g + 0.1430804 * b) / Xn);\n z = xyz2lab((0.0139322 * r + 0.0971045 * g + 0.7141733 * b) / Zn);\n }\n return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity);\n}\n\nexport function gray(l, opacity) {\n return new Lab(l, 0, 0, opacity == null ? 1 : opacity);\n}\n\nexport default function lab(l, a, b, opacity) {\n return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity);\n}\n\nexport function Lab(l, a, b, opacity) {\n this.l = +l;\n this.a = +a;\n this.b = +b;\n this.opacity = +opacity;\n}\n\ndefine(Lab, lab, extend(Color, {\n brighter: function(k) {\n return new Lab(this.l + K * (k == null ? 1 : k), this.a, this.b, this.opacity);\n },\n darker: function(k) {\n return new Lab(this.l - K * (k == null ? 1 : k), this.a, this.b, this.opacity);\n },\n rgb: function() {\n var y = (this.l + 16) / 116,\n x = isNaN(this.a) ? y : y + this.a / 500,\n z = isNaN(this.b) ? y : y - this.b / 200;\n x = Xn * lab2xyz(x);\n y = Yn * lab2xyz(y);\n z = Zn * lab2xyz(z);\n return new Rgb(\n lrgb2rgb( 3.1338561 * x - 1.6168667 * y - 0.4906146 * z),\n lrgb2rgb(-0.9787684 * x + 1.9161415 * y + 0.0334540 * z),\n lrgb2rgb( 0.0719453 * x - 0.2289914 * y + 1.4052427 * z),\n this.opacity\n );\n }\n}));\n\nfunction xyz2lab(t) {\n return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0;\n}\n\nfunction lab2xyz(t) {\n return t > t1 ? t * t * t : t2 * (t - t0);\n}\n\nfunction lrgb2rgb(x) {\n return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055);\n}\n\nfunction rgb2lrgb(x) {\n return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4);\n}\n\nfunction hclConvert(o) {\n if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity);\n if (!(o instanceof Lab)) o = labConvert(o);\n if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0 < o.l && o.l < 100 ? 0 : NaN, o.l, o.opacity);\n var h = Math.atan2(o.b, o.a) * rad2deg;\n return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity);\n}\n\nexport function lch(l, c, h, opacity) {\n return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : opacity);\n}\n\nexport function hcl(h, c, l, opacity) {\n return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity);\n}\n\nexport function Hcl(h, c, l, opacity) {\n this.h = +h;\n this.c = +c;\n this.l = +l;\n this.opacity = +opacity;\n}\n\nfunction hcl2lab(o) {\n if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity);\n var h = o.h * deg2rad;\n return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity);\n}\n\ndefine(Hcl, hcl, extend(Color, {\n brighter: function(k) {\n return new Hcl(this.h, this.c, this.l + K * (k == null ? 1 : k), this.opacity);\n },\n darker: function(k) {\n return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity);\n },\n rgb: function() {\n return hcl2lab(this).rgb();\n }\n}));\n","import define, {extend} from \"./define.js\";\nimport {Color, rgbConvert, Rgb, darker, brighter} from \"./color.js\";\nimport {deg2rad, rad2deg} from \"./math.js\";\n\nvar A = -0.14861,\n B = +1.78277,\n C = -0.29227,\n D = -0.90649,\n E = +1.97294,\n ED = E * D,\n EB = E * B,\n BC_DA = B * C - D * A;\n\nfunction cubehelixConvert(o) {\n if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity);\n if (!(o instanceof Rgb)) o = rgbConvert(o);\n var r = o.r / 255,\n g = o.g / 255,\n b = o.b / 255,\n l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB),\n bl = b - l,\n k = (E * (g - l) - C * bl) / D,\n s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1\n h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN;\n return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity);\n}\n\nexport default function cubehelix(h, s, l, opacity) {\n return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity);\n}\n\nexport function Cubehelix(h, s, l, opacity) {\n this.h = +h;\n this.s = +s;\n this.l = +l;\n this.opacity = +opacity;\n}\n\ndefine(Cubehelix, cubehelix, extend(Color, {\n brighter: function(k) {\n k = k == null ? brighter : Math.pow(brighter, k);\n return new Cubehelix(this.h, this.s, this.l * k, this.opacity);\n },\n darker: function(k) {\n k = k == null ? darker : Math.pow(darker, k);\n return new Cubehelix(this.h, this.s, this.l * k, this.opacity);\n },\n rgb: function() {\n var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad,\n l = +this.l,\n a = isNaN(this.s) ? 0 : this.s * l * (1 - l),\n cosh = Math.cos(h),\n sinh = Math.sin(h);\n return new Rgb(\n 255 * (l + a * (A * cosh + B * sinh)),\n 255 * (l + a * (C * cosh + D * sinh)),\n 255 * (l + a * (E * cosh)),\n this.opacity\n );\n }\n}));\n","export function basis(t1, v0, v1, v2, v3) {\n var t2 = t1 * t1, t3 = t2 * t1;\n return ((1 - 3 * t1 + 3 * t2 - t3) * v0\n + (4 - 6 * t2 + 3 * t3) * v1\n + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2\n + t3 * v3) / 6;\n}\n\nexport default function(values) {\n var n = values.length - 1;\n return function(t) {\n var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n),\n v1 = values[i],\n v2 = values[i + 1],\n v0 = i > 0 ? values[i - 1] : 2 * v1 - v2,\n v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1;\n return basis((t - i / n) * n, v0, v1, v2, v3);\n };\n}\n","import {basis} from \"./basis.js\";\n\nexport default function(values) {\n var n = values.length;\n return function(t) {\n var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n),\n v0 = values[(i + n - 1) % n],\n v1 = values[i % n],\n v2 = values[(i + 1) % n],\n v3 = values[(i + 2) % n];\n return basis((t - i / n) * n, v0, v1, v2, v3);\n };\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","import constant from \"./constant.js\";\n\nfunction linear(a, d) {\n return function(t) {\n return a + t * d;\n };\n}\n\nfunction exponential(a, b, y) {\n return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) {\n return Math.pow(a + t * b, y);\n };\n}\n\nexport function hue(a, b) {\n var d = b - a;\n return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant(isNaN(a) ? b : a);\n}\n\nexport function gamma(y) {\n return (y = +y) === 1 ? nogamma : function(a, b) {\n return b - a ? exponential(a, b, y) : constant(isNaN(a) ? b : a);\n };\n}\n\nexport default function nogamma(a, b) {\n var d = b - a;\n return d ? linear(a, d) : constant(isNaN(a) ? b : a);\n}\n","import {rgb as colorRgb} from \"d3-color\";\nimport basis from \"./basis.js\";\nimport basisClosed from \"./basisClosed.js\";\nimport nogamma, {gamma} from \"./color.js\";\n\nexport default (function rgbGamma(y) {\n var color = gamma(y);\n\n function rgb(start, end) {\n var r = color((start = colorRgb(start)).r, (end = colorRgb(end)).r),\n g = color(start.g, end.g),\n b = color(start.b, end.b),\n opacity = nogamma(start.opacity, end.opacity);\n return function(t) {\n start.r = r(t);\n start.g = g(t);\n start.b = b(t);\n start.opacity = opacity(t);\n return start + \"\";\n };\n }\n\n rgb.gamma = rgbGamma;\n\n return rgb;\n})(1);\n\nfunction rgbSpline(spline) {\n return function(colors) {\n var n = colors.length,\n r = new Array(n),\n g = new Array(n),\n b = new Array(n),\n i, color;\n for (i = 0; i < n; ++i) {\n color = colorRgb(colors[i]);\n r[i] = color.r || 0;\n g[i] = color.g || 0;\n b[i] = color.b || 0;\n }\n r = spline(r);\n g = spline(g);\n b = spline(b);\n color.opacity = 1;\n return function(t) {\n color.r = r(t);\n color.g = g(t);\n color.b = b(t);\n return color + \"\";\n };\n };\n}\n\nexport var rgbBasis = rgbSpline(basis);\nexport var rgbBasisClosed = rgbSpline(basisClosed);\n","export default function(a, b) {\n if (!b) b = [];\n var n = a ? Math.min(b.length, a.length) : 0,\n c = b.slice(),\n i;\n return function(t) {\n for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t;\n return c;\n };\n}\n\nexport function isNumberArray(x) {\n return ArrayBuffer.isView(x) && !(x instanceof DataView);\n}\n","import value from \"./value.js\";\nimport numberArray, {isNumberArray} from \"./numberArray.js\";\n\nexport default function(a, b) {\n return (isNumberArray(b) ? numberArray : genericArray)(a, b);\n}\n\nexport function genericArray(a, b) {\n var nb = b ? b.length : 0,\n na = a ? Math.min(nb, a.length) : 0,\n x = new Array(na),\n c = new Array(nb),\n i;\n\n for (i = 0; i < na; ++i) x[i] = value(a[i], b[i]);\n for (; i < nb; ++i) c[i] = b[i];\n\n return function(t) {\n for (i = 0; i < na; ++i) c[i] = x[i](t);\n return c;\n };\n}\n","export default function(a, b) {\n var d = new Date;\n return a = +a, b = +b, function(t) {\n return d.setTime(a * (1 - t) + b * t), d;\n };\n}\n","export default function(a, b) {\n return a = +a, b = +b, function(t) {\n return a * (1 - t) + b * t;\n };\n}\n","import value from \"./value.js\";\n\nexport default function(a, b) {\n var i = {},\n c = {},\n k;\n\n if (a === null || typeof a !== \"object\") a = {};\n if (b === null || typeof b !== \"object\") b = {};\n\n for (k in b) {\n if (k in a) {\n i[k] = value(a[k], b[k]);\n } else {\n c[k] = b[k];\n }\n }\n\n return function(t) {\n for (k in i) c[k] = i[k](t);\n return c;\n };\n}\n","import number from \"./number.js\";\n\nvar reA = /[-+]?(?:\\d+\\.?\\d*|\\.?\\d+)(?:[eE][-+]?\\d+)?/g,\n reB = new RegExp(reA.source, \"g\");\n\nfunction zero(b) {\n return function() {\n return b;\n };\n}\n\nfunction one(b) {\n return function(t) {\n return b(t) + \"\";\n };\n}\n\nexport default function(a, b) {\n var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b\n am, // current match in a\n bm, // current match in b\n bs, // string preceding current number in b, if any\n i = -1, // index in s\n s = [], // string constants and placeholders\n q = []; // number interpolators\n\n // Coerce inputs to strings.\n a = a + \"\", b = b + \"\";\n\n // Interpolate pairs of numbers in a & b.\n while ((am = reA.exec(a))\n && (bm = reB.exec(b))) {\n if ((bs = bm.index) > bi) { // a string precedes the next number in b\n bs = b.slice(bi, bs);\n if (s[i]) s[i] += bs; // coalesce with previous string\n else s[++i] = bs;\n }\n if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match\n if (s[i]) s[i] += bm; // coalesce with previous string\n else s[++i] = bm;\n } else { // interpolate non-matching numbers\n s[++i] = null;\n q.push({i: i, x: number(am, bm)});\n }\n bi = reB.lastIndex;\n }\n\n // Add remains of b.\n if (bi < b.length) {\n bs = b.slice(bi);\n if (s[i]) s[i] += bs; // coalesce with previous string\n else s[++i] = bs;\n }\n\n // Special optimization for only a single match.\n // Otherwise, interpolate each of the numbers and rejoin the string.\n return s.length < 2 ? (q[0]\n ? one(q[0].x)\n : zero(b))\n : (b = q.length, function(t) {\n for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);\n return s.join(\"\");\n });\n}\n","import {color} from \"d3-color\";\nimport rgb from \"./rgb.js\";\nimport {genericArray} from \"./array.js\";\nimport date from \"./date.js\";\nimport number from \"./number.js\";\nimport object from \"./object.js\";\nimport string from \"./string.js\";\nimport constant from \"./constant.js\";\nimport numberArray, {isNumberArray} from \"./numberArray.js\";\n\nexport default function(a, b) {\n var t = typeof b, c;\n return b == null || t === \"boolean\" ? constant(b)\n : (t === \"number\" ? number\n : t === \"string\" ? ((c = color(b)) ? (b = c, rgb) : string)\n : b instanceof color ? rgb\n : b instanceof Date ? date\n : isNumberArray(b) ? numberArray\n : Array.isArray(b) ? genericArray\n : typeof b.valueOf !== \"function\" && typeof b.toString !== \"function\" || isNaN(b) ? object\n : number)(a, b);\n}\n","export default function(a, b) {\n return a = +a, b = +b, function(t) {\n return Math.round(a * (1 - t) + b * t);\n };\n}\n","var degrees = 180 / Math.PI;\n\nexport var identity = {\n translateX: 0,\n translateY: 0,\n rotate: 0,\n skewX: 0,\n scaleX: 1,\n scaleY: 1\n};\n\nexport default function(a, b, c, d, e, f) {\n var scaleX, scaleY, skewX;\n if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX;\n if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX;\n if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY;\n if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX;\n return {\n translateX: e,\n translateY: f,\n rotate: Math.atan2(b, a) * degrees,\n skewX: Math.atan(skewX) * degrees,\n scaleX: scaleX,\n scaleY: scaleY\n };\n}\n","import decompose, {identity} from \"./decompose.js\";\n\nvar cssNode,\n cssRoot,\n cssView,\n svgNode;\n\nexport function parseCss(value) {\n if (value === \"none\") return identity;\n if (!cssNode) cssNode = document.createElement(\"DIV\"), cssRoot = document.documentElement, cssView = document.defaultView;\n cssNode.style.transform = value;\n value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue(\"transform\");\n cssRoot.removeChild(cssNode);\n value = value.slice(7, -1).split(\",\");\n return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]);\n}\n\nexport function parseSvg(value) {\n if (value == null) return identity;\n if (!svgNode) svgNode = document.createElementNS(\"http://www.w3.org/2000/svg\", \"g\");\n svgNode.setAttribute(\"transform\", value);\n if (!(value = svgNode.transform.baseVal.consolidate())) return identity;\n value = value.matrix;\n return decompose(value.a, value.b, value.c, value.d, value.e, value.f);\n}\n","import number from \"../number.js\";\nimport {parseCss, parseSvg} from \"./parse.js\";\n\nfunction interpolateTransform(parse, pxComma, pxParen, degParen) {\n\n function pop(s) {\n return s.length ? s.pop() + \" \" : \"\";\n }\n\n function translate(xa, ya, xb, yb, s, q) {\n if (xa !== xb || ya !== yb) {\n var i = s.push(\"translate(\", null, pxComma, null, pxParen);\n q.push({i: i - 4, x: number(xa, xb)}, {i: i - 2, x: number(ya, yb)});\n } else if (xb || yb) {\n s.push(\"translate(\" + xb + pxComma + yb + pxParen);\n }\n }\n\n function rotate(a, b, s, q) {\n if (a !== b) {\n if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path\n q.push({i: s.push(pop(s) + \"rotate(\", null, degParen) - 2, x: number(a, b)});\n } else if (b) {\n s.push(pop(s) + \"rotate(\" + b + degParen);\n }\n }\n\n function skewX(a, b, s, q) {\n if (a !== b) {\n q.push({i: s.push(pop(s) + \"skewX(\", null, degParen) - 2, x: number(a, b)});\n } else if (b) {\n s.push(pop(s) + \"skewX(\" + b + degParen);\n }\n }\n\n function scale(xa, ya, xb, yb, s, q) {\n if (xa !== xb || ya !== yb) {\n var i = s.push(pop(s) + \"scale(\", null, \",\", null, \")\");\n q.push({i: i - 4, x: number(xa, xb)}, {i: i - 2, x: number(ya, yb)});\n } else if (xb !== 1 || yb !== 1) {\n s.push(pop(s) + \"scale(\" + xb + \",\" + yb + \")\");\n }\n }\n\n return function(a, b) {\n var s = [], // string constants and placeholders\n q = []; // number interpolators\n a = parse(a), b = parse(b);\n translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q);\n rotate(a.rotate, b.rotate, s, q);\n skewX(a.skewX, b.skewX, s, q);\n scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q);\n a = b = null; // gc\n return function(t) {\n var i = -1, n = q.length, o;\n while (++i < n) s[(o = q[i]).i] = o.x(t);\n return s.join(\"\");\n };\n };\n}\n\nexport var interpolateTransformCss = interpolateTransform(parseCss, \"px, \", \"px)\", \"deg)\");\nexport var interpolateTransformSvg = interpolateTransform(parseSvg, \", \", \")\", \")\");\n","var rho = Math.SQRT2,\n rho2 = 2,\n rho4 = 4,\n epsilon2 = 1e-12;\n\nfunction cosh(x) {\n return ((x = Math.exp(x)) + 1 / x) / 2;\n}\n\nfunction sinh(x) {\n return ((x = Math.exp(x)) - 1 / x) / 2;\n}\n\nfunction tanh(x) {\n return ((x = Math.exp(2 * x)) - 1) / (x + 1);\n}\n\n// p0 = [ux0, uy0, w0]\n// p1 = [ux1, uy1, w1]\nexport default function(p0, p1) {\n var ux0 = p0[0], uy0 = p0[1], w0 = p0[2],\n ux1 = p1[0], uy1 = p1[1], w1 = p1[2],\n dx = ux1 - ux0,\n dy = uy1 - uy0,\n d2 = dx * dx + dy * dy,\n i,\n S;\n\n // Special case for u0 ≅ u1.\n if (d2 < epsilon2) {\n S = Math.log(w1 / w0) / rho;\n i = function(t) {\n return [\n ux0 + t * dx,\n uy0 + t * dy,\n w0 * Math.exp(rho * t * S)\n ];\n }\n }\n\n // General case.\n else {\n var d1 = Math.sqrt(d2),\n b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1),\n b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1),\n r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0),\n r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1);\n S = (r1 - r0) / rho;\n i = function(t) {\n var s = t * S,\n coshr0 = cosh(r0),\n u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0));\n return [\n ux0 + u * dx,\n uy0 + u * dy,\n w0 * coshr0 / cosh(rho * s + r0)\n ];\n }\n }\n\n i.duration = S * 1000;\n\n return i;\n}\n","import {hsl as colorHsl} from \"d3-color\";\nimport color, {hue} from \"./color.js\";\n\nfunction hsl(hue) {\n return function(start, end) {\n var h = hue((start = colorHsl(start)).h, (end = colorHsl(end)).h),\n s = color(start.s, end.s),\n l = color(start.l, end.l),\n opacity = color(start.opacity, end.opacity);\n return function(t) {\n start.h = h(t);\n start.s = s(t);\n start.l = l(t);\n start.opacity = opacity(t);\n return start + \"\";\n };\n }\n}\n\nexport default hsl(hue);\nexport var hslLong = hsl(color);\n","import {hcl as colorHcl} from \"d3-color\";\nimport color, {hue} from \"./color.js\";\n\nfunction hcl(hue) {\n return function(start, end) {\n var h = hue((start = colorHcl(start)).h, (end = colorHcl(end)).h),\n c = color(start.c, end.c),\n l = color(start.l, end.l),\n opacity = color(start.opacity, end.opacity);\n return function(t) {\n start.h = h(t);\n start.c = c(t);\n start.l = l(t);\n start.opacity = opacity(t);\n return start + \"\";\n };\n }\n}\n\nexport default hcl(hue);\nexport var hclLong = hcl(color);\n","import {cubehelix as colorCubehelix} from \"d3-color\";\nimport color, {hue} from \"./color.js\";\n\nfunction cubehelix(hue) {\n return (function cubehelixGamma(y) {\n y = +y;\n\n function cubehelix(start, end) {\n var h = hue((start = colorCubehelix(start)).h, (end = colorCubehelix(end)).h),\n s = color(start.s, end.s),\n l = color(start.l, end.l),\n opacity = color(start.opacity, end.opacity);\n return function(t) {\n start.h = h(t);\n start.s = s(t);\n start.l = l(Math.pow(t, y));\n start.opacity = opacity(t);\n return start + \"\";\n };\n }\n\n cubehelix.gamma = cubehelixGamma;\n\n return cubehelix;\n })(1);\n}\n\nexport default cubehelix(hue);\nexport var cubehelixLong = cubehelix(color);\n","var frame = 0, // is an animation frame pending?\n timeout = 0, // is a timeout pending?\n interval = 0, // are any timers active?\n pokeDelay = 1000, // how frequently we check for clock skew\n taskHead,\n taskTail,\n clockLast = 0,\n clockNow = 0,\n clockSkew = 0,\n clock = typeof performance === \"object\" && performance.now ? performance : Date,\n setFrame = typeof window === \"object\" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); };\n\nexport function now() {\n return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew);\n}\n\nfunction clearNow() {\n clockNow = 0;\n}\n\nexport function Timer() {\n this._call =\n this._time =\n this._next = null;\n}\n\nTimer.prototype = timer.prototype = {\n constructor: Timer,\n restart: function(callback, delay, time) {\n if (typeof callback !== \"function\") throw new TypeError(\"callback is not a function\");\n time = (time == null ? now() : +time) + (delay == null ? 0 : +delay);\n if (!this._next && taskTail !== this) {\n if (taskTail) taskTail._next = this;\n else taskHead = this;\n taskTail = this;\n }\n this._call = callback;\n this._time = time;\n sleep();\n },\n stop: function() {\n if (this._call) {\n this._call = null;\n this._time = Infinity;\n sleep();\n }\n }\n};\n\nexport function timer(callback, delay, time) {\n var t = new Timer;\n t.restart(callback, delay, time);\n return t;\n}\n\nexport function timerFlush() {\n now(); // Get the current time, if not already set.\n ++frame; // Pretend we’ve set an alarm, if we haven’t already.\n var t = taskHead, e;\n while (t) {\n if ((e = clockNow - t._time) >= 0) t._call.call(null, e);\n t = t._next;\n }\n --frame;\n}\n\nfunction wake() {\n clockNow = (clockLast = clock.now()) + clockSkew;\n frame = timeout = 0;\n try {\n timerFlush();\n } finally {\n frame = 0;\n nap();\n clockNow = 0;\n }\n}\n\nfunction poke() {\n var now = clock.now(), delay = now - clockLast;\n if (delay > pokeDelay) clockSkew -= delay, clockLast = now;\n}\n\nfunction nap() {\n var t0, t1 = taskHead, t2, time = Infinity;\n while (t1) {\n if (t1._call) {\n if (time > t1._time) time = t1._time;\n t0 = t1, t1 = t1._next;\n } else {\n t2 = t1._next, t1._next = null;\n t1 = t0 ? t0._next = t2 : taskHead = t2;\n }\n }\n taskTail = t0;\n sleep(time);\n}\n\nfunction sleep(time) {\n if (frame) return; // Soonest alarm already set, or will be.\n if (timeout) timeout = clearTimeout(timeout);\n var delay = time - clockNow; // Strictly less than if we recomputed clockNow.\n if (delay > 24) {\n if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew);\n if (interval) interval = clearInterval(interval);\n } else {\n if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay);\n frame = 1, setFrame(wake);\n }\n}\n","import {Timer} from \"./timer.js\";\n\nexport default function(callback, delay, time) {\n var t = new Timer;\n delay = delay == null ? 0 : +delay;\n t.restart(function(elapsed) {\n t.stop();\n callback(elapsed + delay);\n }, delay, time);\n return t;\n}\n","import {dispatch} from \"d3-dispatch\";\nimport {timer, timeout} from \"d3-timer\";\n\nvar emptyOn = dispatch(\"start\", \"end\", \"cancel\", \"interrupt\");\nvar emptyTween = [];\n\nexport var CREATED = 0;\nexport var SCHEDULED = 1;\nexport var STARTING = 2;\nexport var STARTED = 3;\nexport var RUNNING = 4;\nexport var ENDING = 5;\nexport var ENDED = 6;\n\nexport default function(node, name, id, index, group, timing) {\n var schedules = node.__transition;\n if (!schedules) node.__transition = {};\n else if (id in schedules) return;\n create(node, id, {\n name: name,\n index: index, // For context during callback.\n group: group, // For context during callback.\n on: emptyOn,\n tween: emptyTween,\n time: timing.time,\n delay: timing.delay,\n duration: timing.duration,\n ease: timing.ease,\n timer: null,\n state: CREATED\n });\n}\n\nexport function init(node, id) {\n var schedule = get(node, id);\n if (schedule.state > CREATED) throw new Error(\"too late; already scheduled\");\n return schedule;\n}\n\nexport function set(node, id) {\n var schedule = get(node, id);\n if (schedule.state > STARTED) throw new Error(\"too late; already running\");\n return schedule;\n}\n\nexport function get(node, id) {\n var schedule = node.__transition;\n if (!schedule || !(schedule = schedule[id])) throw new Error(\"transition not found\");\n return schedule;\n}\n\nfunction create(node, id, self) {\n var schedules = node.__transition,\n tween;\n\n // Initialize the self timer when the transition is created.\n // Note the actual delay is not known until the first callback!\n schedules[id] = self;\n self.timer = timer(schedule, 0, self.time);\n\n function schedule(elapsed) {\n self.state = SCHEDULED;\n self.timer.restart(start, self.delay, self.time);\n\n // If the elapsed delay is less than our first sleep, start immediately.\n if (self.delay <= elapsed) start(elapsed - self.delay);\n }\n\n function start(elapsed) {\n var i, j, n, o;\n\n // If the state is not SCHEDULED, then we previously errored on start.\n if (self.state !== SCHEDULED) return stop();\n\n for (i in schedules) {\n o = schedules[i];\n if (o.name !== self.name) continue;\n\n // While this element already has a starting transition during this frame,\n // defer starting an interrupting transition until that transition has a\n // chance to tick (and possibly end); see d3/d3-transition#54!\n if (o.state === STARTED) return timeout(start);\n\n // Interrupt the active transition, if any.\n if (o.state === RUNNING) {\n o.state = ENDED;\n o.timer.stop();\n o.on.call(\"interrupt\", node, node.__data__, o.index, o.group);\n delete schedules[i];\n }\n\n // Cancel any pre-empted transitions.\n else if (+i < id) {\n o.state = ENDED;\n o.timer.stop();\n o.on.call(\"cancel\", node, node.__data__, o.index, o.group);\n delete schedules[i];\n }\n }\n\n // Defer the first tick to end of the current frame; see d3/d3#1576.\n // Note the transition may be canceled after start and before the first tick!\n // Note this must be scheduled before the start event; see d3/d3-transition#16!\n // Assuming this is successful, subsequent callbacks go straight to tick.\n timeout(function() {\n if (self.state === STARTED) {\n self.state = RUNNING;\n self.timer.restart(tick, self.delay, self.time);\n tick(elapsed);\n }\n });\n\n // Dispatch the start event.\n // Note this must be done before the tween are initialized.\n self.state = STARTING;\n self.on.call(\"start\", node, node.__data__, self.index, self.group);\n if (self.state !== STARTING) return; // interrupted\n self.state = STARTED;\n\n // Initialize the tween, deleting null tween.\n tween = new Array(n = self.tween.length);\n for (i = 0, j = -1; i < n; ++i) {\n if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) {\n tween[++j] = o;\n }\n }\n tween.length = j + 1;\n }\n\n function tick(elapsed) {\n var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1),\n i = -1,\n n = tween.length;\n\n while (++i < n) {\n tween[i].call(node, t);\n }\n\n // Dispatch the end event.\n if (self.state === ENDING) {\n self.on.call(\"end\", node, node.__data__, self.index, self.group);\n stop();\n }\n }\n\n function stop() {\n self.state = ENDED;\n self.timer.stop();\n delete schedules[id];\n for (var i in schedules) return; // eslint-disable-line no-unused-vars\n delete node.__transition;\n }\n}\n","import {STARTING, ENDING, ENDED} from \"./transition/schedule.js\";\n\nexport default function(node, name) {\n var schedules = node.__transition,\n schedule,\n active,\n empty = true,\n i;\n\n if (!schedules) return;\n\n name = name == null ? null : name + \"\";\n\n for (i in schedules) {\n if ((schedule = schedules[i]).name !== name) { empty = false; continue; }\n active = schedule.state > STARTING && schedule.state < ENDING;\n schedule.state = ENDED;\n schedule.timer.stop();\n schedule.on.call(active ? \"interrupt\" : \"cancel\", node, node.__data__, schedule.index, schedule.group);\n delete schedules[i];\n }\n\n if (empty) delete node.__transition;\n}\n","import {get, set} from \"./schedule.js\";\n\nfunction tweenRemove(id, name) {\n var tween0, tween1;\n return function() {\n var schedule = set(this, id),\n tween = schedule.tween;\n\n // If this node shared tween with the previous node,\n // just assign the updated shared tween and we’re done!\n // Otherwise, copy-on-write.\n if (tween !== tween0) {\n tween1 = tween0 = tween;\n for (var i = 0, n = tween1.length; i < n; ++i) {\n if (tween1[i].name === name) {\n tween1 = tween1.slice();\n tween1.splice(i, 1);\n break;\n }\n }\n }\n\n schedule.tween = tween1;\n };\n}\n\nfunction tweenFunction(id, name, value) {\n var tween0, tween1;\n if (typeof value !== \"function\") throw new Error;\n return function() {\n var schedule = set(this, id),\n tween = schedule.tween;\n\n // If this node shared tween with the previous node,\n // just assign the updated shared tween and we’re done!\n // Otherwise, copy-on-write.\n if (tween !== tween0) {\n tween1 = (tween0 = tween).slice();\n for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) {\n if (tween1[i].name === name) {\n tween1[i] = t;\n break;\n }\n }\n if (i === n) tween1.push(t);\n }\n\n schedule.tween = tween1;\n };\n}\n\nexport default function(name, value) {\n var id = this._id;\n\n name += \"\";\n\n if (arguments.length < 2) {\n var tween = get(this.node(), id).tween;\n for (var i = 0, n = tween.length, t; i < n; ++i) {\n if ((t = tween[i]).name === name) {\n return t.value;\n }\n }\n return null;\n }\n\n return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value));\n}\n\nexport function tweenValue(transition, name, value) {\n var id = transition._id;\n\n transition.each(function() {\n var schedule = set(this, id);\n (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments);\n });\n\n return function(node) {\n return get(node, id).value[name];\n };\n}\n","import {color} from \"d3-color\";\nimport {interpolateNumber, interpolateRgb, interpolateString} from \"d3-interpolate\";\n\nexport default function(a, b) {\n var c;\n return (typeof b === \"number\" ? interpolateNumber\n : b instanceof color ? interpolateRgb\n : (c = color(b)) ? (b = c, interpolateRgb)\n : interpolateString)(a, b);\n}\n","import {interpolateTransformSvg as interpolateTransform} from \"d3-interpolate\";\nimport {namespace} from \"d3-selection\";\nimport {tweenValue} from \"./tween.js\";\nimport interpolate from \"./interpolate.js\";\n\nfunction attrRemove(name) {\n return function() {\n this.removeAttribute(name);\n };\n}\n\nfunction attrRemoveNS(fullname) {\n return function() {\n this.removeAttributeNS(fullname.space, fullname.local);\n };\n}\n\nfunction attrConstant(name, interpolate, value1) {\n var string00,\n string1 = value1 + \"\",\n interpolate0;\n return function() {\n var string0 = this.getAttribute(name);\n return string0 === string1 ? null\n : string0 === string00 ? interpolate0\n : interpolate0 = interpolate(string00 = string0, value1);\n };\n}\n\nfunction attrConstantNS(fullname, interpolate, value1) {\n var string00,\n string1 = value1 + \"\",\n interpolate0;\n return function() {\n var string0 = this.getAttributeNS(fullname.space, fullname.local);\n return string0 === string1 ? null\n : string0 === string00 ? interpolate0\n : interpolate0 = interpolate(string00 = string0, value1);\n };\n}\n\nfunction attrFunction(name, interpolate, value) {\n var string00,\n string10,\n interpolate0;\n return function() {\n var string0, value1 = value(this), string1;\n if (value1 == null) return void this.removeAttribute(name);\n string0 = this.getAttribute(name);\n string1 = value1 + \"\";\n return string0 === string1 ? null\n : string0 === string00 && string1 === string10 ? interpolate0\n : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));\n };\n}\n\nfunction attrFunctionNS(fullname, interpolate, value) {\n var string00,\n string10,\n interpolate0;\n return function() {\n var string0, value1 = value(this), string1;\n if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local);\n string0 = this.getAttributeNS(fullname.space, fullname.local);\n string1 = value1 + \"\";\n return string0 === string1 ? null\n : string0 === string00 && string1 === string10 ? interpolate0\n : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));\n };\n}\n\nexport default function(name, value) {\n var fullname = namespace(name), i = fullname === \"transform\" ? interpolateTransform : interpolate;\n return this.attrTween(name, typeof value === \"function\"\n ? (fullname.local ? attrFunctionNS : attrFunction)(fullname, i, tweenValue(this, \"attr.\" + name, value))\n : value == null ? (fullname.local ? attrRemoveNS : attrRemove)(fullname)\n : (fullname.local ? attrConstantNS : attrConstant)(fullname, i, value));\n}\n","import {namespace} from \"d3-selection\";\n\nfunction attrInterpolate(name, i) {\n return function(t) {\n this.setAttribute(name, i.call(this, t));\n };\n}\n\nfunction attrInterpolateNS(fullname, i) {\n return function(t) {\n this.setAttributeNS(fullname.space, fullname.local, i.call(this, t));\n };\n}\n\nfunction attrTweenNS(fullname, value) {\n var t0, i0;\n function tween() {\n var i = value.apply(this, arguments);\n if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i);\n return t0;\n }\n tween._value = value;\n return tween;\n}\n\nfunction attrTween(name, value) {\n var t0, i0;\n function tween() {\n var i = value.apply(this, arguments);\n if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i);\n return t0;\n }\n tween._value = value;\n return tween;\n}\n\nexport default function(name, value) {\n var key = \"attr.\" + name;\n if (arguments.length < 2) return (key = this.tween(key)) && key._value;\n if (value == null) return this.tween(key, null);\n if (typeof value !== \"function\") throw new Error;\n var fullname = namespace(name);\n return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value));\n}\n","import {get, init} from \"./schedule.js\";\n\nfunction delayFunction(id, value) {\n return function() {\n init(this, id).delay = +value.apply(this, arguments);\n };\n}\n\nfunction delayConstant(id, value) {\n return value = +value, function() {\n init(this, id).delay = value;\n };\n}\n\nexport default function(value) {\n var id = this._id;\n\n return arguments.length\n ? this.each((typeof value === \"function\"\n ? delayFunction\n : delayConstant)(id, value))\n : get(this.node(), id).delay;\n}\n","import {get, set} from \"./schedule.js\";\n\nfunction durationFunction(id, value) {\n return function() {\n set(this, id).duration = +value.apply(this, arguments);\n };\n}\n\nfunction durationConstant(id, value) {\n return value = +value, function() {\n set(this, id).duration = value;\n };\n}\n\nexport default function(value) {\n var id = this._id;\n\n return arguments.length\n ? this.each((typeof value === \"function\"\n ? durationFunction\n : durationConstant)(id, value))\n : get(this.node(), id).duration;\n}\n","import {selection} from \"d3-selection\";\n\nvar Selection = selection.prototype.constructor;\n\nexport default function() {\n return new Selection(this._groups, this._parents);\n}\n","import {interpolateTransformCss as interpolateTransform} from \"d3-interpolate\";\nimport {style} from \"d3-selection\";\nimport {set} from \"./schedule.js\";\nimport {tweenValue} from \"./tween.js\";\nimport interpolate from \"./interpolate.js\";\n\nfunction styleNull(name, interpolate) {\n var string00,\n string10,\n interpolate0;\n return function() {\n var string0 = style(this, name),\n string1 = (this.style.removeProperty(name), style(this, name));\n return string0 === string1 ? null\n : string0 === string00 && string1 === string10 ? interpolate0\n : interpolate0 = interpolate(string00 = string0, string10 = string1);\n };\n}\n\nfunction styleRemove(name) {\n return function() {\n this.style.removeProperty(name);\n };\n}\n\nfunction styleConstant(name, interpolate, value1) {\n var string00,\n string1 = value1 + \"\",\n interpolate0;\n return function() {\n var string0 = style(this, name);\n return string0 === string1 ? null\n : string0 === string00 ? interpolate0\n : interpolate0 = interpolate(string00 = string0, value1);\n };\n}\n\nfunction styleFunction(name, interpolate, value) {\n var string00,\n string10,\n interpolate0;\n return function() {\n var string0 = style(this, name),\n value1 = value(this),\n string1 = value1 + \"\";\n if (value1 == null) string1 = value1 = (this.style.removeProperty(name), style(this, name));\n return string0 === string1 ? null\n : string0 === string00 && string1 === string10 ? interpolate0\n : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));\n };\n}\n\nfunction styleMaybeRemove(id, name) {\n var on0, on1, listener0, key = \"style.\" + name, event = \"end.\" + key, remove;\n return function() {\n var schedule = set(this, id),\n on = schedule.on,\n listener = schedule.value[key] == null ? remove || (remove = styleRemove(name)) : undefined;\n\n // If this node shared a dispatch with the previous node,\n // just assign the updated shared dispatch and we’re done!\n // Otherwise, copy-on-write.\n if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener);\n\n schedule.on = on1;\n };\n}\n\nexport default function(name, value, priority) {\n var i = (name += \"\") === \"transform\" ? interpolateTransform : interpolate;\n return value == null ? this\n .styleTween(name, styleNull(name, i))\n .on(\"end.style.\" + name, styleRemove(name))\n : typeof value === \"function\" ? this\n .styleTween(name, styleFunction(name, i, tweenValue(this, \"style.\" + name, value)))\n .each(styleMaybeRemove(this._id, name))\n : this\n .styleTween(name, styleConstant(name, i, value), priority)\n .on(\"end.style.\" + name, null);\n}\n","import {selection} from \"d3-selection\";\nimport transition_attr from \"./attr.js\";\nimport transition_attrTween from \"./attrTween.js\";\nimport transition_delay from \"./delay.js\";\nimport transition_duration from \"./duration.js\";\nimport transition_ease from \"./ease.js\";\nimport transition_filter from \"./filter.js\";\nimport transition_merge from \"./merge.js\";\nimport transition_on from \"./on.js\";\nimport transition_remove from \"./remove.js\";\nimport transition_select from \"./select.js\";\nimport transition_selectAll from \"./selectAll.js\";\nimport transition_selection from \"./selection.js\";\nimport transition_style from \"./style.js\";\nimport transition_styleTween from \"./styleTween.js\";\nimport transition_text from \"./text.js\";\nimport transition_textTween from \"./textTween.js\";\nimport transition_transition from \"./transition.js\";\nimport transition_tween from \"./tween.js\";\nimport transition_end from \"./end.js\";\n\nvar id = 0;\n\nexport function Transition(groups, parents, name, id) {\n this._groups = groups;\n this._parents = parents;\n this._name = name;\n this._id = id;\n}\n\nexport default function transition(name) {\n return selection().transition(name);\n}\n\nexport function newId() {\n return ++id;\n}\n\nvar selection_prototype = selection.prototype;\n\nTransition.prototype = transition.prototype = {\n constructor: Transition,\n select: transition_select,\n selectAll: transition_selectAll,\n filter: transition_filter,\n merge: transition_merge,\n selection: transition_selection,\n transition: transition_transition,\n call: selection_prototype.call,\n nodes: selection_prototype.nodes,\n node: selection_prototype.node,\n size: selection_prototype.size,\n empty: selection_prototype.empty,\n each: selection_prototype.each,\n on: transition_on,\n attr: transition_attr,\n attrTween: transition_attrTween,\n style: transition_style,\n styleTween: transition_styleTween,\n text: transition_text,\n textTween: transition_textTween,\n remove: transition_remove,\n tween: transition_tween,\n delay: transition_delay,\n duration: transition_duration,\n ease: transition_ease,\n end: transition_end\n};\n","export function quadIn(t) {\n return t * t;\n}\n\nexport function quadOut(t) {\n return t * (2 - t);\n}\n\nexport function quadInOut(t) {\n return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2;\n}\n","export function cubicIn(t) {\n return t * t * t;\n}\n\nexport function cubicOut(t) {\n return --t * t * t + 1;\n}\n\nexport function cubicInOut(t) {\n return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2;\n}\n","import {selector} from \"d3-selection\";\nimport {Transition} from \"./index.js\";\nimport schedule, {get} from \"./schedule.js\";\n\nexport default function(select) {\n var name = this._name,\n id = this._id;\n\n if (typeof select !== \"function\") select = selector(select);\n\n for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) {\n if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) {\n if (\"__data__\" in node) subnode.__data__ = node.__data__;\n subgroup[i] = subnode;\n schedule(subgroup[i], name, id, i, subgroup, get(node, id));\n }\n }\n }\n\n return new Transition(subgroups, this._parents, name, id);\n}\n","import {selectorAll} from \"d3-selection\";\nimport {Transition} from \"./index.js\";\nimport schedule, {get} from \"./schedule.js\";\n\nexport default function(select) {\n var name = this._name,\n id = this._id;\n\n if (typeof select !== \"function\") select = selectorAll(select);\n\n for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {\n if (node = group[i]) {\n for (var children = select.call(node, node.__data__, i, group), child, inherit = get(node, id), k = 0, l = children.length; k < l; ++k) {\n if (child = children[k]) {\n schedule(child, name, id, k, children, inherit);\n }\n }\n subgroups.push(children);\n parents.push(node);\n }\n }\n }\n\n return new Transition(subgroups, parents, name, id);\n}\n","import {matcher} from \"d3-selection\";\nimport {Transition} from \"./index.js\";\n\nexport default function(match) {\n if (typeof match !== \"function\") match = matcher(match);\n\n for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) {\n if ((node = group[i]) && match.call(node, node.__data__, i, group)) {\n subgroup.push(node);\n }\n }\n }\n\n return new Transition(subgroups, this._parents, this._name, this._id);\n}\n","import {Transition} from \"./index.js\";\n\nexport default function(transition) {\n if (transition._id !== this._id) throw new Error;\n\n for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) {\n for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) {\n if (node = group0[i] || group1[i]) {\n merge[i] = node;\n }\n }\n }\n\n for (; j < m0; ++j) {\n merges[j] = groups0[j];\n }\n\n return new Transition(merges, this._parents, this._name, this._id);\n}\n","import {Transition, newId} from \"./index.js\";\nimport schedule, {get} from \"./schedule.js\";\n\nexport default function() {\n var name = this._name,\n id0 = this._id,\n id1 = newId();\n\n for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {\n if (node = group[i]) {\n var inherit = get(node, id0);\n schedule(node, name, id1, i, group, {\n time: inherit.time + inherit.delay + inherit.duration,\n delay: 0,\n duration: inherit.duration,\n ease: inherit.ease\n });\n }\n }\n }\n\n return new Transition(groups, this._parents, name, id1);\n}\n","import {get, set, init} from \"./schedule.js\";\n\nfunction start(name) {\n return (name + \"\").trim().split(/^|\\s+/).every(function(t) {\n var i = t.indexOf(\".\");\n if (i >= 0) t = t.slice(0, i);\n return !t || t === \"start\";\n });\n}\n\nfunction onFunction(id, name, listener) {\n var on0, on1, sit = start(name) ? init : set;\n return function() {\n var schedule = sit(this, id),\n on = schedule.on;\n\n // If this node shared a dispatch with the previous node,\n // just assign the updated shared dispatch and we’re done!\n // Otherwise, copy-on-write.\n if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener);\n\n schedule.on = on1;\n };\n}\n\nexport default function(name, listener) {\n var id = this._id;\n\n return arguments.length < 2\n ? get(this.node(), id).on.on(name)\n : this.each(onFunction(id, name, listener));\n}\n","function styleInterpolate(name, i, priority) {\n return function(t) {\n this.style.setProperty(name, i.call(this, t), priority);\n };\n}\n\nfunction styleTween(name, value, priority) {\n var t, i0;\n function tween() {\n var i = value.apply(this, arguments);\n if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority);\n return t;\n }\n tween._value = value;\n return tween;\n}\n\nexport default function(name, value, priority) {\n var key = \"style.\" + (name += \"\");\n if (arguments.length < 2) return (key = this.tween(key)) && key._value;\n if (value == null) return this.tween(key, null);\n if (typeof value !== \"function\") throw new Error;\n return this.tween(key, styleTween(name, value, priority == null ? \"\" : priority));\n}\n","import {tweenValue} from \"./tween.js\";\n\nfunction textConstant(value) {\n return function() {\n this.textContent = value;\n };\n}\n\nfunction textFunction(value) {\n return function() {\n var value1 = value(this);\n this.textContent = value1 == null ? \"\" : value1;\n };\n}\n\nexport default function(value) {\n return this.tween(\"text\", typeof value === \"function\"\n ? textFunction(tweenValue(this, \"text\", value))\n : textConstant(value == null ? \"\" : value + \"\"));\n}\n","function textInterpolate(i) {\n return function(t) {\n this.textContent = i.call(this, t);\n };\n}\n\nfunction textTween(value) {\n var t0, i0;\n function tween() {\n var i = value.apply(this, arguments);\n if (i !== i0) t0 = (i0 = i) && textInterpolate(i);\n return t0;\n }\n tween._value = value;\n return tween;\n}\n\nexport default function(value) {\n var key = \"text\";\n if (arguments.length < 1) return (key = this.tween(key)) && key._value;\n if (value == null) return this.tween(key, null);\n if (typeof value !== \"function\") throw new Error;\n return this.tween(key, textTween(value));\n}\n","function removeFunction(id) {\n return function() {\n var parent = this.parentNode;\n for (var i in this.__transition) if (+i !== id) return;\n if (parent) parent.removeChild(this);\n };\n}\n\nexport default function() {\n return this.on(\"end.remove\", removeFunction(this._id));\n}\n","import {get, set} from \"./schedule.js\";\n\nfunction easeConstant(id, value) {\n if (typeof value !== \"function\") throw new Error;\n return function() {\n set(this, id).ease = value;\n };\n}\n\nexport default function(value) {\n var id = this._id;\n\n return arguments.length\n ? this.each(easeConstant(id, value))\n : get(this.node(), id).ease;\n}\n","import {set} from \"./schedule.js\";\n\nexport default function() {\n var on0, on1, that = this, id = that._id, size = that.size();\n return new Promise(function(resolve, reject) {\n var cancel = {value: reject},\n end = {value: function() { if (--size === 0) resolve(); }};\n\n that.each(function() {\n var schedule = set(this, id),\n on = schedule.on;\n\n // If this node shared a dispatch with the previous node,\n // just assign the updated shared dispatch and we’re done!\n // Otherwise, copy-on-write.\n if (on !== on0) {\n on1 = (on0 = on).copy();\n on1._.cancel.push(cancel);\n on1._.interrupt.push(cancel);\n on1._.end.push(end);\n }\n\n schedule.on = on1;\n });\n });\n}\n","var exponent = 3;\n\nexport var polyIn = (function custom(e) {\n e = +e;\n\n function polyIn(t) {\n return Math.pow(t, e);\n }\n\n polyIn.exponent = custom;\n\n return polyIn;\n})(exponent);\n\nexport var polyOut = (function custom(e) {\n e = +e;\n\n function polyOut(t) {\n return 1 - Math.pow(1 - t, e);\n }\n\n polyOut.exponent = custom;\n\n return polyOut;\n})(exponent);\n\nexport var polyInOut = (function custom(e) {\n e = +e;\n\n function polyInOut(t) {\n return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2;\n }\n\n polyInOut.exponent = custom;\n\n return polyInOut;\n})(exponent);\n","var pi = Math.PI,\n halfPi = pi / 2;\n\nexport function sinIn(t) {\n return (+t === 1) ? 1 : 1 - Math.cos(t * halfPi);\n}\n\nexport function sinOut(t) {\n return Math.sin(t * halfPi);\n}\n\nexport function sinInOut(t) {\n return (1 - Math.cos(pi * t)) / 2;\n}\n","// tpmt is two power minus ten times t scaled to [0,1]\nexport function tpmt(x) {\n return (Math.pow(2, -10 * x) - 0.0009765625) * 1.0009775171065494;\n}\n","import {tpmt} from \"./math.js\";\n\nexport function expIn(t) {\n return tpmt(1 - +t);\n}\n\nexport function expOut(t) {\n return 1 - tpmt(t);\n}\n\nexport function expInOut(t) {\n return ((t *= 2) <= 1 ? tpmt(1 - t) : 2 - tpmt(t - 1)) / 2;\n}\n","export function circleIn(t) {\n return 1 - Math.sqrt(1 - t * t);\n}\n\nexport function circleOut(t) {\n return Math.sqrt(1 - --t * t);\n}\n\nexport function circleInOut(t) {\n return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2;\n}\n","var b1 = 4 / 11,\n b2 = 6 / 11,\n b3 = 8 / 11,\n b4 = 3 / 4,\n b5 = 9 / 11,\n b6 = 10 / 11,\n b7 = 15 / 16,\n b8 = 21 / 22,\n b9 = 63 / 64,\n b0 = 1 / b1 / b1;\n\nexport function bounceIn(t) {\n return 1 - bounceOut(1 - t);\n}\n\nexport function bounceOut(t) {\n return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9;\n}\n\nexport function bounceInOut(t) {\n return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2;\n}\n","var overshoot = 1.70158;\n\nexport var backIn = (function custom(s) {\n s = +s;\n\n function backIn(t) {\n return (t = +t) * t * (s * (t - 1) + t);\n }\n\n backIn.overshoot = custom;\n\n return backIn;\n})(overshoot);\n\nexport var backOut = (function custom(s) {\n s = +s;\n\n function backOut(t) {\n return --t * t * ((t + 1) * s + t) + 1;\n }\n\n backOut.overshoot = custom;\n\n return backOut;\n})(overshoot);\n\nexport var backInOut = (function custom(s) {\n s = +s;\n\n function backInOut(t) {\n return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2;\n }\n\n backInOut.overshoot = custom;\n\n return backInOut;\n})(overshoot);\n","import {tpmt} from \"./math.js\";\n\nvar tau = 2 * Math.PI,\n amplitude = 1,\n period = 0.3;\n\nexport var elasticIn = (function custom(a, p) {\n var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);\n\n function elasticIn(t) {\n return a * tpmt(-(--t)) * Math.sin((s - t) / p);\n }\n\n elasticIn.amplitude = function(a) { return custom(a, p * tau); };\n elasticIn.period = function(p) { return custom(a, p); };\n\n return elasticIn;\n})(amplitude, period);\n\nexport var elasticOut = (function custom(a, p) {\n var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);\n\n function elasticOut(t) {\n return 1 - a * tpmt(t = +t) * Math.sin((t + s) / p);\n }\n\n elasticOut.amplitude = function(a) { return custom(a, p * tau); };\n elasticOut.period = function(p) { return custom(a, p); };\n\n return elasticOut;\n})(amplitude, period);\n\nexport var elasticInOut = (function custom(a, p) {\n var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);\n\n function elasticInOut(t) {\n return ((t = t * 2 - 1) < 0\n ? a * tpmt(-t) * Math.sin((s - t) / p)\n : 2 - a * tpmt(t) * Math.sin((s + t) / p)) / 2;\n }\n\n elasticInOut.amplitude = function(a) { return custom(a, p * tau); };\n elasticInOut.period = function(p) { return custom(a, p); };\n\n return elasticInOut;\n})(amplitude, period);\n","import {Transition, newId} from \"../transition/index.js\";\nimport schedule from \"../transition/schedule.js\";\nimport {easeCubicInOut} from \"d3-ease\";\nimport {now} from \"d3-timer\";\n\nvar defaultTiming = {\n time: null, // Set on use.\n delay: 0,\n duration: 250,\n ease: easeCubicInOut\n};\n\nfunction inherit(node, id) {\n var timing;\n while (!(timing = node.__transition) || !(timing = timing[id])) {\n if (!(node = node.parentNode)) {\n return defaultTiming.time = now(), defaultTiming;\n }\n }\n return timing;\n}\n\nexport default function(name) {\n var id,\n timing;\n\n if (name instanceof Transition) {\n id = name._id, name = name._name;\n } else {\n id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + \"\";\n }\n\n for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) {\n for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {\n if (node = group[i]) {\n schedule(node, name, id, i, group, timing || inherit(node, id));\n }\n }\n }\n\n return new Transition(groups, this._parents, name, id);\n}\n","import {selection} from \"d3-selection\";\nimport selection_interrupt from \"./interrupt.js\";\nimport selection_transition from \"./transition.js\";\n\nselection.prototype.interrupt = selection_interrupt;\nselection.prototype.transition = selection_transition;\n","import interrupt from \"../interrupt.js\";\n\nexport default function(name) {\n return this.each(function() {\n interrupt(this, name);\n });\n}\n","import {Transition} from \"./transition/index.js\";\nimport {SCHEDULED} from \"./transition/schedule.js\";\n\nvar root = [null];\n\nexport default function(node, name) {\n var schedules = node.__transition,\n schedule,\n i;\n\n if (schedules) {\n name = name == null ? null : name + \"\";\n for (i in schedules) {\n if ((schedule = schedules[i]).state > SCHEDULED && schedule.name === name) {\n return new Transition([[node]], root, name, +i);\n }\n }\n }\n\n return null;\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","export default function(target, type, selection) {\n this.target = target;\n this.type = type;\n this.selection = selection;\n}\n","import {event} from \"d3-selection\";\n\nexport function nopropagation() {\n event.stopImmediatePropagation();\n}\n\nexport default function() {\n event.preventDefault();\n event.stopImmediatePropagation();\n}\n","import {dispatch} from \"d3-dispatch\";\nimport {dragDisable, dragEnable} from \"d3-drag\";\nimport {interpolate} from \"d3-interpolate\";\nimport {customEvent, event, touch, mouse, select} from \"d3-selection\";\nimport {interrupt} from \"d3-transition\";\nimport constant from \"./constant.js\";\nimport BrushEvent from \"./event.js\";\nimport noevent, {nopropagation} from \"./noevent.js\";\n\nvar MODE_DRAG = {name: \"drag\"},\n MODE_SPACE = {name: \"space\"},\n MODE_HANDLE = {name: \"handle\"},\n MODE_CENTER = {name: \"center\"};\n\nfunction number1(e) {\n return [+e[0], +e[1]];\n}\n\nfunction number2(e) {\n return [number1(e[0]), number1(e[1])];\n}\n\nfunction toucher(identifier) {\n return function(target) {\n return touch(target, event.touches, identifier);\n };\n}\n\nvar X = {\n name: \"x\",\n handles: [\"w\", \"e\"].map(type),\n input: function(x, e) { return x == null ? null : [[+x[0], e[0][1]], [+x[1], e[1][1]]]; },\n output: function(xy) { return xy && [xy[0][0], xy[1][0]]; }\n};\n\nvar Y = {\n name: \"y\",\n handles: [\"n\", \"s\"].map(type),\n input: function(y, e) { return y == null ? null : [[e[0][0], +y[0]], [e[1][0], +y[1]]]; },\n output: function(xy) { return xy && [xy[0][1], xy[1][1]]; }\n};\n\nvar XY = {\n name: \"xy\",\n handles: [\"n\", \"w\", \"e\", \"s\", \"nw\", \"ne\", \"sw\", \"se\"].map(type),\n input: function(xy) { return xy == null ? null : number2(xy); },\n output: function(xy) { return xy; }\n};\n\nvar cursors = {\n overlay: \"crosshair\",\n selection: \"move\",\n n: \"ns-resize\",\n e: \"ew-resize\",\n s: \"ns-resize\",\n w: \"ew-resize\",\n nw: \"nwse-resize\",\n ne: \"nesw-resize\",\n se: \"nwse-resize\",\n sw: \"nesw-resize\"\n};\n\nvar flipX = {\n e: \"w\",\n w: \"e\",\n nw: \"ne\",\n ne: \"nw\",\n se: \"sw\",\n sw: \"se\"\n};\n\nvar flipY = {\n n: \"s\",\n s: \"n\",\n nw: \"sw\",\n ne: \"se\",\n se: \"ne\",\n sw: \"nw\"\n};\n\nvar signsX = {\n overlay: +1,\n selection: +1,\n n: null,\n e: +1,\n s: null,\n w: -1,\n nw: -1,\n ne: +1,\n se: +1,\n sw: -1\n};\n\nvar signsY = {\n overlay: +1,\n selection: +1,\n n: -1,\n e: null,\n s: +1,\n w: null,\n nw: -1,\n ne: -1,\n se: +1,\n sw: +1\n};\n\nfunction type(t) {\n return {type: t};\n}\n\n// Ignore right-click, since that should open the context menu.\nfunction defaultFilter() {\n return !event.ctrlKey && !event.button;\n}\n\nfunction defaultExtent() {\n var svg = this.ownerSVGElement || this;\n if (svg.hasAttribute(\"viewBox\")) {\n svg = svg.viewBox.baseVal;\n return [[svg.x, svg.y], [svg.x + svg.width, svg.y + svg.height]];\n }\n return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]];\n}\n\nfunction defaultTouchable() {\n return navigator.maxTouchPoints || (\"ontouchstart\" in this);\n}\n\n// Like d3.local, but with the name “__brush” rather than auto-generated.\nfunction local(node) {\n while (!node.__brush) if (!(node = node.parentNode)) return;\n return node.__brush;\n}\n\nfunction empty(extent) {\n return extent[0][0] === extent[1][0]\n || extent[0][1] === extent[1][1];\n}\n\nexport function brushSelection(node) {\n var state = node.__brush;\n return state ? state.dim.output(state.selection) : null;\n}\n\nexport function brushX() {\n return brush(X);\n}\n\nexport function brushY() {\n return brush(Y);\n}\n\nexport default function() {\n return brush(XY);\n}\n\nfunction brush(dim) {\n var extent = defaultExtent,\n filter = defaultFilter,\n touchable = defaultTouchable,\n keys = true,\n listeners = dispatch(\"start\", \"brush\", \"end\"),\n handleSize = 6,\n touchending;\n\n function brush(group) {\n var overlay = group\n .property(\"__brush\", initialize)\n .selectAll(\".overlay\")\n .data([type(\"overlay\")]);\n\n overlay.enter().append(\"rect\")\n .attr(\"class\", \"overlay\")\n .attr(\"pointer-events\", \"all\")\n .attr(\"cursor\", cursors.overlay)\n .merge(overlay)\n .each(function() {\n var extent = local(this).extent;\n select(this)\n .attr(\"x\", extent[0][0])\n .attr(\"y\", extent[0][1])\n .attr(\"width\", extent[1][0] - extent[0][0])\n .attr(\"height\", extent[1][1] - extent[0][1]);\n });\n\n group.selectAll(\".selection\")\n .data([type(\"selection\")])\n .enter().append(\"rect\")\n .attr(\"class\", \"selection\")\n .attr(\"cursor\", cursors.selection)\n .attr(\"fill\", \"#777\")\n .attr(\"fill-opacity\", 0.3)\n .attr(\"stroke\", \"#fff\")\n .attr(\"shape-rendering\", \"crispEdges\");\n\n var handle = group.selectAll(\".handle\")\n .data(dim.handles, function(d) { return d.type; });\n\n handle.exit().remove();\n\n handle.enter().append(\"rect\")\n .attr(\"class\", function(d) { return \"handle handle--\" + d.type; })\n .attr(\"cursor\", function(d) { return cursors[d.type]; });\n\n group\n .each(redraw)\n .attr(\"fill\", \"none\")\n .attr(\"pointer-events\", \"all\")\n .on(\"mousedown.brush\", started)\n .filter(touchable)\n .on(\"touchstart.brush\", started)\n .on(\"touchmove.brush\", touchmoved)\n .on(\"touchend.brush touchcancel.brush\", touchended)\n .style(\"touch-action\", \"none\")\n .style(\"-webkit-tap-highlight-color\", \"rgba(0,0,0,0)\");\n }\n\n brush.move = function(group, selection) {\n if (group.selection) {\n group\n .on(\"start.brush\", function() { emitter(this, arguments).beforestart().start(); })\n .on(\"interrupt.brush end.brush\", function() { emitter(this, arguments).end(); })\n .tween(\"brush\", function() {\n var that = this,\n state = that.__brush,\n emit = emitter(that, arguments),\n selection0 = state.selection,\n selection1 = dim.input(typeof selection === \"function\" ? selection.apply(this, arguments) : selection, state.extent),\n i = interpolate(selection0, selection1);\n\n function tween(t) {\n state.selection = t === 1 && selection1 === null ? null : i(t);\n redraw.call(that);\n emit.brush();\n }\n\n return selection0 !== null && selection1 !== null ? tween : tween(1);\n });\n } else {\n group\n .each(function() {\n var that = this,\n args = arguments,\n state = that.__brush,\n selection1 = dim.input(typeof selection === \"function\" ? selection.apply(that, args) : selection, state.extent),\n emit = emitter(that, args).beforestart();\n\n interrupt(that);\n state.selection = selection1 === null ? null : selection1;\n redraw.call(that);\n emit.start().brush().end();\n });\n }\n };\n\n brush.clear = function(group) {\n brush.move(group, null);\n };\n\n function redraw() {\n var group = select(this),\n selection = local(this).selection;\n\n if (selection) {\n group.selectAll(\".selection\")\n .style(\"display\", null)\n .attr(\"x\", selection[0][0])\n .attr(\"y\", selection[0][1])\n .attr(\"width\", selection[1][0] - selection[0][0])\n .attr(\"height\", selection[1][1] - selection[0][1]);\n\n group.selectAll(\".handle\")\n .style(\"display\", null)\n .attr(\"x\", function(d) { return d.type[d.type.length - 1] === \"e\" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; })\n .attr(\"y\", function(d) { return d.type[0] === \"s\" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; })\n .attr(\"width\", function(d) { return d.type === \"n\" || d.type === \"s\" ? selection[1][0] - selection[0][0] + handleSize : handleSize; })\n .attr(\"height\", function(d) { return d.type === \"e\" || d.type === \"w\" ? selection[1][1] - selection[0][1] + handleSize : handleSize; });\n }\n\n else {\n group.selectAll(\".selection,.handle\")\n .style(\"display\", \"none\")\n .attr(\"x\", null)\n .attr(\"y\", null)\n .attr(\"width\", null)\n .attr(\"height\", null);\n }\n }\n\n function emitter(that, args, clean) {\n var emit = that.__brush.emitter;\n return emit && (!clean || !emit.clean) ? emit : new Emitter(that, args, clean);\n }\n\n function Emitter(that, args, clean) {\n this.that = that;\n this.args = args;\n this.state = that.__brush;\n this.active = 0;\n this.clean = clean;\n }\n\n Emitter.prototype = {\n beforestart: function() {\n if (++this.active === 1) this.state.emitter = this, this.starting = true;\n return this;\n },\n start: function() {\n if (this.starting) this.starting = false, this.emit(\"start\");\n else this.emit(\"brush\");\n return this;\n },\n brush: function() {\n this.emit(\"brush\");\n return this;\n },\n end: function() {\n if (--this.active === 0) delete this.state.emitter, this.emit(\"end\");\n return this;\n },\n emit: function(type) {\n customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]);\n }\n };\n\n function started() {\n if (touchending && !event.touches) return;\n if (!filter.apply(this, arguments)) return;\n\n var that = this,\n type = event.target.__data__.type,\n mode = (keys && event.metaKey ? type = \"overlay\" : type) === \"selection\" ? MODE_DRAG : (keys && event.altKey ? MODE_CENTER : MODE_HANDLE),\n signX = dim === Y ? null : signsX[type],\n signY = dim === X ? null : signsY[type],\n state = local(that),\n extent = state.extent,\n selection = state.selection,\n W = extent[0][0], w0, w1,\n N = extent[0][1], n0, n1,\n E = extent[1][0], e0, e1,\n S = extent[1][1], s0, s1,\n dx = 0,\n dy = 0,\n moving,\n shifting = signX && signY && keys && event.shiftKey,\n lockX,\n lockY,\n pointer = event.touches ? toucher(event.changedTouches[0].identifier) : mouse,\n point0 = pointer(that),\n point = point0,\n emit = emitter(that, arguments, true).beforestart();\n\n if (type === \"overlay\") {\n if (selection) moving = true;\n state.selection = selection = [\n [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]],\n [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0]\n ];\n } else {\n w0 = selection[0][0];\n n0 = selection[0][1];\n e0 = selection[1][0];\n s0 = selection[1][1];\n }\n\n w1 = w0;\n n1 = n0;\n e1 = e0;\n s1 = s0;\n\n var group = select(that)\n .attr(\"pointer-events\", \"none\");\n\n var overlay = group.selectAll(\".overlay\")\n .attr(\"cursor\", cursors[type]);\n\n if (event.touches) {\n emit.moved = moved;\n emit.ended = ended;\n } else {\n var view = select(event.view)\n .on(\"mousemove.brush\", moved, true)\n .on(\"mouseup.brush\", ended, true);\n if (keys) view\n .on(\"keydown.brush\", keydowned, true)\n .on(\"keyup.brush\", keyupped, true)\n\n dragDisable(event.view);\n }\n\n nopropagation();\n interrupt(that);\n redraw.call(that);\n emit.start();\n\n function moved() {\n var point1 = pointer(that);\n if (shifting && !lockX && !lockY) {\n if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true;\n else lockX = true;\n }\n point = point1;\n moving = true;\n noevent();\n move();\n }\n\n function move() {\n var t;\n\n dx = point[0] - point0[0];\n dy = point[1] - point0[1];\n\n switch (mode) {\n case MODE_SPACE:\n case MODE_DRAG: {\n if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx;\n if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy;\n break;\n }\n case MODE_HANDLE: {\n if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0;\n else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx;\n if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0;\n else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy;\n break;\n }\n case MODE_CENTER: {\n if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX));\n if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY));\n break;\n }\n }\n\n if (e1 < w1) {\n signX *= -1;\n t = w0, w0 = e0, e0 = t;\n t = w1, w1 = e1, e1 = t;\n if (type in flipX) overlay.attr(\"cursor\", cursors[type = flipX[type]]);\n }\n\n if (s1 < n1) {\n signY *= -1;\n t = n0, n0 = s0, s0 = t;\n t = n1, n1 = s1, s1 = t;\n if (type in flipY) overlay.attr(\"cursor\", cursors[type = flipY[type]]);\n }\n\n if (state.selection) selection = state.selection; // May be set by brush.move!\n if (lockX) w1 = selection[0][0], e1 = selection[1][0];\n if (lockY) n1 = selection[0][1], s1 = selection[1][1];\n\n if (selection[0][0] !== w1\n || selection[0][1] !== n1\n || selection[1][0] !== e1\n || selection[1][1] !== s1) {\n state.selection = [[w1, n1], [e1, s1]];\n redraw.call(that);\n emit.brush();\n }\n }\n\n function ended() {\n nopropagation();\n if (event.touches) {\n if (event.touches.length) return;\n if (touchending) clearTimeout(touchending);\n touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!\n } else {\n dragEnable(event.view, moving);\n view.on(\"keydown.brush keyup.brush mousemove.brush mouseup.brush\", null);\n }\n group.attr(\"pointer-events\", \"all\");\n overlay.attr(\"cursor\", cursors.overlay);\n if (state.selection) selection = state.selection; // May be set by brush.move (on start)!\n if (empty(selection)) state.selection = null, redraw.call(that);\n emit.end();\n }\n\n function keydowned() {\n switch (event.keyCode) {\n case 16: { // SHIFT\n shifting = signX && signY;\n break;\n }\n case 18: { // ALT\n if (mode === MODE_HANDLE) {\n if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;\n if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;\n mode = MODE_CENTER;\n move();\n }\n break;\n }\n case 32: { // SPACE; takes priority over ALT\n if (mode === MODE_HANDLE || mode === MODE_CENTER) {\n if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx;\n if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy;\n mode = MODE_SPACE;\n overlay.attr(\"cursor\", cursors.selection);\n move();\n }\n break;\n }\n default: return;\n }\n noevent();\n }\n\n function keyupped() {\n switch (event.keyCode) {\n case 16: { // SHIFT\n if (shifting) {\n lockX = lockY = shifting = false;\n move();\n }\n break;\n }\n case 18: { // ALT\n if (mode === MODE_CENTER) {\n if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;\n if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;\n mode = MODE_HANDLE;\n move();\n }\n break;\n }\n case 32: { // SPACE\n if (mode === MODE_SPACE) {\n if (event.altKey) {\n if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;\n if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;\n mode = MODE_CENTER;\n } else {\n if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;\n if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;\n mode = MODE_HANDLE;\n }\n overlay.attr(\"cursor\", cursors[type]);\n move();\n }\n break;\n }\n default: return;\n }\n noevent();\n }\n }\n\n function touchmoved() {\n emitter(this, arguments).moved();\n }\n\n function touchended() {\n emitter(this, arguments).ended();\n }\n\n function initialize() {\n var state = this.__brush || {selection: null};\n state.extent = number2(extent.apply(this, arguments));\n state.dim = dim;\n return state;\n }\n\n brush.extent = function(_) {\n return arguments.length ? (extent = typeof _ === \"function\" ? _ : constant(number2(_)), brush) : extent;\n };\n\n brush.filter = function(_) {\n return arguments.length ? (filter = typeof _ === \"function\" ? _ : constant(!!_), brush) : filter;\n };\n\n brush.touchable = function(_) {\n return arguments.length ? (touchable = typeof _ === \"function\" ? _ : constant(!!_), brush) : touchable;\n };\n\n brush.handleSize = function(_) {\n return arguments.length ? (handleSize = +_, brush) : handleSize;\n };\n\n brush.keyModifiers = function(_) {\n return arguments.length ? (keys = !!_, brush) : keys;\n };\n\n brush.on = function() {\n var value = listeners.on.apply(listeners, arguments);\n return value === listeners ? brush : value;\n };\n\n return brush;\n}\n","export var cos = Math.cos;\nexport var sin = Math.sin;\nexport var pi = Math.PI;\nexport var halfPi = pi / 2;\nexport var tau = pi * 2;\nexport var max = Math.max;\n","export var slice = Array.prototype.slice;\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","var pi = Math.PI,\n tau = 2 * pi,\n epsilon = 1e-6,\n tauEpsilon = tau - epsilon;\n\nfunction Path() {\n this._x0 = this._y0 = // start of current subpath\n this._x1 = this._y1 = null; // end of current subpath\n this._ = \"\";\n}\n\nfunction path() {\n return new Path;\n}\n\nPath.prototype = path.prototype = {\n constructor: Path,\n moveTo: function(x, y) {\n this._ += \"M\" + (this._x0 = this._x1 = +x) + \",\" + (this._y0 = this._y1 = +y);\n },\n closePath: function() {\n if (this._x1 !== null) {\n this._x1 = this._x0, this._y1 = this._y0;\n this._ += \"Z\";\n }\n },\n lineTo: function(x, y) {\n this._ += \"L\" + (this._x1 = +x) + \",\" + (this._y1 = +y);\n },\n quadraticCurveTo: function(x1, y1, x, y) {\n this._ += \"Q\" + (+x1) + \",\" + (+y1) + \",\" + (this._x1 = +x) + \",\" + (this._y1 = +y);\n },\n bezierCurveTo: function(x1, y1, x2, y2, x, y) {\n this._ += \"C\" + (+x1) + \",\" + (+y1) + \",\" + (+x2) + \",\" + (+y2) + \",\" + (this._x1 = +x) + \",\" + (this._y1 = +y);\n },\n arcTo: function(x1, y1, x2, y2, r) {\n x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r;\n var x0 = this._x1,\n y0 = this._y1,\n x21 = x2 - x1,\n y21 = y2 - y1,\n x01 = x0 - x1,\n y01 = y0 - y1,\n l01_2 = x01 * x01 + y01 * y01;\n\n // Is the radius negative? Error.\n if (r < 0) throw new Error(\"negative radius: \" + r);\n\n // Is this path empty? Move to (x1,y1).\n if (this._x1 === null) {\n this._ += \"M\" + (this._x1 = x1) + \",\" + (this._y1 = y1);\n }\n\n // Or, is (x1,y1) coincident with (x0,y0)? Do nothing.\n else if (!(l01_2 > epsilon));\n\n // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear?\n // Equivalently, is (x1,y1) coincident with (x2,y2)?\n // Or, is the radius zero? Line to (x1,y1).\n else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) {\n this._ += \"L\" + (this._x1 = x1) + \",\" + (this._y1 = y1);\n }\n\n // Otherwise, draw an arc!\n else {\n var x20 = x2 - x0,\n y20 = y2 - y0,\n l21_2 = x21 * x21 + y21 * y21,\n l20_2 = x20 * x20 + y20 * y20,\n l21 = Math.sqrt(l21_2),\n l01 = Math.sqrt(l01_2),\n l = r * Math.tan((pi - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2),\n t01 = l / l01,\n t21 = l / l21;\n\n // If the start tangent is not coincident with (x0,y0), line to.\n if (Math.abs(t01 - 1) > epsilon) {\n this._ += \"L\" + (x1 + t01 * x01) + \",\" + (y1 + t01 * y01);\n }\n\n this._ += \"A\" + r + \",\" + r + \",0,0,\" + (+(y01 * x20 > x01 * y20)) + \",\" + (this._x1 = x1 + t21 * x21) + \",\" + (this._y1 = y1 + t21 * y21);\n }\n },\n arc: function(x, y, r, a0, a1, ccw) {\n x = +x, y = +y, r = +r, ccw = !!ccw;\n var dx = r * Math.cos(a0),\n dy = r * Math.sin(a0),\n x0 = x + dx,\n y0 = y + dy,\n cw = 1 ^ ccw,\n da = ccw ? a0 - a1 : a1 - a0;\n\n // Is the radius negative? Error.\n if (r < 0) throw new Error(\"negative radius: \" + r);\n\n // Is this path empty? Move to (x0,y0).\n if (this._x1 === null) {\n this._ += \"M\" + x0 + \",\" + y0;\n }\n\n // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0).\n else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) {\n this._ += \"L\" + x0 + \",\" + y0;\n }\n\n // Is this arc empty? We’re done.\n if (!r) return;\n\n // Does the angle go the wrong way? Flip the direction.\n if (da < 0) da = da % tau + tau;\n\n // Is this a complete circle? Draw two arcs to complete the circle.\n if (da > tauEpsilon) {\n this._ += \"A\" + r + \",\" + r + \",0,1,\" + cw + \",\" + (x - dx) + \",\" + (y - dy) + \"A\" + r + \",\" + r + \",0,1,\" + cw + \",\" + (this._x1 = x0) + \",\" + (this._y1 = y0);\n }\n\n // Is this arc non-empty? Draw an arc!\n else if (da > epsilon) {\n this._ += \"A\" + r + \",\" + r + \",0,\" + (+(da >= pi)) + \",\" + cw + \",\" + (this._x1 = x + r * Math.cos(a1)) + \",\" + (this._y1 = y + r * Math.sin(a1));\n }\n },\n rect: function(x, y, w, h) {\n this._ += \"M\" + (this._x0 = this._x1 = +x) + \",\" + (this._y0 = this._y1 = +y) + \"h\" + (+w) + \"v\" + (+h) + \"h\" + (-w) + \"Z\";\n },\n toString: function() {\n return this._;\n }\n};\n\nexport default path;\n","import {slice} from \"./array\";\nimport constant from \"./constant\";\nimport {cos, halfPi, sin} from \"./math\";\nimport {path} from \"d3-path\";\n\nfunction defaultSource(d) {\n return d.source;\n}\n\nfunction defaultTarget(d) {\n return d.target;\n}\n\nfunction defaultRadius(d) {\n return d.radius;\n}\n\nfunction defaultStartAngle(d) {\n return d.startAngle;\n}\n\nfunction defaultEndAngle(d) {\n return d.endAngle;\n}\n\nexport default function() {\n var source = defaultSource,\n target = defaultTarget,\n radius = defaultRadius,\n startAngle = defaultStartAngle,\n endAngle = defaultEndAngle,\n context = null;\n\n function ribbon() {\n var buffer,\n argv = slice.call(arguments),\n s = source.apply(this, argv),\n t = target.apply(this, argv),\n sr = +radius.apply(this, (argv[0] = s, argv)),\n sa0 = startAngle.apply(this, argv) - halfPi,\n sa1 = endAngle.apply(this, argv) - halfPi,\n sx0 = sr * cos(sa0),\n sy0 = sr * sin(sa0),\n tr = +radius.apply(this, (argv[0] = t, argv)),\n ta0 = startAngle.apply(this, argv) - halfPi,\n ta1 = endAngle.apply(this, argv) - halfPi;\n\n if (!context) context = buffer = path();\n\n context.moveTo(sx0, sy0);\n context.arc(0, 0, sr, sa0, sa1);\n if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr?\n context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0));\n context.arc(0, 0, tr, ta0, ta1);\n }\n context.quadraticCurveTo(0, 0, sx0, sy0);\n context.closePath();\n\n if (buffer) return context = null, buffer + \"\" || null;\n }\n\n ribbon.radius = function(_) {\n return arguments.length ? (radius = typeof _ === \"function\" ? _ : constant(+_), ribbon) : radius;\n };\n\n ribbon.startAngle = function(_) {\n return arguments.length ? (startAngle = typeof _ === \"function\" ? _ : constant(+_), ribbon) : startAngle;\n };\n\n ribbon.endAngle = function(_) {\n return arguments.length ? (endAngle = typeof _ === \"function\" ? _ : constant(+_), ribbon) : endAngle;\n };\n\n ribbon.source = function(_) {\n return arguments.length ? (source = _, ribbon) : source;\n };\n\n ribbon.target = function(_) {\n return arguments.length ? (target = _, ribbon) : target;\n };\n\n ribbon.context = function(_) {\n return arguments.length ? ((context = _ == null ? null : _), ribbon) : context;\n };\n\n return ribbon;\n}\n","export var prefix = \"$\";\n\nfunction Map() {}\n\nMap.prototype = map.prototype = {\n constructor: Map,\n has: function(key) {\n return (prefix + key) in this;\n },\n get: function(key) {\n return this[prefix + key];\n },\n set: function(key, value) {\n this[prefix + key] = value;\n return this;\n },\n remove: function(key) {\n var property = prefix + key;\n return property in this && delete this[property];\n },\n clear: function() {\n for (var property in this) if (property[0] === prefix) delete this[property];\n },\n keys: function() {\n var keys = [];\n for (var property in this) if (property[0] === prefix) keys.push(property.slice(1));\n return keys;\n },\n values: function() {\n var values = [];\n for (var property in this) if (property[0] === prefix) values.push(this[property]);\n return values;\n },\n entries: function() {\n var entries = [];\n for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]});\n return entries;\n },\n size: function() {\n var size = 0;\n for (var property in this) if (property[0] === prefix) ++size;\n return size;\n },\n empty: function() {\n for (var property in this) if (property[0] === prefix) return false;\n return true;\n },\n each: function(f) {\n for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this);\n }\n};\n\nfunction map(object, f) {\n var map = new Map;\n\n // Copy constructor.\n if (object instanceof Map) object.each(function(value, key) { map.set(key, value); });\n\n // Index array by numeric index or specified key function.\n else if (Array.isArray(object)) {\n var i = -1,\n n = object.length,\n o;\n\n if (f == null) while (++i < n) map.set(i, object[i]);\n else while (++i < n) map.set(f(o = object[i], i, object), o);\n }\n\n // Convert object to map.\n else if (object) for (var key in object) map.set(key, object[key]);\n\n return map;\n}\n\nexport default map;\n","import map from \"./map\";\n\nexport default function() {\n var keys = [],\n sortKeys = [],\n sortValues,\n rollup,\n nest;\n\n function apply(array, depth, createResult, setResult) {\n if (depth >= keys.length) {\n if (sortValues != null) array.sort(sortValues);\n return rollup != null ? rollup(array) : array;\n }\n\n var i = -1,\n n = array.length,\n key = keys[depth++],\n keyValue,\n value,\n valuesByKey = map(),\n values,\n result = createResult();\n\n while (++i < n) {\n if (values = valuesByKey.get(keyValue = key(value = array[i]) + \"\")) {\n values.push(value);\n } else {\n valuesByKey.set(keyValue, [value]);\n }\n }\n\n valuesByKey.each(function(values, key) {\n setResult(result, key, apply(values, depth, createResult, setResult));\n });\n\n return result;\n }\n\n function entries(map, depth) {\n if (++depth > keys.length) return map;\n var array, sortKey = sortKeys[depth - 1];\n if (rollup != null && depth >= keys.length) array = map.entries();\n else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); });\n return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array;\n }\n\n return nest = {\n object: function(array) { return apply(array, 0, createObject, setObject); },\n map: function(array) { return apply(array, 0, createMap, setMap); },\n entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); },\n key: function(d) { keys.push(d); return nest; },\n sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; },\n sortValues: function(order) { sortValues = order; return nest; },\n rollup: function(f) { rollup = f; return nest; }\n };\n}\n\nfunction createObject() {\n return {};\n}\n\nfunction setObject(object, key, value) {\n object[key] = value;\n}\n\nfunction createMap() {\n return map();\n}\n\nfunction setMap(map, key, value) {\n map.set(key, value);\n}\n","import {default as map, prefix} from \"./map\";\n\nfunction Set() {}\n\nvar proto = map.prototype;\n\nSet.prototype = set.prototype = {\n constructor: Set,\n has: proto.has,\n add: function(value) {\n value += \"\";\n this[prefix + value] = value;\n return this;\n },\n remove: proto.remove,\n clear: proto.clear,\n values: proto.keys,\n size: proto.size,\n empty: proto.empty,\n each: proto.each\n};\n\nfunction set(object, f) {\n var set = new Set;\n\n // Copy constructor.\n if (object instanceof Set) object.each(function(value) { set.add(value); });\n\n // Otherwise, assume it’s an array.\n else if (object) {\n var i = -1, n = object.length;\n if (f == null) while (++i < n) set.add(object[i]);\n else while (++i < n) set.add(f(object[i], i, object));\n }\n\n return set;\n}\n\nexport default set;\n","var array = Array.prototype;\n\nexport var slice = array.slice;\n","export default function(a, b) {\n return a - b;\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","export default function(ring, hole) {\n var i = -1, n = hole.length, c;\n while (++i < n) if (c = ringContains(ring, hole[i])) return c;\n return 0;\n}\n\nfunction ringContains(ring, point) {\n var x = point[0], y = point[1], contains = -1;\n for (var i = 0, n = ring.length, j = n - 1; i < n; j = i++) {\n var pi = ring[i], xi = pi[0], yi = pi[1], pj = ring[j], xj = pj[0], yj = pj[1];\n if (segmentContains(pi, pj, point)) return 0;\n if (((yi > y) !== (yj > y)) && ((x < (xj - xi) * (y - yi) / (yj - yi) + xi))) contains = -contains;\n }\n return contains;\n}\n\nfunction segmentContains(a, b, c) {\n var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]);\n}\n\nfunction collinear(a, b, c) {\n return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]);\n}\n\nfunction within(p, q, r) {\n return p <= q && q <= r || r <= q && q <= p;\n}\n","export default function() {}\n","import {extent, thresholdSturges, tickStep, range} from \"d3-array\";\nimport {slice} from \"./array\";\nimport ascending from \"./ascending\";\nimport area from \"./area\";\nimport constant from \"./constant\";\nimport contains from \"./contains\";\nimport noop from \"./noop\";\n\nvar cases = [\n [],\n [[[1.0, 1.5], [0.5, 1.0]]],\n [[[1.5, 1.0], [1.0, 1.5]]],\n [[[1.5, 1.0], [0.5, 1.0]]],\n [[[1.0, 0.5], [1.5, 1.0]]],\n [[[1.0, 1.5], [0.5, 1.0]], [[1.0, 0.5], [1.5, 1.0]]],\n [[[1.0, 0.5], [1.0, 1.5]]],\n [[[1.0, 0.5], [0.5, 1.0]]],\n [[[0.5, 1.0], [1.0, 0.5]]],\n [[[1.0, 1.5], [1.0, 0.5]]],\n [[[0.5, 1.0], [1.0, 0.5]], [[1.5, 1.0], [1.0, 1.5]]],\n [[[1.5, 1.0], [1.0, 0.5]]],\n [[[0.5, 1.0], [1.5, 1.0]]],\n [[[1.0, 1.5], [1.5, 1.0]]],\n [[[0.5, 1.0], [1.0, 1.5]]],\n []\n];\n\nexport default function() {\n var dx = 1,\n dy = 1,\n threshold = thresholdSturges,\n smooth = smoothLinear;\n\n function contours(values) {\n var tz = threshold(values);\n\n // Convert number of thresholds into uniform thresholds.\n if (!Array.isArray(tz)) {\n var domain = extent(values), start = domain[0], stop = domain[1];\n tz = tickStep(start, stop, tz);\n tz = range(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz);\n } else {\n tz = tz.slice().sort(ascending);\n }\n\n return tz.map(function(value) {\n return contour(values, value);\n });\n }\n\n // Accumulate, smooth contour rings, assign holes to exterior rings.\n // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js\n function contour(values, value) {\n var polygons = [],\n holes = [];\n\n isorings(values, value, function(ring) {\n smooth(ring, values, value);\n if (area(ring) > 0) polygons.push([ring]);\n else holes.push(ring);\n });\n\n holes.forEach(function(hole) {\n for (var i = 0, n = polygons.length, polygon; i < n; ++i) {\n if (contains((polygon = polygons[i])[0], hole) !== -1) {\n polygon.push(hole);\n return;\n }\n }\n });\n\n return {\n type: \"MultiPolygon\",\n value: value,\n coordinates: polygons\n };\n }\n\n // Marching squares with isolines stitched into rings.\n // Based on https://github.com/topojson/topojson-client/blob/v3.0.0/src/stitch.js\n function isorings(values, value, callback) {\n var fragmentByStart = new Array,\n fragmentByEnd = new Array,\n x, y, t0, t1, t2, t3;\n\n // Special case for the first row (y = -1, t2 = t3 = 0).\n x = y = -1;\n t1 = values[0] >= value;\n cases[t1 << 1].forEach(stitch);\n while (++x < dx - 1) {\n t0 = t1, t1 = values[x + 1] >= value;\n cases[t0 | t1 << 1].forEach(stitch);\n }\n cases[t1 << 0].forEach(stitch);\n\n // General case for the intermediate rows.\n while (++y < dy - 1) {\n x = -1;\n t1 = values[y * dx + dx] >= value;\n t2 = values[y * dx] >= value;\n cases[t1 << 1 | t2 << 2].forEach(stitch);\n while (++x < dx - 1) {\n t0 = t1, t1 = values[y * dx + dx + x + 1] >= value;\n t3 = t2, t2 = values[y * dx + x + 1] >= value;\n cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch);\n }\n cases[t1 | t2 << 3].forEach(stitch);\n }\n\n // Special case for the last row (y = dy - 1, t0 = t1 = 0).\n x = -1;\n t2 = values[y * dx] >= value;\n cases[t2 << 2].forEach(stitch);\n while (++x < dx - 1) {\n t3 = t2, t2 = values[y * dx + x + 1] >= value;\n cases[t2 << 2 | t3 << 3].forEach(stitch);\n }\n cases[t2 << 3].forEach(stitch);\n\n function stitch(line) {\n var start = [line[0][0] + x, line[0][1] + y],\n end = [line[1][0] + x, line[1][1] + y],\n startIndex = index(start),\n endIndex = index(end),\n f, g;\n if (f = fragmentByEnd[startIndex]) {\n if (g = fragmentByStart[endIndex]) {\n delete fragmentByEnd[f.end];\n delete fragmentByStart[g.start];\n if (f === g) {\n f.ring.push(end);\n callback(f.ring);\n } else {\n fragmentByStart[f.start] = fragmentByEnd[g.end] = {start: f.start, end: g.end, ring: f.ring.concat(g.ring)};\n }\n } else {\n delete fragmentByEnd[f.end];\n f.ring.push(end);\n fragmentByEnd[f.end = endIndex] = f;\n }\n } else if (f = fragmentByStart[endIndex]) {\n if (g = fragmentByEnd[startIndex]) {\n delete fragmentByStart[f.start];\n delete fragmentByEnd[g.end];\n if (f === g) {\n f.ring.push(end);\n callback(f.ring);\n } else {\n fragmentByStart[g.start] = fragmentByEnd[f.end] = {start: g.start, end: f.end, ring: g.ring.concat(f.ring)};\n }\n } else {\n delete fragmentByStart[f.start];\n f.ring.unshift(start);\n fragmentByStart[f.start = startIndex] = f;\n }\n } else {\n fragmentByStart[startIndex] = fragmentByEnd[endIndex] = {start: startIndex, end: endIndex, ring: [start, end]};\n }\n }\n }\n\n function index(point) {\n return point[0] * 2 + point[1] * (dx + 1) * 4;\n }\n\n function smoothLinear(ring, values, value) {\n ring.forEach(function(point) {\n var x = point[0],\n y = point[1],\n xt = x | 0,\n yt = y | 0,\n v0,\n v1 = values[yt * dx + xt];\n if (x > 0 && x < dx && xt === x) {\n v0 = values[yt * dx + xt - 1];\n point[0] = x + (value - v0) / (v1 - v0) - 0.5;\n }\n if (y > 0 && y < dy && yt === y) {\n v0 = values[(yt - 1) * dx + xt];\n point[1] = y + (value - v0) / (v1 - v0) - 0.5;\n }\n });\n }\n\n contours.contour = contour;\n\n contours.size = function(_) {\n if (!arguments.length) return [dx, dy];\n var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]);\n if (!(_0 > 0) || !(_1 > 0)) throw new Error(\"invalid size\");\n return dx = _0, dy = _1, contours;\n };\n\n contours.thresholds = function(_) {\n return arguments.length ? (threshold = typeof _ === \"function\" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), contours) : threshold;\n };\n\n contours.smooth = function(_) {\n return arguments.length ? (smooth = _ ? smoothLinear : noop, contours) : smooth === smoothLinear;\n };\n\n return contours;\n}\n","export default function(ring) {\n var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1];\n while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1];\n return area;\n}\n","// TODO Optimize edge cases.\n// TODO Optimize index calculation.\n// TODO Optimize arguments.\nexport function blurX(source, target, r) {\n var n = source.width,\n m = source.height,\n w = (r << 1) + 1;\n for (var j = 0; j < m; ++j) {\n for (var i = 0, sr = 0; i < n + r; ++i) {\n if (i < n) {\n sr += source.data[i + j * n];\n }\n if (i >= r) {\n if (i >= w) {\n sr -= source.data[i - w + j * n];\n }\n target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w);\n }\n }\n }\n}\n\n// TODO Optimize edge cases.\n// TODO Optimize index calculation.\n// TODO Optimize arguments.\nexport function blurY(source, target, r) {\n var n = source.width,\n m = source.height,\n w = (r << 1) + 1;\n for (var i = 0; i < n; ++i) {\n for (var j = 0, sr = 0; j < m + r; ++j) {\n if (j < m) {\n sr += source.data[i + j * n];\n }\n if (j >= r) {\n if (j >= w) {\n sr -= source.data[i + (j - w) * n];\n }\n target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w);\n }\n }\n }\n}\n","import {max, range, tickStep} from \"d3-array\";\nimport {slice} from \"./array\";\nimport {blurX, blurY} from \"./blur\";\nimport constant from \"./constant\";\nimport contours from \"./contours\";\n\nfunction defaultX(d) {\n return d[0];\n}\n\nfunction defaultY(d) {\n return d[1];\n}\n\nfunction defaultWeight() {\n return 1;\n}\n\nexport default function() {\n var x = defaultX,\n y = defaultY,\n weight = defaultWeight,\n dx = 960,\n dy = 500,\n r = 20, // blur radius\n k = 2, // log2(grid cell size)\n o = r * 3, // grid offset, to pad for blur\n n = (dx + o * 2) >> k, // grid width\n m = (dy + o * 2) >> k, // grid height\n threshold = constant(20);\n\n function density(data) {\n var values0 = new Float32Array(n * m),\n values1 = new Float32Array(n * m);\n\n data.forEach(function(d, i, data) {\n var xi = (+x(d, i, data) + o) >> k,\n yi = (+y(d, i, data) + o) >> k,\n wi = +weight(d, i, data);\n if (xi >= 0 && xi < n && yi >= 0 && yi < m) {\n values0[xi + yi * n] += wi;\n }\n });\n\n // TODO Optimize.\n blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k);\n blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k);\n blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k);\n blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k);\n blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k);\n blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k);\n\n var tz = threshold(values0);\n\n // Convert number of thresholds into uniform thresholds.\n if (!Array.isArray(tz)) {\n var stop = max(values0);\n tz = tickStep(0, stop, tz);\n tz = range(0, Math.floor(stop / tz) * tz, tz);\n tz.shift();\n }\n\n return contours()\n .thresholds(tz)\n .size([n, m])\n (values0)\n .map(transform);\n }\n\n function transform(geometry) {\n geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel.\n geometry.coordinates.forEach(transformPolygon);\n return geometry;\n }\n\n function transformPolygon(coordinates) {\n coordinates.forEach(transformRing);\n }\n\n function transformRing(coordinates) {\n coordinates.forEach(transformPoint);\n }\n\n // TODO Optimize.\n function transformPoint(coordinates) {\n coordinates[0] = coordinates[0] * Math.pow(2, k) - o;\n coordinates[1] = coordinates[1] * Math.pow(2, k) - o;\n }\n\n function resize() {\n o = r * 3;\n n = (dx + o * 2) >> k;\n m = (dy + o * 2) >> k;\n return density;\n }\n\n density.x = function(_) {\n return arguments.length ? (x = typeof _ === \"function\" ? _ : constant(+_), density) : x;\n };\n\n density.y = function(_) {\n return arguments.length ? (y = typeof _ === \"function\" ? _ : constant(+_), density) : y;\n };\n\n density.weight = function(_) {\n return arguments.length ? (weight = typeof _ === \"function\" ? _ : constant(+_), density) : weight;\n };\n\n density.size = function(_) {\n if (!arguments.length) return [dx, dy];\n var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]);\n if (!(_0 >= 0) && !(_0 >= 0)) throw new Error(\"invalid size\");\n return dx = _0, dy = _1, resize();\n };\n\n density.cellSize = function(_) {\n if (!arguments.length) return 1 << k;\n if (!((_ = +_) >= 1)) throw new Error(\"invalid cell size\");\n return k = Math.floor(Math.log(_) / Math.LN2), resize();\n };\n\n density.thresholds = function(_) {\n return arguments.length ? (threshold = typeof _ === \"function\" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), density) : threshold;\n };\n\n density.bandwidth = function(_) {\n if (!arguments.length) return Math.sqrt(r * (r + 1));\n if (!((_ = +_) >= 0)) throw new Error(\"invalid bandwidth\");\n return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize();\n };\n\n return density;\n}\n","var EOL = {},\n EOF = {},\n QUOTE = 34,\n NEWLINE = 10,\n RETURN = 13;\n\nfunction objectConverter(columns) {\n return new Function(\"d\", \"return {\" + columns.map(function(name, i) {\n return JSON.stringify(name) + \": d[\" + i + \"] || \\\"\\\"\";\n }).join(\",\") + \"}\");\n}\n\nfunction customConverter(columns, f) {\n var object = objectConverter(columns);\n return function(row, i) {\n return f(object(row), i, columns);\n };\n}\n\n// Compute unique columns in order of discovery.\nfunction inferColumns(rows) {\n var columnSet = Object.create(null),\n columns = [];\n\n rows.forEach(function(row) {\n for (var column in row) {\n if (!(column in columnSet)) {\n columns.push(columnSet[column] = column);\n }\n }\n });\n\n return columns;\n}\n\nfunction pad(value, width) {\n var s = value + \"\", length = s.length;\n return length < width ? new Array(width - length + 1).join(0) + s : s;\n}\n\nfunction formatYear(year) {\n return year < 0 ? \"-\" + pad(-year, 6)\n : year > 9999 ? \"+\" + pad(year, 6)\n : pad(year, 4);\n}\n\nfunction formatDate(date) {\n var hours = date.getUTCHours(),\n minutes = date.getUTCMinutes(),\n seconds = date.getUTCSeconds(),\n milliseconds = date.getUTCMilliseconds();\n return isNaN(date) ? \"Invalid Date\"\n : formatYear(date.getUTCFullYear(), 4) + \"-\" + pad(date.getUTCMonth() + 1, 2) + \"-\" + pad(date.getUTCDate(), 2)\n + (milliseconds ? \"T\" + pad(hours, 2) + \":\" + pad(minutes, 2) + \":\" + pad(seconds, 2) + \".\" + pad(milliseconds, 3) + \"Z\"\n : seconds ? \"T\" + pad(hours, 2) + \":\" + pad(minutes, 2) + \":\" + pad(seconds, 2) + \"Z\"\n : minutes || hours ? \"T\" + pad(hours, 2) + \":\" + pad(minutes, 2) + \"Z\"\n : \"\");\n}\n\nexport default function(delimiter) {\n var reFormat = new RegExp(\"[\\\"\" + delimiter + \"\\n\\r]\"),\n DELIMITER = delimiter.charCodeAt(0);\n\n function parse(text, f) {\n var convert, columns, rows = parseRows(text, function(row, i) {\n if (convert) return convert(row, i - 1);\n columns = row, convert = f ? customConverter(row, f) : objectConverter(row);\n });\n rows.columns = columns || [];\n return rows;\n }\n\n function parseRows(text, f) {\n var rows = [], // output rows\n N = text.length,\n I = 0, // current character index\n n = 0, // current line number\n t, // current token\n eof = N <= 0, // current token followed by EOF?\n eol = false; // current token followed by EOL?\n\n // Strip the trailing newline.\n if (text.charCodeAt(N - 1) === NEWLINE) --N;\n if (text.charCodeAt(N - 1) === RETURN) --N;\n\n function token() {\n if (eof) return EOF;\n if (eol) return eol = false, EOL;\n\n // Unescape quotes.\n var i, j = I, c;\n if (text.charCodeAt(j) === QUOTE) {\n while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE);\n if ((i = I) >= N) eof = true;\n else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true;\n else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; }\n return text.slice(j + 1, i - 1).replace(/\"\"/g, \"\\\"\");\n }\n\n // Find next delimiter or newline.\n while (I < N) {\n if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true;\n else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; }\n else if (c !== DELIMITER) continue;\n return text.slice(j, i);\n }\n\n // Return last token before EOF.\n return eof = true, text.slice(j, N);\n }\n\n while ((t = token()) !== EOF) {\n var row = [];\n while (t !== EOL && t !== EOF) row.push(t), t = token();\n if (f && (row = f(row, n++)) == null) continue;\n rows.push(row);\n }\n\n return rows;\n }\n\n function preformatBody(rows, columns) {\n return rows.map(function(row) {\n return columns.map(function(column) {\n return formatValue(row[column]);\n }).join(delimiter);\n });\n }\n\n function format(rows, columns) {\n if (columns == null) columns = inferColumns(rows);\n return [columns.map(formatValue).join(delimiter)].concat(preformatBody(rows, columns)).join(\"\\n\");\n }\n\n function formatBody(rows, columns) {\n if (columns == null) columns = inferColumns(rows);\n return preformatBody(rows, columns).join(\"\\n\");\n }\n\n function formatRows(rows) {\n return rows.map(formatRow).join(\"\\n\");\n }\n\n function formatRow(row) {\n return row.map(formatValue).join(delimiter);\n }\n\n function formatValue(value) {\n return value == null ? \"\"\n : value instanceof Date ? formatDate(value)\n : reFormat.test(value += \"\") ? \"\\\"\" + value.replace(/\"/g, \"\\\"\\\"\") + \"\\\"\"\n : value;\n }\n\n return {\n parse: parse,\n parseRows: parseRows,\n format: format,\n formatBody: formatBody,\n formatRows: formatRows,\n formatRow: formatRow,\n formatValue: formatValue\n };\n}\n","import dsv from \"./dsv.js\";\n\nvar csv = dsv(\",\");\n\nexport var csvParse = csv.parse;\nexport var csvParseRows = csv.parseRows;\nexport var csvFormat = csv.format;\nexport var csvFormatBody = csv.formatBody;\nexport var csvFormatRows = csv.formatRows;\nexport var csvFormatRow = csv.formatRow;\nexport var csvFormatValue = csv.formatValue;\n","import dsv from \"./dsv.js\";\n\nvar tsv = dsv(\"\\t\");\n\nexport var tsvParse = tsv.parse;\nexport var tsvParseRows = tsv.parseRows;\nexport var tsvFormat = tsv.format;\nexport var tsvFormatBody = tsv.formatBody;\nexport var tsvFormatRows = tsv.formatRows;\nexport var tsvFormatRow = tsv.formatRow;\nexport var tsvFormatValue = tsv.formatValue;\n","export default function autoType(object) {\n for (var key in object) {\n var value = object[key].trim(), number, m;\n if (!value) value = null;\n else if (value === \"true\") value = true;\n else if (value === \"false\") value = false;\n else if (value === \"NaN\") value = NaN;\n else if (!isNaN(number = +value)) value = number;\n else if (m = value.match(/^([-+]\\d{2})?\\d{4}(-\\d{2}(-\\d{2})?)?(T\\d{2}:\\d{2}(:\\d{2}(\\.\\d{3})?)?(Z|[-+]\\d{2}:\\d{2})?)?$/)) {\n if (fixtz && !!m[4] && !m[7]) value = value.replace(/-/g, \"/\").replace(/T/, \" \");\n value = new Date(value);\n }\n else continue;\n object[key] = value;\n }\n return object;\n}\n\n// https://github.com/d3/d3-dsv/issues/45\nvar fixtz = new Date(\"2019-01-01T00:00\").getHours() || new Date(\"2019-07-01T00:00\").getHours();","function responseBlob(response) {\n if (!response.ok) throw new Error(response.status + \" \" + response.statusText);\n return response.blob();\n}\n\nexport default function(input, init) {\n return fetch(input, init).then(responseBlob);\n}\n","function responseArrayBuffer(response) {\n if (!response.ok) throw new Error(response.status + \" \" + response.statusText);\n return response.arrayBuffer();\n}\n\nexport default function(input, init) {\n return fetch(input, init).then(responseArrayBuffer);\n}\n","function responseText(response) {\n if (!response.ok) throw new Error(response.status + \" \" + response.statusText);\n return response.text();\n}\n\nexport default function(input, init) {\n return fetch(input, init).then(responseText);\n}\n","import {csvParse, dsvFormat, tsvParse} from \"d3-dsv\";\nimport text from \"./text.js\";\n\nfunction dsvParse(parse) {\n return function(input, init, row) {\n if (arguments.length === 2 && typeof init === \"function\") row = init, init = undefined;\n return text(input, init).then(function(response) {\n return parse(response, row);\n });\n };\n}\n\nexport default function dsv(delimiter, input, init, row) {\n if (arguments.length === 3 && typeof init === \"function\") row = init, init = undefined;\n var format = dsvFormat(delimiter);\n return text(input, init).then(function(response) {\n return format.parse(response, row);\n });\n}\n\nexport var csv = dsvParse(csvParse);\nexport var tsv = dsvParse(tsvParse);\n","function responseJson(response) {\n if (!response.ok) throw new Error(response.status + \" \" + response.statusText);\n if (response.status === 204 || response.status === 205) return;\n return response.json();\n}\n\nexport default function(input, init) {\n return fetch(input, init).then(responseJson);\n}\n","import text from \"./text.js\";\n\nfunction parser(type) {\n return function(input, init) {\n return text(input, init).then(function(text) {\n return (new DOMParser).parseFromString(text, type);\n });\n };\n}\n\nexport default parser(\"application/xml\");\n\nexport var html = parser(\"text/html\");\n\nexport var svg = parser(\"image/svg+xml\");\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","export default function() {\n return (Math.random() - 0.5) * 1e-6;\n}\n","export default function(d) {\n var x = +this._x.call(null, d),\n y = +this._y.call(null, d);\n return add(this.cover(x, y), x, y, d);\n}\n\nfunction add(tree, x, y, d) {\n if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points\n\n var parent,\n node = tree._root,\n leaf = {data: d},\n x0 = tree._x0,\n y0 = tree._y0,\n x1 = tree._x1,\n y1 = tree._y1,\n xm,\n ym,\n xp,\n yp,\n right,\n bottom,\n i,\n j;\n\n // If the tree is empty, initialize the root as a leaf.\n if (!node) return tree._root = leaf, tree;\n\n // Find the existing leaf for the new point, or add it.\n while (node.length) {\n if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;\n if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;\n if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree;\n }\n\n // Is the new point is exactly coincident with the existing point?\n xp = +tree._x.call(null, node.data);\n yp = +tree._y.call(null, node.data);\n if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree;\n\n // Otherwise, split the leaf node until the old and new point are separated.\n do {\n parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4);\n if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;\n if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;\n } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm)));\n return parent[j] = node, parent[i] = leaf, tree;\n}\n\nexport function addAll(data) {\n var d, i, n = data.length,\n x,\n y,\n xz = new Array(n),\n yz = new Array(n),\n x0 = Infinity,\n y0 = Infinity,\n x1 = -Infinity,\n y1 = -Infinity;\n\n // Compute the points and their extent.\n for (i = 0; i < n; ++i) {\n if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue;\n xz[i] = x;\n yz[i] = y;\n if (x < x0) x0 = x;\n if (x > x1) x1 = x;\n if (y < y0) y0 = y;\n if (y > y1) y1 = y;\n }\n\n // If there were no (valid) points, abort.\n if (x0 > x1 || y0 > y1) return this;\n\n // Expand the tree to cover the new points.\n this.cover(x0, y0).cover(x1, y1);\n\n // Add the new points.\n for (i = 0; i < n; ++i) {\n add(this, xz[i], yz[i], data[i]);\n }\n\n return this;\n}\n","export default function(node, x0, y0, x1, y1) {\n this.node = node;\n this.x0 = x0;\n this.y0 = y0;\n this.x1 = x1;\n this.y1 = y1;\n}\n","export function defaultX(d) {\n return d[0];\n}\n\nexport default function(_) {\n return arguments.length ? (this._x = _, this) : this._x;\n}\n","export function defaultY(d) {\n return d[1];\n}\n\nexport default function(_) {\n return arguments.length ? (this._y = _, this) : this._y;\n}\n","import tree_add, {addAll as tree_addAll} from \"./add.js\";\nimport tree_cover from \"./cover.js\";\nimport tree_data from \"./data.js\";\nimport tree_extent from \"./extent.js\";\nimport tree_find from \"./find.js\";\nimport tree_remove, {removeAll as tree_removeAll} from \"./remove.js\";\nimport tree_root from \"./root.js\";\nimport tree_size from \"./size.js\";\nimport tree_visit from \"./visit.js\";\nimport tree_visitAfter from \"./visitAfter.js\";\nimport tree_x, {defaultX} from \"./x.js\";\nimport tree_y, {defaultY} from \"./y.js\";\n\nexport default function quadtree(nodes, x, y) {\n var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN);\n return nodes == null ? tree : tree.addAll(nodes);\n}\n\nfunction Quadtree(x, y, x0, y0, x1, y1) {\n this._x = x;\n this._y = y;\n this._x0 = x0;\n this._y0 = y0;\n this._x1 = x1;\n this._y1 = y1;\n this._root = undefined;\n}\n\nfunction leaf_copy(leaf) {\n var copy = {data: leaf.data}, next = copy;\n while (leaf = leaf.next) next = next.next = {data: leaf.data};\n return copy;\n}\n\nvar treeProto = quadtree.prototype = Quadtree.prototype;\n\ntreeProto.copy = function() {\n var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1),\n node = this._root,\n nodes,\n child;\n\n if (!node) return copy;\n\n if (!node.length) return copy._root = leaf_copy(node), copy;\n\n nodes = [{source: node, target: copy._root = new Array(4)}];\n while (node = nodes.pop()) {\n for (var i = 0; i < 4; ++i) {\n if (child = node.source[i]) {\n if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)});\n else node.target[i] = leaf_copy(child);\n }\n }\n }\n\n return copy;\n};\n\ntreeProto.add = tree_add;\ntreeProto.addAll = tree_addAll;\ntreeProto.cover = tree_cover;\ntreeProto.data = tree_data;\ntreeProto.extent = tree_extent;\ntreeProto.find = tree_find;\ntreeProto.remove = tree_remove;\ntreeProto.removeAll = tree_removeAll;\ntreeProto.root = tree_root;\ntreeProto.size = tree_size;\ntreeProto.visit = tree_visit;\ntreeProto.visitAfter = tree_visitAfter;\ntreeProto.x = tree_x;\ntreeProto.y = tree_y;\n","import constant from \"./constant\";\nimport jiggle from \"./jiggle\";\nimport {quadtree} from \"d3-quadtree\";\n\nfunction x(d) {\n return d.x + d.vx;\n}\n\nfunction y(d) {\n return d.y + d.vy;\n}\n\nexport default function(radius) {\n var nodes,\n radii,\n strength = 1,\n iterations = 1;\n\n if (typeof radius !== \"function\") radius = constant(radius == null ? 1 : +radius);\n\n function force() {\n var i, n = nodes.length,\n tree,\n node,\n xi,\n yi,\n ri,\n ri2;\n\n for (var k = 0; k < iterations; ++k) {\n tree = quadtree(nodes, x, y).visitAfter(prepare);\n for (i = 0; i < n; ++i) {\n node = nodes[i];\n ri = radii[node.index], ri2 = ri * ri;\n xi = node.x + node.vx;\n yi = node.y + node.vy;\n tree.visit(apply);\n }\n }\n\n function apply(quad, x0, y0, x1, y1) {\n var data = quad.data, rj = quad.r, r = ri + rj;\n if (data) {\n if (data.index > node.index) {\n var x = xi - data.x - data.vx,\n y = yi - data.y - data.vy,\n l = x * x + y * y;\n if (l < r * r) {\n if (x === 0) x = jiggle(), l += x * x;\n if (y === 0) y = jiggle(), l += y * y;\n l = (r - (l = Math.sqrt(l))) / l * strength;\n node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj));\n node.vy += (y *= l) * r;\n data.vx -= x * (r = 1 - r);\n data.vy -= y * r;\n }\n }\n return;\n }\n return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r;\n }\n }\n\n function prepare(quad) {\n if (quad.data) return quad.r = radii[quad.data.index];\n for (var i = quad.r = 0; i < 4; ++i) {\n if (quad[i] && quad[i].r > quad.r) {\n quad.r = quad[i].r;\n }\n }\n }\n\n function initialize() {\n if (!nodes) return;\n var i, n = nodes.length, node;\n radii = new Array(n);\n for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes);\n }\n\n force.initialize = function(_) {\n nodes = _;\n initialize();\n };\n\n force.iterations = function(_) {\n return arguments.length ? (iterations = +_, force) : iterations;\n };\n\n force.strength = function(_) {\n return arguments.length ? (strength = +_, force) : strength;\n };\n\n force.radius = function(_) {\n return arguments.length ? (radius = typeof _ === \"function\" ? _ : constant(+_), initialize(), force) : radius;\n };\n\n return force;\n}\n","import constant from \"./constant\";\nimport jiggle from \"./jiggle\";\nimport {map} from \"d3-collection\";\n\nfunction index(d) {\n return d.index;\n}\n\nfunction find(nodeById, nodeId) {\n var node = nodeById.get(nodeId);\n if (!node) throw new Error(\"missing: \" + nodeId);\n return node;\n}\n\nexport default function(links) {\n var id = index,\n strength = defaultStrength,\n strengths,\n distance = constant(30),\n distances,\n nodes,\n count,\n bias,\n iterations = 1;\n\n if (links == null) links = [];\n\n function defaultStrength(link) {\n return 1 / Math.min(count[link.source.index], count[link.target.index]);\n }\n\n function force(alpha) {\n for (var k = 0, n = links.length; k < iterations; ++k) {\n for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) {\n link = links[i], source = link.source, target = link.target;\n x = target.x + target.vx - source.x - source.vx || jiggle();\n y = target.y + target.vy - source.y - source.vy || jiggle();\n l = Math.sqrt(x * x + y * y);\n l = (l - distances[i]) / l * alpha * strengths[i];\n x *= l, y *= l;\n target.vx -= x * (b = bias[i]);\n target.vy -= y * b;\n source.vx += x * (b = 1 - b);\n source.vy += y * b;\n }\n }\n }\n\n function initialize() {\n if (!nodes) return;\n\n var i,\n n = nodes.length,\n m = links.length,\n nodeById = map(nodes, id),\n link;\n\n for (i = 0, count = new Array(n); i < m; ++i) {\n link = links[i], link.index = i;\n if (typeof link.source !== \"object\") link.source = find(nodeById, link.source);\n if (typeof link.target !== \"object\") link.target = find(nodeById, link.target);\n count[link.source.index] = (count[link.source.index] || 0) + 1;\n count[link.target.index] = (count[link.target.index] || 0) + 1;\n }\n\n for (i = 0, bias = new Array(m); i < m; ++i) {\n link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]);\n }\n\n strengths = new Array(m), initializeStrength();\n distances = new Array(m), initializeDistance();\n }\n\n function initializeStrength() {\n if (!nodes) return;\n\n for (var i = 0, n = links.length; i < n; ++i) {\n strengths[i] = +strength(links[i], i, links);\n }\n }\n\n function initializeDistance() {\n if (!nodes) return;\n\n for (var i = 0, n = links.length; i < n; ++i) {\n distances[i] = +distance(links[i], i, links);\n }\n }\n\n force.initialize = function(_) {\n nodes = _;\n initialize();\n };\n\n force.links = function(_) {\n return arguments.length ? (links = _, initialize(), force) : links;\n };\n\n force.id = function(_) {\n return arguments.length ? (id = _, force) : id;\n };\n\n force.iterations = function(_) {\n return arguments.length ? (iterations = +_, force) : iterations;\n };\n\n force.strength = function(_) {\n return arguments.length ? (strength = typeof _ === \"function\" ? _ : constant(+_), initializeStrength(), force) : strength;\n };\n\n force.distance = function(_) {\n return arguments.length ? (distance = typeof _ === \"function\" ? _ : constant(+_), initializeDistance(), force) : distance;\n };\n\n return force;\n}\n","import {dispatch} from \"d3-dispatch\";\nimport {map} from \"d3-collection\";\nimport {timer} from \"d3-timer\";\n\nexport function x(d) {\n return d.x;\n}\n\nexport function y(d) {\n return d.y;\n}\n\nvar initialRadius = 10,\n initialAngle = Math.PI * (3 - Math.sqrt(5));\n\nexport default function(nodes) {\n var simulation,\n alpha = 1,\n alphaMin = 0.001,\n alphaDecay = 1 - Math.pow(alphaMin, 1 / 300),\n alphaTarget = 0,\n velocityDecay = 0.6,\n forces = map(),\n stepper = timer(step),\n event = dispatch(\"tick\", \"end\");\n\n if (nodes == null) nodes = [];\n\n function step() {\n tick();\n event.call(\"tick\", simulation);\n if (alpha < alphaMin) {\n stepper.stop();\n event.call(\"end\", simulation);\n }\n }\n\n function tick(iterations) {\n var i, n = nodes.length, node;\n\n if (iterations === undefined) iterations = 1;\n\n for (var k = 0; k < iterations; ++k) {\n alpha += (alphaTarget - alpha) * alphaDecay;\n\n forces.each(function (force) {\n force(alpha);\n });\n\n for (i = 0; i < n; ++i) {\n node = nodes[i];\n if (node.fx == null) node.x += node.vx *= velocityDecay;\n else node.x = node.fx, node.vx = 0;\n if (node.fy == null) node.y += node.vy *= velocityDecay;\n else node.y = node.fy, node.vy = 0;\n }\n }\n\n return simulation;\n }\n\n function initializeNodes() {\n for (var i = 0, n = nodes.length, node; i < n; ++i) {\n node = nodes[i], node.index = i;\n if (node.fx != null) node.x = node.fx;\n if (node.fy != null) node.y = node.fy;\n if (isNaN(node.x) || isNaN(node.y)) {\n var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle;\n node.x = radius * Math.cos(angle);\n node.y = radius * Math.sin(angle);\n }\n if (isNaN(node.vx) || isNaN(node.vy)) {\n node.vx = node.vy = 0;\n }\n }\n }\n\n function initializeForce(force) {\n if (force.initialize) force.initialize(nodes);\n return force;\n }\n\n initializeNodes();\n\n return simulation = {\n tick: tick,\n\n restart: function() {\n return stepper.restart(step), simulation;\n },\n\n stop: function() {\n return stepper.stop(), simulation;\n },\n\n nodes: function(_) {\n return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes;\n },\n\n alpha: function(_) {\n return arguments.length ? (alpha = +_, simulation) : alpha;\n },\n\n alphaMin: function(_) {\n return arguments.length ? (alphaMin = +_, simulation) : alphaMin;\n },\n\n alphaDecay: function(_) {\n return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay;\n },\n\n alphaTarget: function(_) {\n return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget;\n },\n\n velocityDecay: function(_) {\n return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay;\n },\n\n force: function(name, _) {\n return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name);\n },\n\n find: function(x, y, radius) {\n var i = 0,\n n = nodes.length,\n dx,\n dy,\n d2,\n node,\n closest;\n\n if (radius == null) radius = Infinity;\n else radius *= radius;\n\n for (i = 0; i < n; ++i) {\n node = nodes[i];\n dx = x - node.x;\n dy = y - node.y;\n d2 = dx * dx + dy * dy;\n if (d2 < radius) closest = node, radius = d2;\n }\n\n return closest;\n },\n\n on: function(name, _) {\n return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name);\n }\n };\n}\n","export default function(x, y) {\n if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points\n\n var x0 = this._x0,\n y0 = this._y0,\n x1 = this._x1,\n y1 = this._y1;\n\n // If the quadtree has no extent, initialize them.\n // Integer extent are necessary so that if we later double the extent,\n // the existing quadrant boundaries don’t change due to floating point error!\n if (isNaN(x0)) {\n x1 = (x0 = Math.floor(x)) + 1;\n y1 = (y0 = Math.floor(y)) + 1;\n }\n\n // Otherwise, double repeatedly to cover.\n else {\n var z = x1 - x0,\n node = this._root,\n parent,\n i;\n\n while (x0 > x || x >= x1 || y0 > y || y >= y1) {\n i = (y < y0) << 1 | (x < x0);\n parent = new Array(4), parent[i] = node, node = parent, z *= 2;\n switch (i) {\n case 0: x1 = x0 + z, y1 = y0 + z; break;\n case 1: x0 = x1 - z, y1 = y0 + z; break;\n case 2: x1 = x0 + z, y0 = y1 - z; break;\n case 3: x0 = x1 - z, y0 = y1 - z; break;\n }\n }\n\n if (this._root && this._root.length) this._root = node;\n }\n\n this._x0 = x0;\n this._y0 = y0;\n this._x1 = x1;\n this._y1 = y1;\n return this;\n}\n","export default function() {\n var data = [];\n this.visit(function(node) {\n if (!node.length) do data.push(node.data); while (node = node.next)\n });\n return data;\n}\n","export default function(_) {\n return arguments.length\n ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1])\n : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]];\n}\n","import Quad from \"./quad.js\";\n\nexport default function(x, y, radius) {\n var data,\n x0 = this._x0,\n y0 = this._y0,\n x1,\n y1,\n x2,\n y2,\n x3 = this._x1,\n y3 = this._y1,\n quads = [],\n node = this._root,\n q,\n i;\n\n if (node) quads.push(new Quad(node, x0, y0, x3, y3));\n if (radius == null) radius = Infinity;\n else {\n x0 = x - radius, y0 = y - radius;\n x3 = x + radius, y3 = y + radius;\n radius *= radius;\n }\n\n while (q = quads.pop()) {\n\n // Stop searching if this quadrant can’t contain a closer node.\n if (!(node = q.node)\n || (x1 = q.x0) > x3\n || (y1 = q.y0) > y3\n || (x2 = q.x1) < x0\n || (y2 = q.y1) < y0) continue;\n\n // Bisect the current quadrant.\n if (node.length) {\n var xm = (x1 + x2) / 2,\n ym = (y1 + y2) / 2;\n\n quads.push(\n new Quad(node[3], xm, ym, x2, y2),\n new Quad(node[2], x1, ym, xm, y2),\n new Quad(node[1], xm, y1, x2, ym),\n new Quad(node[0], x1, y1, xm, ym)\n );\n\n // Visit the closest quadrant first.\n if (i = (y >= ym) << 1 | (x >= xm)) {\n q = quads[quads.length - 1];\n quads[quads.length - 1] = quads[quads.length - 1 - i];\n quads[quads.length - 1 - i] = q;\n }\n }\n\n // Visit this point. (Visiting coincident points isn’t necessary!)\n else {\n var dx = x - +this._x.call(null, node.data),\n dy = y - +this._y.call(null, node.data),\n d2 = dx * dx + dy * dy;\n if (d2 < radius) {\n var d = Math.sqrt(radius = d2);\n x0 = x - d, y0 = y - d;\n x3 = x + d, y3 = y + d;\n data = node.data;\n }\n }\n }\n\n return data;\n}\n","export default function(d) {\n if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points\n\n var parent,\n node = this._root,\n retainer,\n previous,\n next,\n x0 = this._x0,\n y0 = this._y0,\n x1 = this._x1,\n y1 = this._y1,\n x,\n y,\n xm,\n ym,\n right,\n bottom,\n i,\n j;\n\n // If the tree is empty, initialize the root as a leaf.\n if (!node) return this;\n\n // Find the leaf node for the point.\n // While descending, also retain the deepest parent with a non-removed sibling.\n if (node.length) while (true) {\n if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;\n if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;\n if (!(parent = node, node = node[i = bottom << 1 | right])) return this;\n if (!node.length) break;\n if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i;\n }\n\n // Find the point to remove.\n while (node.data !== d) if (!(previous = node, node = node.next)) return this;\n if (next = node.next) delete node.next;\n\n // If there are multiple coincident points, remove just the point.\n if (previous) return (next ? previous.next = next : delete previous.next), this;\n\n // If this is the root point, remove it.\n if (!parent) return this._root = next, this;\n\n // Remove this leaf.\n next ? parent[i] = next : delete parent[i];\n\n // If the parent now contains exactly one leaf, collapse superfluous parents.\n if ((node = parent[0] || parent[1] || parent[2] || parent[3])\n && node === (parent[3] || parent[2] || parent[1] || parent[0])\n && !node.length) {\n if (retainer) retainer[j] = node;\n else this._root = node;\n }\n\n return this;\n}\n\nexport function removeAll(data) {\n for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]);\n return this;\n}\n","export default function() {\n return this._root;\n}\n","export default function() {\n var size = 0;\n this.visit(function(node) {\n if (!node.length) do ++size; while (node = node.next)\n });\n return size;\n}\n","import Quad from \"./quad.js\";\n\nexport default function(callback) {\n var quads = [], q, node = this._root, child, x0, y0, x1, y1;\n if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1));\n while (q = quads.pop()) {\n if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) {\n var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2;\n if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1));\n if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1));\n if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym));\n if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym));\n }\n }\n return this;\n}\n","import Quad from \"./quad.js\";\n\nexport default function(callback) {\n var quads = [], next = [], q;\n if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1));\n while (q = quads.pop()) {\n var node = q.node;\n if (node.length) {\n var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2;\n if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym));\n if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym));\n if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1));\n if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1));\n }\n next.push(q);\n }\n while (q = next.pop()) {\n callback(q.node, q.x0, q.y0, q.x1, q.y1);\n }\n return this;\n}\n","export default function(x) {\n return Math.abs(x = Math.round(x)) >= 1e21\n ? x.toLocaleString(\"en\").replace(/,/g, \"\")\n : x.toString(10);\n}\n\n// Computes the decimal coefficient and exponent of the specified number x with\n// significant digits p, where x is positive and p is in [1, 21] or undefined.\n// For example, formatDecimalParts(1.23) returns [\"123\", 0].\nexport function formatDecimalParts(x, p) {\n if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf(\"e\")) < 0) return null; // NaN, ±Infinity\n var i, coefficient = x.slice(0, i);\n\n // The string returned by toExponential either has the form \\d\\.\\d+e[-+]\\d+\n // (e.g., 1.2e+3) or the form \\de[-+]\\d+ (e.g., 1e+3).\n return [\n coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient,\n +x.slice(i + 1)\n ];\n}\n","import {formatDecimalParts} from \"./formatDecimal.js\";\n\nexport default function(x) {\n return x = formatDecimalParts(Math.abs(x)), x ? x[1] : NaN;\n}\n","// [[fill]align][sign][symbol][0][width][,][.precision][~][type]\nvar re = /^(?:(.)?([<>=^]))?([+\\-( ])?([$#])?(0)?(\\d+)?(,)?(\\.\\d+)?(~)?([a-z%])?$/i;\n\nexport default function formatSpecifier(specifier) {\n if (!(match = re.exec(specifier))) throw new Error(\"invalid format: \" + specifier);\n var match;\n return new FormatSpecifier({\n fill: match[1],\n align: match[2],\n sign: match[3],\n symbol: match[4],\n zero: match[5],\n width: match[6],\n comma: match[7],\n precision: match[8] && match[8].slice(1),\n trim: match[9],\n type: match[10]\n });\n}\n\nformatSpecifier.prototype = FormatSpecifier.prototype; // instanceof\n\nexport function FormatSpecifier(specifier) {\n this.fill = specifier.fill === undefined ? \" \" : specifier.fill + \"\";\n this.align = specifier.align === undefined ? \">\" : specifier.align + \"\";\n this.sign = specifier.sign === undefined ? \"-\" : specifier.sign + \"\";\n this.symbol = specifier.symbol === undefined ? \"\" : specifier.symbol + \"\";\n this.zero = !!specifier.zero;\n this.width = specifier.width === undefined ? undefined : +specifier.width;\n this.comma = !!specifier.comma;\n this.precision = specifier.precision === undefined ? undefined : +specifier.precision;\n this.trim = !!specifier.trim;\n this.type = specifier.type === undefined ? \"\" : specifier.type + \"\";\n}\n\nFormatSpecifier.prototype.toString = function() {\n return this.fill\n + this.align\n + this.sign\n + this.symbol\n + (this.zero ? \"0\" : \"\")\n + (this.width === undefined ? \"\" : Math.max(1, this.width | 0))\n + (this.comma ? \",\" : \"\")\n + (this.precision === undefined ? \"\" : \".\" + Math.max(0, this.precision | 0))\n + (this.trim ? \"~\" : \"\")\n + this.type;\n};\n","import {formatDecimalParts} from \"./formatDecimal.js\";\n\nexport var prefixExponent;\n\nexport default function(x, p) {\n var d = formatDecimalParts(x, p);\n if (!d) return x + \"\";\n var coefficient = d[0],\n exponent = d[1],\n i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1,\n n = coefficient.length;\n return i === n ? coefficient\n : i > n ? coefficient + new Array(i - n + 1).join(\"0\")\n : i > 0 ? coefficient.slice(0, i) + \".\" + coefficient.slice(i)\n : \"0.\" + new Array(1 - i).join(\"0\") + formatDecimalParts(x, Math.max(0, p + i - 1))[0]; // less than 1y!\n}\n","import {formatDecimalParts} from \"./formatDecimal.js\";\n\nexport default function(x, p) {\n var d = formatDecimalParts(x, p);\n if (!d) return x + \"\";\n var coefficient = d[0],\n exponent = d[1];\n return exponent < 0 ? \"0.\" + new Array(-exponent).join(\"0\") + coefficient\n : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + \".\" + coefficient.slice(exponent + 1)\n : coefficient + new Array(exponent - coefficient.length + 2).join(\"0\");\n}\n","import formatDecimal from \"./formatDecimal.js\";\nimport formatPrefixAuto from \"./formatPrefixAuto.js\";\nimport formatRounded from \"./formatRounded.js\";\n\nexport default {\n \"%\": function(x, p) { return (x * 100).toFixed(p); },\n \"b\": function(x) { return Math.round(x).toString(2); },\n \"c\": function(x) { return x + \"\"; },\n \"d\": formatDecimal,\n \"e\": function(x, p) { return x.toExponential(p); },\n \"f\": function(x, p) { return x.toFixed(p); },\n \"g\": function(x, p) { return x.toPrecision(p); },\n \"o\": function(x) { return Math.round(x).toString(8); },\n \"p\": function(x, p) { return formatRounded(x * 100, p); },\n \"r\": formatRounded,\n \"s\": formatPrefixAuto,\n \"X\": function(x) { return Math.round(x).toString(16).toUpperCase(); },\n \"x\": function(x) { return Math.round(x).toString(16); }\n};\n","export default function(x) {\n return x;\n}\n","import exponent from \"./exponent.js\";\nimport formatGroup from \"./formatGroup.js\";\nimport formatNumerals from \"./formatNumerals.js\";\nimport formatSpecifier from \"./formatSpecifier.js\";\nimport formatTrim from \"./formatTrim.js\";\nimport formatTypes from \"./formatTypes.js\";\nimport {prefixExponent} from \"./formatPrefixAuto.js\";\nimport identity from \"./identity.js\";\n\nvar map = Array.prototype.map,\n prefixes = [\"y\",\"z\",\"a\",\"f\",\"p\",\"n\",\"µ\",\"m\",\"\",\"k\",\"M\",\"G\",\"T\",\"P\",\"E\",\"Z\",\"Y\"];\n\nexport default function(locale) {\n var group = locale.grouping === undefined || locale.thousands === undefined ? identity : formatGroup(map.call(locale.grouping, Number), locale.thousands + \"\"),\n currencyPrefix = locale.currency === undefined ? \"\" : locale.currency[0] + \"\",\n currencySuffix = locale.currency === undefined ? \"\" : locale.currency[1] + \"\",\n decimal = locale.decimal === undefined ? \".\" : locale.decimal + \"\",\n numerals = locale.numerals === undefined ? identity : formatNumerals(map.call(locale.numerals, String)),\n percent = locale.percent === undefined ? \"%\" : locale.percent + \"\",\n minus = locale.minus === undefined ? \"-\" : locale.minus + \"\",\n nan = locale.nan === undefined ? \"NaN\" : locale.nan + \"\";\n\n function newFormat(specifier) {\n specifier = formatSpecifier(specifier);\n\n var fill = specifier.fill,\n align = specifier.align,\n sign = specifier.sign,\n symbol = specifier.symbol,\n zero = specifier.zero,\n width = specifier.width,\n comma = specifier.comma,\n precision = specifier.precision,\n trim = specifier.trim,\n type = specifier.type;\n\n // The \"n\" type is an alias for \",g\".\n if (type === \"n\") comma = true, type = \"g\";\n\n // The \"\" type, and any invalid type, is an alias for \".12~g\".\n else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = \"g\";\n\n // If zero fill is specified, padding goes after sign and before digits.\n if (zero || (fill === \"0\" && align === \"=\")) zero = true, fill = \"0\", align = \"=\";\n\n // Compute the prefix and suffix.\n // For SI-prefix, the suffix is lazily computed.\n var prefix = symbol === \"$\" ? currencyPrefix : symbol === \"#\" && /[boxX]/.test(type) ? \"0\" + type.toLowerCase() : \"\",\n suffix = symbol === \"$\" ? currencySuffix : /[%p]/.test(type) ? percent : \"\";\n\n // What format function should we use?\n // Is this an integer type?\n // Can this type generate exponential notation?\n var formatType = formatTypes[type],\n maybeSuffix = /[defgprs%]/.test(type);\n\n // Set the default precision if not specified,\n // or clamp the specified precision to the supported range.\n // For significant precision, it must be in [1, 21].\n // For fixed precision, it must be in [0, 20].\n precision = precision === undefined ? 6\n : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision))\n : Math.max(0, Math.min(20, precision));\n\n function format(value) {\n var valuePrefix = prefix,\n valueSuffix = suffix,\n i, n, c;\n\n if (type === \"c\") {\n valueSuffix = formatType(value) + valueSuffix;\n value = \"\";\n } else {\n value = +value;\n\n // Determine the sign. -0 is not less than 0, but 1 / -0 is!\n var valueNegative = value < 0 || 1 / value < 0;\n\n // Perform the initial formatting.\n value = isNaN(value) ? nan : formatType(Math.abs(value), precision);\n\n // Trim insignificant zeros.\n if (trim) value = formatTrim(value);\n\n // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign.\n if (valueNegative && +value === 0 && sign !== \"+\") valueNegative = false;\n\n // Compute the prefix and suffix.\n valuePrefix = (valueNegative ? (sign === \"(\" ? sign : minus) : sign === \"-\" || sign === \"(\" ? \"\" : sign) + valuePrefix;\n valueSuffix = (type === \"s\" ? prefixes[8 + prefixExponent / 3] : \"\") + valueSuffix + (valueNegative && sign === \"(\" ? \")\" : \"\");\n\n // Break the formatted value into the integer “value” part that can be\n // grouped, and fractional or exponential “suffix” part that is not.\n if (maybeSuffix) {\n i = -1, n = value.length;\n while (++i < n) {\n if (c = value.charCodeAt(i), 48 > c || c > 57) {\n valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix;\n value = value.slice(0, i);\n break;\n }\n }\n }\n }\n\n // If the fill character is not \"0\", grouping is applied before padding.\n if (comma && !zero) value = group(value, Infinity);\n\n // Compute the padding.\n var length = valuePrefix.length + value.length + valueSuffix.length,\n padding = length < width ? new Array(width - length + 1).join(fill) : \"\";\n\n // If the fill character is \"0\", grouping is applied after padding.\n if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = \"\";\n\n // Reconstruct the final output based on the desired alignment.\n switch (align) {\n case \"<\": value = valuePrefix + value + valueSuffix + padding; break;\n case \"=\": value = valuePrefix + padding + value + valueSuffix; break;\n case \"^\": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break;\n default: value = padding + valuePrefix + value + valueSuffix; break;\n }\n\n return numerals(value);\n }\n\n format.toString = function() {\n return specifier + \"\";\n };\n\n return format;\n }\n\n function formatPrefix(specifier, value) {\n var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = \"f\", specifier)),\n e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3,\n k = Math.pow(10, -e),\n prefix = prefixes[8 + e / 3];\n return function(value) {\n return f(k * value) + prefix;\n };\n }\n\n return {\n format: newFormat,\n formatPrefix: formatPrefix\n };\n}\n","import formatLocale from \"./locale.js\";\n\nvar locale;\nexport var format;\nexport var formatPrefix;\n\ndefaultLocale({\n decimal: \".\",\n thousands: \",\",\n grouping: [3],\n currency: [\"$\", \"\"],\n minus: \"-\"\n});\n\nexport default function defaultLocale(definition) {\n locale = formatLocale(definition);\n format = locale.format;\n formatPrefix = locale.formatPrefix;\n return locale;\n}\n","export default function(grouping, thousands) {\n return function(value, width) {\n var i = value.length,\n t = [],\n j = 0,\n g = grouping[0],\n length = 0;\n\n while (i > 0 && g > 0) {\n if (length + g + 1 > width) g = Math.max(1, width - length);\n t.push(value.substring(i -= g, i + g));\n if ((length += g + 1) > width) break;\n g = grouping[j = (j + 1) % grouping.length];\n }\n\n return t.reverse().join(thousands);\n };\n}\n","export default function(numerals) {\n return function(value) {\n return value.replace(/[0-9]/g, function(i) {\n return numerals[+i];\n });\n };\n}\n","// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k.\nexport default function(s) {\n out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) {\n switch (s[i]) {\n case \".\": i0 = i1 = i; break;\n case \"0\": if (i0 === 0) i0 = i; i1 = i; break;\n default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break;\n }\n }\n return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s;\n}\n","import exponent from \"./exponent.js\";\n\nexport default function(step) {\n return Math.max(0, -exponent(Math.abs(step)));\n}\n","import exponent from \"./exponent.js\";\n\nexport default function(step, value) {\n return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step)));\n}\n","import exponent from \"./exponent.js\";\n\nexport default function(step, max) {\n step = Math.abs(step), max = Math.abs(max) - step;\n return Math.max(0, exponent(max) - exponent(step)) + 1;\n}\n","// Adds floating point numbers with twice the normal precision.\n// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and\n// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3)\n// 305–363 (1997).\n// Code adapted from GeographicLib by Charles F. F. Karney,\n// http://geographiclib.sourceforge.net/\n\nexport default function() {\n return new Adder;\n}\n\nfunction Adder() {\n this.reset();\n}\n\nAdder.prototype = {\n constructor: Adder,\n reset: function() {\n this.s = // rounded value\n this.t = 0; // exact error\n },\n add: function(y) {\n add(temp, y, this.t);\n add(this, temp.s, this.s);\n if (this.s) this.t += temp.t;\n else this.s = temp.t;\n },\n valueOf: function() {\n return this.s;\n }\n};\n\nvar temp = new Adder;\n\nfunction add(adder, a, b) {\n var x = adder.s = a + b,\n bv = x - a,\n av = x - bv;\n adder.t = (a - av) + (b - bv);\n}\n","export var epsilon = 1e-6;\nexport var epsilon2 = 1e-12;\nexport var pi = Math.PI;\nexport var halfPi = pi / 2;\nexport var quarterPi = pi / 4;\nexport var tau = pi * 2;\n\nexport var degrees = 180 / pi;\nexport var radians = pi / 180;\n\nexport var abs = Math.abs;\nexport var atan = Math.atan;\nexport var atan2 = Math.atan2;\nexport var cos = Math.cos;\nexport var ceil = Math.ceil;\nexport var exp = Math.exp;\nexport var floor = Math.floor;\nexport var log = Math.log;\nexport var pow = Math.pow;\nexport var sin = Math.sin;\nexport var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; };\nexport var sqrt = Math.sqrt;\nexport var tan = Math.tan;\n\nexport function acos(x) {\n return x > 1 ? 0 : x < -1 ? pi : Math.acos(x);\n}\n\nexport function asin(x) {\n return x > 1 ? halfPi : x < -1 ? -halfPi : Math.asin(x);\n}\n\nexport function haversin(x) {\n return (x = sin(x / 2)) * x;\n}\n","export default function noop() {}\n","function streamGeometry(geometry, stream) {\n if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) {\n streamGeometryType[geometry.type](geometry, stream);\n }\n}\n\nvar streamObjectType = {\n Feature: function(object, stream) {\n streamGeometry(object.geometry, stream);\n },\n FeatureCollection: function(object, stream) {\n var features = object.features, i = -1, n = features.length;\n while (++i < n) streamGeometry(features[i].geometry, stream);\n }\n};\n\nvar streamGeometryType = {\n Sphere: function(object, stream) {\n stream.sphere();\n },\n Point: function(object, stream) {\n object = object.coordinates;\n stream.point(object[0], object[1], object[2]);\n },\n MultiPoint: function(object, stream) {\n var coordinates = object.coordinates, i = -1, n = coordinates.length;\n while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]);\n },\n LineString: function(object, stream) {\n streamLine(object.coordinates, stream, 0);\n },\n MultiLineString: function(object, stream) {\n var coordinates = object.coordinates, i = -1, n = coordinates.length;\n while (++i < n) streamLine(coordinates[i], stream, 0);\n },\n Polygon: function(object, stream) {\n streamPolygon(object.coordinates, stream);\n },\n MultiPolygon: function(object, stream) {\n var coordinates = object.coordinates, i = -1, n = coordinates.length;\n while (++i < n) streamPolygon(coordinates[i], stream);\n },\n GeometryCollection: function(object, stream) {\n var geometries = object.geometries, i = -1, n = geometries.length;\n while (++i < n) streamGeometry(geometries[i], stream);\n }\n};\n\nfunction streamLine(coordinates, stream, closed) {\n var i = -1, n = coordinates.length - closed, coordinate;\n stream.lineStart();\n while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]);\n stream.lineEnd();\n}\n\nfunction streamPolygon(coordinates, stream) {\n var i = -1, n = coordinates.length;\n stream.polygonStart();\n while (++i < n) streamLine(coordinates[i], stream, 1);\n stream.polygonEnd();\n}\n\nexport default function(object, stream) {\n if (object && streamObjectType.hasOwnProperty(object.type)) {\n streamObjectType[object.type](object, stream);\n } else {\n streamGeometry(object, stream);\n }\n}\n","import adder from \"./adder\";\nimport {atan2, cos, quarterPi, radians, sin, tau} from \"./math\";\nimport noop from \"./noop\";\nimport stream from \"./stream\";\n\nexport var areaRingSum = adder();\n\nvar areaSum = adder(),\n lambda00,\n phi00,\n lambda0,\n cosPhi0,\n sinPhi0;\n\nexport var areaStream = {\n point: noop,\n lineStart: noop,\n lineEnd: noop,\n polygonStart: function() {\n areaRingSum.reset();\n areaStream.lineStart = areaRingStart;\n areaStream.lineEnd = areaRingEnd;\n },\n polygonEnd: function() {\n var areaRing = +areaRingSum;\n areaSum.add(areaRing < 0 ? tau + areaRing : areaRing);\n this.lineStart = this.lineEnd = this.point = noop;\n },\n sphere: function() {\n areaSum.add(tau);\n }\n};\n\nfunction areaRingStart() {\n areaStream.point = areaPointFirst;\n}\n\nfunction areaRingEnd() {\n areaPoint(lambda00, phi00);\n}\n\nfunction areaPointFirst(lambda, phi) {\n areaStream.point = areaPoint;\n lambda00 = lambda, phi00 = phi;\n lambda *= radians, phi *= radians;\n lambda0 = lambda, cosPhi0 = cos(phi = phi / 2 + quarterPi), sinPhi0 = sin(phi);\n}\n\nfunction areaPoint(lambda, phi) {\n lambda *= radians, phi *= radians;\n phi = phi / 2 + quarterPi; // half the angular distance from south pole\n\n // Spherical excess E for a spherical triangle with vertices: south pole,\n // previous point, current point. Uses a formula derived from Cagnoli’s\n // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2).\n var dLambda = lambda - lambda0,\n sdLambda = dLambda >= 0 ? 1 : -1,\n adLambda = sdLambda * dLambda,\n cosPhi = cos(phi),\n sinPhi = sin(phi),\n k = sinPhi0 * sinPhi,\n u = cosPhi0 * cosPhi + k * cos(adLambda),\n v = k * sdLambda * sin(adLambda);\n areaRingSum.add(atan2(v, u));\n\n // Advance the previous points.\n lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi;\n}\n\nexport default function(object) {\n areaSum.reset();\n stream(object, areaStream);\n return areaSum * 2;\n}\n","import {asin, atan2, cos, sin, sqrt} from \"./math\";\n\nexport function spherical(cartesian) {\n return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])];\n}\n\nexport function cartesian(spherical) {\n var lambda = spherical[0], phi = spherical[1], cosPhi = cos(phi);\n return [cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)];\n}\n\nexport function cartesianDot(a, b) {\n return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];\n}\n\nexport function cartesianCross(a, b) {\n return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]];\n}\n\n// TODO return a\nexport function cartesianAddInPlace(a, b) {\n a[0] += b[0], a[1] += b[1], a[2] += b[2];\n}\n\nexport function cartesianScale(vector, k) {\n return [vector[0] * k, vector[1] * k, vector[2] * k];\n}\n\n// TODO return d\nexport function cartesianNormalizeInPlace(d) {\n var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);\n d[0] /= l, d[1] /= l, d[2] /= l;\n}\n","import adder from \"./adder\";\nimport {areaStream, areaRingSum} from \"./area\";\nimport {cartesian, cartesianCross, cartesianNormalizeInPlace, spherical} from \"./cartesian\";\nimport {abs, degrees, epsilon, radians} from \"./math\";\nimport stream from \"./stream\";\n\nvar lambda0, phi0, lambda1, phi1, // bounds\n lambda2, // previous lambda-coordinate\n lambda00, phi00, // first point\n p0, // previous 3D point\n deltaSum = adder(),\n ranges,\n range;\n\nvar boundsStream = {\n point: boundsPoint,\n lineStart: boundsLineStart,\n lineEnd: boundsLineEnd,\n polygonStart: function() {\n boundsStream.point = boundsRingPoint;\n boundsStream.lineStart = boundsRingStart;\n boundsStream.lineEnd = boundsRingEnd;\n deltaSum.reset();\n areaStream.polygonStart();\n },\n polygonEnd: function() {\n areaStream.polygonEnd();\n boundsStream.point = boundsPoint;\n boundsStream.lineStart = boundsLineStart;\n boundsStream.lineEnd = boundsLineEnd;\n if (areaRingSum < 0) lambda0 = -(lambda1 = 180), phi0 = -(phi1 = 90);\n else if (deltaSum > epsilon) phi1 = 90;\n else if (deltaSum < -epsilon) phi0 = -90;\n range[0] = lambda0, range[1] = lambda1;\n }\n};\n\nfunction boundsPoint(lambda, phi) {\n ranges.push(range = [lambda0 = lambda, lambda1 = lambda]);\n if (phi < phi0) phi0 = phi;\n if (phi > phi1) phi1 = phi;\n}\n\nfunction linePoint(lambda, phi) {\n var p = cartesian([lambda * radians, phi * radians]);\n if (p0) {\n var normal = cartesianCross(p0, p),\n equatorial = [normal[1], -normal[0], 0],\n inflection = cartesianCross(equatorial, normal);\n cartesianNormalizeInPlace(inflection);\n inflection = spherical(inflection);\n var delta = lambda - lambda2,\n sign = delta > 0 ? 1 : -1,\n lambdai = inflection[0] * degrees * sign,\n phii,\n antimeridian = abs(delta) > 180;\n if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) {\n phii = inflection[1] * degrees;\n if (phii > phi1) phi1 = phii;\n } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) {\n phii = -inflection[1] * degrees;\n if (phii < phi0) phi0 = phii;\n } else {\n if (phi < phi0) phi0 = phi;\n if (phi > phi1) phi1 = phi;\n }\n if (antimeridian) {\n if (lambda < lambda2) {\n if (angle(lambda0, lambda) > angle(lambda0, lambda1)) lambda1 = lambda;\n } else {\n if (angle(lambda, lambda1) > angle(lambda0, lambda1)) lambda0 = lambda;\n }\n } else {\n if (lambda1 >= lambda0) {\n if (lambda < lambda0) lambda0 = lambda;\n if (lambda > lambda1) lambda1 = lambda;\n } else {\n if (lambda > lambda2) {\n if (angle(lambda0, lambda) > angle(lambda0, lambda1)) lambda1 = lambda;\n } else {\n if (angle(lambda, lambda1) > angle(lambda0, lambda1)) lambda0 = lambda;\n }\n }\n }\n } else {\n ranges.push(range = [lambda0 = lambda, lambda1 = lambda]);\n }\n if (phi < phi0) phi0 = phi;\n if (phi > phi1) phi1 = phi;\n p0 = p, lambda2 = lambda;\n}\n\nfunction boundsLineStart() {\n boundsStream.point = linePoint;\n}\n\nfunction boundsLineEnd() {\n range[0] = lambda0, range[1] = lambda1;\n boundsStream.point = boundsPoint;\n p0 = null;\n}\n\nfunction boundsRingPoint(lambda, phi) {\n if (p0) {\n var delta = lambda - lambda2;\n deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta);\n } else {\n lambda00 = lambda, phi00 = phi;\n }\n areaStream.point(lambda, phi);\n linePoint(lambda, phi);\n}\n\nfunction boundsRingStart() {\n areaStream.lineStart();\n}\n\nfunction boundsRingEnd() {\n boundsRingPoint(lambda00, phi00);\n areaStream.lineEnd();\n if (abs(deltaSum) > epsilon) lambda0 = -(lambda1 = 180);\n range[0] = lambda0, range[1] = lambda1;\n p0 = null;\n}\n\n// Finds the left-right distance between two longitudes.\n// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want\n// the distance between ±180° to be 360°.\nfunction angle(lambda0, lambda1) {\n return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1;\n}\n\nfunction rangeCompare(a, b) {\n return a[0] - b[0];\n}\n\nfunction rangeContains(range, x) {\n return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;\n}\n\nexport default function(feature) {\n var i, n, a, b, merged, deltaMax, delta;\n\n phi1 = lambda1 = -(lambda0 = phi0 = Infinity);\n ranges = [];\n stream(feature, boundsStream);\n\n // First, sort ranges by their minimum longitudes.\n if (n = ranges.length) {\n ranges.sort(rangeCompare);\n\n // Then, merge any ranges that overlap.\n for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) {\n b = ranges[i];\n if (rangeContains(a, b[0]) || rangeContains(a, b[1])) {\n if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];\n if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];\n } else {\n merged.push(a = b);\n }\n }\n\n // Finally, find the largest gap between the merged ranges.\n // The final bounding box will be the inverse of this gap.\n for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) {\n b = merged[i];\n if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0 = b[0], lambda1 = a[1];\n }\n }\n\n ranges = range = null;\n\n return lambda0 === Infinity || phi0 === Infinity\n ? [[NaN, NaN], [NaN, NaN]]\n : [[lambda0, phi0], [lambda1, phi1]];\n}\n","import {asin, atan2, cos, degrees, epsilon, epsilon2, radians, sin, sqrt} from \"./math\";\nimport noop from \"./noop\";\nimport stream from \"./stream\";\n\nvar W0, W1,\n X0, Y0, Z0,\n X1, Y1, Z1,\n X2, Y2, Z2,\n lambda00, phi00, // first point\n x0, y0, z0; // previous point\n\nvar centroidStream = {\n sphere: noop,\n point: centroidPoint,\n lineStart: centroidLineStart,\n lineEnd: centroidLineEnd,\n polygonStart: function() {\n centroidStream.lineStart = centroidRingStart;\n centroidStream.lineEnd = centroidRingEnd;\n },\n polygonEnd: function() {\n centroidStream.lineStart = centroidLineStart;\n centroidStream.lineEnd = centroidLineEnd;\n }\n};\n\n// Arithmetic mean of Cartesian vectors.\nfunction centroidPoint(lambda, phi) {\n lambda *= radians, phi *= radians;\n var cosPhi = cos(phi);\n centroidPointCartesian(cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi));\n}\n\nfunction centroidPointCartesian(x, y, z) {\n ++W0;\n X0 += (x - X0) / W0;\n Y0 += (y - Y0) / W0;\n Z0 += (z - Z0) / W0;\n}\n\nfunction centroidLineStart() {\n centroidStream.point = centroidLinePointFirst;\n}\n\nfunction centroidLinePointFirst(lambda, phi) {\n lambda *= radians, phi *= radians;\n var cosPhi = cos(phi);\n x0 = cosPhi * cos(lambda);\n y0 = cosPhi * sin(lambda);\n z0 = sin(phi);\n centroidStream.point = centroidLinePoint;\n centroidPointCartesian(x0, y0, z0);\n}\n\nfunction centroidLinePoint(lambda, phi) {\n lambda *= radians, phi *= radians;\n var cosPhi = cos(phi),\n x = cosPhi * cos(lambda),\n y = cosPhi * sin(lambda),\n z = sin(phi),\n w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);\n W1 += w;\n X1 += w * (x0 + (x0 = x));\n Y1 += w * (y0 + (y0 = y));\n Z1 += w * (z0 + (z0 = z));\n centroidPointCartesian(x0, y0, z0);\n}\n\nfunction centroidLineEnd() {\n centroidStream.point = centroidPoint;\n}\n\n// See J. E. Brock, The Inertia Tensor for a Spherical Triangle,\n// J. Applied Mechanics 42, 239 (1975).\nfunction centroidRingStart() {\n centroidStream.point = centroidRingPointFirst;\n}\n\nfunction centroidRingEnd() {\n centroidRingPoint(lambda00, phi00);\n centroidStream.point = centroidPoint;\n}\n\nfunction centroidRingPointFirst(lambda, phi) {\n lambda00 = lambda, phi00 = phi;\n lambda *= radians, phi *= radians;\n centroidStream.point = centroidRingPoint;\n var cosPhi = cos(phi);\n x0 = cosPhi * cos(lambda);\n y0 = cosPhi * sin(lambda);\n z0 = sin(phi);\n centroidPointCartesian(x0, y0, z0);\n}\n\nfunction centroidRingPoint(lambda, phi) {\n lambda *= radians, phi *= radians;\n var cosPhi = cos(phi),\n x = cosPhi * cos(lambda),\n y = cosPhi * sin(lambda),\n z = sin(phi),\n cx = y0 * z - z0 * y,\n cy = z0 * x - x0 * z,\n cz = x0 * y - y0 * x,\n m = sqrt(cx * cx + cy * cy + cz * cz),\n w = asin(m), // line weight = angle\n v = m && -w / m; // area weight multiplier\n X2 += v * cx;\n Y2 += v * cy;\n Z2 += v * cz;\n W1 += w;\n X1 += w * (x0 + (x0 = x));\n Y1 += w * (y0 + (y0 = y));\n Z1 += w * (z0 + (z0 = z));\n centroidPointCartesian(x0, y0, z0);\n}\n\nexport default function(object) {\n W0 = W1 =\n X0 = Y0 = Z0 =\n X1 = Y1 = Z1 =\n X2 = Y2 = Z2 = 0;\n stream(object, centroidStream);\n\n var x = X2,\n y = Y2,\n z = Z2,\n m = x * x + y * y + z * z;\n\n // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid.\n if (m < epsilon2) {\n x = X1, y = Y1, z = Z1;\n // If the feature has zero length, fall back to arithmetic mean of point vectors.\n if (W1 < epsilon) x = X0, y = Y0, z = Z0;\n m = x * x + y * y + z * z;\n // If the feature still has an undefined ccentroid, then return.\n if (m < epsilon2) return [NaN, NaN];\n }\n\n return [atan2(y, x) * degrees, asin(z / sqrt(m)) * degrees];\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","export default function(a, b) {\n\n function compose(x, y) {\n return x = a(x, y), b(x[0], x[1]);\n }\n\n if (a.invert && b.invert) compose.invert = function(x, y) {\n return x = b.invert(x, y), x && a.invert(x[0], x[1]);\n };\n\n return compose;\n}\n","import compose from \"./compose\";\nimport {asin, atan2, cos, degrees, pi, radians, sin, tau} from \"./math\";\n\nfunction rotationIdentity(lambda, phi) {\n return [lambda > pi ? lambda - tau : lambda < -pi ? lambda + tau : lambda, phi];\n}\n\nrotationIdentity.invert = rotationIdentity;\n\nexport function rotateRadians(deltaLambda, deltaPhi, deltaGamma) {\n return (deltaLambda %= tau) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma))\n : rotationLambda(deltaLambda))\n : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma)\n : rotationIdentity);\n}\n\nfunction forwardRotationLambda(deltaLambda) {\n return function(lambda, phi) {\n return lambda += deltaLambda, [lambda > pi ? lambda - tau : lambda < -pi ? lambda + tau : lambda, phi];\n };\n}\n\nfunction rotationLambda(deltaLambda) {\n var rotation = forwardRotationLambda(deltaLambda);\n rotation.invert = forwardRotationLambda(-deltaLambda);\n return rotation;\n}\n\nfunction rotationPhiGamma(deltaPhi, deltaGamma) {\n var cosDeltaPhi = cos(deltaPhi),\n sinDeltaPhi = sin(deltaPhi),\n cosDeltaGamma = cos(deltaGamma),\n sinDeltaGamma = sin(deltaGamma);\n\n function rotation(lambda, phi) {\n var cosPhi = cos(phi),\n x = cos(lambda) * cosPhi,\n y = sin(lambda) * cosPhi,\n z = sin(phi),\n k = z * cosDeltaPhi + x * sinDeltaPhi;\n return [\n atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi),\n asin(k * cosDeltaGamma + y * sinDeltaGamma)\n ];\n }\n\n rotation.invert = function(lambda, phi) {\n var cosPhi = cos(phi),\n x = cos(lambda) * cosPhi,\n y = sin(lambda) * cosPhi,\n z = sin(phi),\n k = z * cosDeltaGamma - y * sinDeltaGamma;\n return [\n atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi),\n asin(k * cosDeltaPhi - x * sinDeltaPhi)\n ];\n };\n\n return rotation;\n}\n\nexport default function(rotate) {\n rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0);\n\n function forward(coordinates) {\n coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians);\n return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates;\n }\n\n forward.invert = function(coordinates) {\n coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians);\n return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates;\n };\n\n return forward;\n}\n","import {cartesian, cartesianNormalizeInPlace, spherical} from \"./cartesian\";\nimport constant from \"./constant\";\nimport {acos, cos, degrees, epsilon, radians, sin, tau} from \"./math\";\nimport {rotateRadians} from \"./rotation\";\n\n// Generates a circle centered at [0°, 0°], with a given radius and precision.\nexport function circleStream(stream, radius, delta, direction, t0, t1) {\n if (!delta) return;\n var cosRadius = cos(radius),\n sinRadius = sin(radius),\n step = direction * delta;\n if (t0 == null) {\n t0 = radius + direction * tau;\n t1 = radius - step / 2;\n } else {\n t0 = circleRadius(cosRadius, t0);\n t1 = circleRadius(cosRadius, t1);\n if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau;\n }\n for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) {\n point = spherical([cosRadius, -sinRadius * cos(t), -sinRadius * sin(t)]);\n stream.point(point[0], point[1]);\n }\n}\n\n// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0].\nfunction circleRadius(cosRadius, point) {\n point = cartesian(point), point[0] -= cosRadius;\n cartesianNormalizeInPlace(point);\n var radius = acos(-point[1]);\n return ((-point[2] < 0 ? -radius : radius) + tau - epsilon) % tau;\n}\n\nexport default function() {\n var center = constant([0, 0]),\n radius = constant(90),\n precision = constant(6),\n ring,\n rotate,\n stream = {point: point};\n\n function point(x, y) {\n ring.push(x = rotate(x, y));\n x[0] *= degrees, x[1] *= degrees;\n }\n\n function circle() {\n var c = center.apply(this, arguments),\n r = radius.apply(this, arguments) * radians,\n p = precision.apply(this, arguments) * radians;\n ring = [];\n rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert;\n circleStream(stream, r, p, 1);\n c = {type: \"Polygon\", coordinates: [ring]};\n ring = rotate = null;\n return c;\n }\n\n circle.center = function(_) {\n return arguments.length ? (center = typeof _ === \"function\" ? _ : constant([+_[0], +_[1]]), circle) : center;\n };\n\n circle.radius = function(_) {\n return arguments.length ? (radius = typeof _ === \"function\" ? _ : constant(+_), circle) : radius;\n };\n\n circle.precision = function(_) {\n return arguments.length ? (precision = typeof _ === \"function\" ? _ : constant(+_), circle) : precision;\n };\n\n return circle;\n}\n","import noop from \"../noop\";\n\nexport default function() {\n var lines = [],\n line;\n return {\n point: function(x, y) {\n line.push([x, y]);\n },\n lineStart: function() {\n lines.push(line = []);\n },\n lineEnd: noop,\n rejoin: function() {\n if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));\n },\n result: function() {\n var result = lines;\n lines = [];\n line = null;\n return result;\n }\n };\n}\n","import {abs, epsilon} from \"./math\";\n\nexport default function(a, b) {\n return abs(a[0] - b[0]) < epsilon && abs(a[1] - b[1]) < epsilon;\n}\n","import pointEqual from \"../pointEqual\";\n\nfunction Intersection(point, points, other, entry) {\n this.x = point;\n this.z = points;\n this.o = other; // another intersection\n this.e = entry; // is an entry?\n this.v = false; // visited\n this.n = this.p = null; // next & previous\n}\n\n// A generalized polygon clipping algorithm: given a polygon that has been cut\n// into its visible line segments, and rejoins the segments by interpolating\n// along the clip edge.\nexport default function(segments, compareIntersection, startInside, interpolate, stream) {\n var subject = [],\n clip = [],\n i,\n n;\n\n segments.forEach(function(segment) {\n if ((n = segment.length - 1) <= 0) return;\n var n, p0 = segment[0], p1 = segment[n], x;\n\n // If the first and last points of a segment are coincident, then treat as a\n // closed ring. TODO if all rings are closed, then the winding order of the\n // exterior ring should be checked.\n if (pointEqual(p0, p1)) {\n stream.lineStart();\n for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]);\n stream.lineEnd();\n return;\n }\n\n subject.push(x = new Intersection(p0, segment, null, true));\n clip.push(x.o = new Intersection(p0, null, x, false));\n subject.push(x = new Intersection(p1, segment, null, false));\n clip.push(x.o = new Intersection(p1, null, x, true));\n });\n\n if (!subject.length) return;\n\n clip.sort(compareIntersection);\n link(subject);\n link(clip);\n\n for (i = 0, n = clip.length; i < n; ++i) {\n clip[i].e = startInside = !startInside;\n }\n\n var start = subject[0],\n points,\n point;\n\n while (1) {\n // Find first unvisited intersection.\n var current = start,\n isSubject = true;\n while (current.v) if ((current = current.n) === start) return;\n points = current.z;\n stream.lineStart();\n do {\n current.v = current.o.v = true;\n if (current.e) {\n if (isSubject) {\n for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]);\n } else {\n interpolate(current.x, current.n.x, 1, stream);\n }\n current = current.n;\n } else {\n if (isSubject) {\n points = current.p.z;\n for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]);\n } else {\n interpolate(current.x, current.p.x, -1, stream);\n }\n current = current.p;\n }\n current = current.o;\n points = current.z;\n isSubject = !isSubject;\n } while (!current.v);\n stream.lineEnd();\n }\n}\n\nfunction link(array) {\n if (!(n = array.length)) return;\n var n,\n i = 0,\n a = array[0],\n b;\n while (++i < n) {\n a.n = b = array[i];\n b.p = a;\n a = b;\n }\n a.n = b = array[0];\n b.p = a;\n}\n","import {abs, epsilon} from \"../math\";\nimport clipBuffer from \"./buffer\";\nimport clipLine from \"./line\";\nimport clipPolygon from \"./polygon\";\nimport {merge} from \"d3-array\";\n\nvar clipMax = 1e9, clipMin = -clipMax;\n\n// TODO Use d3-polygon’s polygonContains here for the ring check?\n// TODO Eliminate duplicate buffering in clipBuffer and polygon.push?\n\nexport function clipExtent(x0, y0, x1, y1) {\n\n function visible(x, y) {\n return x0 <= x && x <= x1 && y0 <= y && y <= y1;\n }\n\n function interpolate(from, to, direction, stream) {\n var a = 0, a1 = 0;\n if (from == null\n || (a = corner(from, direction)) !== (a1 = corner(to, direction))\n || comparePoint(from, to) < 0 ^ direction > 0) {\n do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);\n while ((a = (a + direction + 4) % 4) !== a1);\n } else {\n stream.point(to[0], to[1]);\n }\n }\n\n function corner(p, direction) {\n return abs(p[0] - x0) < epsilon ? direction > 0 ? 0 : 3\n : abs(p[0] - x1) < epsilon ? direction > 0 ? 2 : 1\n : abs(p[1] - y0) < epsilon ? direction > 0 ? 1 : 0\n : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon\n }\n\n function compareIntersection(a, b) {\n return comparePoint(a.x, b.x);\n }\n\n function comparePoint(a, b) {\n var ca = corner(a, 1),\n cb = corner(b, 1);\n return ca !== cb ? ca - cb\n : ca === 0 ? b[1] - a[1]\n : ca === 1 ? a[0] - b[0]\n : ca === 2 ? a[1] - b[1]\n : b[0] - a[0];\n }\n\n return function(stream) {\n var activeStream = stream,\n bufferStream = clipBuffer(),\n segments,\n polygon,\n ring,\n x__, y__, v__, // first point\n x_, y_, v_, // previous point\n first,\n clean;\n\n var clipStream = {\n point: point,\n lineStart: lineStart,\n lineEnd: lineEnd,\n polygonStart: polygonStart,\n polygonEnd: polygonEnd\n };\n\n function point(x, y) {\n if (visible(x, y)) activeStream.point(x, y);\n }\n\n function polygonInside() {\n var winding = 0;\n\n for (var i = 0, n = polygon.length; i < n; ++i) {\n for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) {\n a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1];\n if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; }\n else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; }\n }\n }\n\n return winding;\n }\n\n // Buffer geometry within a polygon and then clip it en masse.\n function polygonStart() {\n activeStream = bufferStream, segments = [], polygon = [], clean = true;\n }\n\n function polygonEnd() {\n var startInside = polygonInside(),\n cleanInside = clean && startInside,\n visible = (segments = merge(segments)).length;\n if (cleanInside || visible) {\n stream.polygonStart();\n if (cleanInside) {\n stream.lineStart();\n interpolate(null, null, 1, stream);\n stream.lineEnd();\n }\n if (visible) {\n clipPolygon(segments, compareIntersection, startInside, interpolate, stream);\n }\n stream.polygonEnd();\n }\n activeStream = stream, segments = polygon = ring = null;\n }\n\n function lineStart() {\n clipStream.point = linePoint;\n if (polygon) polygon.push(ring = []);\n first = true;\n v_ = false;\n x_ = y_ = NaN;\n }\n\n // TODO rather than special-case polygons, simply handle them separately.\n // Ideally, coincident intersection points should be jittered to avoid\n // clipping issues.\n function lineEnd() {\n if (segments) {\n linePoint(x__, y__);\n if (v__ && v_) bufferStream.rejoin();\n segments.push(bufferStream.result());\n }\n clipStream.point = point;\n if (v_) activeStream.lineEnd();\n }\n\n function linePoint(x, y) {\n var v = visible(x, y);\n if (polygon) ring.push([x, y]);\n if (first) {\n x__ = x, y__ = y, v__ = v;\n first = false;\n if (v) {\n activeStream.lineStart();\n activeStream.point(x, y);\n }\n } else {\n if (v && v_) activeStream.point(x, y);\n else {\n var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))],\n b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))];\n if (clipLine(a, b, x0, y0, x1, y1)) {\n if (!v_) {\n activeStream.lineStart();\n activeStream.point(a[0], a[1]);\n }\n activeStream.point(b[0], b[1]);\n if (!v) activeStream.lineEnd();\n clean = false;\n } else if (v) {\n activeStream.lineStart();\n activeStream.point(x, y);\n clean = false;\n }\n }\n }\n x_ = x, y_ = y, v_ = v;\n }\n\n return clipStream;\n };\n}\n\nexport default function() {\n var x0 = 0,\n y0 = 0,\n x1 = 960,\n y1 = 500,\n cache,\n cacheStream,\n clip;\n\n return clip = {\n stream: function(stream) {\n return cache && cacheStream === stream ? cache : cache = clipExtent(x0, y0, x1, y1)(cacheStream = stream);\n },\n extent: function(_) {\n return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]];\n }\n };\n}\n","export default function(a, b, x0, y0, x1, y1) {\n var ax = a[0],\n ay = a[1],\n bx = b[0],\n by = b[1],\n t0 = 0,\n t1 = 1,\n dx = bx - ax,\n dy = by - ay,\n r;\n\n r = x0 - ax;\n if (!dx && r > 0) return;\n r /= dx;\n if (dx < 0) {\n if (r < t0) return;\n if (r < t1) t1 = r;\n } else if (dx > 0) {\n if (r > t1) return;\n if (r > t0) t0 = r;\n }\n\n r = x1 - ax;\n if (!dx && r < 0) return;\n r /= dx;\n if (dx < 0) {\n if (r > t1) return;\n if (r > t0) t0 = r;\n } else if (dx > 0) {\n if (r < t0) return;\n if (r < t1) t1 = r;\n }\n\n r = y0 - ay;\n if (!dy && r > 0) return;\n r /= dy;\n if (dy < 0) {\n if (r < t0) return;\n if (r < t1) t1 = r;\n } else if (dy > 0) {\n if (r > t1) return;\n if (r > t0) t0 = r;\n }\n\n r = y1 - ay;\n if (!dy && r < 0) return;\n r /= dy;\n if (dy < 0) {\n if (r > t1) return;\n if (r > t0) t0 = r;\n } else if (dy > 0) {\n if (r < t0) return;\n if (r < t1) t1 = r;\n }\n\n if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy;\n if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy;\n return true;\n}\n","import adder from \"./adder\";\nimport {cartesian, cartesianCross, cartesianNormalizeInPlace} from \"./cartesian\";\nimport {asin, atan2, cos, epsilon, pi, quarterPi, sin, tau} from \"./math\";\n\nvar sum = adder();\n\nexport default function(polygon, point) {\n var lambda = point[0],\n phi = point[1],\n normal = [sin(lambda), -cos(lambda), 0],\n angle = 0,\n winding = 0;\n\n sum.reset();\n\n for (var i = 0, n = polygon.length; i < n; ++i) {\n if (!(m = (ring = polygon[i]).length)) continue;\n var ring,\n m,\n point0 = ring[m - 1],\n lambda0 = point0[0],\n phi0 = point0[1] / 2 + quarterPi,\n sinPhi0 = sin(phi0),\n cosPhi0 = cos(phi0);\n\n for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) {\n var point1 = ring[j],\n lambda1 = point1[0],\n phi1 = point1[1] / 2 + quarterPi,\n sinPhi1 = sin(phi1),\n cosPhi1 = cos(phi1),\n delta = lambda1 - lambda0,\n sign = delta >= 0 ? 1 : -1,\n absDelta = sign * delta,\n antimeridian = absDelta > pi,\n k = sinPhi0 * sinPhi1;\n\n sum.add(atan2(k * sign * sin(absDelta), cosPhi0 * cosPhi1 + k * cos(absDelta)));\n angle += antimeridian ? delta + sign * tau : delta;\n\n // Are the longitudes either side of the point’s meridian (lambda),\n // and are the latitudes smaller than the parallel (phi)?\n if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) {\n var arc = cartesianCross(cartesian(point0), cartesian(point1));\n cartesianNormalizeInPlace(arc);\n var intersection = cartesianCross(normal, arc);\n cartesianNormalizeInPlace(intersection);\n var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]);\n if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) {\n winding += antimeridian ^ delta >= 0 ? 1 : -1;\n }\n }\n }\n }\n\n // First, determine whether the South pole is inside or outside:\n //\n // It is inside if:\n // * the polygon winds around it in a clockwise direction.\n // * the polygon does not (cumulatively) wind around it, but has a negative\n // (counter-clockwise) area.\n //\n // Second, count the (signed) number of times a segment crosses a lambda\n // from the point to the South pole. If it is zero, then the point is the\n // same side as the South pole.\n\n return (angle < -epsilon || angle < epsilon && sum < -epsilon) ^ (winding & 1);\n}\n","import adder from \"./adder\";\nimport {abs, atan2, cos, radians, sin, sqrt} from \"./math\";\nimport noop from \"./noop\";\nimport stream from \"./stream\";\n\nvar lengthSum = adder(),\n lambda0,\n sinPhi0,\n cosPhi0;\n\nvar lengthStream = {\n sphere: noop,\n point: noop,\n lineStart: lengthLineStart,\n lineEnd: noop,\n polygonStart: noop,\n polygonEnd: noop\n};\n\nfunction lengthLineStart() {\n lengthStream.point = lengthPointFirst;\n lengthStream.lineEnd = lengthLineEnd;\n}\n\nfunction lengthLineEnd() {\n lengthStream.point = lengthStream.lineEnd = noop;\n}\n\nfunction lengthPointFirst(lambda, phi) {\n lambda *= radians, phi *= radians;\n lambda0 = lambda, sinPhi0 = sin(phi), cosPhi0 = cos(phi);\n lengthStream.point = lengthPoint;\n}\n\nfunction lengthPoint(lambda, phi) {\n lambda *= radians, phi *= radians;\n var sinPhi = sin(phi),\n cosPhi = cos(phi),\n delta = abs(lambda - lambda0),\n cosDelta = cos(delta),\n sinDelta = sin(delta),\n x = cosPhi * sinDelta,\n y = cosPhi0 * sinPhi - sinPhi0 * cosPhi * cosDelta,\n z = sinPhi0 * sinPhi + cosPhi0 * cosPhi * cosDelta;\n lengthSum.add(atan2(sqrt(x * x + y * y), z));\n lambda0 = lambda, sinPhi0 = sinPhi, cosPhi0 = cosPhi;\n}\n\nexport default function(object) {\n lengthSum.reset();\n stream(object, lengthStream);\n return +lengthSum;\n}\n","import length from \"./length\";\n\nvar coordinates = [null, null],\n object = {type: \"LineString\", coordinates: coordinates};\n\nexport default function(a, b) {\n coordinates[0] = a;\n coordinates[1] = b;\n return length(object);\n}\n","import {default as polygonContains} from \"./polygonContains\";\nimport {default as distance} from \"./distance\";\nimport {epsilon, radians} from \"./math\";\n\nvar containsObjectType = {\n Feature: function(object, point) {\n return containsGeometry(object.geometry, point);\n },\n FeatureCollection: function(object, point) {\n var features = object.features, i = -1, n = features.length;\n while (++i < n) if (containsGeometry(features[i].geometry, point)) return true;\n return false;\n }\n};\n\nvar containsGeometryType = {\n Sphere: function() {\n return true;\n },\n Point: function(object, point) {\n return containsPoint(object.coordinates, point);\n },\n MultiPoint: function(object, point) {\n var coordinates = object.coordinates, i = -1, n = coordinates.length;\n while (++i < n) if (containsPoint(coordinates[i], point)) return true;\n return false;\n },\n LineString: function(object, point) {\n return containsLine(object.coordinates, point);\n },\n MultiLineString: function(object, point) {\n var coordinates = object.coordinates, i = -1, n = coordinates.length;\n while (++i < n) if (containsLine(coordinates[i], point)) return true;\n return false;\n },\n Polygon: function(object, point) {\n return containsPolygon(object.coordinates, point);\n },\n MultiPolygon: function(object, point) {\n var coordinates = object.coordinates, i = -1, n = coordinates.length;\n while (++i < n) if (containsPolygon(coordinates[i], point)) return true;\n return false;\n },\n GeometryCollection: function(object, point) {\n var geometries = object.geometries, i = -1, n = geometries.length;\n while (++i < n) if (containsGeometry(geometries[i], point)) return true;\n return false;\n }\n};\n\nfunction containsGeometry(geometry, point) {\n return geometry && containsGeometryType.hasOwnProperty(geometry.type)\n ? containsGeometryType[geometry.type](geometry, point)\n : false;\n}\n\nfunction containsPoint(coordinates, point) {\n return distance(coordinates, point) === 0;\n}\n\nfunction containsLine(coordinates, point) {\n var ab = distance(coordinates[0], coordinates[1]),\n ao = distance(coordinates[0], point),\n ob = distance(point, coordinates[1]);\n return ao + ob <= ab + epsilon;\n}\n\nfunction containsPolygon(coordinates, point) {\n return !!polygonContains(coordinates.map(ringRadians), pointRadians(point));\n}\n\nfunction ringRadians(ring) {\n return ring = ring.map(pointRadians), ring.pop(), ring;\n}\n\nfunction pointRadians(point) {\n return [point[0] * radians, point[1] * radians];\n}\n\nexport default function(object, point) {\n return (object && containsObjectType.hasOwnProperty(object.type)\n ? containsObjectType[object.type]\n : containsGeometry)(object, point);\n}\n","import {range} from \"d3-array\";\nimport {abs, ceil, epsilon} from \"./math\";\n\nfunction graticuleX(y0, y1, dy) {\n var y = range(y0, y1 - epsilon, dy).concat(y1);\n return function(x) { return y.map(function(y) { return [x, y]; }); };\n}\n\nfunction graticuleY(x0, x1, dx) {\n var x = range(x0, x1 - epsilon, dx).concat(x1);\n return function(y) { return x.map(function(x) { return [x, y]; }); };\n}\n\nexport default function graticule() {\n var x1, x0, X1, X0,\n y1, y0, Y1, Y0,\n dx = 10, dy = dx, DX = 90, DY = 360,\n x, y, X, Y,\n precision = 2.5;\n\n function graticule() {\n return {type: \"MultiLineString\", coordinates: lines()};\n }\n\n function lines() {\n return range(ceil(X0 / DX) * DX, X1, DX).map(X)\n .concat(range(ceil(Y0 / DY) * DY, Y1, DY).map(Y))\n .concat(range(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon; }).map(x))\n .concat(range(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon; }).map(y));\n }\n\n graticule.lines = function() {\n return lines().map(function(coordinates) { return {type: \"LineString\", coordinates: coordinates}; });\n };\n\n graticule.outline = function() {\n return {\n type: \"Polygon\",\n coordinates: [\n X(X0).concat(\n Y(Y1).slice(1),\n X(X1).reverse().slice(1),\n Y(Y0).reverse().slice(1))\n ]\n };\n };\n\n graticule.extent = function(_) {\n if (!arguments.length) return graticule.extentMinor();\n return graticule.extentMajor(_).extentMinor(_);\n };\n\n graticule.extentMajor = function(_) {\n if (!arguments.length) return [[X0, Y0], [X1, Y1]];\n X0 = +_[0][0], X1 = +_[1][0];\n Y0 = +_[0][1], Y1 = +_[1][1];\n if (X0 > X1) _ = X0, X0 = X1, X1 = _;\n if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;\n return graticule.precision(precision);\n };\n\n graticule.extentMinor = function(_) {\n if (!arguments.length) return [[x0, y0], [x1, y1]];\n x0 = +_[0][0], x1 = +_[1][0];\n y0 = +_[0][1], y1 = +_[1][1];\n if (x0 > x1) _ = x0, x0 = x1, x1 = _;\n if (y0 > y1) _ = y0, y0 = y1, y1 = _;\n return graticule.precision(precision);\n };\n\n graticule.step = function(_) {\n if (!arguments.length) return graticule.stepMinor();\n return graticule.stepMajor(_).stepMinor(_);\n };\n\n graticule.stepMajor = function(_) {\n if (!arguments.length) return [DX, DY];\n DX = +_[0], DY = +_[1];\n return graticule;\n };\n\n graticule.stepMinor = function(_) {\n if (!arguments.length) return [dx, dy];\n dx = +_[0], dy = +_[1];\n return graticule;\n };\n\n graticule.precision = function(_) {\n if (!arguments.length) return precision;\n precision = +_;\n x = graticuleX(y0, y1, 90);\n y = graticuleY(x0, x1, precision);\n X = graticuleX(Y0, Y1, 90);\n Y = graticuleY(X0, X1, precision);\n return graticule;\n };\n\n return graticule\n .extentMajor([[-180, -90 + epsilon], [180, 90 - epsilon]])\n .extentMinor([[-180, -80 - epsilon], [180, 80 + epsilon]]);\n}\n\nexport function graticule10() {\n return graticule()();\n}\n","export default function(x) {\n return x;\n}\n","import adder from \"../adder\";\nimport {abs} from \"../math\";\nimport noop from \"../noop\";\n\nvar areaSum = adder(),\n areaRingSum = adder(),\n x00,\n y00,\n x0,\n y0;\n\nvar areaStream = {\n point: noop,\n lineStart: noop,\n lineEnd: noop,\n polygonStart: function() {\n areaStream.lineStart = areaRingStart;\n areaStream.lineEnd = areaRingEnd;\n },\n polygonEnd: function() {\n areaStream.lineStart = areaStream.lineEnd = areaStream.point = noop;\n areaSum.add(abs(areaRingSum));\n areaRingSum.reset();\n },\n result: function() {\n var area = areaSum / 2;\n areaSum.reset();\n return area;\n }\n};\n\nfunction areaRingStart() {\n areaStream.point = areaPointFirst;\n}\n\nfunction areaPointFirst(x, y) {\n areaStream.point = areaPoint;\n x00 = x0 = x, y00 = y0 = y;\n}\n\nfunction areaPoint(x, y) {\n areaRingSum.add(y0 * x - x0 * y);\n x0 = x, y0 = y;\n}\n\nfunction areaRingEnd() {\n areaPoint(x00, y00);\n}\n\nexport default areaStream;\n","import noop from \"../noop\";\n\nvar x0 = Infinity,\n y0 = x0,\n x1 = -x0,\n y1 = x1;\n\nvar boundsStream = {\n point: boundsPoint,\n lineStart: noop,\n lineEnd: noop,\n polygonStart: noop,\n polygonEnd: noop,\n result: function() {\n var bounds = [[x0, y0], [x1, y1]];\n x1 = y1 = -(y0 = x0 = Infinity);\n return bounds;\n }\n};\n\nfunction boundsPoint(x, y) {\n if (x < x0) x0 = x;\n if (x > x1) x1 = x;\n if (y < y0) y0 = y;\n if (y > y1) y1 = y;\n}\n\nexport default boundsStream;\n","import {sqrt} from \"../math\";\n\n// TODO Enforce positive area for exterior, negative area for interior?\n\nvar X0 = 0,\n Y0 = 0,\n Z0 = 0,\n X1 = 0,\n Y1 = 0,\n Z1 = 0,\n X2 = 0,\n Y2 = 0,\n Z2 = 0,\n x00,\n y00,\n x0,\n y0;\n\nvar centroidStream = {\n point: centroidPoint,\n lineStart: centroidLineStart,\n lineEnd: centroidLineEnd,\n polygonStart: function() {\n centroidStream.lineStart = centroidRingStart;\n centroidStream.lineEnd = centroidRingEnd;\n },\n polygonEnd: function() {\n centroidStream.point = centroidPoint;\n centroidStream.lineStart = centroidLineStart;\n centroidStream.lineEnd = centroidLineEnd;\n },\n result: function() {\n var centroid = Z2 ? [X2 / Z2, Y2 / Z2]\n : Z1 ? [X1 / Z1, Y1 / Z1]\n : Z0 ? [X0 / Z0, Y0 / Z0]\n : [NaN, NaN];\n X0 = Y0 = Z0 =\n X1 = Y1 = Z1 =\n X2 = Y2 = Z2 = 0;\n return centroid;\n }\n};\n\nfunction centroidPoint(x, y) {\n X0 += x;\n Y0 += y;\n ++Z0;\n}\n\nfunction centroidLineStart() {\n centroidStream.point = centroidPointFirstLine;\n}\n\nfunction centroidPointFirstLine(x, y) {\n centroidStream.point = centroidPointLine;\n centroidPoint(x0 = x, y0 = y);\n}\n\nfunction centroidPointLine(x, y) {\n var dx = x - x0, dy = y - y0, z = sqrt(dx * dx + dy * dy);\n X1 += z * (x0 + x) / 2;\n Y1 += z * (y0 + y) / 2;\n Z1 += z;\n centroidPoint(x0 = x, y0 = y);\n}\n\nfunction centroidLineEnd() {\n centroidStream.point = centroidPoint;\n}\n\nfunction centroidRingStart() {\n centroidStream.point = centroidPointFirstRing;\n}\n\nfunction centroidRingEnd() {\n centroidPointRing(x00, y00);\n}\n\nfunction centroidPointFirstRing(x, y) {\n centroidStream.point = centroidPointRing;\n centroidPoint(x00 = x0 = x, y00 = y0 = y);\n}\n\nfunction centroidPointRing(x, y) {\n var dx = x - x0,\n dy = y - y0,\n z = sqrt(dx * dx + dy * dy);\n\n X1 += z * (x0 + x) / 2;\n Y1 += z * (y0 + y) / 2;\n Z1 += z;\n\n z = y0 * x - x0 * y;\n X2 += z * (x0 + x);\n Y2 += z * (y0 + y);\n Z2 += z * 3;\n centroidPoint(x0 = x, y0 = y);\n}\n\nexport default centroidStream;\n","import {tau} from \"../math\";\nimport noop from \"../noop\";\n\nexport default function PathContext(context) {\n this._context = context;\n}\n\nPathContext.prototype = {\n _radius: 4.5,\n pointRadius: function(_) {\n return this._radius = _, this;\n },\n polygonStart: function() {\n this._line = 0;\n },\n polygonEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._point = 0;\n },\n lineEnd: function() {\n if (this._line === 0) this._context.closePath();\n this._point = NaN;\n },\n point: function(x, y) {\n switch (this._point) {\n case 0: {\n this._context.moveTo(x, y);\n this._point = 1;\n break;\n }\n case 1: {\n this._context.lineTo(x, y);\n break;\n }\n default: {\n this._context.moveTo(x + this._radius, y);\n this._context.arc(x, y, this._radius, 0, tau);\n break;\n }\n }\n },\n result: noop\n};\n","import adder from \"../adder\";\nimport {sqrt} from \"../math\";\nimport noop from \"../noop\";\n\nvar lengthSum = adder(),\n lengthRing,\n x00,\n y00,\n x0,\n y0;\n\nvar lengthStream = {\n point: noop,\n lineStart: function() {\n lengthStream.point = lengthPointFirst;\n },\n lineEnd: function() {\n if (lengthRing) lengthPoint(x00, y00);\n lengthStream.point = noop;\n },\n polygonStart: function() {\n lengthRing = true;\n },\n polygonEnd: function() {\n lengthRing = null;\n },\n result: function() {\n var length = +lengthSum;\n lengthSum.reset();\n return length;\n }\n};\n\nfunction lengthPointFirst(x, y) {\n lengthStream.point = lengthPoint;\n x00 = x0 = x, y00 = y0 = y;\n}\n\nfunction lengthPoint(x, y) {\n x0 -= x, y0 -= y;\n lengthSum.add(sqrt(x0 * x0 + y0 * y0));\n x0 = x, y0 = y;\n}\n\nexport default lengthStream;\n","export default function PathString() {\n this._string = [];\n}\n\nPathString.prototype = {\n _radius: 4.5,\n _circle: circle(4.5),\n pointRadius: function(_) {\n if ((_ = +_) !== this._radius) this._radius = _, this._circle = null;\n return this;\n },\n polygonStart: function() {\n this._line = 0;\n },\n polygonEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._point = 0;\n },\n lineEnd: function() {\n if (this._line === 0) this._string.push(\"Z\");\n this._point = NaN;\n },\n point: function(x, y) {\n switch (this._point) {\n case 0: {\n this._string.push(\"M\", x, \",\", y);\n this._point = 1;\n break;\n }\n case 1: {\n this._string.push(\"L\", x, \",\", y);\n break;\n }\n default: {\n if (this._circle == null) this._circle = circle(this._radius);\n this._string.push(\"M\", x, \",\", y, this._circle);\n break;\n }\n }\n },\n result: function() {\n if (this._string.length) {\n var result = this._string.join(\"\");\n this._string = [];\n return result;\n } else {\n return null;\n }\n }\n};\n\nfunction circle(radius) {\n return \"m0,\" + radius\n + \"a\" + radius + \",\" + radius + \" 0 1,1 0,\" + -2 * radius\n + \"a\" + radius + \",\" + radius + \" 0 1,1 0,\" + 2 * radius\n + \"z\";\n}\n","import clipBuffer from \"./buffer\";\nimport clipPolygon from \"./polygon\";\nimport {epsilon, halfPi} from \"../math\";\nimport polygonContains from \"../polygonContains\";\nimport {merge} from \"d3-array\";\n\nexport default function(pointVisible, clipLine, interpolate, start) {\n return function(rotate, sink) {\n var line = clipLine(sink),\n rotatedStart = rotate.invert(start[0], start[1]),\n ringBuffer = clipBuffer(),\n ringSink = clipLine(ringBuffer),\n polygonStarted = false,\n polygon,\n segments,\n ring;\n\n var clip = {\n point: point,\n lineStart: lineStart,\n lineEnd: lineEnd,\n polygonStart: function() {\n clip.point = pointRing;\n clip.lineStart = ringStart;\n clip.lineEnd = ringEnd;\n segments = [];\n polygon = [];\n },\n polygonEnd: function() {\n clip.point = point;\n clip.lineStart = lineStart;\n clip.lineEnd = lineEnd;\n segments = merge(segments);\n var startInside = polygonContains(polygon, rotatedStart);\n if (segments.length) {\n if (!polygonStarted) sink.polygonStart(), polygonStarted = true;\n clipPolygon(segments, compareIntersection, startInside, interpolate, sink);\n } else if (startInside) {\n if (!polygonStarted) sink.polygonStart(), polygonStarted = true;\n sink.lineStart();\n interpolate(null, null, 1, sink);\n sink.lineEnd();\n }\n if (polygonStarted) sink.polygonEnd(), polygonStarted = false;\n segments = polygon = null;\n },\n sphere: function() {\n sink.polygonStart();\n sink.lineStart();\n interpolate(null, null, 1, sink);\n sink.lineEnd();\n sink.polygonEnd();\n }\n };\n\n function point(lambda, phi) {\n var point = rotate(lambda, phi);\n if (pointVisible(lambda = point[0], phi = point[1])) sink.point(lambda, phi);\n }\n\n function pointLine(lambda, phi) {\n var point = rotate(lambda, phi);\n line.point(point[0], point[1]);\n }\n\n function lineStart() {\n clip.point = pointLine;\n line.lineStart();\n }\n\n function lineEnd() {\n clip.point = point;\n line.lineEnd();\n }\n\n function pointRing(lambda, phi) {\n ring.push([lambda, phi]);\n var point = rotate(lambda, phi);\n ringSink.point(point[0], point[1]);\n }\n\n function ringStart() {\n ringSink.lineStart();\n ring = [];\n }\n\n function ringEnd() {\n pointRing(ring[0][0], ring[0][1]);\n ringSink.lineEnd();\n\n var clean = ringSink.clean(),\n ringSegments = ringBuffer.result(),\n i, n = ringSegments.length, m,\n segment,\n point;\n\n ring.pop();\n polygon.push(ring);\n ring = null;\n\n if (!n) return;\n\n // No intersections.\n if (clean & 1) {\n segment = ringSegments[0];\n if ((m = segment.length - 1) > 0) {\n if (!polygonStarted) sink.polygonStart(), polygonStarted = true;\n sink.lineStart();\n for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]);\n sink.lineEnd();\n }\n return;\n }\n\n // Rejoin connected segments.\n // TODO reuse ringBuffer.rejoin()?\n if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));\n\n segments.push(ringSegments.filter(validSegment));\n }\n\n return clip;\n };\n}\n\nfunction validSegment(segment) {\n return segment.length > 1;\n}\n\n// Intersections are sorted along the clip edge. For both antimeridian cutting\n// and circle clipping, the same comparison is used.\nfunction compareIntersection(a, b) {\n return ((a = a.x)[0] < 0 ? a[1] - halfPi - epsilon : halfPi - a[1])\n - ((b = b.x)[0] < 0 ? b[1] - halfPi - epsilon : halfPi - b[1]);\n}\n","import clip from \"./index\";\nimport {abs, atan, cos, epsilon, halfPi, pi, sin} from \"../math\";\n\nexport default clip(\n function() { return true; },\n clipAntimeridianLine,\n clipAntimeridianInterpolate,\n [-pi, -halfPi]\n);\n\n// Takes a line and cuts into visible segments. Return values: 0 - there were\n// intersections or the line was empty; 1 - no intersections; 2 - there were\n// intersections, and the first and last segments should be rejoined.\nfunction clipAntimeridianLine(stream) {\n var lambda0 = NaN,\n phi0 = NaN,\n sign0 = NaN,\n clean; // no intersections\n\n return {\n lineStart: function() {\n stream.lineStart();\n clean = 1;\n },\n point: function(lambda1, phi1) {\n var sign1 = lambda1 > 0 ? pi : -pi,\n delta = abs(lambda1 - lambda0);\n if (abs(delta - pi) < epsilon) { // line crosses a pole\n stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi : -halfPi);\n stream.point(sign0, phi0);\n stream.lineEnd();\n stream.lineStart();\n stream.point(sign1, phi0);\n stream.point(lambda1, phi0);\n clean = 0;\n } else if (sign0 !== sign1 && delta >= pi) { // line crosses antimeridian\n if (abs(lambda0 - sign0) < epsilon) lambda0 -= sign0 * epsilon; // handle degeneracies\n if (abs(lambda1 - sign1) < epsilon) lambda1 -= sign1 * epsilon;\n phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1);\n stream.point(sign0, phi0);\n stream.lineEnd();\n stream.lineStart();\n stream.point(sign1, phi0);\n clean = 0;\n }\n stream.point(lambda0 = lambda1, phi0 = phi1);\n sign0 = sign1;\n },\n lineEnd: function() {\n stream.lineEnd();\n lambda0 = phi0 = NaN;\n },\n clean: function() {\n return 2 - clean; // if intersections, rejoin first and last segments\n }\n };\n}\n\nfunction clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) {\n var cosPhi0,\n cosPhi1,\n sinLambda0Lambda1 = sin(lambda0 - lambda1);\n return abs(sinLambda0Lambda1) > epsilon\n ? atan((sin(phi0) * (cosPhi1 = cos(phi1)) * sin(lambda1)\n - sin(phi1) * (cosPhi0 = cos(phi0)) * sin(lambda0))\n / (cosPhi0 * cosPhi1 * sinLambda0Lambda1))\n : (phi0 + phi1) / 2;\n}\n\nfunction clipAntimeridianInterpolate(from, to, direction, stream) {\n var phi;\n if (from == null) {\n phi = direction * halfPi;\n stream.point(-pi, phi);\n stream.point(0, phi);\n stream.point(pi, phi);\n stream.point(pi, 0);\n stream.point(pi, -phi);\n stream.point(0, -phi);\n stream.point(-pi, -phi);\n stream.point(-pi, 0);\n stream.point(-pi, phi);\n } else if (abs(from[0] - to[0]) > epsilon) {\n var lambda = from[0] < to[0] ? pi : -pi;\n phi = direction * lambda / 2;\n stream.point(-lambda, phi);\n stream.point(0, phi);\n stream.point(lambda, phi);\n } else {\n stream.point(to[0], to[1]);\n }\n}\n","export default function(methods) {\n return {\n stream: transformer(methods)\n };\n}\n\nexport function transformer(methods) {\n return function(stream) {\n var s = new TransformStream;\n for (var key in methods) s[key] = methods[key];\n s.stream = stream;\n return s;\n };\n}\n\nfunction TransformStream() {}\n\nTransformStream.prototype = {\n constructor: TransformStream,\n point: function(x, y) { this.stream.point(x, y); },\n sphere: function() { this.stream.sphere(); },\n lineStart: function() { this.stream.lineStart(); },\n lineEnd: function() { this.stream.lineEnd(); },\n polygonStart: function() { this.stream.polygonStart(); },\n polygonEnd: function() { this.stream.polygonEnd(); }\n};\n","import {default as geoStream} from \"../stream\";\nimport boundsStream from \"../path/bounds\";\n\nexport function fitExtent(projection, extent, object) {\n var w = extent[1][0] - extent[0][0],\n h = extent[1][1] - extent[0][1],\n clip = projection.clipExtent && projection.clipExtent();\n\n projection\n .scale(150)\n .translate([0, 0]);\n\n if (clip != null) projection.clipExtent(null);\n\n geoStream(object, projection.stream(boundsStream));\n\n var b = boundsStream.result(),\n k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])),\n x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2,\n y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2;\n\n if (clip != null) projection.clipExtent(clip);\n\n return projection\n .scale(k * 150)\n .translate([x, y]);\n}\n\nexport function fitSize(projection, size, object) {\n return fitExtent(projection, [[0, 0], size], object);\n}\n","import {cartesian} from \"../cartesian\";\nimport {abs, asin, atan2, cos, epsilon, radians, sqrt} from \"../math\";\nimport {transformer} from \"../transform\";\n\nvar maxDepth = 16, // maximum depth of subdivision\n cosMinDistance = cos(30 * radians); // cos(minimum angular distance)\n\nexport default function(project, delta2) {\n return +delta2 ? resample(project, delta2) : resampleNone(project);\n}\n\nfunction resampleNone(project) {\n return transformer({\n point: function(x, y) {\n x = project(x, y);\n this.stream.point(x[0], x[1]);\n }\n });\n}\n\nfunction resample(project, delta2) {\n\n function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) {\n var dx = x1 - x0,\n dy = y1 - y0,\n d2 = dx * dx + dy * dy;\n if (d2 > 4 * delta2 && depth--) {\n var a = a0 + a1,\n b = b0 + b1,\n c = c0 + c1,\n m = sqrt(a * a + b * b + c * c),\n phi2 = asin(c /= m),\n lambda2 = abs(abs(c) - 1) < epsilon || abs(lambda0 - lambda1) < epsilon ? (lambda0 + lambda1) / 2 : atan2(b, a),\n p = project(lambda2, phi2),\n x2 = p[0],\n y2 = p[1],\n dx2 = x2 - x0,\n dy2 = y2 - y0,\n dz = dy * dx2 - dx * dy2;\n if (dz * dz / d2 > delta2 // perpendicular projected distance\n || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end\n || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance\n resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream);\n stream.point(x2, y2);\n resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream);\n }\n }\n }\n return function(stream) {\n var lambda00, x00, y00, a00, b00, c00, // first point\n lambda0, x0, y0, a0, b0, c0; // previous point\n\n var resampleStream = {\n point: point,\n lineStart: lineStart,\n lineEnd: lineEnd,\n polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; },\n polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; }\n };\n\n function point(x, y) {\n x = project(x, y);\n stream.point(x[0], x[1]);\n }\n\n function lineStart() {\n x0 = NaN;\n resampleStream.point = linePoint;\n stream.lineStart();\n }\n\n function linePoint(lambda, phi) {\n var c = cartesian([lambda, phi]), p = project(lambda, phi);\n resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);\n stream.point(x0, y0);\n }\n\n function lineEnd() {\n resampleStream.point = point;\n stream.lineEnd();\n }\n\n function ringStart() {\n lineStart();\n resampleStream.point = ringPoint;\n resampleStream.lineEnd = ringEnd;\n }\n\n function ringPoint(lambda, phi) {\n linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;\n resampleStream.point = linePoint;\n }\n\n function ringEnd() {\n resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream);\n resampleStream.lineEnd = lineEnd;\n lineEnd();\n }\n\n return resampleStream;\n };\n}\n","import clipAntimeridian from \"../clip/antimeridian\";\nimport clipCircle from \"../clip/circle\";\nimport {clipExtent} from \"../clip/extent\";\nimport compose from \"../compose\";\nimport identity from \"../identity\";\nimport {degrees, radians, sqrt} from \"../math\";\nimport {rotateRadians} from \"../rotation\";\nimport {transformer} from \"../transform\";\nimport {fitExtent, fitSize} from \"./fit\";\nimport resample from \"./resample\";\n\nvar transformRadians = transformer({\n point: function(x, y) {\n this.stream.point(x * radians, y * radians);\n }\n});\n\nexport default function projection(project) {\n return projectionMutator(function() { return project; })();\n}\n\nexport function projectionMutator(projectAt) {\n var project,\n k = 150, // scale\n x = 480, y = 250, // translate\n dx, dy, lambda = 0, phi = 0, // center\n deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate\n theta = null, preclip = clipAntimeridian, // clip angle\n x0 = null, y0, x1, y1, postclip = identity, // clip extent\n delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision\n cache,\n cacheStream;\n\n function projection(point) {\n point = projectRotate(point[0] * radians, point[1] * radians);\n return [point[0] * k + dx, dy - point[1] * k];\n }\n\n function invert(point) {\n point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k);\n return point && [point[0] * degrees, point[1] * degrees];\n }\n\n function projectTransform(x, y) {\n return x = project(x, y), [x[0] * k + dx, dy - x[1] * k];\n }\n\n projection.stream = function(stream) {\n return cache && cacheStream === stream ? cache : cache = transformRadians(preclip(rotate, projectResample(postclip(cacheStream = stream))));\n };\n\n projection.clipAngle = function(_) {\n return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians, 6 * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees;\n };\n\n projection.clipExtent = function(_) {\n return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];\n };\n\n projection.scale = function(_) {\n return arguments.length ? (k = +_, recenter()) : k;\n };\n\n projection.translate = function(_) {\n return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y];\n };\n\n projection.center = function(_) {\n return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees, phi * degrees];\n };\n\n projection.rotate = function(_) {\n return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees, deltaPhi * degrees, deltaGamma * degrees];\n };\n\n projection.precision = function(_) {\n return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2);\n };\n\n projection.fitExtent = function(extent, object) {\n return fitExtent(projection, extent, object);\n };\n\n projection.fitSize = function(size, object) {\n return fitSize(projection, size, object);\n };\n\n function recenter() {\n projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project);\n var center = project(lambda, phi);\n dx = x - center[0] * k;\n dy = y + center[1] * k;\n return reset();\n }\n\n function reset() {\n cache = cacheStream = null;\n return projection;\n }\n\n return function() {\n project = projectAt.apply(this, arguments);\n projection.invert = project.invert && invert;\n return recenter();\n };\n}\n","import {cartesian, cartesianAddInPlace, cartesianCross, cartesianDot, cartesianScale, spherical} from \"../cartesian\";\nimport {circleStream} from \"../circle\";\nimport {abs, cos, epsilon, pi, sqrt} from \"../math\";\nimport pointEqual from \"../pointEqual\";\nimport clip from \"./index\";\n\nexport default function(radius, delta) {\n var cr = cos(radius),\n smallRadius = cr > 0,\n notHemisphere = abs(cr) > epsilon; // TODO optimise for this common case\n\n function interpolate(from, to, direction, stream) {\n circleStream(stream, radius, delta, direction, from, to);\n }\n\n function visible(lambda, phi) {\n return cos(lambda) * cos(phi) > cr;\n }\n\n // Takes a line and cuts into visible segments. Return values used for polygon\n // clipping: 0 - there were intersections or the line was empty; 1 - no\n // intersections 2 - there were intersections, and the first and last segments\n // should be rejoined.\n function clipLine(stream) {\n var point0, // previous point\n c0, // code for previous point\n v0, // visibility of previous point\n v00, // visibility of first point\n clean; // no intersections\n return {\n lineStart: function() {\n v00 = v0 = false;\n clean = 1;\n },\n point: function(lambda, phi) {\n var point1 = [lambda, phi],\n point2,\n v = visible(lambda, phi),\n c = smallRadius\n ? v ? 0 : code(lambda, phi)\n : v ? code(lambda + (lambda < 0 ? pi : -pi), phi) : 0;\n if (!point0 && (v00 = v0 = v)) stream.lineStart();\n // Handle degeneracies.\n // TODO ignore if not clipping polygons.\n if (v !== v0) {\n point2 = intersect(point0, point1);\n if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) {\n point1[0] += epsilon;\n point1[1] += epsilon;\n v = visible(point1[0], point1[1]);\n }\n }\n if (v !== v0) {\n clean = 0;\n if (v) {\n // outside going in\n stream.lineStart();\n point2 = intersect(point1, point0);\n stream.point(point2[0], point2[1]);\n } else {\n // inside going out\n point2 = intersect(point0, point1);\n stream.point(point2[0], point2[1]);\n stream.lineEnd();\n }\n point0 = point2;\n } else if (notHemisphere && point0 && smallRadius ^ v) {\n var t;\n // If the codes for two points are different, or are both zero,\n // and there this segment intersects with the small circle.\n if (!(c & c0) && (t = intersect(point1, point0, true))) {\n clean = 0;\n if (smallRadius) {\n stream.lineStart();\n stream.point(t[0][0], t[0][1]);\n stream.point(t[1][0], t[1][1]);\n stream.lineEnd();\n } else {\n stream.point(t[1][0], t[1][1]);\n stream.lineEnd();\n stream.lineStart();\n stream.point(t[0][0], t[0][1]);\n }\n }\n }\n if (v && (!point0 || !pointEqual(point0, point1))) {\n stream.point(point1[0], point1[1]);\n }\n point0 = point1, v0 = v, c0 = c;\n },\n lineEnd: function() {\n if (v0) stream.lineEnd();\n point0 = null;\n },\n // Rejoin first and last segments if there were intersections and the first\n // and last points were visible.\n clean: function() {\n return clean | ((v00 && v0) << 1);\n }\n };\n }\n\n // Intersects the great circle between a and b with the clip circle.\n function intersect(a, b, two) {\n var pa = cartesian(a),\n pb = cartesian(b);\n\n // We have two planes, n1.p = d1 and n2.p = d2.\n // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2).\n var n1 = [1, 0, 0], // normal\n n2 = cartesianCross(pa, pb),\n n2n2 = cartesianDot(n2, n2),\n n1n2 = n2[0], // cartesianDot(n1, n2),\n determinant = n2n2 - n1n2 * n1n2;\n\n // Two polar points.\n if (!determinant) return !two && a;\n\n var c1 = cr * n2n2 / determinant,\n c2 = -cr * n1n2 / determinant,\n n1xn2 = cartesianCross(n1, n2),\n A = cartesianScale(n1, c1),\n B = cartesianScale(n2, c2);\n cartesianAddInPlace(A, B);\n\n // Solve |p(t)|^2 = 1.\n var u = n1xn2,\n w = cartesianDot(A, u),\n uu = cartesianDot(u, u),\n t2 = w * w - uu * (cartesianDot(A, A) - 1);\n\n if (t2 < 0) return;\n\n var t = sqrt(t2),\n q = cartesianScale(u, (-w - t) / uu);\n cartesianAddInPlace(q, A);\n q = spherical(q);\n\n if (!two) return q;\n\n // Two intersection points.\n var lambda0 = a[0],\n lambda1 = b[0],\n phi0 = a[1],\n phi1 = b[1],\n z;\n\n if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z;\n\n var delta = lambda1 - lambda0,\n polar = abs(delta - pi) < epsilon,\n meridian = polar || delta < epsilon;\n\n if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z;\n\n // Check that the first point is between a and b.\n if (meridian\n ? polar\n ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon ? phi0 : phi1)\n : phi0 <= q[1] && q[1] <= phi1\n : delta > pi ^ (lambda0 <= q[0] && q[0] <= lambda1)) {\n var q1 = cartesianScale(u, (-w + t) / uu);\n cartesianAddInPlace(q1, A);\n return [q, spherical(q1)];\n }\n }\n\n // Generates a 4-bit vector representing the location of a point relative to\n // the small circle's bounding box.\n function code(lambda, phi) {\n var r = smallRadius ? radius : pi - radius,\n code = 0;\n if (lambda < -r) code |= 1; // left\n else if (lambda > r) code |= 2; // right\n if (phi < -r) code |= 4; // below\n else if (phi > r) code |= 8; // above\n return code;\n }\n\n return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi, radius - pi]);\n}\n","import {degrees, pi, radians} from \"../math\";\nimport {projectionMutator} from \"./index\";\n\nexport function conicProjection(projectAt) {\n var phi0 = 0,\n phi1 = pi / 3,\n m = projectionMutator(projectAt),\n p = m(phi0, phi1);\n\n p.parallels = function(_) {\n return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees, phi1 * degrees];\n };\n\n return p;\n}\n","import {abs, asin, atan2, cos, epsilon, sign, sin, sqrt} from \"../math\";\nimport {conicProjection} from \"./conic\";\nimport {cylindricalEqualAreaRaw} from \"./cylindricalEqualArea\";\n\nexport function conicEqualAreaRaw(y0, y1) {\n var sy0 = sin(y0), n = (sy0 + sin(y1)) / 2;\n\n // Are the parallels symmetrical around the Equator?\n if (abs(n) < epsilon) return cylindricalEqualAreaRaw(y0);\n\n var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n;\n\n function project(x, y) {\n var r = sqrt(c - 2 * n * sin(y)) / n;\n return [r * sin(x *= n), r0 - r * cos(x)];\n }\n\n project.invert = function(x, y) {\n var r0y = r0 - y;\n return [atan2(x, abs(r0y)) / n * sign(r0y), asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))];\n };\n\n return project;\n}\n\nexport default function() {\n return conicProjection(conicEqualAreaRaw)\n .scale(155.424)\n .center([0, 33.6442]);\n}\n","import {asin, cos, sin} from \"../math\";\n\nexport function cylindricalEqualAreaRaw(phi0) {\n var cosPhi0 = cos(phi0);\n\n function forward(lambda, phi) {\n return [lambda * cosPhi0, sin(phi) / cosPhi0];\n }\n\n forward.invert = function(x, y) {\n return [x / cosPhi0, asin(y * cosPhi0)];\n };\n\n return forward;\n}\n","import conicEqualArea from \"./conicEqualArea\";\n\nexport default function() {\n return conicEqualArea()\n .parallels([29.5, 45.5])\n .scale(1070)\n .translate([480, 250])\n .rotate([96, 0])\n .center([-0.6, 38.7]);\n}\n","import {asin, atan2, cos, sin, sqrt} from \"../math\";\n\nexport function azimuthalRaw(scale) {\n return function(x, y) {\n var cx = cos(x),\n cy = cos(y),\n k = scale(cx * cy);\n return [\n k * cy * sin(x),\n k * sin(y)\n ];\n }\n}\n\nexport function azimuthalInvert(angle) {\n return function(x, y) {\n var z = sqrt(x * x + y * y),\n c = angle(z),\n sc = sin(c),\n cc = cos(c);\n return [\n atan2(x * sc, z * cc),\n asin(z && y * sc / z)\n ];\n }\n}\n","import {asin, sqrt} from \"../math\";\nimport {azimuthalRaw, azimuthalInvert} from \"./azimuthal\";\nimport projection from \"./index\";\n\nexport var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) {\n return sqrt(2 / (1 + cxcy));\n});\n\nazimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) {\n return 2 * asin(z / 2);\n});\n\nexport default function() {\n return projection(azimuthalEqualAreaRaw)\n .scale(124.75)\n .clipAngle(180 - 1e-3);\n}\n","import {acos, sin} from \"../math\";\nimport {azimuthalRaw, azimuthalInvert} from \"./azimuthal\";\nimport projection from \"./index\";\n\nexport var azimuthalEquidistantRaw = azimuthalRaw(function(c) {\n return (c = acos(c)) && c / sin(c);\n});\n\nazimuthalEquidistantRaw.invert = azimuthalInvert(function(z) {\n return z;\n});\n\nexport default function() {\n return projection(azimuthalEquidistantRaw)\n .scale(79.4188)\n .clipAngle(180 - 1e-3);\n}\n","import {atan, exp, halfPi, log, pi, tan, tau} from \"../math\";\nimport rotation from \"../rotation\";\nimport projection from \"./index\";\n\nexport function mercatorRaw(lambda, phi) {\n return [lambda, log(tan((halfPi + phi) / 2))];\n}\n\nmercatorRaw.invert = function(x, y) {\n return [x, 2 * atan(exp(y)) - halfPi];\n};\n\nexport default function() {\n return mercatorProjection(mercatorRaw)\n .scale(961 / tau);\n}\n\nexport function mercatorProjection(project) {\n var m = projection(project),\n center = m.center,\n scale = m.scale,\n translate = m.translate,\n clipExtent = m.clipExtent,\n x0 = null, y0, x1, y1; // clip extent\n\n m.scale = function(_) {\n return arguments.length ? (scale(_), reclip()) : scale();\n };\n\n m.translate = function(_) {\n return arguments.length ? (translate(_), reclip()) : translate();\n };\n\n m.center = function(_) {\n return arguments.length ? (center(_), reclip()) : center();\n };\n\n m.clipExtent = function(_) {\n return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]];\n };\n\n function reclip() {\n var k = pi * scale(),\n t = m(rotation(m.rotate()).invert([0, 0]));\n return clipExtent(x0 == null\n ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw\n ? [[Math.max(t[0] - k, x0), y0], [Math.min(t[0] + k, x1), y1]]\n : [[x0, Math.max(t[1] - k, y0)], [x1, Math.min(t[1] + k, y1)]]);\n }\n\n return reclip();\n}\n","import {abs, atan, atan2, cos, epsilon, halfPi, log, pow, sign, sin, sqrt, tan} from \"../math\";\nimport {conicProjection} from \"./conic\";\nimport {mercatorRaw} from \"./mercator\";\n\nfunction tany(y) {\n return tan((halfPi + y) / 2);\n}\n\nexport function conicConformalRaw(y0, y1) {\n var cy0 = cos(y0),\n n = y0 === y1 ? sin(y0) : log(cy0 / cos(y1)) / log(tany(y1) / tany(y0)),\n f = cy0 * pow(tany(y0), n) / n;\n\n if (!n) return mercatorRaw;\n\n function project(x, y) {\n if (f > 0) { if (y < -halfPi + epsilon) y = -halfPi + epsilon; }\n else { if (y > halfPi - epsilon) y = halfPi - epsilon; }\n var r = f / pow(tany(y), n);\n return [r * sin(n * x), f - r * cos(n * x)];\n }\n\n project.invert = function(x, y) {\n var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy);\n return [atan2(x, abs(fy)) / n * sign(fy), 2 * atan(pow(f / r, 1 / n)) - halfPi];\n };\n\n return project;\n}\n\nexport default function() {\n return conicProjection(conicConformalRaw)\n .scale(109.5)\n .parallels([30, 30]);\n}\n","import projection from \"./index\";\n\nexport function equirectangularRaw(lambda, phi) {\n return [lambda, phi];\n}\n\nequirectangularRaw.invert = equirectangularRaw;\n\nexport default function() {\n return projection(equirectangularRaw)\n .scale(152.63);\n}\n","import {abs, atan2, cos, epsilon, sign, sin, sqrt} from \"../math\";\nimport {conicProjection} from \"./conic\";\nimport {equirectangularRaw} from \"./equirectangular\";\n\nexport function conicEquidistantRaw(y0, y1) {\n var cy0 = cos(y0),\n n = y0 === y1 ? sin(y0) : (cy0 - cos(y1)) / (y1 - y0),\n g = cy0 / n + y0;\n\n if (abs(n) < epsilon) return equirectangularRaw;\n\n function project(x, y) {\n var gy = g - y, nx = n * x;\n return [gy * sin(nx), g - gy * cos(nx)];\n }\n\n project.invert = function(x, y) {\n var gy = g - y;\n return [atan2(x, abs(gy)) / n * sign(gy), g - sign(n) * sqrt(x * x + gy * gy)];\n };\n\n return project;\n}\n\nexport default function() {\n return conicProjection(conicEquidistantRaw)\n .scale(131.154)\n .center([0, 13.9389]);\n}\n","import {atan, cos, sin} from \"../math\";\nimport {azimuthalInvert} from \"./azimuthal\";\nimport projection from \"./index\";\n\nexport function gnomonicRaw(x, y) {\n var cy = cos(y), k = cos(x) * cy;\n return [cy * sin(x) / k, sin(y) / k];\n}\n\ngnomonicRaw.invert = azimuthalInvert(atan);\n\nexport default function() {\n return projection(gnomonicRaw)\n .scale(144.049)\n .clipAngle(60);\n}\n","import {clipExtent} from \"../clip/extent\";\nimport identity from \"../identity\";\nimport {transformer} from \"../transform\";\nimport {fitExtent, fitSize} from \"./fit\";\n\nfunction scaleTranslate(kx, ky, tx, ty) {\n return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity : transformer({\n point: function(x, y) {\n this.stream.point(x * kx + tx, y * ky + ty);\n }\n });\n}\n\nexport default function() {\n var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform = identity, // scale, translate and reflect\n x0 = null, y0, x1, y1, clip = identity, // clip extent\n cache,\n cacheStream,\n projection;\n\n function reset() {\n cache = cacheStream = null;\n return projection;\n }\n\n return projection = {\n stream: function(stream) {\n return cache && cacheStream === stream ? cache : cache = transform(clip(cacheStream = stream));\n },\n clipExtent: function(_) {\n return arguments.length ? (clip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];\n },\n scale: function(_) {\n return arguments.length ? (transform = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k;\n },\n translate: function(_) {\n return arguments.length ? (transform = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty];\n },\n reflectX: function(_) {\n return arguments.length ? (transform = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0;\n },\n reflectY: function(_) {\n return arguments.length ? (transform = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0;\n },\n fitExtent: function(extent, object) {\n return fitExtent(projection, extent, object);\n },\n fitSize: function(size, object) {\n return fitSize(projection, size, object);\n }\n };\n}\n","import projection from \"./index\";\nimport {abs, epsilon} from \"../math\";\n\nexport function naturalEarth1Raw(lambda, phi) {\n var phi2 = phi * phi, phi4 = phi2 * phi2;\n return [\n lambda * (0.8707 - 0.131979 * phi2 + phi4 * (-0.013791 + phi4 * (0.003971 * phi2 - 0.001529 * phi4))),\n phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4)))\n ];\n}\n\nnaturalEarth1Raw.invert = function(x, y) {\n var phi = y, i = 25, delta;\n do {\n var phi2 = phi * phi, phi4 = phi2 * phi2;\n phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) /\n (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4)));\n } while (abs(delta) > epsilon && --i > 0);\n return [\n x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))),\n phi\n ];\n};\n\nexport default function() {\n return projection(naturalEarth1Raw)\n .scale(175.295);\n}\n","import {asin, cos, epsilon, sin} from \"../math\";\nimport {azimuthalInvert} from \"./azimuthal\";\nimport projection from \"./index\";\n\nexport function orthographicRaw(x, y) {\n return [cos(y) * sin(x), sin(y)];\n}\n\northographicRaw.invert = azimuthalInvert(asin);\n\nexport default function() {\n return projection(orthographicRaw)\n .scale(249.5)\n .clipAngle(90 + epsilon);\n}\n","import {atan, cos, sin} from \"../math\";\nimport {azimuthalInvert} from \"./azimuthal\";\nimport projection from \"./index\";\n\nexport function stereographicRaw(x, y) {\n var cy = cos(y), k = 1 + cos(x) * cy;\n return [cy * sin(x) / k, sin(y) / k];\n}\n\nstereographicRaw.invert = azimuthalInvert(function(z) {\n return 2 * atan(z);\n});\n\nexport default function() {\n return projection(stereographicRaw)\n .scale(250)\n .clipAngle(142);\n}\n","import {atan, exp, halfPi, log, tan} from \"../math\";\nimport {mercatorProjection} from \"./mercator\";\n\nexport function transverseMercatorRaw(lambda, phi) {\n return [log(tan((halfPi + phi) / 2)), -lambda];\n}\n\ntransverseMercatorRaw.invert = function(x, y) {\n return [-y, 2 * atan(exp(x)) - halfPi];\n};\n\nexport default function() {\n var m = mercatorProjection(transverseMercatorRaw),\n center = m.center,\n rotate = m.rotate;\n\n m.center = function(_) {\n return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]);\n };\n\n m.rotate = function(_) {\n return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]);\n };\n\n return rotate([0, 0, 90])\n .scale(159.155);\n}\n","function defaultSeparation(a, b) {\n return a.parent === b.parent ? 1 : 2;\n}\n\nfunction meanX(children) {\n return children.reduce(meanXReduce, 0) / children.length;\n}\n\nfunction meanXReduce(x, c) {\n return x + c.x;\n}\n\nfunction maxY(children) {\n return 1 + children.reduce(maxYReduce, 0);\n}\n\nfunction maxYReduce(y, c) {\n return Math.max(y, c.y);\n}\n\nfunction leafLeft(node) {\n var children;\n while (children = node.children) node = children[0];\n return node;\n}\n\nfunction leafRight(node) {\n var children;\n while (children = node.children) node = children[children.length - 1];\n return node;\n}\n\nexport default function() {\n var separation = defaultSeparation,\n dx = 1,\n dy = 1,\n nodeSize = false;\n\n function cluster(root) {\n var previousNode,\n x = 0;\n\n // First walk, computing the initial x & y values.\n root.eachAfter(function(node) {\n var children = node.children;\n if (children) {\n node.x = meanX(children);\n node.y = maxY(children);\n } else {\n node.x = previousNode ? x += separation(node, previousNode) : 0;\n node.y = 0;\n previousNode = node;\n }\n });\n\n var left = leafLeft(root),\n right = leafRight(root),\n x0 = left.x - separation(left, right) / 2,\n x1 = right.x + separation(right, left) / 2;\n\n // Second walk, normalizing x & y to the desired size.\n return root.eachAfter(nodeSize ? function(node) {\n node.x = (node.x - root.x) * dx;\n node.y = (root.y - node.y) * dy;\n } : function(node) {\n node.x = (node.x - x0) / (x1 - x0) * dx;\n node.y = (1 - (root.y ? node.y / root.y : 1)) * dy;\n });\n }\n\n cluster.separation = function(x) {\n return arguments.length ? (separation = x, cluster) : separation;\n };\n\n cluster.size = function(x) {\n return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]);\n };\n\n cluster.nodeSize = function(x) {\n return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null);\n };\n\n return cluster;\n}\n","function count(node) {\n var sum = 0,\n children = node.children,\n i = children && children.length;\n if (!i) sum = 1;\n else while (--i >= 0) sum += children[i].value;\n node.value = sum;\n}\n\nexport default function() {\n return this.eachAfter(count);\n}\n","import node_count from \"./count.js\";\nimport node_each from \"./each.js\";\nimport node_eachBefore from \"./eachBefore.js\";\nimport node_eachAfter from \"./eachAfter.js\";\nimport node_sum from \"./sum.js\";\nimport node_sort from \"./sort.js\";\nimport node_path from \"./path.js\";\nimport node_ancestors from \"./ancestors.js\";\nimport node_descendants from \"./descendants.js\";\nimport node_leaves from \"./leaves.js\";\nimport node_links from \"./links.js\";\n\nexport default function hierarchy(data, children) {\n var root = new Node(data),\n valued = +data.value && (root.value = data.value),\n node,\n nodes = [root],\n child,\n childs,\n i,\n n;\n\n if (children == null) children = defaultChildren;\n\n while (node = nodes.pop()) {\n if (valued) node.value = +node.data.value;\n if ((childs = children(node.data)) && (n = childs.length)) {\n node.children = new Array(n);\n for (i = n - 1; i >= 0; --i) {\n nodes.push(child = node.children[i] = new Node(childs[i]));\n child.parent = node;\n child.depth = node.depth + 1;\n }\n }\n }\n\n return root.eachBefore(computeHeight);\n}\n\nfunction node_copy() {\n return hierarchy(this).eachBefore(copyData);\n}\n\nfunction defaultChildren(d) {\n return d.children;\n}\n\nfunction copyData(node) {\n node.data = node.data.data;\n}\n\nexport function computeHeight(node) {\n var height = 0;\n do node.height = height;\n while ((node = node.parent) && (node.height < ++height));\n}\n\nexport function Node(data) {\n this.data = data;\n this.depth =\n this.height = 0;\n this.parent = null;\n}\n\nNode.prototype = hierarchy.prototype = {\n constructor: Node,\n count: node_count,\n each: node_each,\n eachAfter: node_eachAfter,\n eachBefore: node_eachBefore,\n sum: node_sum,\n sort: node_sort,\n path: node_path,\n ancestors: node_ancestors,\n descendants: node_descendants,\n leaves: node_leaves,\n links: node_links,\n copy: node_copy\n};\n","export default function(callback) {\n var node = this, current, next = [node], children, i, n;\n do {\n current = next.reverse(), next = [];\n while (node = current.pop()) {\n callback(node), children = node.children;\n if (children) for (i = 0, n = children.length; i < n; ++i) {\n next.push(children[i]);\n }\n }\n } while (next.length);\n return this;\n}\n","export default function(callback) {\n var node = this, nodes = [node], next = [], children, i, n;\n while (node = nodes.pop()) {\n next.push(node), children = node.children;\n if (children) for (i = 0, n = children.length; i < n; ++i) {\n nodes.push(children[i]);\n }\n }\n while (node = next.pop()) {\n callback(node);\n }\n return this;\n}\n","export default function(callback) {\n var node = this, nodes = [node], children, i;\n while (node = nodes.pop()) {\n callback(node), children = node.children;\n if (children) for (i = children.length - 1; i >= 0; --i) {\n nodes.push(children[i]);\n }\n }\n return this;\n}\n","export default function(value) {\n return this.eachAfter(function(node) {\n var sum = +value(node.data) || 0,\n children = node.children,\n i = children && children.length;\n while (--i >= 0) sum += children[i].value;\n node.value = sum;\n });\n}\n","export default function(compare) {\n return this.eachBefore(function(node) {\n if (node.children) {\n node.children.sort(compare);\n }\n });\n}\n","export default function(end) {\n var start = this,\n ancestor = leastCommonAncestor(start, end),\n nodes = [start];\n while (start !== ancestor) {\n start = start.parent;\n nodes.push(start);\n }\n var k = nodes.length;\n while (end !== ancestor) {\n nodes.splice(k, 0, end);\n end = end.parent;\n }\n return nodes;\n}\n\nfunction leastCommonAncestor(a, b) {\n if (a === b) return a;\n var aNodes = a.ancestors(),\n bNodes = b.ancestors(),\n c = null;\n a = aNodes.pop();\n b = bNodes.pop();\n while (a === b) {\n c = a;\n a = aNodes.pop();\n b = bNodes.pop();\n }\n return c;\n}\n","export default function() {\n var node = this, nodes = [node];\n while (node = node.parent) {\n nodes.push(node);\n }\n return nodes;\n}\n","export default function() {\n var nodes = [];\n this.each(function(node) {\n nodes.push(node);\n });\n return nodes;\n}\n","export default function() {\n var leaves = [];\n this.eachBefore(function(node) {\n if (!node.children) {\n leaves.push(node);\n }\n });\n return leaves;\n}\n","export default function() {\n var root = this, links = [];\n root.each(function(node) {\n if (node !== root) { // Don’t include the root’s parent, if any.\n links.push({source: node.parent, target: node});\n }\n });\n return links;\n}\n","export var slice = Array.prototype.slice;\n\nexport function shuffle(array) {\n var m = array.length,\n t,\n i;\n\n while (m) {\n i = Math.random() * m-- | 0;\n t = array[m];\n array[m] = array[i];\n array[i] = t;\n }\n\n return array;\n}\n","import {shuffle, slice} from \"../array.js\";\n\nexport default function(circles) {\n var i = 0, n = (circles = shuffle(slice.call(circles))).length, B = [], p, e;\n\n while (i < n) {\n p = circles[i];\n if (e && enclosesWeak(e, p)) ++i;\n else e = encloseBasis(B = extendBasis(B, p)), i = 0;\n }\n\n return e;\n}\n\nfunction extendBasis(B, p) {\n var i, j;\n\n if (enclosesWeakAll(p, B)) return [p];\n\n // If we get here then B must have at least one element.\n for (i = 0; i < B.length; ++i) {\n if (enclosesNot(p, B[i])\n && enclosesWeakAll(encloseBasis2(B[i], p), B)) {\n return [B[i], p];\n }\n }\n\n // If we get here then B must have at least two elements.\n for (i = 0; i < B.length - 1; ++i) {\n for (j = i + 1; j < B.length; ++j) {\n if (enclosesNot(encloseBasis2(B[i], B[j]), p)\n && enclosesNot(encloseBasis2(B[i], p), B[j])\n && enclosesNot(encloseBasis2(B[j], p), B[i])\n && enclosesWeakAll(encloseBasis3(B[i], B[j], p), B)) {\n return [B[i], B[j], p];\n }\n }\n }\n\n // If we get here then something is very wrong.\n throw new Error;\n}\n\nfunction enclosesNot(a, b) {\n var dr = a.r - b.r, dx = b.x - a.x, dy = b.y - a.y;\n return dr < 0 || dr * dr < dx * dx + dy * dy;\n}\n\nfunction enclosesWeak(a, b) {\n var dr = a.r - b.r + 1e-6, dx = b.x - a.x, dy = b.y - a.y;\n return dr > 0 && dr * dr > dx * dx + dy * dy;\n}\n\nfunction enclosesWeakAll(a, B) {\n for (var i = 0; i < B.length; ++i) {\n if (!enclosesWeak(a, B[i])) {\n return false;\n }\n }\n return true;\n}\n\nfunction encloseBasis(B) {\n switch (B.length) {\n case 1: return encloseBasis1(B[0]);\n case 2: return encloseBasis2(B[0], B[1]);\n case 3: return encloseBasis3(B[0], B[1], B[2]);\n }\n}\n\nfunction encloseBasis1(a) {\n return {\n x: a.x,\n y: a.y,\n r: a.r\n };\n}\n\nfunction encloseBasis2(a, b) {\n var x1 = a.x, y1 = a.y, r1 = a.r,\n x2 = b.x, y2 = b.y, r2 = b.r,\n x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1,\n l = Math.sqrt(x21 * x21 + y21 * y21);\n return {\n x: (x1 + x2 + x21 / l * r21) / 2,\n y: (y1 + y2 + y21 / l * r21) / 2,\n r: (l + r1 + r2) / 2\n };\n}\n\nfunction encloseBasis3(a, b, c) {\n var x1 = a.x, y1 = a.y, r1 = a.r,\n x2 = b.x, y2 = b.y, r2 = b.r,\n x3 = c.x, y3 = c.y, r3 = c.r,\n a2 = x1 - x2,\n a3 = x1 - x3,\n b2 = y1 - y2,\n b3 = y1 - y3,\n c2 = r2 - r1,\n c3 = r3 - r1,\n d1 = x1 * x1 + y1 * y1 - r1 * r1,\n d2 = d1 - x2 * x2 - y2 * y2 + r2 * r2,\n d3 = d1 - x3 * x3 - y3 * y3 + r3 * r3,\n ab = a3 * b2 - a2 * b3,\n xa = (b2 * d3 - b3 * d2) / (ab * 2) - x1,\n xb = (b3 * c2 - b2 * c3) / ab,\n ya = (a3 * d2 - a2 * d3) / (ab * 2) - y1,\n yb = (a2 * c3 - a3 * c2) / ab,\n A = xb * xb + yb * yb - 1,\n B = 2 * (r1 + xa * xb + ya * yb),\n C = xa * xa + ya * ya - r1 * r1,\n r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B);\n return {\n x: x1 + xa + xb * r,\n y: y1 + ya + yb * r,\n r: r\n };\n}\n","import enclose from \"./enclose.js\";\n\nfunction place(b, a, c) {\n var dx = b.x - a.x, x, a2,\n dy = b.y - a.y, y, b2,\n d2 = dx * dx + dy * dy;\n if (d2) {\n a2 = a.r + c.r, a2 *= a2;\n b2 = b.r + c.r, b2 *= b2;\n if (a2 > b2) {\n x = (d2 + b2 - a2) / (2 * d2);\n y = Math.sqrt(Math.max(0, b2 / d2 - x * x));\n c.x = b.x - x * dx - y * dy;\n c.y = b.y - x * dy + y * dx;\n } else {\n x = (d2 + a2 - b2) / (2 * d2);\n y = Math.sqrt(Math.max(0, a2 / d2 - x * x));\n c.x = a.x + x * dx - y * dy;\n c.y = a.y + x * dy + y * dx;\n }\n } else {\n c.x = a.x + c.r;\n c.y = a.y;\n }\n}\n\nfunction intersects(a, b) {\n var dr = a.r + b.r - 1e-6, dx = b.x - a.x, dy = b.y - a.y;\n return dr > 0 && dr * dr > dx * dx + dy * dy;\n}\n\nfunction score(node) {\n var a = node._,\n b = node.next._,\n ab = a.r + b.r,\n dx = (a.x * b.r + b.x * a.r) / ab,\n dy = (a.y * b.r + b.y * a.r) / ab;\n return dx * dx + dy * dy;\n}\n\nfunction Node(circle) {\n this._ = circle;\n this.next = null;\n this.previous = null;\n}\n\nexport function packEnclose(circles) {\n if (!(n = circles.length)) return 0;\n\n var a, b, c, n, aa, ca, i, j, k, sj, sk;\n\n // Place the first circle.\n a = circles[0], a.x = 0, a.y = 0;\n if (!(n > 1)) return a.r;\n\n // Place the second circle.\n b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0;\n if (!(n > 2)) return a.r + b.r;\n\n // Place the third circle.\n place(b, a, c = circles[2]);\n\n // Initialize the front-chain using the first three circles a, b and c.\n a = new Node(a), b = new Node(b), c = new Node(c);\n a.next = c.previous = b;\n b.next = a.previous = c;\n c.next = b.previous = a;\n\n // Attempt to place each remaining circle…\n pack: for (i = 3; i < n; ++i) {\n place(a._, b._, c = circles[i]), c = new Node(c);\n\n // Find the closest intersecting circle on the front-chain, if any.\n // “Closeness” is determined by linear distance along the front-chain.\n // “Ahead” or “behind” is likewise determined by linear distance.\n j = b.next, k = a.previous, sj = b._.r, sk = a._.r;\n do {\n if (sj <= sk) {\n if (intersects(j._, c._)) {\n b = j, a.next = b, b.previous = a, --i;\n continue pack;\n }\n sj += j._.r, j = j.next;\n } else {\n if (intersects(k._, c._)) {\n a = k, a.next = b, b.previous = a, --i;\n continue pack;\n }\n sk += k._.r, k = k.previous;\n }\n } while (j !== k.next);\n\n // Success! Insert the new circle c between a and b.\n c.previous = a, c.next = b, a.next = b.previous = b = c;\n\n // Compute the new closest circle pair to the centroid.\n aa = score(a);\n while ((c = c.next) !== b) {\n if ((ca = score(c)) < aa) {\n a = c, aa = ca;\n }\n }\n b = a.next;\n }\n\n // Compute the enclosing circle of the front chain.\n a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a);\n\n // Translate the circles to put the enclosing circle around the origin.\n for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y;\n\n return c.r;\n}\n\nexport default function(circles) {\n packEnclose(circles);\n return circles;\n}\n","export function optional(f) {\n return f == null ? null : required(f);\n}\n\nexport function required(f) {\n if (typeof f !== \"function\") throw new Error;\n return f;\n}\n","export function constantZero() {\n return 0;\n}\n\nexport default function(x) {\n return function() {\n return x;\n };\n}\n","import {packEnclose} from \"./siblings.js\";\nimport {optional} from \"../accessors.js\";\nimport constant, {constantZero} from \"../constant.js\";\n\nfunction defaultRadius(d) {\n return Math.sqrt(d.value);\n}\n\nexport default function() {\n var radius = null,\n dx = 1,\n dy = 1,\n padding = constantZero;\n\n function pack(root) {\n root.x = dx / 2, root.y = dy / 2;\n if (radius) {\n root.eachBefore(radiusLeaf(radius))\n .eachAfter(packChildren(padding, 0.5))\n .eachBefore(translateChild(1));\n } else {\n root.eachBefore(radiusLeaf(defaultRadius))\n .eachAfter(packChildren(constantZero, 1))\n .eachAfter(packChildren(padding, root.r / Math.min(dx, dy)))\n .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r)));\n }\n return root;\n }\n\n pack.radius = function(x) {\n return arguments.length ? (radius = optional(x), pack) : radius;\n };\n\n pack.size = function(x) {\n return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy];\n };\n\n pack.padding = function(x) {\n return arguments.length ? (padding = typeof x === \"function\" ? x : constant(+x), pack) : padding;\n };\n\n return pack;\n}\n\nfunction radiusLeaf(radius) {\n return function(node) {\n if (!node.children) {\n node.r = Math.max(0, +radius(node) || 0);\n }\n };\n}\n\nfunction packChildren(padding, k) {\n return function(node) {\n if (children = node.children) {\n var children,\n i,\n n = children.length,\n r = padding(node) * k || 0,\n e;\n\n if (r) for (i = 0; i < n; ++i) children[i].r += r;\n e = packEnclose(children);\n if (r) for (i = 0; i < n; ++i) children[i].r -= r;\n node.r = e + r;\n }\n };\n}\n\nfunction translateChild(k) {\n return function(node) {\n var parent = node.parent;\n node.r *= k;\n if (parent) {\n node.x = parent.x + k * node.x;\n node.y = parent.y + k * node.y;\n }\n };\n}\n","export default function(node) {\n node.x0 = Math.round(node.x0);\n node.y0 = Math.round(node.y0);\n node.x1 = Math.round(node.x1);\n node.y1 = Math.round(node.y1);\n}\n","export default function(parent, x0, y0, x1, y1) {\n var nodes = parent.children,\n node,\n i = -1,\n n = nodes.length,\n k = parent.value && (x1 - x0) / parent.value;\n\n while (++i < n) {\n node = nodes[i], node.y0 = y0, node.y1 = y1;\n node.x0 = x0, node.x1 = x0 += node.value * k;\n }\n}\n","import {required} from \"./accessors.js\";\nimport {Node, computeHeight} from \"./hierarchy/index.js\";\n\nvar keyPrefix = \"$\", // Protect against keys like “__proto__”.\n preroot = {depth: -1},\n ambiguous = {};\n\nfunction defaultId(d) {\n return d.id;\n}\n\nfunction defaultParentId(d) {\n return d.parentId;\n}\n\nexport default function() {\n var id = defaultId,\n parentId = defaultParentId;\n\n function stratify(data) {\n var d,\n i,\n n = data.length,\n root,\n parent,\n node,\n nodes = new Array(n),\n nodeId,\n nodeKey,\n nodeByKey = {};\n\n for (i = 0; i < n; ++i) {\n d = data[i], node = nodes[i] = new Node(d);\n if ((nodeId = id(d, i, data)) != null && (nodeId += \"\")) {\n nodeKey = keyPrefix + (node.id = nodeId);\n nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node;\n }\n }\n\n for (i = 0; i < n; ++i) {\n node = nodes[i], nodeId = parentId(data[i], i, data);\n if (nodeId == null || !(nodeId += \"\")) {\n if (root) throw new Error(\"multiple roots\");\n root = node;\n } else {\n parent = nodeByKey[keyPrefix + nodeId];\n if (!parent) throw new Error(\"missing: \" + nodeId);\n if (parent === ambiguous) throw new Error(\"ambiguous: \" + nodeId);\n if (parent.children) parent.children.push(node);\n else parent.children = [node];\n node.parent = parent;\n }\n }\n\n if (!root) throw new Error(\"no root\");\n root.parent = preroot;\n root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight);\n root.parent = null;\n if (n > 0) throw new Error(\"cycle\");\n\n return root;\n }\n\n stratify.id = function(x) {\n return arguments.length ? (id = required(x), stratify) : id;\n };\n\n stratify.parentId = function(x) {\n return arguments.length ? (parentId = required(x), stratify) : parentId;\n };\n\n return stratify;\n}\n","import {Node} from \"./hierarchy/index.js\";\n\nfunction defaultSeparation(a, b) {\n return a.parent === b.parent ? 1 : 2;\n}\n\n// function radialSeparation(a, b) {\n// return (a.parent === b.parent ? 1 : 2) / a.depth;\n// }\n\n// This function is used to traverse the left contour of a subtree (or\n// subforest). It returns the successor of v on this contour. This successor is\n// either given by the leftmost child of v or by the thread of v. The function\n// returns null if and only if v is on the highest level of its subtree.\nfunction nextLeft(v) {\n var children = v.children;\n return children ? children[0] : v.t;\n}\n\n// This function works analogously to nextLeft.\nfunction nextRight(v) {\n var children = v.children;\n return children ? children[children.length - 1] : v.t;\n}\n\n// Shifts the current subtree rooted at w+. This is done by increasing\n// prelim(w+) and mod(w+) by shift.\nfunction moveSubtree(wm, wp, shift) {\n var change = shift / (wp.i - wm.i);\n wp.c -= change;\n wp.s += shift;\n wm.c += change;\n wp.z += shift;\n wp.m += shift;\n}\n\n// All other shifts, applied to the smaller subtrees between w- and w+, are\n// performed by this function. To prepare the shifts, we have to adjust\n// change(w+), shift(w+), and change(w-).\nfunction executeShifts(v) {\n var shift = 0,\n change = 0,\n children = v.children,\n i = children.length,\n w;\n while (--i >= 0) {\n w = children[i];\n w.z += shift;\n w.m += shift;\n shift += w.s + (change += w.c);\n }\n}\n\n// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise,\n// returns the specified (default) ancestor.\nfunction nextAncestor(vim, v, ancestor) {\n return vim.a.parent === v.parent ? vim.a : ancestor;\n}\n\nfunction TreeNode(node, i) {\n this._ = node;\n this.parent = null;\n this.children = null;\n this.A = null; // default ancestor\n this.a = this; // ancestor\n this.z = 0; // prelim\n this.m = 0; // mod\n this.c = 0; // change\n this.s = 0; // shift\n this.t = null; // thread\n this.i = i; // number\n}\n\nTreeNode.prototype = Object.create(Node.prototype);\n\nfunction treeRoot(root) {\n var tree = new TreeNode(root, 0),\n node,\n nodes = [tree],\n child,\n children,\n i,\n n;\n\n while (node = nodes.pop()) {\n if (children = node._.children) {\n node.children = new Array(n = children.length);\n for (i = n - 1; i >= 0; --i) {\n nodes.push(child = node.children[i] = new TreeNode(children[i], i));\n child.parent = node;\n }\n }\n }\n\n (tree.parent = new TreeNode(null, 0)).children = [tree];\n return tree;\n}\n\n// Node-link tree diagram using the Reingold-Tilford \"tidy\" algorithm\nexport default function() {\n var separation = defaultSeparation,\n dx = 1,\n dy = 1,\n nodeSize = null;\n\n function tree(root) {\n var t = treeRoot(root);\n\n // Compute the layout using Buchheim et al.’s algorithm.\n t.eachAfter(firstWalk), t.parent.m = -t.z;\n t.eachBefore(secondWalk);\n\n // If a fixed node size is specified, scale x and y.\n if (nodeSize) root.eachBefore(sizeNode);\n\n // If a fixed tree size is specified, scale x and y based on the extent.\n // Compute the left-most, right-most, and depth-most nodes for extents.\n else {\n var left = root,\n right = root,\n bottom = root;\n root.eachBefore(function(node) {\n if (node.x < left.x) left = node;\n if (node.x > right.x) right = node;\n if (node.depth > bottom.depth) bottom = node;\n });\n var s = left === right ? 1 : separation(left, right) / 2,\n tx = s - left.x,\n kx = dx / (right.x + s + tx),\n ky = dy / (bottom.depth || 1);\n root.eachBefore(function(node) {\n node.x = (node.x + tx) * kx;\n node.y = node.depth * ky;\n });\n }\n\n return root;\n }\n\n // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is\n // applied recursively to the children of v, as well as the function\n // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the\n // node v is placed to the midpoint of its outermost children.\n function firstWalk(v) {\n var children = v.children,\n siblings = v.parent.children,\n w = v.i ? siblings[v.i - 1] : null;\n if (children) {\n executeShifts(v);\n var midpoint = (children[0].z + children[children.length - 1].z) / 2;\n if (w) {\n v.z = w.z + separation(v._, w._);\n v.m = v.z - midpoint;\n } else {\n v.z = midpoint;\n }\n } else if (w) {\n v.z = w.z + separation(v._, w._);\n }\n v.parent.A = apportion(v, w, v.parent.A || siblings[0]);\n }\n\n // Computes all real x-coordinates by summing up the modifiers recursively.\n function secondWalk(v) {\n v._.x = v.z + v.parent.m;\n v.m += v.parent.m;\n }\n\n // The core of the algorithm. Here, a new subtree is combined with the\n // previous subtrees. Threads are used to traverse the inside and outside\n // contours of the left and right subtree up to the highest common level. The\n // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the\n // superscript o means outside and i means inside, the subscript - means left\n // subtree and + means right subtree. For summing up the modifiers along the\n // contour, we use respective variables si+, si-, so-, and so+. Whenever two\n // nodes of the inside contours conflict, we compute the left one of the\n // greatest uncommon ancestors using the function ANCESTOR and call MOVE\n // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees.\n // Finally, we add a new thread (if necessary).\n function apportion(v, w, ancestor) {\n if (w) {\n var vip = v,\n vop = v,\n vim = w,\n vom = vip.parent.children[0],\n sip = vip.m,\n sop = vop.m,\n sim = vim.m,\n som = vom.m,\n shift;\n while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) {\n vom = nextLeft(vom);\n vop = nextRight(vop);\n vop.a = v;\n shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);\n if (shift > 0) {\n moveSubtree(nextAncestor(vim, v, ancestor), v, shift);\n sip += shift;\n sop += shift;\n }\n sim += vim.m;\n sip += vip.m;\n som += vom.m;\n sop += vop.m;\n }\n if (vim && !nextRight(vop)) {\n vop.t = vim;\n vop.m += sim - sop;\n }\n if (vip && !nextLeft(vom)) {\n vom.t = vip;\n vom.m += sip - som;\n ancestor = v;\n }\n }\n return ancestor;\n }\n\n function sizeNode(node) {\n node.x *= dx;\n node.y = node.depth * dy;\n }\n\n tree.separation = function(x) {\n return arguments.length ? (separation = x, tree) : separation;\n };\n\n tree.size = function(x) {\n return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]);\n };\n\n tree.nodeSize = function(x) {\n return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null);\n };\n\n return tree;\n}\n","export default function(parent, x0, y0, x1, y1) {\n var nodes = parent.children,\n node,\n i = -1,\n n = nodes.length,\n k = parent.value && (y1 - y0) / parent.value;\n\n while (++i < n) {\n node = nodes[i], node.x0 = x0, node.x1 = x1;\n node.y0 = y0, node.y1 = y0 += node.value * k;\n }\n}\n","import treemapDice from \"./dice.js\";\nimport treemapSlice from \"./slice.js\";\n\nexport var phi = (1 + Math.sqrt(5)) / 2;\n\nexport function squarifyRatio(ratio, parent, x0, y0, x1, y1) {\n var rows = [],\n nodes = parent.children,\n row,\n nodeValue,\n i0 = 0,\n i1 = 0,\n n = nodes.length,\n dx, dy,\n value = parent.value,\n sumValue,\n minValue,\n maxValue,\n newRatio,\n minRatio,\n alpha,\n beta;\n\n while (i0 < n) {\n dx = x1 - x0, dy = y1 - y0;\n\n // Find the next non-empty node.\n do sumValue = nodes[i1++].value; while (!sumValue && i1 < n);\n minValue = maxValue = sumValue;\n alpha = Math.max(dy / dx, dx / dy) / (value * ratio);\n beta = sumValue * sumValue * alpha;\n minRatio = Math.max(maxValue / beta, beta / minValue);\n\n // Keep adding nodes while the aspect ratio maintains or improves.\n for (; i1 < n; ++i1) {\n sumValue += nodeValue = nodes[i1].value;\n if (nodeValue < minValue) minValue = nodeValue;\n if (nodeValue > maxValue) maxValue = nodeValue;\n beta = sumValue * sumValue * alpha;\n newRatio = Math.max(maxValue / beta, beta / minValue);\n if (newRatio > minRatio) { sumValue -= nodeValue; break; }\n minRatio = newRatio;\n }\n\n // Position and record the row orientation.\n rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)});\n if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1);\n else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1);\n value -= sumValue, i0 = i1;\n }\n\n return rows;\n}\n\nexport default (function custom(ratio) {\n\n function squarify(parent, x0, y0, x1, y1) {\n squarifyRatio(ratio, parent, x0, y0, x1, y1);\n }\n\n squarify.ratio = function(x) {\n return custom((x = +x) > 1 ? x : 1);\n };\n\n return squarify;\n})(phi);\n","import treemapDice from \"./dice.js\";\nimport treemapSlice from \"./slice.js\";\nimport {phi, squarifyRatio} from \"./squarify.js\";\n\nexport default (function custom(ratio) {\n\n function resquarify(parent, x0, y0, x1, y1) {\n if ((rows = parent._squarify) && (rows.ratio === ratio)) {\n var rows,\n row,\n nodes,\n i,\n j = -1,\n n,\n m = rows.length,\n value = parent.value;\n\n while (++j < m) {\n row = rows[j], nodes = row.children;\n for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value;\n if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value);\n else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1);\n value -= row.value;\n }\n } else {\n parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1);\n rows.ratio = ratio;\n }\n }\n\n resquarify.ratio = function(x) {\n return custom((x = +x) > 1 ? x : 1);\n };\n\n return resquarify;\n})(phi);\n","// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of\n// the 3D cross product in a quadrant I Cartesian coordinate system (+x is\n// right, +y is up). Returns a positive value if ABC is counter-clockwise,\n// negative if clockwise, and zero if the points are collinear.\nexport default function(a, b, c) {\n return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);\n}\n","import cross from \"./cross.js\";\n\nfunction lexicographicOrder(a, b) {\n return a[0] - b[0] || a[1] - b[1];\n}\n\n// Computes the upper convex hull per the monotone chain algorithm.\n// Assumes points.length >= 3, is sorted by x, unique in y.\n// Returns an array of indices into points in left-to-right order.\nfunction computeUpperHullIndexes(points) {\n var n = points.length,\n indexes = [0, 1],\n size = 2;\n\n for (var i = 2; i < n; ++i) {\n while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size;\n indexes[size++] = i;\n }\n\n return indexes.slice(0, size); // remove popped points\n}\n\nexport default function(points) {\n if ((n = points.length) < 3) return null;\n\n var i,\n n,\n sortedPoints = new Array(n),\n flippedPoints = new Array(n);\n\n for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i];\n sortedPoints.sort(lexicographicOrder);\n for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]];\n\n var upperIndexes = computeUpperHullIndexes(sortedPoints),\n lowerIndexes = computeUpperHullIndexes(flippedPoints);\n\n // Construct the hull polygon, removing possible duplicate endpoints.\n var skipLeft = lowerIndexes[0] === upperIndexes[0],\n skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1],\n hull = [];\n\n // Add upper hull in right-to-l order.\n // Then add lower hull in left-to-right order.\n for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]);\n for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]);\n\n return hull;\n}\n","export default function() {\n return Math.random();\n}\n","import defaultSource from \"./defaultSource\";\n\nexport default (function sourceRandomUniform(source) {\n function randomUniform(min, max) {\n min = min == null ? 0 : +min;\n max = max == null ? 1 : +max;\n if (arguments.length === 1) max = min, min = 0;\n else max -= min;\n return function() {\n return source() * max + min;\n };\n }\n\n randomUniform.source = sourceRandomUniform;\n\n return randomUniform;\n})(defaultSource);\n","import defaultSource from \"./defaultSource\";\n\nexport default (function sourceRandomNormal(source) {\n function randomNormal(mu, sigma) {\n var x, r;\n mu = mu == null ? 0 : +mu;\n sigma = sigma == null ? 1 : +sigma;\n return function() {\n var y;\n\n // If available, use the second previously-generated uniform random.\n if (x != null) y = x, x = null;\n\n // Otherwise, generate a new x and y.\n else do {\n x = source() * 2 - 1;\n y = source() * 2 - 1;\n r = x * x + y * y;\n } while (!r || r > 1);\n\n return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r);\n };\n }\n\n randomNormal.source = sourceRandomNormal;\n\n return randomNormal;\n})(defaultSource);\n","import defaultSource from \"./defaultSource\";\nimport normal from \"./normal\";\n\nexport default (function sourceRandomLogNormal(source) {\n function randomLogNormal() {\n var randomNormal = normal.source(source).apply(this, arguments);\n return function() {\n return Math.exp(randomNormal());\n };\n }\n\n randomLogNormal.source = sourceRandomLogNormal;\n\n return randomLogNormal;\n})(defaultSource);\n","import defaultSource from \"./defaultSource\";\n\nexport default (function sourceRandomIrwinHall(source) {\n function randomIrwinHall(n) {\n return function() {\n for (var sum = 0, i = 0; i < n; ++i) sum += source();\n return sum;\n };\n }\n\n randomIrwinHall.source = sourceRandomIrwinHall;\n\n return randomIrwinHall;\n})(defaultSource);\n","import defaultSource from \"./defaultSource\";\nimport irwinHall from \"./irwinHall\";\n\nexport default (function sourceRandomBates(source) {\n function randomBates(n) {\n var randomIrwinHall = irwinHall.source(source)(n);\n return function() {\n return randomIrwinHall() / n;\n };\n }\n\n randomBates.source = sourceRandomBates;\n\n return randomBates;\n})(defaultSource);\n","import defaultSource from \"./defaultSource\";\n\nexport default (function sourceRandomExponential(source) {\n function randomExponential(lambda) {\n return function() {\n return -Math.log(1 - source()) / lambda;\n };\n }\n\n randomExponential.source = sourceRandomExponential;\n\n return randomExponential;\n})(defaultSource);\n","export function initRange(domain, range) {\n switch (arguments.length) {\n case 0: break;\n case 1: this.range(domain); break;\n default: this.range(range).domain(domain); break;\n }\n return this;\n}\n\nexport function initInterpolator(domain, interpolator) {\n switch (arguments.length) {\n case 0: break;\n case 1: this.interpolator(domain); break;\n default: this.interpolator(interpolator).domain(domain); break;\n }\n return this;\n}\n","var array = Array.prototype;\n\nexport var map = array.map;\nexport var slice = array.slice;\n","import {map} from \"d3-collection\";\nimport {slice} from \"./array\";\nimport {initRange} from \"./init\";\n\nexport var implicit = {name: \"implicit\"};\n\nexport default function ordinal() {\n var index = map(),\n domain = [],\n range = [],\n unknown = implicit;\n\n function scale(d) {\n var key = d + \"\", i = index.get(key);\n if (!i) {\n if (unknown !== implicit) return unknown;\n index.set(key, i = domain.push(d));\n }\n return range[(i - 1) % range.length];\n }\n\n scale.domain = function(_) {\n if (!arguments.length) return domain.slice();\n domain = [], index = map();\n var i = -1, n = _.length, d, key;\n while (++i < n) if (!index.has(key = (d = _[i]) + \"\")) index.set(key, domain.push(d));\n return scale;\n };\n\n scale.range = function(_) {\n return arguments.length ? (range = slice.call(_), scale) : range.slice();\n };\n\n scale.unknown = function(_) {\n return arguments.length ? (unknown = _, scale) : unknown;\n };\n\n scale.copy = function() {\n return ordinal(domain, range).unknown(unknown);\n };\n\n initRange.apply(scale, arguments);\n\n return scale;\n}\n","import {range as sequence} from \"d3-array\";\nimport {initRange} from \"./init\";\nimport ordinal from \"./ordinal\";\n\nexport default function band() {\n var scale = ordinal().unknown(undefined),\n domain = scale.domain,\n ordinalRange = scale.range,\n range = [0, 1],\n step,\n bandwidth,\n round = false,\n paddingInner = 0,\n paddingOuter = 0,\n align = 0.5;\n\n delete scale.unknown;\n\n function rescale() {\n var n = domain().length,\n reverse = range[1] < range[0],\n start = range[reverse - 0],\n stop = range[1 - reverse];\n step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2);\n if (round) step = Math.floor(step);\n start += (stop - start - step * (n - paddingInner)) * align;\n bandwidth = step * (1 - paddingInner);\n if (round) start = Math.round(start), bandwidth = Math.round(bandwidth);\n var values = sequence(n).map(function(i) { return start + step * i; });\n return ordinalRange(reverse ? values.reverse() : values);\n }\n\n scale.domain = function(_) {\n return arguments.length ? (domain(_), rescale()) : domain();\n };\n\n scale.range = function(_) {\n return arguments.length ? (range = [+_[0], +_[1]], rescale()) : range.slice();\n };\n\n scale.rangeRound = function(_) {\n return range = [+_[0], +_[1]], round = true, rescale();\n };\n\n scale.bandwidth = function() {\n return bandwidth;\n };\n\n scale.step = function() {\n return step;\n };\n\n scale.round = function(_) {\n return arguments.length ? (round = !!_, rescale()) : round;\n };\n\n scale.padding = function(_) {\n return arguments.length ? (paddingInner = Math.min(1, paddingOuter = +_), rescale()) : paddingInner;\n };\n\n scale.paddingInner = function(_) {\n return arguments.length ? (paddingInner = Math.min(1, _), rescale()) : paddingInner;\n };\n\n scale.paddingOuter = function(_) {\n return arguments.length ? (paddingOuter = +_, rescale()) : paddingOuter;\n };\n\n scale.align = function(_) {\n return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align;\n };\n\n scale.copy = function() {\n return band(domain(), range)\n .round(round)\n .paddingInner(paddingInner)\n .paddingOuter(paddingOuter)\n .align(align);\n };\n\n return initRange.apply(rescale(), arguments);\n}\n\nfunction pointish(scale) {\n var copy = scale.copy;\n\n scale.padding = scale.paddingOuter;\n delete scale.paddingInner;\n delete scale.paddingOuter;\n\n scale.copy = function() {\n return pointish(copy());\n };\n\n return scale;\n}\n\nexport function point() {\n return pointish(band.apply(null, arguments).paddingInner(1));\n}\n","export default function(x) {\n return +x;\n}\n","import {bisect} from \"d3-array\";\nimport {interpolate as interpolateValue, interpolateNumber, interpolateRound} from \"d3-interpolate\";\nimport {map, slice} from \"./array\";\nimport constant from \"./constant\";\nimport number from \"./number\";\n\nvar unit = [0, 1];\n\nexport function identity(x) {\n return x;\n}\n\nfunction normalize(a, b) {\n return (b -= (a = +a))\n ? function(x) { return (x - a) / b; }\n : constant(isNaN(b) ? NaN : 0.5);\n}\n\nfunction clamper(domain) {\n var a = domain[0], b = domain[domain.length - 1], t;\n if (a > b) t = a, a = b, b = t;\n return function(x) { return Math.max(a, Math.min(b, x)); };\n}\n\n// normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1].\n// interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b].\nfunction bimap(domain, range, interpolate) {\n var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1];\n if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0);\n else d0 = normalize(d0, d1), r0 = interpolate(r0, r1);\n return function(x) { return r0(d0(x)); };\n}\n\nfunction polymap(domain, range, interpolate) {\n var j = Math.min(domain.length, range.length) - 1,\n d = new Array(j),\n r = new Array(j),\n i = -1;\n\n // Reverse descending domains.\n if (domain[j] < domain[0]) {\n domain = domain.slice().reverse();\n range = range.slice().reverse();\n }\n\n while (++i < j) {\n d[i] = normalize(domain[i], domain[i + 1]);\n r[i] = interpolate(range[i], range[i + 1]);\n }\n\n return function(x) {\n var i = bisect(domain, x, 1, j) - 1;\n return r[i](d[i](x));\n };\n}\n\nexport function copy(source, target) {\n return target\n .domain(source.domain())\n .range(source.range())\n .interpolate(source.interpolate())\n .clamp(source.clamp())\n .unknown(source.unknown());\n}\n\nexport function transformer() {\n var domain = unit,\n range = unit,\n interpolate = interpolateValue,\n transform,\n untransform,\n unknown,\n clamp = identity,\n piecewise,\n output,\n input;\n\n function rescale() {\n piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap;\n output = input = null;\n return scale;\n }\n\n function scale(x) {\n return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x)));\n }\n\n scale.invert = function(y) {\n return clamp(untransform((input || (input = piecewise(range, domain.map(transform), interpolateNumber)))(y)));\n };\n\n scale.domain = function(_) {\n return arguments.length ? (domain = map.call(_, number), clamp === identity || (clamp = clamper(domain)), rescale()) : domain.slice();\n };\n\n scale.range = function(_) {\n return arguments.length ? (range = slice.call(_), rescale()) : range.slice();\n };\n\n scale.rangeRound = function(_) {\n return range = slice.call(_), interpolate = interpolateRound, rescale();\n };\n\n scale.clamp = function(_) {\n return arguments.length ? (clamp = _ ? clamper(domain) : identity, scale) : clamp !== identity;\n };\n\n scale.interpolate = function(_) {\n return arguments.length ? (interpolate = _, rescale()) : interpolate;\n };\n\n scale.unknown = function(_) {\n return arguments.length ? (unknown = _, scale) : unknown;\n };\n\n return function(t, u) {\n transform = t, untransform = u;\n return rescale();\n };\n}\n\nexport default function continuous(transform, untransform) {\n return transformer()(transform, untransform);\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","import {tickStep} from \"d3-array\";\nimport {format, formatPrefix, formatSpecifier, precisionFixed, precisionPrefix, precisionRound} from \"d3-format\";\n\nexport default function(start, stop, count, specifier) {\n var step = tickStep(start, stop, count),\n precision;\n specifier = formatSpecifier(specifier == null ? \",f\" : specifier);\n switch (specifier.type) {\n case \"s\": {\n var value = Math.max(Math.abs(start), Math.abs(stop));\n if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision;\n return formatPrefix(specifier, value);\n }\n case \"\":\n case \"e\":\n case \"g\":\n case \"p\":\n case \"r\": {\n if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === \"e\");\n break;\n }\n case \"f\":\n case \"%\": {\n if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === \"%\") * 2;\n break;\n }\n }\n return format(specifier);\n}\n","import {ticks, tickIncrement} from \"d3-array\";\nimport continuous, {copy, identity} from \"./continuous\";\nimport {initRange} from \"./init\";\nimport tickFormat from \"./tickFormat\";\n\nexport function linearish(scale) {\n var domain = scale.domain;\n\n scale.ticks = function(count) {\n var d = domain();\n return ticks(d[0], d[d.length - 1], count == null ? 10 : count);\n };\n\n scale.tickFormat = function(count, specifier) {\n var d = domain();\n return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier);\n };\n\n scale.nice = function(count) {\n if (count == null) count = 10;\n\n var d = domain(),\n i0 = 0,\n i1 = d.length - 1,\n start = d[i0],\n stop = d[i1],\n step;\n\n if (stop < start) {\n step = start, start = stop, stop = step;\n step = i0, i0 = i1, i1 = step;\n }\n\n step = tickIncrement(start, stop, count);\n\n if (step > 0) {\n start = Math.floor(start / step) * step;\n stop = Math.ceil(stop / step) * step;\n step = tickIncrement(start, stop, count);\n } else if (step < 0) {\n start = Math.ceil(start * step) / step;\n stop = Math.floor(stop * step) / step;\n step = tickIncrement(start, stop, count);\n }\n\n if (step > 0) {\n d[i0] = Math.floor(start / step) * step;\n d[i1] = Math.ceil(stop / step) * step;\n domain(d);\n } else if (step < 0) {\n d[i0] = Math.ceil(start * step) / step;\n d[i1] = Math.floor(stop * step) / step;\n domain(d);\n }\n\n return scale;\n };\n\n return scale;\n}\n\nexport default function linear() {\n var scale = continuous(identity, identity);\n\n scale.copy = function() {\n return copy(scale, linear());\n };\n\n initRange.apply(scale, arguments);\n\n return linearish(scale);\n}\n","export default function(domain, interval) {\n domain = domain.slice();\n\n var i0 = 0,\n i1 = domain.length - 1,\n x0 = domain[i0],\n x1 = domain[i1],\n t;\n\n if (x1 < x0) {\n t = i0, i0 = i1, i1 = t;\n t = x0, x0 = x1, x1 = t;\n }\n\n domain[i0] = interval.floor(x0);\n domain[i1] = interval.ceil(x1);\n return domain;\n}\n","import {ticks} from \"d3-array\";\nimport {format} from \"d3-format\";\nimport nice from \"./nice\";\nimport {copy, transformer} from \"./continuous\";\nimport {initRange} from \"./init\";\n\nfunction transformLog(x) {\n return Math.log(x);\n}\n\nfunction transformExp(x) {\n return Math.exp(x);\n}\n\nfunction transformLogn(x) {\n return -Math.log(-x);\n}\n\nfunction transformExpn(x) {\n return -Math.exp(-x);\n}\n\nfunction pow10(x) {\n return isFinite(x) ? +(\"1e\" + x) : x < 0 ? 0 : x;\n}\n\nfunction powp(base) {\n return base === 10 ? pow10\n : base === Math.E ? Math.exp\n : function(x) { return Math.pow(base, x); };\n}\n\nfunction logp(base) {\n return base === Math.E ? Math.log\n : base === 10 && Math.log10\n || base === 2 && Math.log2\n || (base = Math.log(base), function(x) { return Math.log(x) / base; });\n}\n\nfunction reflect(f) {\n return function(x) {\n return -f(-x);\n };\n}\n\nexport function loggish(transform) {\n var scale = transform(transformLog, transformExp),\n domain = scale.domain,\n base = 10,\n logs,\n pows;\n\n function rescale() {\n logs = logp(base), pows = powp(base);\n if (domain()[0] < 0) {\n logs = reflect(logs), pows = reflect(pows);\n transform(transformLogn, transformExpn);\n } else {\n transform(transformLog, transformExp);\n }\n return scale;\n }\n\n scale.base = function(_) {\n return arguments.length ? (base = +_, rescale()) : base;\n };\n\n scale.domain = function(_) {\n return arguments.length ? (domain(_), rescale()) : domain();\n };\n\n scale.ticks = function(count) {\n var d = domain(),\n u = d[0],\n v = d[d.length - 1],\n r;\n\n if (r = v < u) i = u, u = v, v = i;\n\n var i = logs(u),\n j = logs(v),\n p,\n k,\n t,\n n = count == null ? 10 : +count,\n z = [];\n\n if (!(base % 1) && j - i < n) {\n i = Math.round(i) - 1, j = Math.round(j) + 1;\n if (u > 0) for (; i < j; ++i) {\n for (k = 1, p = pows(i); k < base; ++k) {\n t = p * k;\n if (t < u) continue;\n if (t > v) break;\n z.push(t);\n }\n } else for (; i < j; ++i) {\n for (k = base - 1, p = pows(i); k >= 1; --k) {\n t = p * k;\n if (t < u) continue;\n if (t > v) break;\n z.push(t);\n }\n }\n } else {\n z = ticks(i, j, Math.min(j - i, n)).map(pows);\n }\n\n return r ? z.reverse() : z;\n };\n\n scale.tickFormat = function(count, specifier) {\n if (specifier == null) specifier = base === 10 ? \".0e\" : \",\";\n if (typeof specifier !== \"function\") specifier = format(specifier);\n if (count === Infinity) return specifier;\n if (count == null) count = 10;\n var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate?\n return function(d) {\n var i = d / pows(Math.round(logs(d)));\n if (i * base < base - 0.5) i *= base;\n return i <= k ? specifier(d) : \"\";\n };\n };\n\n scale.nice = function() {\n return domain(nice(domain(), {\n floor: function(x) { return pows(Math.floor(logs(x))); },\n ceil: function(x) { return pows(Math.ceil(logs(x))); }\n }));\n };\n\n return scale;\n}\n\nexport default function log() {\n var scale = loggish(transformer()).domain([1, 10]);\n\n scale.copy = function() {\n return copy(scale, log()).base(scale.base());\n };\n\n initRange.apply(scale, arguments);\n\n return scale;\n}\n","import {linearish} from \"./linear\";\nimport {copy, transformer} from \"./continuous\";\nimport {initRange} from \"./init\";\n\nfunction transformSymlog(c) {\n return function(x) {\n return Math.sign(x) * Math.log1p(Math.abs(x / c));\n };\n}\n\nfunction transformSymexp(c) {\n return function(x) {\n return Math.sign(x) * Math.expm1(Math.abs(x)) * c;\n };\n}\n\nexport function symlogish(transform) {\n var c = 1, scale = transform(transformSymlog(c), transformSymexp(c));\n\n scale.constant = function(_) {\n return arguments.length ? transform(transformSymlog(c = +_), transformSymexp(c)) : c;\n };\n\n return linearish(scale);\n}\n\nexport default function symlog() {\n var scale = symlogish(transformer());\n\n scale.copy = function() {\n return copy(scale, symlog()).constant(scale.constant());\n };\n\n return initRange.apply(scale, arguments);\n}\n","import {linearish} from \"./linear\";\nimport {copy, identity, transformer} from \"./continuous\";\nimport {initRange} from \"./init\";\n\nfunction transformPow(exponent) {\n return function(x) {\n return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent);\n };\n}\n\nfunction transformSqrt(x) {\n return x < 0 ? -Math.sqrt(-x) : Math.sqrt(x);\n}\n\nfunction transformSquare(x) {\n return x < 0 ? -x * x : x * x;\n}\n\nexport function powish(transform) {\n var scale = transform(identity, identity),\n exponent = 1;\n\n function rescale() {\n return exponent === 1 ? transform(identity, identity)\n : exponent === 0.5 ? transform(transformSqrt, transformSquare)\n : transform(transformPow(exponent), transformPow(1 / exponent));\n }\n\n scale.exponent = function(_) {\n return arguments.length ? (exponent = +_, rescale()) : exponent;\n };\n\n return linearish(scale);\n}\n\nexport default function pow() {\n var scale = powish(transformer());\n\n scale.copy = function() {\n return copy(scale, pow()).exponent(scale.exponent());\n };\n\n initRange.apply(scale, arguments);\n\n return scale;\n}\n\nexport function sqrt() {\n return pow.apply(null, arguments).exponent(0.5);\n}\n","var t0 = new Date,\n t1 = new Date;\n\nexport default function newInterval(floori, offseti, count, field) {\n\n function interval(date) {\n return floori(date = arguments.length === 0 ? new Date : new Date(+date)), date;\n }\n\n interval.floor = function(date) {\n return floori(date = new Date(+date)), date;\n };\n\n interval.ceil = function(date) {\n return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date;\n };\n\n interval.round = function(date) {\n var d0 = interval(date),\n d1 = interval.ceil(date);\n return date - d0 < d1 - date ? d0 : d1;\n };\n\n interval.offset = function(date, step) {\n return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date;\n };\n\n interval.range = function(start, stop, step) {\n var range = [], previous;\n start = interval.ceil(start);\n step = step == null ? 1 : Math.floor(step);\n if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date\n do range.push(previous = new Date(+start)), offseti(start, step), floori(start);\n while (previous < start && start < stop);\n return range;\n };\n\n interval.filter = function(test) {\n return newInterval(function(date) {\n if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1);\n }, function(date, step) {\n if (date >= date) {\n if (step < 0) while (++step <= 0) {\n while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty\n } else while (--step >= 0) {\n while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty\n }\n }\n });\n };\n\n if (count) {\n interval.count = function(start, end) {\n t0.setTime(+start), t1.setTime(+end);\n floori(t0), floori(t1);\n return Math.floor(count(t0, t1));\n };\n\n interval.every = function(step) {\n step = Math.floor(step);\n return !isFinite(step) || !(step > 0) ? null\n : !(step > 1) ? interval\n : interval.filter(field\n ? function(d) { return field(d) % step === 0; }\n : function(d) { return interval.count(0, d) % step === 0; });\n };\n }\n\n return interval;\n}\n","import interval from \"./interval.js\";\n\nvar millisecond = interval(function() {\n // noop\n}, function(date, step) {\n date.setTime(+date + step);\n}, function(start, end) {\n return end - start;\n});\n\n// An optimized implementation for this simple case.\nmillisecond.every = function(k) {\n k = Math.floor(k);\n if (!isFinite(k) || !(k > 0)) return null;\n if (!(k > 1)) return millisecond;\n return interval(function(date) {\n date.setTime(Math.floor(date / k) * k);\n }, function(date, step) {\n date.setTime(+date + step * k);\n }, function(start, end) {\n return (end - start) / k;\n });\n};\n\nexport default millisecond;\nexport var milliseconds = millisecond.range;\n","export var durationSecond = 1e3;\nexport var durationMinute = 6e4;\nexport var durationHour = 36e5;\nexport var durationDay = 864e5;\nexport var durationWeek = 6048e5;\n","import interval from \"./interval.js\";\nimport {durationSecond} from \"./duration.js\";\n\nvar second = interval(function(date) {\n date.setTime(date - date.getMilliseconds());\n}, function(date, step) {\n date.setTime(+date + step * durationSecond);\n}, function(start, end) {\n return (end - start) / durationSecond;\n}, function(date) {\n return date.getUTCSeconds();\n});\n\nexport default second;\nexport var seconds = second.range;\n","import interval from \"./interval.js\";\nimport {durationMinute, durationSecond} from \"./duration.js\";\n\nvar minute = interval(function(date) {\n date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond);\n}, function(date, step) {\n date.setTime(+date + step * durationMinute);\n}, function(start, end) {\n return (end - start) / durationMinute;\n}, function(date) {\n return date.getMinutes();\n});\n\nexport default minute;\nexport var minutes = minute.range;\n","import interval from \"./interval.js\";\nimport {durationHour, durationMinute, durationSecond} from \"./duration.js\";\n\nvar hour = interval(function(date) {\n date.setTime(date - date.getMilliseconds() - date.getSeconds() * durationSecond - date.getMinutes() * durationMinute);\n}, function(date, step) {\n date.setTime(+date + step * durationHour);\n}, function(start, end) {\n return (end - start) / durationHour;\n}, function(date) {\n return date.getHours();\n});\n\nexport default hour;\nexport var hours = hour.range;\n","import interval from \"./interval.js\";\nimport {durationDay, durationMinute} from \"./duration.js\";\n\nvar day = interval(function(date) {\n date.setHours(0, 0, 0, 0);\n}, function(date, step) {\n date.setDate(date.getDate() + step);\n}, function(start, end) {\n return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay;\n}, function(date) {\n return date.getDate() - 1;\n});\n\nexport default day;\nexport var days = day.range;\n","import interval from \"./interval.js\";\nimport {durationMinute, durationWeek} from \"./duration.js\";\n\nfunction weekday(i) {\n return interval(function(date) {\n date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7);\n date.setHours(0, 0, 0, 0);\n }, function(date, step) {\n date.setDate(date.getDate() + step * 7);\n }, function(start, end) {\n return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek;\n });\n}\n\nexport var sunday = weekday(0);\nexport var monday = weekday(1);\nexport var tuesday = weekday(2);\nexport var wednesday = weekday(3);\nexport var thursday = weekday(4);\nexport var friday = weekday(5);\nexport var saturday = weekday(6);\n\nexport var sundays = sunday.range;\nexport var mondays = monday.range;\nexport var tuesdays = tuesday.range;\nexport var wednesdays = wednesday.range;\nexport var thursdays = thursday.range;\nexport var fridays = friday.range;\nexport var saturdays = saturday.range;\n","import interval from \"./interval.js\";\n\nvar month = interval(function(date) {\n date.setDate(1);\n date.setHours(0, 0, 0, 0);\n}, function(date, step) {\n date.setMonth(date.getMonth() + step);\n}, function(start, end) {\n return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12;\n}, function(date) {\n return date.getMonth();\n});\n\nexport default month;\nexport var months = month.range;\n","import interval from \"./interval.js\";\n\nvar year = interval(function(date) {\n date.setMonth(0, 1);\n date.setHours(0, 0, 0, 0);\n}, function(date, step) {\n date.setFullYear(date.getFullYear() + step);\n}, function(start, end) {\n return end.getFullYear() - start.getFullYear();\n}, function(date) {\n return date.getFullYear();\n});\n\n// An optimized implementation for this simple case.\nyear.every = function(k) {\n return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : interval(function(date) {\n date.setFullYear(Math.floor(date.getFullYear() / k) * k);\n date.setMonth(0, 1);\n date.setHours(0, 0, 0, 0);\n }, function(date, step) {\n date.setFullYear(date.getFullYear() + step * k);\n });\n};\n\nexport default year;\nexport var years = year.range;\n","import interval from \"./interval.js\";\nimport {durationMinute} from \"./duration.js\";\n\nvar utcMinute = interval(function(date) {\n date.setUTCSeconds(0, 0);\n}, function(date, step) {\n date.setTime(+date + step * durationMinute);\n}, function(start, end) {\n return (end - start) / durationMinute;\n}, function(date) {\n return date.getUTCMinutes();\n});\n\nexport default utcMinute;\nexport var utcMinutes = utcMinute.range;\n","import interval from \"./interval.js\";\nimport {durationHour} from \"./duration.js\";\n\nvar utcHour = interval(function(date) {\n date.setUTCMinutes(0, 0, 0);\n}, function(date, step) {\n date.setTime(+date + step * durationHour);\n}, function(start, end) {\n return (end - start) / durationHour;\n}, function(date) {\n return date.getUTCHours();\n});\n\nexport default utcHour;\nexport var utcHours = utcHour.range;\n","import interval from \"./interval.js\";\nimport {durationDay} from \"./duration.js\";\n\nvar utcDay = interval(function(date) {\n date.setUTCHours(0, 0, 0, 0);\n}, function(date, step) {\n date.setUTCDate(date.getUTCDate() + step);\n}, function(start, end) {\n return (end - start) / durationDay;\n}, function(date) {\n return date.getUTCDate() - 1;\n});\n\nexport default utcDay;\nexport var utcDays = utcDay.range;\n","import interval from \"./interval.js\";\nimport {durationWeek} from \"./duration.js\";\n\nfunction utcWeekday(i) {\n return interval(function(date) {\n date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7);\n date.setUTCHours(0, 0, 0, 0);\n }, function(date, step) {\n date.setUTCDate(date.getUTCDate() + step * 7);\n }, function(start, end) {\n return (end - start) / durationWeek;\n });\n}\n\nexport var utcSunday = utcWeekday(0);\nexport var utcMonday = utcWeekday(1);\nexport var utcTuesday = utcWeekday(2);\nexport var utcWednesday = utcWeekday(3);\nexport var utcThursday = utcWeekday(4);\nexport var utcFriday = utcWeekday(5);\nexport var utcSaturday = utcWeekday(6);\n\nexport var utcSundays = utcSunday.range;\nexport var utcMondays = utcMonday.range;\nexport var utcTuesdays = utcTuesday.range;\nexport var utcWednesdays = utcWednesday.range;\nexport var utcThursdays = utcThursday.range;\nexport var utcFridays = utcFriday.range;\nexport var utcSaturdays = utcSaturday.range;\n","import interval from \"./interval.js\";\n\nvar utcMonth = interval(function(date) {\n date.setUTCDate(1);\n date.setUTCHours(0, 0, 0, 0);\n}, function(date, step) {\n date.setUTCMonth(date.getUTCMonth() + step);\n}, function(start, end) {\n return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12;\n}, function(date) {\n return date.getUTCMonth();\n});\n\nexport default utcMonth;\nexport var utcMonths = utcMonth.range;\n","import interval from \"./interval.js\";\n\nvar utcYear = interval(function(date) {\n date.setUTCMonth(0, 1);\n date.setUTCHours(0, 0, 0, 0);\n}, function(date, step) {\n date.setUTCFullYear(date.getUTCFullYear() + step);\n}, function(start, end) {\n return end.getUTCFullYear() - start.getUTCFullYear();\n}, function(date) {\n return date.getUTCFullYear();\n});\n\n// An optimized implementation for this simple case.\nutcYear.every = function(k) {\n return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : interval(function(date) {\n date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k);\n date.setUTCMonth(0, 1);\n date.setUTCHours(0, 0, 0, 0);\n }, function(date, step) {\n date.setUTCFullYear(date.getUTCFullYear() + step * k);\n });\n};\n\nexport default utcYear;\nexport var utcYears = utcYear.range;\n","import {\n timeDay,\n timeSunday,\n timeMonday,\n timeThursday,\n timeYear,\n utcDay,\n utcSunday,\n utcMonday,\n utcThursday,\n utcYear\n} from \"d3-time\";\n\nfunction localDate(d) {\n if (0 <= d.y && d.y < 100) {\n var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L);\n date.setFullYear(d.y);\n return date;\n }\n return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L);\n}\n\nfunction utcDate(d) {\n if (0 <= d.y && d.y < 100) {\n var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L));\n date.setUTCFullYear(d.y);\n return date;\n }\n return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L));\n}\n\nfunction newDate(y, m, d) {\n return {y: y, m: m, d: d, H: 0, M: 0, S: 0, L: 0};\n}\n\nexport default function formatLocale(locale) {\n var locale_dateTime = locale.dateTime,\n locale_date = locale.date,\n locale_time = locale.time,\n locale_periods = locale.periods,\n locale_weekdays = locale.days,\n locale_shortWeekdays = locale.shortDays,\n locale_months = locale.months,\n locale_shortMonths = locale.shortMonths;\n\n var periodRe = formatRe(locale_periods),\n periodLookup = formatLookup(locale_periods),\n weekdayRe = formatRe(locale_weekdays),\n weekdayLookup = formatLookup(locale_weekdays),\n shortWeekdayRe = formatRe(locale_shortWeekdays),\n shortWeekdayLookup = formatLookup(locale_shortWeekdays),\n monthRe = formatRe(locale_months),\n monthLookup = formatLookup(locale_months),\n shortMonthRe = formatRe(locale_shortMonths),\n shortMonthLookup = formatLookup(locale_shortMonths);\n\n var formats = {\n \"a\": formatShortWeekday,\n \"A\": formatWeekday,\n \"b\": formatShortMonth,\n \"B\": formatMonth,\n \"c\": null,\n \"d\": formatDayOfMonth,\n \"e\": formatDayOfMonth,\n \"f\": formatMicroseconds,\n \"g\": formatYearISO,\n \"G\": formatFullYearISO,\n \"H\": formatHour24,\n \"I\": formatHour12,\n \"j\": formatDayOfYear,\n \"L\": formatMilliseconds,\n \"m\": formatMonthNumber,\n \"M\": formatMinutes,\n \"p\": formatPeriod,\n \"q\": formatQuarter,\n \"Q\": formatUnixTimestamp,\n \"s\": formatUnixTimestampSeconds,\n \"S\": formatSeconds,\n \"u\": formatWeekdayNumberMonday,\n \"U\": formatWeekNumberSunday,\n \"V\": formatWeekNumberISO,\n \"w\": formatWeekdayNumberSunday,\n \"W\": formatWeekNumberMonday,\n \"x\": null,\n \"X\": null,\n \"y\": formatYear,\n \"Y\": formatFullYear,\n \"Z\": formatZone,\n \"%\": formatLiteralPercent\n };\n\n var utcFormats = {\n \"a\": formatUTCShortWeekday,\n \"A\": formatUTCWeekday,\n \"b\": formatUTCShortMonth,\n \"B\": formatUTCMonth,\n \"c\": null,\n \"d\": formatUTCDayOfMonth,\n \"e\": formatUTCDayOfMonth,\n \"f\": formatUTCMicroseconds,\n \"g\": formatUTCYearISO,\n \"G\": formatUTCFullYearISO,\n \"H\": formatUTCHour24,\n \"I\": formatUTCHour12,\n \"j\": formatUTCDayOfYear,\n \"L\": formatUTCMilliseconds,\n \"m\": formatUTCMonthNumber,\n \"M\": formatUTCMinutes,\n \"p\": formatUTCPeriod,\n \"q\": formatUTCQuarter,\n \"Q\": formatUnixTimestamp,\n \"s\": formatUnixTimestampSeconds,\n \"S\": formatUTCSeconds,\n \"u\": formatUTCWeekdayNumberMonday,\n \"U\": formatUTCWeekNumberSunday,\n \"V\": formatUTCWeekNumberISO,\n \"w\": formatUTCWeekdayNumberSunday,\n \"W\": formatUTCWeekNumberMonday,\n \"x\": null,\n \"X\": null,\n \"y\": formatUTCYear,\n \"Y\": formatUTCFullYear,\n \"Z\": formatUTCZone,\n \"%\": formatLiteralPercent\n };\n\n var parses = {\n \"a\": parseShortWeekday,\n \"A\": parseWeekday,\n \"b\": parseShortMonth,\n \"B\": parseMonth,\n \"c\": parseLocaleDateTime,\n \"d\": parseDayOfMonth,\n \"e\": parseDayOfMonth,\n \"f\": parseMicroseconds,\n \"g\": parseYear,\n \"G\": parseFullYear,\n \"H\": parseHour24,\n \"I\": parseHour24,\n \"j\": parseDayOfYear,\n \"L\": parseMilliseconds,\n \"m\": parseMonthNumber,\n \"M\": parseMinutes,\n \"p\": parsePeriod,\n \"q\": parseQuarter,\n \"Q\": parseUnixTimestamp,\n \"s\": parseUnixTimestampSeconds,\n \"S\": parseSeconds,\n \"u\": parseWeekdayNumberMonday,\n \"U\": parseWeekNumberSunday,\n \"V\": parseWeekNumberISO,\n \"w\": parseWeekdayNumberSunday,\n \"W\": parseWeekNumberMonday,\n \"x\": parseLocaleDate,\n \"X\": parseLocaleTime,\n \"y\": parseYear,\n \"Y\": parseFullYear,\n \"Z\": parseZone,\n \"%\": parseLiteralPercent\n };\n\n // These recursive directive definitions must be deferred.\n formats.x = newFormat(locale_date, formats);\n formats.X = newFormat(locale_time, formats);\n formats.c = newFormat(locale_dateTime, formats);\n utcFormats.x = newFormat(locale_date, utcFormats);\n utcFormats.X = newFormat(locale_time, utcFormats);\n utcFormats.c = newFormat(locale_dateTime, utcFormats);\n\n function newFormat(specifier, formats) {\n return function(date) {\n var string = [],\n i = -1,\n j = 0,\n n = specifier.length,\n c,\n pad,\n format;\n\n if (!(date instanceof Date)) date = new Date(+date);\n\n while (++i < n) {\n if (specifier.charCodeAt(i) === 37) {\n string.push(specifier.slice(j, i));\n if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i);\n else pad = c === \"e\" ? \" \" : \"0\";\n if (format = formats[c]) c = format(date, pad);\n string.push(c);\n j = i + 1;\n }\n }\n\n string.push(specifier.slice(j, i));\n return string.join(\"\");\n };\n }\n\n function newParse(specifier, Z) {\n return function(string) {\n var d = newDate(1900, undefined, 1),\n i = parseSpecifier(d, specifier, string += \"\", 0),\n week, day;\n if (i != string.length) return null;\n\n // If a UNIX timestamp is specified, return it.\n if (\"Q\" in d) return new Date(d.Q);\n if (\"s\" in d) return new Date(d.s * 1000 + (\"L\" in d ? d.L : 0));\n\n // If this is utcParse, never use the local timezone.\n if (Z && !(\"Z\" in d)) d.Z = 0;\n\n // The am-pm flag is 0 for AM, and 1 for PM.\n if (\"p\" in d) d.H = d.H % 12 + d.p * 12;\n\n // If the month was not specified, inherit from the quarter.\n if (d.m === undefined) d.m = \"q\" in d ? d.q : 0;\n\n // Convert day-of-week and week-of-year to day-of-year.\n if (\"V\" in d) {\n if (d.V < 1 || d.V > 53) return null;\n if (!(\"w\" in d)) d.w = 1;\n if (\"Z\" in d) {\n week = utcDate(newDate(d.y, 0, 1)), day = week.getUTCDay();\n week = day > 4 || day === 0 ? utcMonday.ceil(week) : utcMonday(week);\n week = utcDay.offset(week, (d.V - 1) * 7);\n d.y = week.getUTCFullYear();\n d.m = week.getUTCMonth();\n d.d = week.getUTCDate() + (d.w + 6) % 7;\n } else {\n week = localDate(newDate(d.y, 0, 1)), day = week.getDay();\n week = day > 4 || day === 0 ? timeMonday.ceil(week) : timeMonday(week);\n week = timeDay.offset(week, (d.V - 1) * 7);\n d.y = week.getFullYear();\n d.m = week.getMonth();\n d.d = week.getDate() + (d.w + 6) % 7;\n }\n } else if (\"W\" in d || \"U\" in d) {\n if (!(\"w\" in d)) d.w = \"u\" in d ? d.u % 7 : \"W\" in d ? 1 : 0;\n day = \"Z\" in d ? utcDate(newDate(d.y, 0, 1)).getUTCDay() : localDate(newDate(d.y, 0, 1)).getDay();\n d.m = 0;\n d.d = \"W\" in d ? (d.w + 6) % 7 + d.W * 7 - (day + 5) % 7 : d.w + d.U * 7 - (day + 6) % 7;\n }\n\n // If a time zone is specified, all fields are interpreted as UTC and then\n // offset according to the specified time zone.\n if (\"Z\" in d) {\n d.H += d.Z / 100 | 0;\n d.M += d.Z % 100;\n return utcDate(d);\n }\n\n // Otherwise, all fields are in local time.\n return localDate(d);\n };\n }\n\n function parseSpecifier(d, specifier, string, j) {\n var i = 0,\n n = specifier.length,\n m = string.length,\n c,\n parse;\n\n while (i < n) {\n if (j >= m) return -1;\n c = specifier.charCodeAt(i++);\n if (c === 37) {\n c = specifier.charAt(i++);\n parse = parses[c in pads ? specifier.charAt(i++) : c];\n if (!parse || ((j = parse(d, string, j)) < 0)) return -1;\n } else if (c != string.charCodeAt(j++)) {\n return -1;\n }\n }\n\n return j;\n }\n\n function parsePeriod(d, string, i) {\n var n = periodRe.exec(string.slice(i));\n return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1;\n }\n\n function parseShortWeekday(d, string, i) {\n var n = shortWeekdayRe.exec(string.slice(i));\n return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;\n }\n\n function parseWeekday(d, string, i) {\n var n = weekdayRe.exec(string.slice(i));\n return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;\n }\n\n function parseShortMonth(d, string, i) {\n var n = shortMonthRe.exec(string.slice(i));\n return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1;\n }\n\n function parseMonth(d, string, i) {\n var n = monthRe.exec(string.slice(i));\n return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1;\n }\n\n function parseLocaleDateTime(d, string, i) {\n return parseSpecifier(d, locale_dateTime, string, i);\n }\n\n function parseLocaleDate(d, string, i) {\n return parseSpecifier(d, locale_date, string, i);\n }\n\n function parseLocaleTime(d, string, i) {\n return parseSpecifier(d, locale_time, string, i);\n }\n\n function formatShortWeekday(d) {\n return locale_shortWeekdays[d.getDay()];\n }\n\n function formatWeekday(d) {\n return locale_weekdays[d.getDay()];\n }\n\n function formatShortMonth(d) {\n return locale_shortMonths[d.getMonth()];\n }\n\n function formatMonth(d) {\n return locale_months[d.getMonth()];\n }\n\n function formatPeriod(d) {\n return locale_periods[+(d.getHours() >= 12)];\n }\n\n function formatQuarter(d) {\n return 1 + ~~(d.getMonth() / 3);\n }\n\n function formatUTCShortWeekday(d) {\n return locale_shortWeekdays[d.getUTCDay()];\n }\n\n function formatUTCWeekday(d) {\n return locale_weekdays[d.getUTCDay()];\n }\n\n function formatUTCShortMonth(d) {\n return locale_shortMonths[d.getUTCMonth()];\n }\n\n function formatUTCMonth(d) {\n return locale_months[d.getUTCMonth()];\n }\n\n function formatUTCPeriod(d) {\n return locale_periods[+(d.getUTCHours() >= 12)];\n }\n\n function formatUTCQuarter(d) {\n return 1 + ~~(d.getUTCMonth() / 3);\n }\n\n return {\n format: function(specifier) {\n var f = newFormat(specifier += \"\", formats);\n f.toString = function() { return specifier; };\n return f;\n },\n parse: function(specifier) {\n var p = newParse(specifier += \"\", false);\n p.toString = function() { return specifier; };\n return p;\n },\n utcFormat: function(specifier) {\n var f = newFormat(specifier += \"\", utcFormats);\n f.toString = function() { return specifier; };\n return f;\n },\n utcParse: function(specifier) {\n var p = newParse(specifier += \"\", true);\n p.toString = function() { return specifier; };\n return p;\n }\n };\n}\n\nvar pads = {\"-\": \"\", \"_\": \" \", \"0\": \"0\"},\n numberRe = /^\\s*\\d+/, // note: ignores next directive\n percentRe = /^%/,\n requoteRe = /[\\\\^$*+?|[\\]().{}]/g;\n\nfunction pad(value, fill, width) {\n var sign = value < 0 ? \"-\" : \"\",\n string = (sign ? -value : value) + \"\",\n length = string.length;\n return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);\n}\n\nfunction requote(s) {\n return s.replace(requoteRe, \"\\\\$&\");\n}\n\nfunction formatRe(names) {\n return new RegExp(\"^(?:\" + names.map(requote).join(\"|\") + \")\", \"i\");\n}\n\nfunction formatLookup(names) {\n var map = {}, i = -1, n = names.length;\n while (++i < n) map[names[i].toLowerCase()] = i;\n return map;\n}\n\nfunction parseWeekdayNumberSunday(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 1));\n return n ? (d.w = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseWeekdayNumberMonday(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 1));\n return n ? (d.u = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseWeekNumberSunday(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.U = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseWeekNumberISO(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.V = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseWeekNumberMonday(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.W = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseFullYear(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 4));\n return n ? (d.y = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseYear(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1;\n}\n\nfunction parseZone(d, string, i) {\n var n = /^(Z)|([+-]\\d\\d)(?::?(\\d\\d))?/.exec(string.slice(i, i + 6));\n return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || \"00\")), i + n[0].length) : -1;\n}\n\nfunction parseQuarter(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 1));\n return n ? (d.q = n[0] * 3 - 3, i + n[0].length) : -1;\n}\n\nfunction parseMonthNumber(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.m = n[0] - 1, i + n[0].length) : -1;\n}\n\nfunction parseDayOfMonth(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.d = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseDayOfYear(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 3));\n return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseHour24(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.H = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseMinutes(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.M = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseSeconds(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 2));\n return n ? (d.S = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseMilliseconds(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 3));\n return n ? (d.L = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseMicroseconds(d, string, i) {\n var n = numberRe.exec(string.slice(i, i + 6));\n return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1;\n}\n\nfunction parseLiteralPercent(d, string, i) {\n var n = percentRe.exec(string.slice(i, i + 1));\n return n ? i + n[0].length : -1;\n}\n\nfunction parseUnixTimestamp(d, string, i) {\n var n = numberRe.exec(string.slice(i));\n return n ? (d.Q = +n[0], i + n[0].length) : -1;\n}\n\nfunction parseUnixTimestampSeconds(d, string, i) {\n var n = numberRe.exec(string.slice(i));\n return n ? (d.s = +n[0], i + n[0].length) : -1;\n}\n\nfunction formatDayOfMonth(d, p) {\n return pad(d.getDate(), p, 2);\n}\n\nfunction formatHour24(d, p) {\n return pad(d.getHours(), p, 2);\n}\n\nfunction formatHour12(d, p) {\n return pad(d.getHours() % 12 || 12, p, 2);\n}\n\nfunction formatDayOfYear(d, p) {\n return pad(1 + timeDay.count(timeYear(d), d), p, 3);\n}\n\nfunction formatMilliseconds(d, p) {\n return pad(d.getMilliseconds(), p, 3);\n}\n\nfunction formatMicroseconds(d, p) {\n return formatMilliseconds(d, p) + \"000\";\n}\n\nfunction formatMonthNumber(d, p) {\n return pad(d.getMonth() + 1, p, 2);\n}\n\nfunction formatMinutes(d, p) {\n return pad(d.getMinutes(), p, 2);\n}\n\nfunction formatSeconds(d, p) {\n return pad(d.getSeconds(), p, 2);\n}\n\nfunction formatWeekdayNumberMonday(d) {\n var day = d.getDay();\n return day === 0 ? 7 : day;\n}\n\nfunction formatWeekNumberSunday(d, p) {\n return pad(timeSunday.count(timeYear(d) - 1, d), p, 2);\n}\n\nfunction dISO(d) {\n var day = d.getDay();\n return (day >= 4 || day === 0) ? timeThursday(d) : timeThursday.ceil(d);\n}\n\nfunction formatWeekNumberISO(d, p) {\n d = dISO(d);\n return pad(timeThursday.count(timeYear(d), d) + (timeYear(d).getDay() === 4), p, 2);\n}\n\nfunction formatWeekdayNumberSunday(d) {\n return d.getDay();\n}\n\nfunction formatWeekNumberMonday(d, p) {\n return pad(timeMonday.count(timeYear(d) - 1, d), p, 2);\n}\n\nfunction formatYear(d, p) {\n return pad(d.getFullYear() % 100, p, 2);\n}\n\nfunction formatYearISO(d, p) {\n d = dISO(d);\n return pad(d.getFullYear() % 100, p, 2);\n}\n\nfunction formatFullYear(d, p) {\n return pad(d.getFullYear() % 10000, p, 4);\n}\n\nfunction formatFullYearISO(d, p) {\n var day = d.getDay();\n d = (day >= 4 || day === 0) ? timeThursday(d) : timeThursday.ceil(d);\n return pad(d.getFullYear() % 10000, p, 4);\n}\n\nfunction formatZone(d) {\n var z = d.getTimezoneOffset();\n return (z > 0 ? \"-\" : (z *= -1, \"+\"))\n + pad(z / 60 | 0, \"0\", 2)\n + pad(z % 60, \"0\", 2);\n}\n\nfunction formatUTCDayOfMonth(d, p) {\n return pad(d.getUTCDate(), p, 2);\n}\n\nfunction formatUTCHour24(d, p) {\n return pad(d.getUTCHours(), p, 2);\n}\n\nfunction formatUTCHour12(d, p) {\n return pad(d.getUTCHours() % 12 || 12, p, 2);\n}\n\nfunction formatUTCDayOfYear(d, p) {\n return pad(1 + utcDay.count(utcYear(d), d), p, 3);\n}\n\nfunction formatUTCMilliseconds(d, p) {\n return pad(d.getUTCMilliseconds(), p, 3);\n}\n\nfunction formatUTCMicroseconds(d, p) {\n return formatUTCMilliseconds(d, p) + \"000\";\n}\n\nfunction formatUTCMonthNumber(d, p) {\n return pad(d.getUTCMonth() + 1, p, 2);\n}\n\nfunction formatUTCMinutes(d, p) {\n return pad(d.getUTCMinutes(), p, 2);\n}\n\nfunction formatUTCSeconds(d, p) {\n return pad(d.getUTCSeconds(), p, 2);\n}\n\nfunction formatUTCWeekdayNumberMonday(d) {\n var dow = d.getUTCDay();\n return dow === 0 ? 7 : dow;\n}\n\nfunction formatUTCWeekNumberSunday(d, p) {\n return pad(utcSunday.count(utcYear(d) - 1, d), p, 2);\n}\n\nfunction UTCdISO(d) {\n var day = d.getUTCDay();\n return (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d);\n}\n\nfunction formatUTCWeekNumberISO(d, p) {\n d = UTCdISO(d);\n return pad(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2);\n}\n\nfunction formatUTCWeekdayNumberSunday(d) {\n return d.getUTCDay();\n}\n\nfunction formatUTCWeekNumberMonday(d, p) {\n return pad(utcMonday.count(utcYear(d) - 1, d), p, 2);\n}\n\nfunction formatUTCYear(d, p) {\n return pad(d.getUTCFullYear() % 100, p, 2);\n}\n\nfunction formatUTCYearISO(d, p) {\n d = UTCdISO(d);\n return pad(d.getUTCFullYear() % 100, p, 2);\n}\n\nfunction formatUTCFullYear(d, p) {\n return pad(d.getUTCFullYear() % 10000, p, 4);\n}\n\nfunction formatUTCFullYearISO(d, p) {\n var day = d.getUTCDay();\n d = (day >= 4 || day === 0) ? utcThursday(d) : utcThursday.ceil(d);\n return pad(d.getUTCFullYear() % 10000, p, 4);\n}\n\nfunction formatUTCZone() {\n return \"+0000\";\n}\n\nfunction formatLiteralPercent() {\n return \"%\";\n}\n\nfunction formatUnixTimestamp(d) {\n return +d;\n}\n\nfunction formatUnixTimestampSeconds(d) {\n return Math.floor(+d / 1000);\n}\n","import formatLocale from \"./locale.js\";\n\nvar locale;\nexport var timeFormat;\nexport var timeParse;\nexport var utcFormat;\nexport var utcParse;\n\ndefaultLocale({\n dateTime: \"%x, %X\",\n date: \"%-m/%-d/%Y\",\n time: \"%-I:%M:%S %p\",\n periods: [\"AM\", \"PM\"],\n days: [\"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\"],\n shortDays: [\"Sun\", \"Mon\", \"Tue\", \"Wed\", \"Thu\", \"Fri\", \"Sat\"],\n months: [\"January\", \"February\", \"March\", \"April\", \"May\", \"June\", \"July\", \"August\", \"September\", \"October\", \"November\", \"December\"],\n shortMonths: [\"Jan\", \"Feb\", \"Mar\", \"Apr\", \"May\", \"Jun\", \"Jul\", \"Aug\", \"Sep\", \"Oct\", \"Nov\", \"Dec\"]\n});\n\nexport default function defaultLocale(definition) {\n locale = formatLocale(definition);\n timeFormat = locale.format;\n timeParse = locale.parse;\n utcFormat = locale.utcFormat;\n utcParse = locale.utcParse;\n return locale;\n}\n","import {utcFormat} from \"./defaultLocale.js\";\n\nexport var isoSpecifier = \"%Y-%m-%dT%H:%M:%S.%LZ\";\n\nfunction formatIsoNative(date) {\n return date.toISOString();\n}\n\nvar formatIso = Date.prototype.toISOString\n ? formatIsoNative\n : utcFormat(isoSpecifier);\n\nexport default formatIso;\n","import {isoSpecifier} from \"./isoFormat.js\";\nimport {utcParse} from \"./defaultLocale.js\";\n\nfunction parseIsoNative(string) {\n var date = new Date(string);\n return isNaN(date) ? null : date;\n}\n\nvar parseIso = +new Date(\"2000-01-01T00:00:00.000Z\")\n ? parseIsoNative\n : utcParse(isoSpecifier);\n\nexport default parseIso;\n","import {bisector, tickStep} from \"d3-array\";\nimport {timeYear, timeMonth, timeWeek, timeDay, timeHour, timeMinute, timeSecond, timeMillisecond} from \"d3-time\";\nimport {timeFormat} from \"d3-time-format\";\nimport {map} from \"./array\";\nimport continuous, {copy, identity} from \"./continuous\";\nimport {initRange} from \"./init\";\nimport nice from \"./nice\";\n\nvar durationSecond = 1000,\n durationMinute = durationSecond * 60,\n durationHour = durationMinute * 60,\n durationDay = durationHour * 24,\n durationWeek = durationDay * 7,\n durationMonth = durationDay * 30,\n durationYear = durationDay * 365;\n\nfunction date(t) {\n return new Date(t);\n}\n\nfunction number(t) {\n return t instanceof Date ? +t : +new Date(+t);\n}\n\nexport function calendar(year, month, week, day, hour, minute, second, millisecond, format) {\n var scale = continuous(identity, identity),\n invert = scale.invert,\n domain = scale.domain;\n\n var formatMillisecond = format(\".%L\"),\n formatSecond = format(\":%S\"),\n formatMinute = format(\"%I:%M\"),\n formatHour = format(\"%I %p\"),\n formatDay = format(\"%a %d\"),\n formatWeek = format(\"%b %d\"),\n formatMonth = format(\"%B\"),\n formatYear = format(\"%Y\");\n\n var tickIntervals = [\n [second, 1, durationSecond],\n [second, 5, 5 * durationSecond],\n [second, 15, 15 * durationSecond],\n [second, 30, 30 * durationSecond],\n [minute, 1, durationMinute],\n [minute, 5, 5 * durationMinute],\n [minute, 15, 15 * durationMinute],\n [minute, 30, 30 * durationMinute],\n [ hour, 1, durationHour ],\n [ hour, 3, 3 * durationHour ],\n [ hour, 6, 6 * durationHour ],\n [ hour, 12, 12 * durationHour ],\n [ day, 1, durationDay ],\n [ day, 2, 2 * durationDay ],\n [ week, 1, durationWeek ],\n [ month, 1, durationMonth ],\n [ month, 3, 3 * durationMonth ],\n [ year, 1, durationYear ]\n ];\n\n function tickFormat(date) {\n return (second(date) < date ? formatMillisecond\n : minute(date) < date ? formatSecond\n : hour(date) < date ? formatMinute\n : day(date) < date ? formatHour\n : month(date) < date ? (week(date) < date ? formatDay : formatWeek)\n : year(date) < date ? formatMonth\n : formatYear)(date);\n }\n\n function tickInterval(interval, start, stop, step) {\n if (interval == null) interval = 10;\n\n // If a desired tick count is specified, pick a reasonable tick interval\n // based on the extent of the domain and a rough estimate of tick size.\n // Otherwise, assume interval is already a time interval and use it.\n if (typeof interval === \"number\") {\n var target = Math.abs(stop - start) / interval,\n i = bisector(function(i) { return i[2]; }).right(tickIntervals, target);\n if (i === tickIntervals.length) {\n step = tickStep(start / durationYear, stop / durationYear, interval);\n interval = year;\n } else if (i) {\n i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i];\n step = i[1];\n interval = i[0];\n } else {\n step = Math.max(tickStep(start, stop, interval), 1);\n interval = millisecond;\n }\n }\n\n return step == null ? interval : interval.every(step);\n }\n\n scale.invert = function(y) {\n return new Date(invert(y));\n };\n\n scale.domain = function(_) {\n return arguments.length ? domain(map.call(_, number)) : domain().map(date);\n };\n\n scale.ticks = function(interval, step) {\n var d = domain(),\n t0 = d[0],\n t1 = d[d.length - 1],\n r = t1 < t0,\n t;\n if (r) t = t0, t0 = t1, t1 = t;\n t = tickInterval(interval, t0, t1, step);\n t = t ? t.range(t0, t1 + 1) : []; // inclusive stop\n return r ? t.reverse() : t;\n };\n\n scale.tickFormat = function(count, specifier) {\n return specifier == null ? tickFormat : format(specifier);\n };\n\n scale.nice = function(interval, step) {\n var d = domain();\n return (interval = tickInterval(interval, d[0], d[d.length - 1], step))\n ? domain(nice(d, interval))\n : scale;\n };\n\n scale.copy = function() {\n return copy(scale, calendar(year, month, week, day, hour, minute, second, millisecond, format));\n };\n\n return scale;\n}\n\nexport default function() {\n return initRange.apply(calendar(timeYear, timeMonth, timeWeek, timeDay, timeHour, timeMinute, timeSecond, timeMillisecond, timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]), arguments);\n}\n","import {identity} from \"./continuous\";\nimport {initInterpolator} from \"./init\";\nimport {linearish} from \"./linear\";\nimport {loggish} from \"./log\";\nimport {symlogish} from \"./symlog\";\nimport {powish} from \"./pow\";\n\nfunction transformer() {\n var x0 = 0,\n x1 = 1,\n t0,\n t1,\n k10,\n transform,\n interpolator = identity,\n clamp = false,\n unknown;\n\n function scale(x) {\n return isNaN(x = +x) ? unknown : interpolator(k10 === 0 ? 0.5 : (x = (transform(x) - t0) * k10, clamp ? Math.max(0, Math.min(1, x)) : x));\n }\n\n scale.domain = function(_) {\n return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), k10 = t0 === t1 ? 0 : 1 / (t1 - t0), scale) : [x0, x1];\n };\n\n scale.clamp = function(_) {\n return arguments.length ? (clamp = !!_, scale) : clamp;\n };\n\n scale.interpolator = function(_) {\n return arguments.length ? (interpolator = _, scale) : interpolator;\n };\n\n scale.unknown = function(_) {\n return arguments.length ? (unknown = _, scale) : unknown;\n };\n\n return function(t) {\n transform = t, t0 = t(x0), t1 = t(x1), k10 = t0 === t1 ? 0 : 1 / (t1 - t0);\n return scale;\n };\n}\n\nexport function copy(source, target) {\n return target\n .domain(source.domain())\n .interpolator(source.interpolator())\n .clamp(source.clamp())\n .unknown(source.unknown());\n}\n\nexport default function sequential() {\n var scale = linearish(transformer()(identity));\n\n scale.copy = function() {\n return copy(scale, sequential());\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n\nexport function sequentialLog() {\n var scale = loggish(transformer()).domain([1, 10]);\n\n scale.copy = function() {\n return copy(scale, sequentialLog()).base(scale.base());\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n\nexport function sequentialSymlog() {\n var scale = symlogish(transformer());\n\n scale.copy = function() {\n return copy(scale, sequentialSymlog()).constant(scale.constant());\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n\nexport function sequentialPow() {\n var scale = powish(transformer());\n\n scale.copy = function() {\n return copy(scale, sequentialPow()).exponent(scale.exponent());\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n\nexport function sequentialSqrt() {\n return sequentialPow.apply(null, arguments).exponent(0.5);\n}\n","import {identity} from \"./continuous\";\nimport {initInterpolator} from \"./init\";\nimport {linearish} from \"./linear\";\nimport {loggish} from \"./log\";\nimport {copy} from \"./sequential\";\nimport {symlogish} from \"./symlog\";\nimport {powish} from \"./pow\";\n\nfunction transformer() {\n var x0 = 0,\n x1 = 0.5,\n x2 = 1,\n t0,\n t1,\n t2,\n k10,\n k21,\n interpolator = identity,\n transform,\n clamp = false,\n unknown;\n\n function scale(x) {\n return isNaN(x = +x) ? unknown : (x = 0.5 + ((x = +transform(x)) - t1) * (x < t1 ? k10 : k21), interpolator(clamp ? Math.max(0, Math.min(1, x)) : x));\n }\n\n scale.domain = function(_) {\n return arguments.length ? (t0 = transform(x0 = +_[0]), t1 = transform(x1 = +_[1]), t2 = transform(x2 = +_[2]), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1), scale) : [x0, x1, x2];\n };\n\n scale.clamp = function(_) {\n return arguments.length ? (clamp = !!_, scale) : clamp;\n };\n\n scale.interpolator = function(_) {\n return arguments.length ? (interpolator = _, scale) : interpolator;\n };\n\n scale.unknown = function(_) {\n return arguments.length ? (unknown = _, scale) : unknown;\n };\n\n return function(t) {\n transform = t, t0 = t(x0), t1 = t(x1), t2 = t(x2), k10 = t0 === t1 ? 0 : 0.5 / (t1 - t0), k21 = t1 === t2 ? 0 : 0.5 / (t2 - t1);\n return scale;\n };\n}\n\nexport default function diverging() {\n var scale = linearish(transformer()(identity));\n\n scale.copy = function() {\n return copy(scale, diverging());\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n\nexport function divergingLog() {\n var scale = loggish(transformer()).domain([0.1, 1, 10]);\n\n scale.copy = function() {\n return copy(scale, divergingLog()).base(scale.base());\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n\nexport function divergingSymlog() {\n var scale = symlogish(transformer());\n\n scale.copy = function() {\n return copy(scale, divergingSymlog()).constant(scale.constant());\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n\nexport function divergingPow() {\n var scale = powish(transformer());\n\n scale.copy = function() {\n return copy(scale, divergingPow()).exponent(scale.exponent());\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n\nexport function divergingSqrt() {\n return divergingPow.apply(null, arguments).exponent(0.5);\n}\n","export default function(specifier) {\n var n = specifier.length / 6 | 0, colors = new Array(n), i = 0;\n while (i < n) colors[i] = \"#\" + specifier.slice(i * 6, ++i * 6);\n return colors;\n}\n","import colors from \"../colors.js\";\n\nexport default colors(\"1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f\");\n","import colors from \"../colors.js\";\n\nexport default colors(\"4e79a7f28e2ce1575976b7b259a14fedc949af7aa1ff9da79c755fbab0ab\");\n","import {interpolateRgbBasis} from \"d3-interpolate\";\n\nexport default function(scheme) {\n return interpolateRgbBasis(scheme[scheme.length - 1]);\n}\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"d8b365f5f5f55ab4ac\",\n \"a6611adfc27d80cdc1018571\",\n \"a6611adfc27df5f5f580cdc1018571\",\n \"8c510ad8b365f6e8c3c7eae55ab4ac01665e\",\n \"8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e\",\n \"8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e\",\n \"8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e\",\n \"5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30\",\n \"5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"af8dc3f7f7f77fbf7b\",\n \"7b3294c2a5cfa6dba0008837\",\n \"7b3294c2a5cff7f7f7a6dba0008837\",\n \"762a83af8dc3e7d4e8d9f0d37fbf7b1b7837\",\n \"762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837\",\n \"762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837\",\n \"762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837\",\n \"40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b\",\n \"40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"e9a3c9f7f7f7a1d76a\",\n \"d01c8bf1b6dab8e1864dac26\",\n \"d01c8bf1b6daf7f7f7b8e1864dac26\",\n \"c51b7de9a3c9fde0efe6f5d0a1d76a4d9221\",\n \"c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221\",\n \"c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221\",\n \"c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221\",\n \"8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419\",\n \"8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"998ec3f7f7f7f1a340\",\n \"5e3c99b2abd2fdb863e66101\",\n \"5e3c99b2abd2f7f7f7fdb863e66101\",\n \"542788998ec3d8daebfee0b6f1a340b35806\",\n \"542788998ec3d8daebf7f7f7fee0b6f1a340b35806\",\n \"5427888073acb2abd2d8daebfee0b6fdb863e08214b35806\",\n \"5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806\",\n \"2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08\",\n \"2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"ef8a62f7f7f767a9cf\",\n \"ca0020f4a58292c5de0571b0\",\n \"ca0020f4a582f7f7f792c5de0571b0\",\n \"b2182bef8a62fddbc7d1e5f067a9cf2166ac\",\n \"b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac\",\n \"b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac\",\n \"b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac\",\n \"67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061\",\n \"67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"ef8a62ffffff999999\",\n \"ca0020f4a582bababa404040\",\n \"ca0020f4a582ffffffbababa404040\",\n \"b2182bef8a62fddbc7e0e0e09999994d4d4d\",\n \"b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d\",\n \"b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d\",\n \"b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d\",\n \"67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a\",\n \"67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"fc8d59ffffbf91bfdb\",\n \"d7191cfdae61abd9e92c7bb6\",\n \"d7191cfdae61ffffbfabd9e92c7bb6\",\n \"d73027fc8d59fee090e0f3f891bfdb4575b4\",\n \"d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4\",\n \"d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4\",\n \"d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4\",\n \"a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695\",\n \"a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"fc8d59ffffbf91cf60\",\n \"d7191cfdae61a6d96a1a9641\",\n \"d7191cfdae61ffffbfa6d96a1a9641\",\n \"d73027fc8d59fee08bd9ef8b91cf601a9850\",\n \"d73027fc8d59fee08bffffbfd9ef8b91cf601a9850\",\n \"d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850\",\n \"d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850\",\n \"a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837\",\n \"a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"fc8d59ffffbf99d594\",\n \"d7191cfdae61abdda42b83ba\",\n \"d7191cfdae61ffffbfabdda42b83ba\",\n \"d53e4ffc8d59fee08be6f59899d5943288bd\",\n \"d53e4ffc8d59fee08bffffbfe6f59899d5943288bd\",\n \"d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd\",\n \"d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd\",\n \"9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2\",\n \"9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"e5f5f999d8c92ca25f\",\n \"edf8fbb2e2e266c2a4238b45\",\n \"edf8fbb2e2e266c2a42ca25f006d2c\",\n \"edf8fbccece699d8c966c2a42ca25f006d2c\",\n \"edf8fbccece699d8c966c2a441ae76238b45005824\",\n \"f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824\",\n \"f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"e0ecf49ebcda8856a7\",\n \"edf8fbb3cde38c96c688419d\",\n \"edf8fbb3cde38c96c68856a7810f7c\",\n \"edf8fbbfd3e69ebcda8c96c68856a7810f7c\",\n \"edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b\",\n \"f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b\",\n \"f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"e0f3dba8ddb543a2ca\",\n \"f0f9e8bae4bc7bccc42b8cbe\",\n \"f0f9e8bae4bc7bccc443a2ca0868ac\",\n \"f0f9e8ccebc5a8ddb57bccc443a2ca0868ac\",\n \"f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e\",\n \"f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e\",\n \"f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"fee8c8fdbb84e34a33\",\n \"fef0d9fdcc8afc8d59d7301f\",\n \"fef0d9fdcc8afc8d59e34a33b30000\",\n \"fef0d9fdd49efdbb84fc8d59e34a33b30000\",\n \"fef0d9fdd49efdbb84fc8d59ef6548d7301f990000\",\n \"fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000\",\n \"fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"ece2f0a6bddb1c9099\",\n \"f6eff7bdc9e167a9cf02818a\",\n \"f6eff7bdc9e167a9cf1c9099016c59\",\n \"f6eff7d0d1e6a6bddb67a9cf1c9099016c59\",\n \"f6eff7d0d1e6a6bddb67a9cf3690c002818a016450\",\n \"fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450\",\n \"fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"ece7f2a6bddb2b8cbe\",\n \"f1eef6bdc9e174a9cf0570b0\",\n \"f1eef6bdc9e174a9cf2b8cbe045a8d\",\n \"f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d\",\n \"f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b\",\n \"fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b\",\n \"fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"e7e1efc994c7dd1c77\",\n \"f1eef6d7b5d8df65b0ce1256\",\n \"f1eef6d7b5d8df65b0dd1c77980043\",\n \"f1eef6d4b9dac994c7df65b0dd1c77980043\",\n \"f1eef6d4b9dac994c7df65b0e7298ace125691003f\",\n \"f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f\",\n \"f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"fde0ddfa9fb5c51b8a\",\n \"feebe2fbb4b9f768a1ae017e\",\n \"feebe2fbb4b9f768a1c51b8a7a0177\",\n \"feebe2fcc5c0fa9fb5f768a1c51b8a7a0177\",\n \"feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177\",\n \"fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177\",\n \"fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"edf8b17fcdbb2c7fb8\",\n \"ffffcca1dab441b6c4225ea8\",\n \"ffffcca1dab441b6c42c7fb8253494\",\n \"ffffccc7e9b47fcdbb41b6c42c7fb8253494\",\n \"ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84\",\n \"ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84\",\n \"ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"f7fcb9addd8e31a354\",\n \"ffffccc2e69978c679238443\",\n \"ffffccc2e69978c67931a354006837\",\n \"ffffccd9f0a3addd8e78c67931a354006837\",\n \"ffffccd9f0a3addd8e78c67941ab5d238443005a32\",\n \"ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32\",\n \"ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"fff7bcfec44fd95f0e\",\n \"ffffd4fed98efe9929cc4c02\",\n \"ffffd4fed98efe9929d95f0e993404\",\n \"ffffd4fee391fec44ffe9929d95f0e993404\",\n \"ffffd4fee391fec44ffe9929ec7014cc4c028c2d04\",\n \"ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04\",\n \"ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"ffeda0feb24cf03b20\",\n \"ffffb2fecc5cfd8d3ce31a1c\",\n \"ffffb2fecc5cfd8d3cf03b20bd0026\",\n \"ffffb2fed976feb24cfd8d3cf03b20bd0026\",\n \"ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026\",\n \"ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026\",\n \"ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"deebf79ecae13182bd\",\n \"eff3ffbdd7e76baed62171b5\",\n \"eff3ffbdd7e76baed63182bd08519c\",\n \"eff3ffc6dbef9ecae16baed63182bd08519c\",\n \"eff3ffc6dbef9ecae16baed64292c62171b5084594\",\n \"f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594\",\n \"f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"e5f5e0a1d99b31a354\",\n \"edf8e9bae4b374c476238b45\",\n \"edf8e9bae4b374c47631a354006d2c\",\n \"edf8e9c7e9c0a1d99b74c47631a354006d2c\",\n \"edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32\",\n \"f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32\",\n \"f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"f0f0f0bdbdbd636363\",\n \"f7f7f7cccccc969696525252\",\n \"f7f7f7cccccc969696636363252525\",\n \"f7f7f7d9d9d9bdbdbd969696636363252525\",\n \"f7f7f7d9d9d9bdbdbd969696737373525252252525\",\n \"fffffff0f0f0d9d9d9bdbdbd969696737373525252252525\",\n \"fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"efedf5bcbddc756bb1\",\n \"f2f0f7cbc9e29e9ac86a51a3\",\n \"f2f0f7cbc9e29e9ac8756bb154278f\",\n \"f2f0f7dadaebbcbddc9e9ac8756bb154278f\",\n \"f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486\",\n \"fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486\",\n \"fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"fee0d2fc9272de2d26\",\n \"fee5d9fcae91fb6a4acb181d\",\n \"fee5d9fcae91fb6a4ade2d26a50f15\",\n \"fee5d9fcbba1fc9272fb6a4ade2d26a50f15\",\n \"fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d\",\n \"fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d\",\n \"fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d\"\n).map(colors);\n\nexport default ramp(scheme);\n","import colors from \"../colors.js\";\nimport ramp from \"../ramp.js\";\n\nexport var scheme = new Array(3).concat(\n \"fee6cefdae6be6550d\",\n \"feeddefdbe85fd8d3cd94701\",\n \"feeddefdbe85fd8d3ce6550da63603\",\n \"feeddefdd0a2fdae6bfd8d3ce6550da63603\",\n \"feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04\",\n \"fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04\",\n \"fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704\"\n).map(colors);\n\nexport default ramp(scheme);\n","import {cubehelix} from \"d3-color\";\nimport {interpolateCubehelixLong} from \"d3-interpolate\";\n\nexport default interpolateCubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0));\n","import {cubehelix} from \"d3-color\";\nimport {interpolateCubehelixLong} from \"d3-interpolate\";\n\nexport var warm = interpolateCubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8));\n\nexport var cool = interpolateCubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8));\n\nvar c = cubehelix();\n\nexport default function(t) {\n if (t < 0 || t > 1) t -= Math.floor(t);\n var ts = Math.abs(t - 0.5);\n c.h = 360 * t - 100;\n c.s = 1.5 - 1.5 * ts;\n c.l = 0.8 - 0.9 * ts;\n return c + \"\";\n}\n","import {rgb} from \"d3-color\";\n\nvar c = rgb(),\n pi_1_3 = Math.PI / 3,\n pi_2_3 = Math.PI * 2 / 3;\n\nexport default function(t) {\n var x;\n t = (0.5 - t) * Math.PI;\n c.r = 255 * (x = Math.sin(t)) * x;\n c.g = 255 * (x = Math.sin(t + pi_1_3)) * x;\n c.b = 255 * (x = Math.sin(t + pi_2_3)) * x;\n return c + \"\";\n}\n","import colors from \"../colors.js\";\n\nfunction ramp(range) {\n var n = range.length;\n return function(t) {\n return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))];\n };\n}\n\nexport default ramp(colors(\"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\"));\n\nexport var magma = ramp(colors(\"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\"));\n\nexport var inferno = ramp(colors(\"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\"));\n\nexport var plasma = ramp(colors(\"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\"));\n","export default function(x) {\n return function constant() {\n return x;\n };\n}\n","export var abs = Math.abs;\nexport var atan2 = Math.atan2;\nexport var cos = Math.cos;\nexport var max = Math.max;\nexport var min = Math.min;\nexport var sin = Math.sin;\nexport var sqrt = Math.sqrt;\n\nexport var epsilon = 1e-12;\nexport var pi = Math.PI;\nexport var halfPi = pi / 2;\nexport var tau = 2 * pi;\n\nexport function acos(x) {\n return x > 1 ? 0 : x < -1 ? pi : Math.acos(x);\n}\n\nexport function asin(x) {\n return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x);\n}\n","import {path} from \"d3-path\";\nimport constant from \"./constant.js\";\nimport {abs, acos, asin, atan2, cos, epsilon, halfPi, max, min, pi, sin, sqrt, tau} from \"./math.js\";\n\nfunction arcInnerRadius(d) {\n return d.innerRadius;\n}\n\nfunction arcOuterRadius(d) {\n return d.outerRadius;\n}\n\nfunction arcStartAngle(d) {\n return d.startAngle;\n}\n\nfunction arcEndAngle(d) {\n return d.endAngle;\n}\n\nfunction arcPadAngle(d) {\n return d && d.padAngle; // Note: optional!\n}\n\nfunction intersect(x0, y0, x1, y1, x2, y2, x3, y3) {\n var x10 = x1 - x0, y10 = y1 - y0,\n x32 = x3 - x2, y32 = y3 - y2,\n t = y32 * x10 - x32 * y10;\n if (t * t < epsilon) return;\n t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t;\n return [x0 + t * x10, y0 + t * y10];\n}\n\n// Compute perpendicular offset line of length rc.\n// http://mathworld.wolfram.com/Circle-LineIntersection.html\nfunction cornerTangents(x0, y0, x1, y1, r1, rc, cw) {\n var x01 = x0 - x1,\n y01 = y0 - y1,\n lo = (cw ? rc : -rc) / sqrt(x01 * x01 + y01 * y01),\n ox = lo * y01,\n oy = -lo * x01,\n x11 = x0 + ox,\n y11 = y0 + oy,\n x10 = x1 + ox,\n y10 = y1 + oy,\n x00 = (x11 + x10) / 2,\n y00 = (y11 + y10) / 2,\n dx = x10 - x11,\n dy = y10 - y11,\n d2 = dx * dx + dy * dy,\n r = r1 - rc,\n D = x11 * y10 - x10 * y11,\n d = (dy < 0 ? -1 : 1) * sqrt(max(0, r * r * d2 - D * D)),\n cx0 = (D * dy - dx * d) / d2,\n cy0 = (-D * dx - dy * d) / d2,\n cx1 = (D * dy + dx * d) / d2,\n cy1 = (-D * dx + dy * d) / d2,\n dx0 = cx0 - x00,\n dy0 = cy0 - y00,\n dx1 = cx1 - x00,\n dy1 = cy1 - y00;\n\n // Pick the closer of the two intersection points.\n // TODO Is there a faster way to determine which intersection to use?\n if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;\n\n return {\n cx: cx0,\n cy: cy0,\n x01: -ox,\n y01: -oy,\n x11: cx0 * (r1 / r - 1),\n y11: cy0 * (r1 / r - 1)\n };\n}\n\nexport default function() {\n var innerRadius = arcInnerRadius,\n outerRadius = arcOuterRadius,\n cornerRadius = constant(0),\n padRadius = null,\n startAngle = arcStartAngle,\n endAngle = arcEndAngle,\n padAngle = arcPadAngle,\n context = null;\n\n function arc() {\n var buffer,\n r,\n r0 = +innerRadius.apply(this, arguments),\n r1 = +outerRadius.apply(this, arguments),\n a0 = startAngle.apply(this, arguments) - halfPi,\n a1 = endAngle.apply(this, arguments) - halfPi,\n da = abs(a1 - a0),\n cw = a1 > a0;\n\n if (!context) context = buffer = path();\n\n // Ensure that the outer radius is always larger than the inner radius.\n if (r1 < r0) r = r1, r1 = r0, r0 = r;\n\n // Is it a point?\n if (!(r1 > epsilon)) context.moveTo(0, 0);\n\n // Or is it a circle or annulus?\n else if (da > tau - epsilon) {\n context.moveTo(r1 * cos(a0), r1 * sin(a0));\n context.arc(0, 0, r1, a0, a1, !cw);\n if (r0 > epsilon) {\n context.moveTo(r0 * cos(a1), r0 * sin(a1));\n context.arc(0, 0, r0, a1, a0, cw);\n }\n }\n\n // Or is it a circular or annular sector?\n else {\n var a01 = a0,\n a11 = a1,\n a00 = a0,\n a10 = a1,\n da0 = da,\n da1 = da,\n ap = padAngle.apply(this, arguments) / 2,\n rp = (ap > epsilon) && (padRadius ? +padRadius.apply(this, arguments) : sqrt(r0 * r0 + r1 * r1)),\n rc = min(abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)),\n rc0 = rc,\n rc1 = rc,\n t0,\n t1;\n\n // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0.\n if (rp > epsilon) {\n var p0 = asin(rp / r0 * sin(ap)),\n p1 = asin(rp / r1 * sin(ap));\n if ((da0 -= p0 * 2) > epsilon) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0;\n else da0 = 0, a00 = a10 = (a0 + a1) / 2;\n if ((da1 -= p1 * 2) > epsilon) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1;\n else da1 = 0, a01 = a11 = (a0 + a1) / 2;\n }\n\n var x01 = r1 * cos(a01),\n y01 = r1 * sin(a01),\n x10 = r0 * cos(a10),\n y10 = r0 * sin(a10);\n\n // Apply rounded corners?\n if (rc > epsilon) {\n var x11 = r1 * cos(a11),\n y11 = r1 * sin(a11),\n x00 = r0 * cos(a00),\n y00 = r0 * sin(a00),\n oc;\n\n // Restrict the corner radius according to the sector angle.\n if (da < pi && (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10))) {\n var ax = x01 - oc[0],\n ay = y01 - oc[1],\n bx = x11 - oc[0],\n by = y11 - oc[1],\n kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt(ax * ax + ay * ay) * sqrt(bx * bx + by * by))) / 2),\n lc = sqrt(oc[0] * oc[0] + oc[1] * oc[1]);\n rc0 = min(rc, (r0 - lc) / (kc - 1));\n rc1 = min(rc, (r1 - lc) / (kc + 1));\n }\n }\n\n // Is the sector collapsed to a line?\n if (!(da1 > epsilon)) context.moveTo(x01, y01);\n\n // Does the sector’s outer ring have rounded corners?\n else if (rc1 > epsilon) {\n t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw);\n t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw);\n\n context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01);\n\n // Have the corners merged?\n if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw);\n\n // Otherwise, draw the two corners and the ring.\n else {\n context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw);\n context.arc(0, 0, r1, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw);\n context.arc(t1.cx, t1.cy, rc1, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw);\n }\n }\n\n // Or is the outer ring just a circular arc?\n else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw);\n\n // Is there no inner ring, and it’s a circular sector?\n // Or perhaps it’s an annular sector collapsed due to padding?\n if (!(r0 > epsilon) || !(da0 > epsilon)) context.lineTo(x10, y10);\n\n // Does the sector’s inner ring (or point) have rounded corners?\n else if (rc0 > epsilon) {\n t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw);\n t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw);\n\n context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01);\n\n // Have the corners merged?\n if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw);\n\n // Otherwise, draw the two corners and the ring.\n else {\n context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw);\n context.arc(0, 0, r0, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw);\n context.arc(t1.cx, t1.cy, rc0, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw);\n }\n }\n\n // Or is the inner ring just a circular arc?\n else context.arc(0, 0, r0, a10, a00, cw);\n }\n\n context.closePath();\n\n if (buffer) return context = null, buffer + \"\" || null;\n }\n\n arc.centroid = function() {\n var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2,\n a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi / 2;\n return [cos(a) * r, sin(a) * r];\n };\n\n arc.innerRadius = function(_) {\n return arguments.length ? (innerRadius = typeof _ === \"function\" ? _ : constant(+_), arc) : innerRadius;\n };\n\n arc.outerRadius = function(_) {\n return arguments.length ? (outerRadius = typeof _ === \"function\" ? _ : constant(+_), arc) : outerRadius;\n };\n\n arc.cornerRadius = function(_) {\n return arguments.length ? (cornerRadius = typeof _ === \"function\" ? _ : constant(+_), arc) : cornerRadius;\n };\n\n arc.padRadius = function(_) {\n return arguments.length ? (padRadius = _ == null ? null : typeof _ === \"function\" ? _ : constant(+_), arc) : padRadius;\n };\n\n arc.startAngle = function(_) {\n return arguments.length ? (startAngle = typeof _ === \"function\" ? _ : constant(+_), arc) : startAngle;\n };\n\n arc.endAngle = function(_) {\n return arguments.length ? (endAngle = typeof _ === \"function\" ? _ : constant(+_), arc) : endAngle;\n };\n\n arc.padAngle = function(_) {\n return arguments.length ? (padAngle = typeof _ === \"function\" ? _ : constant(+_), arc) : padAngle;\n };\n\n arc.context = function(_) {\n return arguments.length ? ((context = _ == null ? null : _), arc) : context;\n };\n\n return arc;\n}\n","function Linear(context) {\n this._context = context;\n}\n\nLinear.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._point = 0;\n },\n lineEnd: function() {\n if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();\n this._line = 1 - this._line;\n },\n point: function(x, y) {\n x = +x, y = +y;\n switch (this._point) {\n case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;\n case 1: this._point = 2; // proceed\n default: this._context.lineTo(x, y); break;\n }\n }\n};\n\nexport default function(context) {\n return new Linear(context);\n}\n","export function x(p) {\n return p[0];\n}\n\nexport function y(p) {\n return p[1];\n}\n","import {path} from \"d3-path\";\nimport constant from \"./constant.js\";\nimport curveLinear from \"./curve/linear.js\";\nimport {x as pointX, y as pointY} from \"./point.js\";\n\nexport default function() {\n var x = pointX,\n y = pointY,\n defined = constant(true),\n context = null,\n curve = curveLinear,\n output = null;\n\n function line(data) {\n var i,\n n = data.length,\n d,\n defined0 = false,\n buffer;\n\n if (context == null) output = curve(buffer = path());\n\n for (i = 0; i <= n; ++i) {\n if (!(i < n && defined(d = data[i], i, data)) === defined0) {\n if (defined0 = !defined0) output.lineStart();\n else output.lineEnd();\n }\n if (defined0) output.point(+x(d, i, data), +y(d, i, data));\n }\n\n if (buffer) return output = null, buffer + \"\" || null;\n }\n\n line.x = function(_) {\n return arguments.length ? (x = typeof _ === \"function\" ? _ : constant(+_), line) : x;\n };\n\n line.y = function(_) {\n return arguments.length ? (y = typeof _ === \"function\" ? _ : constant(+_), line) : y;\n };\n\n line.defined = function(_) {\n return arguments.length ? (defined = typeof _ === \"function\" ? _ : constant(!!_), line) : defined;\n };\n\n line.curve = function(_) {\n return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve;\n };\n\n line.context = function(_) {\n return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context;\n };\n\n return line;\n}\n","import {path} from \"d3-path\";\nimport constant from \"./constant.js\";\nimport curveLinear from \"./curve/linear.js\";\nimport line from \"./line.js\";\nimport {x as pointX, y as pointY} from \"./point.js\";\n\nexport default function() {\n var x0 = pointX,\n x1 = null,\n y0 = constant(0),\n y1 = pointY,\n defined = constant(true),\n context = null,\n curve = curveLinear,\n output = null;\n\n function area(data) {\n var i,\n j,\n k,\n n = data.length,\n d,\n defined0 = false,\n buffer,\n x0z = new Array(n),\n y0z = new Array(n);\n\n if (context == null) output = curve(buffer = path());\n\n for (i = 0; i <= n; ++i) {\n if (!(i < n && defined(d = data[i], i, data)) === defined0) {\n if (defined0 = !defined0) {\n j = i;\n output.areaStart();\n output.lineStart();\n } else {\n output.lineEnd();\n output.lineStart();\n for (k = i - 1; k >= j; --k) {\n output.point(x0z[k], y0z[k]);\n }\n output.lineEnd();\n output.areaEnd();\n }\n }\n if (defined0) {\n x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data);\n output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]);\n }\n }\n\n if (buffer) return output = null, buffer + \"\" || null;\n }\n\n function arealine() {\n return line().defined(defined).curve(curve).context(context);\n }\n\n area.x = function(_) {\n return arguments.length ? (x0 = typeof _ === \"function\" ? _ : constant(+_), x1 = null, area) : x0;\n };\n\n area.x0 = function(_) {\n return arguments.length ? (x0 = typeof _ === \"function\" ? _ : constant(+_), area) : x0;\n };\n\n area.x1 = function(_) {\n return arguments.length ? (x1 = _ == null ? null : typeof _ === \"function\" ? _ : constant(+_), area) : x1;\n };\n\n area.y = function(_) {\n return arguments.length ? (y0 = typeof _ === \"function\" ? _ : constant(+_), y1 = null, area) : y0;\n };\n\n area.y0 = function(_) {\n return arguments.length ? (y0 = typeof _ === \"function\" ? _ : constant(+_), area) : y0;\n };\n\n area.y1 = function(_) {\n return arguments.length ? (y1 = _ == null ? null : typeof _ === \"function\" ? _ : constant(+_), area) : y1;\n };\n\n area.lineX0 =\n area.lineY0 = function() {\n return arealine().x(x0).y(y0);\n };\n\n area.lineY1 = function() {\n return arealine().x(x0).y(y1);\n };\n\n area.lineX1 = function() {\n return arealine().x(x1).y(y0);\n };\n\n area.defined = function(_) {\n return arguments.length ? (defined = typeof _ === \"function\" ? _ : constant(!!_), area) : defined;\n };\n\n area.curve = function(_) {\n return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve;\n };\n\n area.context = function(_) {\n return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context;\n };\n\n return area;\n}\n","export default function(a, b) {\n return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;\n}\n","export default function(d) {\n return d;\n}\n","import curveLinear from \"./linear.js\";\n\nexport var curveRadialLinear = curveRadial(curveLinear);\n\nfunction Radial(curve) {\n this._curve = curve;\n}\n\nRadial.prototype = {\n areaStart: function() {\n this._curve.areaStart();\n },\n areaEnd: function() {\n this._curve.areaEnd();\n },\n lineStart: function() {\n this._curve.lineStart();\n },\n lineEnd: function() {\n this._curve.lineEnd();\n },\n point: function(a, r) {\n this._curve.point(r * Math.sin(a), r * -Math.cos(a));\n }\n};\n\nexport default function curveRadial(curve) {\n\n function radial(context) {\n return new Radial(curve(context));\n }\n\n radial._curve = curve;\n\n return radial;\n}\n","import curveRadial, {curveRadialLinear} from \"./curve/radial.js\";\nimport line from \"./line.js\";\n\nexport function lineRadial(l) {\n var c = l.curve;\n\n l.angle = l.x, delete l.x;\n l.radius = l.y, delete l.y;\n\n l.curve = function(_) {\n return arguments.length ? c(curveRadial(_)) : c()._curve;\n };\n\n return l;\n}\n\nexport default function() {\n return lineRadial(line().curve(curveRadialLinear));\n}\n","import curveRadial, {curveRadialLinear} from \"./curve/radial.js\";\nimport area from \"./area.js\";\nimport {lineRadial} from \"./lineRadial.js\";\n\nexport default function() {\n var a = area().curve(curveRadialLinear),\n c = a.curve,\n x0 = a.lineX0,\n x1 = a.lineX1,\n y0 = a.lineY0,\n y1 = a.lineY1;\n\n a.angle = a.x, delete a.x;\n a.startAngle = a.x0, delete a.x0;\n a.endAngle = a.x1, delete a.x1;\n a.radius = a.y, delete a.y;\n a.innerRadius = a.y0, delete a.y0;\n a.outerRadius = a.y1, delete a.y1;\n a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0;\n a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1;\n a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0;\n a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1;\n\n a.curve = function(_) {\n return arguments.length ? c(curveRadial(_)) : c()._curve;\n };\n\n return a;\n}\n","export default function(x, y) {\n return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)];\n}\n","export var slice = Array.prototype.slice;\n","import {path} from \"d3-path\";\nimport {slice} from \"../array.js\";\nimport constant from \"../constant.js\";\nimport {x as pointX, y as pointY} from \"../point.js\";\nimport pointRadial from \"../pointRadial.js\";\n\nfunction linkSource(d) {\n return d.source;\n}\n\nfunction linkTarget(d) {\n return d.target;\n}\n\nfunction link(curve) {\n var source = linkSource,\n target = linkTarget,\n x = pointX,\n y = pointY,\n context = null;\n\n function link() {\n var buffer, argv = slice.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv);\n if (!context) context = buffer = path();\n curve(context, +x.apply(this, (argv[0] = s, argv)), +y.apply(this, argv), +x.apply(this, (argv[0] = t, argv)), +y.apply(this, argv));\n if (buffer) return context = null, buffer + \"\" || null;\n }\n\n link.source = function(_) {\n return arguments.length ? (source = _, link) : source;\n };\n\n link.target = function(_) {\n return arguments.length ? (target = _, link) : target;\n };\n\n link.x = function(_) {\n return arguments.length ? (x = typeof _ === \"function\" ? _ : constant(+_), link) : x;\n };\n\n link.y = function(_) {\n return arguments.length ? (y = typeof _ === \"function\" ? _ : constant(+_), link) : y;\n };\n\n link.context = function(_) {\n return arguments.length ? ((context = _ == null ? null : _), link) : context;\n };\n\n return link;\n}\n\nfunction curveHorizontal(context, x0, y0, x1, y1) {\n context.moveTo(x0, y0);\n context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1);\n}\n\nfunction curveVertical(context, x0, y0, x1, y1) {\n context.moveTo(x0, y0);\n context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1);\n}\n\nfunction curveRadial(context, x0, y0, x1, y1) {\n var p0 = pointRadial(x0, y0),\n p1 = pointRadial(x0, y0 = (y0 + y1) / 2),\n p2 = pointRadial(x1, y0),\n p3 = pointRadial(x1, y1);\n context.moveTo(p0[0], p0[1]);\n context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]);\n}\n\nexport function linkHorizontal() {\n return link(curveHorizontal);\n}\n\nexport function linkVertical() {\n return link(curveVertical);\n}\n\nexport function linkRadial() {\n var l = link(curveRadial);\n l.angle = l.x, delete l.x;\n l.radius = l.y, delete l.y;\n return l;\n}\n","import {pi, tau} from \"../math.js\";\n\nexport default {\n draw: function(context, size) {\n var r = Math.sqrt(size / pi);\n context.moveTo(r, 0);\n context.arc(0, 0, r, 0, tau);\n }\n};\n","export default {\n draw: function(context, size) {\n var r = Math.sqrt(size / 5) / 2;\n context.moveTo(-3 * r, -r);\n context.lineTo(-r, -r);\n context.lineTo(-r, -3 * r);\n context.lineTo(r, -3 * r);\n context.lineTo(r, -r);\n context.lineTo(3 * r, -r);\n context.lineTo(3 * r, r);\n context.lineTo(r, r);\n context.lineTo(r, 3 * r);\n context.lineTo(-r, 3 * r);\n context.lineTo(-r, r);\n context.lineTo(-3 * r, r);\n context.closePath();\n }\n};\n","var tan30 = Math.sqrt(1 / 3),\n tan30_2 = tan30 * 2;\n\nexport default {\n draw: function(context, size) {\n var y = Math.sqrt(size / tan30_2),\n x = y * tan30;\n context.moveTo(0, -y);\n context.lineTo(x, 0);\n context.lineTo(0, y);\n context.lineTo(-x, 0);\n context.closePath();\n }\n};\n","import {pi, tau} from \"../math.js\";\n\nvar ka = 0.89081309152928522810,\n kr = Math.sin(pi / 10) / Math.sin(7 * pi / 10),\n kx = Math.sin(tau / 10) * kr,\n ky = -Math.cos(tau / 10) * kr;\n\nexport default {\n draw: function(context, size) {\n var r = Math.sqrt(size * ka),\n x = kx * r,\n y = ky * r;\n context.moveTo(0, -r);\n context.lineTo(x, y);\n for (var i = 1; i < 5; ++i) {\n var a = tau * i / 5,\n c = Math.cos(a),\n s = Math.sin(a);\n context.lineTo(s * r, -c * r);\n context.lineTo(c * x - s * y, s * x + c * y);\n }\n context.closePath();\n }\n};\n","export default {\n draw: function(context, size) {\n var w = Math.sqrt(size),\n x = -w / 2;\n context.rect(x, x, w, w);\n }\n};\n","var sqrt3 = Math.sqrt(3);\n\nexport default {\n draw: function(context, size) {\n var y = -Math.sqrt(size / (sqrt3 * 3));\n context.moveTo(0, y * 2);\n context.lineTo(-sqrt3 * y, -y);\n context.lineTo(sqrt3 * y, -y);\n context.closePath();\n }\n};\n","var c = -0.5,\n s = Math.sqrt(3) / 2,\n k = 1 / Math.sqrt(12),\n a = (k / 2 + 1) * 3;\n\nexport default {\n draw: function(context, size) {\n var r = Math.sqrt(size / a),\n x0 = r / 2,\n y0 = r * k,\n x1 = x0,\n y1 = r * k + r,\n x2 = -x1,\n y2 = y1;\n context.moveTo(x0, y0);\n context.lineTo(x1, y1);\n context.lineTo(x2, y2);\n context.lineTo(c * x0 - s * y0, s * x0 + c * y0);\n context.lineTo(c * x1 - s * y1, s * x1 + c * y1);\n context.lineTo(c * x2 - s * y2, s * x2 + c * y2);\n context.lineTo(c * x0 + s * y0, c * y0 - s * x0);\n context.lineTo(c * x1 + s * y1, c * y1 - s * x1);\n context.lineTo(c * x2 + s * y2, c * y2 - s * x2);\n context.closePath();\n }\n};\n","import {path} from \"d3-path\";\nimport circle from \"./symbol/circle.js\";\nimport cross from \"./symbol/cross.js\";\nimport diamond from \"./symbol/diamond.js\";\nimport star from \"./symbol/star.js\";\nimport square from \"./symbol/square.js\";\nimport triangle from \"./symbol/triangle.js\";\nimport wye from \"./symbol/wye.js\";\nimport constant from \"./constant.js\";\n\nexport var symbols = [\n circle,\n cross,\n diamond,\n square,\n star,\n triangle,\n wye\n];\n\nexport default function() {\n var type = constant(circle),\n size = constant(64),\n context = null;\n\n function symbol() {\n var buffer;\n if (!context) context = buffer = path();\n type.apply(this, arguments).draw(context, +size.apply(this, arguments));\n if (buffer) return context = null, buffer + \"\" || null;\n }\n\n symbol.type = function(_) {\n return arguments.length ? (type = typeof _ === \"function\" ? _ : constant(_), symbol) : type;\n };\n\n symbol.size = function(_) {\n return arguments.length ? (size = typeof _ === \"function\" ? _ : constant(+_), symbol) : size;\n };\n\n symbol.context = function(_) {\n return arguments.length ? (context = _ == null ? null : _, symbol) : context;\n };\n\n return symbol;\n}\n","export default function() {}\n","export function point(that, x, y) {\n that._context.bezierCurveTo(\n (2 * that._x0 + that._x1) / 3,\n (2 * that._y0 + that._y1) / 3,\n (that._x0 + 2 * that._x1) / 3,\n (that._y0 + 2 * that._y1) / 3,\n (that._x0 + 4 * that._x1 + x) / 6,\n (that._y0 + 4 * that._y1 + y) / 6\n );\n}\n\nexport function Basis(context) {\n this._context = context;\n}\n\nBasis.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x0 = this._x1 =\n this._y0 = this._y1 = NaN;\n this._point = 0;\n },\n lineEnd: function() {\n switch (this._point) {\n case 3: point(this, this._x1, this._y1); // proceed\n case 2: this._context.lineTo(this._x1, this._y1); break;\n }\n if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();\n this._line = 1 - this._line;\n },\n point: function(x, y) {\n x = +x, y = +y;\n switch (this._point) {\n case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;\n case 1: this._point = 2; break;\n case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed\n default: point(this, x, y); break;\n }\n this._x0 = this._x1, this._x1 = x;\n this._y0 = this._y1, this._y1 = y;\n }\n};\n\nexport default function(context) {\n return new Basis(context);\n}\n","import noop from \"../noop.js\";\nimport {point} from \"./basis.js\";\n\nfunction BasisClosed(context) {\n this._context = context;\n}\n\nBasisClosed.prototype = {\n areaStart: noop,\n areaEnd: noop,\n lineStart: function() {\n this._x0 = this._x1 = this._x2 = this._x3 = this._x4 =\n this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN;\n this._point = 0;\n },\n lineEnd: function() {\n switch (this._point) {\n case 1: {\n this._context.moveTo(this._x2, this._y2);\n this._context.closePath();\n break;\n }\n case 2: {\n this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3);\n this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3);\n this._context.closePath();\n break;\n }\n case 3: {\n this.point(this._x2, this._y2);\n this.point(this._x3, this._y3);\n this.point(this._x4, this._y4);\n break;\n }\n }\n },\n point: function(x, y) {\n x = +x, y = +y;\n switch (this._point) {\n case 0: this._point = 1; this._x2 = x, this._y2 = y; break;\n case 1: this._point = 2; this._x3 = x, this._y3 = y; break;\n case 2: this._point = 3; this._x4 = x, this._y4 = y; this._context.moveTo((this._x0 + 4 * this._x1 + x) / 6, (this._y0 + 4 * this._y1 + y) / 6); break;\n default: point(this, x, y); break;\n }\n this._x0 = this._x1, this._x1 = x;\n this._y0 = this._y1, this._y1 = y;\n }\n};\n\nexport default function(context) {\n return new BasisClosed(context);\n}\n","import {point} from \"./basis.js\";\n\nfunction BasisOpen(context) {\n this._context = context;\n}\n\nBasisOpen.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x0 = this._x1 =\n this._y0 = this._y1 = NaN;\n this._point = 0;\n },\n lineEnd: function() {\n if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();\n this._line = 1 - this._line;\n },\n point: function(x, y) {\n x = +x, y = +y;\n switch (this._point) {\n case 0: this._point = 1; break;\n case 1: this._point = 2; break;\n case 2: this._point = 3; var x0 = (this._x0 + 4 * this._x1 + x) / 6, y0 = (this._y0 + 4 * this._y1 + y) / 6; this._line ? this._context.lineTo(x0, y0) : this._context.moveTo(x0, y0); break;\n case 3: this._point = 4; // proceed\n default: point(this, x, y); break;\n }\n this._x0 = this._x1, this._x1 = x;\n this._y0 = this._y1, this._y1 = y;\n }\n};\n\nexport default function(context) {\n return new BasisOpen(context);\n}\n","import {Basis} from \"./basis.js\";\n\nfunction Bundle(context, beta) {\n this._basis = new Basis(context);\n this._beta = beta;\n}\n\nBundle.prototype = {\n lineStart: function() {\n this._x = [];\n this._y = [];\n this._basis.lineStart();\n },\n lineEnd: function() {\n var x = this._x,\n y = this._y,\n j = x.length - 1;\n\n if (j > 0) {\n var x0 = x[0],\n y0 = y[0],\n dx = x[j] - x0,\n dy = y[j] - y0,\n i = -1,\n t;\n\n while (++i <= j) {\n t = i / j;\n this._basis.point(\n this._beta * x[i] + (1 - this._beta) * (x0 + t * dx),\n this._beta * y[i] + (1 - this._beta) * (y0 + t * dy)\n );\n }\n }\n\n this._x = this._y = null;\n this._basis.lineEnd();\n },\n point: function(x, y) {\n this._x.push(+x);\n this._y.push(+y);\n }\n};\n\nexport default (function custom(beta) {\n\n function bundle(context) {\n return beta === 1 ? new Basis(context) : new Bundle(context, beta);\n }\n\n bundle.beta = function(beta) {\n return custom(+beta);\n };\n\n return bundle;\n})(0.85);\n","export function point(that, x, y) {\n that._context.bezierCurveTo(\n that._x1 + that._k * (that._x2 - that._x0),\n that._y1 + that._k * (that._y2 - that._y0),\n that._x2 + that._k * (that._x1 - x),\n that._y2 + that._k * (that._y1 - y),\n that._x2,\n that._y2\n );\n}\n\nexport function Cardinal(context, tension) {\n this._context = context;\n this._k = (1 - tension) / 6;\n}\n\nCardinal.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x0 = this._x1 = this._x2 =\n this._y0 = this._y1 = this._y2 = NaN;\n this._point = 0;\n },\n lineEnd: function() {\n switch (this._point) {\n case 2: this._context.lineTo(this._x2, this._y2); break;\n case 3: point(this, this._x1, this._y1); break;\n }\n if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();\n this._line = 1 - this._line;\n },\n point: function(x, y) {\n x = +x, y = +y;\n switch (this._point) {\n case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;\n case 1: this._point = 2; this._x1 = x, this._y1 = y; break;\n case 2: this._point = 3; // proceed\n default: point(this, x, y); break;\n }\n this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;\n this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;\n }\n};\n\nexport default (function custom(tension) {\n\n function cardinal(context) {\n return new Cardinal(context, tension);\n }\n\n cardinal.tension = function(tension) {\n return custom(+tension);\n };\n\n return cardinal;\n})(0);\n","import noop from \"../noop.js\";\nimport {point} from \"./cardinal.js\";\n\nexport function CardinalClosed(context, tension) {\n this._context = context;\n this._k = (1 - tension) / 6;\n}\n\nCardinalClosed.prototype = {\n areaStart: noop,\n areaEnd: noop,\n lineStart: function() {\n this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 =\n this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;\n this._point = 0;\n },\n lineEnd: function() {\n switch (this._point) {\n case 1: {\n this._context.moveTo(this._x3, this._y3);\n this._context.closePath();\n break;\n }\n case 2: {\n this._context.lineTo(this._x3, this._y3);\n this._context.closePath();\n break;\n }\n case 3: {\n this.point(this._x3, this._y3);\n this.point(this._x4, this._y4);\n this.point(this._x5, this._y5);\n break;\n }\n }\n },\n point: function(x, y) {\n x = +x, y = +y;\n switch (this._point) {\n case 0: this._point = 1; this._x3 = x, this._y3 = y; break;\n case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break;\n case 2: this._point = 3; this._x5 = x, this._y5 = y; break;\n default: point(this, x, y); break;\n }\n this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;\n this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;\n }\n};\n\nexport default (function custom(tension) {\n\n function cardinal(context) {\n return new CardinalClosed(context, tension);\n }\n\n cardinal.tension = function(tension) {\n return custom(+tension);\n };\n\n return cardinal;\n})(0);\n","import {point} from \"./cardinal.js\";\n\nexport function CardinalOpen(context, tension) {\n this._context = context;\n this._k = (1 - tension) / 6;\n}\n\nCardinalOpen.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x0 = this._x1 = this._x2 =\n this._y0 = this._y1 = this._y2 = NaN;\n this._point = 0;\n },\n lineEnd: function() {\n if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();\n this._line = 1 - this._line;\n },\n point: function(x, y) {\n x = +x, y = +y;\n switch (this._point) {\n case 0: this._point = 1; break;\n case 1: this._point = 2; break;\n case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break;\n case 3: this._point = 4; // proceed\n default: point(this, x, y); break;\n }\n this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;\n this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;\n }\n};\n\nexport default (function custom(tension) {\n\n function cardinal(context) {\n return new CardinalOpen(context, tension);\n }\n\n cardinal.tension = function(tension) {\n return custom(+tension);\n };\n\n return cardinal;\n})(0);\n","import {epsilon} from \"../math.js\";\nimport {Cardinal} from \"./cardinal.js\";\n\nexport function point(that, x, y) {\n var x1 = that._x1,\n y1 = that._y1,\n x2 = that._x2,\n y2 = that._y2;\n\n if (that._l01_a > epsilon) {\n var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a,\n n = 3 * that._l01_a * (that._l01_a + that._l12_a);\n x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n;\n y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n;\n }\n\n if (that._l23_a > epsilon) {\n var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a,\n m = 3 * that._l23_a * (that._l23_a + that._l12_a);\n x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m;\n y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m;\n }\n\n that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2);\n}\n\nfunction CatmullRom(context, alpha) {\n this._context = context;\n this._alpha = alpha;\n}\n\nCatmullRom.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x0 = this._x1 = this._x2 =\n this._y0 = this._y1 = this._y2 = NaN;\n this._l01_a = this._l12_a = this._l23_a =\n this._l01_2a = this._l12_2a = this._l23_2a =\n this._point = 0;\n },\n lineEnd: function() {\n switch (this._point) {\n case 2: this._context.lineTo(this._x2, this._y2); break;\n case 3: this.point(this._x2, this._y2); break;\n }\n if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();\n this._line = 1 - this._line;\n },\n point: function(x, y) {\n x = +x, y = +y;\n\n if (this._point) {\n var x23 = this._x2 - x,\n y23 = this._y2 - y;\n this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));\n }\n\n switch (this._point) {\n case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;\n case 1: this._point = 2; break;\n case 2: this._point = 3; // proceed\n default: point(this, x, y); break;\n }\n\n this._l01_a = this._l12_a, this._l12_a = this._l23_a;\n this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;\n this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;\n this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;\n }\n};\n\nexport default (function custom(alpha) {\n\n function catmullRom(context) {\n return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0);\n }\n\n catmullRom.alpha = function(alpha) {\n return custom(+alpha);\n };\n\n return catmullRom;\n})(0.5);\n","import {CardinalClosed} from \"./cardinalClosed.js\";\nimport noop from \"../noop.js\";\nimport {point} from \"./catmullRom.js\";\n\nfunction CatmullRomClosed(context, alpha) {\n this._context = context;\n this._alpha = alpha;\n}\n\nCatmullRomClosed.prototype = {\n areaStart: noop,\n areaEnd: noop,\n lineStart: function() {\n this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 =\n this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;\n this._l01_a = this._l12_a = this._l23_a =\n this._l01_2a = this._l12_2a = this._l23_2a =\n this._point = 0;\n },\n lineEnd: function() {\n switch (this._point) {\n case 1: {\n this._context.moveTo(this._x3, this._y3);\n this._context.closePath();\n break;\n }\n case 2: {\n this._context.lineTo(this._x3, this._y3);\n this._context.closePath();\n break;\n }\n case 3: {\n this.point(this._x3, this._y3);\n this.point(this._x4, this._y4);\n this.point(this._x5, this._y5);\n break;\n }\n }\n },\n point: function(x, y) {\n x = +x, y = +y;\n\n if (this._point) {\n var x23 = this._x2 - x,\n y23 = this._y2 - y;\n this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));\n }\n\n switch (this._point) {\n case 0: this._point = 1; this._x3 = x, this._y3 = y; break;\n case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break;\n case 2: this._point = 3; this._x5 = x, this._y5 = y; break;\n default: point(this, x, y); break;\n }\n\n this._l01_a = this._l12_a, this._l12_a = this._l23_a;\n this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;\n this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;\n this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;\n }\n};\n\nexport default (function custom(alpha) {\n\n function catmullRom(context) {\n return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0);\n }\n\n catmullRom.alpha = function(alpha) {\n return custom(+alpha);\n };\n\n return catmullRom;\n})(0.5);\n","import {CardinalOpen} from \"./cardinalOpen.js\";\nimport {point} from \"./catmullRom.js\";\n\nfunction CatmullRomOpen(context, alpha) {\n this._context = context;\n this._alpha = alpha;\n}\n\nCatmullRomOpen.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x0 = this._x1 = this._x2 =\n this._y0 = this._y1 = this._y2 = NaN;\n this._l01_a = this._l12_a = this._l23_a =\n this._l01_2a = this._l12_2a = this._l23_2a =\n this._point = 0;\n },\n lineEnd: function() {\n if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();\n this._line = 1 - this._line;\n },\n point: function(x, y) {\n x = +x, y = +y;\n\n if (this._point) {\n var x23 = this._x2 - x,\n y23 = this._y2 - y;\n this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));\n }\n\n switch (this._point) {\n case 0: this._point = 1; break;\n case 1: this._point = 2; break;\n case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break;\n case 3: this._point = 4; // proceed\n default: point(this, x, y); break;\n }\n\n this._l01_a = this._l12_a, this._l12_a = this._l23_a;\n this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;\n this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;\n this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;\n }\n};\n\nexport default (function custom(alpha) {\n\n function catmullRom(context) {\n return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0);\n }\n\n catmullRom.alpha = function(alpha) {\n return custom(+alpha);\n };\n\n return catmullRom;\n})(0.5);\n","import noop from \"../noop.js\";\n\nfunction LinearClosed(context) {\n this._context = context;\n}\n\nLinearClosed.prototype = {\n areaStart: noop,\n areaEnd: noop,\n lineStart: function() {\n this._point = 0;\n },\n lineEnd: function() {\n if (this._point) this._context.closePath();\n },\n point: function(x, y) {\n x = +x, y = +y;\n if (this._point) this._context.lineTo(x, y);\n else this._point = 1, this._context.moveTo(x, y);\n }\n};\n\nexport default function(context) {\n return new LinearClosed(context);\n}\n","function sign(x) {\n return x < 0 ? -1 : 1;\n}\n\n// Calculate the slopes of the tangents (Hermite-type interpolation) based on\n// the following paper: Steffen, M. 1990. A Simple Method for Monotonic\n// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO.\n// NOV(II), P. 443, 1990.\nfunction slope3(that, x2, y2) {\n var h0 = that._x1 - that._x0,\n h1 = x2 - that._x1,\n s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0),\n s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0),\n p = (s0 * h1 + s1 * h0) / (h0 + h1);\n return (sign(s0) + sign(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0;\n}\n\n// Calculate a one-sided slope.\nfunction slope2(that, t) {\n var h = that._x1 - that._x0;\n return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t;\n}\n\n// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations\n// \"you can express cubic Hermite interpolation in terms of cubic Bézier curves\n// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1\".\nfunction point(that, t0, t1) {\n var x0 = that._x0,\n y0 = that._y0,\n x1 = that._x1,\n y1 = that._y1,\n dx = (x1 - x0) / 3;\n that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1);\n}\n\nfunction MonotoneX(context) {\n this._context = context;\n}\n\nMonotoneX.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x0 = this._x1 =\n this._y0 = this._y1 =\n this._t0 = NaN;\n this._point = 0;\n },\n lineEnd: function() {\n switch (this._point) {\n case 2: this._context.lineTo(this._x1, this._y1); break;\n case 3: point(this, this._t0, slope2(this, this._t0)); break;\n }\n if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();\n this._line = 1 - this._line;\n },\n point: function(x, y) {\n var t1 = NaN;\n\n x = +x, y = +y;\n if (x === this._x1 && y === this._y1) return; // Ignore coincident points.\n switch (this._point) {\n case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;\n case 1: this._point = 2; break;\n case 2: this._point = 3; point(this, slope2(this, t1 = slope3(this, x, y)), t1); break;\n default: point(this, this._t0, t1 = slope3(this, x, y)); break;\n }\n\n this._x0 = this._x1, this._x1 = x;\n this._y0 = this._y1, this._y1 = y;\n this._t0 = t1;\n }\n}\n\nfunction MonotoneY(context) {\n this._context = new ReflectContext(context);\n}\n\n(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) {\n MonotoneX.prototype.point.call(this, y, x);\n};\n\nfunction ReflectContext(context) {\n this._context = context;\n}\n\nReflectContext.prototype = {\n moveTo: function(x, y) { this._context.moveTo(y, x); },\n closePath: function() { this._context.closePath(); },\n lineTo: function(x, y) { this._context.lineTo(y, x); },\n bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); }\n};\n\nexport function monotoneX(context) {\n return new MonotoneX(context);\n}\n\nexport function monotoneY(context) {\n return new MonotoneY(context);\n}\n","function Natural(context) {\n this._context = context;\n}\n\nNatural.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x = [];\n this._y = [];\n },\n lineEnd: function() {\n var x = this._x,\n y = this._y,\n n = x.length;\n\n if (n) {\n this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]);\n if (n === 2) {\n this._context.lineTo(x[1], y[1]);\n } else {\n var px = controlPoints(x),\n py = controlPoints(y);\n for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) {\n this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]);\n }\n }\n }\n\n if (this._line || (this._line !== 0 && n === 1)) this._context.closePath();\n this._line = 1 - this._line;\n this._x = this._y = null;\n },\n point: function(x, y) {\n this._x.push(+x);\n this._y.push(+y);\n }\n};\n\n// See https://www.particleincell.com/2012/bezier-splines/ for derivation.\nfunction controlPoints(x) {\n var i,\n n = x.length - 1,\n m,\n a = new Array(n),\n b = new Array(n),\n r = new Array(n);\n a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1];\n for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1];\n a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n];\n for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1];\n a[n - 1] = r[n - 1] / b[n - 1];\n for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i];\n b[n - 1] = (x[n] + a[n - 1]) / 2;\n for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1];\n return [a, b];\n}\n\nexport default function(context) {\n return new Natural(context);\n}\n","function Step(context, t) {\n this._context = context;\n this._t = t;\n}\n\nStep.prototype = {\n areaStart: function() {\n this._line = 0;\n },\n areaEnd: function() {\n this._line = NaN;\n },\n lineStart: function() {\n this._x = this._y = NaN;\n this._point = 0;\n },\n lineEnd: function() {\n if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y);\n if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();\n if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line;\n },\n point: function(x, y) {\n x = +x, y = +y;\n switch (this._point) {\n case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;\n case 1: this._point = 2; // proceed\n default: {\n if (this._t <= 0) {\n this._context.lineTo(this._x, y);\n this._context.lineTo(x, y);\n } else {\n var x1 = this._x * (1 - this._t) + x * this._t;\n this._context.lineTo(x1, this._y);\n this._context.lineTo(x1, y);\n }\n break;\n }\n }\n this._x = x, this._y = y;\n }\n};\n\nexport default function(context) {\n return new Step(context, 0.5);\n}\n\nexport function stepBefore(context) {\n return new Step(context, 0);\n}\n\nexport function stepAfter(context) {\n return new Step(context, 1);\n}\n","export default function(series, order) {\n if (!((n = series.length) > 1)) return;\n for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) {\n s0 = s1, s1 = series[order[i]];\n for (j = 0; j < m; ++j) {\n s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1];\n }\n }\n}\n","export default function(series) {\n var n = series.length, o = new Array(n);\n while (--n >= 0) o[n] = n;\n return o;\n}\n","import {slice} from \"./array.js\";\nimport constant from \"./constant.js\";\nimport offsetNone from \"./offset/none.js\";\nimport orderNone from \"./order/none.js\";\n\nfunction stackValue(d, key) {\n return d[key];\n}\n\nexport default function() {\n var keys = constant([]),\n order = orderNone,\n offset = offsetNone,\n value = stackValue;\n\n function stack(data) {\n var kz = keys.apply(this, arguments),\n i,\n m = data.length,\n n = kz.length,\n sz = new Array(n),\n oz;\n\n for (i = 0; i < n; ++i) {\n for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) {\n si[j] = sij = [0, +value(data[j], ki, j, data)];\n sij.data = data[j];\n }\n si.key = ki;\n }\n\n for (i = 0, oz = order(sz); i < n; ++i) {\n sz[oz[i]].index = i;\n }\n\n offset(sz, oz);\n return sz;\n }\n\n stack.keys = function(_) {\n return arguments.length ? (keys = typeof _ === \"function\" ? _ : constant(slice.call(_)), stack) : keys;\n };\n\n stack.value = function(_) {\n return arguments.length ? (value = typeof _ === \"function\" ? _ : constant(+_), stack) : value;\n };\n\n stack.order = function(_) {\n return arguments.length ? (order = _ == null ? orderNone : typeof _ === \"function\" ? _ : constant(slice.call(_)), stack) : order;\n };\n\n stack.offset = function(_) {\n return arguments.length ? (offset = _ == null ? offsetNone : _, stack) : offset;\n };\n\n return stack;\n}\n","import none from \"./none.js\";\n\nexport default function(series) {\n var peaks = series.map(peak);\n return none(series).sort(function(a, b) { return peaks[a] - peaks[b]; });\n}\n\nfunction peak(series) {\n var i = -1, j = 0, n = series.length, vi, vj = -Infinity;\n while (++i < n) if ((vi = +series[i][1]) > vj) vj = vi, j = i;\n return j;\n}\n","import none from \"./none.js\";\n\nexport default function(series) {\n var sums = series.map(sum);\n return none(series).sort(function(a, b) { return sums[a] - sums[b]; });\n}\n\nexport function sum(series) {\n var s = 0, i = -1, n = series.length, v;\n while (++i < n) if (v = +series[i][1]) s += v;\n return s;\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","export function x(d) {\n return d[0];\n}\n\nexport function y(d) {\n return d[1];\n}\n","function RedBlackTree() {\n this._ = null; // root node\n}\n\nexport function RedBlackNode(node) {\n node.U = // parent node\n node.C = // color - true for red, false for black\n node.L = // left node\n node.R = // right node\n node.P = // previous node\n node.N = null; // next node\n}\n\nRedBlackTree.prototype = {\n constructor: RedBlackTree,\n\n insert: function(after, node) {\n var parent, grandpa, uncle;\n\n if (after) {\n node.P = after;\n node.N = after.N;\n if (after.N) after.N.P = node;\n after.N = node;\n if (after.R) {\n after = after.R;\n while (after.L) after = after.L;\n after.L = node;\n } else {\n after.R = node;\n }\n parent = after;\n } else if (this._) {\n after = RedBlackFirst(this._);\n node.P = null;\n node.N = after;\n after.P = after.L = node;\n parent = after;\n } else {\n node.P = node.N = null;\n this._ = node;\n parent = null;\n }\n node.L = node.R = null;\n node.U = parent;\n node.C = true;\n\n after = node;\n while (parent && parent.C) {\n grandpa = parent.U;\n if (parent === grandpa.L) {\n uncle = grandpa.R;\n if (uncle && uncle.C) {\n parent.C = uncle.C = false;\n grandpa.C = true;\n after = grandpa;\n } else {\n if (after === parent.R) {\n RedBlackRotateLeft(this, parent);\n after = parent;\n parent = after.U;\n }\n parent.C = false;\n grandpa.C = true;\n RedBlackRotateRight(this, grandpa);\n }\n } else {\n uncle = grandpa.L;\n if (uncle && uncle.C) {\n parent.C = uncle.C = false;\n grandpa.C = true;\n after = grandpa;\n } else {\n if (after === parent.L) {\n RedBlackRotateRight(this, parent);\n after = parent;\n parent = after.U;\n }\n parent.C = false;\n grandpa.C = true;\n RedBlackRotateLeft(this, grandpa);\n }\n }\n parent = after.U;\n }\n this._.C = false;\n },\n\n remove: function(node) {\n if (node.N) node.N.P = node.P;\n if (node.P) node.P.N = node.N;\n node.N = node.P = null;\n\n var parent = node.U,\n sibling,\n left = node.L,\n right = node.R,\n next,\n red;\n\n if (!left) next = right;\n else if (!right) next = left;\n else next = RedBlackFirst(right);\n\n if (parent) {\n if (parent.L === node) parent.L = next;\n else parent.R = next;\n } else {\n this._ = next;\n }\n\n if (left && right) {\n red = next.C;\n next.C = node.C;\n next.L = left;\n left.U = next;\n if (next !== right) {\n parent = next.U;\n next.U = node.U;\n node = next.R;\n parent.L = node;\n next.R = right;\n right.U = next;\n } else {\n next.U = parent;\n parent = next;\n node = next.R;\n }\n } else {\n red = node.C;\n node = next;\n }\n\n if (node) node.U = parent;\n if (red) return;\n if (node && node.C) { node.C = false; return; }\n\n do {\n if (node === this._) break;\n if (node === parent.L) {\n sibling = parent.R;\n if (sibling.C) {\n sibling.C = false;\n parent.C = true;\n RedBlackRotateLeft(this, parent);\n sibling = parent.R;\n }\n if ((sibling.L && sibling.L.C)\n || (sibling.R && sibling.R.C)) {\n if (!sibling.R || !sibling.R.C) {\n sibling.L.C = false;\n sibling.C = true;\n RedBlackRotateRight(this, sibling);\n sibling = parent.R;\n }\n sibling.C = parent.C;\n parent.C = sibling.R.C = false;\n RedBlackRotateLeft(this, parent);\n node = this._;\n break;\n }\n } else {\n sibling = parent.L;\n if (sibling.C) {\n sibling.C = false;\n parent.C = true;\n RedBlackRotateRight(this, parent);\n sibling = parent.L;\n }\n if ((sibling.L && sibling.L.C)\n || (sibling.R && sibling.R.C)) {\n if (!sibling.L || !sibling.L.C) {\n sibling.R.C = false;\n sibling.C = true;\n RedBlackRotateLeft(this, sibling);\n sibling = parent.L;\n }\n sibling.C = parent.C;\n parent.C = sibling.L.C = false;\n RedBlackRotateRight(this, parent);\n node = this._;\n break;\n }\n }\n sibling.C = true;\n node = parent;\n parent = parent.U;\n } while (!node.C);\n\n if (node) node.C = false;\n }\n};\n\nfunction RedBlackRotateLeft(tree, node) {\n var p = node,\n q = node.R,\n parent = p.U;\n\n if (parent) {\n if (parent.L === p) parent.L = q;\n else parent.R = q;\n } else {\n tree._ = q;\n }\n\n q.U = parent;\n p.U = q;\n p.R = q.L;\n if (p.R) p.R.U = p;\n q.L = p;\n}\n\nfunction RedBlackRotateRight(tree, node) {\n var p = node,\n q = node.L,\n parent = p.U;\n\n if (parent) {\n if (parent.L === p) parent.L = q;\n else parent.R = q;\n } else {\n tree._ = q;\n }\n\n q.U = parent;\n p.U = q;\n p.L = q.R;\n if (p.L) p.L.U = p;\n q.R = p;\n}\n\nfunction RedBlackFirst(node) {\n while (node.L) node = node.L;\n return node;\n}\n\nexport default RedBlackTree;\n","import {cells, edges, epsilon} from \"./Diagram\";\n\nexport function createEdge(left, right, v0, v1) {\n var edge = [null, null],\n index = edges.push(edge) - 1;\n edge.left = left;\n edge.right = right;\n if (v0) setEdgeEnd(edge, left, right, v0);\n if (v1) setEdgeEnd(edge, right, left, v1);\n cells[left.index].halfedges.push(index);\n cells[right.index].halfedges.push(index);\n return edge;\n}\n\nexport function createBorderEdge(left, v0, v1) {\n var edge = [v0, v1];\n edge.left = left;\n return edge;\n}\n\nexport function setEdgeEnd(edge, left, right, vertex) {\n if (!edge[0] && !edge[1]) {\n edge[0] = vertex;\n edge.left = left;\n edge.right = right;\n } else if (edge.left === right) {\n edge[1] = vertex;\n } else {\n edge[0] = vertex;\n }\n}\n\n// Liang–Barsky line clipping.\nfunction clipEdge(edge, x0, y0, x1, y1) {\n var a = edge[0],\n b = edge[1],\n ax = a[0],\n ay = a[1],\n bx = b[0],\n by = b[1],\n t0 = 0,\n t1 = 1,\n dx = bx - ax,\n dy = by - ay,\n r;\n\n r = x0 - ax;\n if (!dx && r > 0) return;\n r /= dx;\n if (dx < 0) {\n if (r < t0) return;\n if (r < t1) t1 = r;\n } else if (dx > 0) {\n if (r > t1) return;\n if (r > t0) t0 = r;\n }\n\n r = x1 - ax;\n if (!dx && r < 0) return;\n r /= dx;\n if (dx < 0) {\n if (r > t1) return;\n if (r > t0) t0 = r;\n } else if (dx > 0) {\n if (r < t0) return;\n if (r < t1) t1 = r;\n }\n\n r = y0 - ay;\n if (!dy && r > 0) return;\n r /= dy;\n if (dy < 0) {\n if (r < t0) return;\n if (r < t1) t1 = r;\n } else if (dy > 0) {\n if (r > t1) return;\n if (r > t0) t0 = r;\n }\n\n r = y1 - ay;\n if (!dy && r < 0) return;\n r /= dy;\n if (dy < 0) {\n if (r > t1) return;\n if (r > t0) t0 = r;\n } else if (dy > 0) {\n if (r < t0) return;\n if (r < t1) t1 = r;\n }\n\n if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check?\n\n if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy];\n if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy];\n return true;\n}\n\nfunction connectEdge(edge, x0, y0, x1, y1) {\n var v1 = edge[1];\n if (v1) return true;\n\n var v0 = edge[0],\n left = edge.left,\n right = edge.right,\n lx = left[0],\n ly = left[1],\n rx = right[0],\n ry = right[1],\n fx = (lx + rx) / 2,\n fy = (ly + ry) / 2,\n fm,\n fb;\n\n if (ry === ly) {\n if (fx < x0 || fx >= x1) return;\n if (lx > rx) {\n if (!v0) v0 = [fx, y0];\n else if (v0[1] >= y1) return;\n v1 = [fx, y1];\n } else {\n if (!v0) v0 = [fx, y1];\n else if (v0[1] < y0) return;\n v1 = [fx, y0];\n }\n } else {\n fm = (lx - rx) / (ry - ly);\n fb = fy - fm * fx;\n if (fm < -1 || fm > 1) {\n if (lx > rx) {\n if (!v0) v0 = [(y0 - fb) / fm, y0];\n else if (v0[1] >= y1) return;\n v1 = [(y1 - fb) / fm, y1];\n } else {\n if (!v0) v0 = [(y1 - fb) / fm, y1];\n else if (v0[1] < y0) return;\n v1 = [(y0 - fb) / fm, y0];\n }\n } else {\n if (ly < ry) {\n if (!v0) v0 = [x0, fm * x0 + fb];\n else if (v0[0] >= x1) return;\n v1 = [x1, fm * x1 + fb];\n } else {\n if (!v0) v0 = [x1, fm * x1 + fb];\n else if (v0[0] < x0) return;\n v1 = [x0, fm * x0 + fb];\n }\n }\n }\n\n edge[0] = v0;\n edge[1] = v1;\n return true;\n}\n\nexport function clipEdges(x0, y0, x1, y1) {\n var i = edges.length,\n edge;\n\n while (i--) {\n if (!connectEdge(edge = edges[i], x0, y0, x1, y1)\n || !clipEdge(edge, x0, y0, x1, y1)\n || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon\n || Math.abs(edge[0][1] - edge[1][1]) > epsilon)) {\n delete edges[i];\n }\n }\n}\n","import {createBorderEdge} from \"./Edge\";\nimport {cells, edges, epsilon} from \"./Diagram\";\n\nexport function createCell(site) {\n return cells[site.index] = {\n site: site,\n halfedges: []\n };\n}\n\nfunction cellHalfedgeAngle(cell, edge) {\n var site = cell.site,\n va = edge.left,\n vb = edge.right;\n if (site === vb) vb = va, va = site;\n if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]);\n if (site === va) va = edge[1], vb = edge[0];\n else va = edge[0], vb = edge[1];\n return Math.atan2(va[0] - vb[0], vb[1] - va[1]);\n}\n\nexport function cellHalfedgeStart(cell, edge) {\n return edge[+(edge.left !== cell.site)];\n}\n\nexport function cellHalfedgeEnd(cell, edge) {\n return edge[+(edge.left === cell.site)];\n}\n\nexport function sortCellHalfedges() {\n for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) {\n if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) {\n var index = new Array(m),\n array = new Array(m);\n for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]);\n index.sort(function(i, j) { return array[j] - array[i]; });\n for (j = 0; j < m; ++j) array[j] = halfedges[index[j]];\n for (j = 0; j < m; ++j) halfedges[j] = array[j];\n }\n }\n}\n\nexport function clipCells(x0, y0, x1, y1) {\n var nCells = cells.length,\n iCell,\n cell,\n site,\n iHalfedge,\n halfedges,\n nHalfedges,\n start,\n startX,\n startY,\n end,\n endX,\n endY,\n cover = true;\n\n for (iCell = 0; iCell < nCells; ++iCell) {\n if (cell = cells[iCell]) {\n site = cell.site;\n halfedges = cell.halfedges;\n iHalfedge = halfedges.length;\n\n // Remove any dangling clipped edges.\n while (iHalfedge--) {\n if (!edges[halfedges[iHalfedge]]) {\n halfedges.splice(iHalfedge, 1);\n }\n }\n\n // Insert any border edges as necessary.\n iHalfedge = 0, nHalfedges = halfedges.length;\n while (iHalfedge < nHalfedges) {\n end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1];\n start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1];\n if (Math.abs(endX - startX) > epsilon || Math.abs(endY - startY) > epsilon) {\n halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end,\n Math.abs(endX - x0) < epsilon && y1 - endY > epsilon ? [x0, Math.abs(startX - x0) < epsilon ? startY : y1]\n : Math.abs(endY - y1) < epsilon && x1 - endX > epsilon ? [Math.abs(startY - y1) < epsilon ? startX : x1, y1]\n : Math.abs(endX - x1) < epsilon && endY - y0 > epsilon ? [x1, Math.abs(startX - x1) < epsilon ? startY : y0]\n : Math.abs(endY - y0) < epsilon && endX - x0 > epsilon ? [Math.abs(startY - y0) < epsilon ? startX : x0, y0]\n : null)) - 1);\n ++nHalfedges;\n }\n }\n\n if (nHalfedges) cover = false;\n }\n }\n\n // If there weren’t any edges, have the closest site cover the extent.\n // It doesn’t matter which corner of the extent we measure!\n if (cover) {\n var dx, dy, d2, dc = Infinity;\n\n for (iCell = 0, cover = null; iCell < nCells; ++iCell) {\n if (cell = cells[iCell]) {\n site = cell.site;\n dx = site[0] - x0;\n dy = site[1] - y0;\n d2 = dx * dx + dy * dy;\n if (d2 < dc) dc = d2, cover = cell;\n }\n }\n\n if (cover) {\n var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0];\n cover.halfedges.push(\n edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1,\n edges.push(createBorderEdge(site, v01, v11)) - 1,\n edges.push(createBorderEdge(site, v11, v10)) - 1,\n edges.push(createBorderEdge(site, v10, v00)) - 1\n );\n }\n }\n\n // Lastly delete any cells with no edges; these were entirely clipped.\n for (iCell = 0; iCell < nCells; ++iCell) {\n if (cell = cells[iCell]) {\n if (!cell.halfedges.length) {\n delete cells[iCell];\n }\n }\n }\n}\n","import {RedBlackNode} from \"./RedBlackTree\";\nimport {circles, epsilon2} from \"./Diagram\";\n\nvar circlePool = [];\n\nexport var firstCircle;\n\nfunction Circle() {\n RedBlackNode(this);\n this.x =\n this.y =\n this.arc =\n this.site =\n this.cy = null;\n}\n\nexport function attachCircle(arc) {\n var lArc = arc.P,\n rArc = arc.N;\n\n if (!lArc || !rArc) return;\n\n var lSite = lArc.site,\n cSite = arc.site,\n rSite = rArc.site;\n\n if (lSite === rSite) return;\n\n var bx = cSite[0],\n by = cSite[1],\n ax = lSite[0] - bx,\n ay = lSite[1] - by,\n cx = rSite[0] - bx,\n cy = rSite[1] - by;\n\n var d = 2 * (ax * cy - ay * cx);\n if (d >= -epsilon2) return;\n\n var ha = ax * ax + ay * ay,\n hc = cx * cx + cy * cy,\n x = (cy * ha - ay * hc) / d,\n y = (ax * hc - cx * ha) / d;\n\n var circle = circlePool.pop() || new Circle;\n circle.arc = arc;\n circle.site = cSite;\n circle.x = x + bx;\n circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom\n\n arc.circle = circle;\n\n var before = null,\n node = circles._;\n\n while (node) {\n if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) {\n if (node.L) node = node.L;\n else { before = node.P; break; }\n } else {\n if (node.R) node = node.R;\n else { before = node; break; }\n }\n }\n\n circles.insert(before, circle);\n if (!before) firstCircle = circle;\n}\n\nexport function detachCircle(arc) {\n var circle = arc.circle;\n if (circle) {\n if (!circle.P) firstCircle = circle.N;\n circles.remove(circle);\n circlePool.push(circle);\n RedBlackNode(circle);\n arc.circle = null;\n }\n}\n","import {RedBlackNode} from \"./RedBlackTree\";\nimport {createCell} from \"./Cell\";\nimport {attachCircle, detachCircle} from \"./Circle\";\nimport {createEdge, setEdgeEnd} from \"./Edge\";\nimport {beaches, epsilon} from \"./Diagram\";\n\nvar beachPool = [];\n\nfunction Beach() {\n RedBlackNode(this);\n this.edge =\n this.site =\n this.circle = null;\n}\n\nfunction createBeach(site) {\n var beach = beachPool.pop() || new Beach;\n beach.site = site;\n return beach;\n}\n\nfunction detachBeach(beach) {\n detachCircle(beach);\n beaches.remove(beach);\n beachPool.push(beach);\n RedBlackNode(beach);\n}\n\nexport function removeBeach(beach) {\n var circle = beach.circle,\n x = circle.x,\n y = circle.cy,\n vertex = [x, y],\n previous = beach.P,\n next = beach.N,\n disappearing = [beach];\n\n detachBeach(beach);\n\n var lArc = previous;\n while (lArc.circle\n && Math.abs(x - lArc.circle.x) < epsilon\n && Math.abs(y - lArc.circle.cy) < epsilon) {\n previous = lArc.P;\n disappearing.unshift(lArc);\n detachBeach(lArc);\n lArc = previous;\n }\n\n disappearing.unshift(lArc);\n detachCircle(lArc);\n\n var rArc = next;\n while (rArc.circle\n && Math.abs(x - rArc.circle.x) < epsilon\n && Math.abs(y - rArc.circle.cy) < epsilon) {\n next = rArc.N;\n disappearing.push(rArc);\n detachBeach(rArc);\n rArc = next;\n }\n\n disappearing.push(rArc);\n detachCircle(rArc);\n\n var nArcs = disappearing.length,\n iArc;\n for (iArc = 1; iArc < nArcs; ++iArc) {\n rArc = disappearing[iArc];\n lArc = disappearing[iArc - 1];\n setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);\n }\n\n lArc = disappearing[0];\n rArc = disappearing[nArcs - 1];\n rArc.edge = createEdge(lArc.site, rArc.site, null, vertex);\n\n attachCircle(lArc);\n attachCircle(rArc);\n}\n\nexport function addBeach(site) {\n var x = site[0],\n directrix = site[1],\n lArc,\n rArc,\n dxl,\n dxr,\n node = beaches._;\n\n while (node) {\n dxl = leftBreakPoint(node, directrix) - x;\n if (dxl > epsilon) node = node.L; else {\n dxr = x - rightBreakPoint(node, directrix);\n if (dxr > epsilon) {\n if (!node.R) {\n lArc = node;\n break;\n }\n node = node.R;\n } else {\n if (dxl > -epsilon) {\n lArc = node.P;\n rArc = node;\n } else if (dxr > -epsilon) {\n lArc = node;\n rArc = node.N;\n } else {\n lArc = rArc = node;\n }\n break;\n }\n }\n }\n\n createCell(site);\n var newArc = createBeach(site);\n beaches.insert(lArc, newArc);\n\n if (!lArc && !rArc) return;\n\n if (lArc === rArc) {\n detachCircle(lArc);\n rArc = createBeach(lArc.site);\n beaches.insert(newArc, rArc);\n newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site);\n attachCircle(lArc);\n attachCircle(rArc);\n return;\n }\n\n if (!rArc) { // && lArc\n newArc.edge = createEdge(lArc.site, newArc.site);\n return;\n }\n\n // else lArc !== rArc\n detachCircle(lArc);\n detachCircle(rArc);\n\n var lSite = lArc.site,\n ax = lSite[0],\n ay = lSite[1],\n bx = site[0] - ax,\n by = site[1] - ay,\n rSite = rArc.site,\n cx = rSite[0] - ax,\n cy = rSite[1] - ay,\n d = 2 * (bx * cy - by * cx),\n hb = bx * bx + by * by,\n hc = cx * cx + cy * cy,\n vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay];\n\n setEdgeEnd(rArc.edge, lSite, rSite, vertex);\n newArc.edge = createEdge(lSite, site, null, vertex);\n rArc.edge = createEdge(site, rSite, null, vertex);\n attachCircle(lArc);\n attachCircle(rArc);\n}\n\nfunction leftBreakPoint(arc, directrix) {\n var site = arc.site,\n rfocx = site[0],\n rfocy = site[1],\n pby2 = rfocy - directrix;\n\n if (!pby2) return rfocx;\n\n var lArc = arc.P;\n if (!lArc) return -Infinity;\n\n site = lArc.site;\n var lfocx = site[0],\n lfocy = site[1],\n plby2 = lfocy - directrix;\n\n if (!plby2) return lfocx;\n\n var hl = lfocx - rfocx,\n aby2 = 1 / pby2 - 1 / plby2,\n b = hl / plby2;\n\n if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;\n\n return (rfocx + lfocx) / 2;\n}\n\nfunction rightBreakPoint(arc, directrix) {\n var rArc = arc.N;\n if (rArc) return leftBreakPoint(rArc, directrix);\n var site = arc.site;\n return site[1] === directrix ? site[0] : Infinity;\n}\n","import {addBeach, removeBeach} from \"./Beach\";\nimport {sortCellHalfedges, cellHalfedgeStart, clipCells} from \"./Cell\";\nimport {firstCircle} from \"./Circle\";\nimport {clipEdges} from \"./Edge\";\nimport RedBlackTree from \"./RedBlackTree\";\n\nexport var epsilon = 1e-6;\nexport var epsilon2 = 1e-12;\nexport var beaches;\nexport var cells;\nexport var circles;\nexport var edges;\n\nfunction triangleArea(a, b, c) {\n return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]);\n}\n\nfunction lexicographic(a, b) {\n return b[1] - a[1]\n || b[0] - a[0];\n}\n\nexport default function Diagram(sites, extent) {\n var site = sites.sort(lexicographic).pop(),\n x,\n y,\n circle;\n\n edges = [];\n cells = new Array(sites.length);\n beaches = new RedBlackTree;\n circles = new RedBlackTree;\n\n while (true) {\n circle = firstCircle;\n if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) {\n if (site[0] !== x || site[1] !== y) {\n addBeach(site);\n x = site[0], y = site[1];\n }\n site = sites.pop();\n } else if (circle) {\n removeBeach(circle.arc);\n } else {\n break;\n }\n }\n\n sortCellHalfedges();\n\n if (extent) {\n var x0 = +extent[0][0],\n y0 = +extent[0][1],\n x1 = +extent[1][0],\n y1 = +extent[1][1];\n clipEdges(x0, y0, x1, y1);\n clipCells(x0, y0, x1, y1);\n }\n\n this.edges = edges;\n this.cells = cells;\n\n beaches =\n circles =\n edges =\n cells = null;\n}\n\nDiagram.prototype = {\n constructor: Diagram,\n\n polygons: function() {\n var edges = this.edges;\n\n return this.cells.map(function(cell) {\n var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); });\n polygon.data = cell.site.data;\n return polygon;\n });\n },\n\n triangles: function() {\n var triangles = [],\n edges = this.edges;\n\n this.cells.forEach(function(cell, i) {\n if (!(m = (halfedges = cell.halfedges).length)) return;\n var site = cell.site,\n halfedges,\n j = -1,\n m,\n s0,\n e1 = edges[halfedges[m - 1]],\n s1 = e1.left === site ? e1.right : e1.left;\n\n while (++j < m) {\n s0 = s1;\n e1 = edges[halfedges[j]];\n s1 = e1.left === site ? e1.right : e1.left;\n if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) {\n triangles.push([site.data, s0.data, s1.data]);\n }\n }\n });\n\n return triangles;\n },\n\n links: function() {\n return this.edges.filter(function(edge) {\n return edge.right;\n }).map(function(edge) {\n return {\n source: edge.left.data,\n target: edge.right.data\n };\n });\n },\n\n find: function(x, y, radius) {\n var that = this, i0, i1 = that._found || 0, n = that.cells.length, cell;\n\n // Use the previously-found cell, or start with an arbitrary one.\n while (!(cell = that.cells[i1])) if (++i1 >= n) return null;\n var dx = x - cell.site[0], dy = y - cell.site[1], d2 = dx * dx + dy * dy;\n\n // Traverse the half-edges to find a closer cell, if any.\n do {\n cell = that.cells[i0 = i1], i1 = null;\n cell.halfedges.forEach(function(e) {\n var edge = that.edges[e], v = edge.left;\n if ((v === cell.site || !v) && !(v = edge.right)) return;\n var vx = x - v[0], vy = y - v[1], v2 = vx * vx + vy * vy;\n if (v2 < d2) d2 = v2, i1 = v.index;\n });\n } while (i1 !== null);\n\n that._found = i0;\n\n return radius == null || d2 <= radius * radius ? cell.site : null;\n }\n}\n","export default function(x) {\n return function() {\n return x;\n };\n}\n","export default function ZoomEvent(target, type, transform) {\n this.target = target;\n this.type = type;\n this.transform = transform;\n}\n","export function Transform(k, x, y) {\n this.k = k;\n this.x = x;\n this.y = y;\n}\n\nTransform.prototype = {\n constructor: Transform,\n scale: function(k) {\n return k === 1 ? this : new Transform(this.k * k, this.x, this.y);\n },\n translate: function(x, y) {\n return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y);\n },\n apply: function(point) {\n return [point[0] * this.k + this.x, point[1] * this.k + this.y];\n },\n applyX: function(x) {\n return x * this.k + this.x;\n },\n applyY: function(y) {\n return y * this.k + this.y;\n },\n invert: function(location) {\n return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k];\n },\n invertX: function(x) {\n return (x - this.x) / this.k;\n },\n invertY: function(y) {\n return (y - this.y) / this.k;\n },\n rescaleX: function(x) {\n return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x));\n },\n rescaleY: function(y) {\n return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y));\n },\n toString: function() {\n return \"translate(\" + this.x + \",\" + this.y + \") scale(\" + this.k + \")\";\n }\n};\n\nexport var identity = new Transform(1, 0, 0);\n\ntransform.prototype = Transform.prototype;\n\nexport default function transform(node) {\n while (!node.__zoom) if (!(node = node.parentNode)) return identity;\n return node.__zoom;\n}\n","import {event} from \"d3-selection\";\n\nexport function nopropagation() {\n event.stopImmediatePropagation();\n}\n\nexport default function() {\n event.preventDefault();\n event.stopImmediatePropagation();\n}\n","import {dispatch} from \"d3-dispatch\";\nimport {dragDisable, dragEnable} from \"d3-drag\";\nimport {interpolateZoom} from \"d3-interpolate\";\nimport {event, customEvent, select, mouse, touch} from \"d3-selection\";\nimport {interrupt} from \"d3-transition\";\nimport constant from \"./constant.js\";\nimport ZoomEvent from \"./event.js\";\nimport {Transform, identity} from \"./transform.js\";\nimport noevent, {nopropagation} from \"./noevent.js\";\n\n// Ignore right-click, since that should open the context menu.\nfunction defaultFilter() {\n return !event.ctrlKey && !event.button;\n}\n\nfunction defaultExtent() {\n var e = this;\n if (e instanceof SVGElement) {\n e = e.ownerSVGElement || e;\n if (e.hasAttribute(\"viewBox\")) {\n e = e.viewBox.baseVal;\n return [[e.x, e.y], [e.x + e.width, e.y + e.height]];\n }\n return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]];\n }\n return [[0, 0], [e.clientWidth, e.clientHeight]];\n}\n\nfunction defaultTransform() {\n return this.__zoom || identity;\n}\n\nfunction defaultWheelDelta() {\n return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 0.002);\n}\n\nfunction defaultTouchable() {\n return navigator.maxTouchPoints || (\"ontouchstart\" in this);\n}\n\nfunction defaultConstrain(transform, extent, translateExtent) {\n var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0],\n dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0],\n dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1],\n dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1];\n return transform.translate(\n dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1),\n dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1)\n );\n}\n\nexport default function() {\n var filter = defaultFilter,\n extent = defaultExtent,\n constrain = defaultConstrain,\n wheelDelta = defaultWheelDelta,\n touchable = defaultTouchable,\n scaleExtent = [0, Infinity],\n translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]],\n duration = 250,\n interpolate = interpolateZoom,\n listeners = dispatch(\"start\", \"zoom\", \"end\"),\n touchstarting,\n touchending,\n touchDelay = 500,\n wheelDelay = 150,\n clickDistance2 = 0;\n\n function zoom(selection) {\n selection\n .property(\"__zoom\", defaultTransform)\n .on(\"wheel.zoom\", wheeled)\n .on(\"mousedown.zoom\", mousedowned)\n .on(\"dblclick.zoom\", dblclicked)\n .filter(touchable)\n .on(\"touchstart.zoom\", touchstarted)\n .on(\"touchmove.zoom\", touchmoved)\n .on(\"touchend.zoom touchcancel.zoom\", touchended)\n .style(\"touch-action\", \"none\")\n .style(\"-webkit-tap-highlight-color\", \"rgba(0,0,0,0)\");\n }\n\n zoom.transform = function(collection, transform, point) {\n var selection = collection.selection ? collection.selection() : collection;\n selection.property(\"__zoom\", defaultTransform);\n if (collection !== selection) {\n schedule(collection, transform, point);\n } else {\n selection.interrupt().each(function() {\n gesture(this, arguments)\n .start()\n .zoom(null, typeof transform === \"function\" ? transform.apply(this, arguments) : transform)\n .end();\n });\n }\n };\n\n zoom.scaleBy = function(selection, k, p) {\n zoom.scaleTo(selection, function() {\n var k0 = this.__zoom.k,\n k1 = typeof k === \"function\" ? k.apply(this, arguments) : k;\n return k0 * k1;\n }, p);\n };\n\n zoom.scaleTo = function(selection, k, p) {\n zoom.transform(selection, function() {\n var e = extent.apply(this, arguments),\n t0 = this.__zoom,\n p0 = p == null ? centroid(e) : typeof p === \"function\" ? p.apply(this, arguments) : p,\n p1 = t0.invert(p0),\n k1 = typeof k === \"function\" ? k.apply(this, arguments) : k;\n return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent);\n }, p);\n };\n\n zoom.translateBy = function(selection, x, y) {\n zoom.transform(selection, function() {\n return constrain(this.__zoom.translate(\n typeof x === \"function\" ? x.apply(this, arguments) : x,\n typeof y === \"function\" ? y.apply(this, arguments) : y\n ), extent.apply(this, arguments), translateExtent);\n });\n };\n\n zoom.translateTo = function(selection, x, y, p) {\n zoom.transform(selection, function() {\n var e = extent.apply(this, arguments),\n t = this.__zoom,\n p0 = p == null ? centroid(e) : typeof p === \"function\" ? p.apply(this, arguments) : p;\n return constrain(identity.translate(p0[0], p0[1]).scale(t.k).translate(\n typeof x === \"function\" ? -x.apply(this, arguments) : -x,\n typeof y === \"function\" ? -y.apply(this, arguments) : -y\n ), e, translateExtent);\n }, p);\n };\n\n function scale(transform, k) {\n k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k));\n return k === transform.k ? transform : new Transform(k, transform.x, transform.y);\n }\n\n function translate(transform, p0, p1) {\n var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k;\n return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y);\n }\n\n function centroid(extent) {\n return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2];\n }\n\n function schedule(transition, transform, point) {\n transition\n .on(\"start.zoom\", function() { gesture(this, arguments).start(); })\n .on(\"interrupt.zoom end.zoom\", function() { gesture(this, arguments).end(); })\n .tween(\"zoom\", function() {\n var that = this,\n args = arguments,\n g = gesture(that, args),\n e = extent.apply(that, args),\n p = point == null ? centroid(e) : typeof point === \"function\" ? point.apply(that, args) : point,\n w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]),\n a = that.__zoom,\n b = typeof transform === \"function\" ? transform.apply(that, args) : transform,\n i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k));\n return function(t) {\n if (t === 1) t = b; // Avoid rounding error on end.\n else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); }\n g.zoom(null, t);\n };\n });\n }\n\n function gesture(that, args, clean) {\n return (!clean && that.__zooming) || new Gesture(that, args);\n }\n\n function Gesture(that, args) {\n this.that = that;\n this.args = args;\n this.active = 0;\n this.extent = extent.apply(that, args);\n this.taps = 0;\n }\n\n Gesture.prototype = {\n start: function() {\n if (++this.active === 1) {\n this.that.__zooming = this;\n this.emit(\"start\");\n }\n return this;\n },\n zoom: function(key, transform) {\n if (this.mouse && key !== \"mouse\") this.mouse[1] = transform.invert(this.mouse[0]);\n if (this.touch0 && key !== \"touch\") this.touch0[1] = transform.invert(this.touch0[0]);\n if (this.touch1 && key !== \"touch\") this.touch1[1] = transform.invert(this.touch1[0]);\n this.that.__zoom = transform;\n this.emit(\"zoom\");\n return this;\n },\n end: function() {\n if (--this.active === 0) {\n delete this.that.__zooming;\n this.emit(\"end\");\n }\n return this;\n },\n emit: function(type) {\n customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]);\n }\n };\n\n function wheeled() {\n if (!filter.apply(this, arguments)) return;\n var g = gesture(this, arguments),\n t = this.__zoom,\n k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))),\n p = mouse(this);\n\n // If the mouse is in the same location as before, reuse it.\n // If there were recent wheel events, reset the wheel idle timeout.\n if (g.wheel) {\n if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) {\n g.mouse[1] = t.invert(g.mouse[0] = p);\n }\n clearTimeout(g.wheel);\n }\n\n // If this wheel event won’t trigger a transform change, ignore it.\n else if (t.k === k) return;\n\n // Otherwise, capture the mouse point and location at the start.\n else {\n g.mouse = [p, t.invert(p)];\n interrupt(this);\n g.start();\n }\n\n noevent();\n g.wheel = setTimeout(wheelidled, wheelDelay);\n g.zoom(\"mouse\", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent));\n\n function wheelidled() {\n g.wheel = null;\n g.end();\n }\n }\n\n function mousedowned() {\n if (touchending || !filter.apply(this, arguments)) return;\n var g = gesture(this, arguments, true),\n v = select(event.view).on(\"mousemove.zoom\", mousemoved, true).on(\"mouseup.zoom\", mouseupped, true),\n p = mouse(this),\n x0 = event.clientX,\n y0 = event.clientY;\n\n dragDisable(event.view);\n nopropagation();\n g.mouse = [p, this.__zoom.invert(p)];\n interrupt(this);\n g.start();\n\n function mousemoved() {\n noevent();\n if (!g.moved) {\n var dx = event.clientX - x0, dy = event.clientY - y0;\n g.moved = dx * dx + dy * dy > clickDistance2;\n }\n g.zoom(\"mouse\", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent, translateExtent));\n }\n\n function mouseupped() {\n v.on(\"mousemove.zoom mouseup.zoom\", null);\n dragEnable(event.view, g.moved);\n noevent();\n g.end();\n }\n }\n\n function dblclicked() {\n if (!filter.apply(this, arguments)) return;\n var t0 = this.__zoom,\n p0 = mouse(this),\n p1 = t0.invert(p0),\n k1 = t0.k * (event.shiftKey ? 0.5 : 2),\n t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments), translateExtent);\n\n noevent();\n if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0);\n else select(this).call(zoom.transform, t1);\n }\n\n function touchstarted() {\n if (!filter.apply(this, arguments)) return;\n var touches = event.touches,\n n = touches.length,\n g = gesture(this, arguments, event.changedTouches.length === n),\n started, i, t, p;\n\n nopropagation();\n for (i = 0; i < n; ++i) {\n t = touches[i], p = touch(this, touches, t.identifier);\n p = [p, this.__zoom.invert(p), t.identifier];\n if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting;\n else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0;\n }\n\n if (touchstarting) touchstarting = clearTimeout(touchstarting);\n\n if (started) {\n if (g.taps < 2) touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay);\n interrupt(this);\n g.start();\n }\n }\n\n function touchmoved() {\n if (!this.__zooming) return;\n var g = gesture(this, arguments),\n touches = event.changedTouches,\n n = touches.length, i, t, p, l;\n\n noevent();\n if (touchstarting) touchstarting = clearTimeout(touchstarting);\n g.taps = 0;\n for (i = 0; i < n; ++i) {\n t = touches[i], p = touch(this, touches, t.identifier);\n if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p;\n else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p;\n }\n t = g.that.__zoom;\n if (g.touch1) {\n var p0 = g.touch0[0], l0 = g.touch0[1],\n p1 = g.touch1[0], l1 = g.touch1[1],\n dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp,\n dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl;\n t = scale(t, Math.sqrt(dp / dl));\n p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2];\n l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];\n }\n else if (g.touch0) p = g.touch0[0], l = g.touch0[1];\n else return;\n g.zoom(\"touch\", constrain(translate(t, p, l), g.extent, translateExtent));\n }\n\n function touchended() {\n if (!this.__zooming) return;\n var g = gesture(this, arguments),\n touches = event.changedTouches,\n n = touches.length, i, t;\n\n nopropagation();\n if (touchending) clearTimeout(touchending);\n touchending = setTimeout(function() { touchending = null; }, touchDelay);\n for (i = 0; i < n; ++i) {\n t = touches[i];\n if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0;\n else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1;\n }\n if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1;\n if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]);\n else {\n g.end();\n // If this was a dbltap, reroute to the (optional) dblclick.zoom handler.\n if (g.taps === 2) {\n var p = select(this).on(\"dblclick.zoom\");\n if (p) p.apply(this, arguments);\n }\n }\n }\n\n zoom.wheelDelta = function(_) {\n return arguments.length ? (wheelDelta = typeof _ === \"function\" ? _ : constant(+_), zoom) : wheelDelta;\n };\n\n zoom.filter = function(_) {\n return arguments.length ? (filter = typeof _ === \"function\" ? _ : constant(!!_), zoom) : filter;\n };\n\n zoom.touchable = function(_) {\n return arguments.length ? (touchable = typeof _ === \"function\" ? _ : constant(!!_), zoom) : touchable;\n };\n\n zoom.extent = function(_) {\n return arguments.length ? (extent = typeof _ === \"function\" ? _ : constant([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent;\n };\n\n zoom.scaleExtent = function(_) {\n return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]];\n };\n\n zoom.translateExtent = function(_) {\n return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]];\n };\n\n zoom.constrain = function(_) {\n return arguments.length ? (constrain = _, zoom) : constrain;\n };\n\n zoom.duration = function(_) {\n return arguments.length ? (duration = +_, zoom) : duration;\n };\n\n zoom.interpolate = function(_) {\n return arguments.length ? (interpolate = _, zoom) : interpolate;\n };\n\n zoom.on = function() {\n var value = listeners.on.apply(listeners, arguments);\n return value === listeners ? zoom : value;\n };\n\n zoom.clickDistance = function(_) {\n return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2);\n };\n\n return zoom;\n}\n","export var name = \"d3\";\nexport var version = \"5.16.0\";\nexport var description = \"Data-Driven Documents\";\nexport var keywords = [\"dom\",\"visualization\",\"svg\",\"animation\",\"canvas\"];\nexport var homepage = \"https://d3js.org\";\nexport var license = \"BSD-3-Clause\";\nexport var author = {\"name\":\"Mike Bostock\",\"url\":\"https://bost.ocks.org/mike\"};\nexport var main = \"dist/d3.node.js\";\nexport var unpkg = \"dist/d3.min.js\";\nexport var jsdelivr = \"dist/d3.min.js\";\nexport var module = \"index.js\";\nexport var repository = {\"type\":\"git\",\"url\":\"https://github.com/d3/d3.git\"};\nexport var files = [\"dist/**/*.js\",\"index.js\"];\nexport var scripts = {\"pretest\":\"rimraf dist && mkdir dist && json2module package.json > dist/package.js && rollup -c\",\"test\":\"tape 'test/**/*-test.js'\",\"prepublishOnly\":\"yarn test\",\"postpublish\":\"git push && git push --tags && cd ../d3.github.com && git pull && cp ../d3/dist/d3.js d3.v5.js && cp ../d3/dist/d3.min.js d3.v5.min.js && git add d3.v5.js d3.v5.min.js && git commit -m \\\"d3 ${npm_package_version}\\\" && git push && cd - && cd ../d3-bower && git pull && cp ../d3/LICENSE ../d3/README.md ../d3/dist/d3.js ../d3/dist/d3.min.js . && git add -- LICENSE README.md d3.js d3.min.js && git commit -m \\\"${npm_package_version}\\\" && git tag -am \\\"${npm_package_version}\\\" v${npm_package_version} && git push && git push --tags && cd - && zip -j dist/d3.zip -- LICENSE README.md API.md CHANGES.md dist/d3.js dist/d3.min.js\"};\nexport var devDependencies = {\"json2module\":\"0.0\",\"rimraf\":\"2\",\"rollup\":\"1\",\"rollup-plugin-ascii\":\"0.0\",\"rollup-plugin-node-resolve\":\"3\",\"rollup-plugin-terser\":\"5\",\"tape\":\"4\"};\nexport var dependencies = {\"d3-array\":\"1\",\"d3-axis\":\"1\",\"d3-brush\":\"1\",\"d3-chord\":\"1\",\"d3-collection\":\"1\",\"d3-color\":\"1\",\"d3-contour\":\"1\",\"d3-dispatch\":\"1\",\"d3-drag\":\"1\",\"d3-dsv\":\"1\",\"d3-ease\":\"1\",\"d3-fetch\":\"1\",\"d3-force\":\"1\",\"d3-format\":\"1\",\"d3-geo\":\"1\",\"d3-hierarchy\":\"1\",\"d3-interpolate\":\"1\",\"d3-path\":\"1\",\"d3-polygon\":\"1\",\"d3-quadtree\":\"1\",\"d3-random\":\"1\",\"d3-scale\":\"2\",\"d3-scale-chromatic\":\"1\",\"d3-selection\":\"1\",\"d3-shape\":\"1\",\"d3-time\":\"1\",\"d3-time-format\":\"2\",\"d3-timer\":\"1\",\"d3-transition\":\"1\",\"d3-voronoi\":\"1\",\"d3-zoom\":\"1\"};\n","import {pair} from \"./pairs\";\n\nexport default function(values0, values1, reduce) {\n var n0 = values0.length,\n n1 = values1.length,\n values = new Array(n0 * n1),\n i0,\n i1,\n i,\n value0;\n\n if (reduce == null) reduce = pair;\n\n for (i0 = i = 0; i0 < n0; ++i0) {\n for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) {\n values[i] = reduce(value0, values1[i1]);\n }\n }\n\n return values;\n}\n","export default function(a, b) {\n return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;\n}\n","import {slice} from \"./array\";\nimport bisect from \"./bisect\";\nimport constant from \"./constant\";\nimport extent from \"./extent\";\nimport identity from \"./identity\";\nimport range from \"./range\";\nimport {tickStep} from \"./ticks\";\nimport sturges from \"./threshold/sturges\";\n\nexport default function() {\n var value = identity,\n domain = extent,\n threshold = sturges;\n\n function histogram(data) {\n var i,\n n = data.length,\n x,\n values = new Array(n);\n\n for (i = 0; i < n; ++i) {\n values[i] = value(data[i], i, data);\n }\n\n var xz = domain(values),\n x0 = xz[0],\n x1 = xz[1],\n tz = threshold(values, x0, x1);\n\n // Convert number of thresholds into uniform thresholds.\n if (!Array.isArray(tz)) {\n tz = tickStep(x0, x1, tz);\n tz = range(Math.ceil(x0 / tz) * tz, x1, tz); // exclusive\n }\n\n // Remove any thresholds outside the domain.\n var m = tz.length;\n while (tz[0] <= x0) tz.shift(), --m;\n while (tz[m - 1] > x1) tz.pop(), --m;\n\n var bins = new Array(m + 1),\n bin;\n\n // Initialize bins.\n for (i = 0; i <= m; ++i) {\n bin = bins[i] = [];\n bin.x0 = i > 0 ? tz[i - 1] : x0;\n bin.x1 = i < m ? tz[i] : x1;\n }\n\n // Assign data to bins by value, ignoring any outside the domain.\n for (i = 0; i < n; ++i) {\n x = values[i];\n if (x0 <= x && x <= x1) {\n bins[bisect(tz, x, 0, m)].push(data[i]);\n }\n }\n\n return bins;\n }\n\n histogram.value = function(_) {\n return arguments.length ? (value = typeof _ === \"function\" ? _ : constant(_), histogram) : value;\n };\n\n histogram.domain = function(_) {\n return arguments.length ? (domain = typeof _ === \"function\" ? _ : constant([_[0], _[1]]), histogram) : domain;\n };\n\n histogram.thresholds = function(_) {\n return arguments.length ? (threshold = typeof _ === \"function\" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold;\n };\n\n return histogram;\n}\n","import {map} from \"../array\";\nimport ascending from \"../ascending\";\nimport number from \"../number\";\nimport quantile from \"../quantile\";\n\nexport default function(values, min, max) {\n values = map.call(values, number).sort(ascending);\n return Math.ceil((max - min) / (2 * (quantile(values, 0.75) - quantile(values, 0.25)) * Math.pow(values.length, -1 / 3)));\n}\n","import deviation from \"../deviation\";\n\nexport default function(values, min, max) {\n return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3)));\n}\n","import number from \"./number\";\n\nexport default function(values, valueof) {\n var n = values.length,\n m = n,\n i = -1,\n value,\n sum = 0;\n\n if (valueof == null) {\n while (++i < n) {\n if (!isNaN(value = number(values[i]))) sum += value;\n else --m;\n }\n }\n\n else {\n while (++i < n) {\n if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value;\n else --m;\n }\n }\n\n if (m) return sum / m;\n}\n","import ascending from \"./ascending\";\nimport number from \"./number\";\nimport quantile from \"./quantile\";\n\nexport default function(values, valueof) {\n var n = values.length,\n i = -1,\n value,\n numbers = [];\n\n if (valueof == null) {\n while (++i < n) {\n if (!isNaN(value = number(values[i]))) {\n numbers.push(value);\n }\n }\n }\n\n else {\n while (++i < n) {\n if (!isNaN(value = number(valueof(values[i], i, values)))) {\n numbers.push(value);\n }\n }\n }\n\n return quantile(numbers.sort(ascending), 0.5);\n}\n","export default function(array, indexes) {\n var i = indexes.length, permutes = new Array(i);\n while (i--) permutes[i] = array[indexes[i]];\n return permutes;\n}\n","import ascending from \"./ascending\";\n\nexport default function(values, compare) {\n if (!(n = values.length)) return;\n var n,\n i = 0,\n j = 0,\n xi,\n xj = values[j];\n\n if (compare == null) compare = ascending;\n\n while (++i < n) {\n if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) {\n xj = xi, j = i;\n }\n }\n\n if (compare(xj, xj) === 0) return j;\n}\n","export default function(array, i0, i1) {\n var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0),\n t,\n i;\n\n while (m) {\n i = Math.random() * m-- | 0;\n t = array[m + i0];\n array[m + i0] = array[i + i0];\n array[i + i0] = t;\n }\n\n return array;\n}\n","export default function(values, valueof) {\n var n = values.length,\n i = -1,\n value,\n sum = 0;\n\n if (valueof == null) {\n while (++i < n) {\n if (value = +values[i]) sum += value; // Note: zero and null are equivalent.\n }\n }\n\n else {\n while (++i < n) {\n if (value = +valueof(values[i], i, values)) sum += value;\n }\n }\n\n return sum;\n}\n","import transpose from \"./transpose\";\n\nexport default function() {\n return transpose(arguments);\n}\n","import {range} from \"d3-array\";\nimport {max, tau} from \"./math\";\n\nfunction compareValue(compare) {\n return function(a, b) {\n return compare(\n a.source.value + a.target.value,\n b.source.value + b.target.value\n );\n };\n}\n\nexport default function() {\n var padAngle = 0,\n sortGroups = null,\n sortSubgroups = null,\n sortChords = null;\n\n function chord(matrix) {\n var n = matrix.length,\n groupSums = [],\n groupIndex = range(n),\n subgroupIndex = [],\n chords = [],\n groups = chords.groups = new Array(n),\n subgroups = new Array(n * n),\n k,\n x,\n x0,\n dx,\n i,\n j;\n\n // Compute the sum.\n k = 0, i = -1; while (++i < n) {\n x = 0, j = -1; while (++j < n) {\n x += matrix[i][j];\n }\n groupSums.push(x);\n subgroupIndex.push(range(n));\n k += x;\n }\n\n // Sort groups…\n if (sortGroups) groupIndex.sort(function(a, b) {\n return sortGroups(groupSums[a], groupSums[b]);\n });\n\n // Sort subgroups…\n if (sortSubgroups) subgroupIndex.forEach(function(d, i) {\n d.sort(function(a, b) {\n return sortSubgroups(matrix[i][a], matrix[i][b]);\n });\n });\n\n // Convert the sum to scaling factor for [0, 2pi].\n // TODO Allow start and end angle to be specified?\n // TODO Allow padding to be specified as percentage?\n k = max(0, tau - padAngle * n) / k;\n dx = k ? padAngle : tau / n;\n\n // Compute the start and end angle for each group and subgroup.\n // Note: Opera has a bug reordering object literal properties!\n x = 0, i = -1; while (++i < n) {\n x0 = x, j = -1; while (++j < n) {\n var di = groupIndex[i],\n dj = subgroupIndex[di][j],\n v = matrix[di][dj],\n a0 = x,\n a1 = x += v * k;\n subgroups[dj * n + di] = {\n index: di,\n subindex: dj,\n startAngle: a0,\n endAngle: a1,\n value: v\n };\n }\n groups[di] = {\n index: di,\n startAngle: x0,\n endAngle: x,\n value: groupSums[di]\n };\n x += dx;\n }\n\n // Generate chords for each (non-empty) subgroup-subgroup link.\n i = -1; while (++i < n) {\n j = i - 1; while (++j < n) {\n var source = subgroups[j * n + i],\n target = subgroups[i * n + j];\n if (source.value || target.value) {\n chords.push(source.value < target.value\n ? {source: target, target: source}\n : {source: source, target: target});\n }\n }\n }\n\n return sortChords ? chords.sort(sortChords) : chords;\n }\n\n chord.padAngle = function(_) {\n return arguments.length ? (padAngle = max(0, _), chord) : padAngle;\n };\n\n chord.sortGroups = function(_) {\n return arguments.length ? (sortGroups = _, chord) : sortGroups;\n };\n\n chord.sortSubgroups = function(_) {\n return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups;\n };\n\n chord.sortChords = function(_) {\n return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._;\n };\n\n return chord;\n}\n","export default function(map) {\n var keys = [];\n for (var key in map) keys.push(key);\n return keys;\n}\n","export default function(map) {\n var values = [];\n for (var key in map) values.push(map[key]);\n return values;\n}\n","export default function(map) {\n var entries = [];\n for (var key in map) entries.push({key: key, value: map[key]});\n return entries;\n}\n","export function linear(t) {\n return +t;\n}\n","export default function(input, init) {\n return new Promise(function(resolve, reject) {\n var image = new Image;\n for (var key in init) image[key] = init[key];\n image.onerror = reject;\n image.onload = function() { resolve(image); };\n image.src = input;\n });\n}\n","export default function(x, y) {\n var nodes;\n\n if (x == null) x = 0;\n if (y == null) y = 0;\n\n function force() {\n var i,\n n = nodes.length,\n node,\n sx = 0,\n sy = 0;\n\n for (i = 0; i < n; ++i) {\n node = nodes[i], sx += node.x, sy += node.y;\n }\n\n for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) {\n node = nodes[i], node.x -= sx, node.y -= sy;\n }\n }\n\n force.initialize = function(_) {\n nodes = _;\n };\n\n force.x = function(_) {\n return arguments.length ? (x = +_, force) : x;\n };\n\n force.y = function(_) {\n return arguments.length ? (y = +_, force) : y;\n };\n\n return force;\n}\n","import constant from \"./constant\";\nimport jiggle from \"./jiggle\";\nimport {quadtree} from \"d3-quadtree\";\nimport {x, y} from \"./simulation\";\n\nexport default function() {\n var nodes,\n node,\n alpha,\n strength = constant(-30),\n strengths,\n distanceMin2 = 1,\n distanceMax2 = Infinity,\n theta2 = 0.81;\n\n function force(_) {\n var i, n = nodes.length, tree = quadtree(nodes, x, y).visitAfter(accumulate);\n for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply);\n }\n\n function initialize() {\n if (!nodes) return;\n var i, n = nodes.length, node;\n strengths = new Array(n);\n for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes);\n }\n\n function accumulate(quad) {\n var strength = 0, q, c, weight = 0, x, y, i;\n\n // For internal nodes, accumulate forces from child quadrants.\n if (quad.length) {\n for (x = y = i = 0; i < 4; ++i) {\n if ((q = quad[i]) && (c = Math.abs(q.value))) {\n strength += q.value, weight += c, x += c * q.x, y += c * q.y;\n }\n }\n quad.x = x / weight;\n quad.y = y / weight;\n }\n\n // For leaf nodes, accumulate forces from coincident quadrants.\n else {\n q = quad;\n q.x = q.data.x;\n q.y = q.data.y;\n do strength += strengths[q.data.index];\n while (q = q.next);\n }\n\n quad.value = strength;\n }\n\n function apply(quad, x1, _, x2) {\n if (!quad.value) return true;\n\n var x = quad.x - node.x,\n y = quad.y - node.y,\n w = x2 - x1,\n l = x * x + y * y;\n\n // Apply the Barnes-Hut approximation if possible.\n // Limit forces for very close nodes; randomize direction if coincident.\n if (w * w / theta2 < l) {\n if (l < distanceMax2) {\n if (x === 0) x = jiggle(), l += x * x;\n if (y === 0) y = jiggle(), l += y * y;\n if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l);\n node.vx += x * quad.value * alpha / l;\n node.vy += y * quad.value * alpha / l;\n }\n return true;\n }\n\n // Otherwise, process points directly.\n else if (quad.length || l >= distanceMax2) return;\n\n // Limit forces for very close nodes; randomize direction if coincident.\n if (quad.data !== node || quad.next) {\n if (x === 0) x = jiggle(), l += x * x;\n if (y === 0) y = jiggle(), l += y * y;\n if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l);\n }\n\n do if (quad.data !== node) {\n w = strengths[quad.data.index] * alpha / l;\n node.vx += x * w;\n node.vy += y * w;\n } while (quad = quad.next);\n }\n\n force.initialize = function(_) {\n nodes = _;\n initialize();\n };\n\n force.strength = function(_) {\n return arguments.length ? (strength = typeof _ === \"function\" ? _ : constant(+_), initialize(), force) : strength;\n };\n\n force.distanceMin = function(_) {\n return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2);\n };\n\n force.distanceMax = function(_) {\n return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2);\n };\n\n force.theta = function(_) {\n return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2);\n };\n\n return force;\n}\n","import constant from \"./constant\";\n\nexport default function(radius, x, y) {\n var nodes,\n strength = constant(0.1),\n strengths,\n radiuses;\n\n if (typeof radius !== \"function\") radius = constant(+radius);\n if (x == null) x = 0;\n if (y == null) y = 0;\n\n function force(alpha) {\n for (var i = 0, n = nodes.length; i < n; ++i) {\n var node = nodes[i],\n dx = node.x - x || 1e-6,\n dy = node.y - y || 1e-6,\n r = Math.sqrt(dx * dx + dy * dy),\n k = (radiuses[i] - r) * strengths[i] * alpha / r;\n node.vx += dx * k;\n node.vy += dy * k;\n }\n }\n\n function initialize() {\n if (!nodes) return;\n var i, n = nodes.length;\n strengths = new Array(n);\n radiuses = new Array(n);\n for (i = 0; i < n; ++i) {\n radiuses[i] = +radius(nodes[i], i, nodes);\n strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes);\n }\n }\n\n force.initialize = function(_) {\n nodes = _, initialize();\n };\n\n force.strength = function(_) {\n return arguments.length ? (strength = typeof _ === \"function\" ? _ : constant(+_), initialize(), force) : strength;\n };\n\n force.radius = function(_) {\n return arguments.length ? (radius = typeof _ === \"function\" ? _ : constant(+_), initialize(), force) : radius;\n };\n\n force.x = function(_) {\n return arguments.length ? (x = +_, force) : x;\n };\n\n force.y = function(_) {\n return arguments.length ? (y = +_, force) : y;\n };\n\n return force;\n}\n","import constant from \"./constant\";\n\nexport default function(x) {\n var strength = constant(0.1),\n nodes,\n strengths,\n xz;\n\n if (typeof x !== \"function\") x = constant(x == null ? 0 : +x);\n\n function force(alpha) {\n for (var i = 0, n = nodes.length, node; i < n; ++i) {\n node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha;\n }\n }\n\n function initialize() {\n if (!nodes) return;\n var i, n = nodes.length;\n strengths = new Array(n);\n xz = new Array(n);\n for (i = 0; i < n; ++i) {\n strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes);\n }\n }\n\n force.initialize = function(_) {\n nodes = _;\n initialize();\n };\n\n force.strength = function(_) {\n return arguments.length ? (strength = typeof _ === \"function\" ? _ : constant(+_), initialize(), force) : strength;\n };\n\n force.x = function(_) {\n return arguments.length ? (x = typeof _ === \"function\" ? _ : constant(+_), initialize(), force) : x;\n };\n\n return force;\n}\n","import constant from \"./constant\";\n\nexport default function(y) {\n var strength = constant(0.1),\n nodes,\n strengths,\n yz;\n\n if (typeof y !== \"function\") y = constant(y == null ? 0 : +y);\n\n function force(alpha) {\n for (var i = 0, n = nodes.length, node; i < n; ++i) {\n node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha;\n }\n }\n\n function initialize() {\n if (!nodes) return;\n var i, n = nodes.length;\n strengths = new Array(n);\n yz = new Array(n);\n for (i = 0; i < n; ++i) {\n strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes);\n }\n }\n\n force.initialize = function(_) {\n nodes = _;\n initialize();\n };\n\n force.strength = function(_) {\n return arguments.length ? (strength = typeof _ === \"function\" ? _ : constant(+_), initialize(), force) : strength;\n };\n\n force.y = function(_) {\n return arguments.length ? (y = typeof _ === \"function\" ? _ : constant(+_), initialize(), force) : y;\n };\n\n return force;\n}\n","import {asin, atan2, cos, degrees, haversin, radians, sin, sqrt} from \"./math\";\n\nexport default function(a, b) {\n var x0 = a[0] * radians,\n y0 = a[1] * radians,\n x1 = b[0] * radians,\n y1 = b[1] * radians,\n cy0 = cos(y0),\n sy0 = sin(y0),\n cy1 = cos(y1),\n sy1 = sin(y1),\n kx0 = cy0 * cos(x0),\n ky0 = cy0 * sin(x0),\n kx1 = cy1 * cos(x1),\n ky1 = cy1 * sin(x1),\n d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))),\n k = sin(d);\n\n var interpolate = d ? function(t) {\n var B = sin(t *= d) / k,\n A = sin(d - t) / k,\n x = A * kx0 + B * kx1,\n y = A * ky0 + B * ky1,\n z = A * sy0 + B * sy1;\n return [\n atan2(y, x) * degrees,\n atan2(z, sqrt(x * x + y * y)) * degrees\n ];\n } : function() {\n return [x0 * degrees, y0 * degrees];\n };\n\n interpolate.distance = d;\n\n return interpolate;\n}\n","import identity from \"../identity\";\nimport stream from \"../stream\";\nimport pathArea from \"./area\";\nimport pathBounds from \"./bounds\";\nimport pathCentroid from \"./centroid\";\nimport PathContext from \"./context\";\nimport pathMeasure from \"./measure\";\nimport PathString from \"./string\";\n\nexport default function(projection, context) {\n var pointRadius = 4.5,\n projectionStream,\n contextStream;\n\n function path(object) {\n if (object) {\n if (typeof pointRadius === \"function\") contextStream.pointRadius(+pointRadius.apply(this, arguments));\n stream(object, projectionStream(contextStream));\n }\n return contextStream.result();\n }\n\n path.area = function(object) {\n stream(object, projectionStream(pathArea));\n return pathArea.result();\n };\n\n path.measure = function(object) {\n stream(object, projectionStream(pathMeasure));\n return pathMeasure.result();\n };\n\n path.bounds = function(object) {\n stream(object, projectionStream(pathBounds));\n return pathBounds.result();\n };\n\n path.centroid = function(object) {\n stream(object, projectionStream(pathCentroid));\n return pathCentroid.result();\n };\n\n path.projection = function(_) {\n return arguments.length ? (projectionStream = _ == null ? (projection = null, identity) : (projection = _).stream, path) : projection;\n };\n\n path.context = function(_) {\n if (!arguments.length) return context;\n contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _);\n if (typeof pointRadius !== \"function\") contextStream.pointRadius(pointRadius);\n return path;\n };\n\n path.pointRadius = function(_) {\n if (!arguments.length) return pointRadius;\n pointRadius = typeof _ === \"function\" ? _ : (contextStream.pointRadius(+_), +_);\n return path;\n };\n\n return path.projection(projection).context(context);\n}\n","import {epsilon} from \"../math\";\nimport albers from \"./albers\";\nimport conicEqualArea from \"./conicEqualArea\";\nimport {fitExtent, fitSize} from \"./fit\";\n\n// The projections must have mutually exclusive clip regions on the sphere,\n// as this will avoid emitting interleaving lines and polygons.\nfunction multiplex(streams) {\n var n = streams.length;\n return {\n point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); },\n sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); },\n lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); },\n lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); },\n polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); },\n polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); }\n };\n}\n\n// A composite projection for the United States, configured by default for\n// 960×500. The projection also works quite well at 960×600 if you change the\n// scale to 1285 and adjust the translate accordingly. The set of standard\n// parallels for each region comes from USGS, which is published here:\n// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers\nexport default function() {\n var cache,\n cacheStream,\n lower48 = albers(), lower48Point,\n alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338\n hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007\n point, pointStream = {point: function(x, y) { point = [x, y]; }};\n\n function albersUsa(coordinates) {\n var x = coordinates[0], y = coordinates[1];\n return point = null,\n (lower48Point.point(x, y), point)\n || (alaskaPoint.point(x, y), point)\n || (hawaiiPoint.point(x, y), point);\n }\n\n albersUsa.invert = function(coordinates) {\n var k = lower48.scale(),\n t = lower48.translate(),\n x = (coordinates[0] - t[0]) / k,\n y = (coordinates[1] - t[1]) / k;\n return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska\n : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii\n : lower48).invert(coordinates);\n };\n\n albersUsa.stream = function(stream) {\n return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]);\n };\n\n albersUsa.precision = function(_) {\n if (!arguments.length) return lower48.precision();\n lower48.precision(_), alaska.precision(_), hawaii.precision(_);\n return reset();\n };\n\n albersUsa.scale = function(_) {\n if (!arguments.length) return lower48.scale();\n lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_);\n return albersUsa.translate(lower48.translate());\n };\n\n albersUsa.translate = function(_) {\n if (!arguments.length) return lower48.translate();\n var k = lower48.scale(), x = +_[0], y = +_[1];\n\n lower48Point = lower48\n .translate(_)\n .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]])\n .stream(pointStream);\n\n alaskaPoint = alaska\n .translate([x - 0.307 * k, y + 0.201 * k])\n .clipExtent([[x - 0.425 * k + epsilon, y + 0.120 * k + epsilon], [x - 0.214 * k - epsilon, y + 0.234 * k - epsilon]])\n .stream(pointStream);\n\n hawaiiPoint = hawaii\n .translate([x - 0.205 * k, y + 0.212 * k])\n .clipExtent([[x - 0.214 * k + epsilon, y + 0.166 * k + epsilon], [x - 0.115 * k - epsilon, y + 0.234 * k - epsilon]])\n .stream(pointStream);\n\n return reset();\n };\n\n albersUsa.fitExtent = function(extent, object) {\n return fitExtent(albersUsa, extent, object);\n };\n\n albersUsa.fitSize = function(size, object) {\n return fitSize(albersUsa, size, object);\n };\n\n function reset() {\n cache = cacheStream = null;\n return albersUsa;\n }\n\n return albersUsa.scale(1070);\n}\n","import roundNode from \"./treemap/round.js\";\nimport treemapDice from \"./treemap/dice.js\";\n\nexport default function() {\n var dx = 1,\n dy = 1,\n padding = 0,\n round = false;\n\n function partition(root) {\n var n = root.height + 1;\n root.x0 =\n root.y0 = padding;\n root.x1 = dx;\n root.y1 = dy / n;\n root.eachBefore(positionNode(dy, n));\n if (round) root.eachBefore(roundNode);\n return root;\n }\n\n function positionNode(dy, n) {\n return function(node) {\n if (node.children) {\n treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n);\n }\n var x0 = node.x0,\n y0 = node.y0,\n x1 = node.x1 - padding,\n y1 = node.y1 - padding;\n if (x1 < x0) x0 = x1 = (x0 + x1) / 2;\n if (y1 < y0) y0 = y1 = (y0 + y1) / 2;\n node.x0 = x0;\n node.y0 = y0;\n node.x1 = x1;\n node.y1 = y1;\n };\n }\n\n partition.round = function(x) {\n return arguments.length ? (round = !!x, partition) : round;\n };\n\n partition.size = function(x) {\n return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy];\n };\n\n partition.padding = function(x) {\n return arguments.length ? (padding = +x, partition) : padding;\n };\n\n return partition;\n}\n","import roundNode from \"./round.js\";\nimport squarify from \"./squarify.js\";\nimport {required} from \"../accessors.js\";\nimport constant, {constantZero} from \"../constant.js\";\n\nexport default function() {\n var tile = squarify,\n round = false,\n dx = 1,\n dy = 1,\n paddingStack = [0],\n paddingInner = constantZero,\n paddingTop = constantZero,\n paddingRight = constantZero,\n paddingBottom = constantZero,\n paddingLeft = constantZero;\n\n function treemap(root) {\n root.x0 =\n root.y0 = 0;\n root.x1 = dx;\n root.y1 = dy;\n root.eachBefore(positionNode);\n paddingStack = [0];\n if (round) root.eachBefore(roundNode);\n return root;\n }\n\n function positionNode(node) {\n var p = paddingStack[node.depth],\n x0 = node.x0 + p,\n y0 = node.y0 + p,\n x1 = node.x1 - p,\n y1 = node.y1 - p;\n if (x1 < x0) x0 = x1 = (x0 + x1) / 2;\n if (y1 < y0) y0 = y1 = (y0 + y1) / 2;\n node.x0 = x0;\n node.y0 = y0;\n node.x1 = x1;\n node.y1 = y1;\n if (node.children) {\n p = paddingStack[node.depth + 1] = paddingInner(node) / 2;\n x0 += paddingLeft(node) - p;\n y0 += paddingTop(node) - p;\n x1 -= paddingRight(node) - p;\n y1 -= paddingBottom(node) - p;\n if (x1 < x0) x0 = x1 = (x0 + x1) / 2;\n if (y1 < y0) y0 = y1 = (y0 + y1) / 2;\n tile(node, x0, y0, x1, y1);\n }\n }\n\n treemap.round = function(x) {\n return arguments.length ? (round = !!x, treemap) : round;\n };\n\n treemap.size = function(x) {\n return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy];\n };\n\n treemap.tile = function(x) {\n return arguments.length ? (tile = required(x), treemap) : tile;\n };\n\n treemap.padding = function(x) {\n return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner();\n };\n\n treemap.paddingInner = function(x) {\n return arguments.length ? (paddingInner = typeof x === \"function\" ? x : constant(+x), treemap) : paddingInner;\n };\n\n treemap.paddingOuter = function(x) {\n return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop();\n };\n\n treemap.paddingTop = function(x) {\n return arguments.length ? (paddingTop = typeof x === \"function\" ? x : constant(+x), treemap) : paddingTop;\n };\n\n treemap.paddingRight = function(x) {\n return arguments.length ? (paddingRight = typeof x === \"function\" ? x : constant(+x), treemap) : paddingRight;\n };\n\n treemap.paddingBottom = function(x) {\n return arguments.length ? (paddingBottom = typeof x === \"function\" ? x : constant(+x), treemap) : paddingBottom;\n };\n\n treemap.paddingLeft = function(x) {\n return arguments.length ? (paddingLeft = typeof x === \"function\" ? x : constant(+x), treemap) : paddingLeft;\n };\n\n return treemap;\n}\n","export default function(parent, x0, y0, x1, y1) {\n var nodes = parent.children,\n i, n = nodes.length,\n sum, sums = new Array(n + 1);\n\n for (sums[0] = sum = i = 0; i < n; ++i) {\n sums[i + 1] = sum += nodes[i].value;\n }\n\n partition(0, n, parent.value, x0, y0, x1, y1);\n\n function partition(i, j, value, x0, y0, x1, y1) {\n if (i >= j - 1) {\n var node = nodes[i];\n node.x0 = x0, node.y0 = y0;\n node.x1 = x1, node.y1 = y1;\n return;\n }\n\n var valueOffset = sums[i],\n valueTarget = (value / 2) + valueOffset,\n k = i + 1,\n hi = j - 1;\n\n while (k < hi) {\n var mid = k + hi >>> 1;\n if (sums[mid] < valueTarget) k = mid + 1;\n else hi = mid;\n }\n\n if ((valueTarget - sums[k - 1]) < (sums[k] - valueTarget) && i + 1 < k) --k;\n\n var valueLeft = sums[k] - valueOffset,\n valueRight = value - valueLeft;\n\n if ((x1 - x0) > (y1 - y0)) {\n var xk = (x0 * valueRight + x1 * valueLeft) / value;\n partition(i, k, valueLeft, x0, y0, xk, y1);\n partition(k, j, valueRight, xk, y0, x1, y1);\n } else {\n var yk = (y0 * valueRight + y1 * valueLeft) / value;\n partition(i, k, valueLeft, x0, y0, x1, yk);\n partition(k, j, valueRight, x0, yk, x1, y1);\n }\n }\n}\n","import dice from \"./dice.js\";\nimport slice from \"./slice.js\";\n\nexport default function(parent, x0, y0, x1, y1) {\n (parent.depth & 1 ? slice : dice)(parent, x0, y0, x1, y1);\n}\n","export default function(range) {\n var n = range.length;\n return function(t) {\n return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))];\n };\n}\n","import {hue} from \"./color.js\";\n\nexport default function(a, b) {\n var i = hue(+a, +b);\n return function(t) {\n var x = i(t);\n return x - 360 * Math.floor(x / 360);\n };\n}\n","import {lab as colorLab} from \"d3-color\";\nimport color from \"./color.js\";\n\nexport default function lab(start, end) {\n var l = color((start = colorLab(start)).l, (end = colorLab(end)).l),\n a = color(start.a, end.a),\n b = color(start.b, end.b),\n opacity = color(start.opacity, end.opacity);\n return function(t) {\n start.l = l(t);\n start.a = a(t);\n start.b = b(t);\n start.opacity = opacity(t);\n return start + \"\";\n };\n}\n","export default function piecewise(interpolate, values) {\n var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n);\n while (i < n) I[i] = interpolate(v, v = values[++i]);\n return function(t) {\n var i = Math.max(0, Math.min(n - 1, Math.floor(t *= n)));\n return I[i](t - i);\n };\n}\n","export default function(interpolator, n) {\n var samples = new Array(n);\n for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1));\n return samples;\n}\n","export default function(polygon) {\n var i = -1,\n n = polygon.length,\n a,\n b = polygon[n - 1],\n area = 0;\n\n while (++i < n) {\n a = b;\n b = polygon[i];\n area += a[1] * b[0] - a[0] * b[1];\n }\n\n return area / 2;\n}\n","export default function(polygon) {\n var i = -1,\n n = polygon.length,\n x = 0,\n y = 0,\n a,\n b = polygon[n - 1],\n c,\n k = 0;\n\n while (++i < n) {\n a = b;\n b = polygon[i];\n k += c = a[0] * b[1] - b[0] * a[1];\n x += (a[0] + b[0]) * c;\n y += (a[1] + b[1]) * c;\n }\n\n return k *= 3, [x / k, y / k];\n}\n","export default function(polygon, point) {\n var n = polygon.length,\n p = polygon[n - 1],\n x = point[0], y = point[1],\n x0 = p[0], y0 = p[1],\n x1, y1,\n inside = false;\n\n for (var i = 0; i < n; ++i) {\n p = polygon[i], x1 = p[0], y1 = p[1];\n if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside;\n x0 = x1, y0 = y1;\n }\n\n return inside;\n}\n","export default function(polygon) {\n var i = -1,\n n = polygon.length,\n b = polygon[n - 1],\n xa,\n ya,\n xb = b[0],\n yb = b[1],\n perimeter = 0;\n\n while (++i < n) {\n xa = xb;\n ya = yb;\n b = polygon[i];\n xb = b[0];\n yb = b[1];\n xa -= xb;\n ya -= yb;\n perimeter += Math.sqrt(xa * xa + ya * ya);\n }\n\n return perimeter;\n}\n","import {map} from \"./array\";\nimport {linearish} from \"./linear\";\nimport number from \"./number\";\n\nexport default function identity(domain) {\n var unknown;\n\n function scale(x) {\n return isNaN(x = +x) ? unknown : x;\n }\n\n scale.invert = scale;\n\n scale.domain = scale.range = function(_) {\n return arguments.length ? (domain = map.call(_, number), scale) : domain.slice();\n };\n\n scale.unknown = function(_) {\n return arguments.length ? (unknown = _, scale) : unknown;\n };\n\n scale.copy = function() {\n return identity(domain).unknown(unknown);\n };\n\n domain = arguments.length ? map.call(domain, number) : [0, 1];\n\n return linearish(scale);\n}\n","import {ascending, bisect, quantile as threshold} from \"d3-array\";\nimport {slice} from \"./array\";\nimport {initRange} from \"./init\";\n\nexport default function quantile() {\n var domain = [],\n range = [],\n thresholds = [],\n unknown;\n\n function rescale() {\n var i = 0, n = Math.max(1, range.length);\n thresholds = new Array(n - 1);\n while (++i < n) thresholds[i - 1] = threshold(domain, i / n);\n return scale;\n }\n\n function scale(x) {\n return isNaN(x = +x) ? unknown : range[bisect(thresholds, x)];\n }\n\n scale.invertExtent = function(y) {\n var i = range.indexOf(y);\n return i < 0 ? [NaN, NaN] : [\n i > 0 ? thresholds[i - 1] : domain[0],\n i < thresholds.length ? thresholds[i] : domain[domain.length - 1]\n ];\n };\n\n scale.domain = function(_) {\n if (!arguments.length) return domain.slice();\n domain = [];\n for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d);\n domain.sort(ascending);\n return rescale();\n };\n\n scale.range = function(_) {\n return arguments.length ? (range = slice.call(_), rescale()) : range.slice();\n };\n\n scale.unknown = function(_) {\n return arguments.length ? (unknown = _, scale) : unknown;\n };\n\n scale.quantiles = function() {\n return thresholds.slice();\n };\n\n scale.copy = function() {\n return quantile()\n .domain(domain)\n .range(range)\n .unknown(unknown);\n };\n\n return initRange.apply(scale, arguments);\n}\n","import {bisect} from \"d3-array\";\nimport {slice} from \"./array\";\nimport {linearish} from \"./linear\";\nimport {initRange} from \"./init\";\n\nexport default function quantize() {\n var x0 = 0,\n x1 = 1,\n n = 1,\n domain = [0.5],\n range = [0, 1],\n unknown;\n\n function scale(x) {\n return x <= x ? range[bisect(domain, x, 0, n)] : unknown;\n }\n\n function rescale() {\n var i = -1;\n domain = new Array(n);\n while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1);\n return scale;\n }\n\n scale.domain = function(_) {\n return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1];\n };\n\n scale.range = function(_) {\n return arguments.length ? (n = (range = slice.call(_)).length - 1, rescale()) : range.slice();\n };\n\n scale.invertExtent = function(y) {\n var i = range.indexOf(y);\n return i < 0 ? [NaN, NaN]\n : i < 1 ? [x0, domain[0]]\n : i >= n ? [domain[n - 1], x1]\n : [domain[i - 1], domain[i]];\n };\n\n scale.unknown = function(_) {\n return arguments.length ? (unknown = _, scale) : scale;\n };\n\n scale.thresholds = function() {\n return domain.slice();\n };\n\n scale.copy = function() {\n return quantize()\n .domain([x0, x1])\n .range(range)\n .unknown(unknown);\n };\n\n return initRange.apply(linearish(scale), arguments);\n}\n","import {bisect} from \"d3-array\";\nimport {slice} from \"./array\";\nimport {initRange} from \"./init\";\n\nexport default function threshold() {\n var domain = [0.5],\n range = [0, 1],\n unknown,\n n = 1;\n\n function scale(x) {\n return x <= x ? range[bisect(domain, x, 0, n)] : unknown;\n }\n\n scale.domain = function(_) {\n return arguments.length ? (domain = slice.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice();\n };\n\n scale.range = function(_) {\n return arguments.length ? (range = slice.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice();\n };\n\n scale.invertExtent = function(y) {\n var i = range.indexOf(y);\n return [domain[i - 1], domain[i]];\n };\n\n scale.unknown = function(_) {\n return arguments.length ? (unknown = _, scale) : unknown;\n };\n\n scale.copy = function() {\n return threshold()\n .domain(domain)\n .range(range)\n .unknown(unknown);\n };\n\n return initRange.apply(scale, arguments);\n}\n","import {calendar} from \"./time\";\nimport {utcFormat} from \"d3-time-format\";\nimport {utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, utcSecond, utcMillisecond} from \"d3-time\";\nimport {initRange} from \"./init\";\n\nexport default function() {\n return initRange.apply(calendar(utcYear, utcMonth, utcWeek, utcDay, utcHour, utcMinute, utcSecond, utcMillisecond, utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]), arguments);\n}\n","import {ascending, bisect} from \"d3-array\";\nimport {identity} from \"./continuous\";\nimport {initInterpolator} from \"./init\";\n\nexport default function sequentialQuantile() {\n var domain = [],\n interpolator = identity;\n\n function scale(x) {\n if (!isNaN(x = +x)) return interpolator((bisect(domain, x) - 1) / (domain.length - 1));\n }\n\n scale.domain = function(_) {\n if (!arguments.length) return domain.slice();\n domain = [];\n for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d);\n domain.sort(ascending);\n return scale;\n };\n\n scale.interpolator = function(_) {\n return arguments.length ? (interpolator = _, scale) : interpolator;\n };\n\n scale.copy = function() {\n return sequentialQuantile(interpolator).domain(domain);\n };\n\n return initInterpolator.apply(scale, arguments);\n}\n","export default function(t) {\n t = Math.max(0, Math.min(1, t));\n return \"rgb(\"\n + Math.max(0, Math.min(255, Math.round(-4.54 - t * (35.34 - t * (2381.73 - t * (6402.7 - t * (7024.72 - t * 2710.57))))))) + \", \"\n + Math.max(0, Math.min(255, Math.round(32.49 + t * (170.73 + t * (52.82 - t * (131.46 - t * (176.58 - t * 67.37))))))) + \", \"\n + Math.max(0, Math.min(255, Math.round(81.24 + t * (442.36 - t * (2482.43 - t * (6167.24 - t * (6614.94 - t * 2475.67)))))))\n + \")\";\n}\n","export default function(t) {\n t = Math.max(0, Math.min(1, t));\n return \"rgb(\"\n + Math.max(0, Math.min(255, Math.round(34.61 + t * (1172.33 - t * (10793.56 - t * (33300.12 - t * (38394.49 - t * 14825.05))))))) + \", \"\n + Math.max(0, Math.min(255, Math.round(23.31 + t * (557.33 + t * (1225.33 - t * (3574.96 - t * (1073.77 + t * 707.56))))))) + \", \"\n + Math.max(0, Math.min(255, Math.round(27.2 + t * (3211.1 - t * (15327.97 - t * (27814 - t * (22569.18 - t * 6838.66)))))))\n + \")\";\n}\n","import creator from \"./creator\";\nimport select from \"./select\";\n\nexport default function(name) {\n return select(creator(name).call(document.documentElement));\n}\n","import {Selection, root} from \"./selection/index\";\n\nexport default function(selector) {\n return typeof selector === \"string\"\n ? new Selection([document.querySelectorAll(selector)], [document.documentElement])\n : new Selection([selector == null ? [] : selector], root);\n}\n","import sourceEvent from \"./sourceEvent\";\nimport point from \"./point\";\n\nexport default function(node, touches) {\n if (touches == null) touches = sourceEvent().touches;\n\n for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) {\n points[i] = point(node, touches[i]);\n }\n\n return points;\n}\n","import constant from \"./constant.js\";\nimport descending from \"./descending.js\";\nimport identity from \"./identity.js\";\nimport {tau} from \"./math.js\";\n\nexport default function() {\n var value = identity,\n sortValues = descending,\n sort = null,\n startAngle = constant(0),\n endAngle = constant(tau),\n padAngle = constant(0);\n\n function pie(data) {\n var i,\n n = data.length,\n j,\n k,\n sum = 0,\n index = new Array(n),\n arcs = new Array(n),\n a0 = +startAngle.apply(this, arguments),\n da = Math.min(tau, Math.max(-tau, endAngle.apply(this, arguments) - a0)),\n a1,\n p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)),\n pa = p * (da < 0 ? -1 : 1),\n v;\n\n for (i = 0; i < n; ++i) {\n if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) {\n sum += v;\n }\n }\n\n // Optionally sort the arcs by previously-computed values or by data.\n if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); });\n else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); });\n\n // Compute the arcs! They are stored in the original data's order.\n for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) {\n j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = {\n data: data[j],\n index: i,\n value: v,\n startAngle: a0,\n endAngle: a1,\n padAngle: p\n };\n }\n\n return arcs;\n }\n\n pie.value = function(_) {\n return arguments.length ? (value = typeof _ === \"function\" ? _ : constant(+_), pie) : value;\n };\n\n pie.sortValues = function(_) {\n return arguments.length ? (sortValues = _, sort = null, pie) : sortValues;\n };\n\n pie.sort = function(_) {\n return arguments.length ? (sort = _, sortValues = null, pie) : sort;\n };\n\n pie.startAngle = function(_) {\n return arguments.length ? (startAngle = typeof _ === \"function\" ? _ : constant(+_), pie) : startAngle;\n };\n\n pie.endAngle = function(_) {\n return arguments.length ? (endAngle = typeof _ === \"function\" ? _ : constant(+_), pie) : endAngle;\n };\n\n pie.padAngle = function(_) {\n return arguments.length ? (padAngle = typeof _ === \"function\" ? _ : constant(+_), pie) : padAngle;\n };\n\n return pie;\n}\n","import none from \"./none.js\";\n\nexport default function(series, order) {\n if (!((n = series.length) > 0)) return;\n for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) {\n for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0;\n if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y;\n }\n none(series, order);\n}\n","export default function(series, order) {\n if (!((n = series.length) > 0)) return;\n for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) {\n for (yp = yn = 0, i = 0; i < n; ++i) {\n if ((dy = (d = series[order[i]][j])[1] - d[0]) > 0) {\n d[0] = yp, d[1] = yp += dy;\n } else if (dy < 0) {\n d[1] = yn, d[0] = yn += dy;\n } else {\n d[0] = 0, d[1] = dy;\n }\n }\n }\n}\n","import none from \"./none.js\";\n\nexport default function(series, order) {\n if (!((n = series.length) > 0)) return;\n for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) {\n for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0;\n s0[j][1] += s0[j][0] = -y / 2;\n }\n none(series, order);\n}\n","import none from \"./none.js\";\n\nexport default function(series, order) {\n if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return;\n for (var y = 0, j = 1, s0, m, n; j < m; ++j) {\n for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) {\n var si = series[order[i]],\n sij0 = si[j][1] || 0,\n sij1 = si[j - 1][1] || 0,\n s3 = (sij0 - sij1) / 2;\n for (var k = 0; k < i; ++k) {\n var sk = series[order[k]],\n skj0 = sk[j][1] || 0,\n skj1 = sk[j - 1][1] || 0;\n s3 += skj0 - skj1;\n }\n s1 += sij0, s2 += s3 * sij0;\n }\n s0[j - 1][1] += s0[j - 1][0] = y;\n if (s1) y -= s2 / s1;\n }\n s0[j - 1][1] += s0[j - 1][0] = y;\n none(series, order);\n}\n","import ascending from \"./ascending.js\";\n\nexport default function(series) {\n return ascending(series).reverse();\n}\n","import appearance from \"./appearance.js\";\nimport {sum} from \"./ascending.js\";\n\nexport default function(series) {\n var n = series.length,\n i,\n j,\n sums = series.map(sum),\n order = appearance(series),\n top = 0,\n bottom = 0,\n tops = [],\n bottoms = [];\n\n for (i = 0; i < n; ++i) {\n j = order[i];\n if (top < bottom) {\n top += sums[j];\n tops.push(j);\n } else {\n bottom += sums[j];\n bottoms.push(j);\n }\n }\n\n return bottoms.reverse().concat(tops);\n}\n","import none from \"./none.js\";\n\nexport default function(series) {\n return none(series).reverse();\n}\n","import {Timer, now} from \"./timer.js\";\n\nexport default function(callback, delay, time) {\n var t = new Timer, total = delay;\n if (delay == null) return t.restart(callback, delay, time), t;\n delay = +delay, time = time == null ? now() : +time;\n t.restart(function tick(elapsed) {\n elapsed += total;\n t.restart(tick, total += delay, time);\n callback(elapsed);\n }, delay, time);\n return t;\n}\n","import constant from \"./constant\";\nimport {x as pointX, y as pointY} from \"./point\";\nimport Diagram, {epsilon} from \"./Diagram\";\n\nexport default function() {\n var x = pointX,\n y = pointY,\n extent = null;\n\n function voronoi(data) {\n return new Diagram(data.map(function(d, i) {\n var s = [Math.round(x(d, i, data) / epsilon) * epsilon, Math.round(y(d, i, data) / epsilon) * epsilon];\n s.index = i;\n s.data = d;\n return s;\n }), extent);\n }\n\n voronoi.polygons = function(data) {\n return voronoi(data).polygons();\n };\n\n voronoi.links = function(data) {\n return voronoi(data).links();\n };\n\n voronoi.triangles = function(data) {\n return voronoi(data).triangles();\n };\n\n voronoi.x = function(_) {\n return arguments.length ? (x = typeof _ === \"function\" ? _ : constant(+_), voronoi) : x;\n };\n\n voronoi.y = function(_) {\n return arguments.length ? (y = typeof _ === \"function\" ? _ : constant(+_), voronoi) : y;\n };\n\n voronoi.extent = function(_) {\n return arguments.length ? (extent = _ == null ? null : [[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]], voronoi) : extent && [[extent[0][0], extent[0][1]], [extent[1][0], extent[1][1]]];\n };\n\n voronoi.size = function(_) {\n return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]];\n };\n\n return voronoi;\n}\n","/* @license C3.js v0.7.20 | (c) C3 Team and other contributors | http://c3js.org/ */\n(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (global = global || self, global.c3 = factory());\n}(this, (function () { 'use strict';\n\n function ChartInternal(api) {\r\n var $$ = this;\r\n // Note: This part will be replaced by rollup-plugin-modify\r\n // When bundling esm output. Beware of changing this line.\r\n // TODO: Maybe we should check that the modification by rollup-plugin-modify\r\n // is valid during unit tests.\r\n $$.d3 = window.d3\r\n ? window.d3\r\n : typeof require !== 'undefined'\r\n ? require('d3')\r\n : undefined;\r\n $$.api = api;\r\n $$.config = $$.getDefaultConfig();\r\n $$.data = {};\r\n $$.cache = {};\r\n $$.axes = {};\r\n }\n\n /**\r\n * The Chart class\r\n *\r\n * The methods of this class is the public APIs of the chart object.\r\n */\r\n function Chart(config) {\r\n this.internal = new ChartInternal(this);\r\n this.internal.loadConfig(config);\r\n this.internal.beforeInit(config);\r\n this.internal.init();\r\n this.internal.afterInit(config);\r\n (function bindThis(fn, target, argThis) {\r\n Object.keys(fn).forEach(function (key) {\r\n target[key] = fn[key].bind(argThis);\r\n if (Object.keys(fn[key]).length > 0) {\r\n bindThis(fn[key], target[key], argThis);\r\n }\r\n });\r\n })(Chart.prototype, this, this);\r\n }\n\n var asHalfPixel = function (n) {\r\n return Math.ceil(n) + 0.5;\r\n };\r\n var ceil10 = function (v) {\r\n return Math.ceil(v / 10) * 10;\r\n };\r\n var diffDomain = function (d) {\r\n return d[1] - d[0];\r\n };\r\n var getOption = function (options, key, defaultValue) {\r\n return isDefined(options[key]) ? options[key] : defaultValue;\r\n };\r\n var getPathBox = function (path) {\r\n var box = getBBox(path), items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)], minX = items[0].x, minY = Math.min(items[0].y, items[1].y);\r\n return { x: minX, y: minY, width: box.width, height: box.height };\r\n };\r\n var getBBox = function (element) {\r\n try {\r\n return element.getBBox();\r\n }\r\n catch (ignore) {\r\n // Firefox will throw an exception if getBBox() is called whereas the\r\n // element is rendered with display:none\r\n // See https://github.com/c3js/c3/issues/2692\r\n // The previous code was using `getBoundingClientRect` which was returning\r\n // everything at 0 in this case so let's reproduce this behavior here.\r\n return { x: 0, y: 0, width: 0, height: 0 };\r\n }\r\n };\r\n var hasValue = function (dict, value) {\r\n var found = false;\r\n Object.keys(dict).forEach(function (key) {\r\n if (dict[key] === value) {\r\n found = true;\r\n }\r\n });\r\n return found;\r\n };\r\n var isArray = function (o) {\r\n return Array.isArray(o);\r\n };\r\n var isDefined = function (v) {\r\n return typeof v !== 'undefined';\r\n };\r\n var isEmpty = function (o) {\r\n return (typeof o === 'undefined' ||\r\n o === null ||\r\n (isString(o) && o.length === 0) ||\r\n (typeof o === 'object' && Object.keys(o).length === 0));\r\n };\r\n var isFunction = function (o) {\r\n return typeof o === 'function';\r\n };\r\n var isNumber = function (o) {\r\n return typeof o === 'number';\r\n };\r\n var isString = function (o) {\r\n return typeof o === 'string';\r\n };\r\n var isUndefined = function (v) {\r\n return typeof v === 'undefined';\r\n };\r\n var isValue = function (v) {\r\n return v || v === 0;\r\n };\r\n var notEmpty = function (o) {\r\n return !isEmpty(o);\r\n };\r\n var sanitise = function (str) {\r\n return typeof str === 'string'\r\n ? str.replace(//g, '>')\r\n : str;\r\n };\r\n var flattenArray = function (arr) {\r\n return Array.isArray(arr) ? [].concat.apply([], arr) : [];\r\n };\r\n /**\r\n * Returns whether the point is within the given box.\r\n *\r\n * @param {Array} point An [x,y] coordinate\r\n * @param {Object} box An object with {x, y, width, height} keys\r\n * @param {Number} sensitivity An offset to ease check on very small boxes\r\n */\r\n var isWithinBox = function (point, box, sensitivity) {\r\n if (sensitivity === void 0) { sensitivity = 0; }\r\n var xStart = box.x - sensitivity;\r\n var xEnd = box.x + box.width + sensitivity;\r\n var yStart = box.y + box.height + sensitivity;\r\n var yEnd = box.y - sensitivity;\r\n return (xStart < point[0] && point[0] < xEnd && yEnd < point[1] && point[1] < yStart);\r\n };\r\n /**\r\n * Returns Internet Explorer version number (or false if no Internet Explorer used).\r\n *\r\n * @param string agent Optional parameter to specify user agent\r\n */\r\n var getIEVersion = function (agent) {\r\n // https://stackoverflow.com/questions/19999388/check-if-user-is-using-ie\r\n if (typeof agent === 'undefined') {\r\n agent = window.navigator.userAgent;\r\n }\r\n var pos = agent.indexOf('MSIE '); // up to IE10\r\n if (pos > 0) {\r\n return parseInt(agent.substring(pos + 5, agent.indexOf('.', pos)), 10);\r\n }\r\n pos = agent.indexOf('Trident/'); // IE11\r\n if (pos > 0) {\r\n pos = agent.indexOf('rv:');\r\n return parseInt(agent.substring(pos + 3, agent.indexOf('.', pos)), 10);\r\n }\r\n return false;\r\n };\r\n /**\r\n * Returns whether the used browser is Internet Explorer.\r\n *\r\n * @param version Optional parameter to specify IE version\r\n */\r\n var isIE = function (version) {\r\n var ver = getIEVersion();\r\n if (typeof version === 'undefined') {\r\n return !!ver;\r\n }\r\n return version === ver;\r\n };\n\n function AxisInternal(component, params) {\r\n var internal = this;\r\n internal.component = component;\r\n internal.params = params || {};\r\n internal.d3 = component.d3;\r\n internal.scale = internal.d3.scaleLinear();\r\n internal.range;\r\n internal.orient = 'bottom';\r\n internal.innerTickSize = 6;\r\n internal.outerTickSize = this.params.withOuterTick ? 6 : 0;\r\n internal.tickPadding = 3;\r\n internal.tickValues = null;\r\n internal.tickFormat;\r\n internal.tickArguments;\r\n internal.tickOffset = 0;\r\n internal.tickCulling = true;\r\n internal.tickCentered;\r\n internal.tickTextCharSize;\r\n internal.tickTextRotate = internal.params.tickTextRotate;\r\n internal.tickLength;\r\n internal.axis = internal.generateAxis();\r\n }\r\n AxisInternal.prototype.axisX = function (selection, x, tickOffset) {\r\n selection.attr('transform', function (d) {\r\n return 'translate(' + Math.ceil(x(d) + tickOffset) + ', 0)';\r\n });\r\n };\r\n AxisInternal.prototype.axisY = function (selection, y) {\r\n selection.attr('transform', function (d) {\r\n return 'translate(0,' + Math.ceil(y(d)) + ')';\r\n });\r\n };\r\n AxisInternal.prototype.scaleExtent = function (domain) {\r\n var start = domain[0], stop = domain[domain.length - 1];\r\n return start < stop ? [start, stop] : [stop, start];\r\n };\r\n AxisInternal.prototype.generateTicks = function (scale) {\r\n var internal = this;\r\n var i, domain, ticks = [];\r\n if (scale.ticks) {\r\n return scale.ticks.apply(scale, internal.tickArguments);\r\n }\r\n domain = scale.domain();\r\n for (i = Math.ceil(domain[0]); i < domain[1]; i++) {\r\n ticks.push(i);\r\n }\r\n if (ticks.length > 0 && ticks[0] > 0) {\r\n ticks.unshift(ticks[0] - (ticks[1] - ticks[0]));\r\n }\r\n return ticks;\r\n };\r\n AxisInternal.prototype.copyScale = function () {\r\n var internal = this;\r\n var newScale = internal.scale.copy(), domain;\r\n if (internal.params.isCategory) {\r\n domain = internal.scale.domain();\r\n newScale.domain([domain[0], domain[1] - 1]);\r\n }\r\n return newScale;\r\n };\r\n AxisInternal.prototype.textFormatted = function (v) {\r\n var internal = this, formatted = internal.tickFormat ? internal.tickFormat(v) : v;\r\n return typeof formatted !== 'undefined' ? formatted : '';\r\n };\r\n AxisInternal.prototype.updateRange = function () {\r\n var internal = this;\r\n internal.range = internal.scale.rangeExtent\r\n ? internal.scale.rangeExtent()\r\n : internal.scaleExtent(internal.scale.range());\r\n return internal.range;\r\n };\r\n AxisInternal.prototype.updateTickTextCharSize = function (tick) {\r\n var internal = this;\r\n if (internal.tickTextCharSize) {\r\n return internal.tickTextCharSize;\r\n }\r\n var size = {\r\n h: 11.5,\r\n w: 5.5\r\n };\r\n tick\r\n .select('text')\r\n .text(function (d) {\r\n return internal.textFormatted(d);\r\n })\r\n .each(function (d) {\r\n var box = getBBox(this), text = internal.textFormatted(d), h = box.height, w = text ? box.width / text.length : undefined;\r\n if (h && w) {\r\n size.h = h;\r\n size.w = w;\r\n }\r\n })\r\n .text('');\r\n internal.tickTextCharSize = size;\r\n return size;\r\n };\r\n AxisInternal.prototype.isVertical = function () {\r\n return this.orient === 'left' || this.orient === 'right';\r\n };\r\n AxisInternal.prototype.tspanData = function (d, i, scale) {\r\n var internal = this;\r\n var splitted = internal.params.tickMultiline\r\n ? internal.splitTickText(d, scale)\r\n : [].concat(internal.textFormatted(d));\r\n if (internal.params.tickMultiline && internal.params.tickMultilineMax > 0) {\r\n splitted = internal.ellipsify(splitted, internal.params.tickMultilineMax);\r\n }\r\n return splitted.map(function (s) {\r\n return { index: i, splitted: s, length: splitted.length };\r\n });\r\n };\r\n AxisInternal.prototype.splitTickText = function (d, scale) {\r\n var internal = this, tickText = internal.textFormatted(d), maxWidth = internal.params.tickWidth, subtext, spaceIndex, textWidth, splitted = [];\r\n if (Object.prototype.toString.call(tickText) === '[object Array]') {\r\n return tickText;\r\n }\r\n if (!maxWidth || maxWidth <= 0) {\r\n maxWidth = internal.isVertical()\r\n ? 95\r\n : internal.params.isCategory\r\n ? Math.ceil(scale(1) - scale(0)) - 12\r\n : 110;\r\n }\r\n function split(splitted, text) {\r\n spaceIndex = undefined;\r\n for (var i = 1; i < text.length; i++) {\r\n if (text.charAt(i) === ' ') {\r\n spaceIndex = i;\r\n }\r\n subtext = text.substr(0, i + 1);\r\n textWidth = internal.tickTextCharSize.w * subtext.length;\r\n // if text width gets over tick width, split by space index or crrent index\r\n if (maxWidth < textWidth) {\r\n return split(splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)), text.slice(spaceIndex ? spaceIndex + 1 : i));\r\n }\r\n }\r\n return splitted.concat(text);\r\n }\r\n return split(splitted, tickText + '');\r\n };\r\n AxisInternal.prototype.ellipsify = function (splitted, max) {\r\n if (splitted.length <= max) {\r\n return splitted;\r\n }\r\n var ellipsified = splitted.slice(0, max);\r\n var remaining = 3;\r\n for (var i = max - 1; i >= 0; i--) {\r\n var available = ellipsified[i].length;\r\n ellipsified[i] = ellipsified[i]\r\n .substr(0, available - remaining)\r\n .padEnd(available, '.');\r\n remaining -= available;\r\n if (remaining <= 0) {\r\n break;\r\n }\r\n }\r\n return ellipsified;\r\n };\r\n AxisInternal.prototype.updateTickLength = function () {\r\n var internal = this;\r\n internal.tickLength =\r\n Math.max(internal.innerTickSize, 0) + internal.tickPadding;\r\n };\r\n AxisInternal.prototype.lineY2 = function (d) {\r\n var internal = this, tickPosition = internal.scale(d) + (internal.tickCentered ? 0 : internal.tickOffset);\r\n return internal.range[0] < tickPosition && tickPosition < internal.range[1]\r\n ? internal.innerTickSize\r\n : 0;\r\n };\r\n AxisInternal.prototype.textY = function () {\r\n var internal = this, rotate = internal.tickTextRotate;\r\n return rotate\r\n ? 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1)\r\n : internal.tickLength;\r\n };\r\n AxisInternal.prototype.textTransform = function () {\r\n var internal = this, rotate = internal.tickTextRotate;\r\n return rotate ? 'rotate(' + rotate + ')' : '';\r\n };\r\n AxisInternal.prototype.textTextAnchor = function () {\r\n var internal = this, rotate = internal.tickTextRotate;\r\n return rotate ? (rotate > 0 ? 'start' : 'end') : 'middle';\r\n };\r\n AxisInternal.prototype.tspanDx = function () {\r\n var internal = this, rotate = internal.tickTextRotate;\r\n return rotate ? 8 * Math.sin(Math.PI * (rotate / 180)) : 0;\r\n };\r\n AxisInternal.prototype.tspanDy = function (d, i) {\r\n var internal = this, dy = internal.tickTextCharSize.h;\r\n if (i === 0) {\r\n if (internal.isVertical()) {\r\n dy = -((d.length - 1) * (internal.tickTextCharSize.h / 2) - 3);\r\n }\r\n else {\r\n dy = '.71em';\r\n }\r\n }\r\n return dy;\r\n };\r\n AxisInternal.prototype.generateAxis = function () {\r\n var internal = this, d3 = internal.d3, params = internal.params;\r\n function axis(g, transition) {\r\n var self;\r\n g.each(function () {\r\n var g = (axis.g = d3.select(this));\r\n var scale0 = this.__chart__ || internal.scale, scale1 = (this.__chart__ = internal.copyScale());\r\n var ticksValues = internal.tickValues\r\n ? internal.tickValues\r\n : internal.generateTicks(scale1), ticks = g.selectAll('.tick').data(ticksValues, scale1), tickEnter = ticks\r\n .enter()\r\n .insert('g', '.domain')\r\n .attr('class', 'tick')\r\n .style('opacity', 1e-6), \r\n // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.\r\n tickExit = ticks.exit().remove(), tickUpdate = ticks.merge(tickEnter), tickTransform, tickX, tickY;\r\n if (params.isCategory) {\r\n internal.tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);\r\n tickX = internal.tickCentered ? 0 : internal.tickOffset;\r\n tickY = internal.tickCentered ? internal.tickOffset : 0;\r\n }\r\n else {\r\n internal.tickOffset = tickX = 0;\r\n }\r\n internal.updateRange();\r\n internal.updateTickLength();\r\n internal.updateTickTextCharSize(g.select('.tick'));\r\n var lineUpdate = tickUpdate\r\n .select('line')\r\n .merge(tickEnter.append('line')), textUpdate = tickUpdate.select('text').merge(tickEnter.append('text'));\r\n var tspans = tickUpdate\r\n .selectAll('text')\r\n .selectAll('tspan')\r\n .data(function (d, i) {\r\n return internal.tspanData(d, i, scale1);\r\n }), tspanEnter = tspans.enter().append('tspan'), tspanUpdate = tspanEnter.merge(tspans).text(function (d) {\r\n return d.splitted;\r\n });\r\n tspans.exit().remove();\r\n var path = g.selectAll('.domain').data([0]), pathUpdate = path\r\n .enter()\r\n .append('path')\r\n .merge(path)\r\n .attr('class', 'domain');\r\n // TODO: each attr should be one function and change its behavior by internal.orient, probably\r\n switch (internal.orient) {\r\n case 'bottom': {\r\n tickTransform = internal.axisX;\r\n lineUpdate\r\n .attr('x1', tickX)\r\n .attr('x2', tickX)\r\n .attr('y2', function (d, i) {\r\n return internal.lineY2(d, i);\r\n });\r\n textUpdate\r\n .attr('x', 0)\r\n .attr('y', function (d, i) {\r\n return internal.textY(d, i);\r\n })\r\n .attr('transform', function (d, i) {\r\n return internal.textTransform(d, i);\r\n })\r\n .style('text-anchor', function (d, i) {\r\n return internal.textTextAnchor(d, i);\r\n });\r\n tspanUpdate\r\n .attr('x', 0)\r\n .attr('dy', function (d, i) {\r\n return internal.tspanDy(d, i);\r\n })\r\n .attr('dx', function (d, i) {\r\n return internal.tspanDx(d, i);\r\n });\r\n pathUpdate.attr('d', 'M' +\r\n internal.range[0] +\r\n ',' +\r\n internal.outerTickSize +\r\n 'V0H' +\r\n internal.range[1] +\r\n 'V' +\r\n internal.outerTickSize);\r\n break;\r\n }\r\n case 'top': {\r\n // TODO: rotated tick text\r\n tickTransform = internal.axisX;\r\n lineUpdate\r\n .attr('x1', tickX)\r\n .attr('x2', tickX)\r\n .attr('y2', function (d, i) {\r\n return -1 * internal.lineY2(d, i);\r\n });\r\n textUpdate\r\n .attr('x', 0)\r\n .attr('y', function (d, i) {\r\n return (-1 * internal.textY(d, i) -\r\n (params.isCategory ? 2 : internal.tickLength - 2));\r\n })\r\n .attr('transform', function (d, i) {\r\n return internal.textTransform(d, i);\r\n })\r\n .style('text-anchor', function (d, i) {\r\n return internal.textTextAnchor(d, i);\r\n });\r\n tspanUpdate\r\n .attr('x', 0)\r\n .attr('dy', function (d, i) {\r\n return internal.tspanDy(d, i);\r\n })\r\n .attr('dx', function (d, i) {\r\n return internal.tspanDx(d, i);\r\n });\r\n pathUpdate.attr('d', 'M' +\r\n internal.range[0] +\r\n ',' +\r\n -internal.outerTickSize +\r\n 'V0H' +\r\n internal.range[1] +\r\n 'V' +\r\n -internal.outerTickSize);\r\n break;\r\n }\r\n case 'left': {\r\n tickTransform = internal.axisY;\r\n lineUpdate\r\n .attr('x2', -internal.innerTickSize)\r\n .attr('y1', tickY)\r\n .attr('y2', tickY);\r\n textUpdate\r\n .attr('x', -internal.tickLength)\r\n .attr('y', internal.tickOffset)\r\n .style('text-anchor', 'end');\r\n tspanUpdate\r\n .attr('x', -internal.tickLength)\r\n .attr('dy', function (d, i) {\r\n return internal.tspanDy(d, i);\r\n });\r\n pathUpdate.attr('d', 'M' +\r\n -internal.outerTickSize +\r\n ',' +\r\n internal.range[0] +\r\n 'H0V' +\r\n internal.range[1] +\r\n 'H' +\r\n -internal.outerTickSize);\r\n break;\r\n }\r\n case 'right': {\r\n tickTransform = internal.axisY;\r\n lineUpdate\r\n .attr('x2', internal.innerTickSize)\r\n .attr('y1', tickY)\r\n .attr('y2', tickY);\r\n textUpdate\r\n .attr('x', internal.tickLength)\r\n .attr('y', internal.tickOffset)\r\n .style('text-anchor', 'start');\r\n tspanUpdate.attr('x', internal.tickLength).attr('dy', function (d, i) {\r\n return internal.tspanDy(d, i);\r\n });\r\n pathUpdate.attr('d', 'M' +\r\n internal.outerTickSize +\r\n ',' +\r\n internal.range[0] +\r\n 'H0V' +\r\n internal.range[1] +\r\n 'H' +\r\n internal.outerTickSize);\r\n break;\r\n }\r\n }\r\n if (scale1.rangeBand) {\r\n var x = scale1, dx = x.rangeBand() / 2;\r\n scale0 = scale1 = function (d) {\r\n return x(d) + dx;\r\n };\r\n }\r\n else if (scale0.rangeBand) {\r\n scale0 = scale1;\r\n }\r\n else {\r\n tickExit.call(tickTransform, scale1, internal.tickOffset);\r\n }\r\n tickEnter.call(tickTransform, scale0, internal.tickOffset);\r\n self = (transition ? tickUpdate.transition(transition) : tickUpdate)\r\n .style('opacity', 1)\r\n .call(tickTransform, scale1, internal.tickOffset);\r\n });\r\n return self;\r\n }\r\n axis.scale = function (x) {\r\n if (!arguments.length) {\r\n return internal.scale;\r\n }\r\n internal.scale = x;\r\n return axis;\r\n };\r\n axis.orient = function (x) {\r\n if (!arguments.length) {\r\n return internal.orient;\r\n }\r\n internal.orient =\r\n x in { top: 1, right: 1, bottom: 1, left: 1 } ? x + '' : 'bottom';\r\n return axis;\r\n };\r\n axis.tickFormat = function (format) {\r\n if (!arguments.length) {\r\n return internal.tickFormat;\r\n }\r\n internal.tickFormat = format;\r\n return axis;\r\n };\r\n axis.tickCentered = function (isCentered) {\r\n if (!arguments.length) {\r\n return internal.tickCentered;\r\n }\r\n internal.tickCentered = isCentered;\r\n return axis;\r\n };\r\n axis.tickOffset = function () {\r\n return internal.tickOffset;\r\n };\r\n axis.tickInterval = function () {\r\n var interval, length;\r\n if (params.isCategory) {\r\n interval = internal.tickOffset * 2;\r\n }\r\n else {\r\n length =\r\n axis.g\r\n .select('path.domain')\r\n .node()\r\n .getTotalLength() -\r\n internal.outerTickSize * 2;\r\n interval = length / axis.g.selectAll('line').size();\r\n }\r\n return interval === Infinity ? 0 : interval;\r\n };\r\n axis.ticks = function () {\r\n if (!arguments.length) {\r\n return internal.tickArguments;\r\n }\r\n internal.tickArguments = arguments;\r\n return axis;\r\n };\r\n axis.tickCulling = function (culling) {\r\n if (!arguments.length) {\r\n return internal.tickCulling;\r\n }\r\n internal.tickCulling = culling;\r\n return axis;\r\n };\r\n axis.tickValues = function (x) {\r\n if (typeof x === 'function') {\r\n internal.tickValues = function () {\r\n return x(internal.scale.domain());\r\n };\r\n }\r\n else {\r\n if (!arguments.length) {\r\n return internal.tickValues;\r\n }\r\n internal.tickValues = x;\r\n }\r\n return axis;\r\n };\r\n return axis;\r\n };\n\n var CLASS = {\r\n target: 'c3-target',\r\n chart: 'c3-chart',\r\n chartLine: 'c3-chart-line',\r\n chartLines: 'c3-chart-lines',\r\n chartBar: 'c3-chart-bar',\r\n chartBars: 'c3-chart-bars',\r\n chartText: 'c3-chart-text',\r\n chartTexts: 'c3-chart-texts',\r\n chartArc: 'c3-chart-arc',\r\n chartArcs: 'c3-chart-arcs',\r\n chartArcsTitle: 'c3-chart-arcs-title',\r\n chartArcsBackground: 'c3-chart-arcs-background',\r\n chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit',\r\n chartArcsGaugeMax: 'c3-chart-arcs-gauge-max',\r\n chartArcsGaugeMin: 'c3-chart-arcs-gauge-min',\r\n selectedCircle: 'c3-selected-circle',\r\n selectedCircles: 'c3-selected-circles',\r\n eventRect: 'c3-event-rect',\r\n eventRects: 'c3-event-rects',\r\n eventRectsSingle: 'c3-event-rects-single',\r\n eventRectsMultiple: 'c3-event-rects-multiple',\r\n zoomRect: 'c3-zoom-rect',\r\n brush: 'c3-brush',\r\n dragZoom: 'c3-drag-zoom',\r\n focused: 'c3-focused',\r\n defocused: 'c3-defocused',\r\n region: 'c3-region',\r\n regions: 'c3-regions',\r\n title: 'c3-title',\r\n tooltipContainer: 'c3-tooltip-container',\r\n tooltip: 'c3-tooltip',\r\n tooltipName: 'c3-tooltip-name',\r\n shape: 'c3-shape',\r\n shapes: 'c3-shapes',\r\n line: 'c3-line',\r\n lines: 'c3-lines',\r\n bar: 'c3-bar',\r\n bars: 'c3-bars',\r\n circle: 'c3-circle',\r\n circles: 'c3-circles',\r\n arc: 'c3-arc',\r\n arcLabelLine: 'c3-arc-label-line',\r\n arcs: 'c3-arcs',\r\n area: 'c3-area',\r\n areas: 'c3-areas',\r\n empty: 'c3-empty',\r\n text: 'c3-text',\r\n texts: 'c3-texts',\r\n gaugeValue: 'c3-gauge-value',\r\n grid: 'c3-grid',\r\n gridLines: 'c3-grid-lines',\r\n xgrid: 'c3-xgrid',\r\n xgrids: 'c3-xgrids',\r\n xgridLine: 'c3-xgrid-line',\r\n xgridLines: 'c3-xgrid-lines',\r\n xgridFocus: 'c3-xgrid-focus',\r\n ygrid: 'c3-ygrid',\r\n ygrids: 'c3-ygrids',\r\n ygridLine: 'c3-ygrid-line',\r\n ygridLines: 'c3-ygrid-lines',\r\n colorScale: 'c3-colorscale',\r\n stanfordElements: 'c3-stanford-elements',\r\n stanfordLine: 'c3-stanford-line',\r\n stanfordLines: 'c3-stanford-lines',\r\n stanfordRegion: 'c3-stanford-region',\r\n stanfordRegions: 'c3-stanford-regions',\r\n stanfordText: 'c3-stanford-text',\r\n stanfordTexts: 'c3-stanford-texts',\r\n axis: 'c3-axis',\r\n axisX: 'c3-axis-x',\r\n axisXLabel: 'c3-axis-x-label',\r\n axisY: 'c3-axis-y',\r\n axisYLabel: 'c3-axis-y-label',\r\n axisY2: 'c3-axis-y2',\r\n axisY2Label: 'c3-axis-y2-label',\r\n legendBackground: 'c3-legend-background',\r\n legendItem: 'c3-legend-item',\r\n legendItemEvent: 'c3-legend-item-event',\r\n legendItemTile: 'c3-legend-item-tile',\r\n legendItemHidden: 'c3-legend-item-hidden',\r\n legendItemFocused: 'c3-legend-item-focused',\r\n dragarea: 'c3-dragarea',\r\n EXPANDED: '_expanded_',\r\n SELECTED: '_selected_',\r\n INCLUDED: '_included_'\r\n };\n\n var AxisClass = /** @class */ (function () {\r\n function AxisClass(owner) {\r\n this.owner = owner;\r\n this.d3 = owner.d3;\r\n this.internal = AxisInternal;\r\n }\r\n return AxisClass;\r\n }());\r\n var Axis = AxisClass;\r\n Axis.prototype.init = function init() {\r\n var $$ = this.owner, config = $$.config, main = $$.main;\r\n $$.axes.x = main\r\n .append('g')\r\n .attr('class', CLASS.axis + ' ' + CLASS.axisX)\r\n .attr('clip-path', config.axis_x_inner ? '' : $$.clipPathForXAxis)\r\n .attr('transform', $$.getTranslate('x'))\r\n .style('visibility', config.axis_x_show ? 'visible' : 'hidden');\r\n $$.axes.x\r\n .append('text')\r\n .attr('class', CLASS.axisXLabel)\r\n .attr('transform', config.axis_rotated ? 'rotate(-90)' : '')\r\n .style('text-anchor', this.textAnchorForXAxisLabel.bind(this));\r\n $$.axes.y = main\r\n .append('g')\r\n .attr('class', CLASS.axis + ' ' + CLASS.axisY)\r\n .attr('clip-path', config.axis_y_inner ? '' : $$.clipPathForYAxis)\r\n .attr('transform', $$.getTranslate('y'))\r\n .style('visibility', config.axis_y_show ? 'visible' : 'hidden');\r\n $$.axes.y\r\n .append('text')\r\n .attr('class', CLASS.axisYLabel)\r\n .attr('transform', config.axis_rotated ? '' : 'rotate(-90)')\r\n .style('text-anchor', this.textAnchorForYAxisLabel.bind(this));\r\n $$.axes.y2 = main\r\n .append('g')\r\n .attr('class', CLASS.axis + ' ' + CLASS.axisY2)\r\n // clip-path?\r\n .attr('transform', $$.getTranslate('y2'))\r\n .style('visibility', config.axis_y2_show ? 'visible' : 'hidden');\r\n $$.axes.y2\r\n .append('text')\r\n .attr('class', CLASS.axisY2Label)\r\n .attr('transform', config.axis_rotated ? '' : 'rotate(-90)')\r\n .style('text-anchor', this.textAnchorForY2AxisLabel.bind(this));\r\n };\r\n Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {\r\n var $$ = this.owner, config = $$.config, axisParams = {\r\n isCategory: $$.isCategorized(),\r\n withOuterTick: withOuterTick,\r\n tickMultiline: config.axis_x_tick_multiline,\r\n tickMultilineMax: config.axis_x_tick_multiline\r\n ? Number(config.axis_x_tick_multilineMax)\r\n : 0,\r\n tickWidth: config.axis_x_tick_width,\r\n tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,\r\n withoutTransition: withoutTransition\r\n }, axis = new this.internal(this, axisParams).axis.scale(scale).orient(orient);\r\n if ($$.isTimeSeries() && tickValues && typeof tickValues !== 'function') {\r\n tickValues = tickValues.map(function (v) {\r\n return $$.parseDate(v);\r\n });\r\n }\r\n // Set tick\r\n axis.tickFormat(tickFormat).tickValues(tickValues);\r\n if ($$.isCategorized()) {\r\n axis.tickCentered(config.axis_x_tick_centered);\r\n if (isEmpty(config.axis_x_tick_culling)) {\r\n config.axis_x_tick_culling = false;\r\n }\r\n }\r\n return axis;\r\n };\r\n Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) {\r\n var $$ = this.owner, config = $$.config, tickValues;\r\n if (config.axis_x_tick_fit || config.axis_x_tick_count) {\r\n tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries());\r\n }\r\n if (axis) {\r\n axis.tickValues(tickValues);\r\n }\r\n else {\r\n $$.xAxis.tickValues(tickValues);\r\n $$.subXAxis.tickValues(tickValues);\r\n }\r\n return tickValues;\r\n };\r\n Axis.prototype.getYAxis = function getYAxis(axisId, scale, orient, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {\r\n var $$ = this.owner;\r\n var config = $$.config;\r\n var tickFormat = config[\"axis_\" + axisId + \"_tick_format\"];\r\n if (!tickFormat && $$.isAxisNormalized(axisId)) {\r\n tickFormat = function (x) { return x + \"%\"; };\r\n }\r\n var axis = new this.internal(this, {\r\n withOuterTick: withOuterTick,\r\n withoutTransition: withoutTransition,\r\n tickTextRotate: withoutRotateTickText ? 0 : config.axis_y_tick_rotate\r\n }).axis\r\n .scale(scale)\r\n .orient(orient);\r\n if (tickFormat) {\r\n axis.tickFormat(tickFormat);\r\n }\r\n if ($$.isTimeSeriesY()) {\r\n axis.ticks(config.axis_y_tick_time_type, config.axis_y_tick_time_interval);\r\n }\r\n else {\r\n axis.tickValues(tickValues);\r\n }\r\n return axis;\r\n };\r\n Axis.prototype.getId = function getId(id) {\r\n var config = this.owner.config;\r\n return id in config.data_axes ? config.data_axes[id] : 'y';\r\n };\r\n Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() {\r\n // #2251 previously set any negative values to a whole number,\r\n // however both should be truncated according to the users format specification\r\n var $$ = this.owner, config = $$.config;\r\n var format = $$.isTimeSeries()\r\n ? $$.defaultAxisTimeFormat\r\n : $$.isCategorized()\r\n ? $$.categoryName\r\n : function (v) {\r\n return v;\r\n };\r\n if (config.axis_x_tick_format) {\r\n if (isFunction(config.axis_x_tick_format)) {\r\n format = config.axis_x_tick_format;\r\n }\r\n else if ($$.isTimeSeries()) {\r\n format = function (date) {\r\n return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : '';\r\n };\r\n }\r\n }\r\n return isFunction(format)\r\n ? function (v) {\r\n return format.call($$, v);\r\n }\r\n : format;\r\n };\r\n Axis.prototype.getTickValues = function getTickValues(tickValues, axis) {\r\n return tickValues ? tickValues : axis ? axis.tickValues() : undefined;\r\n };\r\n Axis.prototype.getXAxisTickValues = function getXAxisTickValues() {\r\n return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis);\r\n };\r\n Axis.prototype.getYAxisTickValues = function getYAxisTickValues() {\r\n return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis);\r\n };\r\n Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() {\r\n return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis);\r\n };\r\n Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) {\r\n var $$ = this.owner, config = $$.config, option;\r\n if (axisId === 'y') {\r\n option = config.axis_y_label;\r\n }\r\n else if (axisId === 'y2') {\r\n option = config.axis_y2_label;\r\n }\r\n else if (axisId === 'x') {\r\n option = config.axis_x_label;\r\n }\r\n return option;\r\n };\r\n Axis.prototype.getLabelText = function getLabelText(axisId) {\r\n var option = this.getLabelOptionByAxisId(axisId);\r\n return isString(option) ? option : option ? option.text : null;\r\n };\r\n Axis.prototype.setLabelText = function setLabelText(axisId, text) {\r\n var $$ = this.owner, config = $$.config, option = this.getLabelOptionByAxisId(axisId);\r\n if (isString(option)) {\r\n if (axisId === 'y') {\r\n config.axis_y_label = text;\r\n }\r\n else if (axisId === 'y2') {\r\n config.axis_y2_label = text;\r\n }\r\n else if (axisId === 'x') {\r\n config.axis_x_label = text;\r\n }\r\n }\r\n else if (option) {\r\n option.text = text;\r\n }\r\n };\r\n Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) {\r\n var option = this.getLabelOptionByAxisId(axisId), position = option && typeof option === 'object' && option.position\r\n ? option.position\r\n : defaultPosition;\r\n return {\r\n isInner: position.indexOf('inner') >= 0,\r\n isOuter: position.indexOf('outer') >= 0,\r\n isLeft: position.indexOf('left') >= 0,\r\n isCenter: position.indexOf('center') >= 0,\r\n isRight: position.indexOf('right') >= 0,\r\n isTop: position.indexOf('top') >= 0,\r\n isMiddle: position.indexOf('middle') >= 0,\r\n isBottom: position.indexOf('bottom') >= 0\r\n };\r\n };\r\n Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() {\r\n return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right');\r\n };\r\n Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() {\r\n return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');\r\n };\r\n Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() {\r\n return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');\r\n };\r\n Axis.prototype.getLabelPositionById = function getLabelPositionById(id) {\r\n return id === 'y2'\r\n ? this.getY2AxisLabelPosition()\r\n : id === 'y'\r\n ? this.getYAxisLabelPosition()\r\n : this.getXAxisLabelPosition();\r\n };\r\n Axis.prototype.textForXAxisLabel = function textForXAxisLabel() {\r\n return this.getLabelText('x');\r\n };\r\n Axis.prototype.textForYAxisLabel = function textForYAxisLabel() {\r\n return this.getLabelText('y');\r\n };\r\n Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() {\r\n return this.getLabelText('y2');\r\n };\r\n Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) {\r\n var $$ = this.owner;\r\n if (forHorizontal) {\r\n return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;\r\n }\r\n else {\r\n return position.isBottom\r\n ? -$$.height\r\n : position.isMiddle\r\n ? -$$.height / 2\r\n : 0;\r\n }\r\n };\r\n Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) {\r\n if (forHorizontal) {\r\n return position.isLeft ? '0.5em' : position.isRight ? '-0.5em' : '0';\r\n }\r\n else {\r\n return position.isTop ? '-0.5em' : position.isBottom ? '0.5em' : '0';\r\n }\r\n };\r\n Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) {\r\n if (forHorizontal) {\r\n return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';\r\n }\r\n else {\r\n return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';\r\n }\r\n };\r\n Axis.prototype.xForXAxisLabel = function xForXAxisLabel() {\r\n return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());\r\n };\r\n Axis.prototype.xForYAxisLabel = function xForYAxisLabel() {\r\n return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());\r\n };\r\n Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() {\r\n return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());\r\n };\r\n Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() {\r\n return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());\r\n };\r\n Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() {\r\n return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());\r\n };\r\n Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() {\r\n return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());\r\n };\r\n Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() {\r\n var $$ = this.owner, config = $$.config, position = this.getXAxisLabelPosition();\r\n if (config.axis_rotated) {\r\n return position.isInner\r\n ? '1.2em'\r\n : -25 - ($$.config.axis_x_inner ? 0 : this.getMaxTickWidth('x'));\r\n }\r\n else {\r\n return position.isInner ? '-0.5em' : $$.getHorizontalAxisHeight('x') - 10;\r\n }\r\n };\r\n Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() {\r\n var $$ = this.owner, position = this.getYAxisLabelPosition();\r\n if ($$.config.axis_rotated) {\r\n return position.isInner ? '-0.5em' : '3em';\r\n }\r\n else {\r\n return position.isInner\r\n ? '1.2em'\r\n : -10 - ($$.config.axis_y_inner ? 0 : this.getMaxTickWidth('y') + 10);\r\n }\r\n };\r\n Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() {\r\n var $$ = this.owner, position = this.getY2AxisLabelPosition();\r\n if ($$.config.axis_rotated) {\r\n return position.isInner ? '1.2em' : '-2.2em';\r\n }\r\n else {\r\n return position.isInner\r\n ? '-0.5em'\r\n : 15 + ($$.config.axis_y2_inner ? 0 : this.getMaxTickWidth('y2') + 15);\r\n }\r\n };\r\n Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() {\r\n var $$ = this.owner;\r\n return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition());\r\n };\r\n Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() {\r\n var $$ = this.owner;\r\n return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition());\r\n };\r\n Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() {\r\n var $$ = this.owner;\r\n return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());\r\n };\r\n Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {\r\n var $$ = this.owner, maxWidth = 0, targetsToShow, scale, axis, dummy, svg;\r\n if (withoutRecompute && $$.currentMaxTickWidths[id]) {\r\n return $$.currentMaxTickWidths[id];\r\n }\r\n if ($$.svg) {\r\n targetsToShow = $$.filterTargetsToShow($$.data.targets);\r\n if (id === 'y') {\r\n scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));\r\n axis = this.getYAxis(id, scale, $$.yOrient, $$.yAxisTickValues, false, true, true);\r\n }\r\n else if (id === 'y2') {\r\n scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));\r\n axis = this.getYAxis(id, scale, $$.y2Orient, $$.y2AxisTickValues, false, true, true);\r\n }\r\n else {\r\n scale = $$.x.copy().domain($$.getXDomain(targetsToShow));\r\n axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);\r\n this.updateXAxisTickValues(targetsToShow, axis);\r\n }\r\n dummy = $$.d3\r\n .select('body')\r\n .append('div')\r\n .classed('c3', true);\r\n (svg = dummy\r\n .append('svg')\r\n .style('visibility', 'hidden')\r\n .style('position', 'fixed')\r\n .style('top', 0)\r\n .style('left', 0)),\r\n svg\r\n .append('g')\r\n .call(axis)\r\n .each(function () {\r\n $$.d3\r\n .select(this)\r\n .selectAll('text')\r\n .each(function () {\r\n var box = getBBox(this);\r\n if (maxWidth < box.width) {\r\n maxWidth = box.width;\r\n }\r\n });\r\n dummy.remove();\r\n });\r\n }\r\n $$.currentMaxTickWidths[id] =\r\n maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;\r\n return $$.currentMaxTickWidths[id];\r\n };\r\n Axis.prototype.updateLabels = function updateLabels(withTransition) {\r\n var $$ = this.owner;\r\n var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel), axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel), axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label);\r\n (withTransition ? axisXLabel.transition() : axisXLabel)\r\n .attr('x', this.xForXAxisLabel.bind(this))\r\n .attr('dx', this.dxForXAxisLabel.bind(this))\r\n .attr('dy', this.dyForXAxisLabel.bind(this))\r\n .text(this.textForXAxisLabel.bind(this));\r\n (withTransition ? axisYLabel.transition() : axisYLabel)\r\n .attr('x', this.xForYAxisLabel.bind(this))\r\n .attr('dx', this.dxForYAxisLabel.bind(this))\r\n .attr('dy', this.dyForYAxisLabel.bind(this))\r\n .text(this.textForYAxisLabel.bind(this));\r\n (withTransition ? axisY2Label.transition() : axisY2Label)\r\n .attr('x', this.xForY2AxisLabel.bind(this))\r\n .attr('dx', this.dxForY2AxisLabel.bind(this))\r\n .attr('dy', this.dyForY2AxisLabel.bind(this))\r\n .text(this.textForY2AxisLabel.bind(this));\r\n };\r\n Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) {\r\n var p = typeof padding === 'number' ? padding : padding[key];\r\n if (!isValue(p)) {\r\n return defaultValue;\r\n }\r\n if (padding.unit === 'ratio') {\r\n return padding[key] * domainLength;\r\n }\r\n // assume padding is pixels if unit is not specified\r\n return this.convertPixelsToAxisPadding(p, domainLength);\r\n };\r\n Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) {\r\n var $$ = this.owner, length = $$.config.axis_rotated ? $$.width : $$.height;\r\n return domainLength * (pixels / length);\r\n };\r\n Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) {\r\n var tickValues = values, targetCount, start, end, count, interval, i, tickValue;\r\n if (tickCount) {\r\n targetCount = isFunction(tickCount) ? tickCount() : tickCount;\r\n // compute ticks according to tickCount\r\n if (targetCount === 1) {\r\n tickValues = [values[0]];\r\n }\r\n else if (targetCount === 2) {\r\n tickValues = [values[0], values[values.length - 1]];\r\n }\r\n else if (targetCount > 2) {\r\n count = targetCount - 2;\r\n start = values[0];\r\n end = values[values.length - 1];\r\n interval = (end - start) / (count + 1);\r\n // re-construct unique values\r\n tickValues = [start];\r\n for (i = 0; i < count; i++) {\r\n tickValue = +start + interval * (i + 1);\r\n tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue);\r\n }\r\n tickValues.push(end);\r\n }\r\n }\r\n if (!forTimeSeries) {\r\n tickValues = tickValues.sort(function (a, b) {\r\n return a - b;\r\n });\r\n }\r\n return tickValues;\r\n };\r\n Axis.prototype.generateTransitions = function generateTransitions(duration) {\r\n var $$ = this.owner, axes = $$.axes;\r\n return {\r\n axisX: duration ? axes.x.transition().duration(duration) : axes.x,\r\n axisY: duration ? axes.y.transition().duration(duration) : axes.y,\r\n axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2,\r\n axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx\r\n };\r\n };\r\n Axis.prototype.redraw = function redraw(duration, isHidden) {\r\n var $$ = this.owner, transition = duration ? $$.d3.transition().duration(duration) : null;\r\n $$.axes.x.style('opacity', isHidden ? 0 : 1).call($$.xAxis, transition);\r\n $$.axes.y.style('opacity', isHidden ? 0 : 1).call($$.yAxis, transition);\r\n $$.axes.y2.style('opacity', isHidden ? 0 : 1).call($$.y2Axis, transition);\r\n $$.axes.subx.style('opacity', isHidden ? 0 : 1).call($$.subXAxis, transition);\r\n };\n\n var c3 = {\r\n version: '0.7.20',\r\n chart: {\r\n fn: Chart.prototype,\r\n internal: {\r\n fn: ChartInternal.prototype,\r\n axis: {\r\n fn: AxisClass.prototype,\r\n internal: {\r\n fn: AxisInternal.prototype\r\n }\r\n }\r\n }\r\n },\r\n generate: function (config) {\r\n return new Chart(config);\r\n }\r\n };\r\n ChartInternal.prototype.beforeInit = function () {\r\n // can do something\r\n };\r\n ChartInternal.prototype.afterInit = function () {\r\n // can do something\r\n };\r\n ChartInternal.prototype.init = function () {\r\n var $$ = this, config = $$.config;\r\n $$.initParams();\r\n if (config.data_url) {\r\n $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_headers, config.data_keys, $$.initWithData);\r\n }\r\n else if (config.data_json) {\r\n $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys));\r\n }\r\n else if (config.data_rows) {\r\n $$.initWithData($$.convertRowsToData(config.data_rows));\r\n }\r\n else if (config.data_columns) {\r\n $$.initWithData($$.convertColumnsToData(config.data_columns));\r\n }\r\n else {\r\n throw Error('url or json or rows or columns is required.');\r\n }\r\n };\r\n ChartInternal.prototype.initParams = function () {\r\n var $$ = this, d3 = $$.d3, config = $$.config;\r\n // MEMO: clipId needs to be unique because it conflicts when multiple charts exist\r\n $$.clipId = 'c3-' + new Date().valueOf() + '-clip';\r\n $$.clipIdForXAxis = $$.clipId + '-xaxis';\r\n $$.clipIdForYAxis = $$.clipId + '-yaxis';\r\n $$.clipIdForGrid = $$.clipId + '-grid';\r\n $$.clipIdForSubchart = $$.clipId + '-subchart';\r\n $$.clipPath = $$.getClipPath($$.clipId);\r\n $$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis);\r\n $$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis);\r\n $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid);\r\n $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart);\r\n $$.dragStart = null;\r\n $$.dragging = false;\r\n $$.flowing = false;\r\n $$.cancelClick = false;\r\n $$.mouseover = undefined;\r\n $$.transiting = false;\r\n $$.color = $$.generateColor();\r\n $$.levelColor = $$.generateLevelColor();\r\n $$.dataTimeParse = (config.data_xLocaltime ? d3.timeParse : d3.utcParse)($$.config.data_xFormat);\r\n $$.axisTimeFormat = config.axis_x_localtime ? d3.timeFormat : d3.utcFormat;\r\n $$.defaultAxisTimeFormat = function (date) {\r\n if (date.getMilliseconds()) {\r\n return d3.timeFormat('.%L')(date);\r\n }\r\n if (date.getSeconds()) {\r\n return d3.timeFormat(':%S')(date);\r\n }\r\n if (date.getMinutes()) {\r\n return d3.timeFormat('%I:%M')(date);\r\n }\r\n if (date.getHours()) {\r\n return d3.timeFormat('%I %p')(date);\r\n }\r\n if (date.getDay() && date.getDate() !== 1) {\r\n return d3.timeFormat('%-m/%-d')(date);\r\n }\r\n if (date.getDate() !== 1) {\r\n return d3.timeFormat('%-m/%-d')(date);\r\n }\r\n if (date.getMonth()) {\r\n return d3.timeFormat('%-m/%-d')(date);\r\n }\r\n return d3.timeFormat('%Y/%-m/%-d')(date);\r\n };\r\n $$.hiddenTargetIds = [];\r\n $$.hiddenLegendIds = [];\r\n $$.focusedTargetIds = [];\r\n $$.defocusedTargetIds = [];\r\n $$.xOrient = config.axis_rotated\r\n ? config.axis_x_inner\r\n ? 'right'\r\n : 'left'\r\n : config.axis_x_inner\r\n ? 'top'\r\n : 'bottom';\r\n $$.yOrient = config.axis_rotated\r\n ? config.axis_y_inner\r\n ? 'top'\r\n : 'bottom'\r\n : config.axis_y_inner\r\n ? 'right'\r\n : 'left';\r\n $$.y2Orient = config.axis_rotated\r\n ? config.axis_y2_inner\r\n ? 'bottom'\r\n : 'top'\r\n : config.axis_y2_inner\r\n ? 'left'\r\n : 'right';\r\n $$.subXOrient = config.axis_rotated ? 'left' : 'bottom';\r\n $$.isLegendRight = config.legend_position === 'right';\r\n $$.isLegendInset = config.legend_position === 'inset';\r\n $$.isLegendTop =\r\n config.legend_inset_anchor === 'top-left' ||\r\n config.legend_inset_anchor === 'top-right';\r\n $$.isLegendLeft =\r\n config.legend_inset_anchor === 'top-left' ||\r\n config.legend_inset_anchor === 'bottom-left';\r\n $$.legendStep = 0;\r\n $$.legendItemWidth = 0;\r\n $$.legendItemHeight = 0;\r\n $$.currentMaxTickWidths = {\r\n x: 0,\r\n y: 0,\r\n y2: 0\r\n };\r\n $$.rotated_padding_left = 30;\r\n $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;\r\n $$.rotated_padding_top = 5;\r\n $$.withoutFadeIn = {};\r\n $$.intervalForObserveInserted = undefined;\r\n $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js\r\n };\r\n ChartInternal.prototype.initChartElements = function () {\r\n if (this.initBar) {\r\n this.initBar();\r\n }\r\n if (this.initLine) {\r\n this.initLine();\r\n }\r\n if (this.initArc) {\r\n this.initArc();\r\n }\r\n if (this.initGauge) {\r\n this.initGauge();\r\n }\r\n if (this.initText) {\r\n this.initText();\r\n }\r\n };\r\n ChartInternal.prototype.initWithData = function (data) {\r\n var $$ = this, d3 = $$.d3, config = $$.config;\r\n var defs, main, binding = true;\r\n $$.axis = new AxisClass($$);\r\n if (!config.bindto) {\r\n $$.selectChart = d3.selectAll([]);\r\n }\r\n else if (typeof config.bindto.node === 'function') {\r\n $$.selectChart = config.bindto;\r\n }\r\n else {\r\n $$.selectChart = d3.select(config.bindto);\r\n }\r\n if ($$.selectChart.empty()) {\r\n $$.selectChart = d3\r\n .select(document.createElement('div'))\r\n .style('opacity', 0);\r\n $$.observeInserted($$.selectChart);\r\n binding = false;\r\n }\r\n $$.selectChart.html('').classed('c3', true);\r\n // Init data as targets\r\n $$.data.xs = {};\r\n $$.data.targets = $$.convertDataToTargets(data);\r\n if (config.data_filter) {\r\n $$.data.targets = $$.data.targets.filter(config.data_filter);\r\n }\r\n // Set targets to hide if needed\r\n if (config.data_hide) {\r\n $$.addHiddenTargetIds(config.data_hide === true\r\n ? $$.mapToIds($$.data.targets)\r\n : config.data_hide);\r\n }\r\n if (config.legend_hide) {\r\n $$.addHiddenLegendIds(config.legend_hide === true\r\n ? $$.mapToIds($$.data.targets)\r\n : config.legend_hide);\r\n }\r\n if ($$.isStanfordGraphType()) {\r\n $$.initStanfordData();\r\n }\r\n // Init sizes and scales\r\n $$.updateSizes();\r\n $$.updateScales();\r\n // Set domains for each scale\r\n $$.x.domain(d3.extent($$.getXDomain($$.data.targets)));\r\n $$.y.domain($$.getYDomain($$.data.targets, 'y'));\r\n $$.y2.domain($$.getYDomain($$.data.targets, 'y2'));\r\n $$.subX.domain($$.x.domain());\r\n $$.subY.domain($$.y.domain());\r\n $$.subY2.domain($$.y2.domain());\r\n // Save original x domain for zoom update\r\n $$.orgXDomain = $$.x.domain();\r\n /*-- Basic Elements --*/\r\n // Define svgs\r\n $$.svg = $$.selectChart\r\n .append('svg')\r\n .style('overflow', 'hidden')\r\n .on('mouseenter', function () {\r\n return config.onmouseover.call($$);\r\n })\r\n .on('mouseleave', function () {\r\n return config.onmouseout.call($$);\r\n });\r\n if ($$.config.svg_classname) {\r\n $$.svg.attr('class', $$.config.svg_classname);\r\n }\r\n // Define defs\r\n defs = $$.svg.append('defs');\r\n $$.clipChart = $$.appendClip(defs, $$.clipId);\r\n $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);\r\n $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);\r\n $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);\r\n $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);\r\n $$.updateSvgSize();\r\n // Define regions\r\n main = $$.main = $$.svg.append('g').attr('transform', $$.getTranslate('main'));\r\n if ($$.initPie) {\r\n $$.initPie();\r\n }\r\n if ($$.initDragZoom) {\r\n $$.initDragZoom();\r\n }\r\n if (config.subchart_show && $$.initSubchart) {\r\n $$.initSubchart();\r\n }\r\n if ($$.initTooltip) {\r\n $$.initTooltip();\r\n }\r\n if ($$.initLegend) {\r\n $$.initLegend();\r\n }\r\n if ($$.initTitle) {\r\n $$.initTitle();\r\n }\r\n if ($$.initZoom) {\r\n $$.initZoom();\r\n }\r\n if ($$.isStanfordGraphType()) {\r\n $$.drawColorScale();\r\n }\r\n // Update selection based on size and scale\r\n // TODO: currently this must be called after initLegend because of update of sizes, but it should be done in initSubchart.\r\n if (config.subchart_show && $$.initSubchartBrush) {\r\n $$.initSubchartBrush();\r\n }\r\n /*-- Main Region --*/\r\n // text when empty\r\n main\r\n .append('text')\r\n .attr('class', CLASS.text + ' ' + CLASS.empty)\r\n .attr('text-anchor', 'middle') // horizontal centering of text at x position in all browsers.\r\n .attr('dominant-baseline', 'middle'); // vertical centering of text at y position in all browsers, except IE.\r\n // Regions\r\n $$.initRegion();\r\n // Grids\r\n $$.initGrid();\r\n // Define g for chart area\r\n main\r\n .append('g')\r\n .attr('clip-path', $$.clipPath)\r\n .attr('class', CLASS.chart);\r\n // Grid lines\r\n if (config.grid_lines_front) {\r\n $$.initGridLines();\r\n }\r\n $$.initStanfordElements();\r\n // Cover whole with rects for events\r\n $$.initEventRect();\r\n // Define g for chart\r\n $$.initChartElements();\r\n // Add Axis\r\n $$.axis.init();\r\n // Set targets\r\n $$.updateTargets($$.data.targets);\r\n // Set default extent if defined\r\n if (config.axis_x_selection) {\r\n $$.brush.selectionAsValue($$.getDefaultSelection());\r\n }\r\n // Draw with targets\r\n if (binding) {\r\n $$.updateDimension();\r\n $$.config.oninit.call($$);\r\n $$.redraw({\r\n withTransition: false,\r\n withTransform: true,\r\n withUpdateXDomain: true,\r\n withUpdateOrgXDomain: true,\r\n withTransitionForAxis: false\r\n });\r\n }\r\n // Bind to resize event\r\n $$.bindResize();\r\n // Bind to window focus event\r\n $$.bindWindowFocus();\r\n // export element of the chart\r\n $$.api.element = $$.selectChart.node();\r\n };\r\n ChartInternal.prototype.smoothLines = function (el, type) {\r\n var $$ = this;\r\n if (type === 'grid') {\r\n el.each(function () {\r\n var g = $$.d3.select(this), x1 = g.attr('x1'), x2 = g.attr('x2'), y1 = g.attr('y1'), y2 = g.attr('y2');\r\n g.attr({\r\n x1: Math.ceil(x1),\r\n x2: Math.ceil(x2),\r\n y1: Math.ceil(y1),\r\n y2: Math.ceil(y2)\r\n });\r\n });\r\n }\r\n };\r\n ChartInternal.prototype.updateSizes = function () {\r\n var $$ = this, config = $$.config;\r\n var legendHeight = $$.legend ? $$.getLegendHeight() : 0, legendWidth = $$.legend ? $$.getLegendWidth() : 0, legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight, hasArc = $$.hasArcType(), xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'), subchartXAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x', true), subchartHeight = config.subchart_show && !hasArc\r\n ? config.subchart_size_height + subchartXAxisHeight\r\n : 0;\r\n $$.currentWidth = $$.getCurrentWidth();\r\n $$.currentHeight = $$.getCurrentHeight();\r\n // for main\r\n $$.margin = config.axis_rotated\r\n ? {\r\n top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(),\r\n right: hasArc ? 0 : $$.getCurrentPaddingRight(),\r\n bottom: $$.getHorizontalAxisHeight('y') +\r\n legendHeightForBottom +\r\n $$.getCurrentPaddingBottom(),\r\n left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft())\r\n }\r\n : {\r\n top: 4 + $$.getCurrentPaddingTop(),\r\n right: hasArc ? 0 : $$.getCurrentPaddingRight(),\r\n bottom: xAxisHeight +\r\n subchartHeight +\r\n legendHeightForBottom +\r\n $$.getCurrentPaddingBottom(),\r\n left: hasArc ? 0 : $$.getCurrentPaddingLeft()\r\n };\r\n // for subchart\r\n $$.margin2 = config.axis_rotated\r\n ? {\r\n top: $$.margin.top,\r\n right: NaN,\r\n bottom: 20 + legendHeightForBottom,\r\n left: $$.rotated_padding_left\r\n }\r\n : {\r\n top: $$.currentHeight - subchartHeight - legendHeightForBottom,\r\n right: NaN,\r\n bottom: subchartXAxisHeight + legendHeightForBottom,\r\n left: $$.margin.left\r\n };\r\n // for legend\r\n $$.margin3 = {\r\n top: 0,\r\n right: NaN,\r\n bottom: 0,\r\n left: 0\r\n };\r\n if ($$.updateSizeForLegend) {\r\n $$.updateSizeForLegend(legendHeight, legendWidth);\r\n }\r\n $$.width = $$.currentWidth - $$.margin.left - $$.margin.right;\r\n $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom;\r\n if ($$.width < 0) {\r\n $$.width = 0;\r\n }\r\n if ($$.height < 0) {\r\n $$.height = 0;\r\n }\r\n $$.width2 = config.axis_rotated\r\n ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right\r\n : $$.width;\r\n $$.height2 = config.axis_rotated\r\n ? $$.height\r\n : $$.currentHeight - $$.margin2.top - $$.margin2.bottom;\r\n if ($$.width2 < 0) {\r\n $$.width2 = 0;\r\n }\r\n if ($$.height2 < 0) {\r\n $$.height2 = 0;\r\n }\r\n // for arc\r\n $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0);\r\n $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10);\r\n if ($$.hasType('gauge') && !config.gauge_fullCircle) {\r\n $$.arcHeight += $$.height - $$.getGaugeLabelHeight();\r\n }\r\n if ($$.updateRadius) {\r\n $$.updateRadius();\r\n }\r\n if ($$.isLegendRight && hasArc) {\r\n $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;\r\n }\r\n };\r\n ChartInternal.prototype.updateTargets = function (targets) {\r\n var $$ = this, config = $$.config;\r\n /*-- Main --*/\r\n //-- Text --//\r\n $$.updateTargetsForText(targets);\r\n //-- Bar --//\r\n $$.updateTargetsForBar(targets);\r\n //-- Line --//\r\n $$.updateTargetsForLine(targets);\r\n //-- Arc --//\r\n if ($$.hasArcType() && $$.updateTargetsForArc) {\r\n $$.updateTargetsForArc(targets);\r\n }\r\n /*-- Sub --*/\r\n if (config.subchart_show && $$.updateTargetsForSubchart) {\r\n $$.updateTargetsForSubchart(targets);\r\n }\r\n // Fade-in each chart\r\n $$.showTargets();\r\n };\r\n ChartInternal.prototype.showTargets = function () {\r\n var $$ = this;\r\n $$.svg\r\n .selectAll('.' + CLASS.target)\r\n .filter(function (d) {\r\n return $$.isTargetToShow(d.id);\r\n })\r\n .transition()\r\n .duration($$.config.transition_duration)\r\n .style('opacity', 1);\r\n };\r\n ChartInternal.prototype.redraw = function (options, transitions) {\r\n var $$ = this, main = $$.main, d3 = $$.d3, config = $$.config;\r\n var areaIndices = $$.getShapeIndices($$.isAreaType), barIndices = $$.getShapeIndices($$.isBarType), lineIndices = $$.getShapeIndices($$.isLineType);\r\n var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis, withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend, withEventRect, withDimension, withUpdateXAxis;\r\n var hideAxis = $$.hasArcType();\r\n var drawArea, drawBar, drawLine, xForText, yForText;\r\n var duration, durationForExit, durationForAxis;\r\n var transitionsToWait, waitForDraw, flow, transition;\r\n var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling, xDomainForZoom;\r\n var xv = $$.xv.bind($$), cx, cy;\r\n options = options || {};\r\n withY = getOption(options, 'withY', true);\r\n withSubchart = getOption(options, 'withSubchart', true);\r\n withTransition = getOption(options, 'withTransition', true);\r\n withTransform = getOption(options, 'withTransform', false);\r\n withUpdateXDomain = getOption(options, 'withUpdateXDomain', false);\r\n withUpdateOrgXDomain = getOption(options, 'withUpdateOrgXDomain', false);\r\n withTrimXDomain = getOption(options, 'withTrimXDomain', true);\r\n withUpdateXAxis = getOption(options, 'withUpdateXAxis', withUpdateXDomain);\r\n withLegend = getOption(options, 'withLegend', false);\r\n withEventRect = getOption(options, 'withEventRect', true);\r\n withDimension = getOption(options, 'withDimension', true);\r\n withTransitionForExit = getOption(options, 'withTransitionForExit', withTransition);\r\n withTransitionForAxis = getOption(options, 'withTransitionForAxis', withTransition);\r\n duration = withTransition ? config.transition_duration : 0;\r\n durationForExit = withTransitionForExit ? duration : 0;\r\n durationForAxis = withTransitionForAxis ? duration : 0;\r\n transitions = transitions || $$.axis.generateTransitions(durationForAxis);\r\n // update legend and transform each g\r\n if (withLegend && config.legend_show) {\r\n $$.updateLegend($$.mapToIds($$.data.targets), options, transitions);\r\n }\r\n else if (withDimension) {\r\n // need to update dimension (e.g. axis.y.tick.values) because y tick values should change\r\n // no need to update axis in it because they will be updated in redraw()\r\n $$.updateDimension(true);\r\n }\r\n // MEMO: needed for grids calculation\r\n if ($$.isCategorized() && targetsToShow.length === 0) {\r\n $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]);\r\n }\r\n if (targetsToShow.length) {\r\n $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain);\r\n if (!config.axis_x_tick_values) {\r\n tickValues = $$.axis.updateXAxisTickValues(targetsToShow);\r\n }\r\n }\r\n else {\r\n $$.xAxis.tickValues([]);\r\n $$.subXAxis.tickValues([]);\r\n }\r\n if (config.zoom_rescale && !options.flow) {\r\n xDomainForZoom = $$.x.orgDomain();\r\n }\r\n $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom));\r\n $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom));\r\n if (!config.axis_y_tick_values && config.axis_y_tick_count) {\r\n $$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count));\r\n }\r\n if (!config.axis_y2_tick_values && config.axis_y2_tick_count) {\r\n $$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count));\r\n }\r\n // axes\r\n $$.axis.redraw(durationForAxis, hideAxis);\r\n // Update axis label\r\n $$.axis.updateLabels(withTransition);\r\n // show/hide if manual culling needed\r\n if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) {\r\n if (config.axis_x_tick_culling && tickValues) {\r\n for (i = 1; i < tickValues.length; i++) {\r\n if (tickValues.length / i < config.axis_x_tick_culling_max) {\r\n intervalForCulling = i;\r\n break;\r\n }\r\n }\r\n $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) {\r\n var index = tickValues.indexOf(e);\r\n if (index >= 0) {\r\n d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block');\r\n }\r\n });\r\n }\r\n else {\r\n $$.svg\r\n .selectAll('.' + CLASS.axisX + ' .tick text')\r\n .style('display', 'block');\r\n }\r\n }\r\n // setup drawer - MEMO: these must be called after axis updated\r\n drawArea = $$.generateDrawArea\r\n ? $$.generateDrawArea(areaIndices, false)\r\n : undefined;\r\n drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined;\r\n drawLine = $$.generateDrawLine\r\n ? $$.generateDrawLine(lineIndices, false)\r\n : undefined;\r\n xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);\r\n yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);\r\n // update circleY based on updated parameters\r\n $$.updateCircleY();\r\n // generate circle x/y functions depending on updated params\r\n cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);\r\n cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);\r\n // Update sub domain\r\n if (withY) {\r\n $$.subY.domain($$.getYDomain(targetsToShow, 'y'));\r\n $$.subY2.domain($$.getYDomain(targetsToShow, 'y2'));\r\n }\r\n // xgrid focus\r\n $$.updateXgridFocus();\r\n // Data empty label positioning and text.\r\n main\r\n .select('text.' + CLASS.text + '.' + CLASS.empty)\r\n .attr('x', $$.width / 2)\r\n .attr('y', $$.height / 2)\r\n .text(config.data_empty_label_text)\r\n .transition()\r\n .style('opacity', targetsToShow.length ? 0 : 1);\r\n // event rect\r\n if (withEventRect) {\r\n $$.redrawEventRect();\r\n }\r\n // grid\r\n $$.updateGrid(duration);\r\n $$.updateStanfordElements(duration);\r\n // rect for regions\r\n $$.updateRegion(duration);\r\n // bars\r\n $$.updateBar(durationForExit);\r\n // lines, areas and circles\r\n $$.updateLine(durationForExit);\r\n $$.updateArea(durationForExit);\r\n $$.updateCircle(cx, cy);\r\n // text\r\n if ($$.hasDataLabel()) {\r\n $$.updateText(xForText, yForText, durationForExit);\r\n }\r\n // title\r\n if ($$.redrawTitle) {\r\n $$.redrawTitle();\r\n }\r\n // arc\r\n if ($$.redrawArc) {\r\n $$.redrawArc(duration, durationForExit, withTransform);\r\n }\r\n // subchart\r\n if (config.subchart_show && $$.redrawSubchart) {\r\n $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices);\r\n }\r\n if ($$.isStanfordGraphType()) {\r\n $$.drawColorScale();\r\n }\r\n // circles for select\r\n main\r\n .selectAll('.' + CLASS.selectedCircles)\r\n .filter($$.isBarType.bind($$))\r\n .selectAll('circle')\r\n .remove();\r\n if (options.flow) {\r\n flow = $$.generateFlow({\r\n targets: targetsToShow,\r\n flow: options.flow,\r\n duration: options.flow.duration,\r\n drawBar: drawBar,\r\n drawLine: drawLine,\r\n drawArea: drawArea,\r\n cx: cx,\r\n cy: cy,\r\n xv: xv,\r\n xForText: xForText,\r\n yForText: yForText\r\n });\r\n }\r\n if (duration && $$.isTabVisible()) {\r\n // Only use transition if tab visible. See #938.\r\n // transition should be derived from one transition\r\n transition = d3.transition().duration(duration);\r\n transitionsToWait = [];\r\n [\r\n $$.redrawBar(drawBar, true, transition),\r\n $$.redrawLine(drawLine, true, transition),\r\n $$.redrawArea(drawArea, true, transition),\r\n $$.redrawCircle(cx, cy, true, transition),\r\n $$.redrawText(xForText, yForText, options.flow, true, transition),\r\n $$.redrawRegion(true, transition),\r\n $$.redrawGrid(true, transition)\r\n ].forEach(function (transitions) {\r\n transitions.forEach(function (transition) {\r\n transitionsToWait.push(transition);\r\n });\r\n });\r\n // Wait for end of transitions to call flow and onrendered callback\r\n waitForDraw = $$.generateWait();\r\n transitionsToWait.forEach(function (t) {\r\n waitForDraw.add(t);\r\n });\r\n waitForDraw(function () {\r\n if (flow) {\r\n flow();\r\n }\r\n if (config.onrendered) {\r\n config.onrendered.call($$);\r\n }\r\n });\r\n }\r\n else {\r\n $$.redrawBar(drawBar);\r\n $$.redrawLine(drawLine);\r\n $$.redrawArea(drawArea);\r\n $$.redrawCircle(cx, cy);\r\n $$.redrawText(xForText, yForText, options.flow);\r\n $$.redrawRegion();\r\n $$.redrawGrid();\r\n if (flow) {\r\n flow();\r\n }\r\n if (config.onrendered) {\r\n config.onrendered.call($$);\r\n }\r\n }\r\n // update fadein condition\r\n $$.mapToIds($$.data.targets).forEach(function (id) {\r\n $$.withoutFadeIn[id] = true;\r\n });\r\n };\r\n ChartInternal.prototype.updateAndRedraw = function (options) {\r\n var $$ = this, config = $$.config, transitions;\r\n options = options || {};\r\n // same with redraw\r\n options.withTransition = getOption(options, 'withTransition', true);\r\n options.withTransform = getOption(options, 'withTransform', false);\r\n options.withLegend = getOption(options, 'withLegend', false);\r\n // NOT same with redraw\r\n options.withUpdateXDomain = getOption(options, 'withUpdateXDomain', true);\r\n options.withUpdateOrgXDomain = getOption(options, 'withUpdateOrgXDomain', true);\r\n options.withTransitionForExit = false;\r\n options.withTransitionForTransform = getOption(options, 'withTransitionForTransform', options.withTransition);\r\n // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)\r\n $$.updateSizes();\r\n // MEMO: called in updateLegend in redraw if withLegend\r\n if (!(options.withLegend && config.legend_show)) {\r\n transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0);\r\n // Update scales\r\n $$.updateScales();\r\n $$.updateSvgSize();\r\n // Update g positions\r\n $$.transformAll(options.withTransitionForTransform, transitions);\r\n }\r\n // Draw with new sizes & scales\r\n $$.redraw(options, transitions);\r\n };\r\n ChartInternal.prototype.redrawWithoutRescale = function () {\r\n this.redraw({\r\n withY: false,\r\n withSubchart: false,\r\n withEventRect: false,\r\n withTransitionForAxis: false\r\n });\r\n };\r\n ChartInternal.prototype.isTimeSeries = function () {\r\n return this.config.axis_x_type === 'timeseries';\r\n };\r\n ChartInternal.prototype.isCategorized = function () {\r\n return this.config.axis_x_type.indexOf('categor') >= 0;\r\n };\r\n ChartInternal.prototype.isCustomX = function () {\r\n var $$ = this, config = $$.config;\r\n return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));\r\n };\r\n ChartInternal.prototype.isTimeSeriesY = function () {\r\n return this.config.axis_y_type === 'timeseries';\r\n };\r\n ChartInternal.prototype.getTranslate = function (target) {\r\n var $$ = this, config = $$.config, x, y;\r\n if (target === 'main') {\r\n x = asHalfPixel($$.margin.left);\r\n y = asHalfPixel($$.margin.top);\r\n }\r\n else if (target === 'context') {\r\n x = asHalfPixel($$.margin2.left);\r\n y = asHalfPixel($$.margin2.top);\r\n }\r\n else if (target === 'legend') {\r\n x = $$.margin3.left;\r\n y = $$.margin3.top;\r\n }\r\n else if (target === 'x') {\r\n x = 0;\r\n y = config.axis_rotated ? 0 : $$.height;\r\n }\r\n else if (target === 'y') {\r\n x = 0;\r\n y = config.axis_rotated ? $$.height : 0;\r\n }\r\n else if (target === 'y2') {\r\n x = config.axis_rotated ? 0 : $$.width;\r\n y = config.axis_rotated ? 1 : 0;\r\n }\r\n else if (target === 'subx') {\r\n x = 0;\r\n y = config.axis_rotated ? 0 : $$.height2;\r\n }\r\n else if (target === 'arc') {\r\n x = $$.arcWidth / 2;\r\n y = $$.arcHeight / 2 - ($$.hasType('gauge') ? 6 : 0); // to prevent wrong display of min and max label\r\n }\r\n return 'translate(' + x + ',' + y + ')';\r\n };\r\n ChartInternal.prototype.initialOpacity = function (d) {\r\n return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0;\r\n };\r\n ChartInternal.prototype.initialOpacityForCircle = function (d) {\r\n return d.value !== null && this.withoutFadeIn[d.id]\r\n ? this.opacityForCircle(d)\r\n : 0;\r\n };\r\n ChartInternal.prototype.opacityForCircle = function (d) {\r\n var isPointShouldBeShown = isFunction(this.config.point_show)\r\n ? this.config.point_show(d)\r\n : this.config.point_show;\r\n var opacity = isPointShouldBeShown || this.isStanfordType(d) ? 1 : 0;\r\n return isValue(d.value) ? (this.isScatterType(d) ? 0.5 : opacity) : 0;\r\n };\r\n ChartInternal.prototype.opacityForText = function () {\r\n return this.hasDataLabel() ? 1 : 0;\r\n };\r\n ChartInternal.prototype.xx = function (d) {\r\n return d ? this.x(d.x) : null;\r\n };\r\n ChartInternal.prototype.xvCustom = function (d, xyValue) {\r\n var $$ = this, value = xyValue ? d[xyValue] : d.value;\r\n if ($$.isTimeSeries()) {\r\n value = $$.parseDate(d.value);\r\n }\r\n else if ($$.isCategorized() && typeof d.value === 'string') {\r\n value = $$.config.axis_x_categories.indexOf(d.value);\r\n }\r\n return Math.ceil($$.x(value));\r\n };\r\n ChartInternal.prototype.yvCustom = function (d, xyValue) {\r\n var $$ = this, yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y, value = xyValue ? d[xyValue] : d.value;\r\n return Math.ceil(yScale(value));\r\n };\r\n ChartInternal.prototype.xv = function (d) {\r\n var $$ = this, value = d.value;\r\n if ($$.isTimeSeries()) {\r\n value = $$.parseDate(d.value);\r\n }\r\n else if ($$.isCategorized() && typeof d.value === 'string') {\r\n value = $$.config.axis_x_categories.indexOf(d.value);\r\n }\r\n return Math.ceil($$.x(value));\r\n };\r\n ChartInternal.prototype.yv = function (d) {\r\n var $$ = this, yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y;\r\n return Math.ceil(yScale(d.value));\r\n };\r\n ChartInternal.prototype.subxx = function (d) {\r\n return d ? this.subX(d.x) : null;\r\n };\r\n ChartInternal.prototype.transformMain = function (withTransition, transitions) {\r\n var $$ = this, xAxis, yAxis, y2Axis;\r\n if (transitions && transitions.axisX) {\r\n xAxis = transitions.axisX;\r\n }\r\n else {\r\n xAxis = $$.main.select('.' + CLASS.axisX);\r\n if (withTransition) {\r\n xAxis = xAxis.transition();\r\n }\r\n }\r\n if (transitions && transitions.axisY) {\r\n yAxis = transitions.axisY;\r\n }\r\n else {\r\n yAxis = $$.main.select('.' + CLASS.axisY);\r\n if (withTransition) {\r\n yAxis = yAxis.transition();\r\n }\r\n }\r\n if (transitions && transitions.axisY2) {\r\n y2Axis = transitions.axisY2;\r\n }\r\n else {\r\n y2Axis = $$.main.select('.' + CLASS.axisY2);\r\n if (withTransition) {\r\n y2Axis = y2Axis.transition();\r\n }\r\n }\r\n (withTransition ? $$.main.transition() : $$.main).attr('transform', $$.getTranslate('main'));\r\n xAxis.attr('transform', $$.getTranslate('x'));\r\n yAxis.attr('transform', $$.getTranslate('y'));\r\n y2Axis.attr('transform', $$.getTranslate('y2'));\r\n $$.main\r\n .select('.' + CLASS.chartArcs)\r\n .attr('transform', $$.getTranslate('arc'));\r\n };\r\n ChartInternal.prototype.transformAll = function (withTransition, transitions) {\r\n var $$ = this;\r\n $$.transformMain(withTransition, transitions);\r\n if ($$.config.subchart_show) {\r\n $$.transformContext(withTransition, transitions);\r\n }\r\n if ($$.legend) {\r\n $$.transformLegend(withTransition);\r\n }\r\n };\r\n ChartInternal.prototype.updateSvgSize = function () {\r\n var $$ = this, brush = $$.svg.select(\".\" + CLASS.brush + \" .overlay\");\r\n $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);\r\n $$.svg\r\n .selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid])\r\n .select('rect')\r\n .attr('width', $$.width)\r\n .attr('height', $$.height);\r\n $$.svg\r\n .select('#' + $$.clipIdForXAxis)\r\n .select('rect')\r\n .attr('x', $$.getXAxisClipX.bind($$))\r\n .attr('y', $$.getXAxisClipY.bind($$))\r\n .attr('width', $$.getXAxisClipWidth.bind($$))\r\n .attr('height', $$.getXAxisClipHeight.bind($$));\r\n $$.svg\r\n .select('#' + $$.clipIdForYAxis)\r\n .select('rect')\r\n .attr('x', $$.getYAxisClipX.bind($$))\r\n .attr('y', $$.getYAxisClipY.bind($$))\r\n .attr('width', $$.getYAxisClipWidth.bind($$))\r\n .attr('height', $$.getYAxisClipHeight.bind($$));\r\n $$.svg\r\n .select('#' + $$.clipIdForSubchart)\r\n .select('rect')\r\n .attr('width', $$.width)\r\n .attr('height', (brush.size() && brush.attr('height')) || 0);\r\n // MEMO: parent div's height will be bigger than svg when \r\n $$.selectChart.style('max-height', $$.currentHeight + 'px');\r\n };\r\n ChartInternal.prototype.updateDimension = function (withoutAxis) {\r\n var $$ = this;\r\n if (!withoutAxis) {\r\n if ($$.config.axis_rotated) {\r\n $$.axes.x.call($$.xAxis);\r\n $$.axes.subx.call($$.subXAxis);\r\n }\r\n else {\r\n $$.axes.y.call($$.yAxis);\r\n $$.axes.y2.call($$.y2Axis);\r\n }\r\n }\r\n $$.updateSizes();\r\n $$.updateScales();\r\n $$.updateSvgSize();\r\n $$.transformAll(false);\r\n };\r\n ChartInternal.prototype.observeInserted = function (selection) {\r\n var $$ = this, observer;\r\n if (typeof MutationObserver === 'undefined') {\r\n window.console.error('MutationObserver not defined.');\r\n return;\r\n }\r\n observer = new MutationObserver(function (mutations) {\r\n mutations.forEach(function (mutation) {\r\n if (mutation.type === 'childList' && mutation.previousSibling) {\r\n observer.disconnect();\r\n // need to wait for completion of load because size calculation requires the actual sizes determined after that completion\r\n $$.intervalForObserveInserted = window.setInterval(function () {\r\n // parentNode will NOT be null when completed\r\n if (selection.node().parentNode) {\r\n window.clearInterval($$.intervalForObserveInserted);\r\n $$.updateDimension();\r\n if ($$.brush) {\r\n $$.brush.update();\r\n }\r\n $$.config.oninit.call($$);\r\n $$.redraw({\r\n withTransform: true,\r\n withUpdateXDomain: true,\r\n withUpdateOrgXDomain: true,\r\n withTransition: false,\r\n withTransitionForTransform: false,\r\n withLegend: true\r\n });\r\n selection.transition().style('opacity', 1);\r\n }\r\n }, 10);\r\n }\r\n });\r\n });\r\n observer.observe(selection.node(), {\r\n attributes: true,\r\n childList: true,\r\n characterData: true\r\n });\r\n };\r\n /**\r\n * Binds handlers to the window resize event.\r\n */\r\n ChartInternal.prototype.bindResize = function () {\r\n var $$ = this, config = $$.config;\r\n $$.resizeFunction = $$.generateResize(); // need to call .remove\r\n $$.resizeFunction.add(function () {\r\n config.onresize.call($$);\r\n });\r\n if (config.resize_auto) {\r\n $$.resizeFunction.add(function () {\r\n if ($$.resizeTimeout !== undefined) {\r\n window.clearTimeout($$.resizeTimeout);\r\n }\r\n $$.resizeTimeout = window.setTimeout(function () {\r\n delete $$.resizeTimeout;\r\n $$.updateAndRedraw({\r\n withUpdateXDomain: false,\r\n withUpdateOrgXDomain: false,\r\n withTransition: false,\r\n withTransitionForTransform: false,\r\n withLegend: true\r\n });\r\n if ($$.brush) {\r\n $$.brush.update();\r\n }\r\n }, 100);\r\n });\r\n }\r\n $$.resizeFunction.add(function () {\r\n config.onresized.call($$);\r\n });\r\n $$.resizeIfElementDisplayed = function () {\r\n // if element not displayed skip it\r\n if ($$.api == null || !$$.api.element.offsetParent) {\r\n return;\r\n }\r\n $$.resizeFunction();\r\n };\r\n window.addEventListener('resize', $$.resizeIfElementDisplayed, false);\r\n };\r\n /**\r\n * Binds handlers to the window focus event.\r\n */\r\n ChartInternal.prototype.bindWindowFocus = function () {\r\n var _this = this;\r\n if (this.windowFocusHandler) {\r\n // The handler is already set\r\n return;\r\n }\r\n this.windowFocusHandler = function () {\r\n _this.redraw();\r\n };\r\n window.addEventListener('focus', this.windowFocusHandler);\r\n };\r\n /**\r\n * Unbinds from the window focus event.\r\n */\r\n ChartInternal.prototype.unbindWindowFocus = function () {\r\n window.removeEventListener('focus', this.windowFocusHandler);\r\n delete this.windowFocusHandler;\r\n };\r\n ChartInternal.prototype.generateResize = function () {\r\n var resizeFunctions = [];\r\n function callResizeFunctions() {\r\n resizeFunctions.forEach(function (f) {\r\n f();\r\n });\r\n }\r\n callResizeFunctions.add = function (f) {\r\n resizeFunctions.push(f);\r\n };\r\n callResizeFunctions.remove = function (f) {\r\n for (var i = 0; i < resizeFunctions.length; i++) {\r\n if (resizeFunctions[i] === f) {\r\n resizeFunctions.splice(i, 1);\r\n break;\r\n }\r\n }\r\n };\r\n return callResizeFunctions;\r\n };\r\n ChartInternal.prototype.endall = function (transition, callback) {\r\n var n = 0;\r\n transition\r\n .each(function () {\r\n ++n;\r\n })\r\n .on('end', function () {\r\n if (!--n) {\r\n callback.apply(this, arguments);\r\n }\r\n });\r\n };\r\n ChartInternal.prototype.generateWait = function () {\r\n var $$ = this;\r\n var transitionsToWait = [], f = function (callback) {\r\n var timer = setInterval(function () {\r\n if (!$$.isTabVisible()) {\r\n return;\r\n }\r\n var done = 0;\r\n transitionsToWait.forEach(function (t) {\r\n if (t.empty()) {\r\n done += 1;\r\n return;\r\n }\r\n try {\r\n t.transition();\r\n }\r\n catch (e) {\r\n done += 1;\r\n }\r\n });\r\n if (done === transitionsToWait.length) {\r\n clearInterval(timer);\r\n if (callback) {\r\n callback();\r\n }\r\n }\r\n }, 50);\r\n };\r\n f.add = function (transition) {\r\n transitionsToWait.push(transition);\r\n };\r\n return f;\r\n };\r\n ChartInternal.prototype.parseDate = function (date) {\r\n var $$ = this, parsedDate;\r\n if (date instanceof Date) {\r\n parsedDate = date;\r\n }\r\n else if (typeof date === 'string') {\r\n parsedDate = $$.dataTimeParse(date);\r\n }\r\n else if (typeof date === 'object') {\r\n parsedDate = new Date(+date);\r\n }\r\n else if (typeof date === 'number' && !isNaN(date)) {\r\n parsedDate = new Date(+date);\r\n }\r\n if (!parsedDate || isNaN(+parsedDate)) {\r\n window.console.error(\"Failed to parse x '\" + date + \"' to Date object\");\r\n }\r\n return parsedDate;\r\n };\r\n ChartInternal.prototype.isTabVisible = function () {\r\n return !document.hidden;\r\n };\r\n ChartInternal.prototype.getPathBox = getPathBox;\r\n ChartInternal.prototype.CLASS = CLASS;\n\n /* jshint ignore:start */\r\n (function () {\r\n if (!('SVGPathSeg' in window)) {\r\n // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg\r\n window.SVGPathSeg = function (type, typeAsLetter, owningPathSegList) {\r\n this.pathSegType = type;\r\n this.pathSegTypeAsLetter = typeAsLetter;\r\n this._owningPathSegList = owningPathSegList;\r\n };\r\n window.SVGPathSeg.prototype.classname = 'SVGPathSeg';\r\n window.SVGPathSeg.PATHSEG_UNKNOWN = 0;\r\n window.SVGPathSeg.PATHSEG_CLOSEPATH = 1;\r\n window.SVGPathSeg.PATHSEG_MOVETO_ABS = 2;\r\n window.SVGPathSeg.PATHSEG_MOVETO_REL = 3;\r\n window.SVGPathSeg.PATHSEG_LINETO_ABS = 4;\r\n window.SVGPathSeg.PATHSEG_LINETO_REL = 5;\r\n window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6;\r\n window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7;\r\n window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8;\r\n window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9;\r\n window.SVGPathSeg.PATHSEG_ARC_ABS = 10;\r\n window.SVGPathSeg.PATHSEG_ARC_REL = 11;\r\n window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12;\r\n window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13;\r\n window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14;\r\n window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15;\r\n window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16;\r\n window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17;\r\n window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18;\r\n window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19;\r\n // Notify owning PathSegList on any changes so they can be synchronized back to the path element.\r\n window.SVGPathSeg.prototype._segmentChanged = function () {\r\n if (this._owningPathSegList)\r\n this._owningPathSegList.segmentChanged(this);\r\n };\r\n window.SVGPathSegClosePath = function (owningPathSegList) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CLOSEPATH, 'z', owningPathSegList);\r\n };\r\n window.SVGPathSegClosePath.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegClosePath.prototype.toString = function () {\r\n return '[object SVGPathSegClosePath]';\r\n };\r\n window.SVGPathSegClosePath.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter;\r\n };\r\n window.SVGPathSegClosePath.prototype.clone = function () {\r\n return new window.SVGPathSegClosePath(undefined);\r\n };\r\n window.SVGPathSegMovetoAbs = function (owningPathSegList, x, y) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_ABS, 'M', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n };\r\n window.SVGPathSegMovetoAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegMovetoAbs.prototype.toString = function () {\r\n return '[object SVGPathSegMovetoAbs]';\r\n };\r\n window.SVGPathSegMovetoAbs.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;\r\n };\r\n window.SVGPathSegMovetoAbs.prototype.clone = function () {\r\n return new window.SVGPathSegMovetoAbs(undefined, this._x, this._y);\r\n };\r\n Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegMovetoAbs.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegMovetoRel = function (owningPathSegList, x, y) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_MOVETO_REL, 'm', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n };\r\n window.SVGPathSegMovetoRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegMovetoRel.prototype.toString = function () {\r\n return '[object SVGPathSegMovetoRel]';\r\n };\r\n window.SVGPathSegMovetoRel.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;\r\n };\r\n window.SVGPathSegMovetoRel.prototype.clone = function () {\r\n return new window.SVGPathSegMovetoRel(undefined, this._x, this._y);\r\n };\r\n Object.defineProperty(window.SVGPathSegMovetoRel.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegMovetoRel.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegLinetoAbs = function (owningPathSegList, x, y) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_ABS, 'L', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n };\r\n window.SVGPathSegLinetoAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegLinetoAbs.prototype.toString = function () {\r\n return '[object SVGPathSegLinetoAbs]';\r\n };\r\n window.SVGPathSegLinetoAbs.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;\r\n };\r\n window.SVGPathSegLinetoAbs.prototype.clone = function () {\r\n return new window.SVGPathSegLinetoAbs(undefined, this._x, this._y);\r\n };\r\n Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegLinetoAbs.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegLinetoRel = function (owningPathSegList, x, y) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_REL, 'l', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n };\r\n window.SVGPathSegLinetoRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegLinetoRel.prototype.toString = function () {\r\n return '[object SVGPathSegLinetoRel]';\r\n };\r\n window.SVGPathSegLinetoRel.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;\r\n };\r\n window.SVGPathSegLinetoRel.prototype.clone = function () {\r\n return new window.SVGPathSegLinetoRel(undefined, this._x, this._y);\r\n };\r\n Object.defineProperty(window.SVGPathSegLinetoRel.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegLinetoRel.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegCurvetoCubicAbs = function (owningPathSegList, x, y, x1, y1, x2, y2) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, 'C', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n this._x1 = x1;\r\n this._y1 = y1;\r\n this._x2 = x2;\r\n this._y2 = y2;\r\n };\r\n window.SVGPathSegCurvetoCubicAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegCurvetoCubicAbs.prototype.toString = function () {\r\n return '[object SVGPathSegCurvetoCubicAbs]';\r\n };\r\n window.SVGPathSegCurvetoCubicAbs.prototype._asPathString = function () {\r\n return (this.pathSegTypeAsLetter +\r\n ' ' +\r\n this._x1 +\r\n ' ' +\r\n this._y1 +\r\n ' ' +\r\n this._x2 +\r\n ' ' +\r\n this._y2 +\r\n ' ' +\r\n this._x +\r\n ' ' +\r\n this._y);\r\n };\r\n window.SVGPathSegCurvetoCubicAbs.prototype.clone = function () {\r\n return new window.SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);\r\n };\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, 'x1', {\r\n get: function () {\r\n return this._x1;\r\n },\r\n set: function (x1) {\r\n this._x1 = x1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, 'y1', {\r\n get: function () {\r\n return this._y1;\r\n },\r\n set: function (y1) {\r\n this._y1 = y1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, 'x2', {\r\n get: function () {\r\n return this._x2;\r\n },\r\n set: function (x2) {\r\n this._x2 = x2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicAbs.prototype, 'y2', {\r\n get: function () {\r\n return this._y2;\r\n },\r\n set: function (y2) {\r\n this._y2 = y2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegCurvetoCubicRel = function (owningPathSegList, x, y, x1, y1, x2, y2) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, 'c', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n this._x1 = x1;\r\n this._y1 = y1;\r\n this._x2 = x2;\r\n this._y2 = y2;\r\n };\r\n window.SVGPathSegCurvetoCubicRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegCurvetoCubicRel.prototype.toString = function () {\r\n return '[object SVGPathSegCurvetoCubicRel]';\r\n };\r\n window.SVGPathSegCurvetoCubicRel.prototype._asPathString = function () {\r\n return (this.pathSegTypeAsLetter +\r\n ' ' +\r\n this._x1 +\r\n ' ' +\r\n this._y1 +\r\n ' ' +\r\n this._x2 +\r\n ' ' +\r\n this._y2 +\r\n ' ' +\r\n this._x +\r\n ' ' +\r\n this._y);\r\n };\r\n window.SVGPathSegCurvetoCubicRel.prototype.clone = function () {\r\n return new window.SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2);\r\n };\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, 'x1', {\r\n get: function () {\r\n return this._x1;\r\n },\r\n set: function (x1) {\r\n this._x1 = x1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, 'y1', {\r\n get: function () {\r\n return this._y1;\r\n },\r\n set: function (y1) {\r\n this._y1 = y1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, 'x2', {\r\n get: function () {\r\n return this._x2;\r\n },\r\n set: function (x2) {\r\n this._x2 = x2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicRel.prototype, 'y2', {\r\n get: function () {\r\n return this._y2;\r\n },\r\n set: function (y2) {\r\n this._y2 = y2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegCurvetoQuadraticAbs = function (owningPathSegList, x, y, x1, y1) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, 'Q', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n this._x1 = x1;\r\n this._y1 = y1;\r\n };\r\n window.SVGPathSegCurvetoQuadraticAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegCurvetoQuadraticAbs.prototype.toString = function () {\r\n return '[object SVGPathSegCurvetoQuadraticAbs]';\r\n };\r\n window.SVGPathSegCurvetoQuadraticAbs.prototype._asPathString = function () {\r\n return (this.pathSegTypeAsLetter +\r\n ' ' +\r\n this._x1 +\r\n ' ' +\r\n this._y1 +\r\n ' ' +\r\n this._x +\r\n ' ' +\r\n this._y);\r\n };\r\n window.SVGPathSegCurvetoQuadraticAbs.prototype.clone = function () {\r\n return new window.SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1);\r\n };\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, 'x1', {\r\n get: function () {\r\n return this._x1;\r\n },\r\n set: function (x1) {\r\n this._x1 = x1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticAbs.prototype, 'y1', {\r\n get: function () {\r\n return this._y1;\r\n },\r\n set: function (y1) {\r\n this._y1 = y1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegCurvetoQuadraticRel = function (owningPathSegList, x, y, x1, y1) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, 'q', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n this._x1 = x1;\r\n this._y1 = y1;\r\n };\r\n window.SVGPathSegCurvetoQuadraticRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegCurvetoQuadraticRel.prototype.toString = function () {\r\n return '[object SVGPathSegCurvetoQuadraticRel]';\r\n };\r\n window.SVGPathSegCurvetoQuadraticRel.prototype._asPathString = function () {\r\n return (this.pathSegTypeAsLetter +\r\n ' ' +\r\n this._x1 +\r\n ' ' +\r\n this._y1 +\r\n ' ' +\r\n this._x +\r\n ' ' +\r\n this._y);\r\n };\r\n window.SVGPathSegCurvetoQuadraticRel.prototype.clone = function () {\r\n return new window.SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1);\r\n };\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, 'x1', {\r\n get: function () {\r\n return this._x1;\r\n },\r\n set: function (x1) {\r\n this._x1 = x1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticRel.prototype, 'y1', {\r\n get: function () {\r\n return this._y1;\r\n },\r\n set: function (y1) {\r\n this._y1 = y1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegArcAbs = function (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_ARC_ABS, 'A', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n this._r1 = r1;\r\n this._r2 = r2;\r\n this._angle = angle;\r\n this._largeArcFlag = largeArcFlag;\r\n this._sweepFlag = sweepFlag;\r\n };\r\n window.SVGPathSegArcAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegArcAbs.prototype.toString = function () {\r\n return '[object SVGPathSegArcAbs]';\r\n };\r\n window.SVGPathSegArcAbs.prototype._asPathString = function () {\r\n return (this.pathSegTypeAsLetter +\r\n ' ' +\r\n this._r1 +\r\n ' ' +\r\n this._r2 +\r\n ' ' +\r\n this._angle +\r\n ' ' +\r\n (this._largeArcFlag ? '1' : '0') +\r\n ' ' +\r\n (this._sweepFlag ? '1' : '0') +\r\n ' ' +\r\n this._x +\r\n ' ' +\r\n this._y);\r\n };\r\n window.SVGPathSegArcAbs.prototype.clone = function () {\r\n return new window.SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);\r\n };\r\n Object.defineProperty(window.SVGPathSegArcAbs.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcAbs.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcAbs.prototype, 'r1', {\r\n get: function () {\r\n return this._r1;\r\n },\r\n set: function (r1) {\r\n this._r1 = r1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcAbs.prototype, 'r2', {\r\n get: function () {\r\n return this._r2;\r\n },\r\n set: function (r2) {\r\n this._r2 = r2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcAbs.prototype, 'angle', {\r\n get: function () {\r\n return this._angle;\r\n },\r\n set: function (angle) {\r\n this._angle = angle;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcAbs.prototype, 'largeArcFlag', {\r\n get: function () {\r\n return this._largeArcFlag;\r\n },\r\n set: function (largeArcFlag) {\r\n this._largeArcFlag = largeArcFlag;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcAbs.prototype, 'sweepFlag', {\r\n get: function () {\r\n return this._sweepFlag;\r\n },\r\n set: function (sweepFlag) {\r\n this._sweepFlag = sweepFlag;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegArcRel = function (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_ARC_REL, 'a', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n this._r1 = r1;\r\n this._r2 = r2;\r\n this._angle = angle;\r\n this._largeArcFlag = largeArcFlag;\r\n this._sweepFlag = sweepFlag;\r\n };\r\n window.SVGPathSegArcRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegArcRel.prototype.toString = function () {\r\n return '[object SVGPathSegArcRel]';\r\n };\r\n window.SVGPathSegArcRel.prototype._asPathString = function () {\r\n return (this.pathSegTypeAsLetter +\r\n ' ' +\r\n this._r1 +\r\n ' ' +\r\n this._r2 +\r\n ' ' +\r\n this._angle +\r\n ' ' +\r\n (this._largeArcFlag ? '1' : '0') +\r\n ' ' +\r\n (this._sweepFlag ? '1' : '0') +\r\n ' ' +\r\n this._x +\r\n ' ' +\r\n this._y);\r\n };\r\n window.SVGPathSegArcRel.prototype.clone = function () {\r\n return new window.SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag);\r\n };\r\n Object.defineProperty(window.SVGPathSegArcRel.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcRel.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcRel.prototype, 'r1', {\r\n get: function () {\r\n return this._r1;\r\n },\r\n set: function (r1) {\r\n this._r1 = r1;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcRel.prototype, 'r2', {\r\n get: function () {\r\n return this._r2;\r\n },\r\n set: function (r2) {\r\n this._r2 = r2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcRel.prototype, 'angle', {\r\n get: function () {\r\n return this._angle;\r\n },\r\n set: function (angle) {\r\n this._angle = angle;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcRel.prototype, 'largeArcFlag', {\r\n get: function () {\r\n return this._largeArcFlag;\r\n },\r\n set: function (largeArcFlag) {\r\n this._largeArcFlag = largeArcFlag;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegArcRel.prototype, 'sweepFlag', {\r\n get: function () {\r\n return this._sweepFlag;\r\n },\r\n set: function (sweepFlag) {\r\n this._sweepFlag = sweepFlag;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegLinetoHorizontalAbs = function (owningPathSegList, x) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, 'H', owningPathSegList);\r\n this._x = x;\r\n };\r\n window.SVGPathSegLinetoHorizontalAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegLinetoHorizontalAbs.prototype.toString = function () {\r\n return '[object SVGPathSegLinetoHorizontalAbs]';\r\n };\r\n window.SVGPathSegLinetoHorizontalAbs.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._x;\r\n };\r\n window.SVGPathSegLinetoHorizontalAbs.prototype.clone = function () {\r\n return new window.SVGPathSegLinetoHorizontalAbs(undefined, this._x);\r\n };\r\n Object.defineProperty(window.SVGPathSegLinetoHorizontalAbs.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegLinetoHorizontalRel = function (owningPathSegList, x) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, 'h', owningPathSegList);\r\n this._x = x;\r\n };\r\n window.SVGPathSegLinetoHorizontalRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegLinetoHorizontalRel.prototype.toString = function () {\r\n return '[object SVGPathSegLinetoHorizontalRel]';\r\n };\r\n window.SVGPathSegLinetoHorizontalRel.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._x;\r\n };\r\n window.SVGPathSegLinetoHorizontalRel.prototype.clone = function () {\r\n return new window.SVGPathSegLinetoHorizontalRel(undefined, this._x);\r\n };\r\n Object.defineProperty(window.SVGPathSegLinetoHorizontalRel.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegLinetoVerticalAbs = function (owningPathSegList, y) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, 'V', owningPathSegList);\r\n this._y = y;\r\n };\r\n window.SVGPathSegLinetoVerticalAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegLinetoVerticalAbs.prototype.toString = function () {\r\n return '[object SVGPathSegLinetoVerticalAbs]';\r\n };\r\n window.SVGPathSegLinetoVerticalAbs.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._y;\r\n };\r\n window.SVGPathSegLinetoVerticalAbs.prototype.clone = function () {\r\n return new window.SVGPathSegLinetoVerticalAbs(undefined, this._y);\r\n };\r\n Object.defineProperty(window.SVGPathSegLinetoVerticalAbs.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegLinetoVerticalRel = function (owningPathSegList, y) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, 'v', owningPathSegList);\r\n this._y = y;\r\n };\r\n window.SVGPathSegLinetoVerticalRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegLinetoVerticalRel.prototype.toString = function () {\r\n return '[object SVGPathSegLinetoVerticalRel]';\r\n };\r\n window.SVGPathSegLinetoVerticalRel.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._y;\r\n };\r\n window.SVGPathSegLinetoVerticalRel.prototype.clone = function () {\r\n return new window.SVGPathSegLinetoVerticalRel(undefined, this._y);\r\n };\r\n Object.defineProperty(window.SVGPathSegLinetoVerticalRel.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegCurvetoCubicSmoothAbs = function (owningPathSegList, x, y, x2, y2) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, 'S', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n this._x2 = x2;\r\n this._y2 = y2;\r\n };\r\n window.SVGPathSegCurvetoCubicSmoothAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegCurvetoCubicSmoothAbs.prototype.toString = function () {\r\n return '[object SVGPathSegCurvetoCubicSmoothAbs]';\r\n };\r\n window.SVGPathSegCurvetoCubicSmoothAbs.prototype._asPathString = function () {\r\n return (this.pathSegTypeAsLetter +\r\n ' ' +\r\n this._x2 +\r\n ' ' +\r\n this._y2 +\r\n ' ' +\r\n this._x +\r\n ' ' +\r\n this._y);\r\n };\r\n window.SVGPathSegCurvetoCubicSmoothAbs.prototype.clone = function () {\r\n return new window.SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2);\r\n };\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, 'x2', {\r\n get: function () {\r\n return this._x2;\r\n },\r\n set: function (x2) {\r\n this._x2 = x2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothAbs.prototype, 'y2', {\r\n get: function () {\r\n return this._y2;\r\n },\r\n set: function (y2) {\r\n this._y2 = y2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegCurvetoCubicSmoothRel = function (owningPathSegList, x, y, x2, y2) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, 's', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n this._x2 = x2;\r\n this._y2 = y2;\r\n };\r\n window.SVGPathSegCurvetoCubicSmoothRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegCurvetoCubicSmoothRel.prototype.toString = function () {\r\n return '[object SVGPathSegCurvetoCubicSmoothRel]';\r\n };\r\n window.SVGPathSegCurvetoCubicSmoothRel.prototype._asPathString = function () {\r\n return (this.pathSegTypeAsLetter +\r\n ' ' +\r\n this._x2 +\r\n ' ' +\r\n this._y2 +\r\n ' ' +\r\n this._x +\r\n ' ' +\r\n this._y);\r\n };\r\n window.SVGPathSegCurvetoCubicSmoothRel.prototype.clone = function () {\r\n return new window.SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2);\r\n };\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, 'x2', {\r\n get: function () {\r\n return this._x2;\r\n },\r\n set: function (x2) {\r\n this._x2 = x2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoCubicSmoothRel.prototype, 'y2', {\r\n get: function () {\r\n return this._y2;\r\n },\r\n set: function (y2) {\r\n this._y2 = y2;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegCurvetoQuadraticSmoothAbs = function (owningPathSegList, x, y) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, 'T', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n };\r\n window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype.toString = function () {\r\n return '[object SVGPathSegCurvetoQuadraticSmoothAbs]';\r\n };\r\n window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;\r\n };\r\n window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype.clone = function () {\r\n return new window.SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y);\r\n };\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothAbs.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n window.SVGPathSegCurvetoQuadraticSmoothRel = function (owningPathSegList, x, y) {\r\n window.SVGPathSeg.call(this, window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, 't', owningPathSegList);\r\n this._x = x;\r\n this._y = y;\r\n };\r\n window.SVGPathSegCurvetoQuadraticSmoothRel.prototype = Object.create(window.SVGPathSeg.prototype);\r\n window.SVGPathSegCurvetoQuadraticSmoothRel.prototype.toString = function () {\r\n return '[object SVGPathSegCurvetoQuadraticSmoothRel]';\r\n };\r\n window.SVGPathSegCurvetoQuadraticSmoothRel.prototype._asPathString = function () {\r\n return this.pathSegTypeAsLetter + ' ' + this._x + ' ' + this._y;\r\n };\r\n window.SVGPathSegCurvetoQuadraticSmoothRel.prototype.clone = function () {\r\n return new window.SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y);\r\n };\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothRel.prototype, 'x', {\r\n get: function () {\r\n return this._x;\r\n },\r\n set: function (x) {\r\n this._x = x;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathSegCurvetoQuadraticSmoothRel.prototype, 'y', {\r\n get: function () {\r\n return this._y;\r\n },\r\n set: function (y) {\r\n this._y = y;\r\n this._segmentChanged();\r\n },\r\n enumerable: true\r\n });\r\n // Add createSVGPathSeg* functions to window.SVGPathElement.\r\n // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-Interfacewindow.SVGPathElement.\r\n window.SVGPathElement.prototype.createSVGPathSegClosePath = function () {\r\n return new window.SVGPathSegClosePath(undefined);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) {\r\n return new window.SVGPathSegMovetoAbs(undefined, x, y);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) {\r\n return new window.SVGPathSegMovetoRel(undefined, x, y);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) {\r\n return new window.SVGPathSegLinetoAbs(undefined, x, y);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) {\r\n return new window.SVGPathSegLinetoRel(undefined, x, y);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) {\r\n return new window.SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) {\r\n return new window.SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) {\r\n return new window.SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) {\r\n return new window.SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\r\n return new window.SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) {\r\n return new window.SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) {\r\n return new window.SVGPathSegLinetoHorizontalAbs(undefined, x);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) {\r\n return new window.SVGPathSegLinetoHorizontalRel(undefined, x);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) {\r\n return new window.SVGPathSegLinetoVerticalAbs(undefined, y);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) {\r\n return new window.SVGPathSegLinetoVerticalRel(undefined, y);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) {\r\n return new window.SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) {\r\n return new window.SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) {\r\n return new window.SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y);\r\n };\r\n window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) {\r\n return new window.SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y);\r\n };\r\n if (!('getPathSegAtLength' in window.SVGPathElement.prototype)) {\r\n // Add getPathSegAtLength to SVGPathElement.\r\n // Spec: https://www.w3.org/TR/SVG11/single-page.html#paths-__svg__SVGPathElement__getPathSegAtLength\r\n // This polyfill requires SVGPathElement.getTotalLength to implement the distance-along-a-path algorithm.\r\n window.SVGPathElement.prototype.getPathSegAtLength = function (distance) {\r\n if (distance === undefined || !isFinite(distance))\r\n throw 'Invalid arguments.';\r\n var measurementElement = document.createElementNS('http://www.w3.org/2000/svg', 'path');\r\n measurementElement.setAttribute('d', this.getAttribute('d'));\r\n var lastPathSegment = measurementElement.pathSegList.numberOfItems - 1;\r\n // If the path is empty, return 0.\r\n if (lastPathSegment <= 0)\r\n return 0;\r\n do {\r\n measurementElement.pathSegList.removeItem(lastPathSegment);\r\n if (distance > measurementElement.getTotalLength())\r\n break;\r\n lastPathSegment--;\r\n } while (lastPathSegment > 0);\r\n return lastPathSegment;\r\n };\r\n }\r\n }\r\n if (!('SVGPathSegList' in window)) {\r\n // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList\r\n window.SVGPathSegList = function (pathElement) {\r\n this._pathElement = pathElement;\r\n this._list = this._parsePath(this._pathElement.getAttribute('d'));\r\n // Use a MutationObserver to catch changes to the path's \"d\" attribute.\r\n this._mutationObserverConfig = {\r\n attributes: true,\r\n attributeFilter: ['d']\r\n };\r\n this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this));\r\n this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\r\n };\r\n window.SVGPathSegList.prototype.classname = 'SVGPathSegList';\r\n Object.defineProperty(window.SVGPathSegList.prototype, 'numberOfItems', {\r\n get: function () {\r\n this._checkPathSynchronizedToList();\r\n return this._list.length;\r\n },\r\n enumerable: true\r\n });\r\n // Add the pathSegList accessors to window.SVGPathElement.\r\n // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData\r\n Object.defineProperty(window.SVGPathElement.prototype, 'pathSegList', {\r\n get: function () {\r\n if (!this._pathSegList)\r\n this._pathSegList = new window.SVGPathSegList(this);\r\n return this._pathSegList;\r\n },\r\n enumerable: true\r\n });\r\n // FIXME: The following are not implemented and simply return window.SVGPathElement.pathSegList.\r\n Object.defineProperty(window.SVGPathElement.prototype, 'normalizedPathSegList', {\r\n get: function () {\r\n return this.pathSegList;\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathElement.prototype, 'animatedPathSegList', {\r\n get: function () {\r\n return this.pathSegList;\r\n },\r\n enumerable: true\r\n });\r\n Object.defineProperty(window.SVGPathElement.prototype, 'animatedNormalizedPathSegList', {\r\n get: function () {\r\n return this.pathSegList;\r\n },\r\n enumerable: true\r\n });\r\n // Process any pending mutations to the path element and update the list as needed.\r\n // This should be the first call of all public functions and is needed because\r\n // MutationObservers are not synchronous so we can have pending asynchronous mutations.\r\n window.SVGPathSegList.prototype._checkPathSynchronizedToList = function () {\r\n this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords());\r\n };\r\n window.SVGPathSegList.prototype._updateListFromPathMutations = function (mutationRecords) {\r\n if (!this._pathElement)\r\n return;\r\n var hasPathMutations = false;\r\n mutationRecords.forEach(function (record) {\r\n if (record.attributeName == 'd')\r\n hasPathMutations = true;\r\n });\r\n if (hasPathMutations)\r\n this._list = this._parsePath(this._pathElement.getAttribute('d'));\r\n };\r\n // Serialize the list and update the path's 'd' attribute.\r\n window.SVGPathSegList.prototype._writeListToPath = function () {\r\n this._pathElementMutationObserver.disconnect();\r\n this._pathElement.setAttribute('d', window.SVGPathSegList._pathSegArrayAsString(this._list));\r\n this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig);\r\n };\r\n // When a path segment changes the list needs to be synchronized back to the path element.\r\n window.SVGPathSegList.prototype.segmentChanged = function (pathSeg) {\r\n this._writeListToPath();\r\n };\r\n window.SVGPathSegList.prototype.clear = function () {\r\n this._checkPathSynchronizedToList();\r\n this._list.forEach(function (pathSeg) {\r\n pathSeg._owningPathSegList = null;\r\n });\r\n this._list = [];\r\n this._writeListToPath();\r\n };\r\n window.SVGPathSegList.prototype.initialize = function (newItem) {\r\n this._checkPathSynchronizedToList();\r\n this._list = [newItem];\r\n newItem._owningPathSegList = this;\r\n this._writeListToPath();\r\n return newItem;\r\n };\r\n window.SVGPathSegList.prototype._checkValidIndex = function (index) {\r\n if (isNaN(index) || index < 0 || index >= this.numberOfItems)\r\n throw 'INDEX_SIZE_ERR';\r\n };\r\n window.SVGPathSegList.prototype.getItem = function (index) {\r\n this._checkPathSynchronizedToList();\r\n this._checkValidIndex(index);\r\n return this._list[index];\r\n };\r\n window.SVGPathSegList.prototype.insertItemBefore = function (newItem, index) {\r\n this._checkPathSynchronizedToList();\r\n // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list.\r\n if (index > this.numberOfItems)\r\n index = this.numberOfItems;\r\n if (newItem._owningPathSegList) {\r\n // SVG2 spec says to make a copy.\r\n newItem = newItem.clone();\r\n }\r\n this._list.splice(index, 0, newItem);\r\n newItem._owningPathSegList = this;\r\n this._writeListToPath();\r\n return newItem;\r\n };\r\n window.SVGPathSegList.prototype.replaceItem = function (newItem, index) {\r\n this._checkPathSynchronizedToList();\r\n if (newItem._owningPathSegList) {\r\n // SVG2 spec says to make a copy.\r\n newItem = newItem.clone();\r\n }\r\n this._checkValidIndex(index);\r\n this._list[index] = newItem;\r\n newItem._owningPathSegList = this;\r\n this._writeListToPath();\r\n return newItem;\r\n };\r\n window.SVGPathSegList.prototype.removeItem = function (index) {\r\n this._checkPathSynchronizedToList();\r\n this._checkValidIndex(index);\r\n var item = this._list[index];\r\n this._list.splice(index, 1);\r\n this._writeListToPath();\r\n return item;\r\n };\r\n window.SVGPathSegList.prototype.appendItem = function (newItem) {\r\n this._checkPathSynchronizedToList();\r\n if (newItem._owningPathSegList) {\r\n // SVG2 spec says to make a copy.\r\n newItem = newItem.clone();\r\n }\r\n this._list.push(newItem);\r\n newItem._owningPathSegList = this;\r\n // TODO: Optimize this to just append to the existing attribute.\r\n this._writeListToPath();\r\n return newItem;\r\n };\r\n window.SVGPathSegList._pathSegArrayAsString = function (pathSegArray) {\r\n var string = '';\r\n var first = true;\r\n pathSegArray.forEach(function (pathSeg) {\r\n if (first) {\r\n first = false;\r\n string += pathSeg._asPathString();\r\n }\r\n else {\r\n string += ' ' + pathSeg._asPathString();\r\n }\r\n });\r\n return string;\r\n };\r\n // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp.\r\n window.SVGPathSegList.prototype._parsePath = function (string) {\r\n if (!string || string.length == 0)\r\n return [];\r\n var owningPathSegList = this;\r\n var Builder = function () {\r\n this.pathSegList = [];\r\n };\r\n Builder.prototype.appendSegment = function (pathSeg) {\r\n this.pathSegList.push(pathSeg);\r\n };\r\n var Source = function (string) {\r\n this._string = string;\r\n this._currentIndex = 0;\r\n this._endIndex = this._string.length;\r\n this._previousCommand = window.SVGPathSeg.PATHSEG_UNKNOWN;\r\n this._skipOptionalSpaces();\r\n };\r\n Source.prototype._isCurrentSpace = function () {\r\n var character = this._string[this._currentIndex];\r\n return (character <= ' ' &&\r\n (character == ' ' ||\r\n character == '\\n' ||\r\n character == '\\t' ||\r\n character == '\\r' ||\r\n character == '\\f'));\r\n };\r\n Source.prototype._skipOptionalSpaces = function () {\r\n while (this._currentIndex < this._endIndex && this._isCurrentSpace())\r\n this._currentIndex++;\r\n return this._currentIndex < this._endIndex;\r\n };\r\n Source.prototype._skipOptionalSpacesOrDelimiter = function () {\r\n if (this._currentIndex < this._endIndex &&\r\n !this._isCurrentSpace() &&\r\n this._string.charAt(this._currentIndex) != ',')\r\n return false;\r\n if (this._skipOptionalSpaces()) {\r\n if (this._currentIndex < this._endIndex &&\r\n this._string.charAt(this._currentIndex) == ',') {\r\n this._currentIndex++;\r\n this._skipOptionalSpaces();\r\n }\r\n }\r\n return this._currentIndex < this._endIndex;\r\n };\r\n Source.prototype.hasMoreData = function () {\r\n return this._currentIndex < this._endIndex;\r\n };\r\n Source.prototype.peekSegmentType = function () {\r\n var lookahead = this._string[this._currentIndex];\r\n return this._pathSegTypeFromChar(lookahead);\r\n };\r\n Source.prototype._pathSegTypeFromChar = function (lookahead) {\r\n switch (lookahead) {\r\n case 'Z':\r\n case 'z':\r\n return window.SVGPathSeg.PATHSEG_CLOSEPATH;\r\n case 'M':\r\n return window.SVGPathSeg.PATHSEG_MOVETO_ABS;\r\n case 'm':\r\n return window.SVGPathSeg.PATHSEG_MOVETO_REL;\r\n case 'L':\r\n return window.SVGPathSeg.PATHSEG_LINETO_ABS;\r\n case 'l':\r\n return window.SVGPathSeg.PATHSEG_LINETO_REL;\r\n case 'C':\r\n return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;\r\n case 'c':\r\n return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;\r\n case 'Q':\r\n return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;\r\n case 'q':\r\n return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;\r\n case 'A':\r\n return window.SVGPathSeg.PATHSEG_ARC_ABS;\r\n case 'a':\r\n return window.SVGPathSeg.PATHSEG_ARC_REL;\r\n case 'H':\r\n return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;\r\n case 'h':\r\n return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;\r\n case 'V':\r\n return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;\r\n case 'v':\r\n return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;\r\n case 'S':\r\n return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;\r\n case 's':\r\n return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;\r\n case 'T':\r\n return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;\r\n case 't':\r\n return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;\r\n default:\r\n return window.SVGPathSeg.PATHSEG_UNKNOWN;\r\n }\r\n };\r\n Source.prototype._nextCommandHelper = function (lookahead, previousCommand) {\r\n // Check for remaining coordinates in the current command.\r\n if ((lookahead == '+' ||\r\n lookahead == '-' ||\r\n lookahead == '.' ||\r\n (lookahead >= '0' && lookahead <= '9')) &&\r\n previousCommand != window.SVGPathSeg.PATHSEG_CLOSEPATH) {\r\n if (previousCommand == window.SVGPathSeg.PATHSEG_MOVETO_ABS)\r\n return window.SVGPathSeg.PATHSEG_LINETO_ABS;\r\n if (previousCommand == window.SVGPathSeg.PATHSEG_MOVETO_REL)\r\n return window.SVGPathSeg.PATHSEG_LINETO_REL;\r\n return previousCommand;\r\n }\r\n return window.SVGPathSeg.PATHSEG_UNKNOWN;\r\n };\r\n Source.prototype.initialCommandIsMoveTo = function () {\r\n // If the path is empty it is still valid, so return true.\r\n if (!this.hasMoreData())\r\n return true;\r\n var command = this.peekSegmentType();\r\n // Path must start with moveTo.\r\n return (command == window.SVGPathSeg.PATHSEG_MOVETO_ABS ||\r\n command == window.SVGPathSeg.PATHSEG_MOVETO_REL);\r\n };\r\n // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp.\r\n // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF\r\n Source.prototype._parseNumber = function () {\r\n var exponent = 0;\r\n var integer = 0;\r\n var frac = 1;\r\n var decimal = 0;\r\n var sign = 1;\r\n var expsign = 1;\r\n var startIndex = this._currentIndex;\r\n this._skipOptionalSpaces();\r\n // Read the sign.\r\n if (this._currentIndex < this._endIndex &&\r\n this._string.charAt(this._currentIndex) == '+')\r\n this._currentIndex++;\r\n else if (this._currentIndex < this._endIndex &&\r\n this._string.charAt(this._currentIndex) == '-') {\r\n this._currentIndex++;\r\n sign = -1;\r\n }\r\n if (this._currentIndex == this._endIndex ||\r\n ((this._string.charAt(this._currentIndex) < '0' ||\r\n this._string.charAt(this._currentIndex) > '9') &&\r\n this._string.charAt(this._currentIndex) != '.'))\r\n // The first character of a number must be one of [0-9+-.].\r\n return undefined;\r\n // Read the integer part, build right-to-left.\r\n var startIntPartIndex = this._currentIndex;\r\n while (this._currentIndex < this._endIndex &&\r\n this._string.charAt(this._currentIndex) >= '0' &&\r\n this._string.charAt(this._currentIndex) <= '9')\r\n this._currentIndex++; // Advance to first non-digit.\r\n if (this._currentIndex != startIntPartIndex) {\r\n var scanIntPartIndex = this._currentIndex - 1;\r\n var multiplier = 1;\r\n while (scanIntPartIndex >= startIntPartIndex) {\r\n integer +=\r\n multiplier * (this._string.charAt(scanIntPartIndex--) - '0');\r\n multiplier *= 10;\r\n }\r\n }\r\n // Read the decimals.\r\n if (this._currentIndex < this._endIndex &&\r\n this._string.charAt(this._currentIndex) == '.') {\r\n this._currentIndex++;\r\n // There must be a least one digit following the .\r\n if (this._currentIndex >= this._endIndex ||\r\n this._string.charAt(this._currentIndex) < '0' ||\r\n this._string.charAt(this._currentIndex) > '9')\r\n return undefined;\r\n while (this._currentIndex < this._endIndex &&\r\n this._string.charAt(this._currentIndex) >= '0' &&\r\n this._string.charAt(this._currentIndex) <= '9') {\r\n frac *= 10;\r\n decimal += (this._string.charAt(this._currentIndex) - '0') / frac;\r\n this._currentIndex += 1;\r\n }\r\n }\r\n // Read the exponent part.\r\n if (this._currentIndex != startIndex &&\r\n this._currentIndex + 1 < this._endIndex &&\r\n (this._string.charAt(this._currentIndex) == 'e' ||\r\n this._string.charAt(this._currentIndex) == 'E') &&\r\n this._string.charAt(this._currentIndex + 1) != 'x' &&\r\n this._string.charAt(this._currentIndex + 1) != 'm') {\r\n this._currentIndex++;\r\n // Read the sign of the exponent.\r\n if (this._string.charAt(this._currentIndex) == '+') {\r\n this._currentIndex++;\r\n }\r\n else if (this._string.charAt(this._currentIndex) == '-') {\r\n this._currentIndex++;\r\n expsign = -1;\r\n }\r\n // There must be an exponent.\r\n if (this._currentIndex >= this._endIndex ||\r\n this._string.charAt(this._currentIndex) < '0' ||\r\n this._string.charAt(this._currentIndex) > '9')\r\n return undefined;\r\n while (this._currentIndex < this._endIndex &&\r\n this._string.charAt(this._currentIndex) >= '0' &&\r\n this._string.charAt(this._currentIndex) <= '9') {\r\n exponent *= 10;\r\n exponent += this._string.charAt(this._currentIndex) - '0';\r\n this._currentIndex++;\r\n }\r\n }\r\n var number = integer + decimal;\r\n number *= sign;\r\n if (exponent)\r\n number *= Math.pow(10, expsign * exponent);\r\n if (startIndex == this._currentIndex)\r\n return undefined;\r\n this._skipOptionalSpacesOrDelimiter();\r\n return number;\r\n };\r\n Source.prototype._parseArcFlag = function () {\r\n if (this._currentIndex >= this._endIndex)\r\n return undefined;\r\n var flag = false;\r\n var flagChar = this._string.charAt(this._currentIndex++);\r\n if (flagChar == '0')\r\n flag = false;\r\n else if (flagChar == '1')\r\n flag = true;\r\n else\r\n return undefined;\r\n this._skipOptionalSpacesOrDelimiter();\r\n return flag;\r\n };\r\n Source.prototype.parseSegment = function () {\r\n var lookahead = this._string[this._currentIndex];\r\n var command = this._pathSegTypeFromChar(lookahead);\r\n if (command == window.SVGPathSeg.PATHSEG_UNKNOWN) {\r\n // Possibly an implicit command. Not allowed if this is the first command.\r\n if (this._previousCommand == window.SVGPathSeg.PATHSEG_UNKNOWN)\r\n return null;\r\n command = this._nextCommandHelper(lookahead, this._previousCommand);\r\n if (command == window.SVGPathSeg.PATHSEG_UNKNOWN)\r\n return null;\r\n }\r\n else {\r\n this._currentIndex++;\r\n }\r\n this._previousCommand = command;\r\n switch (command) {\r\n case window.SVGPathSeg.PATHSEG_MOVETO_REL:\r\n return new window.SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_MOVETO_ABS:\r\n return new window.SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_LINETO_REL:\r\n return new window.SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_LINETO_ABS:\r\n return new window.SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:\r\n return new window.SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:\r\n return new window.SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:\r\n return new window.SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:\r\n return new window.SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_CLOSEPATH:\r\n this._skipOptionalSpaces();\r\n return new window.SVGPathSegClosePath(owningPathSegList);\r\n case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:\r\n var points = {\r\n x1: this._parseNumber(),\r\n y1: this._parseNumber(),\r\n x2: this._parseNumber(),\r\n y2: this._parseNumber(),\r\n x: this._parseNumber(),\r\n y: this._parseNumber()\r\n };\r\n return new window.SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\r\n case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:\r\n var points = {\r\n x1: this._parseNumber(),\r\n y1: this._parseNumber(),\r\n x2: this._parseNumber(),\r\n y2: this._parseNumber(),\r\n x: this._parseNumber(),\r\n y: this._parseNumber()\r\n };\r\n return new window.SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2);\r\n case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:\r\n var points = {\r\n x2: this._parseNumber(),\r\n y2: this._parseNumber(),\r\n x: this._parseNumber(),\r\n y: this._parseNumber()\r\n };\r\n return new window.SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2);\r\n case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:\r\n var points = {\r\n x2: this._parseNumber(),\r\n y2: this._parseNumber(),\r\n x: this._parseNumber(),\r\n y: this._parseNumber()\r\n };\r\n return new window.SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2);\r\n case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:\r\n var points = {\r\n x1: this._parseNumber(),\r\n y1: this._parseNumber(),\r\n x: this._parseNumber(),\r\n y: this._parseNumber()\r\n };\r\n return new window.SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1);\r\n case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:\r\n var points = {\r\n x1: this._parseNumber(),\r\n y1: this._parseNumber(),\r\n x: this._parseNumber(),\r\n y: this._parseNumber()\r\n };\r\n return new window.SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1);\r\n case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:\r\n return new window.SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:\r\n return new window.SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber());\r\n case window.SVGPathSeg.PATHSEG_ARC_REL:\r\n var points = {\r\n x1: this._parseNumber(),\r\n y1: this._parseNumber(),\r\n arcAngle: this._parseNumber(),\r\n arcLarge: this._parseArcFlag(),\r\n arcSweep: this._parseArcFlag(),\r\n x: this._parseNumber(),\r\n y: this._parseNumber()\r\n };\r\n return new window.SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\r\n case window.SVGPathSeg.PATHSEG_ARC_ABS:\r\n var points = {\r\n x1: this._parseNumber(),\r\n y1: this._parseNumber(),\r\n arcAngle: this._parseNumber(),\r\n arcLarge: this._parseArcFlag(),\r\n arcSweep: this._parseArcFlag(),\r\n x: this._parseNumber(),\r\n y: this._parseNumber()\r\n };\r\n return new window.SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep);\r\n default:\r\n throw 'Unknown path seg type.';\r\n }\r\n };\r\n var builder = new Builder();\r\n var source = new Source(string);\r\n if (!source.initialCommandIsMoveTo())\r\n return [];\r\n while (source.hasMoreData()) {\r\n var pathSeg = source.parseSegment();\r\n if (!pathSeg)\r\n return [];\r\n builder.appendSegment(pathSeg);\r\n }\r\n return builder.pathSegList;\r\n };\r\n }\r\n })();\r\n // String.padEnd polyfill for IE11\r\n //\r\n // https://github.com/uxitten/polyfill/blob/master/string.polyfill.js\r\n // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padEnd\r\n if (!String.prototype.padEnd) {\r\n String.prototype.padEnd = function padEnd(targetLength, padString) {\r\n targetLength = targetLength >> 0; //floor if number or convert non-number to 0;\r\n padString = String(typeof padString !== 'undefined' ? padString : ' ');\r\n if (this.length > targetLength) {\r\n return String(this);\r\n }\r\n else {\r\n targetLength = targetLength - this.length;\r\n if (targetLength > padString.length) {\r\n padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed\r\n }\r\n return String(this) + padString.slice(0, targetLength);\r\n }\r\n };\r\n }\r\n // Object.assign polyfill for IE11\r\n // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Polyfill\r\n if (typeof Object.assign !== 'function') {\r\n // Must be writable: true, enumerable: false, configurable: true\r\n Object.defineProperty(Object, 'assign', {\r\n value: function assign(target, varArgs) {\r\n if (target === null || target === undefined) {\r\n throw new TypeError('Cannot convert undefined or null to object');\r\n }\r\n var to = Object(target);\r\n for (var index = 1; index < arguments.length; index++) {\r\n var nextSource = arguments[index];\r\n if (nextSource !== null && nextSource !== undefined) {\r\n for (var nextKey in nextSource) {\r\n // Avoid bugs when hasOwnProperty is shadowed\r\n if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {\r\n to[nextKey] = nextSource[nextKey];\r\n }\r\n }\r\n }\r\n }\r\n return to;\r\n },\r\n writable: true,\r\n configurable: true\r\n });\r\n }\r\n /* jshint ignore:end */\n\n Chart.prototype.axis = function () { };\r\n Chart.prototype.axis.labels = function (labels) {\r\n var $$ = this.internal;\r\n if (arguments.length) {\r\n Object.keys(labels).forEach(function (axisId) {\r\n $$.axis.setLabelText(axisId, labels[axisId]);\r\n });\r\n $$.axis.updateLabels();\r\n }\r\n // TODO: return some values?\r\n };\r\n Chart.prototype.axis.max = function (max) {\r\n var $$ = this.internal, config = $$.config;\r\n if (arguments.length) {\r\n if (typeof max === 'object') {\r\n if (isValue(max.x)) {\r\n config.axis_x_max = max.x;\r\n }\r\n if (isValue(max.y)) {\r\n config.axis_y_max = max.y;\r\n }\r\n if (isValue(max.y2)) {\r\n config.axis_y2_max = max.y2;\r\n }\r\n }\r\n else {\r\n config.axis_y_max = config.axis_y2_max = max;\r\n }\r\n $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });\r\n }\r\n else {\r\n return {\r\n x: config.axis_x_max,\r\n y: config.axis_y_max,\r\n y2: config.axis_y2_max\r\n };\r\n }\r\n };\r\n Chart.prototype.axis.min = function (min) {\r\n var $$ = this.internal, config = $$.config;\r\n if (arguments.length) {\r\n if (typeof min === 'object') {\r\n if (isValue(min.x)) {\r\n config.axis_x_min = min.x;\r\n }\r\n if (isValue(min.y)) {\r\n config.axis_y_min = min.y;\r\n }\r\n if (isValue(min.y2)) {\r\n config.axis_y2_min = min.y2;\r\n }\r\n }\r\n else {\r\n config.axis_y_min = config.axis_y2_min = min;\r\n }\r\n $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });\r\n }\r\n else {\r\n return {\r\n x: config.axis_x_min,\r\n y: config.axis_y_min,\r\n y2: config.axis_y2_min\r\n };\r\n }\r\n };\r\n Chart.prototype.axis.range = function (range) {\r\n if (arguments.length) {\r\n if (isDefined(range.max)) {\r\n this.axis.max(range.max);\r\n }\r\n if (isDefined(range.min)) {\r\n this.axis.min(range.min);\r\n }\r\n }\r\n else {\r\n return {\r\n max: this.axis.max(),\r\n min: this.axis.min()\r\n };\r\n }\r\n };\r\n Chart.prototype.axis.types = function (types) {\r\n var $$ = this.internal;\r\n if (types === undefined) {\r\n return {\r\n y: $$.config.axis_y_type,\r\n y2: $$.config.axis_y2_type\r\n };\r\n }\r\n else {\r\n if (isDefined(types.y)) {\r\n $$.config.axis_y_type = types.y;\r\n }\r\n if (isDefined(types.y2)) {\r\n $$.config.axis_y2_type = types.y2;\r\n }\r\n $$.updateScales();\r\n $$.redraw();\r\n }\r\n };\n\n Chart.prototype.category = function (i, category) {\r\n var $$ = this.internal, config = $$.config;\r\n if (arguments.length > 1) {\r\n config.axis_x_categories[i] = category;\r\n $$.redraw();\r\n }\r\n return config.axis_x_categories[i];\r\n };\r\n Chart.prototype.categories = function (categories) {\r\n var $$ = this.internal, config = $$.config;\r\n if (!arguments.length) {\r\n return config.axis_x_categories;\r\n }\r\n config.axis_x_categories = categories;\r\n $$.redraw();\r\n return config.axis_x_categories;\r\n };\n\n Chart.prototype.resize = function (size) {\r\n var $$ = this.internal, config = $$.config;\r\n config.size_width = size ? size.width : null;\r\n config.size_height = size ? size.height : null;\r\n this.flush();\r\n };\r\n Chart.prototype.flush = function () {\r\n var $$ = this.internal;\r\n $$.updateAndRedraw({\r\n withLegend: true,\r\n withTransition: false,\r\n withTransitionForTransform: false\r\n });\r\n };\r\n Chart.prototype.destroy = function () {\r\n var $$ = this.internal;\r\n window.clearInterval($$.intervalForObserveInserted);\r\n if ($$.resizeTimeout !== undefined) {\r\n window.clearTimeout($$.resizeTimeout);\r\n }\r\n window.removeEventListener('resize', $$.resizeIfElementDisplayed);\r\n // Removes the inner resize functions\r\n $$.resizeFunction.remove();\r\n // Unbinds from the window focus event\r\n $$.unbindWindowFocus();\r\n $$.selectChart.classed('c3', false).html('');\r\n // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen.\r\n Object.keys($$).forEach(function (key) {\r\n $$[key] = null;\r\n });\r\n return null;\r\n };\n\n // TODO: fix\r\n Chart.prototype.color = function (id) {\r\n var $$ = this.internal;\r\n return $$.color(id); // more patterns\r\n };\n\n Chart.prototype.data = function (targetIds) {\r\n var targets = this.internal.data.targets;\r\n return typeof targetIds === 'undefined'\r\n ? targets\r\n : targets.filter(function (t) {\r\n return [].concat(targetIds).indexOf(t.id) >= 0;\r\n });\r\n };\r\n Chart.prototype.data.shown = function (targetIds) {\r\n return this.internal.filterTargetsToShow(this.data(targetIds));\r\n };\r\n /**\r\n * Get values of the data loaded in the chart.\r\n *\r\n * @param {String|Array} targetId This API returns the value of specified target.\r\n * @param flat\r\n * @return {Array} Data values\r\n */\r\n Chart.prototype.data.values = function (targetId, flat) {\r\n if (flat === void 0) { flat = true; }\r\n var values = null;\r\n if (targetId) {\r\n var targets = this.data(targetId);\r\n if (targets && isArray(targets)) {\r\n values = targets.reduce(function (ret, v) {\r\n var dataValue = v.values.map(function (d) { return d.value; });\r\n if (flat) {\r\n ret = ret.concat(dataValue);\r\n }\r\n else {\r\n ret.push(dataValue);\r\n }\r\n return ret;\r\n }, []);\r\n }\r\n }\r\n return values;\r\n };\r\n Chart.prototype.data.names = function (names) {\r\n this.internal.clearLegendItemTextBoxCache();\r\n return this.internal.updateDataAttributes('names', names);\r\n };\r\n Chart.prototype.data.colors = function (colors) {\r\n return this.internal.updateDataAttributes('colors', colors);\r\n };\r\n Chart.prototype.data.axes = function (axes) {\r\n return this.internal.updateDataAttributes('axes', axes);\r\n };\r\n Chart.prototype.data.stackNormalized = function (normalized) {\r\n if (normalized === undefined) {\r\n return this.internal.isStackNormalized();\r\n }\r\n this.internal.config.data_stack_normalize = !!normalized;\r\n this.internal.redraw();\r\n };\n\n Chart.prototype.donut = function () { };\r\n Chart.prototype.donut.padAngle = function (padAngle) {\r\n if (padAngle === undefined) {\r\n return this.internal.config.donut_padAngle;\r\n }\r\n this.internal.config.donut_padAngle = padAngle;\r\n this.flush();\r\n };\n\n Chart.prototype.flow = function (args) {\r\n var $$ = this.internal, targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(), dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to;\r\n if (args.json) {\r\n data = $$.convertJsonToData(args.json, args.keys);\r\n }\r\n else if (args.rows) {\r\n data = $$.convertRowsToData(args.rows);\r\n }\r\n else if (args.columns) {\r\n data = $$.convertColumnsToData(args.columns);\r\n }\r\n else {\r\n return;\r\n }\r\n targets = $$.convertDataToTargets(data, true);\r\n // Update/Add data\r\n $$.data.targets.forEach(function (t) {\r\n var found = false, i, j;\r\n for (i = 0; i < targets.length; i++) {\r\n if (t.id === targets[i].id) {\r\n found = true;\r\n if (t.values[t.values.length - 1]) {\r\n tail = t.values[t.values.length - 1].index + 1;\r\n }\r\n length = targets[i].values.length;\r\n for (j = 0; j < length; j++) {\r\n targets[i].values[j].index = tail + j;\r\n if (!$$.isTimeSeries()) {\r\n targets[i].values[j].x = tail + j;\r\n }\r\n }\r\n t.values = t.values.concat(targets[i].values);\r\n targets.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if (!found) {\r\n notfoundIds.push(t.id);\r\n }\r\n });\r\n // Append null for not found targets\r\n $$.data.targets.forEach(function (t) {\r\n var i, j;\r\n for (i = 0; i < notfoundIds.length; i++) {\r\n if (t.id === notfoundIds[i]) {\r\n tail = t.values[t.values.length - 1].index + 1;\r\n for (j = 0; j < length; j++) {\r\n t.values.push({\r\n id: t.id,\r\n index: tail + j,\r\n x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,\r\n value: null\r\n });\r\n }\r\n }\r\n }\r\n });\r\n // Generate null values for new target\r\n if ($$.data.targets.length) {\r\n targets.forEach(function (t) {\r\n var i, missing = [];\r\n for (i = $$.data.targets[0].values[0].index; i < tail; i++) {\r\n missing.push({\r\n id: t.id,\r\n index: i,\r\n x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,\r\n value: null\r\n });\r\n }\r\n t.values.forEach(function (v) {\r\n v.index += tail;\r\n if (!$$.isTimeSeries()) {\r\n v.x += tail;\r\n }\r\n });\r\n t.values = missing.concat(t.values);\r\n });\r\n }\r\n $$.data.targets = $$.data.targets.concat(targets); // add remained\r\n // check data count because behavior needs to change when it's only one\r\n dataCount = $$.getMaxDataCount();\r\n baseTarget = $$.data.targets[0];\r\n baseValue = baseTarget.values[0];\r\n // Update length to flow if needed\r\n if (isDefined(args.to)) {\r\n length = 0;\r\n to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;\r\n baseTarget.values.forEach(function (v) {\r\n if (v.x < to) {\r\n length++;\r\n }\r\n });\r\n }\r\n else if (isDefined(args.length)) {\r\n length = args.length;\r\n }\r\n // If only one data, update the domain to flow from left edge of the chart\r\n if (!orgDataCount) {\r\n if ($$.isTimeSeries()) {\r\n if (baseTarget.values.length > 1) {\r\n diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;\r\n }\r\n else {\r\n diff = baseValue.x - $$.getXDomain($$.data.targets)[0];\r\n }\r\n }\r\n else {\r\n diff = 1;\r\n }\r\n domain = [baseValue.x - diff, baseValue.x];\r\n $$.updateXDomain(null, true, true, false, domain);\r\n }\r\n else if (orgDataCount === 1) {\r\n if ($$.isTimeSeries()) {\r\n diff =\r\n (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2;\r\n domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)];\r\n $$.updateXDomain(null, true, true, false, domain);\r\n }\r\n }\r\n // Set targets\r\n $$.updateTargets($$.data.targets);\r\n // Redraw with new targets\r\n $$.redraw({\r\n flow: {\r\n index: baseValue.index,\r\n length: length,\r\n duration: isValue(args.duration)\r\n ? args.duration\r\n : $$.config.transition_duration,\r\n done: args.done,\r\n orgDataCount: orgDataCount\r\n },\r\n withLegend: true,\r\n withTransition: orgDataCount > 1,\r\n withTrimXDomain: false,\r\n withUpdateXAxis: true\r\n });\r\n };\r\n ChartInternal.prototype.generateFlow = function (args) {\r\n var $$ = this, config = $$.config, d3 = $$.d3;\r\n return function () {\r\n var targets = args.targets, flow = args.flow, drawBar = args.drawBar, drawLine = args.drawLine, drawArea = args.drawArea, cx = args.cx, cy = args.cy, xv = args.xv, xForText = args.xForText, yForText = args.yForText, duration = args.duration;\r\n var translateX, scaleX = 1, transform, flowIndex = flow.index, flowLength = flow.length, flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex), flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength), orgDomain = $$.x.domain(), domain, durationForFlow = flow.duration || duration, done = flow.done || function () { }, wait = $$.generateWait();\r\n var xgrid, xgridLines, mainRegion, mainText, mainBar, mainLine, mainArea, mainCircle;\r\n // set flag\r\n $$.flowing = true;\r\n // remove head data after rendered\r\n $$.data.targets.forEach(function (d) {\r\n d.values.splice(0, flowLength);\r\n });\r\n // update x domain to generate axis elements for flow\r\n domain = $$.updateXDomain(targets, true, true);\r\n // update elements related to x scale\r\n if ($$.updateXGrid) {\r\n $$.updateXGrid(true);\r\n }\r\n xgrid = $$.xgrid || d3.selectAll([]); // xgrid needs to be obtained after updateXGrid\r\n xgridLines = $$.xgridLines || d3.selectAll([]);\r\n mainRegion = $$.mainRegion || d3.selectAll([]);\r\n mainText = $$.mainText || d3.selectAll([]);\r\n mainBar = $$.mainBar || d3.selectAll([]);\r\n mainLine = $$.mainLine || d3.selectAll([]);\r\n mainArea = $$.mainArea || d3.selectAll([]);\r\n mainCircle = $$.mainCircle || d3.selectAll([]);\r\n // generate transform to flow\r\n if (!flow.orgDataCount) {\r\n // if empty\r\n if ($$.data.targets[0].values.length !== 1) {\r\n translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);\r\n }\r\n else {\r\n if ($$.isTimeSeries()) {\r\n flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0);\r\n flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1);\r\n translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);\r\n }\r\n else {\r\n translateX = diffDomain(domain) / 2;\r\n }\r\n }\r\n }\r\n else if (flow.orgDataCount === 1 ||\r\n (flowStart && flowStart.x) === (flowEnd && flowEnd.x)) {\r\n translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);\r\n }\r\n else {\r\n if ($$.isTimeSeries()) {\r\n translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);\r\n }\r\n else {\r\n translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);\r\n }\r\n }\r\n scaleX = diffDomain(orgDomain) / diffDomain(domain);\r\n transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)';\r\n $$.hideXGridFocus();\r\n var flowTransition = d3\r\n .transition()\r\n .ease(d3.easeLinear)\r\n .duration(durationForFlow);\r\n wait.add($$.xAxis($$.axes.x, flowTransition));\r\n wait.add(mainBar.transition(flowTransition).attr('transform', transform));\r\n wait.add(mainLine.transition(flowTransition).attr('transform', transform));\r\n wait.add(mainArea.transition(flowTransition).attr('transform', transform));\r\n wait.add(mainCircle.transition(flowTransition).attr('transform', transform));\r\n wait.add(mainText.transition(flowTransition).attr('transform', transform));\r\n wait.add(mainRegion\r\n .filter($$.isRegionOnX)\r\n .transition(flowTransition)\r\n .attr('transform', transform));\r\n wait.add(xgrid.transition(flowTransition).attr('transform', transform));\r\n wait.add(xgridLines.transition(flowTransition).attr('transform', transform));\r\n wait(function () {\r\n var i, shapes = [], texts = [];\r\n // remove flowed elements\r\n if (flowLength) {\r\n for (i = 0; i < flowLength; i++) {\r\n shapes.push('.' + CLASS.shape + '-' + (flowIndex + i));\r\n texts.push('.' + CLASS.text + '-' + (flowIndex + i));\r\n }\r\n $$.svg\r\n .selectAll('.' + CLASS.shapes)\r\n .selectAll(shapes)\r\n .remove();\r\n $$.svg\r\n .selectAll('.' + CLASS.texts)\r\n .selectAll(texts)\r\n .remove();\r\n $$.svg.select('.' + CLASS.xgrid).remove();\r\n }\r\n // draw again for removing flowed elements and reverting attr\r\n xgrid\r\n .attr('transform', null)\r\n .attr('x1', $$.xgridAttr.x1)\r\n .attr('x2', $$.xgridAttr.x2)\r\n .attr('y1', $$.xgridAttr.y1)\r\n .attr('y2', $$.xgridAttr.y2)\r\n .style('opacity', $$.xgridAttr.opacity);\r\n xgridLines.attr('transform', null);\r\n xgridLines\r\n .select('line')\r\n .attr('x1', config.axis_rotated ? 0 : xv)\r\n .attr('x2', config.axis_rotated ? $$.width : xv);\r\n xgridLines\r\n .select('text')\r\n .attr('x', config.axis_rotated ? $$.width : 0)\r\n .attr('y', xv);\r\n mainBar.attr('transform', null).attr('d', drawBar);\r\n mainLine.attr('transform', null).attr('d', drawLine);\r\n mainArea.attr('transform', null).attr('d', drawArea);\r\n mainCircle\r\n .attr('transform', null)\r\n .attr('cx', cx)\r\n .attr('cy', cy);\r\n mainText\r\n .attr('transform', null)\r\n .attr('x', xForText)\r\n .attr('y', yForText)\r\n .style('fill-opacity', $$.opacityForText.bind($$));\r\n mainRegion.attr('transform', null);\r\n mainRegion\r\n .filter($$.isRegionOnX)\r\n .attr('x', $$.regionX.bind($$))\r\n .attr('width', $$.regionWidth.bind($$));\r\n // callback for end of flow\r\n done();\r\n $$.flowing = false;\r\n });\r\n };\r\n };\n\n Chart.prototype.focus = function (targetIds) {\r\n var $$ = this.internal, candidates;\r\n targetIds = $$.mapToTargetIds(targetIds);\r\n (candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$)))),\r\n this.revert();\r\n this.defocus();\r\n candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false);\r\n if ($$.hasArcType()) {\r\n $$.expandArc(targetIds);\r\n }\r\n $$.toggleFocusLegend(targetIds, true);\r\n $$.focusedTargetIds = targetIds;\r\n $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) {\r\n return targetIds.indexOf(id) < 0;\r\n });\r\n };\r\n Chart.prototype.defocus = function (targetIds) {\r\n var $$ = this.internal, candidates;\r\n targetIds = $$.mapToTargetIds(targetIds);\r\n (candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$)))),\r\n candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true);\r\n if ($$.hasArcType()) {\r\n $$.unexpandArc(targetIds);\r\n }\r\n $$.toggleFocusLegend(targetIds, false);\r\n $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) {\r\n return targetIds.indexOf(id) < 0;\r\n });\r\n $$.defocusedTargetIds = targetIds;\r\n };\r\n Chart.prototype.revert = function (targetIds) {\r\n var $$ = this.internal, candidates;\r\n targetIds = $$.mapToTargetIds(targetIds);\r\n candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets\r\n candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false);\r\n if ($$.hasArcType()) {\r\n $$.unexpandArc(targetIds);\r\n }\r\n if ($$.config.legend_show) {\r\n $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$)));\r\n $$.legend\r\n .selectAll($$.selectorLegends(targetIds))\r\n .filter(function () {\r\n return $$.d3.select(this).classed(CLASS.legendItemFocused);\r\n })\r\n .classed(CLASS.legendItemFocused, false);\r\n }\r\n $$.focusedTargetIds = [];\r\n $$.defocusedTargetIds = [];\r\n };\n\n Chart.prototype.xgrids = function (grids) {\r\n var $$ = this.internal, config = $$.config;\r\n if (!grids) {\r\n return config.grid_x_lines;\r\n }\r\n config.grid_x_lines = grids;\r\n $$.redrawWithoutRescale();\r\n return config.grid_x_lines;\r\n };\r\n Chart.prototype.xgrids.add = function (grids) {\r\n var $$ = this.internal;\r\n return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : []));\r\n };\r\n Chart.prototype.xgrids.remove = function (params) {\r\n // TODO: multiple\r\n var $$ = this.internal;\r\n $$.removeGridLines(params, true);\r\n };\r\n Chart.prototype.ygrids = function (grids) {\r\n var $$ = this.internal, config = $$.config;\r\n if (!grids) {\r\n return config.grid_y_lines;\r\n }\r\n config.grid_y_lines = grids;\r\n $$.redrawWithoutRescale();\r\n return config.grid_y_lines;\r\n };\r\n Chart.prototype.ygrids.add = function (grids) {\r\n var $$ = this.internal;\r\n return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : []));\r\n };\r\n Chart.prototype.ygrids.remove = function (params) {\r\n // TODO: multiple\r\n var $$ = this.internal;\r\n $$.removeGridLines(params, false);\r\n };\n\n Chart.prototype.groups = function (groups) {\r\n var $$ = this.internal, config = $$.config;\r\n if (isUndefined(groups)) {\r\n return config.data_groups;\r\n }\r\n config.data_groups = groups;\r\n $$.redraw();\r\n return config.data_groups;\r\n };\n\n Chart.prototype.legend = function () { };\r\n Chart.prototype.legend.show = function (targetIds) {\r\n var $$ = this.internal;\r\n $$.showLegend($$.mapToTargetIds(targetIds));\r\n $$.updateAndRedraw({ withLegend: true });\r\n };\r\n Chart.prototype.legend.hide = function (targetIds) {\r\n var $$ = this.internal;\r\n $$.hideLegend($$.mapToTargetIds(targetIds));\r\n $$.updateAndRedraw({ withLegend: false });\r\n };\n\n Chart.prototype.load = function (args) {\r\n var $$ = this.internal, config = $$.config;\r\n // update xs if specified\r\n if (args.xs) {\r\n $$.addXs(args.xs);\r\n }\r\n // update names if exists\r\n if ('names' in args) {\r\n Chart.prototype.data.names.bind(this)(args.names);\r\n }\r\n // update classes if exists\r\n if ('classes' in args) {\r\n Object.keys(args.classes).forEach(function (id) {\r\n config.data_classes[id] = args.classes[id];\r\n });\r\n }\r\n // update categories if exists\r\n if ('categories' in args && $$.isCategorized()) {\r\n config.axis_x_categories = args.categories;\r\n }\r\n // update axes if exists\r\n if ('axes' in args) {\r\n Object.keys(args.axes).forEach(function (id) {\r\n config.data_axes[id] = args.axes[id];\r\n });\r\n }\r\n // update colors if exists\r\n if ('colors' in args) {\r\n Object.keys(args.colors).forEach(function (id) {\r\n config.data_colors[id] = args.colors[id];\r\n });\r\n }\r\n // use cache if exists\r\n if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {\r\n $$.load($$.getCaches(args.cacheIds), args.done);\r\n return;\r\n }\r\n // unload if needed\r\n if (args.unload) {\r\n // TODO: do not unload if target will load (included in url/rows/columns)\r\n $$.unload($$.mapToTargetIds(args.unload === true ? null : args.unload), function () {\r\n $$.loadFromArgs(args);\r\n });\r\n }\r\n else {\r\n $$.loadFromArgs(args);\r\n }\r\n };\r\n Chart.prototype.unload = function (args) {\r\n var $$ = this.internal;\r\n args = args || {};\r\n if (args instanceof Array) {\r\n args = { ids: args };\r\n }\r\n else if (typeof args === 'string') {\r\n args = { ids: [args] };\r\n }\r\n $$.unload($$.mapToTargetIds(args.ids), function () {\r\n $$.redraw({\r\n withUpdateOrgXDomain: true,\r\n withUpdateXDomain: true,\r\n withLegend: true\r\n });\r\n if (args.done) {\r\n args.done();\r\n }\r\n });\r\n };\n\n Chart.prototype.pie = function () { };\r\n Chart.prototype.pie.padAngle = function (padAngle) {\r\n if (padAngle === undefined) {\r\n return this.internal.config.pie_padAngle;\r\n }\r\n this.internal.config.pie_padAngle = padAngle;\r\n this.flush();\r\n };\n\n Chart.prototype.regions = function (regions) {\r\n var $$ = this.internal, config = $$.config;\r\n if (!regions) {\r\n return config.regions;\r\n }\r\n config.regions = regions;\r\n $$.redrawWithoutRescale();\r\n return config.regions;\r\n };\r\n Chart.prototype.regions.add = function (regions) {\r\n var $$ = this.internal, config = $$.config;\r\n if (!regions) {\r\n return config.regions;\r\n }\r\n config.regions = config.regions.concat(regions);\r\n $$.redrawWithoutRescale();\r\n return config.regions;\r\n };\r\n Chart.prototype.regions.remove = function (options) {\r\n var $$ = this.internal, config = $$.config, duration, classes, regions;\r\n options = options || {};\r\n duration = getOption(options, 'duration', config.transition_duration);\r\n classes = getOption(options, 'classes', [CLASS.region]);\r\n regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) {\r\n return '.' + c;\r\n }));\r\n (duration ? regions.transition().duration(duration) : regions)\r\n .style('opacity', 0)\r\n .remove();\r\n config.regions = config.regions.filter(function (region) {\r\n var found = false;\r\n if (!region['class']) {\r\n return true;\r\n }\r\n region['class'].split(' ').forEach(function (c) {\r\n if (classes.indexOf(c) >= 0) {\r\n found = true;\r\n }\r\n });\r\n return !found;\r\n });\r\n return config.regions;\r\n };\n\n Chart.prototype.selected = function (targetId) {\r\n var $$ = this.internal, d3 = $$.d3;\r\n return $$.main\r\n .selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId))\r\n .selectAll('.' + CLASS.shape)\r\n .filter(function () {\r\n return d3.select(this).classed(CLASS.SELECTED);\r\n })\r\n .nodes()\r\n .map(function (d) {\r\n var data = d.__data__;\r\n return data.data ? data.data : data;\r\n });\r\n };\r\n Chart.prototype.select = function (ids, indices, resetOther) {\r\n var $$ = this.internal, d3 = $$.d3, config = $$.config;\r\n if (!config.data_selection_enabled) {\r\n return;\r\n }\r\n $$.main\r\n .selectAll('.' + CLASS.shapes)\r\n .selectAll('.' + CLASS.shape)\r\n .each(function (d, i) {\r\n var shape = d3.select(this), id = d.data ? d.data.id : d.id, toggle = $$.getToggle(this, d).bind($$), isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0, isTargetIndex = !indices || indices.indexOf(i) >= 0, isSelected = shape.classed(CLASS.SELECTED);\r\n // line/area selection not supported yet\r\n if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {\r\n return;\r\n }\r\n if (isTargetId && isTargetIndex) {\r\n if (config.data_selection_isselectable(d) && !isSelected) {\r\n toggle(true, shape.classed(CLASS.SELECTED, true), d, i);\r\n }\r\n }\r\n else if (isDefined(resetOther) && resetOther) {\r\n if (isSelected) {\r\n toggle(false, shape.classed(CLASS.SELECTED, false), d, i);\r\n }\r\n }\r\n });\r\n };\r\n Chart.prototype.unselect = function (ids, indices) {\r\n var $$ = this.internal, d3 = $$.d3, config = $$.config;\r\n if (!config.data_selection_enabled) {\r\n return;\r\n }\r\n $$.main\r\n .selectAll('.' + CLASS.shapes)\r\n .selectAll('.' + CLASS.shape)\r\n .each(function (d, i) {\r\n var shape = d3.select(this), id = d.data ? d.data.id : d.id, toggle = $$.getToggle(this, d).bind($$), isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0, isTargetIndex = !indices || indices.indexOf(i) >= 0, isSelected = shape.classed(CLASS.SELECTED);\r\n // line/area selection not supported yet\r\n if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {\r\n return;\r\n }\r\n if (isTargetId && isTargetIndex) {\r\n if (config.data_selection_isselectable(d)) {\r\n if (isSelected) {\r\n toggle(false, shape.classed(CLASS.SELECTED, false), d, i);\r\n }\r\n }\r\n }\r\n });\r\n };\n\n Chart.prototype.show = function (targetIds, options) {\r\n var $$ = this.internal, targets;\r\n targetIds = $$.mapToTargetIds(targetIds);\r\n options = options || {};\r\n $$.removeHiddenTargetIds(targetIds);\r\n targets = $$.svg.selectAll($$.selectorTargets(targetIds));\r\n targets\r\n .transition()\r\n .style('display', isIE() ? 'block' : 'initial', 'important')\r\n .style('opacity', 1, 'important')\r\n .call($$.endall, function () {\r\n targets.style('opacity', null).style('opacity', 1);\r\n });\r\n if (options.withLegend) {\r\n $$.showLegend(targetIds);\r\n }\r\n $$.redraw({\r\n withUpdateOrgXDomain: true,\r\n withUpdateXDomain: true,\r\n withLegend: true\r\n });\r\n };\r\n Chart.prototype.hide = function (targetIds, options) {\r\n var $$ = this.internal, targets;\r\n targetIds = $$.mapToTargetIds(targetIds);\r\n options = options || {};\r\n $$.addHiddenTargetIds(targetIds);\r\n targets = $$.svg.selectAll($$.selectorTargets(targetIds));\r\n targets\r\n .transition()\r\n .style('opacity', 0, 'important')\r\n .call($$.endall, function () {\r\n targets.style('opacity', null).style('opacity', 0);\r\n targets.style('display', 'none');\r\n });\r\n if (options.withLegend) {\r\n $$.hideLegend(targetIds);\r\n }\r\n $$.redraw({\r\n withUpdateOrgXDomain: true,\r\n withUpdateXDomain: true,\r\n withLegend: true\r\n });\r\n };\r\n Chart.prototype.toggle = function (targetIds, options) {\r\n var that = this, $$ = this.internal;\r\n $$.mapToTargetIds(targetIds).forEach(function (targetId) {\r\n $$.isTargetToShow(targetId)\r\n ? that.hide(targetId, options)\r\n : that.show(targetId, options);\r\n });\r\n };\n\n Chart.prototype.subchart = function () { };\r\n Chart.prototype.subchart.isShown = function () {\r\n var $$ = this.internal;\r\n return $$.config.subchart_show;\r\n };\r\n Chart.prototype.subchart.show = function () {\r\n var $$ = this.internal;\r\n if ($$.config.subchart_show) {\r\n return;\r\n }\r\n $$.config.subchart_show = true;\r\n // insert DOM\r\n $$.initSubchart();\r\n // update dimensions with sub chart now visible\r\n $$.updateDimension();\r\n // insert brush (depends on sizes previously updated)\r\n $$.initSubchartBrush();\r\n // attach data\r\n $$.updateTargetsForSubchart($$.getTargets());\r\n // reset fade-in state\r\n $$.mapToIds($$.data.targets).forEach(function (id) {\r\n $$.withoutFadeIn[id] = false;\r\n });\r\n // redraw chart !\r\n $$.updateAndRedraw();\r\n // update visible targets !\r\n $$.showTargets();\r\n };\r\n Chart.prototype.subchart.hide = function () {\r\n var $$ = this.internal;\r\n if (!$$.config.subchart_show) {\r\n return;\r\n }\r\n $$.config.subchart_show = false;\r\n // remove DOM\r\n $$.removeSubchart();\r\n // re-render chart\r\n $$.redraw();\r\n };\n\n Chart.prototype.tooltip = function () { };\r\n Chart.prototype.tooltip.show = function (args) {\r\n var $$ = this.internal, targets, data, mouse = {};\r\n // determine mouse position on the chart\r\n if (args.mouse) {\r\n mouse = args.mouse;\r\n }\r\n else {\r\n // determine focus data\r\n if (args.data) {\r\n data = args.data;\r\n }\r\n else if (typeof args.x !== 'undefined') {\r\n if (args.id) {\r\n targets = $$.data.targets.filter(function (t) {\r\n return t.id === args.id;\r\n });\r\n }\r\n else {\r\n targets = $$.data.targets;\r\n }\r\n data = $$.filterByX(targets, args.x).slice(0, 1)[0];\r\n }\r\n mouse = data ? $$.getMousePosition(data) : null;\r\n }\r\n // emulate mouse events to show\r\n $$.dispatchEvent('mousemove', mouse);\r\n $$.config.tooltip_onshow.call($$, data);\r\n };\r\n Chart.prototype.tooltip.hide = function () {\r\n // TODO: get target data by checking the state of focus\r\n this.internal.dispatchEvent('mouseout', 0);\r\n this.internal.config.tooltip_onhide.call(this);\r\n };\n\n Chart.prototype.transform = function (type, targetIds) {\r\n var $$ = this.internal, options = ['pie', 'donut'].indexOf(type) >= 0 ? { withTransform: true } : null;\r\n $$.transformTo(targetIds, type, options);\r\n };\r\n ChartInternal.prototype.transformTo = function (targetIds, type, optionsForRedraw) {\r\n var $$ = this, withTransitionForAxis = !$$.hasArcType(), options = optionsForRedraw || {\r\n withTransitionForAxis: withTransitionForAxis\r\n };\r\n options.withTransitionForTransform = false;\r\n $$.transiting = false;\r\n $$.setTargetType(targetIds, type);\r\n $$.updateTargets($$.data.targets); // this is needed when transforming to arc\r\n $$.updateAndRedraw(options);\r\n };\n\n Chart.prototype.x = function (x) {\r\n var $$ = this.internal;\r\n if (arguments.length) {\r\n $$.updateTargetX($$.data.targets, x);\r\n $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });\r\n }\r\n return $$.data.xs;\r\n };\r\n Chart.prototype.xs = function (xs) {\r\n var $$ = this.internal;\r\n if (arguments.length) {\r\n $$.updateTargetXs($$.data.targets, xs);\r\n $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });\r\n }\r\n return $$.data.xs;\r\n };\n\n Chart.prototype.zoom = function (domain) {\r\n var $$ = this.internal;\r\n if (domain) {\r\n if ($$.isTimeSeries()) {\r\n domain = domain.map(function (x) {\r\n return $$.parseDate(x);\r\n });\r\n }\r\n if ($$.config.subchart_show) {\r\n $$.brush.selectionAsValue(domain, true);\r\n }\r\n else {\r\n $$.updateXDomain(null, true, false, false, domain);\r\n $$.redraw({ withY: $$.config.zoom_rescale, withSubchart: false });\r\n }\r\n $$.config.zoom_onzoom.call(this, $$.x.orgDomain());\r\n return domain;\r\n }\r\n else {\r\n return $$.x.domain();\r\n }\r\n };\r\n Chart.prototype.zoom.enable = function (enabled) {\r\n var $$ = this.internal;\r\n $$.config.zoom_enabled = enabled;\r\n $$.updateAndRedraw();\r\n };\r\n Chart.prototype.unzoom = function () {\r\n var $$ = this.internal;\r\n if ($$.config.subchart_show) {\r\n $$.brush.clear();\r\n }\r\n else {\r\n $$.updateXDomain(null, true, false, false, $$.subX.domain());\r\n $$.redraw({ withY: $$.config.zoom_rescale, withSubchart: false });\r\n }\r\n };\r\n Chart.prototype.zoom.max = function (max) {\r\n var $$ = this.internal, config = $$.config, d3 = $$.d3;\r\n if (max === 0 || max) {\r\n config.zoom_x_max = d3.max([$$.orgXDomain[1], max]);\r\n }\r\n else {\r\n return config.zoom_x_max;\r\n }\r\n };\r\n Chart.prototype.zoom.min = function (min) {\r\n var $$ = this.internal, config = $$.config, d3 = $$.d3;\r\n if (min === 0 || min) {\r\n config.zoom_x_min = d3.min([$$.orgXDomain[0], min]);\r\n }\r\n else {\r\n return config.zoom_x_min;\r\n }\r\n };\r\n Chart.prototype.zoom.range = function (range) {\r\n if (arguments.length) {\r\n if (isDefined(range.max)) {\r\n this.domain.max(range.max);\r\n }\r\n if (isDefined(range.min)) {\r\n this.domain.min(range.min);\r\n }\r\n }\r\n else {\r\n return {\r\n max: this.domain.max(),\r\n min: this.domain.min()\r\n };\r\n }\r\n };\n\n ChartInternal.prototype.initPie = function () {\r\n var $$ = this, d3 = $$.d3;\r\n $$.pie = d3\r\n .pie()\r\n .padAngle(this.getPadAngle.bind(this))\r\n .value(function (d) {\r\n return d.values.reduce(function (a, b) {\r\n return a + b.value;\r\n }, 0);\r\n });\r\n var orderFct = $$.getOrderFunction();\r\n // we need to reverse the returned order if asc or desc to have the slice in expected order.\r\n if (orderFct && ($$.isOrderAsc() || $$.isOrderDesc())) {\r\n var defaultSort_1 = orderFct;\r\n orderFct = function (t1, t2) { return defaultSort_1(t1, t2) * -1; };\r\n }\r\n $$.pie.sort(orderFct || null);\r\n };\r\n ChartInternal.prototype.updateRadius = function () {\r\n var $$ = this, config = $$.config, w = config.gauge_width || config.donut_width, gaugeArcWidth = $$.filterTargetsToShow($$.data.targets).length *\r\n $$.config.gauge_arcs_minWidth;\r\n $$.radiusExpanded =\r\n (Math.min($$.arcWidth, $$.arcHeight) / 2) * ($$.hasType('gauge') ? 0.85 : 1);\r\n $$.radius = $$.radiusExpanded * 0.95;\r\n $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6;\r\n $$.innerRadius =\r\n $$.hasType('donut') || $$.hasType('gauge')\r\n ? $$.radius * $$.innerRadiusRatio\r\n : 0;\r\n $$.gaugeArcWidth = w\r\n ? w\r\n : gaugeArcWidth <= $$.radius - $$.innerRadius\r\n ? $$.radius - $$.innerRadius\r\n : gaugeArcWidth <= $$.radius\r\n ? gaugeArcWidth\r\n : $$.radius;\r\n };\r\n ChartInternal.prototype.getPadAngle = function () {\r\n if (this.hasType('pie')) {\r\n return this.config.pie_padAngle || 0;\r\n }\r\n else if (this.hasType('donut')) {\r\n return this.config.donut_padAngle || 0;\r\n }\r\n else {\r\n return 0;\r\n }\r\n };\r\n ChartInternal.prototype.updateArc = function () {\r\n var $$ = this;\r\n $$.svgArc = $$.getSvgArc();\r\n $$.svgArcExpanded = $$.getSvgArcExpanded();\r\n $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98);\r\n };\r\n ChartInternal.prototype.updateAngle = function (d) {\r\n var $$ = this, config = $$.config, found = false, index = 0, gMin, gMax, gTic, gValue;\r\n if (!config) {\r\n return null;\r\n }\r\n $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) {\r\n if (!found && t.data.id === d.data.id) {\r\n found = true;\r\n d = t;\r\n d.index = index;\r\n }\r\n index++;\r\n });\r\n if (isNaN(d.startAngle)) {\r\n d.startAngle = 0;\r\n }\r\n if (isNaN(d.endAngle)) {\r\n d.endAngle = d.startAngle;\r\n }\r\n if ($$.isGaugeType(d.data)) {\r\n gMin = config.gauge_min;\r\n gMax = config.gauge_max;\r\n gTic = (Math.PI * (config.gauge_fullCircle ? 2 : 1)) / (gMax - gMin);\r\n gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : gMax - gMin;\r\n d.startAngle = config.gauge_startingAngle;\r\n d.endAngle = d.startAngle + gTic * gValue;\r\n }\r\n return found ? d : null;\r\n };\r\n ChartInternal.prototype.getSvgArc = function () {\r\n var $$ = this, hasGaugeType = $$.hasType('gauge'), singleArcWidth = $$.gaugeArcWidth / $$.filterTargetsToShow($$.data.targets).length, arc = $$.d3\r\n .arc()\r\n .outerRadius(function (d) {\r\n return hasGaugeType ? $$.radius - singleArcWidth * d.index : $$.radius;\r\n })\r\n .innerRadius(function (d) {\r\n return hasGaugeType\r\n ? $$.radius - singleArcWidth * (d.index + 1)\r\n : $$.innerRadius;\r\n }), newArc = function (d, withoutUpdate) {\r\n var updated;\r\n if (withoutUpdate) {\r\n return arc(d);\r\n } // for interpolate\r\n updated = $$.updateAngle(d);\r\n return updated ? arc(updated) : 'M 0 0';\r\n };\r\n newArc.centroid = arc.centroid;\r\n return newArc;\r\n };\r\n ChartInternal.prototype.getSvgArcExpanded = function (rate) {\r\n rate = rate || 1;\r\n var $$ = this, hasGaugeType = $$.hasType('gauge'), singleArcWidth = $$.gaugeArcWidth / $$.filterTargetsToShow($$.data.targets).length, expandWidth = Math.min($$.radiusExpanded * rate - $$.radius, singleArcWidth * 0.8 - (1 - rate) * 100), arc = $$.d3\r\n .arc()\r\n .outerRadius(function (d) {\r\n return hasGaugeType\r\n ? $$.radius - singleArcWidth * d.index + expandWidth\r\n : $$.radiusExpanded * rate;\r\n })\r\n .innerRadius(function (d) {\r\n return hasGaugeType\r\n ? $$.radius - singleArcWidth * (d.index + 1)\r\n : $$.innerRadius;\r\n });\r\n return function (d) {\r\n var updated = $$.updateAngle(d);\r\n return updated ? arc(updated) : 'M 0 0';\r\n };\r\n };\r\n ChartInternal.prototype.getArc = function (d, withoutUpdate, force) {\r\n return force || this.isArcType(d.data)\r\n ? this.svgArc(d, withoutUpdate)\r\n : 'M 0 0';\r\n };\r\n ChartInternal.prototype.transformForArcLabel = function (d) {\r\n var $$ = this, config = $$.config, updated = $$.updateAngle(d), c, x, y, h, ratio, translate = '', hasGauge = $$.hasType('gauge');\r\n if (updated && !hasGauge) {\r\n c = this.svgArc.centroid(updated);\r\n x = isNaN(c[0]) ? 0 : c[0];\r\n y = isNaN(c[1]) ? 0 : c[1];\r\n h = Math.sqrt(x * x + y * y);\r\n if ($$.hasType('donut') && config.donut_label_ratio) {\r\n ratio = isFunction(config.donut_label_ratio)\r\n ? config.donut_label_ratio(d, $$.radius, h)\r\n : config.donut_label_ratio;\r\n }\r\n else if ($$.hasType('pie') && config.pie_label_ratio) {\r\n ratio = isFunction(config.pie_label_ratio)\r\n ? config.pie_label_ratio(d, $$.radius, h)\r\n : config.pie_label_ratio;\r\n }\r\n else {\r\n ratio =\r\n $$.radius && h\r\n ? ((36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) *\r\n $$.radius) /\r\n h\r\n : 0;\r\n }\r\n translate = 'translate(' + x * ratio + ',' + y * ratio + ')';\r\n }\r\n else if (updated &&\r\n hasGauge &&\r\n $$.filterTargetsToShow($$.data.targets).length > 1) {\r\n var y1 = Math.sin(updated.endAngle - Math.PI / 2);\r\n x = Math.cos(updated.endAngle - Math.PI / 2) * ($$.radiusExpanded + 25);\r\n y = y1 * ($$.radiusExpanded + 15 - Math.abs(y1 * 10)) + 3;\r\n translate = 'translate(' + x + ',' + y + ')';\r\n }\r\n return translate;\r\n };\r\n /**\r\n * @deprecated Use `getRatio('arc', d)` instead.\r\n */\r\n ChartInternal.prototype.getArcRatio = function (d) {\r\n return this.getRatio('arc', d);\r\n };\r\n ChartInternal.prototype.convertToArcData = function (d) {\r\n return this.addName({\r\n id: d.data.id,\r\n value: d.value,\r\n ratio: this.getRatio('arc', d),\r\n index: d.index\r\n });\r\n };\r\n ChartInternal.prototype.textForArcLabel = function (d) {\r\n var $$ = this, updated, value, ratio, id, format;\r\n if (!$$.shouldShowArcLabel()) {\r\n return '';\r\n }\r\n updated = $$.updateAngle(d);\r\n value = updated ? updated.value : null;\r\n ratio = $$.getRatio('arc', updated);\r\n id = d.data.id;\r\n if (!$$.hasType('gauge') && !$$.meetsArcLabelThreshold(ratio)) {\r\n return '';\r\n }\r\n format = $$.getArcLabelFormat();\r\n return format\r\n ? format(value, ratio, id)\r\n : $$.defaultArcValueFormat(value, ratio);\r\n };\r\n ChartInternal.prototype.textForGaugeMinMax = function (value, isMax) {\r\n var $$ = this, format = $$.getGaugeLabelExtents();\r\n return format ? format(value, isMax) : value;\r\n };\r\n ChartInternal.prototype.expandArc = function (targetIds) {\r\n var $$ = this, interval;\r\n // MEMO: avoid to cancel transition\r\n if ($$.transiting) {\r\n interval = window.setInterval(function () {\r\n if (!$$.transiting) {\r\n window.clearInterval(interval);\r\n if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) {\r\n $$.expandArc(targetIds);\r\n }\r\n }\r\n }, 10);\r\n return;\r\n }\r\n targetIds = $$.mapToTargetIds(targetIds);\r\n $$.svg\r\n .selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc))\r\n .each(function (d) {\r\n if (!$$.shouldExpand(d.data.id)) {\r\n return;\r\n }\r\n $$.d3\r\n .select(this)\r\n .selectAll('path')\r\n .transition()\r\n .duration($$.expandDuration(d.data.id))\r\n .attr('d', $$.svgArcExpanded)\r\n .transition()\r\n .duration($$.expandDuration(d.data.id) * 2)\r\n .attr('d', $$.svgArcExpandedSub)\r\n .each(function (d) {\r\n if ($$.isDonutType(d.data)) ;\r\n });\r\n });\r\n };\r\n ChartInternal.prototype.unexpandArc = function (targetIds) {\r\n var $$ = this;\r\n if ($$.transiting) {\r\n return;\r\n }\r\n targetIds = $$.mapToTargetIds(targetIds);\r\n $$.svg\r\n .selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc))\r\n .selectAll('path')\r\n .transition()\r\n .duration(function (d) {\r\n return $$.expandDuration(d.data.id);\r\n })\r\n .attr('d', $$.svgArc);\r\n $$.svg.selectAll('.' + CLASS.arc);\r\n };\r\n ChartInternal.prototype.expandDuration = function (id) {\r\n var $$ = this, config = $$.config;\r\n if ($$.isDonutType(id)) {\r\n return config.donut_expand_duration;\r\n }\r\n else if ($$.isGaugeType(id)) {\r\n return config.gauge_expand_duration;\r\n }\r\n else if ($$.isPieType(id)) {\r\n return config.pie_expand_duration;\r\n }\r\n else {\r\n return 50;\r\n }\r\n };\r\n ChartInternal.prototype.shouldExpand = function (id) {\r\n var $$ = this, config = $$.config;\r\n return (($$.isDonutType(id) && config.donut_expand) ||\r\n ($$.isGaugeType(id) && config.gauge_expand) ||\r\n ($$.isPieType(id) && config.pie_expand));\r\n };\r\n ChartInternal.prototype.shouldShowArcLabel = function () {\r\n var $$ = this, config = $$.config, shouldShow = true;\r\n if ($$.hasType('donut')) {\r\n shouldShow = config.donut_label_show;\r\n }\r\n else if ($$.hasType('pie')) {\r\n shouldShow = config.pie_label_show;\r\n }\r\n // when gauge, always true\r\n return shouldShow;\r\n };\r\n ChartInternal.prototype.meetsArcLabelThreshold = function (ratio) {\r\n var $$ = this, config = $$.config, threshold = $$.hasType('donut')\r\n ? config.donut_label_threshold\r\n : config.pie_label_threshold;\r\n return ratio >= threshold;\r\n };\r\n ChartInternal.prototype.getArcLabelFormat = function () {\r\n var $$ = this, config = $$.config, format = config.pie_label_format;\r\n if ($$.hasType('gauge')) {\r\n format = config.gauge_label_format;\r\n }\r\n else if ($$.hasType('donut')) {\r\n format = config.donut_label_format;\r\n }\r\n return format;\r\n };\r\n ChartInternal.prototype.getGaugeLabelExtents = function () {\r\n var $$ = this, config = $$.config;\r\n return config.gauge_label_extents;\r\n };\r\n ChartInternal.prototype.getArcTitle = function () {\r\n var $$ = this;\r\n return $$.hasType('donut') ? $$.config.donut_title : '';\r\n };\r\n ChartInternal.prototype.updateTargetsForArc = function (targets) {\r\n var $$ = this, main = $$.main, mainPies, mainPieEnter, classChartArc = $$.classChartArc.bind($$), classArcs = $$.classArcs.bind($$), classFocus = $$.classFocus.bind($$);\r\n mainPies = main\r\n .select('.' + CLASS.chartArcs)\r\n .selectAll('.' + CLASS.chartArc)\r\n .data($$.pie(targets))\r\n .attr('class', function (d) {\r\n return classChartArc(d) + classFocus(d.data);\r\n });\r\n mainPieEnter = mainPies\r\n .enter()\r\n .append('g')\r\n .attr('class', classChartArc);\r\n mainPieEnter.append('g').attr('class', classArcs);\r\n mainPieEnter\r\n .append('text')\r\n .attr('dy', $$.hasType('gauge') ? '-.1em' : '.35em')\r\n .style('opacity', 0)\r\n .style('text-anchor', 'middle')\r\n .style('pointer-events', 'none');\r\n // MEMO: can not keep same color..., but not bad to update color in redraw\r\n //mainPieUpdate.exit().remove();\r\n };\r\n ChartInternal.prototype.initArc = function () {\r\n var $$ = this;\r\n $$.arcs = $$.main\r\n .select('.' + CLASS.chart)\r\n .append('g')\r\n .attr('class', CLASS.chartArcs)\r\n .attr('transform', $$.getTranslate('arc'));\r\n $$.arcs\r\n .append('text')\r\n .attr('class', CLASS.chartArcsTitle)\r\n .style('text-anchor', 'middle')\r\n .text($$.getArcTitle());\r\n };\r\n ChartInternal.prototype.redrawArc = function (duration, durationForExit, withTransform) {\r\n var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main, arcs, mainArc, arcLabelLines, mainArcLabelLine, hasGaugeType = $$.hasType('gauge');\r\n arcs = main\r\n .selectAll('.' + CLASS.arcs)\r\n .selectAll('.' + CLASS.arc)\r\n .data($$.arcData.bind($$));\r\n mainArc = arcs\r\n .enter()\r\n .append('path')\r\n .attr('class', $$.classArc.bind($$))\r\n .style('fill', function (d) {\r\n return $$.color(d.data);\r\n })\r\n .style('cursor', function (d) {\r\n return config.interaction_enabled && config.data_selection_isselectable(d)\r\n ? 'pointer'\r\n : null;\r\n })\r\n .each(function (d) {\r\n if ($$.isGaugeType(d.data)) {\r\n d.startAngle = d.endAngle = config.gauge_startingAngle;\r\n }\r\n this._current = d;\r\n })\r\n .merge(arcs);\r\n if (hasGaugeType) {\r\n arcLabelLines = main\r\n .selectAll('.' + CLASS.arcs)\r\n .selectAll('.' + CLASS.arcLabelLine)\r\n .data($$.arcData.bind($$));\r\n mainArcLabelLine = arcLabelLines\r\n .enter()\r\n .append('rect')\r\n .attr('class', function (d) {\r\n return (CLASS.arcLabelLine +\r\n ' ' +\r\n CLASS.target +\r\n ' ' +\r\n CLASS.target +\r\n '-' +\r\n d.data.id);\r\n })\r\n .merge(arcLabelLines);\r\n if ($$.filterTargetsToShow($$.data.targets).length === 1) {\r\n mainArcLabelLine.style('display', 'none');\r\n }\r\n else {\r\n mainArcLabelLine\r\n .style('fill', function (d) {\r\n return $$.levelColor\r\n ? $$.levelColor(d.data.values.reduce(function (total, item) {\r\n return total + item.value;\r\n }, 0))\r\n : $$.color(d.data);\r\n })\r\n .style('display', config.gauge_labelLine_show ? '' : 'none')\r\n .each(function (d) {\r\n var lineLength = 0, lineThickness = 2, x = 0, y = 0, transform = '';\r\n if ($$.hiddenTargetIds.indexOf(d.data.id) < 0) {\r\n var updated = $$.updateAngle(d), innerLineLength = ($$.gaugeArcWidth /\r\n $$.filterTargetsToShow($$.data.targets).length) *\r\n (updated.index + 1), lineAngle = updated.endAngle - Math.PI / 2, arcInnerRadius = $$.radius - innerLineLength, linePositioningAngle = lineAngle - (arcInnerRadius === 0 ? 0 : 1 / arcInnerRadius);\r\n lineLength = $$.radiusExpanded - $$.radius + innerLineLength;\r\n x = Math.cos(linePositioningAngle) * arcInnerRadius;\r\n y = Math.sin(linePositioningAngle) * arcInnerRadius;\r\n transform =\r\n 'rotate(' +\r\n (lineAngle * 180) / Math.PI +\r\n ', ' +\r\n x +\r\n ', ' +\r\n y +\r\n ')';\r\n }\r\n d3.select(this)\r\n .attr('x', x)\r\n .attr('y', y)\r\n .attr('width', lineLength)\r\n .attr('height', lineThickness)\r\n .attr('transform', transform)\r\n .style('stroke-dasharray', '0, ' + (lineLength + lineThickness) + ', 0');\r\n });\r\n }\r\n }\r\n mainArc\r\n .attr('transform', function (d) {\r\n return !$$.isGaugeType(d.data) && withTransform ? 'scale(0)' : '';\r\n })\r\n .on('mouseover', config.interaction_enabled\r\n ? function (d) {\r\n var updated, arcData;\r\n if ($$.transiting) {\r\n // skip while transiting\r\n return;\r\n }\r\n updated = $$.updateAngle(d);\r\n if (updated) {\r\n arcData = $$.convertToArcData(updated);\r\n // transitions\r\n $$.expandArc(updated.data.id);\r\n $$.api.focus(updated.data.id);\r\n $$.toggleFocusLegend(updated.data.id, true);\r\n $$.config.data_onmouseover(arcData, this);\r\n }\r\n }\r\n : null)\r\n .on('mousemove', config.interaction_enabled\r\n ? function (d) {\r\n var updated = $$.updateAngle(d), arcData, selectedData;\r\n if (updated) {\r\n (arcData = $$.convertToArcData(updated)),\r\n (selectedData = [arcData]);\r\n $$.showTooltip(selectedData, this);\r\n }\r\n }\r\n : null)\r\n .on('mouseout', config.interaction_enabled\r\n ? function (d) {\r\n var updated, arcData;\r\n if ($$.transiting) {\r\n // skip while transiting\r\n return;\r\n }\r\n updated = $$.updateAngle(d);\r\n if (updated) {\r\n arcData = $$.convertToArcData(updated);\r\n // transitions\r\n $$.unexpandArc(updated.data.id);\r\n $$.api.revert();\r\n $$.revertLegend();\r\n $$.hideTooltip();\r\n $$.config.data_onmouseout(arcData, this);\r\n }\r\n }\r\n : null)\r\n .on('click', config.interaction_enabled\r\n ? function (d, i) {\r\n var updated = $$.updateAngle(d), arcData;\r\n if (updated) {\r\n arcData = $$.convertToArcData(updated);\r\n if ($$.toggleShape) {\r\n $$.toggleShape(this, arcData, i);\r\n }\r\n $$.config.data_onclick.call($$.api, arcData, this);\r\n }\r\n }\r\n : null)\r\n .each(function () {\r\n $$.transiting = true;\r\n })\r\n .transition()\r\n .duration(duration)\r\n .attrTween('d', function (d) {\r\n var updated = $$.updateAngle(d), interpolate;\r\n if (!updated) {\r\n return function () {\r\n return 'M 0 0';\r\n };\r\n }\r\n // if (this._current === d) {\r\n // this._current = {\r\n // startAngle: Math.PI*2,\r\n // endAngle: Math.PI*2,\r\n // };\r\n // }\r\n if (isNaN(this._current.startAngle)) {\r\n this._current.startAngle = 0;\r\n }\r\n if (isNaN(this._current.endAngle)) {\r\n this._current.endAngle = this._current.startAngle;\r\n }\r\n interpolate = d3.interpolate(this._current, updated);\r\n this._current = interpolate(0);\r\n return function (t) {\r\n // prevents crashing the charts once in transition and chart.destroy() has been called\r\n if ($$.config === null) {\r\n return 'M 0 0';\r\n }\r\n var interpolated = interpolate(t);\r\n interpolated.data = d.data; // data.id will be updated by interporator\r\n return $$.getArc(interpolated, true);\r\n };\r\n })\r\n .attr('transform', withTransform ? 'scale(1)' : '')\r\n .style('fill', function (d) {\r\n return $$.levelColor\r\n ? $$.levelColor(d.data.values.reduce(function (total, item) {\r\n return total + item.value;\r\n }, 0))\r\n : $$.color(d.data.id);\r\n }) // Where gauge reading color would receive customization.\r\n .call($$.endall, function () {\r\n $$.transiting = false;\r\n });\r\n arcs\r\n .exit()\r\n .transition()\r\n .duration(durationForExit)\r\n .style('opacity', 0)\r\n .remove();\r\n main\r\n .selectAll('.' + CLASS.chartArc)\r\n .select('text')\r\n .style('opacity', 0)\r\n .attr('class', function (d) {\r\n return $$.isGaugeType(d.data) ? CLASS.gaugeValue : '';\r\n })\r\n .text($$.textForArcLabel.bind($$))\r\n .attr('transform', $$.transformForArcLabel.bind($$))\r\n .style('font-size', function (d) {\r\n return $$.isGaugeType(d.data) &&\r\n $$.filterTargetsToShow($$.data.targets).length === 1\r\n ? Math.round($$.radius / 5) + 'px'\r\n : '';\r\n })\r\n .transition()\r\n .duration(duration)\r\n .style('opacity', function (d) {\r\n return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0;\r\n });\r\n main\r\n .select('.' + CLASS.chartArcsTitle)\r\n .style('opacity', $$.hasType('donut') || hasGaugeType ? 1 : 0);\r\n if (hasGaugeType) {\r\n var index_1 = 0;\r\n var backgroundArc = $$.arcs\r\n .select('g.' + CLASS.chartArcsBackground)\r\n .selectAll('path.' + CLASS.chartArcsBackground)\r\n .data($$.data.targets);\r\n backgroundArc\r\n .enter()\r\n .append('path')\r\n .attr('class', function (d, i) {\r\n return CLASS.chartArcsBackground + ' ' + CLASS.chartArcsBackground + '-' + i;\r\n })\r\n .merge(backgroundArc)\r\n .attr('d', function (d1) {\r\n if ($$.hiddenTargetIds.indexOf(d1.id) >= 0) {\r\n return 'M 0 0';\r\n }\r\n var d = {\r\n data: [{ value: config.gauge_max }],\r\n startAngle: config.gauge_startingAngle,\r\n endAngle: -1 *\r\n config.gauge_startingAngle *\r\n (config.gauge_fullCircle ? Math.PI : 1),\r\n index: index_1++\r\n };\r\n return $$.getArc(d, true, true);\r\n });\r\n backgroundArc.exit().remove();\r\n $$.arcs\r\n .select('.' + CLASS.chartArcsGaugeUnit)\r\n .attr('dy', '.75em')\r\n .text(config.gauge_label_show ? config.gauge_units : '');\r\n $$.arcs\r\n .select('.' + CLASS.chartArcsGaugeMin)\r\n .attr('dx', -1 *\r\n ($$.innerRadius +\r\n ($$.radius - $$.innerRadius) / (config.gauge_fullCircle ? 1 : 2)) +\r\n 'px')\r\n .attr('dy', '1.2em')\r\n .text(config.gauge_label_show\r\n ? $$.textForGaugeMinMax(config.gauge_min, false)\r\n : '');\r\n $$.arcs\r\n .select('.' + CLASS.chartArcsGaugeMax)\r\n .attr('dx', $$.innerRadius +\r\n ($$.radius - $$.innerRadius) / (config.gauge_fullCircle ? 1 : 2) +\r\n 'px')\r\n .attr('dy', '1.2em')\r\n .text(config.gauge_label_show\r\n ? $$.textForGaugeMinMax(config.gauge_max, true)\r\n : '');\r\n }\r\n };\r\n ChartInternal.prototype.initGauge = function () {\r\n var arcs = this.arcs;\r\n if (this.hasType('gauge')) {\r\n arcs.append('g').attr('class', CLASS.chartArcsBackground);\r\n arcs\r\n .append('text')\r\n .attr('class', CLASS.chartArcsGaugeUnit)\r\n .style('text-anchor', 'middle')\r\n .style('pointer-events', 'none');\r\n arcs\r\n .append('text')\r\n .attr('class', CLASS.chartArcsGaugeMin)\r\n .style('text-anchor', 'middle')\r\n .style('pointer-events', 'none');\r\n arcs\r\n .append('text')\r\n .attr('class', CLASS.chartArcsGaugeMax)\r\n .style('text-anchor', 'middle')\r\n .style('pointer-events', 'none');\r\n }\r\n };\r\n ChartInternal.prototype.getGaugeLabelHeight = function () {\r\n return this.config.gauge_label_show ? 20 : 0;\r\n };\n\n /**\r\n * Store value into cache\r\n *\r\n * @param key\r\n * @param value\r\n */\r\n ChartInternal.prototype.addToCache = function (key, value) {\r\n this.cache[\"$\" + key] = value;\r\n };\r\n /**\r\n * Returns a cached value or undefined\r\n *\r\n * @param key\r\n * @return {*}\r\n */\r\n ChartInternal.prototype.getFromCache = function (key) {\r\n return this.cache[\"$\" + key];\r\n };\r\n /**\r\n * Reset cached data\r\n */\r\n ChartInternal.prototype.resetCache = function () {\r\n var _this = this;\r\n Object.keys(this.cache)\r\n .filter(function (key) { return /^\\$/.test(key); })\r\n .forEach(function (key) {\r\n delete _this.cache[key];\r\n });\r\n };\r\n // Old API that stores Targets\r\n ChartInternal.prototype.hasCaches = function (ids) {\r\n for (var i = 0; i < ids.length; i++) {\r\n if (!(ids[i] in this.cache)) {\r\n return false;\r\n }\r\n }\r\n return true;\r\n };\r\n ChartInternal.prototype.addCache = function (id, target) {\r\n this.cache[id] = this.cloneTarget(target);\r\n };\r\n ChartInternal.prototype.getCaches = function (ids) {\r\n var targets = [], i;\r\n for (i = 0; i < ids.length; i++) {\r\n if (ids[i] in this.cache) {\r\n targets.push(this.cloneTarget(this.cache[ids[i]]));\r\n }\r\n }\r\n return targets;\r\n };\n\n ChartInternal.prototype.categoryName = function (i) {\r\n var config = this.config;\r\n return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i;\r\n };\n\n ChartInternal.prototype.generateTargetClass = function (targetId) {\r\n return targetId || targetId === 0 ? ('-' + targetId).replace(/\\s/g, '-') : '';\r\n };\r\n ChartInternal.prototype.generateClass = function (prefix, targetId) {\r\n return ' ' + prefix + ' ' + prefix + this.generateTargetClass(targetId);\r\n };\r\n ChartInternal.prototype.classText = function (d) {\r\n return this.generateClass(CLASS.text, d.index);\r\n };\r\n ChartInternal.prototype.classTexts = function (d) {\r\n return this.generateClass(CLASS.texts, d.id);\r\n };\r\n ChartInternal.prototype.classShape = function (d) {\r\n return this.generateClass(CLASS.shape, d.index);\r\n };\r\n ChartInternal.prototype.classShapes = function (d) {\r\n return this.generateClass(CLASS.shapes, d.id);\r\n };\r\n ChartInternal.prototype.classLine = function (d) {\r\n return this.classShape(d) + this.generateClass(CLASS.line, d.id);\r\n };\r\n ChartInternal.prototype.classLines = function (d) {\r\n return this.classShapes(d) + this.generateClass(CLASS.lines, d.id);\r\n };\r\n ChartInternal.prototype.classCircle = function (d) {\r\n return this.classShape(d) + this.generateClass(CLASS.circle, d.index);\r\n };\r\n ChartInternal.prototype.classCircles = function (d) {\r\n return this.classShapes(d) + this.generateClass(CLASS.circles, d.id);\r\n };\r\n ChartInternal.prototype.classBar = function (d) {\r\n return this.classShape(d) + this.generateClass(CLASS.bar, d.index);\r\n };\r\n ChartInternal.prototype.classBars = function (d) {\r\n return this.classShapes(d) + this.generateClass(CLASS.bars, d.id);\r\n };\r\n ChartInternal.prototype.classArc = function (d) {\r\n return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id);\r\n };\r\n ChartInternal.prototype.classArcs = function (d) {\r\n return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id);\r\n };\r\n ChartInternal.prototype.classArea = function (d) {\r\n return this.classShape(d) + this.generateClass(CLASS.area, d.id);\r\n };\r\n ChartInternal.prototype.classAreas = function (d) {\r\n return this.classShapes(d) + this.generateClass(CLASS.areas, d.id);\r\n };\r\n ChartInternal.prototype.classRegion = function (d, i) {\r\n return (this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : ''));\r\n };\r\n ChartInternal.prototype.classEvent = function (d) {\r\n return this.generateClass(CLASS.eventRect, d.index);\r\n };\r\n ChartInternal.prototype.classTarget = function (id) {\r\n var $$ = this;\r\n var additionalClassSuffix = $$.config.data_classes[id], additionalClass = '';\r\n if (additionalClassSuffix) {\r\n additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix;\r\n }\r\n return $$.generateClass(CLASS.target, id) + additionalClass;\r\n };\r\n ChartInternal.prototype.classFocus = function (d) {\r\n return this.classFocused(d) + this.classDefocused(d);\r\n };\r\n ChartInternal.prototype.classFocused = function (d) {\r\n return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : '');\r\n };\r\n ChartInternal.prototype.classDefocused = function (d) {\r\n return (' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : ''));\r\n };\r\n ChartInternal.prototype.classChartText = function (d) {\r\n return CLASS.chartText + this.classTarget(d.id);\r\n };\r\n ChartInternal.prototype.classChartLine = function (d) {\r\n return CLASS.chartLine + this.classTarget(d.id);\r\n };\r\n ChartInternal.prototype.classChartBar = function (d) {\r\n return CLASS.chartBar + this.classTarget(d.id);\r\n };\r\n ChartInternal.prototype.classChartArc = function (d) {\r\n return CLASS.chartArc + this.classTarget(d.data.id);\r\n };\r\n ChartInternal.prototype.getTargetSelectorSuffix = function (targetId) {\r\n var targetClass = this.generateTargetClass(targetId);\r\n if (window.CSS && window.CSS.escape) {\r\n return window.CSS.escape(targetClass);\r\n }\r\n // fallback on imperfect method for old browsers (does not handles unicode)\r\n return targetClass.replace(/([?!@#$%^&*()=+,.<>'\":;\\[\\]\\/|~`{}\\\\])/g, '\\\\$1');\r\n };\r\n ChartInternal.prototype.selectorTarget = function (id, prefix) {\r\n return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);\r\n };\r\n ChartInternal.prototype.selectorTargets = function (ids, prefix) {\r\n var $$ = this;\r\n ids = ids || [];\r\n return ids.length\r\n ? ids.map(function (id) {\r\n return $$.selectorTarget(id, prefix);\r\n })\r\n : null;\r\n };\r\n ChartInternal.prototype.selectorLegend = function (id) {\r\n return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id);\r\n };\r\n ChartInternal.prototype.selectorLegends = function (ids) {\r\n var $$ = this;\r\n return ids && ids.length\r\n ? ids.map(function (id) {\r\n return $$.selectorLegend(id);\r\n })\r\n : null;\r\n };\n\n ChartInternal.prototype.getClipPath = function (id) {\r\n return 'url(' + (isIE(9) ? '' : document.URL.split('#')[0]) + '#' + id + ')';\r\n };\r\n ChartInternal.prototype.appendClip = function (parent, id) {\r\n return parent\r\n .append('clipPath')\r\n .attr('id', id)\r\n .append('rect');\r\n };\r\n ChartInternal.prototype.getAxisClipX = function (forHorizontal) {\r\n // axis line width + padding for left\r\n var left = Math.max(30, this.margin.left);\r\n return forHorizontal ? -(1 + left) : -(left - 1);\r\n };\r\n ChartInternal.prototype.getAxisClipY = function (forHorizontal) {\r\n return forHorizontal ? -20 : -this.margin.top;\r\n };\r\n ChartInternal.prototype.getXAxisClipX = function () {\r\n var $$ = this;\r\n return $$.getAxisClipX(!$$.config.axis_rotated);\r\n };\r\n ChartInternal.prototype.getXAxisClipY = function () {\r\n var $$ = this;\r\n return $$.getAxisClipY(!$$.config.axis_rotated);\r\n };\r\n ChartInternal.prototype.getYAxisClipX = function () {\r\n var $$ = this;\r\n return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated);\r\n };\r\n ChartInternal.prototype.getYAxisClipY = function () {\r\n var $$ = this;\r\n return $$.getAxisClipY($$.config.axis_rotated);\r\n };\r\n ChartInternal.prototype.getAxisClipWidth = function (forHorizontal) {\r\n var $$ = this, left = Math.max(30, $$.margin.left), right = Math.max(30, $$.margin.right);\r\n // width + axis line width + padding for left/right\r\n return forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20;\r\n };\r\n ChartInternal.prototype.getAxisClipHeight = function (forHorizontal) {\r\n // less than 20 is not enough to show the axis label 'outer' without legend\r\n return ((forHorizontal ? this.margin.bottom : this.margin.top + this.height) + 20);\r\n };\r\n ChartInternal.prototype.getXAxisClipWidth = function () {\r\n var $$ = this;\r\n return $$.getAxisClipWidth(!$$.config.axis_rotated);\r\n };\r\n ChartInternal.prototype.getXAxisClipHeight = function () {\r\n var $$ = this;\r\n return $$.getAxisClipHeight(!$$.config.axis_rotated);\r\n };\r\n ChartInternal.prototype.getYAxisClipWidth = function () {\r\n var $$ = this;\r\n return ($$.getAxisClipWidth($$.config.axis_rotated) +\r\n ($$.config.axis_y_inner ? 20 : 0));\r\n };\r\n ChartInternal.prototype.getYAxisClipHeight = function () {\r\n var $$ = this;\r\n return $$.getAxisClipHeight($$.config.axis_rotated);\r\n };\n\n ChartInternal.prototype.generateColor = function () {\r\n var $$ = this, config = $$.config, d3 = $$.d3, colors = config.data_colors, pattern = notEmpty(config.color_pattern)\r\n ? config.color_pattern\r\n : d3.schemeCategory10, callback = config.data_color, ids = [];\r\n return function (d) {\r\n var id = d.id || (d.data && d.data.id) || d, color;\r\n // if callback function is provided\r\n if (colors[id] instanceof Function) {\r\n color = colors[id](d);\r\n }\r\n // if specified, choose that color\r\n else if (colors[id]) {\r\n color = colors[id];\r\n }\r\n // if not specified, choose from pattern\r\n else {\r\n if (ids.indexOf(id) < 0) {\r\n ids.push(id);\r\n }\r\n color = pattern[ids.indexOf(id) % pattern.length];\r\n colors[id] = color;\r\n }\r\n return callback instanceof Function ? callback(color, d) : color;\r\n };\r\n };\r\n ChartInternal.prototype.generateLevelColor = function () {\r\n var $$ = this, config = $$.config, colors = config.color_pattern, threshold = config.color_threshold, asValue = threshold.unit === 'value', values = threshold.values && threshold.values.length ? threshold.values : [], max = threshold.max || 100;\r\n return notEmpty(threshold) && notEmpty(colors)\r\n ? function (value) {\r\n var i, v, color = colors[colors.length - 1];\r\n for (i = 0; i < values.length; i++) {\r\n v = asValue ? value : (value * 100) / max;\r\n if (v < values[i]) {\r\n color = colors[i];\r\n break;\r\n }\r\n }\r\n return color;\r\n }\r\n : null;\r\n };\n\n ChartInternal.prototype.getDefaultConfig = function () {\r\n var config = {\r\n bindto: '#chart',\r\n svg_classname: undefined,\r\n size_width: undefined,\r\n size_height: undefined,\r\n padding_left: undefined,\r\n padding_right: undefined,\r\n padding_top: undefined,\r\n padding_bottom: undefined,\r\n resize_auto: true,\r\n zoom_enabled: false,\r\n zoom_initialRange: undefined,\r\n zoom_type: 'scroll',\r\n zoom_disableDefaultBehavior: false,\r\n zoom_privileged: false,\r\n zoom_rescale: false,\r\n zoom_onzoom: function () { },\r\n zoom_onzoomstart: function () { },\r\n zoom_onzoomend: function () { },\r\n zoom_x_min: undefined,\r\n zoom_x_max: undefined,\r\n interaction_brighten: true,\r\n interaction_enabled: true,\r\n onmouseover: function () { },\r\n onmouseout: function () { },\r\n onresize: function () { },\r\n onresized: function () { },\r\n oninit: function () { },\r\n onrendered: function () { },\r\n transition_duration: 350,\r\n data_epochs: 'epochs',\r\n data_x: undefined,\r\n data_xs: {},\r\n data_xFormat: '%Y-%m-%d',\r\n data_xLocaltime: true,\r\n data_xSort: true,\r\n data_idConverter: function (id) {\r\n return id;\r\n },\r\n data_names: {},\r\n data_classes: {},\r\n data_groups: [],\r\n data_axes: {},\r\n data_type: undefined,\r\n data_types: {},\r\n data_labels: {},\r\n data_order: 'desc',\r\n data_regions: {},\r\n data_color: undefined,\r\n data_colors: {},\r\n data_hide: false,\r\n data_filter: undefined,\r\n data_selection_enabled: false,\r\n data_selection_grouped: false,\r\n data_selection_isselectable: function () {\r\n return true;\r\n },\r\n data_selection_multiple: true,\r\n data_selection_draggable: false,\r\n data_stack_normalize: false,\r\n data_onclick: function () { },\r\n data_onmouseover: function () { },\r\n data_onmouseout: function () { },\r\n data_onselected: function () { },\r\n data_onunselected: function () { },\r\n data_url: undefined,\r\n data_headers: undefined,\r\n data_json: undefined,\r\n data_rows: undefined,\r\n data_columns: undefined,\r\n data_mimeType: undefined,\r\n data_keys: undefined,\r\n // configuration for no plot-able data supplied.\r\n data_empty_label_text: '',\r\n // subchart\r\n subchart_show: false,\r\n subchart_size_height: 60,\r\n subchart_axis_x_show: true,\r\n subchart_onbrush: function () { },\r\n // color\r\n color_pattern: [],\r\n color_threshold: {},\r\n // legend\r\n legend_show: true,\r\n legend_hide: false,\r\n legend_position: 'bottom',\r\n legend_inset_anchor: 'top-left',\r\n legend_inset_x: 10,\r\n legend_inset_y: 0,\r\n legend_inset_step: undefined,\r\n legend_item_onclick: undefined,\r\n legend_item_onmouseover: undefined,\r\n legend_item_onmouseout: undefined,\r\n legend_equally: false,\r\n legend_padding: 0,\r\n legend_item_tile_width: 10,\r\n legend_item_tile_height: 10,\r\n // axis\r\n axis_rotated: false,\r\n axis_x_show: true,\r\n axis_x_type: 'indexed',\r\n axis_x_localtime: true,\r\n axis_x_categories: [],\r\n axis_x_tick_centered: false,\r\n axis_x_tick_format: undefined,\r\n axis_x_tick_culling: {},\r\n axis_x_tick_culling_max: 10,\r\n axis_x_tick_count: undefined,\r\n axis_x_tick_fit: true,\r\n axis_x_tick_values: null,\r\n axis_x_tick_rotate: 0,\r\n axis_x_tick_outer: true,\r\n axis_x_tick_multiline: true,\r\n axis_x_tick_multilineMax: 0,\r\n axis_x_tick_width: null,\r\n axis_x_max: undefined,\r\n axis_x_min: undefined,\r\n axis_x_padding: {},\r\n axis_x_height: undefined,\r\n axis_x_selection: undefined,\r\n axis_x_label: {},\r\n axis_x_inner: undefined,\r\n axis_y_show: true,\r\n axis_y_type: 'linear',\r\n axis_y_max: undefined,\r\n axis_y_min: undefined,\r\n axis_y_inverted: false,\r\n axis_y_center: undefined,\r\n axis_y_inner: undefined,\r\n axis_y_label: {},\r\n axis_y_tick_format: undefined,\r\n axis_y_tick_outer: true,\r\n axis_y_tick_values: null,\r\n axis_y_tick_rotate: 0,\r\n axis_y_tick_count: undefined,\r\n axis_y_tick_time_type: undefined,\r\n axis_y_tick_time_interval: undefined,\r\n axis_y_padding: {},\r\n axis_y_default: undefined,\r\n axis_y2_show: false,\r\n axis_y2_type: 'linear',\r\n axis_y2_max: undefined,\r\n axis_y2_min: undefined,\r\n axis_y2_inverted: false,\r\n axis_y2_center: undefined,\r\n axis_y2_inner: undefined,\r\n axis_y2_label: {},\r\n axis_y2_tick_format: undefined,\r\n axis_y2_tick_outer: true,\r\n axis_y2_tick_values: null,\r\n axis_y2_tick_count: undefined,\r\n axis_y2_padding: {},\r\n axis_y2_default: undefined,\r\n // grid\r\n grid_x_show: false,\r\n grid_x_type: 'tick',\r\n grid_x_lines: [],\r\n grid_y_show: false,\r\n // not used\r\n // grid_y_type: 'tick',\r\n grid_y_lines: [],\r\n grid_y_ticks: 10,\r\n grid_focus_show: true,\r\n grid_lines_front: true,\r\n // point - point of each data\r\n point_show: true,\r\n point_r: 2.5,\r\n point_sensitivity: 10,\r\n point_focus_expand_enabled: true,\r\n point_focus_expand_r: undefined,\r\n point_select_r: undefined,\r\n // line\r\n line_connectNull: false,\r\n line_step_type: 'step',\r\n // bar\r\n bar_width: undefined,\r\n bar_width_ratio: 0.6,\r\n bar_width_max: undefined,\r\n bar_zerobased: true,\r\n bar_space: 0,\r\n // area\r\n area_zerobased: true,\r\n area_above: false,\r\n // pie\r\n pie_label_show: true,\r\n pie_label_format: undefined,\r\n pie_label_threshold: 0.05,\r\n pie_label_ratio: undefined,\r\n pie_expand: {},\r\n pie_expand_duration: 50,\r\n pie_padAngle: 0,\r\n // gauge\r\n gauge_fullCircle: false,\r\n gauge_label_show: true,\r\n gauge_labelLine_show: true,\r\n gauge_label_format: undefined,\r\n gauge_min: 0,\r\n gauge_max: 100,\r\n gauge_startingAngle: (-1 * Math.PI) / 2,\r\n gauge_label_extents: undefined,\r\n gauge_units: undefined,\r\n gauge_width: undefined,\r\n gauge_arcs_minWidth: 5,\r\n gauge_expand: {},\r\n gauge_expand_duration: 50,\r\n // donut\r\n donut_label_show: true,\r\n donut_label_format: undefined,\r\n donut_label_threshold: 0.05,\r\n donut_label_ratio: undefined,\r\n donut_width: undefined,\r\n donut_title: '',\r\n donut_expand: {},\r\n donut_expand_duration: 50,\r\n donut_padAngle: 0,\r\n // spline\r\n spline_interpolation_type: 'cardinal',\r\n // stanford\r\n stanford_lines: [],\r\n stanford_regions: [],\r\n stanford_texts: [],\r\n stanford_scaleMin: undefined,\r\n stanford_scaleMax: undefined,\r\n stanford_scaleWidth: undefined,\r\n stanford_scaleFormat: undefined,\r\n stanford_scaleValues: undefined,\r\n stanford_colors: undefined,\r\n stanford_padding: {\r\n top: 0,\r\n right: 0,\r\n bottom: 0,\r\n left: 0\r\n },\r\n // region - region to change style\r\n regions: [],\r\n // tooltip - show when mouseover on each data\r\n tooltip_show: true,\r\n tooltip_grouped: true,\r\n tooltip_order: undefined,\r\n tooltip_format_title: undefined,\r\n tooltip_format_name: undefined,\r\n tooltip_format_value: undefined,\r\n tooltip_horizontal: undefined,\r\n tooltip_position: undefined,\r\n tooltip_contents: function (d, defaultTitleFormat, defaultValueFormat, color) {\r\n return this.getTooltipContent\r\n ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color)\r\n : '';\r\n },\r\n tooltip_init_show: false,\r\n tooltip_init_x: 0,\r\n tooltip_init_position: { top: '0px', left: '50px' },\r\n tooltip_onshow: function () { },\r\n tooltip_onhide: function () { },\r\n // title\r\n title_text: undefined,\r\n title_padding: {\r\n top: 0,\r\n right: 0,\r\n bottom: 0,\r\n left: 0\r\n },\r\n title_position: 'top-center'\r\n };\r\n Object.keys(this.additionalConfig).forEach(function (key) {\r\n config[key] = this.additionalConfig[key];\r\n }, this);\r\n return config;\r\n };\r\n ChartInternal.prototype.additionalConfig = {};\r\n ChartInternal.prototype.loadConfig = function (config) {\r\n var this_config = this.config, target, keys, read;\r\n function find() {\r\n var key = keys.shift();\r\n // console.log(\"key =>\", key, \", target =>\", target);\r\n if (key && target && typeof target === 'object' && key in target) {\r\n target = target[key];\r\n return find();\r\n }\r\n else if (!key) {\r\n return target;\r\n }\r\n else {\r\n return undefined;\r\n }\r\n }\r\n Object.keys(this_config).forEach(function (key) {\r\n target = config;\r\n keys = key.split('_');\r\n read = find();\r\n // console.log(\"CONFIG : \", key, read);\r\n if (isDefined(read)) {\r\n this_config[key] = read;\r\n }\r\n });\r\n };\n\n ChartInternal.prototype.convertUrlToData = function (url, mimeType, headers, keys, done) {\r\n var $$ = this, type = mimeType ? mimeType : 'csv', f, converter;\r\n if (type === 'json') {\r\n f = $$.d3.json;\r\n converter = $$.convertJsonToData;\r\n }\r\n else if (type === 'tsv') {\r\n f = $$.d3.tsv;\r\n converter = $$.convertXsvToData;\r\n }\r\n else {\r\n f = $$.d3.csv;\r\n converter = $$.convertXsvToData;\r\n }\r\n f(url, headers)\r\n .then(function (data) {\r\n done.call($$, converter.call($$, data, keys));\r\n })\r\n .catch(function (error) {\r\n throw error;\r\n });\r\n };\r\n ChartInternal.prototype.convertXsvToData = function (xsv) {\r\n var keys = xsv.columns, rows = xsv;\r\n if (rows.length === 0) {\r\n return {\r\n keys: keys,\r\n rows: [keys.reduce(function (row, key) {\r\n var _a;\r\n return Object.assign(row, (_a = {}, _a[key] = null, _a));\r\n }, {})]\r\n };\r\n }\r\n else {\r\n // [].concat() is to convert result into a plain array otherwise\r\n // test is not happy because rows have properties.\r\n return { keys: keys, rows: [].concat(xsv) };\r\n }\r\n };\r\n ChartInternal.prototype.convertJsonToData = function (json, keys) {\r\n var $$ = this, new_rows = [], targetKeys, data;\r\n if (keys) {\r\n // when keys specified, json would be an array that includes objects\r\n if (keys.x) {\r\n targetKeys = keys.value.concat(keys.x);\r\n $$.config.data_x = keys.x;\r\n }\r\n else {\r\n targetKeys = keys.value;\r\n }\r\n new_rows.push(targetKeys);\r\n json.forEach(function (o) {\r\n var new_row = [];\r\n targetKeys.forEach(function (key) {\r\n // convert undefined to null because undefined data will be removed in convertDataToTargets()\r\n var v = $$.findValueInJson(o, key);\r\n if (isUndefined(v)) {\r\n v = null;\r\n }\r\n new_row.push(v);\r\n });\r\n new_rows.push(new_row);\r\n });\r\n data = $$.convertRowsToData(new_rows);\r\n }\r\n else {\r\n Object.keys(json).forEach(function (key) {\r\n new_rows.push([key].concat(json[key]));\r\n });\r\n data = $$.convertColumnsToData(new_rows);\r\n }\r\n return data;\r\n };\r\n /**\r\n * Finds value from the given nested object by the given path.\r\n * If it's not found, then this returns undefined.\r\n * @param {Object} object the object\r\n * @param {string} path the path\r\n */\r\n ChartInternal.prototype.findValueInJson = function (object, path) {\r\n if (path in object) {\r\n // If object has a key that contains . or [], return the key's value\r\n // instead of searching for an inner object.\r\n // See https://github.com/c3js/c3/issues/1691 for details.\r\n return object[path];\r\n }\r\n path = path.replace(/\\[(\\w+)\\]/g, '.$1'); // convert indexes to properties (replace [] with .)\r\n path = path.replace(/^\\./, ''); // strip a leading dot\r\n var pathArray = path.split('.');\r\n for (var i = 0; i < pathArray.length; ++i) {\r\n var k = pathArray[i];\r\n if (k in object) {\r\n object = object[k];\r\n }\r\n else {\r\n return;\r\n }\r\n }\r\n return object;\r\n };\r\n /**\r\n * Converts the rows to normalized data.\r\n * @param {any[][]} rows The row data\r\n * @return {Object}\r\n */\r\n ChartInternal.prototype.convertRowsToData = function (rows) {\r\n var newRows = [];\r\n var keys = rows[0];\r\n for (var i = 1; i < rows.length; i++) {\r\n var newRow = {};\r\n for (var j = 0; j < rows[i].length; j++) {\r\n if (isUndefined(rows[i][j])) {\r\n throw new Error('Source data is missing a component at (' + i + ',' + j + ')!');\r\n }\r\n newRow[keys[j]] = rows[i][j];\r\n }\r\n newRows.push(newRow);\r\n }\r\n return { keys: keys, rows: newRows };\r\n };\r\n /**\r\n * Converts the columns to normalized data.\r\n * @param {any[][]} columns The column data\r\n * @return {Object}\r\n */\r\n ChartInternal.prototype.convertColumnsToData = function (columns) {\r\n var newRows = [];\r\n var keys = [];\r\n for (var i = 0; i < columns.length; i++) {\r\n var key = columns[i][0];\r\n for (var j = 1; j < columns[i].length; j++) {\r\n if (isUndefined(newRows[j - 1])) {\r\n newRows[j - 1] = {};\r\n }\r\n if (isUndefined(columns[i][j])) {\r\n throw new Error('Source data is missing a component at (' + i + ',' + j + ')!');\r\n }\r\n newRows[j - 1][key] = columns[i][j];\r\n }\r\n keys.push(key);\r\n }\r\n return { keys: keys, rows: newRows };\r\n };\r\n /**\r\n * Converts the data format into the target format.\r\n * @param {!Object} data\r\n * @param {!Array} data.keys Ordered list of target IDs.\r\n * @param {!Array} data.rows Rows of data to convert.\r\n * @param {boolean} appendXs True to append to $$.data.xs, False to replace.\r\n * @return {!Array}\r\n */\r\n ChartInternal.prototype.convertDataToTargets = function (data, appendXs) {\r\n var $$ = this, config = $$.config, targets, ids, xs, keys, epochs;\r\n // handles format where keys are not orderly provided\r\n if (isArray(data)) {\r\n keys = Object.keys(data[0]);\r\n }\r\n else {\r\n keys = data.keys;\r\n data = data.rows;\r\n }\r\n xs = keys.filter($$.isX, $$);\r\n if (!$$.isStanfordGraphType()) {\r\n ids = keys.filter($$.isNotX, $$);\r\n }\r\n else {\r\n epochs = keys.filter($$.isEpochs, $$);\r\n ids = keys.filter($$.isNotXAndNotEpochs, $$);\r\n if (xs.length !== 1 || epochs.length !== 1 || ids.length !== 1) {\r\n throw new Error(\"You must define the 'x' key name and the 'epochs' for Stanford Diagrams\");\r\n }\r\n }\r\n // save x for update data by load when custom x and c3.x API\r\n ids.forEach(function (id) {\r\n var xKey = $$.getXKey(id);\r\n if ($$.isCustomX() || $$.isTimeSeries()) {\r\n // if included in input data\r\n if (xs.indexOf(xKey) >= 0) {\r\n $$.data.xs[id] = (appendXs && $$.data.xs[id]\r\n ? $$.data.xs[id]\r\n : []).concat(data\r\n .map(function (d) {\r\n return d[xKey];\r\n })\r\n .filter(isValue)\r\n .map(function (rawX, i) {\r\n return $$.generateTargetX(rawX, id, i);\r\n }));\r\n }\r\n // if not included in input data, find from preloaded data of other id's x\r\n else if (config.data_x) {\r\n $$.data.xs[id] = $$.getOtherTargetXs();\r\n }\r\n // if not included in input data, find from preloaded data\r\n else if (notEmpty(config.data_xs)) {\r\n $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);\r\n }\r\n // MEMO: if no x included, use same x of current will be used\r\n }\r\n else {\r\n $$.data.xs[id] = data.map(function (d, i) {\r\n return i;\r\n });\r\n }\r\n });\r\n // check x is defined\r\n ids.forEach(function (id) {\r\n if (!$$.data.xs[id]) {\r\n throw new Error('x is not defined for id = \"' + id + '\".');\r\n }\r\n });\r\n // convert to target\r\n targets = ids.map(function (id, index) {\r\n var convertedId = config.data_idConverter(id);\r\n return {\r\n id: convertedId,\r\n id_org: id,\r\n values: data\r\n .map(function (d, i) {\r\n var xKey = $$.getXKey(id), rawX = d[xKey], value = d[id] !== null && !isNaN(d[id]) ? +d[id] : null, x, returnData;\r\n // use x as categories if custom x and categorized\r\n if ($$.isCustomX() && $$.isCategorized() && !isUndefined(rawX)) {\r\n if (index === 0 && i === 0) {\r\n config.axis_x_categories = [];\r\n }\r\n x = config.axis_x_categories.indexOf(rawX);\r\n if (x === -1) {\r\n x = config.axis_x_categories.length;\r\n config.axis_x_categories.push(rawX);\r\n }\r\n }\r\n else {\r\n x = $$.generateTargetX(rawX, id, i);\r\n }\r\n // mark as x = undefined if value is undefined and filter to remove after mapped\r\n if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {\r\n x = undefined;\r\n }\r\n returnData = { x: x, value: value, id: convertedId };\r\n if ($$.isStanfordGraphType()) {\r\n returnData.epochs = d[epochs];\r\n }\r\n return returnData;\r\n })\r\n .filter(function (v) {\r\n return isDefined(v.x);\r\n })\r\n };\r\n });\r\n // finish targets\r\n targets.forEach(function (t) {\r\n var i;\r\n // sort values by its x\r\n if (config.data_xSort) {\r\n t.values = t.values.sort(function (v1, v2) {\r\n var x1 = v1.x || v1.x === 0 ? v1.x : Infinity, x2 = v2.x || v2.x === 0 ? v2.x : Infinity;\r\n return x1 - x2;\r\n });\r\n }\r\n // indexing each value\r\n i = 0;\r\n t.values.forEach(function (v) {\r\n v.index = i++;\r\n });\r\n // this needs to be sorted because its index and value.index is identical\r\n $$.data.xs[t.id].sort(function (v1, v2) {\r\n return v1 - v2;\r\n });\r\n });\r\n // cache information about values\r\n $$.hasNegativeValue = $$.hasNegativeValueInTargets(targets);\r\n $$.hasPositiveValue = $$.hasPositiveValueInTargets(targets);\r\n // set target types\r\n if (config.data_type) {\r\n $$.setTargetType($$.mapToIds(targets).filter(function (id) {\r\n return !(id in config.data_types);\r\n }), config.data_type);\r\n }\r\n // cache as original id keyed\r\n targets.forEach(function (d) {\r\n $$.addCache(d.id_org, d);\r\n });\r\n return targets;\r\n };\n\n ChartInternal.prototype.isEpochs = function (key) {\r\n var $$ = this, config = $$.config;\r\n return config.data_epochs && key === config.data_epochs;\r\n };\r\n ChartInternal.prototype.isX = function (key) {\r\n var $$ = this, config = $$.config;\r\n return ((config.data_x && key === config.data_x) ||\r\n (notEmpty(config.data_xs) && hasValue(config.data_xs, key)));\r\n };\r\n ChartInternal.prototype.isNotX = function (key) {\r\n return !this.isX(key);\r\n };\r\n ChartInternal.prototype.isNotXAndNotEpochs = function (key) {\r\n return !this.isX(key) && !this.isEpochs(key);\r\n };\r\n /**\r\n * Returns whether the normalized stack option is enabled or not.\r\n *\r\n * To be enabled it must also have data.groups defined.\r\n *\r\n * @return {boolean}\r\n */\r\n ChartInternal.prototype.isStackNormalized = function () {\r\n return this.config.data_stack_normalize && this.config.data_groups.length > 0;\r\n };\r\n /**\r\n * Returns whether the axis is normalized or not.\r\n *\r\n * An axis is normalized as long as one of its associated target\r\n * is normalized.\r\n *\r\n * @param axisId Axis ID (y or y2)\r\n * @return {Boolean}\r\n */\r\n ChartInternal.prototype.isAxisNormalized = function (axisId) {\r\n var $$ = this;\r\n if (!$$.isStackNormalized()) {\r\n // shortcut\r\n return false;\r\n }\r\n return $$.data.targets\r\n .filter(function (target) { return $$.axis.getId(target.id) === axisId; })\r\n .some(function (target) { return $$.isTargetNormalized(target.id); });\r\n };\r\n /**\r\n * Returns whether the values for this target ID is normalized or not.\r\n *\r\n * To be normalized the option needs to be enabled and target needs\r\n * to be defined in `data.groups`.\r\n *\r\n * @param targetId ID of the target\r\n * @return {Boolean} True if the target is normalized, false otherwise.\r\n */\r\n ChartInternal.prototype.isTargetNormalized = function (targetId) {\r\n var $$ = this;\r\n return ($$.isStackNormalized() &&\r\n $$.config.data_groups.some(function (group) { return group.includes(targetId); }));\r\n };\r\n ChartInternal.prototype.getXKey = function (id) {\r\n var $$ = this, config = $$.config;\r\n return config.data_x\r\n ? config.data_x\r\n : notEmpty(config.data_xs)\r\n ? config.data_xs[id]\r\n : null;\r\n };\r\n /**\r\n * Get sum of visible data per index for given axis.\r\n *\r\n * Expect axisId to be either 'y' or 'y2'.\r\n *\r\n * @private\r\n * @param axisId Compute sum for data associated to given axis.\r\n * @return {Array}\r\n */\r\n ChartInternal.prototype.getTotalPerIndex = function (axisId) {\r\n var $$ = this;\r\n if (!$$.isStackNormalized()) {\r\n return null;\r\n }\r\n var cached = $$.getFromCache('getTotalPerIndex');\r\n if (cached !== undefined) {\r\n return cached[axisId];\r\n }\r\n var sum = { y: [], y2: [] };\r\n $$.data.targets\r\n // keep only target that are normalized\r\n .filter(function (target) { return $$.isTargetNormalized(target.id); })\r\n // keep only target that are visible\r\n .filter(function (target) { return $$.isTargetToShow(target.id); })\r\n // compute sum per axis\r\n .forEach(function (target) {\r\n var sumByAxis = sum[$$.axis.getId(target.id)];\r\n target.values.forEach(function (v, i) {\r\n if (!sumByAxis[i]) {\r\n sumByAxis[i] = 0;\r\n }\r\n sumByAxis[i] += isNumber(v.value) ? v.value : 0;\r\n });\r\n });\r\n $$.addToCache('getTotalPerIndex', sum);\r\n return sum[axisId];\r\n };\r\n /**\r\n * Get sum of visible data.\r\n *\r\n * Should be used for normalised data only since all values\r\n * are expected to be positive.\r\n *\r\n * @private\r\n * @return {Number}\r\n */\r\n ChartInternal.prototype.getTotalDataSum = function () {\r\n var $$ = this;\r\n var cached = $$.getFromCache('getTotalDataSum');\r\n if (cached !== undefined) {\r\n return cached;\r\n }\r\n var totalDataSum = flattenArray($$.data.targets\r\n .filter(function (target) { return $$.isTargetToShow(target.id); })\r\n .map(function (target) { return target.values; }))\r\n .map(function (d) { return d.value; })\r\n .reduce(function (p, c) { return p + c; }, 0);\r\n $$.addToCache('getTotalDataSum', totalDataSum);\r\n return totalDataSum;\r\n };\r\n ChartInternal.prototype.getXValuesOfXKey = function (key, targets) {\r\n var $$ = this, xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];\r\n ids.forEach(function (id) {\r\n if ($$.getXKey(id) === key) {\r\n xValues = $$.data.xs[id];\r\n }\r\n });\r\n return xValues;\r\n };\r\n ChartInternal.prototype.getXValue = function (id, i) {\r\n var $$ = this;\r\n return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i])\r\n ? $$.data.xs[id][i]\r\n : i;\r\n };\r\n ChartInternal.prototype.getOtherTargetXs = function () {\r\n var $$ = this, idsForX = Object.keys($$.data.xs);\r\n return idsForX.length ? $$.data.xs[idsForX[0]] : null;\r\n };\r\n ChartInternal.prototype.getOtherTargetX = function (index) {\r\n var xs = this.getOtherTargetXs();\r\n return xs && index < xs.length ? xs[index] : null;\r\n };\r\n ChartInternal.prototype.addXs = function (xs) {\r\n var $$ = this;\r\n Object.keys(xs).forEach(function (id) {\r\n $$.config.data_xs[id] = xs[id];\r\n });\r\n };\r\n ChartInternal.prototype.addName = function (data) {\r\n var $$ = this, name;\r\n if (data) {\r\n name = $$.config.data_names[data.id];\r\n data.name = name !== undefined ? name : data.id;\r\n }\r\n return data;\r\n };\r\n ChartInternal.prototype.getValueOnIndex = function (values, index) {\r\n var valueOnIndex = values.filter(function (v) {\r\n return v.index === index;\r\n });\r\n return valueOnIndex.length ? valueOnIndex[0] : null;\r\n };\r\n ChartInternal.prototype.updateTargetX = function (targets, x) {\r\n var $$ = this;\r\n targets.forEach(function (t) {\r\n t.values.forEach(function (v, i) {\r\n v.x = $$.generateTargetX(x[i], t.id, i);\r\n });\r\n $$.data.xs[t.id] = x;\r\n });\r\n };\r\n ChartInternal.prototype.updateTargetXs = function (targets, xs) {\r\n var $$ = this;\r\n targets.forEach(function (t) {\r\n if (xs[t.id]) {\r\n $$.updateTargetX([t], xs[t.id]);\r\n }\r\n });\r\n };\r\n ChartInternal.prototype.generateTargetX = function (rawX, id, index) {\r\n var $$ = this, x;\r\n if ($$.isTimeSeries()) {\r\n x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));\r\n }\r\n else if ($$.isCustomX() && !$$.isCategorized()) {\r\n x = isValue(rawX) ? +rawX : $$.getXValue(id, index);\r\n }\r\n else {\r\n x = index;\r\n }\r\n return x;\r\n };\r\n ChartInternal.prototype.cloneTarget = function (target) {\r\n return {\r\n id: target.id,\r\n id_org: target.id_org,\r\n values: target.values.map(function (d) {\r\n return {\r\n x: d.x,\r\n value: d.value,\r\n id: d.id\r\n };\r\n })\r\n };\r\n };\r\n ChartInternal.prototype.getMaxDataCount = function () {\r\n var $$ = this;\r\n return $$.d3.max($$.data.targets, function (t) {\r\n return t.values.length;\r\n });\r\n };\r\n ChartInternal.prototype.mapToIds = function (targets) {\r\n return targets.map(function (d) {\r\n return d.id;\r\n });\r\n };\r\n ChartInternal.prototype.mapToTargetIds = function (ids) {\r\n var $$ = this;\r\n return ids ? [].concat(ids) : $$.mapToIds($$.data.targets);\r\n };\r\n ChartInternal.prototype.hasTarget = function (targets, id) {\r\n var ids = this.mapToIds(targets), i;\r\n for (i = 0; i < ids.length; i++) {\r\n if (ids[i] === id) {\r\n return true;\r\n }\r\n }\r\n return false;\r\n };\r\n ChartInternal.prototype.isTargetToShow = function (targetId) {\r\n return this.hiddenTargetIds.indexOf(targetId) < 0;\r\n };\r\n ChartInternal.prototype.isLegendToShow = function (targetId) {\r\n return this.hiddenLegendIds.indexOf(targetId) < 0;\r\n };\r\n /**\r\n * Returns only visible targets.\r\n *\r\n * This is the same as calling {@link filterTargetsToShow} on $$.data.targets.\r\n *\r\n * @return {Array}\r\n */\r\n ChartInternal.prototype.getTargetsToShow = function () {\r\n var $$ = this;\r\n return $$.filterTargetsToShow($$.data.targets);\r\n };\r\n ChartInternal.prototype.filterTargetsToShow = function (targets) {\r\n var $$ = this;\r\n return targets.filter(function (t) {\r\n return $$.isTargetToShow(t.id);\r\n });\r\n };\r\n /**\r\n * @return {Array} Returns all the targets attached to the chart, visible or not\r\n */\r\n ChartInternal.prototype.getTargets = function () {\r\n var $$ = this;\r\n return $$.data.targets;\r\n };\r\n ChartInternal.prototype.mapTargetsToUniqueXs = function (targets) {\r\n var $$ = this;\r\n var xs = $$.d3\r\n .set($$.d3.merge(targets.map(function (t) {\r\n return t.values.map(function (v) {\r\n return +v.x;\r\n });\r\n })))\r\n .values();\r\n xs = $$.isTimeSeries()\r\n ? xs.map(function (x) {\r\n return new Date(+x);\r\n })\r\n : xs.map(function (x) {\r\n return +x;\r\n });\r\n return xs.sort(function (a, b) {\r\n return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;\r\n });\r\n };\r\n ChartInternal.prototype.addHiddenTargetIds = function (targetIds) {\r\n targetIds = targetIds instanceof Array ? targetIds : new Array(targetIds);\r\n for (var i = 0; i < targetIds.length; i++) {\r\n if (this.hiddenTargetIds.indexOf(targetIds[i]) < 0) {\r\n this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds[i]);\r\n }\r\n }\r\n this.resetCache();\r\n };\r\n ChartInternal.prototype.removeHiddenTargetIds = function (targetIds) {\r\n this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) {\r\n return targetIds.indexOf(id) < 0;\r\n });\r\n this.resetCache();\r\n };\r\n ChartInternal.prototype.addHiddenLegendIds = function (targetIds) {\r\n targetIds = targetIds instanceof Array ? targetIds : new Array(targetIds);\r\n for (var i = 0; i < targetIds.length; i++) {\r\n if (this.hiddenLegendIds.indexOf(targetIds[i]) < 0) {\r\n this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds[i]);\r\n }\r\n }\r\n };\r\n ChartInternal.prototype.removeHiddenLegendIds = function (targetIds) {\r\n this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) {\r\n return targetIds.indexOf(id) < 0;\r\n });\r\n };\r\n ChartInternal.prototype.getValuesAsIdKeyed = function (targets) {\r\n var ys = {};\r\n targets.forEach(function (t) {\r\n ys[t.id] = [];\r\n t.values.forEach(function (v) {\r\n ys[t.id].push(v.value);\r\n });\r\n });\r\n return ys;\r\n };\r\n ChartInternal.prototype.checkValueInTargets = function (targets, checker) {\r\n var ids = Object.keys(targets), i, j, values;\r\n for (i = 0; i < ids.length; i++) {\r\n values = targets[ids[i]].values;\r\n for (j = 0; j < values.length; j++) {\r\n if (checker(values[j].value)) {\r\n return true;\r\n }\r\n }\r\n }\r\n return false;\r\n };\r\n ChartInternal.prototype.hasNegativeValueInTargets = function (targets) {\r\n return this.checkValueInTargets(targets, function (v) {\r\n return v < 0;\r\n });\r\n };\r\n ChartInternal.prototype.hasPositiveValueInTargets = function (targets) {\r\n return this.checkValueInTargets(targets, function (v) {\r\n return v > 0;\r\n });\r\n };\r\n ChartInternal.prototype.isOrderDesc = function () {\r\n var config = this.config;\r\n return (typeof config.data_order === 'string' &&\r\n config.data_order.toLowerCase() === 'desc');\r\n };\r\n ChartInternal.prototype.isOrderAsc = function () {\r\n var config = this.config;\r\n return (typeof config.data_order === 'string' &&\r\n config.data_order.toLowerCase() === 'asc');\r\n };\r\n ChartInternal.prototype.getOrderFunction = function () {\r\n var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc();\r\n if (orderAsc || orderDesc) {\r\n var reducer = function (p, c) {\r\n return p + Math.abs(c.value);\r\n };\r\n return function (t1, t2) {\r\n var t1Sum = t1.values.reduce(reducer, 0), t2Sum = t2.values.reduce(reducer, 0);\r\n return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;\r\n };\r\n }\r\n else if (isFunction(config.data_order)) {\r\n return config.data_order;\r\n }\r\n else if (isArray(config.data_order)) {\r\n var order = config.data_order;\r\n return function (t1, t2) {\r\n return order.indexOf(t1.id) - order.indexOf(t2.id);\r\n };\r\n }\r\n };\r\n ChartInternal.prototype.orderTargets = function (targets) {\r\n var fct = this.getOrderFunction();\r\n if (fct) {\r\n targets.sort(fct);\r\n }\r\n return targets;\r\n };\r\n /**\r\n * Returns all the values from the given targets at the given index.\r\n *\r\n * @param {Array} targets\r\n * @param {Number} index\r\n * @return {Array}\r\n */\r\n ChartInternal.prototype.filterByIndex = function (targets, index) {\r\n return this.d3.merge(targets.map(function (t) { return t.values.filter(function (v) { return v.index === index; }); }));\r\n };\r\n ChartInternal.prototype.filterByX = function (targets, x) {\r\n return this.d3\r\n .merge(targets.map(function (t) {\r\n return t.values;\r\n }))\r\n .filter(function (v) {\r\n return v.x - x === 0;\r\n });\r\n };\r\n ChartInternal.prototype.filterRemoveNull = function (data) {\r\n return data.filter(function (d) {\r\n return isValue(d.value);\r\n });\r\n };\r\n ChartInternal.prototype.filterByXDomain = function (targets, xDomain) {\r\n return targets.map(function (t) {\r\n return {\r\n id: t.id,\r\n id_org: t.id_org,\r\n values: t.values.filter(function (v) {\r\n return xDomain[0] <= v.x && v.x <= xDomain[1];\r\n })\r\n };\r\n });\r\n };\r\n ChartInternal.prototype.hasDataLabel = function () {\r\n var config = this.config;\r\n if (typeof config.data_labels === 'boolean' && config.data_labels) {\r\n return true;\r\n }\r\n else if (typeof config.data_labels === 'object' &&\r\n notEmpty(config.data_labels)) {\r\n return true;\r\n }\r\n return false;\r\n };\r\n ChartInternal.prototype.getDataLabelLength = function (min, max, key) {\r\n var $$ = this, lengths = [0, 0], paddingCoef = 1.3;\r\n $$.selectChart\r\n .select('svg')\r\n .selectAll('.dummy')\r\n .data([min, max])\r\n .enter()\r\n .append('text')\r\n .text(function (d) {\r\n return $$.dataLabelFormat(d.id)(d);\r\n })\r\n .each(function (d, i) {\r\n lengths[i] = getBBox(this)[key] * paddingCoef;\r\n })\r\n .remove();\r\n return lengths;\r\n };\r\n /**\r\n * Returns true if the given data point is not arc type, otherwise false.\r\n * @param {Object} d The data point\r\n * @return {boolean}\r\n */\r\n ChartInternal.prototype.isNoneArc = function (d) {\r\n return this.hasTarget(this.data.targets, d.id);\r\n };\r\n /**\r\n * Returns true if the given data point is arc type, otherwise false.\r\n * @param {Object} d The data point\r\n * @return {boolean}\r\n */\r\n ChartInternal.prototype.isArc = function (d) {\r\n return 'data' in d && this.hasTarget(this.data.targets, d.data.id);\r\n };\r\n /**\r\n * Find the closest point from the given pos among the given targets or\r\n * undefined if none satisfies conditions.\r\n *\r\n * @param {Array} targets\r\n * @param {Array} pos An [x,y] coordinate\r\n * @return {Object|undefined}\r\n */\r\n ChartInternal.prototype.findClosestFromTargets = function (targets, pos) {\r\n var $$ = this;\r\n // for each target, find the closest point\r\n var candidates = targets\r\n .map(function (t) {\r\n return $$.findClosest(t.values, pos, $$.config.tooltip_horizontal\r\n ? $$.horizontalDistance.bind($$)\r\n : $$.dist.bind($$), $$.config.point_sensitivity);\r\n })\r\n .filter(function (v) { return v; });\r\n // returns the closest of candidates\r\n if (candidates.length === 0) {\r\n return undefined;\r\n }\r\n else if (candidates.length === 1) {\r\n return candidates[0];\r\n }\r\n else {\r\n return $$.findClosest(candidates, pos, $$.dist.bind($$));\r\n }\r\n };\r\n /**\r\n * Find the closest point from the x value or undefined if none satisfies conditions.\r\n *\r\n * @param {Array} targets\r\n * @param {Array} x A value on X axis\r\n * @return {Object|undefined}\r\n */\r\n ChartInternal.prototype.findClosestFromTargetsByX = function (targets, x) {\r\n var closest;\r\n var diff;\r\n targets.forEach(function (t) {\r\n t.values.forEach(function (d) {\r\n var newDiff = Math.abs(x - d.x);\r\n if (diff === undefined || newDiff < diff) {\r\n closest = d;\r\n diff = newDiff;\r\n }\r\n });\r\n });\r\n return closest;\r\n };\r\n /**\r\n * Using given compute distance method, returns the closest data point from the\r\n * given position.\r\n *\r\n * Giving optionally a minimum distance to satisfy.\r\n *\r\n * @param {Array} dataPoints List of DataPoints\r\n * @param {Array} pos An [x,y] coordinate\r\n * @param {Function} computeDist Function to compute distance between 2 points\r\n * @param {Number} minDist Minimal distance to satisfy\r\n * @return {Object|undefined} Closest data point\r\n */\r\n ChartInternal.prototype.findClosest = function (dataPoints, pos, computeDist, minDist) {\r\n if (minDist === void 0) { minDist = Infinity; }\r\n var $$ = this;\r\n var closest;\r\n // find closest bar\r\n dataPoints\r\n .filter(function (v) { return v && $$.isBarType(v.id); })\r\n .forEach(function (v) {\r\n if (!closest) {\r\n var shape = $$.main\r\n .select('.' +\r\n CLASS.bars +\r\n $$.getTargetSelectorSuffix(v.id) +\r\n ' .' +\r\n CLASS.bar +\r\n '-' +\r\n v.index)\r\n .node();\r\n if ($$.isWithinBar(pos, shape)) {\r\n closest = v;\r\n }\r\n }\r\n });\r\n // find closest point from non-bar\r\n dataPoints\r\n .filter(function (v) { return v && !$$.isBarType(v.id); })\r\n .forEach(function (v) {\r\n var d = computeDist(v, pos);\r\n if (d < minDist) {\r\n minDist = d;\r\n closest = v;\r\n }\r\n });\r\n return closest;\r\n };\r\n ChartInternal.prototype.dist = function (data, pos) {\r\n var $$ = this, config = $$.config, xIndex = config.axis_rotated ? 1 : 0, yIndex = config.axis_rotated ? 0 : 1, y = $$.circleY(data, data.index), x = $$.x(data.x);\r\n return Math.sqrt(Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2));\r\n };\r\n ChartInternal.prototype.horizontalDistance = function (data, pos) {\r\n var $$ = this, config = $$.config, xIndex = config.axis_rotated ? 1 : 0, x = $$.x(data.x);\r\n return Math.abs(x - pos[xIndex]);\r\n };\r\n ChartInternal.prototype.convertValuesToStep = function (values) {\r\n var converted = [].concat(values), i;\r\n if (!this.isCategorized()) {\r\n return values;\r\n }\r\n for (i = values.length + 1; 0 < i; i--) {\r\n converted[i] = converted[i - 1];\r\n }\r\n converted[0] = {\r\n x: converted[0].x - 1,\r\n value: converted[0].value,\r\n id: converted[0].id\r\n };\r\n converted[values.length + 1] = {\r\n x: converted[values.length].x + 1,\r\n value: converted[values.length].value,\r\n id: converted[values.length].id\r\n };\r\n return converted;\r\n };\r\n /**\r\n * Get ratio value\r\n *\r\n * @param {String} type Ratio for given type\r\n * @param {Object} d Data value object\r\n * @param {Boolean} asPercent Convert the return as percent or not\r\n * @return {Number} Ratio value\r\n * @private\r\n */\r\n ChartInternal.prototype.getRatio = function (type, d, asPercent) {\r\n if (asPercent === void 0) { asPercent = false; }\r\n var $$ = this;\r\n var api = $$.api;\r\n var ratio = 0;\r\n if (d && api.data.shown.call(api).length) {\r\n ratio = d.ratio || d.value;\r\n if (type === 'arc') {\r\n if ($$.hasType('gauge')) {\r\n ratio =\r\n (d.endAngle - d.startAngle) /\r\n (Math.PI * ($$.config.gauge_fullCircle ? 2 : 1));\r\n }\r\n else {\r\n var total = $$.getTotalDataSum();\r\n ratio = d.value / total;\r\n }\r\n }\r\n else if (type === 'index') {\r\n var total = $$.getTotalPerIndex($$.axis.getId(d.id));\r\n d.ratio =\r\n isNumber(d.value) && total && total[d.index] > 0\r\n ? d.value / total[d.index]\r\n : 0;\r\n ratio = d.ratio;\r\n }\r\n }\r\n return asPercent && ratio ? ratio * 100 : ratio;\r\n };\r\n ChartInternal.prototype.updateDataAttributes = function (name, attrs) {\r\n var $$ = this, config = $$.config, current = config['data_' + name];\r\n if (typeof attrs === 'undefined') {\r\n return current;\r\n }\r\n Object.keys(attrs).forEach(function (id) {\r\n current[id] = attrs[id];\r\n });\r\n $$.redraw({\r\n withLegend: true\r\n });\r\n return current;\r\n };\n\n ChartInternal.prototype.load = function (targets, args) {\r\n var $$ = this;\r\n if (targets) {\r\n // filter loading targets if needed\r\n if (args.filter) {\r\n targets = targets.filter(args.filter);\r\n }\r\n // set type if args.types || args.type specified\r\n if (args.type || args.types) {\r\n targets.forEach(function (t) {\r\n var type = args.types && args.types[t.id] ? args.types[t.id] : args.type;\r\n $$.setTargetType(t.id, type);\r\n });\r\n }\r\n // Update/Add data\r\n $$.data.targets.forEach(function (d) {\r\n for (var i = 0; i < targets.length; i++) {\r\n if (d.id === targets[i].id) {\r\n d.values = targets[i].values;\r\n targets.splice(i, 1);\r\n break;\r\n }\r\n }\r\n });\r\n $$.data.targets = $$.data.targets.concat(targets); // add remained\r\n }\r\n // Set targets\r\n $$.updateTargets($$.data.targets);\r\n // Redraw with new targets\r\n $$.redraw({\r\n withUpdateOrgXDomain: true,\r\n withUpdateXDomain: true,\r\n withLegend: true\r\n });\r\n if (args.done) {\r\n args.done();\r\n }\r\n };\r\n ChartInternal.prototype.loadFromArgs = function (args) {\r\n var $$ = this;\r\n $$.resetCache();\r\n if (args.data) {\r\n $$.load($$.convertDataToTargets(args.data), args);\r\n }\r\n else if (args.url) {\r\n $$.convertUrlToData(args.url, args.mimeType, args.headers, args.keys, function (data) {\r\n $$.load($$.convertDataToTargets(data), args);\r\n });\r\n }\r\n else if (args.json) {\r\n $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);\r\n }\r\n else if (args.rows) {\r\n $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);\r\n }\r\n else if (args.columns) {\r\n $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);\r\n }\r\n else {\r\n $$.load(null, args);\r\n }\r\n };\r\n ChartInternal.prototype.unload = function (targetIds, done) {\r\n var $$ = this;\r\n $$.resetCache();\r\n if (!done) {\r\n done = function () { };\r\n }\r\n // filter existing target\r\n targetIds = targetIds.filter(function (id) {\r\n return $$.hasTarget($$.data.targets, id);\r\n });\r\n // If no target, call done and return\r\n if (!targetIds || targetIds.length === 0) {\r\n done();\r\n return;\r\n }\r\n $$.svg\r\n .selectAll(targetIds.map(function (id) {\r\n return $$.selectorTarget(id);\r\n }))\r\n .transition()\r\n .style('opacity', 0)\r\n .remove()\r\n .call($$.endall, done);\r\n targetIds.forEach(function (id) {\r\n // Reset fadein for future load\r\n $$.withoutFadeIn[id] = false;\r\n // Remove target's elements\r\n if ($$.legend) {\r\n $$.legend\r\n .selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id))\r\n .remove();\r\n }\r\n // Remove target\r\n $$.data.targets = $$.data.targets.filter(function (t) {\r\n return t.id !== id;\r\n });\r\n });\r\n };\n\n ChartInternal.prototype.getYDomainMin = function (targets) {\r\n var $$ = this, config = $$.config, ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets), j, k, baseId, idsInGroup, id, hasNegativeValue;\r\n if (config.data_groups.length > 0) {\r\n hasNegativeValue = $$.hasNegativeValueInTargets(targets);\r\n for (j = 0; j < config.data_groups.length; j++) {\r\n // Determine baseId\r\n idsInGroup = config.data_groups[j].filter(function (id) {\r\n return ids.indexOf(id) >= 0;\r\n });\r\n if (idsInGroup.length === 0) {\r\n continue;\r\n }\r\n baseId = idsInGroup[0];\r\n // Consider negative values\r\n if (hasNegativeValue && ys[baseId]) {\r\n ys[baseId].forEach(function (v, i) {\r\n ys[baseId][i] = v < 0 ? v : 0;\r\n });\r\n }\r\n // Compute min\r\n for (k = 1; k < idsInGroup.length; k++) {\r\n id = idsInGroup[k];\r\n if (!ys[id]) {\r\n continue;\r\n }\r\n ys[id].forEach(function (v, i) {\r\n if ($$.axis.getId(id) === $$.axis.getId(baseId) &&\r\n ys[baseId] &&\r\n !(hasNegativeValue && +v > 0)) {\r\n ys[baseId][i] += +v;\r\n }\r\n });\r\n }\r\n }\r\n }\r\n return $$.d3.min(Object.keys(ys).map(function (key) {\r\n return $$.d3.min(ys[key]);\r\n }));\r\n };\r\n ChartInternal.prototype.getYDomainMax = function (targets) {\r\n var $$ = this, config = $$.config, ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets), j, k, baseId, idsInGroup, id, hasPositiveValue;\r\n if (config.data_groups.length > 0) {\r\n hasPositiveValue = $$.hasPositiveValueInTargets(targets);\r\n for (j = 0; j < config.data_groups.length; j++) {\r\n // Determine baseId\r\n idsInGroup = config.data_groups[j].filter(function (id) {\r\n return ids.indexOf(id) >= 0;\r\n });\r\n if (idsInGroup.length === 0) {\r\n continue;\r\n }\r\n baseId = idsInGroup[0];\r\n // Consider positive values\r\n if (hasPositiveValue && ys[baseId]) {\r\n ys[baseId].forEach(function (v, i) {\r\n ys[baseId][i] = v > 0 ? v : 0;\r\n });\r\n }\r\n // Compute max\r\n for (k = 1; k < idsInGroup.length; k++) {\r\n id = idsInGroup[k];\r\n if (!ys[id]) {\r\n continue;\r\n }\r\n ys[id].forEach(function (v, i) {\r\n if ($$.axis.getId(id) === $$.axis.getId(baseId) &&\r\n ys[baseId] &&\r\n !(hasPositiveValue && +v < 0)) {\r\n ys[baseId][i] += +v;\r\n }\r\n });\r\n }\r\n }\r\n }\r\n return $$.d3.max(Object.keys(ys).map(function (key) {\r\n return $$.d3.max(ys[key]);\r\n }));\r\n };\r\n ChartInternal.prototype.getYDomain = function (targets, axisId, xDomain) {\r\n var $$ = this, config = $$.config;\r\n if ($$.isAxisNormalized(axisId)) {\r\n return [0, 100];\r\n }\r\n var targetsByAxisId = targets.filter(function (t) {\r\n return $$.axis.getId(t.id) === axisId;\r\n }), yTargets = xDomain\r\n ? $$.filterByXDomain(targetsByAxisId, xDomain)\r\n : targetsByAxisId, yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min, yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max, yDomainMin = $$.getYDomainMin(yTargets), yDomainMax = $$.getYDomainMax(yTargets), domain, domainLength, padding_top, padding_bottom, center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center, yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative, isZeroBased = ($$.hasType('bar', yTargets) && config.bar_zerobased) ||\r\n ($$.hasType('area', yTargets) && config.area_zerobased), isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted, showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated, showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;\r\n // MEMO: avoid inverting domain unexpectedly\r\n yDomainMin = isValue(yMin)\r\n ? yMin\r\n : isValue(yMax)\r\n ? yDomainMin < yMax\r\n ? yDomainMin\r\n : yMax - 10\r\n : yDomainMin;\r\n yDomainMax = isValue(yMax)\r\n ? yMax\r\n : isValue(yMin)\r\n ? yMin < yDomainMax\r\n ? yDomainMax\r\n : yMin + 10\r\n : yDomainMax;\r\n if (yTargets.length === 0) {\r\n // use current domain if target of axisId is none\r\n return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();\r\n }\r\n if (isNaN(yDomainMin)) {\r\n // set minimum to zero when not number\r\n yDomainMin = 0;\r\n }\r\n if (isNaN(yDomainMax)) {\r\n // set maximum to have same value as yDomainMin\r\n yDomainMax = yDomainMin;\r\n }\r\n if (yDomainMin === yDomainMax) {\r\n yDomainMin < 0 ? (yDomainMax = 0) : (yDomainMin = 0);\r\n }\r\n isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;\r\n isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;\r\n // Cancel zerobased if axis_*_min / axis_*_max specified\r\n if ((isValue(yMin) && isAllPositive) || (isValue(yMax) && isAllNegative)) {\r\n isZeroBased = false;\r\n }\r\n // Bar/Area chart should be 0-based if all positive|negative\r\n if (isZeroBased) {\r\n if (isAllPositive) {\r\n yDomainMin = 0;\r\n }\r\n if (isAllNegative) {\r\n yDomainMax = 0;\r\n }\r\n }\r\n domainLength = Math.abs(yDomainMax - yDomainMin);\r\n padding_top = padding_bottom = domainLength * 0.1;\r\n if (typeof center !== 'undefined') {\r\n yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));\r\n yDomainMax = center + yDomainAbs;\r\n yDomainMin = center - yDomainAbs;\r\n }\r\n // add padding for data label\r\n if (showHorizontalDataLabel) {\r\n lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width');\r\n diff = diffDomain($$.y.range());\r\n ratio = [lengths[0] / diff, lengths[1] / diff];\r\n padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));\r\n padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));\r\n }\r\n else if (showVerticalDataLabel) {\r\n lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height');\r\n var pixelsToAxisPadding = $$.getY(config[\"axis_\" + axisId + \"_type\"], \r\n // input domain as pixels\r\n [0, config.axis_rotated ? $$.width : $$.height], \r\n // output range as axis padding\r\n [0, domainLength]);\r\n padding_top += pixelsToAxisPadding(lengths[1]);\r\n padding_bottom += pixelsToAxisPadding(lengths[0]);\r\n }\r\n if (axisId === 'y' && notEmpty(config.axis_y_padding)) {\r\n padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength);\r\n padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength);\r\n }\r\n if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) {\r\n padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength);\r\n padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength);\r\n }\r\n // Bar/Area chart should be 0-based if all positive|negative\r\n if (isZeroBased) {\r\n if (isAllPositive) {\r\n padding_bottom = yDomainMin;\r\n }\r\n if (isAllNegative) {\r\n padding_top = -yDomainMax;\r\n }\r\n }\r\n domain = [yDomainMin - padding_bottom, yDomainMax + padding_top];\r\n return isInverted ? domain.reverse() : domain;\r\n };\r\n ChartInternal.prototype.getXDomainMin = function (targets) {\r\n var $$ = this, config = $$.config;\r\n return isDefined(config.axis_x_min)\r\n ? $$.isTimeSeries()\r\n ? this.parseDate(config.axis_x_min)\r\n : config.axis_x_min\r\n : $$.d3.min(targets, function (t) {\r\n return $$.d3.min(t.values, function (v) {\r\n return v.x;\r\n });\r\n });\r\n };\r\n ChartInternal.prototype.getXDomainMax = function (targets) {\r\n var $$ = this, config = $$.config;\r\n return isDefined(config.axis_x_max)\r\n ? $$.isTimeSeries()\r\n ? this.parseDate(config.axis_x_max)\r\n : config.axis_x_max\r\n : $$.d3.max(targets, function (t) {\r\n return $$.d3.max(t.values, function (v) {\r\n return v.x;\r\n });\r\n });\r\n };\r\n ChartInternal.prototype.getXDomainPadding = function (domain) {\r\n var $$ = this, config = $$.config, diff = domain[1] - domain[0], maxDataCount, padding, paddingLeft, paddingRight;\r\n if ($$.isCategorized()) {\r\n padding = 0;\r\n }\r\n else if ($$.hasType('bar')) {\r\n maxDataCount = $$.getMaxDataCount();\r\n padding = maxDataCount > 1 ? diff / (maxDataCount - 1) / 2 : 0.5;\r\n }\r\n else {\r\n padding = diff * 0.01;\r\n }\r\n if (typeof config.axis_x_padding === 'object' &&\r\n notEmpty(config.axis_x_padding)) {\r\n paddingLeft = isValue(config.axis_x_padding.left)\r\n ? config.axis_x_padding.left\r\n : padding;\r\n paddingRight = isValue(config.axis_x_padding.right)\r\n ? config.axis_x_padding.right\r\n : padding;\r\n }\r\n else if (typeof config.axis_x_padding === 'number') {\r\n paddingLeft = paddingRight = config.axis_x_padding;\r\n }\r\n else {\r\n paddingLeft = paddingRight = padding;\r\n }\r\n return { left: paddingLeft, right: paddingRight };\r\n };\r\n ChartInternal.prototype.getXDomain = function (targets) {\r\n var $$ = this, xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)], firstX = xDomain[0], lastX = xDomain[1], padding = $$.getXDomainPadding(xDomain), min = 0, max = 0;\r\n // show center of x domain if min and max are the same\r\n if (firstX - lastX === 0 && !$$.isCategorized()) {\r\n if ($$.isTimeSeries()) {\r\n firstX = new Date(firstX.getTime() * 0.5);\r\n lastX = new Date(lastX.getTime() * 1.5);\r\n }\r\n else {\r\n firstX = firstX === 0 ? 1 : firstX * 0.5;\r\n lastX = lastX === 0 ? -1 : lastX * 1.5;\r\n }\r\n }\r\n if (firstX || firstX === 0) {\r\n min = $$.isTimeSeries()\r\n ? new Date(firstX.getTime() - padding.left)\r\n : firstX - padding.left;\r\n }\r\n if (lastX || lastX === 0) {\r\n max = $$.isTimeSeries()\r\n ? new Date(lastX.getTime() + padding.right)\r\n : lastX + padding.right;\r\n }\r\n return [min, max];\r\n };\r\n ChartInternal.prototype.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) {\r\n var $$ = this, config = $$.config;\r\n if (withUpdateOrgXDomain) {\r\n $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));\r\n $$.orgXDomain = $$.x.domain();\r\n if (config.zoom_enabled) {\r\n $$.zoom.update();\r\n }\r\n $$.subX.domain($$.x.domain());\r\n if ($$.brush) {\r\n $$.brush.updateScale($$.subX);\r\n }\r\n }\r\n if (withUpdateXDomain) {\r\n $$.x.domain(domain\r\n ? domain\r\n : !$$.brush || $$.brush.empty()\r\n ? $$.orgXDomain\r\n : $$.brush.selectionAsValue());\r\n }\r\n // Trim domain when too big by zoom mousemove event\r\n if (withTrim) {\r\n $$.x.domain($$.trimXDomain($$.x.orgDomain()));\r\n }\r\n return $$.x.domain();\r\n };\r\n ChartInternal.prototype.trimXDomain = function (domain) {\r\n var zoomDomain = this.getZoomDomain(), min = zoomDomain[0], max = zoomDomain[1];\r\n if (domain[0] <= min) {\r\n domain[1] = +domain[1] + (min - domain[0]);\r\n domain[0] = min;\r\n }\r\n if (max <= domain[1]) {\r\n domain[0] = +domain[0] - (domain[1] - max);\r\n domain[1] = max;\r\n }\r\n return domain;\r\n };\n\n ChartInternal.prototype.drag = function (mouse) {\r\n var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3;\r\n var sx, sy, mx, my, minX, maxX, minY, maxY;\r\n if ($$.hasArcType()) {\r\n return;\r\n }\r\n if (!config.data_selection_enabled) {\r\n return;\r\n } // do nothing if not selectable\r\n if (!config.data_selection_multiple) {\r\n return;\r\n } // skip when single selection because drag is used for multiple selection\r\n sx = $$.dragStart[0];\r\n sy = $$.dragStart[1];\r\n mx = mouse[0];\r\n my = mouse[1];\r\n minX = Math.min(sx, mx);\r\n maxX = Math.max(sx, mx);\r\n minY = config.data_selection_grouped ? $$.margin.top : Math.min(sy, my);\r\n maxY = config.data_selection_grouped ? $$.height : Math.max(sy, my);\r\n main\r\n .select('.' + CLASS.dragarea)\r\n .attr('x', minX)\r\n .attr('y', minY)\r\n .attr('width', maxX - minX)\r\n .attr('height', maxY - minY);\r\n // TODO: binary search when multiple xs\r\n main\r\n .selectAll('.' + CLASS.shapes)\r\n .selectAll('.' + CLASS.shape)\r\n .each(function (d, i) {\r\n if (!config.data_selection_isselectable(d)) {\r\n return;\r\n }\r\n var shape = d3.select(this), isSelected = shape.classed(CLASS.SELECTED), isIncluded = shape.classed(CLASS.INCLUDED), _x, _y, _w, _h, toggle, isWithin = false, box;\r\n if (shape.classed(CLASS.circle)) {\r\n _x = shape.attr('cx') * 1;\r\n _y = shape.attr('cy') * 1;\r\n toggle = $$.togglePoint;\r\n isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY;\r\n }\r\n else if (shape.classed(CLASS.bar)) {\r\n box = getPathBox(this);\r\n _x = box.x;\r\n _y = box.y;\r\n _w = box.width;\r\n _h = box.height;\r\n toggle = $$.togglePath;\r\n isWithin =\r\n !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);\r\n }\r\n else {\r\n // line/area selection not supported yet\r\n return;\r\n }\r\n if (isWithin ^ isIncluded) {\r\n shape.classed(CLASS.INCLUDED, !isIncluded);\r\n // TODO: included/unincluded callback here\r\n shape.classed(CLASS.SELECTED, !isSelected);\r\n toggle.call($$, !isSelected, shape, d, i);\r\n }\r\n });\r\n };\r\n ChartInternal.prototype.dragstart = function (mouse) {\r\n var $$ = this, config = $$.config;\r\n if ($$.hasArcType()) {\r\n return;\r\n }\r\n if (!config.data_selection_enabled) {\r\n return;\r\n } // do nothing if not selectable\r\n $$.dragStart = mouse;\r\n $$.main\r\n .select('.' + CLASS.chart)\r\n .append('rect')\r\n .attr('class', CLASS.dragarea)\r\n .style('opacity', 0.1);\r\n $$.dragging = true;\r\n };\r\n ChartInternal.prototype.dragend = function () {\r\n var $$ = this, config = $$.config;\r\n if ($$.hasArcType()) {\r\n return;\r\n }\r\n if (!config.data_selection_enabled) {\r\n return;\r\n } // do nothing if not selectable\r\n $$.main\r\n .select('.' + CLASS.dragarea)\r\n .transition()\r\n .duration(100)\r\n .style('opacity', 0)\r\n .remove();\r\n $$.main.selectAll('.' + CLASS.shape).classed(CLASS.INCLUDED, false);\r\n $$.dragging = false;\r\n };\n\n ChartInternal.prototype.getYFormat = function (forArc) {\r\n var $$ = this, formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat, formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format;\r\n return function (v, ratio, id) {\r\n var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY;\r\n return format.call($$, v, ratio);\r\n };\r\n };\r\n ChartInternal.prototype.yFormat = function (v) {\r\n var $$ = this, config = $$.config, format = config.axis_y_tick_format\r\n ? config.axis_y_tick_format\r\n : $$.defaultValueFormat;\r\n return format(v);\r\n };\r\n ChartInternal.prototype.y2Format = function (v) {\r\n var $$ = this, config = $$.config, format = config.axis_y2_tick_format\r\n ? config.axis_y2_tick_format\r\n : $$.defaultValueFormat;\r\n return format(v);\r\n };\r\n ChartInternal.prototype.defaultValueFormat = function (v) {\r\n return isValue(v) ? +v : '';\r\n };\r\n ChartInternal.prototype.defaultArcValueFormat = function (v, ratio) {\r\n return (ratio * 100).toFixed(1) + '%';\r\n };\r\n ChartInternal.prototype.dataLabelFormat = function (targetId) {\r\n var $$ = this, data_labels = $$.config.data_labels, format, defaultFormat = function (v) {\r\n return isValue(v) ? +v : '';\r\n };\r\n // find format according to axis id\r\n if (typeof data_labels.format === 'function') {\r\n format = data_labels.format;\r\n }\r\n else if (typeof data_labels.format === 'object') {\r\n if (data_labels.format[targetId]) {\r\n format =\r\n data_labels.format[targetId] === true\r\n ? defaultFormat\r\n : data_labels.format[targetId];\r\n }\r\n else {\r\n format = function () {\r\n return '';\r\n };\r\n }\r\n }\r\n else {\r\n format = defaultFormat;\r\n }\r\n return format;\r\n };\n\n ChartInternal.prototype.initGrid = function () {\r\n var $$ = this, config = $$.config, d3 = $$.d3;\r\n $$.grid = $$.main\r\n .append('g')\r\n .attr('clip-path', $$.clipPathForGrid)\r\n .attr('class', CLASS.grid);\r\n if (config.grid_x_show) {\r\n $$.grid.append('g').attr('class', CLASS.xgrids);\r\n }\r\n if (config.grid_y_show) {\r\n $$.grid.append('g').attr('class', CLASS.ygrids);\r\n }\r\n if (config.grid_focus_show) {\r\n $$.grid\r\n .append('g')\r\n .attr('class', CLASS.xgridFocus)\r\n .append('line')\r\n .attr('class', CLASS.xgridFocus);\r\n }\r\n $$.xgrid = d3.selectAll([]);\r\n if (!config.grid_lines_front) {\r\n $$.initGridLines();\r\n }\r\n };\r\n ChartInternal.prototype.initGridLines = function () {\r\n var $$ = this, d3 = $$.d3;\r\n $$.gridLines = $$.main\r\n .append('g')\r\n .attr('clip-path', $$.clipPathForGrid)\r\n .attr('class', CLASS.grid + ' ' + CLASS.gridLines);\r\n $$.gridLines.append('g').attr('class', CLASS.xgridLines);\r\n $$.gridLines.append('g').attr('class', CLASS.ygridLines);\r\n $$.xgridLines = d3.selectAll([]);\r\n };\r\n ChartInternal.prototype.updateXGrid = function (withoutUpdate) {\r\n var $$ = this, config = $$.config, d3 = $$.d3, xgridData = $$.generateGridData(config.grid_x_type, $$.x), tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0;\r\n $$.xgridAttr = config.axis_rotated\r\n ? {\r\n x1: 0,\r\n x2: $$.width,\r\n y1: function (d) {\r\n return $$.x(d) - tickOffset;\r\n },\r\n y2: function (d) {\r\n return $$.x(d) - tickOffset;\r\n }\r\n }\r\n : {\r\n x1: function (d) {\r\n return $$.x(d) + tickOffset;\r\n },\r\n x2: function (d) {\r\n return $$.x(d) + tickOffset;\r\n },\r\n y1: 0,\r\n y2: $$.height\r\n };\r\n $$.xgridAttr.opacity = function () {\r\n var pos = +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1');\r\n return pos === (config.axis_rotated ? $$.height : 0) ? 0 : 1;\r\n };\r\n var xgrid = $$.main\r\n .select('.' + CLASS.xgrids)\r\n .selectAll('.' + CLASS.xgrid)\r\n .data(xgridData);\r\n var xgridEnter = xgrid\r\n .enter()\r\n .append('line')\r\n .attr('class', CLASS.xgrid)\r\n .attr('x1', $$.xgridAttr.x1)\r\n .attr('x2', $$.xgridAttr.x2)\r\n .attr('y1', $$.xgridAttr.y1)\r\n .attr('y2', $$.xgridAttr.y2)\r\n .style('opacity', 0);\r\n $$.xgrid = xgridEnter.merge(xgrid);\r\n if (!withoutUpdate) {\r\n $$.xgrid\r\n .attr('x1', $$.xgridAttr.x1)\r\n .attr('x2', $$.xgridAttr.x2)\r\n .attr('y1', $$.xgridAttr.y1)\r\n .attr('y2', $$.xgridAttr.y2)\r\n .style('opacity', $$.xgridAttr.opacity);\r\n }\r\n xgrid.exit().remove();\r\n };\r\n ChartInternal.prototype.updateYGrid = function () {\r\n var $$ = this, config = $$.config, gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);\r\n var ygrid = $$.main\r\n .select('.' + CLASS.ygrids)\r\n .selectAll('.' + CLASS.ygrid)\r\n .data(gridValues);\r\n var ygridEnter = ygrid\r\n .enter()\r\n .append('line')\r\n // TODO: x1, x2, y1, y2, opacity need to be set here maybe\r\n .attr('class', CLASS.ygrid);\r\n $$.ygrid = ygridEnter.merge(ygrid);\r\n $$.ygrid\r\n .attr('x1', config.axis_rotated ? $$.y : 0)\r\n .attr('x2', config.axis_rotated ? $$.y : $$.width)\r\n .attr('y1', config.axis_rotated ? 0 : $$.y)\r\n .attr('y2', config.axis_rotated ? $$.height : $$.y);\r\n ygrid.exit().remove();\r\n $$.smoothLines($$.ygrid, 'grid');\r\n };\r\n ChartInternal.prototype.gridTextAnchor = function (d) {\r\n return d.position ? d.position : 'end';\r\n };\r\n ChartInternal.prototype.gridTextDx = function (d) {\r\n return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4;\r\n };\r\n ChartInternal.prototype.xGridTextX = function (d) {\r\n return d.position === 'start'\r\n ? -this.height\r\n : d.position === 'middle'\r\n ? -this.height / 2\r\n : 0;\r\n };\r\n ChartInternal.prototype.yGridTextX = function (d) {\r\n return d.position === 'start'\r\n ? 0\r\n : d.position === 'middle'\r\n ? this.width / 2\r\n : this.width;\r\n };\r\n ChartInternal.prototype.updateGrid = function (duration) {\r\n var $$ = this, main = $$.main, config = $$.config, xgridLine, xgridLineEnter, ygridLine, ygridLineEnter, xv = $$.xv.bind($$), yv = $$.yv.bind($$), xGridTextX = $$.xGridTextX.bind($$), yGridTextX = $$.yGridTextX.bind($$);\r\n // hide if arc type\r\n $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');\r\n main.select('line.' + CLASS.xgridFocus).style('visibility', 'hidden');\r\n if (config.grid_x_show) {\r\n $$.updateXGrid();\r\n }\r\n xgridLine = main\r\n .select('.' + CLASS.xgridLines)\r\n .selectAll('.' + CLASS.xgridLine)\r\n .data(config.grid_x_lines);\r\n // enter\r\n xgridLineEnter = xgridLine\r\n .enter()\r\n .append('g')\r\n .attr('class', function (d) {\r\n return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : '');\r\n });\r\n xgridLineEnter\r\n .append('line')\r\n .attr('x1', config.axis_rotated ? 0 : xv)\r\n .attr('x2', config.axis_rotated ? $$.width : xv)\r\n .attr('y1', config.axis_rotated ? xv : 0)\r\n .attr('y2', config.axis_rotated ? xv : $$.height)\r\n .style('opacity', 0);\r\n xgridLineEnter\r\n .append('text')\r\n .attr('text-anchor', $$.gridTextAnchor)\r\n .attr('transform', config.axis_rotated ? '' : 'rotate(-90)')\r\n .attr('x', config.axis_rotated ? yGridTextX : xGridTextX)\r\n .attr('y', xv)\r\n .attr('dx', $$.gridTextDx)\r\n .attr('dy', -5)\r\n .style('opacity', 0);\r\n // udpate\r\n $$.xgridLines = xgridLineEnter.merge(xgridLine);\r\n // done in d3.transition() of the end of this function\r\n // exit\r\n xgridLine\r\n .exit()\r\n .transition()\r\n .duration(duration)\r\n .style('opacity', 0)\r\n .remove();\r\n // Y-Grid\r\n if (config.grid_y_show) {\r\n $$.updateYGrid();\r\n }\r\n ygridLine = main\r\n .select('.' + CLASS.ygridLines)\r\n .selectAll('.' + CLASS.ygridLine)\r\n .data(config.grid_y_lines);\r\n // enter\r\n ygridLineEnter = ygridLine\r\n .enter()\r\n .append('g')\r\n .attr('class', function (d) {\r\n return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : '');\r\n });\r\n ygridLineEnter\r\n .append('line')\r\n .attr('x1', config.axis_rotated ? yv : 0)\r\n .attr('x2', config.axis_rotated ? yv : $$.width)\r\n .attr('y1', config.axis_rotated ? 0 : yv)\r\n .attr('y2', config.axis_rotated ? $$.height : yv)\r\n .style('opacity', 0);\r\n ygridLineEnter\r\n .append('text')\r\n .attr('text-anchor', $$.gridTextAnchor)\r\n .attr('transform', config.axis_rotated ? 'rotate(-90)' : '')\r\n .attr('x', config.axis_rotated ? xGridTextX : yGridTextX)\r\n .attr('y', yv)\r\n .attr('dx', $$.gridTextDx)\r\n .attr('dy', -5)\r\n .style('opacity', 0);\r\n // update\r\n $$.ygridLines = ygridLineEnter.merge(ygridLine);\r\n $$.ygridLines\r\n .select('line')\r\n .transition()\r\n .duration(duration)\r\n .attr('x1', config.axis_rotated ? yv : 0)\r\n .attr('x2', config.axis_rotated ? yv : $$.width)\r\n .attr('y1', config.axis_rotated ? 0 : yv)\r\n .attr('y2', config.axis_rotated ? $$.height : yv)\r\n .style('opacity', 1);\r\n $$.ygridLines\r\n .select('text')\r\n .transition()\r\n .duration(duration)\r\n .attr('x', config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$))\r\n .attr('y', yv)\r\n .text(function (d) {\r\n return d.text;\r\n })\r\n .style('opacity', 1);\r\n // exit\r\n ygridLine\r\n .exit()\r\n .transition()\r\n .duration(duration)\r\n .style('opacity', 0)\r\n .remove();\r\n };\r\n ChartInternal.prototype.redrawGrid = function (withTransition, transition) {\r\n var $$ = this, config = $$.config, xv = $$.xv.bind($$), lines = $$.xgridLines.select('line'), texts = $$.xgridLines.select('text');\r\n return [\r\n (withTransition ? lines.transition(transition) : lines)\r\n .attr('x1', config.axis_rotated ? 0 : xv)\r\n .attr('x2', config.axis_rotated ? $$.width : xv)\r\n .attr('y1', config.axis_rotated ? xv : 0)\r\n .attr('y2', config.axis_rotated ? xv : $$.height)\r\n .style('opacity', 1),\r\n (withTransition ? texts.transition(transition) : texts)\r\n .attr('x', config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$))\r\n .attr('y', xv)\r\n .text(function (d) {\r\n return d.text;\r\n })\r\n .style('opacity', 1)\r\n ];\r\n };\r\n ChartInternal.prototype.showXGridFocus = function (selectedData) {\r\n var $$ = this, config = $$.config, dataToShow = selectedData.filter(function (d) {\r\n return d && isValue(d.value);\r\n }), focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus), xx = $$.xx.bind($$);\r\n if (!config.tooltip_show) {\r\n return;\r\n }\r\n // Hide when stanford plot exists\r\n if ($$.hasType('stanford') || $$.hasArcType()) {\r\n return;\r\n }\r\n focusEl\r\n .style('visibility', 'visible')\r\n .data([dataToShow[0]])\r\n .attr(config.axis_rotated ? 'y1' : 'x1', xx)\r\n .attr(config.axis_rotated ? 'y2' : 'x2', xx);\r\n $$.smoothLines(focusEl, 'grid');\r\n };\r\n ChartInternal.prototype.hideXGridFocus = function () {\r\n this.main.select('line.' + CLASS.xgridFocus).style('visibility', 'hidden');\r\n };\r\n ChartInternal.prototype.updateXgridFocus = function () {\r\n var $$ = this, config = $$.config;\r\n $$.main\r\n .select('line.' + CLASS.xgridFocus)\r\n .attr('x1', config.axis_rotated ? 0 : -10)\r\n .attr('x2', config.axis_rotated ? $$.width : -10)\r\n .attr('y1', config.axis_rotated ? -10 : 0)\r\n .attr('y2', config.axis_rotated ? -10 : $$.height);\r\n };\r\n ChartInternal.prototype.generateGridData = function (type, scale) {\r\n var $$ = this, gridData = [], xDomain, firstYear, lastYear, i, tickNum = $$.main\r\n .select('.' + CLASS.axisX)\r\n .selectAll('.tick')\r\n .size();\r\n if (type === 'year') {\r\n xDomain = $$.getXDomain();\r\n firstYear = xDomain[0].getFullYear();\r\n lastYear = xDomain[1].getFullYear();\r\n for (i = firstYear; i <= lastYear; i++) {\r\n gridData.push(new Date(i + '-01-01 00:00:00'));\r\n }\r\n }\r\n else {\r\n gridData = scale.ticks(10);\r\n if (gridData.length > tickNum) {\r\n // use only int\r\n gridData = gridData.filter(function (d) {\r\n return ('' + d).indexOf('.') < 0;\r\n });\r\n }\r\n }\r\n return gridData;\r\n };\r\n ChartInternal.prototype.getGridFilterToRemove = function (params) {\r\n return params\r\n ? function (line) {\r\n var found = false;\r\n [].concat(params).forEach(function (param) {\r\n if (('value' in param && line.value === param.value) ||\r\n ('class' in param && line['class'] === param['class'])) {\r\n found = true;\r\n }\r\n });\r\n return found;\r\n }\r\n : function () {\r\n return true;\r\n };\r\n };\r\n ChartInternal.prototype.removeGridLines = function (params, forX) {\r\n var $$ = this, config = $$.config, toRemove = $$.getGridFilterToRemove(params), toShow = function (line) {\r\n return !toRemove(line);\r\n }, classLines = forX ? CLASS.xgridLines : CLASS.ygridLines, classLine = forX ? CLASS.xgridLine : CLASS.ygridLine;\r\n $$.main\r\n .select('.' + classLines)\r\n .selectAll('.' + classLine)\r\n .filter(toRemove)\r\n .transition()\r\n .duration(config.transition_duration)\r\n .style('opacity', 0)\r\n .remove();\r\n if (forX) {\r\n config.grid_x_lines = config.grid_x_lines.filter(toShow);\r\n }\r\n else {\r\n config.grid_y_lines = config.grid_y_lines.filter(toShow);\r\n }\r\n };\n\n ChartInternal.prototype.initEventRect = function () {\r\n var $$ = this, config = $$.config;\r\n $$.main\r\n .select('.' + CLASS.chart)\r\n .append('g')\r\n .attr('class', CLASS.eventRects)\r\n .style('fill-opacity', 0);\r\n $$.eventRect = $$.main\r\n .select('.' + CLASS.eventRects)\r\n .append('rect')\r\n .attr('class', CLASS.eventRect);\r\n // event rect handle zoom event as well\r\n if (config.zoom_enabled && $$.zoom) {\r\n $$.eventRect.call($$.zoom).on('dblclick.zoom', null);\r\n if (config.zoom_initialRange) {\r\n // WORKAROUND: Add transition to apply transform immediately when no subchart\r\n $$.eventRect\r\n .transition()\r\n .duration(0)\r\n .call($$.zoom.transform, $$.zoomTransform(config.zoom_initialRange));\r\n }\r\n }\r\n };\r\n ChartInternal.prototype.redrawEventRect = function () {\r\n var $$ = this, d3 = $$.d3, config = $$.config;\r\n function mouseout() {\r\n $$.svg.select('.' + CLASS.eventRect).style('cursor', null);\r\n $$.hideXGridFocus();\r\n $$.hideTooltip();\r\n $$.unexpandCircles();\r\n $$.unexpandBars();\r\n }\r\n var isHoveringDataPoint = function (mouse, closest) {\r\n return closest &&\r\n ($$.isBarType(closest.id) ||\r\n $$.dist(closest, mouse) < config.point_sensitivity);\r\n };\r\n var withName = function (d) { return (d ? $$.addName(Object.assign({}, d)) : null); };\r\n // rects for mouseover\r\n $$.main\r\n .select('.' + CLASS.eventRects)\r\n .style('cursor', config.zoom_enabled\r\n ? config.axis_rotated\r\n ? 'ns-resize'\r\n : 'ew-resize'\r\n : null);\r\n $$.eventRect\r\n .attr('x', 0)\r\n .attr('y', 0)\r\n .attr('width', $$.width)\r\n .attr('height', $$.height)\r\n .on('mouseout', config.interaction_enabled\r\n ? function () {\r\n if (!config) {\r\n return;\r\n } // chart is destroyed\r\n if ($$.hasArcType()) {\r\n return;\r\n }\r\n if ($$.mouseover) {\r\n config.data_onmouseout.call($$.api, $$.mouseover);\r\n $$.mouseover = undefined;\r\n }\r\n mouseout();\r\n }\r\n : null)\r\n .on('mousemove', config.interaction_enabled\r\n ? function () {\r\n // do nothing when dragging\r\n if ($$.dragging) {\r\n return;\r\n }\r\n var targetsToShow = $$.getTargetsToShow();\r\n // do nothing if arc type\r\n if ($$.hasArcType(targetsToShow)) {\r\n return;\r\n }\r\n var mouse = d3.mouse(this);\r\n var closest = withName($$.findClosestFromTargets(targetsToShow, mouse));\r\n var isMouseCloseToDataPoint = isHoveringDataPoint(mouse, closest);\r\n // ensure onmouseout is always called if mousemove switch between 2 targets\r\n if ($$.mouseover &&\r\n (!closest ||\r\n closest.id !== $$.mouseover.id ||\r\n closest.index !== $$.mouseover.index)) {\r\n config.data_onmouseout.call($$.api, $$.mouseover);\r\n $$.mouseover = undefined;\r\n }\r\n if (closest && !$$.mouseover) {\r\n config.data_onmouseover.call($$.api, closest);\r\n $$.mouseover = closest;\r\n }\r\n // show cursor as pointer if we're hovering a data point close enough\r\n $$.svg\r\n .select('.' + CLASS.eventRect)\r\n .style('cursor', isMouseCloseToDataPoint ? 'pointer' : null);\r\n // if tooltip not grouped, we want to display only data from closest data point\r\n var showSingleDataPoint = !config.tooltip_grouped || $$.hasType('stanford', targetsToShow);\r\n // find data to highlight\r\n var selectedData;\r\n if (showSingleDataPoint) {\r\n if (closest) {\r\n selectedData = [closest];\r\n }\r\n }\r\n else {\r\n var closestByX = void 0;\r\n if (closest) {\r\n // reuse closest value\r\n closestByX = closest;\r\n }\r\n else {\r\n // try to find the closest value by X values from the mouse position\r\n var mouseX = config.axis_rotated ? mouse[1] : mouse[0];\r\n closestByX = $$.findClosestFromTargetsByX(targetsToShow, $$.x.invert(mouseX));\r\n }\r\n // highlight all data for this 'x' value\r\n if (closestByX) {\r\n selectedData = $$.filterByX(targetsToShow, closestByX.x);\r\n }\r\n }\r\n // ensure we have data to show\r\n if (!selectedData || selectedData.length === 0) {\r\n return mouseout();\r\n }\r\n // inject names for each point\r\n selectedData = selectedData.map(withName);\r\n // show tooltip\r\n $$.showTooltip(selectedData, this);\r\n // expand points\r\n if (config.point_focus_expand_enabled) {\r\n $$.unexpandCircles();\r\n selectedData.forEach(function (d) {\r\n $$.expandCircles(d.index, d.id, false);\r\n });\r\n }\r\n // expand bars\r\n $$.unexpandBars();\r\n selectedData.forEach(function (d) {\r\n $$.expandBars(d.index, d.id, false);\r\n });\r\n // Show xgrid focus line\r\n $$.showXGridFocus(selectedData);\r\n }\r\n : null)\r\n .on('click', config.interaction_enabled\r\n ? function () {\r\n var targetsToShow = $$.getTargetsToShow();\r\n if ($$.hasArcType(targetsToShow)) {\r\n return;\r\n }\r\n var mouse = d3.mouse(this);\r\n var closest = withName($$.findClosestFromTargets(targetsToShow, mouse));\r\n if (!isHoveringDataPoint(mouse, closest)) {\r\n return;\r\n }\r\n // select if selection enabled\r\n var sameXData;\r\n if (!config.data_selection_grouped || $$.isStanfordType(closest)) {\r\n sameXData = [closest];\r\n }\r\n else {\r\n sameXData = $$.filterByX(targetsToShow, closest.x);\r\n }\r\n // toggle selected state\r\n sameXData.forEach(function (d) {\r\n $$.main\r\n .selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(d.id))\r\n .selectAll('.' + CLASS.shape + '-' + d.index)\r\n .each(function () {\r\n if (config.data_selection_grouped ||\r\n $$.isWithinShape(this, d)) {\r\n $$.toggleShape(this, d, d.index);\r\n }\r\n });\r\n });\r\n // call data_onclick on the closest data point\r\n if (closest) {\r\n var shape = $$.main\r\n .selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id))\r\n .select('.' + CLASS.shape + '-' + closest.index);\r\n config.data_onclick.call($$.api, closest, shape.node());\r\n }\r\n }\r\n : null)\r\n .call(config.interaction_enabled && config.data_selection_draggable && $$.drag\r\n ? d3\r\n .drag()\r\n .on('drag', function () {\r\n $$.drag(d3.mouse(this));\r\n })\r\n .on('start', function () {\r\n $$.dragstart(d3.mouse(this));\r\n })\r\n .on('end', function () {\r\n $$.dragend();\r\n })\r\n : function () { });\r\n };\r\n ChartInternal.prototype.getMousePosition = function (data) {\r\n var $$ = this;\r\n return [$$.x(data.x), $$.getYScale(data.id)(data.value)];\r\n };\r\n ChartInternal.prototype.dispatchEvent = function (type, mouse) {\r\n var $$ = this, selector = '.' + CLASS.eventRect, eventRect = $$.main.select(selector).node(), box = eventRect.getBoundingClientRect(), x = box.left + (mouse ? mouse[0] : 0), y = box.top + (mouse ? mouse[1] : 0), event = document.createEvent('MouseEvents');\r\n event.initMouseEvent(type, true, true, window, 0, x, y, x, y, false, false, false, false, 0, null);\r\n eventRect.dispatchEvent(event);\r\n };\n\n ChartInternal.prototype.initLegend = function () {\r\n var $$ = this;\r\n $$.legendItemTextBox = {};\r\n $$.legendHasRendered = false;\r\n $$.legend = $$.svg.append('g').attr('transform', $$.getTranslate('legend'));\r\n if (!$$.config.legend_show) {\r\n $$.legend.style('visibility', 'hidden');\r\n $$.hiddenLegendIds = $$.mapToIds($$.data.targets);\r\n return;\r\n }\r\n // MEMO: call here to update legend box and tranlate for all\r\n // MEMO: translate will be updated by this, so transform not needed in updateLegend()\r\n $$.updateLegendWithDefaults();\r\n };\r\n ChartInternal.prototype.updateLegendWithDefaults = function () {\r\n var $$ = this;\r\n $$.updateLegend($$.mapToIds($$.data.targets), {\r\n withTransform: false,\r\n withTransitionForTransform: false,\r\n withTransition: false\r\n });\r\n };\r\n ChartInternal.prototype.updateSizeForLegend = function (legendHeight, legendWidth) {\r\n var $$ = this, config = $$.config, insetLegendPosition = {\r\n top: $$.isLegendTop\r\n ? $$.getCurrentPaddingTop() + config.legend_inset_y + 5.5\r\n : $$.currentHeight -\r\n legendHeight -\r\n $$.getCurrentPaddingBottom() -\r\n config.legend_inset_y,\r\n left: $$.isLegendLeft\r\n ? $$.getCurrentPaddingLeft() + config.legend_inset_x + 0.5\r\n : $$.currentWidth -\r\n legendWidth -\r\n $$.getCurrentPaddingRight() -\r\n config.legend_inset_x +\r\n 0.5\r\n };\r\n $$.margin3 = {\r\n top: $$.isLegendRight\r\n ? 0\r\n : $$.isLegendInset\r\n ? insetLegendPosition.top\r\n : $$.currentHeight - legendHeight,\r\n right: NaN,\r\n bottom: 0,\r\n left: $$.isLegendRight\r\n ? $$.currentWidth - legendWidth\r\n : $$.isLegendInset\r\n ? insetLegendPosition.left\r\n : 0\r\n };\r\n };\r\n ChartInternal.prototype.transformLegend = function (withTransition) {\r\n var $$ = this;\r\n (withTransition ? $$.legend.transition() : $$.legend).attr('transform', $$.getTranslate('legend'));\r\n };\r\n ChartInternal.prototype.updateLegendStep = function (step) {\r\n this.legendStep = step;\r\n };\r\n ChartInternal.prototype.updateLegendItemWidth = function (w) {\r\n this.legendItemWidth = w;\r\n };\r\n ChartInternal.prototype.updateLegendItemHeight = function (h) {\r\n this.legendItemHeight = h;\r\n };\r\n ChartInternal.prototype.getLegendWidth = function () {\r\n var $$ = this;\r\n return $$.config.legend_show\r\n ? $$.isLegendRight || $$.isLegendInset\r\n ? $$.legendItemWidth * ($$.legendStep + 1)\r\n : $$.currentWidth\r\n : 0;\r\n };\r\n ChartInternal.prototype.getLegendHeight = function () {\r\n var $$ = this, h = 0;\r\n if ($$.config.legend_show) {\r\n if ($$.isLegendRight) {\r\n h = $$.currentHeight;\r\n }\r\n else {\r\n h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1);\r\n }\r\n }\r\n return h;\r\n };\r\n ChartInternal.prototype.opacityForLegend = function (legendItem) {\r\n return legendItem.classed(CLASS.legendItemHidden) ? null : 1;\r\n };\r\n ChartInternal.prototype.opacityForUnfocusedLegend = function (legendItem) {\r\n return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3;\r\n };\r\n ChartInternal.prototype.toggleFocusLegend = function (targetIds, focus) {\r\n var $$ = this;\r\n targetIds = $$.mapToTargetIds(targetIds);\r\n $$.legend\r\n .selectAll('.' + CLASS.legendItem)\r\n .filter(function (id) {\r\n return targetIds.indexOf(id) >= 0;\r\n })\r\n .classed(CLASS.legendItemFocused, focus)\r\n .transition()\r\n .duration(100)\r\n .style('opacity', function () {\r\n var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend;\r\n return opacity.call($$, $$.d3.select(this));\r\n });\r\n };\r\n ChartInternal.prototype.revertLegend = function () {\r\n var $$ = this, d3 = $$.d3;\r\n $$.legend\r\n .selectAll('.' + CLASS.legendItem)\r\n .classed(CLASS.legendItemFocused, false)\r\n .transition()\r\n .duration(100)\r\n .style('opacity', function () {\r\n return $$.opacityForLegend(d3.select(this));\r\n });\r\n };\r\n ChartInternal.prototype.showLegend = function (targetIds) {\r\n var $$ = this, config = $$.config;\r\n if (!config.legend_show) {\r\n config.legend_show = true;\r\n $$.legend.style('visibility', 'visible');\r\n if (!$$.legendHasRendered) {\r\n $$.updateLegendWithDefaults();\r\n }\r\n }\r\n $$.removeHiddenLegendIds(targetIds);\r\n $$.legend\r\n .selectAll($$.selectorLegends(targetIds))\r\n .style('visibility', 'visible')\r\n .transition()\r\n .style('opacity', function () {\r\n return $$.opacityForLegend($$.d3.select(this));\r\n });\r\n };\r\n ChartInternal.prototype.hideLegend = function (targetIds) {\r\n var $$ = this, config = $$.config;\r\n if (config.legend_show && isEmpty(targetIds)) {\r\n config.legend_show = false;\r\n $$.legend.style('visibility', 'hidden');\r\n }\r\n $$.addHiddenLegendIds(targetIds);\r\n $$.legend\r\n .selectAll($$.selectorLegends(targetIds))\r\n .style('opacity', 0)\r\n .style('visibility', 'hidden');\r\n };\r\n ChartInternal.prototype.clearLegendItemTextBoxCache = function () {\r\n this.legendItemTextBox = {};\r\n };\r\n ChartInternal.prototype.updateLegend = function (targetIds, options, transitions) {\r\n var $$ = this, config = $$.config;\r\n var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect, x1ForLegendTile, x2ForLegendTile, yForLegendTile;\r\n var paddingTop = 4, paddingRight = 10, maxWidth = 0, maxHeight = 0, posMin = 10, tileWidth = config.legend_item_tile_width + 5;\r\n var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0;\r\n var withTransition, withTransitionForTransform;\r\n var texts, rects, tiles, background;\r\n // Skip elements when their name is set to null\r\n targetIds = targetIds.filter(function (id) {\r\n return !isDefined(config.data_names[id]) || config.data_names[id] !== null;\r\n });\r\n options = options || {};\r\n withTransition = getOption(options, 'withTransition', true);\r\n withTransitionForTransform = getOption(options, 'withTransitionForTransform', true);\r\n function getTextBox(textElement, id) {\r\n if (!$$.legendItemTextBox[id]) {\r\n $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem, textElement);\r\n }\r\n return $$.legendItemTextBox[id];\r\n }\r\n function updatePositions(textElement, id, index) {\r\n var reset = index === 0, isLast = index === targetIds.length - 1, box = getTextBox(textElement, id), itemWidth = box.width +\r\n tileWidth +\r\n (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight) +\r\n config.legend_padding, itemHeight = box.height + paddingTop, itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth, areaLength = $$.isLegendRight || $$.isLegendInset\r\n ? $$.getLegendHeight()\r\n : $$.getLegendWidth(), margin, maxLength;\r\n // MEMO: care about condifion of step, totalLength\r\n function updateValues(id, withoutStep) {\r\n if (!withoutStep) {\r\n margin = (areaLength - totalLength - itemLength) / 2;\r\n if (margin < posMin) {\r\n margin = (areaLength - itemLength) / 2;\r\n totalLength = 0;\r\n step++;\r\n }\r\n }\r\n steps[id] = step;\r\n margins[step] = $$.isLegendInset ? 10 : margin;\r\n offsets[id] = totalLength;\r\n totalLength += itemLength;\r\n }\r\n if (reset) {\r\n totalLength = 0;\r\n step = 0;\r\n maxWidth = 0;\r\n maxHeight = 0;\r\n }\r\n if (config.legend_show && !$$.isLegendToShow(id)) {\r\n widths[id] = heights[id] = steps[id] = offsets[id] = 0;\r\n return;\r\n }\r\n widths[id] = itemWidth;\r\n heights[id] = itemHeight;\r\n if (!maxWidth || itemWidth >= maxWidth) {\r\n maxWidth = itemWidth;\r\n }\r\n if (!maxHeight || itemHeight >= maxHeight) {\r\n maxHeight = itemHeight;\r\n }\r\n maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth;\r\n if (config.legend_equally) {\r\n Object.keys(widths).forEach(function (id) {\r\n widths[id] = maxWidth;\r\n });\r\n Object.keys(heights).forEach(function (id) {\r\n heights[id] = maxHeight;\r\n });\r\n margin = (areaLength - maxLength * targetIds.length) / 2;\r\n if (margin < posMin) {\r\n totalLength = 0;\r\n step = 0;\r\n targetIds.forEach(function (id) {\r\n updateValues(id);\r\n });\r\n }\r\n else {\r\n updateValues(id, true);\r\n }\r\n }\r\n else {\r\n updateValues(id);\r\n }\r\n }\r\n if ($$.isLegendInset) {\r\n step = config.legend_inset_step\r\n ? config.legend_inset_step\r\n : targetIds.length;\r\n $$.updateLegendStep(step);\r\n }\r\n if ($$.isLegendRight) {\r\n xForLegend = function (id) {\r\n return maxWidth * steps[id];\r\n };\r\n yForLegend = function (id) {\r\n return margins[steps[id]] + offsets[id];\r\n };\r\n }\r\n else if ($$.isLegendInset) {\r\n xForLegend = function (id) {\r\n return maxWidth * steps[id] + 10;\r\n };\r\n yForLegend = function (id) {\r\n return margins[steps[id]] + offsets[id];\r\n };\r\n }\r\n else {\r\n xForLegend = function (id) {\r\n return margins[steps[id]] + offsets[id];\r\n };\r\n yForLegend = function (id) {\r\n return maxHeight * steps[id];\r\n };\r\n }\r\n xForLegendText = function (id, i) {\r\n return xForLegend(id, i) + 4 + config.legend_item_tile_width;\r\n };\r\n yForLegendText = function (id, i) {\r\n return yForLegend(id, i) + 9;\r\n };\r\n xForLegendRect = function (id, i) {\r\n return xForLegend(id, i);\r\n };\r\n yForLegendRect = function (id, i) {\r\n return yForLegend(id, i) - 5;\r\n };\r\n x1ForLegendTile = function (id, i) {\r\n return xForLegend(id, i) - 2;\r\n };\r\n x2ForLegendTile = function (id, i) {\r\n return xForLegend(id, i) - 2 + config.legend_item_tile_width;\r\n };\r\n yForLegendTile = function (id, i) {\r\n return yForLegend(id, i) + 4;\r\n };\r\n // Define g for legend area\r\n l = $$.legend\r\n .selectAll('.' + CLASS.legendItem)\r\n .data(targetIds)\r\n .enter()\r\n .append('g')\r\n .attr('class', function (id) {\r\n return $$.generateClass(CLASS.legendItem, id);\r\n })\r\n .style('visibility', function (id) {\r\n return $$.isLegendToShow(id) ? 'visible' : 'hidden';\r\n })\r\n .style('cursor', function () {\r\n return config.interaction_enabled ? 'pointer' : 'auto';\r\n })\r\n .on('click', config.interaction_enabled\r\n ? function (id) {\r\n if (config.legend_item_onclick) {\r\n config.legend_item_onclick.call($$, id);\r\n }\r\n else {\r\n if ($$.d3.event.altKey) {\r\n $$.api.hide();\r\n $$.api.show(id);\r\n }\r\n else {\r\n $$.api.toggle(id);\r\n $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert();\r\n }\r\n }\r\n }\r\n : null)\r\n .on('mouseover', config.interaction_enabled\r\n ? function (id) {\r\n if (config.legend_item_onmouseover) {\r\n config.legend_item_onmouseover.call($$, id);\r\n }\r\n else {\r\n $$.d3.select(this).classed(CLASS.legendItemFocused, true);\r\n if (!$$.transiting && $$.isTargetToShow(id)) {\r\n $$.api.focus(id);\r\n }\r\n }\r\n }\r\n : null)\r\n .on('mouseout', config.interaction_enabled\r\n ? function (id) {\r\n if (config.legend_item_onmouseout) {\r\n config.legend_item_onmouseout.call($$, id);\r\n }\r\n else {\r\n $$.d3.select(this).classed(CLASS.legendItemFocused, false);\r\n $$.api.revert();\r\n }\r\n }\r\n : null);\r\n l.append('text')\r\n .text(function (id) {\r\n return isDefined(config.data_names[id]) ? config.data_names[id] : id;\r\n })\r\n .each(function (id, i) {\r\n updatePositions(this, id, i);\r\n })\r\n .style('pointer-events', 'none')\r\n .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200)\r\n .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText);\r\n l.append('rect')\r\n .attr('class', CLASS.legendItemEvent)\r\n .style('fill-opacity', 0)\r\n .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200)\r\n .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendRect);\r\n l.append('line')\r\n .attr('class', CLASS.legendItemTile)\r\n .style('stroke', $$.color)\r\n .style('pointer-events', 'none')\r\n .attr('x1', $$.isLegendRight || $$.isLegendInset ? x1ForLegendTile : -200)\r\n .attr('y1', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile)\r\n .attr('x2', $$.isLegendRight || $$.isLegendInset ? x2ForLegendTile : -200)\r\n .attr('y2', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile)\r\n .attr('stroke-width', config.legend_item_tile_height);\r\n // Set background for inset legend\r\n background = $$.legend.select('.' + CLASS.legendBackground + ' rect');\r\n if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) {\r\n background = $$.legend\r\n .insert('g', '.' + CLASS.legendItem)\r\n .attr('class', CLASS.legendBackground)\r\n .append('rect');\r\n }\r\n texts = $$.legend\r\n .selectAll('text')\r\n .data(targetIds)\r\n .text(function (id) {\r\n return isDefined(config.data_names[id]) ? config.data_names[id] : id;\r\n }) // MEMO: needed for update\r\n .each(function (id, i) {\r\n updatePositions(this, id, i);\r\n });\r\n (withTransition ? texts.transition() : texts)\r\n .attr('x', xForLegendText)\r\n .attr('y', yForLegendText);\r\n rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent).data(targetIds);\r\n (withTransition ? rects.transition() : rects)\r\n .attr('width', function (id) {\r\n return widths[id];\r\n })\r\n .attr('height', function (id) {\r\n return heights[id];\r\n })\r\n .attr('x', xForLegendRect)\r\n .attr('y', yForLegendRect);\r\n tiles = $$.legend.selectAll('line.' + CLASS.legendItemTile).data(targetIds);\r\n (withTransition ? tiles.transition() : tiles)\r\n .style('stroke', $$.levelColor\r\n ? function (id) {\r\n return $$.levelColor($$.cache[id].values.reduce(function (total, item) {\r\n return total + item.value;\r\n }, 0));\r\n }\r\n : $$.color)\r\n .attr('x1', x1ForLegendTile)\r\n .attr('y1', yForLegendTile)\r\n .attr('x2', x2ForLegendTile)\r\n .attr('y2', yForLegendTile);\r\n if (background) {\r\n (withTransition ? background.transition() : background)\r\n .attr('height', $$.getLegendHeight() - 12)\r\n .attr('width', maxWidth * (step + 1) + 10);\r\n }\r\n // toggle legend state\r\n $$.legend\r\n .selectAll('.' + CLASS.legendItem)\r\n .classed(CLASS.legendItemHidden, function (id) {\r\n return !$$.isTargetToShow(id);\r\n });\r\n // Update all to reflect change of legend\r\n $$.updateLegendItemWidth(maxWidth);\r\n $$.updateLegendItemHeight(maxHeight);\r\n $$.updateLegendStep(step);\r\n // Update size and scale\r\n $$.updateSizes();\r\n $$.updateScales();\r\n $$.updateSvgSize();\r\n // Update g positions\r\n $$.transformAll(withTransitionForTransform, transitions);\r\n $$.legendHasRendered = true;\r\n };\n\n ChartInternal.prototype.initRegion = function () {\r\n var $$ = this;\r\n $$.region = $$.main\r\n .append('g')\r\n .attr('clip-path', $$.clipPath)\r\n .attr('class', CLASS.regions);\r\n };\r\n ChartInternal.prototype.updateRegion = function (duration) {\r\n var $$ = this, config = $$.config;\r\n // hide if arc type\r\n $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');\r\n var mainRegion = $$.main\r\n .select('.' + CLASS.regions)\r\n .selectAll('.' + CLASS.region)\r\n .data(config.regions);\r\n var g = mainRegion.enter().append('g');\r\n g.append('rect')\r\n .attr('x', $$.regionX.bind($$))\r\n .attr('y', $$.regionY.bind($$))\r\n .attr('width', $$.regionWidth.bind($$))\r\n .attr('height', $$.regionHeight.bind($$))\r\n .style('fill-opacity', function (d) {\r\n return isValue(d.opacity) ? d.opacity : 0.1;\r\n });\r\n g.append('text').text($$.labelRegion.bind($$));\r\n $$.mainRegion = g.merge(mainRegion).attr('class', $$.classRegion.bind($$));\r\n mainRegion\r\n .exit()\r\n .transition()\r\n .duration(duration)\r\n .style('opacity', 0)\r\n .remove();\r\n };\r\n ChartInternal.prototype.redrawRegion = function (withTransition, transition) {\r\n var $$ = this, regions = $$.mainRegion, regionLabels = $$.mainRegion.selectAll('text');\r\n return [\r\n (withTransition ? regions.transition(transition) : regions)\r\n .attr('x', $$.regionX.bind($$))\r\n .attr('y', $$.regionY.bind($$))\r\n .attr('width', $$.regionWidth.bind($$))\r\n .attr('height', $$.regionHeight.bind($$))\r\n .style('fill-opacity', function (d) {\r\n return isValue(d.opacity) ? d.opacity : 0.1;\r\n }),\r\n (withTransition ? regionLabels.transition(transition) : regionLabels)\r\n .attr('x', $$.labelOffsetX.bind($$))\r\n .attr('y', $$.labelOffsetY.bind($$))\r\n .attr('transform', $$.labelTransform.bind($$))\r\n .attr('style', 'text-anchor: left;')\r\n ];\r\n };\r\n ChartInternal.prototype.regionX = function (d) {\r\n var $$ = this, config = $$.config, xPos, yScale = d.axis === 'y' ? $$.y : $$.y2;\r\n if (d.axis === 'y' || d.axis === 'y2') {\r\n xPos = config.axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0;\r\n }\r\n else {\r\n xPos = config.axis_rotated\r\n ? 0\r\n : 'start' in d\r\n ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start)\r\n : 0;\r\n }\r\n return xPos;\r\n };\r\n ChartInternal.prototype.regionY = function (d) {\r\n var $$ = this, config = $$.config, yPos, yScale = d.axis === 'y' ? $$.y : $$.y2;\r\n if (d.axis === 'y' || d.axis === 'y2') {\r\n yPos = config.axis_rotated ? 0 : 'end' in d ? yScale(d.end) : 0;\r\n }\r\n else {\r\n yPos = config.axis_rotated\r\n ? 'start' in d\r\n ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start)\r\n : 0\r\n : 0;\r\n }\r\n return yPos;\r\n };\r\n ChartInternal.prototype.regionWidth = function (d) {\r\n var $$ = this, config = $$.config, start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;\r\n if (d.axis === 'y' || d.axis === 'y2') {\r\n end = config.axis_rotated\r\n ? 'end' in d\r\n ? yScale(d.end)\r\n : $$.width\r\n : $$.width;\r\n }\r\n else {\r\n end = config.axis_rotated\r\n ? $$.width\r\n : 'end' in d\r\n ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end)\r\n : $$.width;\r\n }\r\n return end < start ? 0 : end - start;\r\n };\r\n ChartInternal.prototype.regionHeight = function (d) {\r\n var $$ = this, config = $$.config, start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;\r\n if (d.axis === 'y' || d.axis === 'y2') {\r\n end = config.axis_rotated\r\n ? $$.height\r\n : 'start' in d\r\n ? yScale(d.start)\r\n : $$.height;\r\n }\r\n else {\r\n end = config.axis_rotated\r\n ? 'end' in d\r\n ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end)\r\n : $$.height\r\n : $$.height;\r\n }\r\n return end < start ? 0 : end - start;\r\n };\r\n ChartInternal.prototype.isRegionOnX = function (d) {\r\n return !d.axis || d.axis === 'x';\r\n };\r\n ChartInternal.prototype.labelRegion = function (d) {\r\n return 'label' in d ? d.label : '';\r\n };\r\n ChartInternal.prototype.labelTransform = function (d) {\r\n return 'vertical' in d && d.vertical ? 'rotate(90)' : '';\r\n };\r\n ChartInternal.prototype.labelOffsetX = function (d) {\r\n var paddingX = 'paddingX' in d ? d.paddingX : 3;\r\n var paddingY = 'paddingY' in d ? d.paddingY : 3;\r\n return 'vertical' in d && d.vertical\r\n ? this.regionY(d) + paddingY\r\n : this.regionX(d) + paddingX;\r\n };\r\n ChartInternal.prototype.labelOffsetY = function (d) {\r\n var paddingX = 'paddingX' in d ? d.paddingX : 3;\r\n var paddingY = 'paddingY' in d ? d.paddingY : 3;\r\n return 'vertical' in d && d.vertical\r\n ? -(this.regionX(d) + paddingX)\r\n : this.regionY(d) + 10 + paddingY;\r\n };\n\n function c3LogScale(d3, linearScale, logScale) {\r\n var PROJECTION = [0.01, 10];\r\n if (!linearScale) {\r\n linearScale = d3.scaleLinear();\r\n linearScale.range(PROJECTION);\r\n }\r\n if (!logScale) {\r\n logScale = d3.scaleLog();\r\n logScale.domain(PROJECTION);\r\n logScale.nice();\r\n }\r\n // copied from https://github.com/compute-io/logspace\r\n function logspace(a, b, len) {\r\n var arr, end, tmp, d;\r\n if (arguments.length < 3) {\r\n len = 10;\r\n }\r\n else {\r\n if (len === 0) {\r\n return [];\r\n }\r\n }\r\n // Calculate the increment:\r\n end = len - 1;\r\n d = (b - a) / end;\r\n // Build the output array...\r\n arr = new Array(len);\r\n tmp = a;\r\n arr[0] = Math.pow(10, tmp);\r\n for (var i = 1; i < end; i++) {\r\n tmp += d;\r\n arr[i] = Math.pow(10, tmp);\r\n }\r\n arr[end] = Math.pow(10, b);\r\n return arr;\r\n }\r\n function scale(x) {\r\n return logScale(linearScale(x));\r\n }\r\n scale.domain = function (x) {\r\n if (!arguments.length) {\r\n return linearScale.domain();\r\n }\r\n linearScale.domain(x);\r\n return scale;\r\n };\r\n scale.range = function (x) {\r\n if (!arguments.length) {\r\n return logScale.range();\r\n }\r\n logScale.range(x);\r\n return scale;\r\n };\r\n scale.ticks = function (m) {\r\n return logspace(-2, 1, m || 10).map(function (v) {\r\n return linearScale.invert(v);\r\n });\r\n };\r\n scale.copy = function () {\r\n return c3LogScale(d3, linearScale.copy(), logScale.copy());\r\n };\r\n return scale;\r\n }\r\n ChartInternal.prototype.getScale = function (min, max, forTimeseries) {\r\n return (forTimeseries ? this.d3.scaleTime() : this.d3.scaleLinear()).range([\r\n min,\r\n max\r\n ]);\r\n };\r\n ChartInternal.prototype.getX = function (min, max, domain, offset) {\r\n var $$ = this, scale = $$.getScale(min, max, $$.isTimeSeries()), _scale = domain ? scale.domain(domain) : scale, key;\r\n // Define customized scale if categorized axis\r\n if ($$.isCategorized()) {\r\n offset =\r\n offset ||\r\n function () {\r\n return 0;\r\n };\r\n scale = function (d, raw) {\r\n var v = _scale(d) + offset(d);\r\n return raw ? v : Math.ceil(v);\r\n };\r\n }\r\n else {\r\n scale = function (d, raw) {\r\n var v = _scale(d);\r\n return raw ? v : Math.ceil(v);\r\n };\r\n }\r\n // define functions\r\n for (key in _scale) {\r\n scale[key] = _scale[key];\r\n }\r\n scale.orgDomain = function () {\r\n return _scale.domain();\r\n };\r\n // define custom domain() for categorized axis\r\n if ($$.isCategorized()) {\r\n scale.domain = function (domain) {\r\n if (!arguments.length) {\r\n domain = this.orgDomain();\r\n return [domain[0], domain[1] + 1];\r\n }\r\n _scale.domain(domain);\r\n return scale;\r\n };\r\n }\r\n return scale;\r\n };\r\n /**\r\n * Creates and configures a D3 scale instance for the given type.\r\n *\r\n * By defaults it returns a Linear scale.\r\n *\r\n * @param {String} type Type of d3-scale to create. Type can be 'linear', 'time', 'timeseries' or 'log'.\r\n * @param {Array} domain The scale domain such as [from, to]\r\n * @param {Array} range The scale's range such as [from, to]\r\n *\r\n * @return A d3-scale instance\r\n */\r\n ChartInternal.prototype.getY = function (type, domain, range) {\r\n var scale;\r\n if (type === 'timeseries' || type === 'time') {\r\n scale = this.d3.scaleTime();\r\n }\r\n else if (type === 'log') {\r\n scale = c3LogScale(this.d3);\r\n }\r\n else if (type === 'linear' || type === undefined) {\r\n scale = this.d3.scaleLinear();\r\n }\r\n else {\r\n throw new Error(\"Invalid Y axis type: \\\"\" + type + \"\\\"\");\r\n }\r\n if (domain) {\r\n scale.domain(domain);\r\n }\r\n if (range) {\r\n scale.range(range);\r\n }\r\n return scale;\r\n };\r\n ChartInternal.prototype.getYScale = function (id) {\r\n return this.axis.getId(id) === 'y2' ? this.y2 : this.y;\r\n };\r\n ChartInternal.prototype.getSubYScale = function (id) {\r\n return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY;\r\n };\r\n ChartInternal.prototype.updateScales = function () {\r\n var $$ = this, config = $$.config, forInit = !$$.x;\r\n // update edges\r\n $$.xMin = config.axis_rotated ? 1 : 0;\r\n $$.xMax = config.axis_rotated ? $$.height : $$.width;\r\n $$.yMin = config.axis_rotated ? 0 : $$.height;\r\n $$.yMax = config.axis_rotated ? $$.width : 1;\r\n $$.subXMin = $$.xMin;\r\n $$.subXMax = $$.xMax;\r\n $$.subYMin = config.axis_rotated ? 0 : $$.height2;\r\n $$.subYMax = config.axis_rotated ? $$.width2 : 1;\r\n // update scales\r\n $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () {\r\n return $$.xAxis.tickOffset();\r\n });\r\n $$.y = $$.getY(config.axis_y_type, forInit ? config.axis_y_default : $$.y.domain(), [$$.yMin, $$.yMax]);\r\n $$.y2 = $$.getY(config.axis_y2_type, forInit ? config.axis_y2_default : $$.y2.domain(), [$$.yMin, $$.yMax]);\r\n $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) {\r\n return d % 1 ? 0 : $$.subXAxis.tickOffset();\r\n });\r\n $$.subY = $$.getY(config.axis_y_type, forInit ? config.axis_y_default : $$.subY.domain(), [$$.subYMin, $$.subYMax]);\r\n $$.subY2 = $$.getY(config.axis_y2_type, forInit ? config.axis_y2_default : $$.subY2.domain(), [$$.subYMin, $$.subYMax]);\r\n // update axes\r\n $$.xAxisTickFormat = $$.axis.getXAxisTickFormat();\r\n $$.xAxisTickValues = $$.axis.getXAxisTickValues();\r\n $$.yAxisTickValues = $$.axis.getYAxisTickValues();\r\n $$.y2AxisTickValues = $$.axis.getY2AxisTickValues();\r\n $$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);\r\n $$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);\r\n $$.yAxis = $$.axis.getYAxis('y', $$.y, $$.yOrient, $$.yAxisTickValues, config.axis_y_tick_outer);\r\n $$.y2Axis = $$.axis.getYAxis('y2', $$.y2, $$.y2Orient, $$.y2AxisTickValues, config.axis_y2_tick_outer);\r\n // Set initialized scales to brush and zoom\r\n if (!forInit) {\r\n if ($$.brush) {\r\n $$.brush.updateScale($$.subX);\r\n }\r\n }\r\n // update for arc\r\n if ($$.updateArc) {\r\n $$.updateArc();\r\n }\r\n };\n\n ChartInternal.prototype.selectPoint = function (target, d, i) {\r\n var $$ = this, config = $$.config, cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$), cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$), r = $$.pointSelectR.bind($$);\r\n config.data_onselected.call($$.api, d, target.node());\r\n // add selected-circle on low layer g\r\n $$.main\r\n .select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id))\r\n .selectAll('.' + CLASS.selectedCircle + '-' + i)\r\n .data([d])\r\n .enter()\r\n .append('circle')\r\n .attr('class', function () {\r\n return $$.generateClass(CLASS.selectedCircle, i);\r\n })\r\n .attr('cx', cx)\r\n .attr('cy', cy)\r\n .attr('stroke', function () {\r\n return $$.color(d);\r\n })\r\n .attr('r', function (d) {\r\n return $$.pointSelectR(d) * 1.4;\r\n })\r\n .transition()\r\n .duration(100)\r\n .attr('r', r);\r\n };\r\n ChartInternal.prototype.unselectPoint = function (target, d, i) {\r\n var $$ = this;\r\n $$.config.data_onunselected.call($$.api, d, target.node());\r\n // remove selected-circle from low layer g\r\n $$.main\r\n .select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id))\r\n .selectAll('.' + CLASS.selectedCircle + '-' + i)\r\n .transition()\r\n .duration(100)\r\n .attr('r', 0)\r\n .remove();\r\n };\r\n ChartInternal.prototype.togglePoint = function (selected, target, d, i) {\r\n selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i);\r\n };\r\n ChartInternal.prototype.selectPath = function (target, d) {\r\n var $$ = this;\r\n $$.config.data_onselected.call($$, d, target.node());\r\n if ($$.config.interaction_brighten) {\r\n target\r\n .transition()\r\n .duration(100)\r\n .style('fill', function () {\r\n return $$.d3.rgb($$.color(d)).brighter(0.75);\r\n });\r\n }\r\n };\r\n ChartInternal.prototype.unselectPath = function (target, d) {\r\n var $$ = this;\r\n $$.config.data_onunselected.call($$, d, target.node());\r\n if ($$.config.interaction_brighten) {\r\n target\r\n .transition()\r\n .duration(100)\r\n .style('fill', function () {\r\n return $$.color(d);\r\n });\r\n }\r\n };\r\n ChartInternal.prototype.togglePath = function (selected, target, d, i) {\r\n selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i);\r\n };\r\n ChartInternal.prototype.getToggle = function (that, d) {\r\n var $$ = this, toggle;\r\n if (that.nodeName === 'circle') {\r\n if ($$.isStepType(d)) {\r\n // circle is hidden in step chart, so treat as within the click area\r\n toggle = function () { }; // TODO: how to select step chart?\r\n }\r\n else {\r\n toggle = $$.togglePoint;\r\n }\r\n }\r\n else if (that.nodeName === 'path') {\r\n toggle = $$.togglePath;\r\n }\r\n return toggle;\r\n };\r\n ChartInternal.prototype.toggleShape = function (that, d, i) {\r\n var $$ = this, d3 = $$.d3, config = $$.config, shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED), toggle = $$.getToggle(that, d).bind($$);\r\n if (config.data_selection_enabled && config.data_selection_isselectable(d)) {\r\n if (!config.data_selection_multiple) {\r\n $$.main\r\n .selectAll('.' +\r\n CLASS.shapes +\r\n (config.data_selection_grouped\r\n ? $$.getTargetSelectorSuffix(d.id)\r\n : ''))\r\n .selectAll('.' + CLASS.shape)\r\n .each(function (d, i) {\r\n var shape = d3.select(this);\r\n if (shape.classed(CLASS.SELECTED)) {\r\n toggle(false, shape.classed(CLASS.SELECTED, false), d, i);\r\n }\r\n });\r\n }\r\n shape.classed(CLASS.SELECTED, !isSelected);\r\n toggle(!isSelected, shape, d, i);\r\n }\r\n };\n\n ChartInternal.prototype.initBar = function () {\r\n var $$ = this;\r\n $$.main\r\n .select('.' + CLASS.chart)\r\n .append('g')\r\n .attr('class', CLASS.chartBars);\r\n };\r\n ChartInternal.prototype.updateTargetsForBar = function (targets) {\r\n var $$ = this, config = $$.config, mainBars, mainBarEnter, classChartBar = $$.classChartBar.bind($$), classBars = $$.classBars.bind($$), classFocus = $$.classFocus.bind($$);\r\n mainBars = $$.main\r\n .select('.' + CLASS.chartBars)\r\n .selectAll('.' + CLASS.chartBar)\r\n .data(targets)\r\n .attr('class', function (d) {\r\n return classChartBar(d) + classFocus(d);\r\n });\r\n mainBarEnter = mainBars\r\n .enter()\r\n .append('g')\r\n .attr('class', classChartBar)\r\n .style('pointer-events', 'none');\r\n // Bars for each data\r\n mainBarEnter\r\n .append('g')\r\n .attr('class', classBars)\r\n .style('cursor', function (d) {\r\n return config.data_selection_isselectable(d) ? 'pointer' : null;\r\n });\r\n };\r\n ChartInternal.prototype.updateBar = function (durationForExit) {\r\n var $$ = this, barData = $$.barData.bind($$), classBar = $$.classBar.bind($$), initialOpacity = $$.initialOpacity.bind($$), color = function (d) {\r\n return $$.color(d.id);\r\n };\r\n var mainBar = $$.main\r\n .selectAll('.' + CLASS.bars)\r\n .selectAll('.' + CLASS.bar)\r\n .data(barData);\r\n var mainBarEnter = mainBar\r\n .enter()\r\n .append('path')\r\n .attr('class', classBar)\r\n .style('stroke', color)\r\n .style('fill', color);\r\n $$.mainBar = mainBarEnter.merge(mainBar).style('opacity', initialOpacity);\r\n mainBar\r\n .exit()\r\n .transition()\r\n .duration(durationForExit)\r\n .style('opacity', 0);\r\n };\r\n ChartInternal.prototype.redrawBar = function (drawBar, withTransition, transition) {\r\n var $$ = this;\r\n return [\r\n (withTransition ? this.mainBar.transition(transition) : this.mainBar)\r\n .attr('d', drawBar)\r\n .style('stroke', this.color)\r\n .style('fill', this.color)\r\n .style('opacity', function (d) { return ($$.isTargetToShow(d.id) ? 1 : 0); })\r\n ];\r\n };\r\n ChartInternal.prototype.getBarW = function (axis, barTargetsNum) {\r\n var $$ = this, config = $$.config, w = typeof config.bar_width === 'number'\r\n ? config.bar_width\r\n : barTargetsNum\r\n ? (axis.tickInterval() * config.bar_width_ratio) / barTargetsNum\r\n : 0;\r\n return config.bar_width_max && w > config.bar_width_max\r\n ? config.bar_width_max\r\n : w;\r\n };\r\n ChartInternal.prototype.getBars = function (i, id) {\r\n var $$ = this;\r\n return (id\r\n ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id))\r\n : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));\r\n };\r\n ChartInternal.prototype.expandBars = function (i, id, reset) {\r\n var $$ = this;\r\n if (reset) {\r\n $$.unexpandBars();\r\n }\r\n $$.getBars(i, id).classed(CLASS.EXPANDED, true);\r\n };\r\n ChartInternal.prototype.unexpandBars = function (i) {\r\n var $$ = this;\r\n $$.getBars(i).classed(CLASS.EXPANDED, false);\r\n };\r\n ChartInternal.prototype.generateDrawBar = function (barIndices, isSub) {\r\n var $$ = this, config = $$.config, getPoints = $$.generateGetBarPoints(barIndices, isSub);\r\n return function (d, i) {\r\n // 4 points that make a bar\r\n var points = getPoints(d, i);\r\n // switch points if axis is rotated, not applicable for sub chart\r\n var indexX = config.axis_rotated ? 1 : 0;\r\n var indexY = config.axis_rotated ? 0 : 1;\r\n var path = 'M ' +\r\n points[0][indexX] +\r\n ',' +\r\n points[0][indexY] +\r\n ' ' +\r\n 'L' +\r\n points[1][indexX] +\r\n ',' +\r\n points[1][indexY] +\r\n ' ' +\r\n 'L' +\r\n points[2][indexX] +\r\n ',' +\r\n points[2][indexY] +\r\n ' ' +\r\n 'L' +\r\n points[3][indexX] +\r\n ',' +\r\n points[3][indexY] +\r\n ' ' +\r\n 'z';\r\n return path;\r\n };\r\n };\r\n ChartInternal.prototype.generateGetBarPoints = function (barIndices, isSub) {\r\n var $$ = this, axis = isSub ? $$.subXAxis : $$.xAxis, barTargetsNum = barIndices.__max__ + 1, barW = $$.getBarW(axis, barTargetsNum), barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub), barY = $$.getShapeY(!!isSub), barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub), barSpaceOffset = barW * ($$.config.bar_space / 2), yScale = isSub ? $$.getSubYScale : $$.getYScale;\r\n return function (d, i) {\r\n var y0 = yScale.call($$, d.id)(0), offset = barOffset(d, i) || y0, // offset is for stacked bar chart\r\n posX = barX(d), posY = barY(d);\r\n // fix posY not to overflow opposite quadrant\r\n if ($$.config.axis_rotated) {\r\n if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) {\r\n posY = y0;\r\n }\r\n }\r\n posY -= y0 - offset;\r\n // 4 points that make a bar\r\n return [\r\n [posX + barSpaceOffset, offset],\r\n [posX + barSpaceOffset, posY],\r\n [posX + barW - barSpaceOffset, posY],\r\n [posX + barW - barSpaceOffset, offset]\r\n ];\r\n };\r\n };\r\n /**\r\n * Returns whether the data point is within the given bar shape.\r\n *\r\n * @param mouse\r\n * @param barShape\r\n * @return {boolean}\r\n */\r\n ChartInternal.prototype.isWithinBar = function (mouse, barShape) {\r\n return isWithinBox(mouse, getBBox(barShape), 2);\r\n };\n\n ChartInternal.prototype.getShapeIndices = function (typeFilter) {\r\n var $$ = this, config = $$.config, indices = {}, i = 0, j, k;\r\n $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {\r\n for (j = 0; j < config.data_groups.length; j++) {\r\n if (config.data_groups[j].indexOf(d.id) < 0) {\r\n continue;\r\n }\r\n for (k = 0; k < config.data_groups[j].length; k++) {\r\n if (config.data_groups[j][k] in indices) {\r\n indices[d.id] = indices[config.data_groups[j][k]];\r\n break;\r\n }\r\n }\r\n }\r\n if (isUndefined(indices[d.id])) {\r\n indices[d.id] = i++;\r\n }\r\n });\r\n indices.__max__ = i - 1;\r\n return indices;\r\n };\r\n ChartInternal.prototype.getShapeX = function (offset, targetsNum, indices, isSub) {\r\n var $$ = this, scale = isSub ? $$.subX : $$.x;\r\n return function (d) {\r\n var index = d.id in indices ? indices[d.id] : 0;\r\n return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;\r\n };\r\n };\r\n ChartInternal.prototype.getShapeY = function (isSub) {\r\n var $$ = this;\r\n return function (d) {\r\n var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);\r\n return scale($$.isTargetNormalized(d.id) ? $$.getRatio('index', d, true) : d.value);\r\n };\r\n };\r\n ChartInternal.prototype.getShapeOffset = function (typeFilter, indices, isSub) {\r\n var $$ = this, targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))), targetIds = targets.map(function (t) {\r\n return t.id;\r\n });\r\n return function (d, i) {\r\n var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id), y0 = scale(0), offset = y0;\r\n targets.forEach(function (t) {\r\n var rowValues = $$.isStepType(d)\r\n ? $$.convertValuesToStep(t.values)\r\n : t.values;\r\n var isTargetNormalized = $$.isTargetNormalized(d.id);\r\n var values = rowValues.map(function (v) {\r\n return isTargetNormalized ? $$.getRatio('index', v, true) : v.value;\r\n });\r\n if (t.id === d.id || indices[t.id] !== indices[d.id]) {\r\n return;\r\n }\r\n if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {\r\n // check if the x values line up\r\n if (isUndefined(rowValues[i]) || +rowValues[i].x !== +d.x) {\r\n // \"+\" for timeseries\r\n // if not, try to find the value that does line up\r\n i = -1;\r\n rowValues.forEach(function (v, j) {\r\n var x1 = v.x.constructor === Date ? +v.x : v.x;\r\n var x2 = d.x.constructor === Date ? +d.x : d.x;\r\n if (x1 === x2) {\r\n i = j;\r\n }\r\n });\r\n }\r\n if (i in rowValues && rowValues[i].value * d.value >= 0) {\r\n offset += scale(values[i]) - y0;\r\n }\r\n }\r\n });\r\n return offset;\r\n };\r\n };\r\n ChartInternal.prototype.isWithinShape = function (that, d) {\r\n var $$ = this, shape = $$.d3.select(that), isWithin;\r\n if (!$$.isTargetToShow(d.id)) {\r\n isWithin = false;\r\n }\r\n else if (that.nodeName === 'circle') {\r\n isWithin = $$.isStepType(d)\r\n ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value))\r\n : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);\r\n }\r\n else if (that.nodeName === 'path') {\r\n isWithin = shape.classed(CLASS.bar)\r\n ? $$.isWithinBar($$.d3.mouse(that), that)\r\n : true;\r\n }\r\n return isWithin;\r\n };\r\n ChartInternal.prototype.getInterpolate = function (d) {\r\n var $$ = this, d3 = $$.d3, types = {\r\n linear: d3.curveLinear,\r\n 'linear-closed': d3.curveLinearClosed,\r\n basis: d3.curveBasis,\r\n 'basis-open': d3.curveBasisOpen,\r\n 'basis-closed': d3.curveBasisClosed,\r\n bundle: d3.curveBundle,\r\n cardinal: d3.curveCardinal,\r\n 'cardinal-open': d3.curveCardinalOpen,\r\n 'cardinal-closed': d3.curveCardinalClosed,\r\n monotone: d3.curveMonotoneX,\r\n step: d3.curveStep,\r\n 'step-before': d3.curveStepBefore,\r\n 'step-after': d3.curveStepAfter\r\n }, type;\r\n if ($$.isSplineType(d)) {\r\n type = types[$$.config.spline_interpolation_type] || types.cardinal;\r\n }\r\n else if ($$.isStepType(d)) {\r\n type = types[$$.config.line_step_type];\r\n }\r\n else {\r\n type = types.linear;\r\n }\r\n return type;\r\n };\n\n ChartInternal.prototype.initLine = function () {\r\n var $$ = this;\r\n $$.main\r\n .select('.' + CLASS.chart)\r\n .append('g')\r\n .attr('class', CLASS.chartLines);\r\n };\r\n ChartInternal.prototype.updateTargetsForLine = function (targets) {\r\n var $$ = this, config = $$.config, mainLines, mainLineEnter, classChartLine = $$.classChartLine.bind($$), classLines = $$.classLines.bind($$), classAreas = $$.classAreas.bind($$), classCircles = $$.classCircles.bind($$), classFocus = $$.classFocus.bind($$);\r\n mainLines = $$.main\r\n .select('.' + CLASS.chartLines)\r\n .selectAll('.' + CLASS.chartLine)\r\n .data(targets)\r\n .attr('class', function (d) {\r\n return classChartLine(d) + classFocus(d);\r\n });\r\n mainLineEnter = mainLines\r\n .enter()\r\n .append('g')\r\n .attr('class', classChartLine)\r\n .style('opacity', 0)\r\n .style('pointer-events', 'none');\r\n // Lines for each data\r\n mainLineEnter.append('g').attr('class', classLines);\r\n // Areas\r\n mainLineEnter.append('g').attr('class', classAreas);\r\n // Circles for each data point on lines\r\n mainLineEnter.append('g').attr('class', function (d) {\r\n return $$.generateClass(CLASS.selectedCircles, d.id);\r\n });\r\n mainLineEnter\r\n .append('g')\r\n .attr('class', classCircles)\r\n .style('cursor', function (d) {\r\n return config.data_selection_isselectable(d) ? 'pointer' : null;\r\n });\r\n // Update date for selected circles\r\n targets.forEach(function (t) {\r\n $$.main\r\n .selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id))\r\n .selectAll('.' + CLASS.selectedCircle)\r\n .each(function (d) {\r\n d.value = t.values[d.index].value;\r\n });\r\n });\r\n // MEMO: can not keep same color...\r\n //mainLineUpdate.exit().remove();\r\n };\r\n ChartInternal.prototype.updateLine = function (durationForExit) {\r\n var $$ = this;\r\n var mainLine = $$.main\r\n .selectAll('.' + CLASS.lines)\r\n .selectAll('.' + CLASS.line)\r\n .data($$.lineData.bind($$));\r\n var mainLineEnter = mainLine\r\n .enter()\r\n .append('path')\r\n .attr('class', $$.classLine.bind($$))\r\n .style('stroke', $$.color);\r\n $$.mainLine = mainLineEnter\r\n .merge(mainLine)\r\n .style('opacity', $$.initialOpacity.bind($$))\r\n .style('shape-rendering', function (d) {\r\n return $$.isStepType(d) ? 'crispEdges' : '';\r\n })\r\n .attr('transform', null);\r\n mainLine\r\n .exit()\r\n .transition()\r\n .duration(durationForExit)\r\n .style('opacity', 0);\r\n };\r\n ChartInternal.prototype.redrawLine = function (drawLine, withTransition, transition) {\r\n return [\r\n (withTransition ? this.mainLine.transition(transition) : this.mainLine)\r\n .attr('d', drawLine)\r\n .style('stroke', this.color)\r\n .style('opacity', 1)\r\n ];\r\n };\r\n ChartInternal.prototype.generateDrawLine = function (lineIndices, isSub) {\r\n var $$ = this, config = $$.config, line = $$.d3.line(), getPoints = $$.generateGetLinePoints(lineIndices, isSub), yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale, xValue = function (d) {\r\n return (isSub ? $$.subxx : $$.xx).call($$, d);\r\n }, yValue = function (d, i) {\r\n return config.data_groups.length > 0\r\n ? getPoints(d, i)[0][1]\r\n : yScaleGetter.call($$, d.id)(d.value);\r\n };\r\n line = config.axis_rotated\r\n ? line.x(yValue).y(xValue)\r\n : line.x(xValue).y(yValue);\r\n if (!config.line_connectNull) {\r\n line = line.defined(function (d) {\r\n return d.value != null;\r\n });\r\n }\r\n return function (d) {\r\n var values = config.line_connectNull\r\n ? $$.filterRemoveNull(d.values)\r\n : d.values, x = isSub ? $$.subX : $$.x, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path;\r\n if ($$.isLineType(d)) {\r\n if (config.data_regions[d.id]) {\r\n path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]);\r\n }\r\n else {\r\n if ($$.isStepType(d)) {\r\n values = $$.convertValuesToStep(values);\r\n }\r\n path = line.curve($$.getInterpolate(d))(values);\r\n }\r\n }\r\n else {\r\n if (values[0]) {\r\n x0 = x(values[0].x);\r\n y0 = y(values[0].value);\r\n }\r\n path = config.axis_rotated ? 'M ' + y0 + ' ' + x0 : 'M ' + x0 + ' ' + y0;\r\n }\r\n return path ? path : 'M 0 0';\r\n };\r\n };\r\n ChartInternal.prototype.generateGetLinePoints = function (lineIndices, isSub) {\r\n // partial duplication of generateGetBarPoints\r\n var $$ = this, config = $$.config, lineTargetsNum = lineIndices.__max__ + 1, x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub), y = $$.getShapeY(!!isSub), lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub), yScale = isSub ? $$.getSubYScale : $$.getYScale;\r\n return function (d, i) {\r\n var y0 = yScale.call($$, d.id)(0), offset = lineOffset(d, i) || y0, // offset is for stacked area chart\r\n posX = x(d), posY = y(d);\r\n // fix posY not to overflow opposite quadrant\r\n if (config.axis_rotated) {\r\n if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) {\r\n posY = y0;\r\n }\r\n }\r\n // 1 point that marks the line position\r\n return [\r\n [posX, posY - (y0 - offset)],\r\n [posX, posY - (y0 - offset)],\r\n [posX, posY - (y0 - offset)],\r\n [posX, posY - (y0 - offset)] // needed for compatibility\r\n ];\r\n };\r\n };\r\n ChartInternal.prototype.lineWithRegions = function (d, x, y, _regions) {\r\n var $$ = this, config = $$.config, prev = -1, i, j, s = 'M', sWithRegion, xp, yp, dx, dy, dd, diff, diffx2, xOffset = $$.isCategorized() ? 0.5 : 0, xValue, yValue, regions = [];\r\n function isWithinRegions(x, regions) {\r\n var i;\r\n for (i = 0; i < regions.length; i++) {\r\n if (regions[i].start < x && x <= regions[i].end) {\r\n return true;\r\n }\r\n }\r\n return false;\r\n }\r\n // Check start/end of regions\r\n if (isDefined(_regions)) {\r\n for (i = 0; i < _regions.length; i++) {\r\n regions[i] = {};\r\n if (isUndefined(_regions[i].start)) {\r\n regions[i].start = d[0].x;\r\n }\r\n else {\r\n regions[i].start = $$.isTimeSeries()\r\n ? $$.parseDate(_regions[i].start)\r\n : _regions[i].start;\r\n }\r\n if (isUndefined(_regions[i].end)) {\r\n regions[i].end = d[d.length - 1].x;\r\n }\r\n else {\r\n regions[i].end = $$.isTimeSeries()\r\n ? $$.parseDate(_regions[i].end)\r\n : _regions[i].end;\r\n }\r\n }\r\n }\r\n // Set scales\r\n xValue = config.axis_rotated\r\n ? function (d) {\r\n return y(d.value);\r\n }\r\n : function (d) {\r\n return x(d.x);\r\n };\r\n yValue = config.axis_rotated\r\n ? function (d) {\r\n return x(d.x);\r\n }\r\n : function (d) {\r\n return y(d.value);\r\n };\r\n // Define svg generator function for region\r\n function generateM(points) {\r\n return ('M' +\r\n points[0][0] +\r\n ' ' +\r\n points[0][1] +\r\n ' ' +\r\n points[1][0] +\r\n ' ' +\r\n points[1][1]);\r\n }\r\n if ($$.isTimeSeries()) {\r\n sWithRegion = function (d0, d1, j, diff) {\r\n var x0 = d0.x.getTime(), x_diff = d1.x - d0.x, xv0 = new Date(x0 + x_diff * j), xv1 = new Date(x0 + x_diff * (j + diff)), points;\r\n if (config.axis_rotated) {\r\n points = [\r\n [y(yp(j)), x(xv0)],\r\n [y(yp(j + diff)), x(xv1)]\r\n ];\r\n }\r\n else {\r\n points = [\r\n [x(xv0), y(yp(j))],\r\n [x(xv1), y(yp(j + diff))]\r\n ];\r\n }\r\n return generateM(points);\r\n };\r\n }\r\n else {\r\n sWithRegion = function (d0, d1, j, diff) {\r\n var points;\r\n if (config.axis_rotated) {\r\n points = [\r\n [y(yp(j), true), x(xp(j))],\r\n [y(yp(j + diff), true), x(xp(j + diff))]\r\n ];\r\n }\r\n else {\r\n points = [\r\n [x(xp(j), true), y(yp(j))],\r\n [x(xp(j + diff), true), y(yp(j + diff))]\r\n ];\r\n }\r\n return generateM(points);\r\n };\r\n }\r\n // Generate\r\n for (i = 0; i < d.length; i++) {\r\n // Draw as normal\r\n if (isUndefined(regions) || !isWithinRegions(d[i].x, regions)) {\r\n s += ' ' + xValue(d[i]) + ' ' + yValue(d[i]);\r\n }\r\n // Draw with region // TODO: Fix for horizotal charts\r\n else {\r\n xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries());\r\n yp = $$.getScale(d[i - 1].value, d[i].value);\r\n dx = x(d[i].x) - x(d[i - 1].x);\r\n dy = y(d[i].value) - y(d[i - 1].value);\r\n dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));\r\n diff = 2 / dd;\r\n diffx2 = diff * 2;\r\n for (j = diff; j <= 1; j += diffx2) {\r\n s += sWithRegion(d[i - 1], d[i], j, diff);\r\n }\r\n }\r\n prev = d[i].x;\r\n }\r\n return s;\r\n };\r\n ChartInternal.prototype.updateArea = function (durationForExit) {\r\n var $$ = this, d3 = $$.d3;\r\n var mainArea = $$.main\r\n .selectAll('.' + CLASS.areas)\r\n .selectAll('.' + CLASS.area)\r\n .data($$.lineData.bind($$));\r\n var mainAreaEnter = mainArea\r\n .enter()\r\n .append('path')\r\n .attr('class', $$.classArea.bind($$))\r\n .style('fill', $$.color)\r\n .style('opacity', function () {\r\n $$.orgAreaOpacity = +d3.select(this).style('opacity');\r\n return 0;\r\n });\r\n $$.mainArea = mainAreaEnter\r\n .merge(mainArea)\r\n .style('opacity', $$.orgAreaOpacity);\r\n mainArea\r\n .exit()\r\n .transition()\r\n .duration(durationForExit)\r\n .style('opacity', 0);\r\n };\r\n ChartInternal.prototype.redrawArea = function (drawArea, withTransition, transition) {\r\n return [\r\n (withTransition ? this.mainArea.transition(transition) : this.mainArea)\r\n .attr('d', drawArea)\r\n .style('fill', this.color)\r\n .style('opacity', this.orgAreaOpacity)\r\n ];\r\n };\r\n ChartInternal.prototype.generateDrawArea = function (areaIndices, isSub) {\r\n var $$ = this, config = $$.config, area = $$.d3.area(), getPoints = $$.generateGetAreaPoints(areaIndices, isSub), yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale, xValue = function (d) {\r\n return (isSub ? $$.subxx : $$.xx).call($$, d);\r\n }, value0 = function (d, i) {\r\n return config.data_groups.length > 0\r\n ? getPoints(d, i)[0][1]\r\n : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id));\r\n }, value1 = function (d, i) {\r\n return config.data_groups.length > 0\r\n ? getPoints(d, i)[1][1]\r\n : yScaleGetter.call($$, d.id)(d.value);\r\n };\r\n area = config.axis_rotated\r\n ? area\r\n .x0(value0)\r\n .x1(value1)\r\n .y(xValue)\r\n : area\r\n .x(xValue)\r\n .y0(config.area_above ? 0 : value0)\r\n .y1(value1);\r\n if (!config.line_connectNull) {\r\n area = area.defined(function (d) {\r\n return d.value !== null;\r\n });\r\n }\r\n return function (d) {\r\n var values = config.line_connectNull\r\n ? $$.filterRemoveNull(d.values)\r\n : d.values, x0 = 0, y0 = 0, path;\r\n if ($$.isAreaType(d)) {\r\n if ($$.isStepType(d)) {\r\n values = $$.convertValuesToStep(values);\r\n }\r\n path = area.curve($$.getInterpolate(d))(values);\r\n }\r\n else {\r\n if (values[0]) {\r\n x0 = $$.x(values[0].x);\r\n y0 = $$.getYScale(d.id)(values[0].value);\r\n }\r\n path = config.axis_rotated ? 'M ' + y0 + ' ' + x0 : 'M ' + x0 + ' ' + y0;\r\n }\r\n return path ? path : 'M 0 0';\r\n };\r\n };\r\n ChartInternal.prototype.getAreaBaseValue = function () {\r\n return 0;\r\n };\r\n ChartInternal.prototype.generateGetAreaPoints = function (areaIndices, isSub) {\r\n // partial duplication of generateGetBarPoints\r\n var $$ = this, config = $$.config, areaTargetsNum = areaIndices.__max__ + 1, x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub), y = $$.getShapeY(!!isSub), areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub), yScale = isSub ? $$.getSubYScale : $$.getYScale;\r\n return function (d, i) {\r\n var y0 = yScale.call($$, d.id)(0), offset = areaOffset(d, i) || y0, // offset is for stacked area chart\r\n posX = x(d), posY = y(d);\r\n // fix posY not to overflow opposite quadrant\r\n if (config.axis_rotated) {\r\n if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) {\r\n posY = y0;\r\n }\r\n }\r\n // 1 point that marks the area position\r\n return [\r\n [posX, offset],\r\n [posX, posY - (y0 - offset)],\r\n [posX, posY - (y0 - offset)],\r\n [posX, offset] // needed for compatibility\r\n ];\r\n };\r\n };\r\n ChartInternal.prototype.updateCircle = function (cx, cy) {\r\n var $$ = this;\r\n var mainCircle = $$.main\r\n .selectAll('.' + CLASS.circles)\r\n .selectAll('.' + CLASS.circle)\r\n .data($$.lineOrScatterOrStanfordData.bind($$));\r\n var mainCircleEnter = mainCircle\r\n .enter()\r\n .append('circle')\r\n .attr('shape-rendering', $$.isStanfordGraphType() ? 'crispEdges' : '')\r\n .attr('class', $$.classCircle.bind($$))\r\n .attr('cx', cx)\r\n .attr('cy', cy)\r\n .attr('r', $$.pointR.bind($$))\r\n .style('color', $$.isStanfordGraphType() ? $$.getStanfordPointColor.bind($$) : $$.color);\r\n $$.mainCircle = mainCircleEnter\r\n .merge(mainCircle)\r\n .style('opacity', $$.isStanfordGraphType() ? 1 : $$.initialOpacityForCircle.bind($$));\r\n mainCircle.exit().style('opacity', 0);\r\n };\r\n ChartInternal.prototype.redrawCircle = function (cx, cy, withTransition, transition) {\r\n var $$ = this, selectedCircles = $$.main.selectAll('.' + CLASS.selectedCircle);\r\n return [\r\n (withTransition ? $$.mainCircle.transition(transition) : $$.mainCircle)\r\n .style('opacity', this.opacityForCircle.bind($$))\r\n .style('color', $$.isStanfordGraphType() ? $$.getStanfordPointColor.bind($$) : $$.color)\r\n .attr('cx', cx)\r\n .attr('cy', cy),\r\n (withTransition ? selectedCircles.transition(transition) : selectedCircles)\r\n .attr('cx', cx)\r\n .attr('cy', cy)\r\n ];\r\n };\r\n ChartInternal.prototype.circleX = function (d) {\r\n return d.x || d.x === 0 ? this.x(d.x) : null;\r\n };\r\n ChartInternal.prototype.updateCircleY = function () {\r\n var $$ = this, lineIndices, getPoints;\r\n if ($$.config.data_groups.length > 0) {\r\n (lineIndices = $$.getShapeIndices($$.isLineType)),\r\n (getPoints = $$.generateGetLinePoints(lineIndices));\r\n $$.circleY = function (d, i) {\r\n return getPoints(d, i)[0][1];\r\n };\r\n }\r\n else {\r\n $$.circleY = function (d) {\r\n return $$.getYScale(d.id)(d.value);\r\n };\r\n }\r\n };\r\n ChartInternal.prototype.getCircles = function (i, id) {\r\n var $$ = this;\r\n return (id\r\n ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id))\r\n : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));\r\n };\r\n ChartInternal.prototype.expandCircles = function (i, id, reset) {\r\n var $$ = this, r = $$.pointExpandedR.bind($$);\r\n if (reset) {\r\n $$.unexpandCircles();\r\n }\r\n $$.getCircles(i, id)\r\n .classed(CLASS.EXPANDED, true)\r\n .attr('r', r);\r\n };\r\n ChartInternal.prototype.unexpandCircles = function (i) {\r\n var $$ = this, r = $$.pointR.bind($$);\r\n $$.getCircles(i)\r\n .filter(function () {\r\n return $$.d3.select(this).classed(CLASS.EXPANDED);\r\n })\r\n .classed(CLASS.EXPANDED, false)\r\n .attr('r', r);\r\n };\r\n ChartInternal.prototype.pointR = function (d) {\r\n var $$ = this, config = $$.config;\r\n return $$.isStepType(d)\r\n ? 0\r\n : isFunction(config.point_r)\r\n ? config.point_r(d)\r\n : config.point_r;\r\n };\r\n ChartInternal.prototype.pointExpandedR = function (d) {\r\n var $$ = this, config = $$.config;\r\n if (config.point_focus_expand_enabled) {\r\n return isFunction(config.point_focus_expand_r)\r\n ? config.point_focus_expand_r(d)\r\n : config.point_focus_expand_r\r\n ? config.point_focus_expand_r\r\n : $$.pointR(d) * 1.75;\r\n }\r\n else {\r\n return $$.pointR(d);\r\n }\r\n };\r\n ChartInternal.prototype.pointSelectR = function (d) {\r\n var $$ = this, config = $$.config;\r\n return isFunction(config.point_select_r)\r\n ? config.point_select_r(d)\r\n : config.point_select_r\r\n ? config.point_select_r\r\n : $$.pointR(d) * 4;\r\n };\r\n ChartInternal.prototype.isWithinCircle = function (that, r) {\r\n var d3 = this.d3, mouse = d3.mouse(that), d3_this = d3.select(that), cx = +d3_this.attr('cx'), cy = +d3_this.attr('cy');\r\n return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r;\r\n };\r\n ChartInternal.prototype.isWithinStep = function (that, y) {\r\n return Math.abs(y - this.d3.mouse(that)[1]) < 30;\r\n };\n\n ChartInternal.prototype.getCurrentWidth = function () {\r\n var $$ = this, config = $$.config;\r\n return config.size_width ? config.size_width : $$.getParentWidth();\r\n };\r\n ChartInternal.prototype.getCurrentHeight = function () {\r\n var $$ = this, config = $$.config, h = config.size_height ? config.size_height : $$.getParentHeight();\r\n return h > 0\r\n ? h\r\n : 320 / ($$.hasType('gauge') && !config.gauge_fullCircle ? 2 : 1);\r\n };\r\n ChartInternal.prototype.getCurrentPaddingTop = function () {\r\n var $$ = this, config = $$.config, padding = isValue(config.padding_top) ? config.padding_top : 0;\r\n if ($$.title && $$.title.node()) {\r\n padding += $$.getTitlePadding();\r\n }\r\n return padding;\r\n };\r\n ChartInternal.prototype.getCurrentPaddingBottom = function () {\r\n var config = this.config;\r\n return isValue(config.padding_bottom) ? config.padding_bottom : 0;\r\n };\r\n ChartInternal.prototype.getCurrentPaddingLeft = function (withoutRecompute) {\r\n var $$ = this, config = $$.config;\r\n if (isValue(config.padding_left)) {\r\n return config.padding_left;\r\n }\r\n else if (config.axis_rotated) {\r\n return !config.axis_x_show || config.axis_x_inner\r\n ? 1\r\n : Math.max(ceil10($$.getAxisWidthByAxisId('x', withoutRecompute)), 40);\r\n }\r\n else if (!config.axis_y_show || config.axis_y_inner) {\r\n // && !config.axis_rotated\r\n return $$.axis.getYAxisLabelPosition().isOuter ? 30 : 1;\r\n }\r\n else {\r\n return ceil10($$.getAxisWidthByAxisId('y', withoutRecompute));\r\n }\r\n };\r\n ChartInternal.prototype.getCurrentPaddingRight = function () {\r\n var $$ = this, config = $$.config, padding = 0, defaultPadding = 10, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;\r\n if (isValue(config.padding_right)) {\r\n padding = config.padding_right + 1; // 1 is needed not to hide tick line\r\n }\r\n else if (config.axis_rotated) {\r\n padding = defaultPadding + legendWidthOnRight;\r\n }\r\n else if (!config.axis_y2_show || config.axis_y2_inner) {\r\n // && !config.axis_rotated\r\n padding =\r\n 2 +\r\n legendWidthOnRight +\r\n ($$.axis.getY2AxisLabelPosition().isOuter ? 20 : 0);\r\n }\r\n else {\r\n padding = ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight;\r\n }\r\n if ($$.colorScale && $$.colorScale.node()) {\r\n padding += $$.getColorScalePadding();\r\n }\r\n return padding;\r\n };\r\n ChartInternal.prototype.getParentRectValue = function (key) {\r\n var parent = this.selectChart.node(), v;\r\n while (parent && parent.tagName !== 'BODY') {\r\n try {\r\n v = parent.getBoundingClientRect()[key];\r\n }\r\n catch (e) {\r\n if (key === 'width') {\r\n // In IE in certain cases getBoundingClientRect\r\n // will cause an \"unspecified error\"\r\n v = parent.offsetWidth;\r\n }\r\n }\r\n if (v) {\r\n break;\r\n }\r\n parent = parent.parentNode;\r\n }\r\n return v;\r\n };\r\n ChartInternal.prototype.getParentWidth = function () {\r\n return this.getParentRectValue('width');\r\n };\r\n ChartInternal.prototype.getParentHeight = function () {\r\n var h = this.selectChart.style('height');\r\n return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;\r\n };\r\n ChartInternal.prototype.getSvgLeft = function (withoutRecompute) {\r\n var $$ = this, config = $$.config, hasLeftAxisRect = config.axis_rotated || (!config.axis_rotated && !config.axis_y_inner), leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY, leftAxis = $$.main.select('.' + leftAxisClass).node(), svgRect = leftAxis && hasLeftAxisRect\r\n ? leftAxis.getBoundingClientRect()\r\n : { right: 0 }, chartRect = $$.selectChart.node().getBoundingClientRect(), hasArc = $$.hasArcType(), svgLeft = svgRect.right -\r\n chartRect.left -\r\n (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute));\r\n return svgLeft > 0 ? svgLeft : 0;\r\n };\r\n ChartInternal.prototype.getAxisWidthByAxisId = function (id, withoutRecompute) {\r\n var $$ = this, position = $$.axis.getLabelPositionById(id);\r\n return ($$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 20 : 40));\r\n };\r\n ChartInternal.prototype.getHorizontalAxisHeight = function (axisId, isSubchart) {\r\n var $$ = this, config = $$.config, h = 30;\r\n if (axisId === 'x' && !(isDefined(isSubchart) && isSubchart ? config.subchart_axis_x_show : config.axis_x_show)) {\r\n return 8;\r\n }\r\n if (axisId === 'x' && config.axis_x_height) {\r\n return config.axis_x_height;\r\n }\r\n if (axisId === 'y' && !config.axis_y_show) {\r\n return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1;\r\n }\r\n if (axisId === 'y2' && !config.axis_y2_show) {\r\n return $$.rotated_padding_top;\r\n }\r\n // Calculate x axis height when tick rotated\r\n if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {\r\n h =\r\n 30 +\r\n $$.axis.getMaxTickWidth(axisId) *\r\n Math.cos((Math.PI * (90 - Math.abs(config.axis_x_tick_rotate))) / 180);\r\n }\r\n // Calculate y axis height when tick rotated\r\n if (axisId === 'y' && config.axis_rotated && config.axis_y_tick_rotate) {\r\n h =\r\n 30 +\r\n $$.axis.getMaxTickWidth(axisId) *\r\n Math.cos((Math.PI * (90 - Math.abs(config.axis_y_tick_rotate))) / 180);\r\n }\r\n return (h +\r\n ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) +\r\n (axisId === 'y2' ? -10 : 0));\r\n };\n\n ChartInternal.prototype.initBrush = function (scale) {\r\n var $$ = this, d3 = $$.d3;\r\n // TODO: dynamically change brushY/brushX according to axis_rotated.\r\n $$.brush = ($$.config.axis_rotated ? d3.brushY() : d3.brushX())\r\n .on('brush', function () {\r\n var event = d3.event.sourceEvent;\r\n if (event && event.type === 'zoom') {\r\n return;\r\n }\r\n $$.redrawForBrush();\r\n })\r\n .on('end', function () {\r\n var event = d3.event.sourceEvent;\r\n if (event && event.type === 'zoom') {\r\n return;\r\n }\r\n if ($$.brush.empty() && event && event.type !== 'end') {\r\n $$.brush.clear();\r\n }\r\n });\r\n $$.brush.updateExtent = function () {\r\n var range = this.scale.range(), extent;\r\n if ($$.config.axis_rotated) {\r\n extent = [\r\n [0, range[0]],\r\n [$$.width2, range[1]]\r\n ];\r\n }\r\n else {\r\n extent = [\r\n [range[0], 0],\r\n [range[1], $$.height2]\r\n ];\r\n }\r\n this.extent(extent);\r\n return this;\r\n };\r\n $$.brush.updateScale = function (scale) {\r\n this.scale = scale;\r\n return this;\r\n };\r\n $$.brush.update = function (scale) {\r\n this.updateScale(scale || $$.subX).updateExtent();\r\n $$.context.select('.' + CLASS.brush).call(this);\r\n };\r\n $$.brush.clear = function () {\r\n $$.context.select('.' + CLASS.brush).call($$.brush.move, null);\r\n };\r\n $$.brush.selection = function () {\r\n return d3.brushSelection($$.context.select('.' + CLASS.brush).node());\r\n };\r\n $$.brush.selectionAsValue = function (selectionAsValue, withTransition) {\r\n var selection, brush;\r\n if (selectionAsValue) {\r\n if ($$.context) {\r\n selection = [\r\n this.scale(selectionAsValue[0]),\r\n this.scale(selectionAsValue[1])\r\n ];\r\n brush = $$.context.select('.' + CLASS.brush);\r\n if (withTransition) {\r\n brush = brush.transition();\r\n }\r\n $$.brush.move(brush, selection);\r\n }\r\n return [];\r\n }\r\n selection = $$.brush.selection() || [0, 0];\r\n return [this.scale.invert(selection[0]), this.scale.invert(selection[1])];\r\n };\r\n $$.brush.empty = function () {\r\n var selection = $$.brush.selection();\r\n return !selection || selection[0] === selection[1];\r\n };\r\n return $$.brush.updateScale(scale);\r\n };\r\n ChartInternal.prototype.initSubchart = function () {\r\n var $$ = this, config = $$.config, context = ($$.context = $$.svg\r\n .append('g')\r\n .attr('transform', $$.getTranslate('context')));\r\n // set style\r\n context.style('visibility', 'visible');\r\n // Define g for chart area\r\n context\r\n .append('g')\r\n .attr('clip-path', $$.clipPathForSubchart)\r\n .attr('class', CLASS.chart);\r\n // Define g for bar chart area\r\n context\r\n .select('.' + CLASS.chart)\r\n .append('g')\r\n .attr('class', CLASS.chartBars);\r\n // Define g for line chart area\r\n context\r\n .select('.' + CLASS.chart)\r\n .append('g')\r\n .attr('class', CLASS.chartLines);\r\n // Add extent rect for Brush\r\n context\r\n .append('g')\r\n .attr('clip-path', $$.clipPath)\r\n .attr('class', CLASS.brush);\r\n // ATTENTION: This must be called AFTER chart added\r\n // Add Axis\r\n $$.axes.subx = context\r\n .append('g')\r\n .attr('class', CLASS.axisX)\r\n .attr('transform', $$.getTranslate('subx'))\r\n .attr('clip-path', config.axis_rotated ? '' : $$.clipPathForXAxis)\r\n .style('visibility', config.subchart_axis_x_show ? 'visible' : 'hidden');\r\n };\r\n ChartInternal.prototype.initSubchartBrush = function () {\r\n var $$ = this;\r\n // Add extent rect for Brush\r\n $$.initBrush($$.subX).updateExtent();\r\n $$.context.select('.' + CLASS.brush).call($$.brush);\r\n };\r\n ChartInternal.prototype.updateTargetsForSubchart = function (targets) {\r\n var $$ = this, context = $$.context, config = $$.config, contextLineEnter, contextLine, contextBarEnter, contextBar, classChartBar = $$.classChartBar.bind($$), classBars = $$.classBars.bind($$), classChartLine = $$.classChartLine.bind($$), classLines = $$.classLines.bind($$), classAreas = $$.classAreas.bind($$);\r\n //-- Bar --//\r\n contextBar = context\r\n .select('.' + CLASS.chartBars)\r\n .selectAll('.' + CLASS.chartBar)\r\n .data(targets);\r\n contextBarEnter = contextBar\r\n .enter()\r\n .append('g')\r\n .style('opacity', 0);\r\n contextBarEnter.merge(contextBar).attr('class', classChartBar);\r\n // Bars for each data\r\n contextBarEnter.append('g').attr('class', classBars);\r\n //-- Line --//\r\n contextLine = context\r\n .select('.' + CLASS.chartLines)\r\n .selectAll('.' + CLASS.chartLine)\r\n .data(targets);\r\n contextLineEnter = contextLine\r\n .enter()\r\n .append('g')\r\n .style('opacity', 0);\r\n contextLineEnter.merge(contextLine).attr('class', classChartLine);\r\n // Lines for each data\r\n contextLineEnter.append('g').attr('class', classLines);\r\n // Area\r\n contextLineEnter.append('g').attr('class', classAreas);\r\n //-- Brush --//\r\n context\r\n .selectAll('.' + CLASS.brush + ' rect')\r\n .attr(config.axis_rotated ? 'width' : 'height', config.axis_rotated ? $$.width2 : $$.height2);\r\n };\r\n ChartInternal.prototype.updateBarForSubchart = function (durationForExit) {\r\n var $$ = this;\r\n var contextBar = $$.context\r\n .selectAll('.' + CLASS.bars)\r\n .selectAll('.' + CLASS.bar)\r\n .data($$.barData.bind($$));\r\n var contextBarEnter = contextBar\r\n .enter()\r\n .append('path')\r\n .attr('class', $$.classBar.bind($$))\r\n .style('stroke', 'none')\r\n .style('fill', $$.color);\r\n contextBar\r\n .exit()\r\n .transition()\r\n .duration(durationForExit)\r\n .style('opacity', 0)\r\n .remove();\r\n $$.contextBar = contextBarEnter\r\n .merge(contextBar)\r\n .style('opacity', $$.initialOpacity.bind($$));\r\n };\r\n ChartInternal.prototype.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) {\r\n (withTransition\r\n ? this.contextBar.transition(Math.random().toString()).duration(duration)\r\n : this.contextBar)\r\n .attr('d', drawBarOnSub)\r\n .style('opacity', 1);\r\n };\r\n ChartInternal.prototype.updateLineForSubchart = function (durationForExit) {\r\n var $$ = this;\r\n var contextLine = $$.context\r\n .selectAll('.' + CLASS.lines)\r\n .selectAll('.' + CLASS.line)\r\n .data($$.lineData.bind($$));\r\n var contextLineEnter = contextLine\r\n .enter()\r\n .append('path')\r\n .attr('class', $$.classLine.bind($$))\r\n .style('stroke', $$.color);\r\n contextLine\r\n .exit()\r\n .transition()\r\n .duration(durationForExit)\r\n .style('opacity', 0)\r\n .remove();\r\n $$.contextLine = contextLineEnter\r\n .merge(contextLine)\r\n .style('opacity', $$.initialOpacity.bind($$));\r\n };\r\n ChartInternal.prototype.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) {\r\n (withTransition\r\n ? this.contextLine.transition(Math.random().toString()).duration(duration)\r\n : this.contextLine)\r\n .attr('d', drawLineOnSub)\r\n .style('opacity', 1);\r\n };\r\n ChartInternal.prototype.updateAreaForSubchart = function (durationForExit) {\r\n var $$ = this, d3 = $$.d3;\r\n var contextArea = $$.context\r\n .selectAll('.' + CLASS.areas)\r\n .selectAll('.' + CLASS.area)\r\n .data($$.lineData.bind($$));\r\n var contextAreaEnter = contextArea\r\n .enter()\r\n .append('path')\r\n .attr('class', $$.classArea.bind($$))\r\n .style('fill', $$.color)\r\n .style('opacity', function () {\r\n $$.orgAreaOpacity = +d3.select(this).style('opacity');\r\n return 0;\r\n });\r\n contextArea\r\n .exit()\r\n .transition()\r\n .duration(durationForExit)\r\n .style('opacity', 0)\r\n .remove();\r\n $$.contextArea = contextAreaEnter.merge(contextArea).style('opacity', 0);\r\n };\r\n ChartInternal.prototype.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) {\r\n (withTransition\r\n ? this.contextArea.transition(Math.random().toString()).duration(duration)\r\n : this.contextArea)\r\n .attr('d', drawAreaOnSub)\r\n .style('fill', this.color)\r\n .style('opacity', this.orgAreaOpacity);\r\n };\r\n ChartInternal.prototype.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {\r\n var $$ = this, d3 = $$.d3, drawAreaOnSub, drawBarOnSub, drawLineOnSub;\r\n // reflect main chart to extent on subchart if zoomed\r\n if (d3.event && d3.event.type === 'zoom') {\r\n $$.brush.selectionAsValue($$.x.orgDomain());\r\n }\r\n // update subchart elements if needed\r\n if (withSubchart) {\r\n // extent rect\r\n if (!$$.brush.empty()) {\r\n $$.brush.selectionAsValue($$.x.orgDomain());\r\n }\r\n // setup drawer - MEMO: this must be called after axis updated\r\n drawAreaOnSub = $$.generateDrawArea(areaIndices, true);\r\n drawBarOnSub = $$.generateDrawBar(barIndices, true);\r\n drawLineOnSub = $$.generateDrawLine(lineIndices, true);\r\n $$.updateBarForSubchart(duration);\r\n $$.updateLineForSubchart(duration);\r\n $$.updateAreaForSubchart(duration);\r\n $$.redrawBarForSubchart(drawBarOnSub, duration, duration);\r\n $$.redrawLineForSubchart(drawLineOnSub, duration, duration);\r\n $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration);\r\n }\r\n };\r\n ChartInternal.prototype.redrawForBrush = function () {\r\n var $$ = this, x = $$.x, d3 = $$.d3, s;\r\n $$.redraw({\r\n withTransition: false,\r\n withY: $$.config.zoom_rescale,\r\n withSubchart: false,\r\n withUpdateXDomain: true,\r\n withEventRect: false,\r\n withDimension: false\r\n });\r\n // update zoom transation binded to event rect\r\n s = d3.event.selection || $$.brush.scale.range();\r\n $$.main\r\n .select('.' + CLASS.eventRect)\r\n .call($$.zoom.transform, d3.zoomIdentity.scale($$.width / (s[1] - s[0])).translate(-s[0], 0));\r\n $$.config.subchart_onbrush.call($$.api, x.orgDomain());\r\n };\r\n ChartInternal.prototype.transformContext = function (withTransition, transitions) {\r\n var $$ = this, subXAxis;\r\n if (transitions && transitions.axisSubX) {\r\n subXAxis = transitions.axisSubX;\r\n }\r\n else {\r\n subXAxis = $$.context.select('.' + CLASS.axisX);\r\n if (withTransition) {\r\n subXAxis = subXAxis.transition();\r\n }\r\n }\r\n $$.context.attr('transform', $$.getTranslate('context'));\r\n subXAxis.attr('transform', $$.getTranslate('subx'));\r\n };\r\n ChartInternal.prototype.getDefaultSelection = function () {\r\n var $$ = this, config = $$.config, selection = isFunction(config.axis_x_selection)\r\n ? config.axis_x_selection($$.getXDomain($$.data.targets))\r\n : config.axis_x_selection;\r\n if ($$.isTimeSeries()) {\r\n selection = [$$.parseDate(selection[0]), $$.parseDate(selection[1])];\r\n }\r\n return selection;\r\n };\r\n ChartInternal.prototype.removeSubchart = function () {\r\n var $$ = this;\r\n $$.brush = null;\r\n $$.context.remove();\r\n $$.context = null;\r\n };\n\n ChartInternal.prototype.initText = function () {\r\n var $$ = this;\r\n $$.main\r\n .select('.' + CLASS.chart)\r\n .append('g')\r\n .attr('class', CLASS.chartTexts);\r\n $$.mainText = $$.d3.selectAll([]);\r\n };\r\n ChartInternal.prototype.updateTargetsForText = function (targets) {\r\n var $$ = this, classChartText = $$.classChartText.bind($$), classTexts = $$.classTexts.bind($$), classFocus = $$.classFocus.bind($$);\r\n var mainText = $$.main\r\n .select('.' + CLASS.chartTexts)\r\n .selectAll('.' + CLASS.chartText)\r\n .data(targets);\r\n var mainTextEnter = mainText\r\n .enter()\r\n .append('g')\r\n .attr('class', classChartText)\r\n .style('opacity', 0)\r\n .style('pointer-events', 'none');\r\n mainTextEnter.append('g').attr('class', classTexts);\r\n mainTextEnter.merge(mainText).attr('class', function (d) {\r\n return classChartText(d) + classFocus(d);\r\n });\r\n };\r\n ChartInternal.prototype.updateText = function (xForText, yForText, durationForExit) {\r\n var $$ = this, config = $$.config, barOrLineData = $$.barOrLineData.bind($$), classText = $$.classText.bind($$);\r\n var mainText = $$.main\r\n .selectAll('.' + CLASS.texts)\r\n .selectAll('.' + CLASS.text)\r\n .data(barOrLineData);\r\n var mainTextEnter = mainText\r\n .enter()\r\n .append('text')\r\n .attr('class', classText)\r\n .attr('text-anchor', function (d) {\r\n return config.axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle';\r\n })\r\n .style('stroke', 'none')\r\n .attr('x', xForText)\r\n .attr('y', yForText)\r\n .style('fill', function (d) {\r\n return $$.color(d);\r\n })\r\n .style('fill-opacity', 0);\r\n $$.mainText = mainTextEnter.merge(mainText).text(function (d, i, j) {\r\n return $$.dataLabelFormat(d.id)(d.value, d.id, i, j);\r\n });\r\n mainText\r\n .exit()\r\n .transition()\r\n .duration(durationForExit)\r\n .style('fill-opacity', 0)\r\n .remove();\r\n };\r\n ChartInternal.prototype.redrawText = function (xForText, yForText, forFlow, withTransition, transition) {\r\n return [\r\n (withTransition ? this.mainText.transition(transition) : this.mainText)\r\n .attr('x', xForText)\r\n .attr('y', yForText)\r\n .style('fill', this.color)\r\n .style('fill-opacity', forFlow ? 0 : this.opacityForText.bind(this))\r\n ];\r\n };\r\n ChartInternal.prototype.getTextRect = function (text, cls, element) {\r\n var dummy = this.d3\r\n .select('body')\r\n .append('div')\r\n .classed('c3', true), svg = dummy\r\n .append('svg')\r\n .style('visibility', 'hidden')\r\n .style('position', 'fixed')\r\n .style('top', 0)\r\n .style('left', 0), font = this.d3.select(element).style('font'), rect;\r\n svg\r\n .selectAll('.dummy')\r\n .data([text])\r\n .enter()\r\n .append('text')\r\n .classed(cls ? cls : '', true)\r\n .style('font', font)\r\n .text(text)\r\n .each(function () {\r\n rect = getBBox(this);\r\n });\r\n dummy.remove();\r\n return rect;\r\n };\r\n ChartInternal.prototype.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {\r\n var $$ = this, getAreaPoints = $$.generateGetAreaPoints(areaIndices, false), getBarPoints = $$.generateGetBarPoints(barIndices, false), getLinePoints = $$.generateGetLinePoints(lineIndices, false), getter = forX ? $$.getXForText : $$.getYForText;\r\n return function (d, i) {\r\n var getPoints = $$.isAreaType(d)\r\n ? getAreaPoints\r\n : $$.isBarType(d)\r\n ? getBarPoints\r\n : getLinePoints;\r\n return getter.call($$, getPoints(d, i), d, this);\r\n };\r\n };\r\n ChartInternal.prototype.getXForText = function (points, d, textElement) {\r\n var $$ = this, box = getBBox(textElement), xPos, padding;\r\n if ($$.config.axis_rotated) {\r\n padding = $$.isBarType(d) ? 4 : 6;\r\n xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);\r\n }\r\n else {\r\n xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];\r\n }\r\n // show labels regardless of the domain if value is null\r\n if (d.value === null) {\r\n if (xPos > $$.width) {\r\n xPos = $$.width - box.width;\r\n }\r\n else if (xPos < 0) {\r\n xPos = 4;\r\n }\r\n }\r\n return xPos;\r\n };\r\n ChartInternal.prototype.getYForText = function (points, d, textElement) {\r\n var $$ = this, box = getBBox(textElement), yPos;\r\n if ($$.config.axis_rotated) {\r\n yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;\r\n }\r\n else {\r\n yPos = points[2][1];\r\n if (d.value < 0 || (d.value === 0 && !$$.hasPositiveValue)) {\r\n yPos += box.height;\r\n if ($$.isBarType(d) && $$.isSafari()) {\r\n yPos -= 3;\r\n }\r\n else if (!$$.isBarType(d) && $$.isChrome()) {\r\n yPos += 3;\r\n }\r\n }\r\n else {\r\n yPos += $$.isBarType(d) ? -3 : -6;\r\n }\r\n }\r\n // show labels regardless of the domain if value is null\r\n if (d.value === null && !$$.config.axis_rotated) {\r\n if (yPos < box.height) {\r\n yPos = box.height;\r\n }\r\n else if (yPos > this.height) {\r\n yPos = this.height - 4;\r\n }\r\n }\r\n return yPos;\r\n };\n\n ChartInternal.prototype.initTitle = function () {\r\n var $$ = this;\r\n $$.title = $$.svg\r\n .append('text')\r\n .text($$.config.title_text)\r\n .attr('class', $$.CLASS.title);\r\n };\r\n ChartInternal.prototype.redrawTitle = function () {\r\n var $$ = this;\r\n $$.title.attr('x', $$.xForTitle.bind($$)).attr('y', $$.yForTitle.bind($$));\r\n };\r\n ChartInternal.prototype.xForTitle = function () {\r\n var $$ = this, config = $$.config, position = config.title_position || 'left', x;\r\n if (position.indexOf('right') >= 0) {\r\n x =\r\n $$.currentWidth -\r\n $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width -\r\n config.title_padding.right;\r\n }\r\n else if (position.indexOf('center') >= 0) {\r\n x = Math.max(($$.currentWidth -\r\n $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width) /\r\n 2, 0);\r\n }\r\n else {\r\n // left\r\n x = config.title_padding.left;\r\n }\r\n return x;\r\n };\r\n ChartInternal.prototype.yForTitle = function () {\r\n var $$ = this;\r\n return ($$.config.title_padding.top +\r\n $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node())\r\n .height);\r\n };\r\n ChartInternal.prototype.getTitlePadding = function () {\r\n var $$ = this;\r\n return $$.yForTitle() + $$.config.title_padding.bottom;\r\n };\n\n function powerOfTen(d) {\r\n return d / Math.pow(10, Math.ceil(Math.log(d) / Math.LN10 - 1e-12)) === 1;\r\n }\r\n ChartInternal.prototype.drawColorScale = function () {\r\n var $$ = this, d3 = $$.d3, config = $$.config, target = $$.data.targets[0], barWidth, barHeight, axis, points, legendAxis, axisScale, inverseScale, height;\r\n barWidth = !isNaN(config.stanford_scaleWidth)\r\n ? config.stanford_scaleWidth\r\n : 20;\r\n barHeight = 5;\r\n if (barHeight < 0 || barWidth < 0) {\r\n throw Error(\"Colorscale's barheight and barwidth must be greater than 0.\");\r\n }\r\n height =\r\n $$.height - config.stanford_padding.bottom - config.stanford_padding.top;\r\n points = d3.range(config.stanford_padding.bottom, height, barHeight);\r\n inverseScale = d3\r\n .scaleSequential(target.colors)\r\n .domain([points[points.length - 1], points[0]]);\r\n if ($$.colorScale) {\r\n $$.colorScale.remove();\r\n }\r\n $$.colorScale = $$.svg\r\n .append('g')\r\n .attr('width', 50)\r\n .attr('height', height)\r\n .attr('class', CLASS.colorScale);\r\n $$.colorScale\r\n .append('g')\r\n .attr('transform', \"translate(0, \" + config.stanford_padding.top + \")\")\r\n .selectAll('bars')\r\n .data(points)\r\n .enter()\r\n .append('rect')\r\n .attr('y', function (d, i) { return i * barHeight; })\r\n .attr('x', 0)\r\n .attr('width', barWidth)\r\n .attr('height', barHeight)\r\n .attr('fill', function (d) {\r\n return inverseScale(d);\r\n });\r\n // Legend Axis\r\n axisScale = d3\r\n .scaleLog()\r\n .domain([target.minEpochs, target.maxEpochs])\r\n .range([\r\n points[0] +\r\n config.stanford_padding.top +\r\n points[points.length - 1] +\r\n barHeight -\r\n 1,\r\n points[0] + config.stanford_padding.top\r\n ]);\r\n legendAxis = d3.axisRight(axisScale);\r\n if (config.stanford_scaleFormat === 'pow10') {\r\n legendAxis.tickValues([1, 10, 100, 1000, 10000, 100000, 1000000, 10000000]);\r\n }\r\n else if (isFunction(config.stanford_scaleFormat)) {\r\n legendAxis.tickFormat(config.stanford_scaleFormat);\r\n }\r\n else {\r\n legendAxis.tickFormat(d3.format('d'));\r\n }\r\n if (isFunction(config.stanford_scaleValues)) {\r\n legendAxis.tickValues(config.stanford_scaleValues(target.minEpochs, target.maxEpochs));\r\n }\r\n // Draw Axis\r\n axis = $$.colorScale\r\n .append('g')\r\n .attr('class', 'legend axis')\r\n .attr('transform', \"translate(\" + barWidth + \",0)\")\r\n .call(legendAxis);\r\n if (config.stanford_scaleFormat === 'pow10') {\r\n axis\r\n .selectAll('.tick text')\r\n .text(null)\r\n .filter(powerOfTen)\r\n .text(10)\r\n .append('tspan')\r\n .attr('dy', '-.7em') // https://bl.ocks.org/mbostock/6738229\r\n .text(function (d) {\r\n return Math.round(Math.log(d) / Math.LN10);\r\n });\r\n }\r\n $$.colorScale.attr('transform', \"translate(\" + ($$.currentWidth - $$.xForColorScale()) + \", 0)\");\r\n };\r\n ChartInternal.prototype.xForColorScale = function () {\r\n var $$ = this;\r\n return $$.config.stanford_padding.right + getBBox($$.colorScale.node()).width;\r\n };\r\n ChartInternal.prototype.getColorScalePadding = function () {\r\n var $$ = this;\r\n return $$.xForColorScale() + $$.config.stanford_padding.left + 20;\r\n };\n\n ChartInternal.prototype.isStanfordGraphType = function () {\r\n var $$ = this;\r\n return $$.config.data_type === 'stanford';\r\n };\r\n ChartInternal.prototype.initStanfordData = function () {\r\n var $$ = this, d3 = $$.d3, config = $$.config, target = $$.data.targets[0], epochs, maxEpochs, minEpochs;\r\n // Make larger values appear on top\r\n target.values.sort(compareEpochs);\r\n // Get array of epochs\r\n epochs = target.values.map(function (a) { return a.epochs; });\r\n minEpochs = !isNaN(config.stanford_scaleMin)\r\n ? config.stanford_scaleMin\r\n : d3.min(epochs);\r\n maxEpochs = !isNaN(config.stanford_scaleMax)\r\n ? config.stanford_scaleMax\r\n : d3.max(epochs);\r\n if (minEpochs > maxEpochs) {\r\n throw Error('Number of minEpochs has to be smaller than maxEpochs');\r\n }\r\n target.colors = isFunction(config.stanford_colors)\r\n ? config.stanford_colors\r\n : d3.interpolateHslLong(d3.hsl(250, 1, 0.5), d3.hsl(0, 1, 0.5));\r\n target.colorscale = d3\r\n .scaleSequentialLog(target.colors)\r\n .domain([minEpochs, maxEpochs]);\r\n target.minEpochs = minEpochs;\r\n target.maxEpochs = maxEpochs;\r\n };\r\n ChartInternal.prototype.getStanfordPointColor = function (d) {\r\n var $$ = this, target = $$.data.targets[0];\r\n return target.colorscale(d.epochs);\r\n };\r\n // http://jsfiddle.net/Xotic750/KtzLq/\r\n ChartInternal.prototype.getCentroid = function (points) {\r\n var area = getRegionArea(points);\r\n var x = 0, y = 0, i, j, f, point1, point2;\r\n for (i = 0, j = points.length - 1; i < points.length; j = i, i += 1) {\r\n point1 = points[i];\r\n point2 = points[j];\r\n f = point1.x * point2.y - point2.x * point1.y;\r\n x += (point1.x + point2.x) * f;\r\n y += (point1.y + point2.y) * f;\r\n }\r\n f = area * 6;\r\n return {\r\n x: x / f,\r\n y: y / f\r\n };\r\n };\r\n ChartInternal.prototype.getStanfordTooltipTitle = function (d) {\r\n var $$ = this, labelX = $$.axis.getLabelText('x'), labelY = $$.axis.getLabelText('y');\r\n return \"\\n
\" + title + ' | |
---|---|
\" +\r\n name +\r\n ' | ';\r\n text += \"\" + value + ' | ';\r\n text += '