diff options
Diffstat (limited to 'usecaseui-monitor/src/main/webapp/app/uui/fusion/scripts/d3.js')
| -rw-r--r-- | usecaseui-monitor/src/main/webapp/app/uui/fusion/scripts/d3.js | 17160 |
1 files changed, 0 insertions, 17160 deletions
diff --git a/usecaseui-monitor/src/main/webapp/app/uui/fusion/scripts/d3.js b/usecaseui-monitor/src/main/webapp/app/uui/fusion/scripts/d3.js deleted file mode 100644 index bd06c10f..00000000 --- a/usecaseui-monitor/src/main/webapp/app/uui/fusion/scripts/d3.js +++ /dev/null @@ -1,17160 +0,0 @@ -// https://d3js.org Version 4.12.2. Copyright 2017 Mike Bostock. -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : - typeof define === 'function' && define.amd ? define(['exports'], factory) : - (factory((global.d3 = global.d3 || {}))); -}(this, (function (exports) { 'use strict'; - -var version = "4.12.2"; - -function ascending(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -} - -function bisector(compare) { - if (compare.length === 1) compare = ascendingComparator(compare); - return { - left: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) < 0) lo = mid + 1; - else hi = mid; - } - return lo; - }, - right: function(a, x, lo, hi) { - if (lo == null) lo = 0; - if (hi == null) hi = a.length; - while (lo < hi) { - var mid = lo + hi >>> 1; - if (compare(a[mid], x) > 0) hi = mid; - else lo = mid + 1; - } - return lo; - } - }; -} - -function ascendingComparator(f) { - return function(d, x) { - return ascending(f(d), x); - }; -} - -var ascendingBisect = bisector(ascending); -var bisectRight = ascendingBisect.right; -var bisectLeft = ascendingBisect.left; - -function pairs(array, f) { - if (f == null) f = pair; - var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n); - while (i < n) pairs[i] = f(p, p = array[++i]); - return pairs; -} - -function pair(a, b) { - return [a, b]; -} - -function cross(values0, values1, reduce) { - var n0 = values0.length, - n1 = values1.length, - values = new Array(n0 * n1), - i0, - i1, - i, - value0; - - if (reduce == null) reduce = pair; - - for (i0 = i = 0; i0 < n0; ++i0) { - for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) { - values[i] = reduce(value0, values1[i1]); - } - } - - return values; -} - -function descending(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -} - -function number(x) { - return x === null ? NaN : +x; -} - -function variance(values, valueof) { - var n = values.length, - m = 0, - i = -1, - mean = 0, - value, - delta, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) { - delta = value - mean; - mean += delta / ++m; - sum += delta * (value - mean); - } - } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) { - delta = value - mean; - mean += delta / ++m; - sum += delta * (value - mean); - } - } - } - - if (m > 1) return sum / (m - 1); -} - -function deviation(array, f) { - var v = variance(array, f); - return v ? Math.sqrt(v) : v; -} - -function extent(values, valueof) { - var n = values.length, - i = -1, - value, - min, - max; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - min = max = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null) { - if (min > value) min = value; - if (max < value) max = value; - } - } - } - } - } - - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - min = max = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null) { - if (min > value) min = value; - if (max < value) max = value; - } - } - } - } - } - - return [min, max]; -} - -var array = Array.prototype; - -var slice = array.slice; -var map = array.map; - -function constant(x) { - return function() { - return x; - }; -} - -function identity(x) { - return x; -} - -function sequence(start, stop, step) { - start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step; - - var i = -1, - n = Math.max(0, Math.ceil((stop - start) / step)) | 0, - range = new Array(n); - - while (++i < n) { - range[i] = start + i * step; - } - - return range; -} - -var e10 = Math.sqrt(50); -var e5 = Math.sqrt(10); -var e2 = Math.sqrt(2); - -function ticks(start, stop, count) { - var reverse, - i = -1, - n, - ticks, - step; - - stop = +stop, start = +start, count = +count; - if (start === stop && count > 0) return [start]; - if (reverse = stop < start) n = start, start = stop, stop = n; - if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return []; - - if (step > 0) { - start = Math.ceil(start / step); - stop = Math.floor(stop / step); - ticks = new Array(n = Math.ceil(stop - start + 1)); - while (++i < n) ticks[i] = (start + i) * step; - } else { - start = Math.floor(start * step); - stop = Math.ceil(stop * step); - ticks = new Array(n = Math.ceil(start - stop + 1)); - while (++i < n) ticks[i] = (start - i) / step; - } - - if (reverse) ticks.reverse(); - - return ticks; -} - -function tickIncrement(start, stop, count) { - var step = (stop - start) / Math.max(0, count), - power = Math.floor(Math.log(step) / Math.LN10), - error = step / Math.pow(10, power); - return power >= 0 - ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) - : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1); -} - -function tickStep(start, stop, count) { - var step0 = Math.abs(stop - start) / Math.max(0, count), - step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), - error = step0 / step1; - if (error >= e10) step1 *= 10; - else if (error >= e5) step1 *= 5; - else if (error >= e2) step1 *= 2; - return stop < start ? -step1 : step1; -} - -function sturges(values) { - return Math.ceil(Math.log(values.length) / Math.LN2) + 1; -} - -function histogram() { - var value = identity, - domain = extent, - threshold = sturges; - - function histogram(data) { - var i, - n = data.length, - x, - values = new Array(n); - - for (i = 0; i < n; ++i) { - values[i] = value(data[i], i, data); - } - - var xz = domain(values), - x0 = xz[0], - x1 = xz[1], - tz = threshold(values, x0, x1); - - // Convert number of thresholds into uniform thresholds. - if (!Array.isArray(tz)) { - tz = tickStep(x0, x1, tz); - tz = sequence(Math.ceil(x0 / tz) * tz, Math.floor(x1 / tz) * tz, tz); // exclusive - } - - // Remove any thresholds outside the domain. - var m = tz.length; - while (tz[0] <= x0) tz.shift(), --m; - while (tz[m - 1] > x1) tz.pop(), --m; - - var bins = new Array(m + 1), - bin; - - // Initialize bins. - for (i = 0; i <= m; ++i) { - bin = bins[i] = []; - bin.x0 = i > 0 ? tz[i - 1] : x0; - bin.x1 = i < m ? tz[i] : x1; - } - - // Assign data to bins by value, ignoring any outside the domain. - for (i = 0; i < n; ++i) { - x = values[i]; - if (x0 <= x && x <= x1) { - bins[bisectRight(tz, x, 0, m)].push(data[i]); - } - } - - return bins; - } - - histogram.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value; - }; - - histogram.domain = function(_) { - return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain; - }; - - histogram.thresholds = function(_) { - return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold; - }; - - return histogram; -} - -function threshold(values, p, valueof) { - if (valueof == null) valueof = number; - if (!(n = values.length)) return; - if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values); - if (p >= 1) return +valueof(values[n - 1], n - 1, values); - var n, - i = (n - 1) * p, - i0 = Math.floor(i), - value0 = +valueof(values[i0], i0, values), - value1 = +valueof(values[i0 + 1], i0 + 1, values); - return value0 + (value1 - value0) * (i - i0); -} - -function freedmanDiaconis(values, min, max) { - values = map.call(values, number).sort(ascending); - return Math.ceil((max - min) / (2 * (threshold(values, 0.75) - threshold(values, 0.25)) * Math.pow(values.length, -1 / 3))); -} - -function scott(values, min, max) { - return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3))); -} - -function max(values, valueof) { - var n = values.length, - i = -1, - value, - max; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - max = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null && value > max) { - max = value; - } - } - } - } - } - - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - max = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null && value > max) { - max = value; - } - } - } - } - } - - return max; -} - -function mean(values, valueof) { - var n = values.length, - m = n, - i = -1, - value, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) sum += value; - else --m; - } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value; - else --m; - } - } - - if (m) return sum / m; -} - -function median(values, valueof) { - var n = values.length, - i = -1, - value, - numbers = []; - - if (valueof == null) { - while (++i < n) { - if (!isNaN(value = number(values[i]))) { - numbers.push(value); - } - } - } - - else { - while (++i < n) { - if (!isNaN(value = number(valueof(values[i], i, values)))) { - numbers.push(value); - } - } - } - - return threshold(numbers.sort(ascending), 0.5); -} - -function merge(arrays) { - var n = arrays.length, - m, - i = -1, - j = 0, - merged, - array; - - while (++i < n) j += arrays[i].length; - merged = new Array(j); - - while (--n >= 0) { - array = arrays[n]; - m = array.length; - while (--m >= 0) { - merged[--j] = array[m]; - } - } - - return merged; -} - -function min(values, valueof) { - var n = values.length, - i = -1, - value, - min; - - if (valueof == null) { - while (++i < n) { // Find the first comparable value. - if ((value = values[i]) != null && value >= value) { - min = value; - while (++i < n) { // Compare the remaining values. - if ((value = values[i]) != null && min > value) { - min = value; - } - } - } - } - } - - else { - while (++i < n) { // Find the first comparable value. - if ((value = valueof(values[i], i, values)) != null && value >= value) { - min = value; - while (++i < n) { // Compare the remaining values. - if ((value = valueof(values[i], i, values)) != null && min > value) { - min = value; - } - } - } - } - } - - return min; -} - -function permute(array, indexes) { - var i = indexes.length, permutes = new Array(i); - while (i--) permutes[i] = array[indexes[i]]; - return permutes; -} - -function scan(values, compare) { - if (!(n = values.length)) return; - var n, - i = 0, - j = 0, - xi, - xj = values[j]; - - if (compare == null) compare = ascending; - - while (++i < n) { - if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { - xj = xi, j = i; - } - } - - if (compare(xj, xj) === 0) return j; -} - -function shuffle(array, i0, i1) { - var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0), - t, - i; - - while (m) { - i = Math.random() * m-- | 0; - t = array[m + i0]; - array[m + i0] = array[i + i0]; - array[i + i0] = t; - } - - return array; -} - -function sum(values, valueof) { - var n = values.length, - i = -1, - value, - sum = 0; - - if (valueof == null) { - while (++i < n) { - if (value = +values[i]) sum += value; // Note: zero and null are equivalent. - } - } - - else { - while (++i < n) { - if (value = +valueof(values[i], i, values)) sum += value; - } - } - - return sum; -} - -function transpose(matrix) { - if (!(n = matrix.length)) return []; - for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) { - for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) { - row[j] = matrix[j][i]; - } - } - return transpose; -} - -function length(d) { - return d.length; -} - -function zip() { - return transpose(arguments); -} - -var slice$1 = Array.prototype.slice; - -function identity$1(x) { - return x; -} - -var top = 1; -var right = 2; -var bottom = 3; -var left = 4; -var epsilon = 1e-6; - -function translateX(x) { - return "translate(" + (x + 0.5) + ",0)"; -} - -function translateY(y) { - return "translate(0," + (y + 0.5) + ")"; -} - -function number$1(scale) { - return function(d) { - return +scale(d); - }; -} - -function center(scale) { - var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset. - if (scale.round()) offset = Math.round(offset); - return function(d) { - return +scale(d) + offset; - }; -} - -function entering() { - return !this.__axis; -} - -function axis(orient, scale) { - var tickArguments = [], - tickValues = null, - tickFormat = null, - tickSizeInner = 6, - tickSizeOuter = 6, - tickPadding = 3, - k = orient === top || orient === left ? -1 : 1, - x = orient === left || orient === right ? "x" : "y", - transform = orient === top || orient === bottom ? translateX : translateY; - - function axis(context) { - var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues, - format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat, - spacing = Math.max(tickSizeInner, 0) + tickPadding, - range = scale.range(), - range0 = +range[0] + 0.5, - range1 = +range[range.length - 1] + 0.5, - position = (scale.bandwidth ? center : number$1)(scale.copy()), - selection = context.selection ? context.selection() : context, - path = selection.selectAll(".domain").data([null]), - tick = selection.selectAll(".tick").data(values, scale).order(), - tickExit = tick.exit(), - tickEnter = tick.enter().append("g").attr("class", "tick"), - line = tick.select("line"), - text = tick.select("text"); - - path = path.merge(path.enter().insert("path", ".tick") - .attr("class", "domain") - .attr("stroke", "#000")); - - tick = tick.merge(tickEnter); - - line = line.merge(tickEnter.append("line") - .attr("stroke", "#000") - .attr(x + "2", k * tickSizeInner)); - - text = text.merge(tickEnter.append("text") - .attr("fill", "#000") - .attr(x, k * spacing) - .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em")); - - if (context !== selection) { - path = path.transition(context); - tick = tick.transition(context); - line = line.transition(context); - text = text.transition(context); - - tickExit = tickExit.transition(context) - .attr("opacity", epsilon) - .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute("transform"); }); - - tickEnter - .attr("opacity", epsilon) - .attr("transform", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); }); - } - - tickExit.remove(); - - path - .attr("d", orient === left || orient == right - ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter - : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter); - - tick - .attr("opacity", 1) - .attr("transform", function(d) { return transform(position(d)); }); - - line - .attr(x + "2", k * tickSizeInner); - - text - .attr(x, k * spacing) - .text(format); - - selection.filter(entering) - .attr("fill", "none") - .attr("font-size", 10) - .attr("font-family", "sans-serif") - .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle"); - - selection - .each(function() { this.__axis = position; }); - } - - axis.scale = function(_) { - return arguments.length ? (scale = _, axis) : scale; - }; - - axis.ticks = function() { - return tickArguments = slice$1.call(arguments), axis; - }; - - axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice(); - }; - - axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice(); - }; - - axis.tickFormat = function(_) { - return arguments.length ? (tickFormat = _, axis) : tickFormat; - }; - - axis.tickSize = function(_) { - return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; - }; - - axis.tickSizeInner = function(_) { - return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; - }; - - axis.tickSizeOuter = function(_) { - return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; - }; - - axis.tickPadding = function(_) { - return arguments.length ? (tickPadding = +_, axis) : tickPadding; - }; - - return axis; -} - -function axisTop(scale) { - return axis(top, scale); -} - -function axisRight(scale) { - return axis(right, scale); -} - -function axisBottom(scale) { - return axis(bottom, scale); -} - -function axisLeft(scale) { - return axis(left, scale); -} - -var noop = {value: function() {}}; - -function dispatch() { - for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t); - _[t] = []; - } - return new Dispatch(_); -} - -function Dispatch(_) { - this._ = _; -} - -function parseTypenames(typenames, types) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t); - return {type: t, name: name}; - }); -} - -Dispatch.prototype = dispatch.prototype = { - constructor: Dispatch, - on: function(typename, callback) { - var _ = this._, - T = parseTypenames(typename + "", _), - t, - i = -1, - n = T.length; - - // If no callback was specified, return the callback of the given type and name. - if (arguments.length < 2) { - while (++i < n) if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t; - return; - } - - // If a type was specified, set the callback for the given type and name. - // Otherwise, if a null callback was specified, remove callbacks of the given name. - if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback); - while (++i < n) { - if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback); - else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null); - } - - return this; - }, - copy: function() { - var copy = {}, _ = this._; - for (var t in _) copy[t] = _[t].slice(); - return new Dispatch(copy); - }, - call: function(type, that) { - if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2]; - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - }, - apply: function(type, that, args) { - if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type); - for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args); - } -}; - -function get(type, name) { - for (var i = 0, n = type.length, c; i < n; ++i) { - if ((c = type[i]).name === name) { - return c.value; - } - } -} - -function set(type, name, callback) { - for (var i = 0, n = type.length; i < n; ++i) { - if (type[i].name === name) { - type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1)); - break; - } - } - if (callback != null) type.push({name: name, value: callback}); - return type; -} - -var xhtml = "http://www.w3.org/1999/xhtml"; - -var namespaces = { - svg: "http://www.w3.org/2000/svg", - xhtml: xhtml, - xlink: "http://www.w3.org/1999/xlink", - xml: "http://www.w3.org/XML/1998/namespace", - xmlns: "http://www.w3.org/2000/xmlns/" -}; - -function namespace(name) { - var prefix = name += "", i = prefix.indexOf(":"); - if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1); - return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name; -} - -function creatorInherit(name) { - return function() { - var document = this.ownerDocument, - uri = this.namespaceURI; - return uri === xhtml && document.documentElement.namespaceURI === xhtml - ? document.createElement(name) - : document.createElementNS(uri, name); - }; -} - -function creatorFixed(fullname) { - return function() { - return this.ownerDocument.createElementNS(fullname.space, fullname.local); - }; -} - -function creator(name) { - var fullname = namespace(name); - return (fullname.local - ? creatorFixed - : creatorInherit)(fullname); -} - -var nextId = 0; - -function local$1() { - return new Local; -} - -function Local() { - this._ = "@" + (++nextId).toString(36); -} - -Local.prototype = local$1.prototype = { - constructor: Local, - get: function(node) { - var id = this._; - while (!(id in node)) if (!(node = node.parentNode)) return; - return node[id]; - }, - set: function(node, value) { - return node[this._] = value; - }, - remove: function(node) { - return this._ in node && delete node[this._]; - }, - toString: function() { - return this._; - } -}; - -var matcher = function(selector) { - return function() { - return this.matches(selector); - }; -}; - -if (typeof document !== "undefined") { - var element = document.documentElement; - if (!element.matches) { - var vendorMatches = element.webkitMatchesSelector - || element.msMatchesSelector - || element.mozMatchesSelector - || element.oMatchesSelector; - matcher = function(selector) { - return function() { - return vendorMatches.call(this, selector); - }; - }; - } -} - -var matcher$1 = matcher; - -var filterEvents = {}; - -exports.event = null; - -if (typeof document !== "undefined") { - var element$1 = document.documentElement; - if (!("onmouseenter" in element$1)) { - filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; - } -} - -function filterContextListener(listener, index, group) { - listener = contextListener(listener, index, group); - return function(event) { - var related = event.relatedTarget; - if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) { - listener.call(this, event); - } - }; -} - -function contextListener(listener, index, group) { - return function(event1) { - var event0 = exports.event; // Events can be reentrant (e.g., focus). - exports.event = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - exports.event = event0; - } - }; -} - -function parseTypenames$1(typenames) { - return typenames.trim().split(/^|\s+/).map(function(t) { - var name = "", i = t.indexOf("."); - if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i); - return {type: t, name: name}; - }); -} - -function onRemove(typename) { - return function() { - var on = this.__on; - if (!on) return; - for (var j = 0, i = -1, m = on.length, o; j < m; ++j) { - if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - } else { - on[++i] = o; - } - } - if (++i) on.length = i; - else delete this.__on; - }; -} - -function onAdd(typename, value, capture) { - var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener; - return function(d, i, group) { - var on = this.__on, o, listener = wrap(value, i, group); - if (on) for (var j = 0, m = on.length; j < m; ++j) { - if ((o = on[j]).type === typename.type && o.name === typename.name) { - this.removeEventListener(o.type, o.listener, o.capture); - this.addEventListener(o.type, o.listener = listener, o.capture = capture); - o.value = value; - return; - } - } - this.addEventListener(typename.type, listener, capture); - o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture}; - if (!on) this.__on = [o]; - else on.push(o); - }; -} - -function selection_on(typename, value, capture) { - var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t; - - if (arguments.length < 2) { - var on = this.node().__on; - if (on) for (var j = 0, m = on.length, o; j < m; ++j) { - for (i = 0, o = on[j]; i < n; ++i) { - if ((t = typenames[i]).type === o.type && t.name === o.name) { - return o.value; - } - } - } - return; - } - - on = value ? onAdd : onRemove; - if (capture == null) capture = false; - for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); - return this; -} - -function customEvent(event1, listener, that, args) { - var event0 = exports.event; - event1.sourceEvent = exports.event; - exports.event = event1; - try { - return listener.apply(that, args); - } finally { - exports.event = event0; - } -} - -function sourceEvent() { - var current = exports.event, source; - while (source = current.sourceEvent) current = source; - return current; -} - -function point(node, event) { - var svg = node.ownerSVGElement || node; - - if (svg.createSVGPoint) { - var point = svg.createSVGPoint(); - point.x = event.clientX, point.y = event.clientY; - point = point.matrixTransform(node.getScreenCTM().inverse()); - return [point.x, point.y]; - } - - var rect = node.getBoundingClientRect(); - return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; -} - -function mouse(node) { - var event = sourceEvent(); - if (event.changedTouches) event = event.changedTouches[0]; - return point(node, event); -} - -function none() {} - -function selector(selector) { - return selector == null ? none : function() { - return this.querySelector(selector); - }; -} - -function selection_select(select) { - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - } - } - } - - return new Selection(subgroups, this._parents); -} - -function empty$1() { - return []; -} - -function selectorAll(selector) { - return selector == null ? empty$1 : function() { - return this.querySelectorAll(selector); - }; -} - -function selection_selectAll(select) { - if (typeof select !== "function") select = selectorAll(select); - - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - subgroups.push(select.call(node, node.__data__, i, group)); - parents.push(node); - } - } - } - - return new Selection(subgroups, parents); -} - -function selection_filter(match) { - if (typeof match !== "function") match = matcher$1(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } - } - - return new Selection(subgroups, this._parents); -} - -function sparse(update) { - return new Array(update.length); -} - -function selection_enter() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); -} - -function EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; -} - -EnterNode.prototype = { - constructor: EnterNode, - appendChild: function(child) { return this._parent.insertBefore(child, this._next); }, - insertBefore: function(child, next) { return this._parent.insertBefore(child, next); }, - querySelector: function(selector) { return this._parent.querySelector(selector); }, - querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); } -}; - -function constant$1(x) { - return function() { - return x; - }; -} - -var keyPrefix = "$"; // Protect against keys like “__proto__”. - -function bindIndex(parent, group, enter, update, exit, data) { - var i = 0, - node, - groupLength = group.length, - dataLength = data.length; - - // Put any non-null nodes that fit into update. - // Put any null nodes into enter. - // Put any remaining data into enter. - for (; i < dataLength; ++i) { - if (node = group[i]) { - node.__data__ = data[i]; - update[i] = node; - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } - - // Put any non-null nodes that don’t fit into exit. - for (; i < groupLength; ++i) { - if (node = group[i]) { - exit[i] = node; - } - } -} - -function bindKey(parent, group, enter, update, exit, data, key) { - var i, - node, - nodeByKeyValue = {}, - groupLength = group.length, - dataLength = data.length, - keyValues = new Array(groupLength), - keyValue; - - // Compute the key for each node. - // If multiple nodes have the same key, the duplicates are added to exit. - for (i = 0; i < groupLength; ++i) { - if (node = group[i]) { - keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group); - if (keyValue in nodeByKeyValue) { - exit[i] = node; - } else { - nodeByKeyValue[keyValue] = node; - } - } - } - - // Compute the key for each datum. - // If there a node associated with this key, join and add it to update. - // If there is not (or the key is a duplicate), add it to enter. - for (i = 0; i < dataLength; ++i) { - keyValue = keyPrefix + key.call(parent, data[i], i, data); - if (node = nodeByKeyValue[keyValue]) { - update[i] = node; - node.__data__ = data[i]; - nodeByKeyValue[keyValue] = null; - } else { - enter[i] = new EnterNode(parent, data[i]); - } - } - - // Add any remaining nodes that were not bound to data to exit. - for (i = 0; i < groupLength; ++i) { - if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) { - exit[i] = node; - } - } -} - -function selection_data(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; - } - - var bind = key ? bindKey : bindIndex, - parents = this._parents, - groups = this._groups; - - if (typeof value !== "function") value = constant$1(value); - - for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) { - var parent = parents[j], - group = groups[j], - groupLength = group.length, - data = value.call(parent, parent && parent.__data__, j, parents), - dataLength = data.length, - enterGroup = enter[j] = new Array(dataLength), - updateGroup = update[j] = new Array(dataLength), - exitGroup = exit[j] = new Array(groupLength); - - bind(parent, group, enterGroup, updateGroup, exitGroup, data, key); - - // Now connect the enter nodes to their following update node, such that - // appendChild can insert the materialized enter node before this node, - // rather than at the end of the parent node. - for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) { - if (previous = enterGroup[i0]) { - if (i0 >= i1) i1 = i0 + 1; - while (!(next = updateGroup[i1]) && ++i1 < dataLength); - previous._next = next || null; - } - } - } - - update = new Selection(update, parents); - update._enter = enter; - update._exit = exit; - return update; -} - -function selection_exit() { - return new Selection(this._exit || this._groups.map(sparse), this._parents); -} - -function selection_merge(selection$$1) { - - for (var groups0 = this._groups, groups1 = selection$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } - } - - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } - - return new Selection(merges, this._parents); -} - -function selection_order() { - - for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) { - for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) { - if (node = group[i]) { - if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next); - next = node; - } - } - } - - return this; -} - -function selection_sort(compare) { - if (!compare) compare = ascending$1; - - function compareNode(a, b) { - return a && b ? compare(a.__data__, b.__data__) : !a - !b; - } - - for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group[i]) { - sortgroup[i] = node; - } - } - sortgroup.sort(compareNode); - } - - return new Selection(sortgroups, this._parents).order(); -} - -function ascending$1(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -} - -function selection_call() { - var callback = arguments[0]; - arguments[0] = this; - callback.apply(null, arguments); - return this; -} - -function selection_nodes() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; -} - -function selection_node() { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length; i < n; ++i) { - var node = group[i]; - if (node) return node; - } - } - - return null; -} - -function selection_size() { - var size = 0; - this.each(function() { ++size; }); - return size; -} - -function selection_empty() { - return !this.node(); -} - -function selection_each(callback) { - - for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) { - for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) { - if (node = group[i]) callback.call(node, node.__data__, i, group); - } - } - - return this; -} - -function attrRemove(name) { - return function() { - this.removeAttribute(name); - }; -} - -function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; -} - -function attrConstant(name, value) { - return function() { - this.setAttribute(name, value); - }; -} - -function attrConstantNS(fullname, value) { - return function() { - this.setAttributeNS(fullname.space, fullname.local, value); - }; -} - -function attrFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttribute(name); - else this.setAttribute(name, v); - }; -} - -function attrFunctionNS(fullname, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttributeNS(fullname.space, fullname.local); - else this.setAttributeNS(fullname.space, fullname.local, v); - }; -} - -function selection_attr(name, value) { - var fullname = namespace(name); - - if (arguments.length < 2) { - var node = this.node(); - return fullname.local - ? node.getAttributeNS(fullname.space, fullname.local) - : node.getAttribute(fullname); - } - - return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); -} - -function defaultView(node) { - return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node - || (node.document && node) // node is a Window - || node.defaultView; // node is a Document -} - -function styleRemove(name) { - return function() { - this.style.removeProperty(name); - }; -} - -function styleConstant(name, value, priority) { - return function() { - this.style.setProperty(name, value, priority); - }; -} - -function styleFunction(name, value, priority) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.style.removeProperty(name); - else this.style.setProperty(name, v, priority); - }; -} - -function selection_style(name, value, priority) { - return arguments.length > 1 - ? this.each((value == null - ? styleRemove : typeof value === "function" - ? styleFunction - : styleConstant)(name, value, priority == null ? "" : priority)) - : styleValue(this.node(), name); -} - -function styleValue(node, name) { - return node.style.getPropertyValue(name) - || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); -} - -function propertyRemove(name) { - return function() { - delete this[name]; - }; -} - -function propertyConstant(name, value) { - return function() { - this[name] = value; - }; -} - -function propertyFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) delete this[name]; - else this[name] = v; - }; -} - -function selection_property(name, value) { - return arguments.length > 1 - ? this.each((value == null - ? propertyRemove : typeof value === "function" - ? propertyFunction - : propertyConstant)(name, value)) - : this.node()[name]; -} - -function classArray(string) { - return string.trim().split(/^|\s+/); -} - -function classList(node) { - return node.classList || new ClassList(node); -} - -function ClassList(node) { - this._node = node; - this._names = classArray(node.getAttribute("class") || ""); -} - -ClassList.prototype = { - add: function(name) { - var i = this._names.indexOf(name); - if (i < 0) { - this._names.push(name); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - remove: function(name) { - var i = this._names.indexOf(name); - if (i >= 0) { - this._names.splice(i, 1); - this._node.setAttribute("class", this._names.join(" ")); - } - }, - contains: function(name) { - return this._names.indexOf(name) >= 0; - } -}; - -function classedAdd(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.add(names[i]); -} - -function classedRemove(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.remove(names[i]); -} - -function classedTrue(names) { - return function() { - classedAdd(this, names); - }; -} - -function classedFalse(names) { - return function() { - classedRemove(this, names); - }; -} - -function classedFunction(names, value) { - return function() { - (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); - }; -} - -function selection_classed(name, value) { - var names = classArray(name + ""); - - if (arguments.length < 2) { - var list = classList(this.node()), i = -1, n = names.length; - while (++i < n) if (!list.contains(names[i])) return false; - return true; - } - - return this.each((typeof value === "function" - ? classedFunction : value - ? classedTrue - : classedFalse)(names, value)); -} - -function textRemove() { - this.textContent = ""; -} - -function textConstant(value) { - return function() { - this.textContent = value; - }; -} - -function textFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.textContent = v == null ? "" : v; - }; -} - -function selection_text(value) { - return arguments.length - ? this.each(value == null - ? textRemove : (typeof value === "function" - ? textFunction - : textConstant)(value)) - : this.node().textContent; -} - -function htmlRemove() { - this.innerHTML = ""; -} - -function htmlConstant(value) { - return function() { - this.innerHTML = value; - }; -} - -function htmlFunction(value) { - return function() { - var v = value.apply(this, arguments); - this.innerHTML = v == null ? "" : v; - }; -} - -function selection_html(value) { - return arguments.length - ? this.each(value == null - ? htmlRemove : (typeof value === "function" - ? htmlFunction - : htmlConstant)(value)) - : this.node().innerHTML; -} - -function raise() { - if (this.nextSibling) this.parentNode.appendChild(this); -} - -function selection_raise() { - return this.each(raise); -} - -function lower() { - if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); -} - -function selection_lower() { - return this.each(lower); -} - -function selection_append(name) { - var create = typeof name === "function" ? name : creator(name); - return this.select(function() { - return this.appendChild(create.apply(this, arguments)); - }); -} - -function constantNull() { - return null; -} - -function selection_insert(name, before) { - var create = typeof name === "function" ? name : creator(name), - select = before == null ? constantNull : typeof before === "function" ? before : selector(before); - return this.select(function() { - return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null); - }); -} - -function remove() { - var parent = this.parentNode; - if (parent) parent.removeChild(this); -} - -function selection_remove() { - return this.each(remove); -} - -function selection_datum(value) { - return arguments.length - ? this.property("__data__", value) - : this.node().__data__; -} - -function dispatchEvent(node, type, params) { - var window = defaultView(node), - event = window.CustomEvent; - - if (typeof event === "function") { - event = new event(type, params); - } else { - event = window.document.createEvent("Event"); - if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail; - else event.initEvent(type, false, false); - } - - node.dispatchEvent(event); -} - -function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); - }; -} - -function dispatchFunction(type, params) { - return function() { - return dispatchEvent(this, type, params.apply(this, arguments)); - }; -} - -function selection_dispatch(type, params) { - return this.each((typeof params === "function" - ? dispatchFunction - : dispatchConstant)(type, params)); -} - -var root = [null]; - -function Selection(groups, parents) { - this._groups = groups; - this._parents = parents; -} - -function selection() { - return new Selection([[document.documentElement]], root); -} - -Selection.prototype = selection.prototype = { - constructor: Selection, - select: selection_select, - selectAll: selection_selectAll, - filter: selection_filter, - data: selection_data, - enter: selection_enter, - exit: selection_exit, - merge: selection_merge, - order: selection_order, - sort: selection_sort, - call: selection_call, - nodes: selection_nodes, - node: selection_node, - size: selection_size, - empty: selection_empty, - each: selection_each, - attr: selection_attr, - style: selection_style, - property: selection_property, - classed: selection_classed, - text: selection_text, - html: selection_html, - raise: selection_raise, - lower: selection_lower, - append: selection_append, - insert: selection_insert, - remove: selection_remove, - datum: selection_datum, - on: selection_on, - dispatch: selection_dispatch -}; - -function select(selector) { - return typeof selector === "string" - ? new Selection([[document.querySelector(selector)]], [document.documentElement]) - : new Selection([[selector]], root); -} - -function selectAll(selector) { - return typeof selector === "string" - ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) - : new Selection([selector == null ? [] : selector], root); -} - -function touch(node, touches, identifier) { - if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; - - for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { - if ((touch = touches[i]).identifier === identifier) { - return point(node, touch); - } - } - - return null; -} - -function touches(node, touches) { - if (touches == null) touches = sourceEvent().touches; - - for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) { - points[i] = point(node, touches[i]); - } - - return points; -} - -function nopropagation() { - exports.event.stopImmediatePropagation(); -} - -function noevent() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -} - -function dragDisable(view) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); - if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); - } else { - root.__noselect = root.style.MozUserSelect; - root.style.MozUserSelect = "none"; - } -} - -function yesdrag(view, noclick) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", null); - if (noclick) { - selection.on("click.drag", noevent, true); - setTimeout(function() { selection.on("click.drag", null); }, 0); - } - if ("onselectstart" in root) { - selection.on("selectstart.drag", null); - } else { - root.style.MozUserSelect = root.__noselect; - delete root.__noselect; - } -} - -function constant$2(x) { - return function() { - return x; - }; -} - -function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) { - this.target = target; - this.type = type; - this.subject = subject; - this.identifier = id; - this.active = active; - this.x = x; - this.y = y; - this.dx = dx; - this.dy = dy; - this._ = dispatch; -} - -DragEvent.prototype.on = function() { - var value = this._.on.apply(this._, arguments); - return value === this._ ? this : value; -}; - -// Ignore right-click, since that should open the context menu. -function defaultFilter$1() { - return !exports.event.button; -} - -function defaultContainer() { - return this.parentNode; -} - -function defaultSubject(d) { - return d == null ? {x: exports.event.x, y: exports.event.y} : d; -} - -function defaultTouchable() { - return "ontouchstart" in this; -} - -function drag() { - var filter = defaultFilter$1, - container = defaultContainer, - subject = defaultSubject, - touchable = defaultTouchable, - gestures = {}, - listeners = dispatch("start", "drag", "end"), - active = 0, - mousedownx, - mousedowny, - mousemoving, - touchending, - clickDistance2 = 0; - - function drag(selection) { - selection - .on("mousedown.drag", mousedowned) - .filter(touchable) - .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) - .on("touchend.drag touchcancel.drag", touchended) - .style("touch-action", "none") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); - if (!gesture) return; - select(exports.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - dragDisable(exports.event.view); - nopropagation(); - mousemoving = false; - mousedownx = exports.event.clientX; - mousedowny = exports.event.clientY; - gesture("start"); - } - - function mousemoved() { - noevent(); - if (!mousemoving) { - var dx = exports.event.clientX - mousedownx, dy = exports.event.clientY - mousedowny; - mousemoving = dx * dx + dy * dy > clickDistance2; - } - gestures.mouse("drag"); - } - - function mouseupped() { - select(exports.event.view).on("mousemove.drag mouseup.drag", null); - yesdrag(exports.event.view, mousemoving); - noevent(); - gestures.mouse("end"); - } - - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches = exports.event.changedTouches, - c = container.apply(this, arguments), - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); - } - } - } - - function touchmoved() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - noevent(); - gesture("drag"); - } - } - } - - function touchended() { - var touches = exports.event.changedTouches, - n = touches.length, i, gesture; - - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - nopropagation(); - gesture("end"); - } - } - } - - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); - - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((exports.event.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; - - return function gesture(type) { - var p0 = p, n; - switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; - } - 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]); - }; - } - - drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$2(!!_), drag) : filter; - }; - - drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag) : container; - }; - - drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject; - }; - - drag.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$2(!!_), drag) : touchable; - }; - - drag.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? drag : value; - }; - - drag.clickDistance = function(_) { - return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); - }; - - return drag; -} - -function define(constructor, factory, prototype) { - constructor.prototype = factory.prototype = prototype; - prototype.constructor = constructor; -} - -function extend(parent, definition) { - var prototype = Object.create(parent.prototype); - for (var key in definition) prototype[key] = definition[key]; - return prototype; -} - -function Color() {} - -var darker = 0.7; -var brighter = 1 / darker; - -var reI = "\\s*([+-]?\\d+)\\s*"; -var reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*"; -var reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*"; -var reHex3 = /^#([0-9a-f]{3})$/; -var reHex6 = /^#([0-9a-f]{6})$/; -var reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"); -var reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"); -var reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"); -var reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"); -var reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"); -var reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$"); - -var named = { - aliceblue: 0xf0f8ff, - antiquewhite: 0xfaebd7, - aqua: 0x00ffff, - aquamarine: 0x7fffd4, - azure: 0xf0ffff, - beige: 0xf5f5dc, - bisque: 0xffe4c4, - black: 0x000000, - blanchedalmond: 0xffebcd, - blue: 0x0000ff, - blueviolet: 0x8a2be2, - brown: 0xa52a2a, - burlywood: 0xdeb887, - cadetblue: 0x5f9ea0, - chartreuse: 0x7fff00, - chocolate: 0xd2691e, - coral: 0xff7f50, - cornflowerblue: 0x6495ed, - cornsilk: 0xfff8dc, - crimson: 0xdc143c, - cyan: 0x00ffff, - darkblue: 0x00008b, - darkcyan: 0x008b8b, - darkgoldenrod: 0xb8860b, - darkgray: 0xa9a9a9, - darkgreen: 0x006400, - darkgrey: 0xa9a9a9, - darkkhaki: 0xbdb76b, - darkmagenta: 0x8b008b, - darkolivegreen: 0x556b2f, - darkorange: 0xff8c00, - darkorchid: 0x9932cc, - darkred: 0x8b0000, - darksalmon: 0xe9967a, - darkseagreen: 0x8fbc8f, - darkslateblue: 0x483d8b, - darkslategray: 0x2f4f4f, - darkslategrey: 0x2f4f4f, - darkturquoise: 0x00ced1, - darkviolet: 0x9400d3, - deeppink: 0xff1493, - deepskyblue: 0x00bfff, - dimgray: 0x696969, - dimgrey: 0x696969, - dodgerblue: 0x1e90ff, - firebrick: 0xb22222, - floralwhite: 0xfffaf0, - forestgreen: 0x228b22, - fuchsia: 0xff00ff, - gainsboro: 0xdcdcdc, - ghostwhite: 0xf8f8ff, - gold: 0xffd700, - goldenrod: 0xdaa520, - gray: 0x808080, - green: 0x008000, - greenyellow: 0xadff2f, - grey: 0x808080, - honeydew: 0xf0fff0, - hotpink: 0xff69b4, - indianred: 0xcd5c5c, - indigo: 0x4b0082, - ivory: 0xfffff0, - khaki: 0xf0e68c, - lavender: 0xe6e6fa, - lavenderblush: 0xfff0f5, - lawngreen: 0x7cfc00, - lemonchiffon: 0xfffacd, - lightblue: 0xadd8e6, - lightcoral: 0xf08080, - lightcyan: 0xe0ffff, - lightgoldenrodyellow: 0xfafad2, - lightgray: 0xd3d3d3, - lightgreen: 0x90ee90, - lightgrey: 0xd3d3d3, - lightpink: 0xffb6c1, - lightsalmon: 0xffa07a, - lightseagreen: 0x20b2aa, - lightskyblue: 0x87cefa, - lightslategray: 0x778899, - lightslategrey: 0x778899, - lightsteelblue: 0xb0c4de, - lightyellow: 0xffffe0, - lime: 0x00ff00, - limegreen: 0x32cd32, - linen: 0xfaf0e6, - magenta: 0xff00ff, - maroon: 0x800000, - mediumaquamarine: 0x66cdaa, - mediumblue: 0x0000cd, - mediumorchid: 0xba55d3, - mediumpurple: 0x9370db, - mediumseagreen: 0x3cb371, - mediumslateblue: 0x7b68ee, - mediumspringgreen: 0x00fa9a, - mediumturquoise: 0x48d1cc, - mediumvioletred: 0xc71585, - midnightblue: 0x191970, - mintcream: 0xf5fffa, - mistyrose: 0xffe4e1, - moccasin: 0xffe4b5, - navajowhite: 0xffdead, - navy: 0x000080, - oldlace: 0xfdf5e6, - olive: 0x808000, - olivedrab: 0x6b8e23, - orange: 0xffa500, - orangered: 0xff4500, - orchid: 0xda70d6, - palegoldenrod: 0xeee8aa, - palegreen: 0x98fb98, - paleturquoise: 0xafeeee, - palevioletred: 0xdb7093, - papayawhip: 0xffefd5, - peachpuff: 0xffdab9, - peru: 0xcd853f, - pink: 0xffc0cb, - plum: 0xdda0dd, - powderblue: 0xb0e0e6, - purple: 0x800080, - rebeccapurple: 0x663399, - red: 0xff0000, - rosybrown: 0xbc8f8f, - royalblue: 0x4169e1, - saddlebrown: 0x8b4513, - salmon: 0xfa8072, - sandybrown: 0xf4a460, - seagreen: 0x2e8b57, - seashell: 0xfff5ee, - sienna: 0xa0522d, - silver: 0xc0c0c0, - skyblue: 0x87ceeb, - slateblue: 0x6a5acd, - slategray: 0x708090, - slategrey: 0x708090, - snow: 0xfffafa, - springgreen: 0x00ff7f, - steelblue: 0x4682b4, - tan: 0xd2b48c, - teal: 0x008080, - thistle: 0xd8bfd8, - tomato: 0xff6347, - turquoise: 0x40e0d0, - violet: 0xee82ee, - wheat: 0xf5deb3, - white: 0xffffff, - whitesmoke: 0xf5f5f5, - yellow: 0xffff00, - yellowgreen: 0x9acd32 -}; - -define(Color, color, { - displayable: function() { - return this.rgb().displayable(); - }, - toString: function() { - return this.rgb() + ""; - } -}); - -function color(format) { - var m; - format = (format + "").trim().toLowerCase(); - return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00 - : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000 - : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0) - : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%) - : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1) - : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1) - : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%) - : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1) - : named.hasOwnProperty(format) ? rgbn(named[format]) - : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) - : null; -} - -function rgbn(n) { - return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); -} - -function rgba(r, g, b, a) { - if (a <= 0) r = g = b = NaN; - return new Rgb(r, g, b, a); -} - -function rgbConvert(o) { - if (!(o instanceof Color)) o = color(o); - if (!o) return new Rgb; - o = o.rgb(); - return new Rgb(o.r, o.g, o.b, o.opacity); -} - -function rgb(r, g, b, opacity) { - return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); -} - -function Rgb(r, g, b, opacity) { - this.r = +r; - this.g = +g; - this.b = +b; - this.opacity = +opacity; -} - -define(Rgb, rgb, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity); - }, - rgb: function() { - return this; - }, - displayable: function() { - return (0 <= this.r && this.r <= 255) - && (0 <= this.g && this.g <= 255) - && (0 <= this.b && this.b <= 255) - && (0 <= this.opacity && this.opacity <= 1); - }, - toString: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "rgb(" : "rgba(") - + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", " - + Math.max(0, Math.min(255, Math.round(this.b) || 0)) - + (a === 1 ? ")" : ", " + a + ")"); - } -})); - -function hsla(h, s, l, a) { - if (a <= 0) h = s = l = NaN; - else if (l <= 0 || l >= 1) h = s = NaN; - else if (s <= 0) h = NaN; - return new Hsl(h, s, l, a); -} - -function hslConvert(o) { - if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Color)) o = color(o); - if (!o) return new Hsl; - if (o instanceof Hsl) return o; - o = o.rgb(); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - min = Math.min(r, g, b), - max = Math.max(r, g, b), - h = NaN, - s = max - min, - l = (max + min) / 2; - if (s) { - if (r === max) h = (g - b) / s + (g < b) * 6; - else if (g === max) h = (b - r) / s + 2; - else h = (r - g) / s + 4; - s /= l < 0.5 ? max + min : 2 - max - min; - h *= 60; - } else { - s = l > 0 && l < 1 ? 0 : h; - } - return new Hsl(h, s, l, o.opacity); -} - -function hsl(h, s, l, opacity) { - return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); -} - -function Hsl(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; -} - -define(Hsl, hsl, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Hsl(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = this.h % 360 + (this.h < 0) * 360, - s = isNaN(h) || isNaN(this.s) ? 0 : this.s, - l = this.l, - m2 = l + (l < 0.5 ? l : 1 - l) * s, - m1 = 2 * l - m2; - return new Rgb( - hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2), - hsl2rgb(h, m1, m2), - hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2), - this.opacity - ); - }, - displayable: function() { - return (0 <= this.s && this.s <= 1 || isNaN(this.s)) - && (0 <= this.l && this.l <= 1) - && (0 <= this.opacity && this.opacity <= 1); - } -})); - -/* From FvD 13.37, CSS Color Module Level 3 */ -function hsl2rgb(h, m1, m2) { - return (h < 60 ? m1 + (m2 - m1) * h / 60 - : h < 180 ? m2 - : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 - : m1) * 255; -} - -var deg2rad = Math.PI / 180; -var rad2deg = 180 / Math.PI; - -var Kn = 18; -var Xn = 0.950470; -var Yn = 1; -var Zn = 1.088830; -var t0 = 4 / 29; -var t1 = 6 / 29; -var t2 = 3 * t1 * t1; -var t3 = t1 * t1 * t1; - -function labConvert(o) { - if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity); - if (o instanceof Hcl) { - var h = o.h * deg2rad; - return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity); - } - if (!(o instanceof Rgb)) o = rgbConvert(o); - var b = rgb2xyz(o.r), - a = rgb2xyz(o.g), - l = rgb2xyz(o.b), - x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn), - y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn), - z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn); - return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity); -} - -function lab(l, a, b, opacity) { - return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity); -} - -function Lab(l, a, b, opacity) { - this.l = +l; - this.a = +a; - this.b = +b; - this.opacity = +opacity; -} - -define(Lab, lab, extend(Color, { - brighter: function(k) { - return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - darker: function(k) { - return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity); - }, - rgb: function() { - var y = (this.l + 16) / 116, - x = isNaN(this.a) ? y : y + this.a / 500, - z = isNaN(this.b) ? y : y - this.b / 200; - y = Yn * lab2xyz(y); - x = Xn * lab2xyz(x); - z = Zn * lab2xyz(z); - return new Rgb( - xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB - xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z), - xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z), - this.opacity - ); - } -})); - -function xyz2lab(t) { - return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0; -} - -function lab2xyz(t) { - return t > t1 ? t * t * t : t2 * (t - t0); -} - -function xyz2rgb(x) { - return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055); -} - -function rgb2xyz(x) { - return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4); -} - -function hclConvert(o) { - if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity); - if (!(o instanceof Lab)) o = labConvert(o); - var h = Math.atan2(o.b, o.a) * rad2deg; - return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity); -} - -function hcl(h, c, l, opacity) { - return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity); -} - -function Hcl(h, c, l, opacity) { - this.h = +h; - this.c = +c; - this.l = +l; - this.opacity = +opacity; -} - -define(Hcl, hcl, extend(Color, { - brighter: function(k) { - return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity); - }, - darker: function(k) { - return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity); - }, - rgb: function() { - return labConvert(this).rgb(); - } -})); - -var A = -0.14861; -var B = +1.78277; -var C = -0.29227; -var D = -0.90649; -var E = +1.97294; -var ED = E * D; -var EB = E * B; -var BC_DA = B * C - D * A; - -function cubehelixConvert(o) { - if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity); - if (!(o instanceof Rgb)) o = rgbConvert(o); - var r = o.r / 255, - g = o.g / 255, - b = o.b / 255, - l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB), - bl = b - l, - k = (E * (g - l) - C * bl) / D, - s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1 - h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN; - return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity); -} - -function cubehelix(h, s, l, opacity) { - return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity); -} - -function Cubehelix(h, s, l, opacity) { - this.h = +h; - this.s = +s; - this.l = +l; - this.opacity = +opacity; -} - -define(Cubehelix, cubehelix, extend(Color, { - brighter: function(k) { - k = k == null ? brighter : Math.pow(brighter, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - darker: function(k) { - k = k == null ? darker : Math.pow(darker, k); - return new Cubehelix(this.h, this.s, this.l * k, this.opacity); - }, - rgb: function() { - var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad, - l = +this.l, - a = isNaN(this.s) ? 0 : this.s * l * (1 - l), - cosh = Math.cos(h), - sinh = Math.sin(h); - return new Rgb( - 255 * (l + a * (A * cosh + B * sinh)), - 255 * (l + a * (C * cosh + D * sinh)), - 255 * (l + a * (E * cosh)), - this.opacity - ); - } -})); - -function basis(t1, v0, v1, v2, v3) { - var t2 = t1 * t1, t3 = t2 * t1; - return ((1 - 3 * t1 + 3 * t2 - t3) * v0 - + (4 - 6 * t2 + 3 * t3) * v1 - + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 - + t3 * v3) / 6; -} - -function basis$1(values) { - var n = values.length - 1; - return function(t) { - var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n), - v1 = values[i], - v2 = values[i + 1], - v0 = i > 0 ? values[i - 1] : 2 * v1 - v2, - v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1; - return basis((t - i / n) * n, v0, v1, v2, v3); - }; -} - -function basisClosed(values) { - var n = values.length; - return function(t) { - var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n), - v0 = values[(i + n - 1) % n], - v1 = values[i % n], - v2 = values[(i + 1) % n], - v3 = values[(i + 2) % n]; - return basis((t - i / n) * n, v0, v1, v2, v3); - }; -} - -function constant$3(x) { - return function() { - return x; - }; -} - -function linear(a, d) { - return function(t) { - return a + t * d; - }; -} - -function exponential(a, b, y) { - return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) { - return Math.pow(a + t * b, y); - }; -} - -function hue(a, b) { - var d = b - a; - return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a); -} - -function gamma(y) { - return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential(a, b, y) : constant$3(isNaN(a) ? b : a); - }; -} - -function nogamma(a, b) { - var d = b - a; - return d ? linear(a, d) : constant$3(isNaN(a) ? b : a); -} - -var interpolateRgb = (function rgbGamma(y) { - var color$$1 = gamma(y); - - function rgb$$1(start, end) { - var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r), - g = color$$1(start.g, end.g), - b = color$$1(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.r = r(t); - start.g = g(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; - } - - rgb$$1.gamma = rgbGamma; - - return rgb$$1; -})(1); - -function rgbSpline(spline) { - return function(colors) { - var n = colors.length, - r = new Array(n), - g = new Array(n), - b = new Array(n), - i, color$$1; - for (i = 0; i < n; ++i) { - color$$1 = rgb(colors[i]); - r[i] = color$$1.r || 0; - g[i] = color$$1.g || 0; - b[i] = color$$1.b || 0; - } - r = spline(r); - g = spline(g); - b = spline(b); - color$$1.opacity = 1; - return function(t) { - color$$1.r = r(t); - color$$1.g = g(t); - color$$1.b = b(t); - return color$$1 + ""; - }; - }; -} - -var rgbBasis = rgbSpline(basis$1); -var rgbBasisClosed = rgbSpline(basisClosed); - -function array$1(a, b) { - var nb = b ? b.length : 0, - na = a ? Math.min(nb, a.length) : 0, - x = new Array(na), - c = new Array(nb), - i; - - for (i = 0; i < na; ++i) x[i] = interpolateValue(a[i], b[i]); - for (; i < nb; ++i) c[i] = b[i]; - - return function(t) { - for (i = 0; i < na; ++i) c[i] = x[i](t); - return c; - }; -} - -function date(a, b) { - var d = new Date; - return a = +a, b -= a, function(t) { - return d.setTime(a + b * t), d; - }; -} - -function reinterpolate(a, b) { - return a = +a, b -= a, function(t) { - return a + b * t; - }; -} - -function object(a, b) { - var i = {}, - c = {}, - k; - - if (a === null || typeof a !== "object") a = {}; - if (b === null || typeof b !== "object") b = {}; - - for (k in b) { - if (k in a) { - i[k] = interpolateValue(a[k], b[k]); - } else { - c[k] = b[k]; - } - } - - return function(t) { - for (k in i) c[k] = i[k](t); - return c; - }; -} - -var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g; -var reB = new RegExp(reA.source, "g"); - -function zero(b) { - return function() { - return b; - }; -} - -function one(b) { - return function(t) { - return b(t) + ""; - }; -} - -function interpolateString(a, b) { - var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b - am, // current match in a - bm, // current match in b - bs, // string preceding current number in b, if any - i = -1, // index in s - s = [], // string constants and placeholders - q = []; // number interpolators - - // Coerce inputs to strings. - a = a + "", b = b + ""; - - // Interpolate pairs of numbers in a & b. - while ((am = reA.exec(a)) - && (bm = reB.exec(b))) { - if ((bs = bm.index) > bi) { // a string precedes the next number in b - bs = b.slice(bi, bs); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match - if (s[i]) s[i] += bm; // coalesce with previous string - else s[++i] = bm; - } else { // interpolate non-matching numbers - s[++i] = null; - q.push({i: i, x: reinterpolate(am, bm)}); - } - bi = reB.lastIndex; - } - - // Add remains of b. - if (bi < b.length) { - bs = b.slice(bi); - if (s[i]) s[i] += bs; // coalesce with previous string - else s[++i] = bs; - } - - // Special optimization for only a single match. - // Otherwise, interpolate each of the numbers and rejoin the string. - return s.length < 2 ? (q[0] - ? one(q[0].x) - : zero(b)) - : (b = q.length, function(t) { - for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }); -} - -function interpolateValue(a, b) { - var t = typeof b, c; - return b == null || t === "boolean" ? constant$3(b) - : (t === "number" ? reinterpolate - : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) - : b instanceof color ? interpolateRgb - : b instanceof Date ? date - : Array.isArray(b) ? array$1 - : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object - : reinterpolate)(a, b); -} - -function interpolateRound(a, b) { - return a = +a, b -= a, function(t) { - return Math.round(a + b * t); - }; -} - -var degrees = 180 / Math.PI; - -var identity$2 = { - translateX: 0, - translateY: 0, - rotate: 0, - skewX: 0, - scaleX: 1, - scaleY: 1 -}; - -function decompose(a, b, c, d, e, f) { - var scaleX, scaleY, skewX; - if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX; - if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX; - if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY; - if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX; - return { - translateX: e, - translateY: f, - rotate: Math.atan2(b, a) * degrees, - skewX: Math.atan(skewX) * degrees, - scaleX: scaleX, - scaleY: scaleY - }; -} - -var cssNode; -var cssRoot; -var cssView; -var svgNode; - -function parseCss(value) { - if (value === "none") return identity$2; - if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView; - cssNode.style.transform = value; - value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform"); - cssRoot.removeChild(cssNode); - value = value.slice(7, -1).split(","); - return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]); -} - -function parseSvg(value) { - if (value == null) return identity$2; - if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); - svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2; - value = value.matrix; - return decompose(value.a, value.b, value.c, value.d, value.e, value.f); -} - -function interpolateTransform(parse, pxComma, pxParen, degParen) { - - function pop(s) { - return s.length ? s.pop() + " " : ""; - } - - function translate(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push("translate(", null, pxComma, null, pxParen); - q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); - } else if (xb || yb) { - s.push("translate(" + xb + pxComma + yb + pxParen); - } - } - - function rotate(a, b, s, q) { - if (a !== b) { - if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path - q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: reinterpolate(a, b)}); - } else if (b) { - s.push(pop(s) + "rotate(" + b + degParen); - } - } - - function skewX(a, b, s, q) { - if (a !== b) { - q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: reinterpolate(a, b)}); - } else if (b) { - s.push(pop(s) + "skewX(" + b + degParen); - } - } - - function scale(xa, ya, xb, yb, s, q) { - if (xa !== xb || ya !== yb) { - var i = s.push(pop(s) + "scale(", null, ",", null, ")"); - q.push({i: i - 4, x: reinterpolate(xa, xb)}, {i: i - 2, x: reinterpolate(ya, yb)}); - } else if (xb !== 1 || yb !== 1) { - s.push(pop(s) + "scale(" + xb + "," + yb + ")"); - } - } - - return function(a, b) { - var s = [], // string constants and placeholders - q = []; // number interpolators - a = parse(a), b = parse(b); - translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q); - rotate(a.rotate, b.rotate, s, q); - skewX(a.skewX, b.skewX, s, q); - scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q); - a = b = null; // gc - return function(t) { - var i = -1, n = q.length, o; - while (++i < n) s[(o = q[i]).i] = o.x(t); - return s.join(""); - }; - }; -} - -var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)"); -var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")"); - -var rho = Math.SQRT2; -var rho2 = 2; -var rho4 = 4; -var epsilon2 = 1e-12; - -function cosh(x) { - return ((x = Math.exp(x)) + 1 / x) / 2; -} - -function sinh(x) { - return ((x = Math.exp(x)) - 1 / x) / 2; -} - -function tanh(x) { - return ((x = Math.exp(2 * x)) - 1) / (x + 1); -} - -// p0 = [ux0, uy0, w0] -// p1 = [ux1, uy1, w1] -function interpolateZoom(p0, p1) { - var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], - ux1 = p1[0], uy1 = p1[1], w1 = p1[2], - dx = ux1 - ux0, - dy = uy1 - uy0, - d2 = dx * dx + dy * dy, - i, - S; - - // Special case for u0 ≅ u1. - if (d2 < epsilon2) { - S = Math.log(w1 / w0) / rho; - i = function(t) { - return [ - ux0 + t * dx, - uy0 + t * dy, - w0 * Math.exp(rho * t * S) - ]; - }; - } - - // General case. - else { - var d1 = Math.sqrt(d2), - b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), - b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), - r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), - r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1); - S = (r1 - r0) / rho; - i = function(t) { - var s = t * S, - coshr0 = cosh(r0), - u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0)); - return [ - ux0 + u * dx, - uy0 + u * dy, - w0 * coshr0 / cosh(rho * s + r0) - ]; - }; - } - - i.duration = S * 1000; - - return i; -} - -function hsl$1(hue$$1) { - return function(start, end) { - var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } -} - -var hsl$2 = hsl$1(hue); -var hslLong = hsl$1(nogamma); - -function lab$1(start, end) { - var l = nogamma((start = lab(start)).l, (end = lab(end)).l), - a = nogamma(start.a, end.a), - b = nogamma(start.b, end.b), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.l = l(t); - start.a = a(t); - start.b = b(t); - start.opacity = opacity(t); - return start + ""; - }; -} - -function hcl$1(hue$$1) { - return function(start, end) { - var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h), - c = nogamma(start.c, end.c), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.c = c(t); - start.l = l(t); - start.opacity = opacity(t); - return start + ""; - }; - } -} - -var hcl$2 = hcl$1(hue); -var hclLong = hcl$1(nogamma); - -function cubehelix$1(hue$$1) { - return (function cubehelixGamma(y) { - y = +y; - - function cubehelix$$1(start, end) { - var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h), - s = nogamma(start.s, end.s), - l = nogamma(start.l, end.l), - opacity = nogamma(start.opacity, end.opacity); - return function(t) { - start.h = h(t); - start.s = s(t); - start.l = l(Math.pow(t, y)); - start.opacity = opacity(t); - return start + ""; - }; - } - - cubehelix$$1.gamma = cubehelixGamma; - - return cubehelix$$1; - })(1); -} - -var cubehelix$2 = cubehelix$1(hue); -var cubehelixLong = cubehelix$1(nogamma); - -function quantize(interpolator, n) { - var samples = new Array(n); - for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1)); - return samples; -} - -var frame = 0; -var timeout = 0; -var interval = 0; -var pokeDelay = 1000; -var taskHead; -var taskTail; -var clockLast = 0; -var clockNow = 0; -var clockSkew = 0; -var clock = typeof performance === "object" && performance.now ? performance : Date; -var setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); }; - -function now() { - return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew); -} - -function clearNow() { - clockNow = 0; -} - -function Timer() { - this._call = - this._time = - this._next = null; -} - -Timer.prototype = timer.prototype = { - constructor: Timer, - restart: function(callback, delay, time) { - if (typeof callback !== "function") throw new TypeError("callback is not a function"); - time = (time == null ? now() : +time) + (delay == null ? 0 : +delay); - if (!this._next && taskTail !== this) { - if (taskTail) taskTail._next = this; - else taskHead = this; - taskTail = this; - } - this._call = callback; - this._time = time; - sleep(); - }, - stop: function() { - if (this._call) { - this._call = null; - this._time = Infinity; - sleep(); - } - } -}; - -function timer(callback, delay, time) { - var t = new Timer; - t.restart(callback, delay, time); - return t; -} - -function timerFlush() { - now(); // Get the current time, if not already set. - ++frame; // Pretend we’ve set an alarm, if we haven’t already. - var t = taskHead, e; - while (t) { - if ((e = clockNow - t._time) >= 0) t._call.call(null, e); - t = t._next; - } - --frame; -} - -function wake() { - clockNow = (clockLast = clock.now()) + clockSkew; - frame = timeout = 0; - try { - timerFlush(); - } finally { - frame = 0; - nap(); - clockNow = 0; - } -} - -function poke() { - var now = clock.now(), delay = now - clockLast; - if (delay > pokeDelay) clockSkew -= delay, clockLast = now; -} - -function nap() { - var t0, t1 = taskHead, t2, time = Infinity; - while (t1) { - if (t1._call) { - if (time > t1._time) time = t1._time; - t0 = t1, t1 = t1._next; - } else { - t2 = t1._next, t1._next = null; - t1 = t0 ? t0._next = t2 : taskHead = t2; - } - } - taskTail = t0; - sleep(time); -} - -function sleep(time) { - if (frame) return; // Soonest alarm already set, or will be. - if (timeout) timeout = clearTimeout(timeout); - var delay = time - clockNow; // Strictly less than if we recomputed clockNow. - if (delay > 24) { - if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew); - if (interval) interval = clearInterval(interval); - } else { - if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay); - frame = 1, setFrame(wake); - } -} - -function timeout$1(callback, delay, time) { - var t = new Timer; - delay = delay == null ? 0 : +delay; - t.restart(function(elapsed) { - t.stop(); - callback(elapsed + delay); - }, delay, time); - return t; -} - -function interval$1(callback, delay, time) { - var t = new Timer, total = delay; - if (delay == null) return t.restart(callback, delay, time), t; - delay = +delay, time = time == null ? now() : +time; - t.restart(function tick(elapsed) { - elapsed += total; - t.restart(tick, total += delay, time); - callback(elapsed); - }, delay, time); - return t; -} - -var emptyOn = dispatch("start", "end", "interrupt"); -var emptyTween = []; - -var CREATED = 0; -var SCHEDULED = 1; -var STARTING = 2; -var STARTED = 3; -var RUNNING = 4; -var ENDING = 5; -var ENDED = 6; - -function schedule(node, name, id, index, group, timing) { - var schedules = node.__transition; - if (!schedules) node.__transition = {}; - else if (id in schedules) return; - create(node, id, { - name: name, - index: index, // For context during callback. - group: group, // For context during callback. - on: emptyOn, - tween: emptyTween, - time: timing.time, - delay: timing.delay, - duration: timing.duration, - ease: timing.ease, - timer: null, - state: CREATED - }); -} - -function init(node, id) { - var schedule = get$1(node, id); - if (schedule.state > CREATED) throw new Error("too late; already scheduled"); - return schedule; -} - -function set$1(node, id) { - var schedule = get$1(node, id); - if (schedule.state > STARTING) throw new Error("too late; already started"); - return schedule; -} - -function get$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); - return schedule; -} - -function create(node, id, self) { - var schedules = node.__transition, - tween; - - // Initialize the self timer when the transition is created. - // Note the actual delay is not known until the first callback! - schedules[id] = self; - self.timer = timer(schedule, 0, self.time); - - function schedule(elapsed) { - self.state = SCHEDULED; - self.timer.restart(start, self.delay, self.time); - - // If the elapsed delay is less than our first sleep, start immediately. - if (self.delay <= elapsed) start(elapsed - self.delay); - } - - function start(elapsed) { - var i, j, n, o; - - // If the state is not SCHEDULED, then we previously errored on start. - if (self.state !== SCHEDULED) return stop(); - - for (i in schedules) { - o = schedules[i]; - if (o.name !== self.name) continue; - - // While this element already has a starting transition during this frame, - // defer starting an interrupting transition until that transition has a - // chance to tick (and possibly end); see d3/d3-transition#54! - if (o.state === STARTED) return timeout$1(start); - - // Interrupt the active transition, if any. - // Dispatch the interrupt event. - if (o.state === RUNNING) { - o.state = ENDED; - o.timer.stop(); - o.on.call("interrupt", node, node.__data__, o.index, o.group); - delete schedules[i]; - } - - // Cancel any pre-empted transitions. No interrupt event is dispatched - // because the cancelled transitions never started. Note that this also - // removes this transition from the pending list! - else if (+i < id) { - o.state = ENDED; - o.timer.stop(); - delete schedules[i]; - } - } - - // Defer the first tick to end of the current frame; see d3/d3#1576. - // Note the transition may be canceled after start and before the first tick! - // Note this must be scheduled before the start event; see d3/d3-transition#16! - // Assuming this is successful, subsequent callbacks go straight to tick. - timeout$1(function() { - if (self.state === STARTED) { - self.state = RUNNING; - self.timer.restart(tick, self.delay, self.time); - tick(elapsed); - } - }); - - // Dispatch the start event. - // Note this must be done before the tween are initialized. - self.state = STARTING; - self.on.call("start", node, node.__data__, self.index, self.group); - if (self.state !== STARTING) return; // interrupted - self.state = STARTED; - - // Initialize the tween, deleting null tween. - tween = new Array(n = self.tween.length); - for (i = 0, j = -1; i < n; ++i) { - if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) { - tween[++j] = o; - } - } - tween.length = j + 1; - } - - function tick(elapsed) { - var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1), - i = -1, - n = tween.length; - - while (++i < n) { - tween[i].call(null, t); - } - - // Dispatch the end event. - if (self.state === ENDING) { - self.on.call("end", node, node.__data__, self.index, self.group); - stop(); - } - } - - function stop() { - self.state = ENDED; - self.timer.stop(); - delete schedules[id]; - for (var i in schedules) return; // eslint-disable-line no-unused-vars - delete node.__transition; - } -} - -function interrupt(node, name) { - var schedules = node.__transition, - schedule$$1, - active, - empty = true, - i; - - if (!schedules) return; - - name = name == null ? null : name + ""; - - for (i in schedules) { - if ((schedule$$1 = schedules[i]).name !== name) { empty = false; continue; } - active = schedule$$1.state > STARTING && schedule$$1.state < ENDING; - schedule$$1.state = ENDED; - schedule$$1.timer.stop(); - if (active) schedule$$1.on.call("interrupt", node, node.__data__, schedule$$1.index, schedule$$1.group); - delete schedules[i]; - } - - if (empty) delete node.__transition; -} - -function selection_interrupt(name) { - return this.each(function() { - interrupt(this, name); - }); -} - -function tweenRemove(id, name) { - var tween0, tween1; - return function() { - var schedule$$1 = set$1(this, id), - tween = schedule$$1.tween; - - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = tween0 = tween; - for (var i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1 = tween1.slice(); - tween1.splice(i, 1); - break; - } - } - } - - schedule$$1.tween = tween1; - }; -} - -function tweenFunction(id, name, value) { - var tween0, tween1; - if (typeof value !== "function") throw new Error; - return function() { - var schedule$$1 = set$1(this, id), - tween = schedule$$1.tween; - - // If this node shared tween with the previous node, - // just assign the updated shared tween and we’re done! - // Otherwise, copy-on-write. - if (tween !== tween0) { - tween1 = (tween0 = tween).slice(); - for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) { - if (tween1[i].name === name) { - tween1[i] = t; - break; - } - } - if (i === n) tween1.push(t); - } - - schedule$$1.tween = tween1; - }; -} - -function transition_tween(name, value) { - var id = this._id; - - name += ""; - - if (arguments.length < 2) { - var tween = get$1(this.node(), id).tween; - for (var i = 0, n = tween.length, t; i < n; ++i) { - if ((t = tween[i]).name === name) { - return t.value; - } - } - return null; - } - - return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -} - -function tweenValue(transition, name, value) { - var id = transition._id; - - transition.each(function() { - var schedule$$1 = set$1(this, id); - (schedule$$1.value || (schedule$$1.value = {}))[name] = value.apply(this, arguments); - }); - - return function(node) { - return get$1(node, id).value[name]; - }; -} - -function interpolate(a, b) { - var c; - return (typeof b === "number" ? reinterpolate - : b instanceof color ? interpolateRgb - : (c = color(b)) ? (b = c, interpolateRgb) - : interpolateString)(a, b); -} - -function attrRemove$1(name) { - return function() { - this.removeAttribute(name); - }; -} - -function attrRemoveNS$1(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; -} - -function attrConstant$1(name, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); - }; -} - -function attrConstantNS$1(fullname, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); - }; -} - -function attrFunction$1(name, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttribute(name); - value0 = this.getAttribute(name); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} - -function attrFunctionNS$1(fullname, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var value0, value1 = value(this); - if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - value0 = this.getAttributeNS(fullname.space, fullname.local); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} - -function transition_attr(name, value) { - var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate; - return this.attrTween(name, typeof value === "function" - ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value)) - : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname) - : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value + "")); -} - -function attrTweenNS(fullname, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttributeNS(fullname.space, fullname.local, i(t)); - }; - } - tween._value = value; - return tween; -} - -function attrTween(name, value) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.setAttribute(name, i(t)); - }; - } - tween._value = value; - return tween; -} - -function transition_attrTween(name, value) { - var key = "attr." + name; - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - var fullname = namespace(name); - return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value)); -} - -function delayFunction(id, value) { - return function() { - init(this, id).delay = +value.apply(this, arguments); - }; -} - -function delayConstant(id, value) { - return value = +value, function() { - init(this, id).delay = value; - }; -} - -function transition_delay(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? delayFunction - : delayConstant)(id, value)) - : get$1(this.node(), id).delay; -} - -function durationFunction(id, value) { - return function() { - set$1(this, id).duration = +value.apply(this, arguments); - }; -} - -function durationConstant(id, value) { - return value = +value, function() { - set$1(this, id).duration = value; - }; -} - -function transition_duration(value) { - var id = this._id; - - return arguments.length - ? this.each((typeof value === "function" - ? durationFunction - : durationConstant)(id, value)) - : get$1(this.node(), id).duration; -} - -function easeConstant(id, value) { - if (typeof value !== "function") throw new Error; - return function() { - set$1(this, id).ease = value; - }; -} - -function transition_ease(value) { - var id = this._id; - - return arguments.length - ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; -} - -function transition_filter(match) { - if (typeof match !== "function") match = matcher$1(match); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) { - if ((node = group[i]) && match.call(node, node.__data__, i, group)) { - subgroup.push(node); - } - } - } - - return new Transition(subgroups, this._parents, this._name, this._id); -} - -function transition_merge(transition$$1) { - if (transition$$1._id !== this._id) throw new Error; - - for (var groups0 = this._groups, groups1 = transition$$1._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) { - if (node = group0[i] || group1[i]) { - merge[i] = node; - } - } - } - - for (; j < m0; ++j) { - merges[j] = groups0[j]; - } - - return new Transition(merges, this._parents, this._name, this._id); -} - -function start(name) { - return (name + "").trim().split(/^|\s+/).every(function(t) { - var i = t.indexOf("."); - if (i >= 0) t = t.slice(0, i); - return !t || t === "start"; - }); -} - -function onFunction(id, name, listener) { - var on0, on1, sit = start(name) ? init : set$1; - return function() { - var schedule$$1 = sit(this, id), - on = schedule$$1.on; - - // If this node shared a dispatch with the previous node, - // just assign the updated shared dispatch and we’re done! - // Otherwise, copy-on-write. - if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener); - - schedule$$1.on = on1; - }; -} - -function transition_on(name, listener) { - var id = this._id; - - return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) - : this.each(onFunction(id, name, listener)); -} - -function removeFunction(id) { - return function() { - var parent = this.parentNode; - for (var i in this.__transition) if (+i !== id) return; - if (parent) parent.removeChild(this); - }; -} - -function transition_remove() { - return this.on("end.remove", removeFunction(this._id)); -} - -function transition_select(select) { - var name = this._name, - id = this._id; - - if (typeof select !== "function") select = selector(select); - - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); - } - } - } - - return new Transition(subgroups, this._parents, name, id); -} - -function transition_selectAll(select) { - var name = this._name, - id = this._id; - - if (typeof select !== "function") select = selectorAll(select); - - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { - if (child = children[k]) { - schedule(child, name, id, k, children, inherit); - } - } - subgroups.push(children); - parents.push(node); - } - } - } - - return new Transition(subgroups, parents, name, id); -} - -var Selection$1 = selection.prototype.constructor; - -function transition_selection() { - return new Selection$1(this._groups, this._parents); -} - -function styleRemove$1(name, interpolate$$1) { - var value00, - value10, - interpolate0; - return function() { - var value0 = styleValue(this, name), - value1 = (this.style.removeProperty(name), styleValue(this, name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} - -function styleRemoveEnd(name) { - return function() { - this.style.removeProperty(name); - }; -} - -function styleConstant$1(name, interpolate$$1, value1) { - var value00, - interpolate0; - return function() { - var value0 = styleValue(this, name); - return value0 === value1 ? null - : value0 === value00 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value1); - }; -} - -function styleFunction$1(name, interpolate$$1, value) { - var value00, - value10, - interpolate0; - return function() { - var value0 = styleValue(this, name), - value1 = value(this); - if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name)); - return value0 === value1 ? null - : value0 === value00 && value1 === value10 ? interpolate0 - : interpolate0 = interpolate$$1(value00 = value0, value10 = value1); - }; -} - -function transition_style(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; - return value == null ? this - .styleTween(name, styleRemove$1(name, i)) - .on("end.style." + name, styleRemoveEnd(name)) - : this.styleTween(name, typeof value === "function" - ? styleFunction$1(name, i, tweenValue(this, "style." + name, value)) - : styleConstant$1(name, i, value + ""), priority); -} - -function styleTween(name, value, priority) { - function tween() { - var node = this, i = value.apply(node, arguments); - return i && function(t) { - node.style.setProperty(name, i(t), priority); - }; - } - tween._value = value; - return tween; -} - -function transition_styleTween(name, value, priority) { - var key = "style." + (name += ""); - if (arguments.length < 2) return (key = this.tween(key)) && key._value; - if (value == null) return this.tween(key, null); - if (typeof value !== "function") throw new Error; - return this.tween(key, styleTween(name, value, priority == null ? "" : priority)); -} - -function textConstant$1(value) { - return function() { - this.textContent = value; - }; -} - -function textFunction$1(value) { - return function() { - var value1 = value(this); - this.textContent = value1 == null ? "" : value1; - }; -} - -function transition_text(value) { - return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); -} - -function transition_transition() { - var name = this._name, - id0 = this._id, - id1 = newId(); - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - var inherit = get$1(node, id0); - schedule(node, name, id1, i, group, { - time: inherit.time + inherit.delay + inherit.duration, - delay: 0, - duration: inherit.duration, - ease: inherit.ease - }); - } - } - } - - return new Transition(groups, this._parents, name, id1); -} - -var id = 0; - -function Transition(groups, parents, name, id) { - this._groups = groups; - this._parents = parents; - this._name = name; - this._id = id; -} - -function transition(name) { - return selection().transition(name); -} - -function newId() { - return ++id; -} - -var selection_prototype = selection.prototype; - -Transition.prototype = transition.prototype = { - constructor: Transition, - select: transition_select, - selectAll: transition_selectAll, - filter: transition_filter, - merge: transition_merge, - selection: transition_selection, - transition: transition_transition, - call: selection_prototype.call, - nodes: selection_prototype.nodes, - node: selection_prototype.node, - size: selection_prototype.size, - empty: selection_prototype.empty, - each: selection_prototype.each, - on: transition_on, - attr: transition_attr, - attrTween: transition_attrTween, - style: transition_style, - styleTween: transition_styleTween, - text: transition_text, - remove: transition_remove, - tween: transition_tween, - delay: transition_delay, - duration: transition_duration, - ease: transition_ease -}; - -function linear$1(t) { - return +t; -} - -function quadIn(t) { - return t * t; -} - -function quadOut(t) { - return t * (2 - t); -} - -function quadInOut(t) { - return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2; -} - -function cubicIn(t) { - return t * t * t; -} - -function cubicOut(t) { - return --t * t * t + 1; -} - -function cubicInOut(t) { - return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; -} - -var exponent = 3; - -var polyIn = (function custom(e) { - e = +e; - - function polyIn(t) { - return Math.pow(t, e); - } - - polyIn.exponent = custom; - - return polyIn; -})(exponent); - -var polyOut = (function custom(e) { - e = +e; - - function polyOut(t) { - return 1 - Math.pow(1 - t, e); - } - - polyOut.exponent = custom; - - return polyOut; -})(exponent); - -var polyInOut = (function custom(e) { - e = +e; - - function polyInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2; - } - - polyInOut.exponent = custom; - - return polyInOut; -})(exponent); - -var pi = Math.PI; -var halfPi = pi / 2; - -function sinIn(t) { - return 1 - Math.cos(t * halfPi); -} - -function sinOut(t) { - return Math.sin(t * halfPi); -} - -function sinInOut(t) { - return (1 - Math.cos(pi * t)) / 2; -} - -function expIn(t) { - return Math.pow(2, 10 * t - 10); -} - -function expOut(t) { - return 1 - Math.pow(2, -10 * t); -} - -function expInOut(t) { - return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2; -} - -function circleIn(t) { - return 1 - Math.sqrt(1 - t * t); -} - -function circleOut(t) { - return Math.sqrt(1 - --t * t); -} - -function circleInOut(t) { - return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2; -} - -var b1 = 4 / 11; -var b2 = 6 / 11; -var b3 = 8 / 11; -var b4 = 3 / 4; -var b5 = 9 / 11; -var b6 = 10 / 11; -var b7 = 15 / 16; -var b8 = 21 / 22; -var b9 = 63 / 64; -var b0 = 1 / b1 / b1; - -function bounceIn(t) { - return 1 - bounceOut(1 - t); -} - -function bounceOut(t) { - 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; -} - -function bounceInOut(t) { - return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2; -} - -var overshoot = 1.70158; - -var backIn = (function custom(s) { - s = +s; - - function backIn(t) { - return t * t * ((s + 1) * t - s); - } - - backIn.overshoot = custom; - - return backIn; -})(overshoot); - -var backOut = (function custom(s) { - s = +s; - - function backOut(t) { - return --t * t * ((s + 1) * t + s) + 1; - } - - backOut.overshoot = custom; - - return backOut; -})(overshoot); - -var backInOut = (function custom(s) { - s = +s; - - function backInOut(t) { - return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2; - } - - backInOut.overshoot = custom; - - return backInOut; -})(overshoot); - -var tau = 2 * Math.PI; -var amplitude = 1; -var period = 0.3; - -var elasticIn = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - - function elasticIn(t) { - return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p); - } - - elasticIn.amplitude = function(a) { return custom(a, p * tau); }; - elasticIn.period = function(p) { return custom(a, p); }; - - return elasticIn; -})(amplitude, period); - -var elasticOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - - function elasticOut(t) { - return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p); - } - - elasticOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticOut.period = function(p) { return custom(a, p); }; - - return elasticOut; -})(amplitude, period); - -var elasticInOut = (function custom(a, p) { - var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau); - - function elasticInOut(t) { - return ((t = t * 2 - 1) < 0 - ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p) - : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2; - } - - elasticInOut.amplitude = function(a) { return custom(a, p * tau); }; - elasticInOut.period = function(p) { return custom(a, p); }; - - return elasticInOut; -})(amplitude, period); - -var defaultTiming = { - time: null, // Set on use. - delay: 0, - duration: 250, - ease: cubicInOut -}; - -function inherit(node, id) { - var timing; - while (!(timing = node.__transition) || !(timing = timing[id])) { - if (!(node = node.parentNode)) { - return defaultTiming.time = now(), defaultTiming; - } - } - return timing; -} - -function selection_transition(name) { - var id, - timing; - - if (name instanceof Transition) { - id = name._id, name = name._name; - } else { - id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; - } - - for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - schedule(node, name, id, i, group, timing || inherit(node, id)); - } - } - } - - return new Transition(groups, this._parents, name, id); -} - -selection.prototype.interrupt = selection_interrupt; -selection.prototype.transition = selection_transition; - -var root$1 = [null]; - -function active(node, name) { - var schedules = node.__transition, - schedule$$1, - i; - - if (schedules) { - name = name == null ? null : name + ""; - for (i in schedules) { - if ((schedule$$1 = schedules[i]).state > SCHEDULED && schedule$$1.name === name) { - return new Transition([[node]], root$1, name, +i); - } - } - } - - return null; -} - -function constant$4(x) { - return function() { - return x; - }; -} - -function BrushEvent(target, type, selection) { - this.target = target; - this.type = type; - this.selection = selection; -} - -function nopropagation$1() { - exports.event.stopImmediatePropagation(); -} - -function noevent$1() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -} - -var MODE_DRAG = {name: "drag"}; -var MODE_SPACE = {name: "space"}; -var MODE_HANDLE = {name: "handle"}; -var MODE_CENTER = {name: "center"}; - -var X = { - name: "x", - handles: ["e", "w"].map(type), - input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; }, - output: function(xy) { return xy && [xy[0][0], xy[1][0]]; } -}; - -var Y = { - name: "y", - handles: ["n", "s"].map(type), - input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; }, - output: function(xy) { return xy && [xy[0][1], xy[1][1]]; } -}; - -var XY = { - name: "xy", - handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type), - input: function(xy) { return xy; }, - output: function(xy) { return xy; } -}; - -var cursors = { - overlay: "crosshair", - selection: "move", - n: "ns-resize", - e: "ew-resize", - s: "ns-resize", - w: "ew-resize", - nw: "nwse-resize", - ne: "nesw-resize", - se: "nwse-resize", - sw: "nesw-resize" -}; - -var flipX = { - e: "w", - w: "e", - nw: "ne", - ne: "nw", - se: "sw", - sw: "se" -}; - -var flipY = { - n: "s", - s: "n", - nw: "sw", - ne: "se", - se: "ne", - sw: "nw" -}; - -var signsX = { - overlay: +1, - selection: +1, - n: null, - e: +1, - s: null, - w: -1, - nw: -1, - ne: +1, - se: +1, - sw: -1 -}; - -var signsY = { - overlay: +1, - selection: +1, - n: -1, - e: null, - s: +1, - w: null, - nw: -1, - ne: -1, - se: +1, - sw: +1 -}; - -function type(t) { - return {type: t}; -} - -// Ignore right-click, since that should open the context menu. -function defaultFilter() { - return !exports.event.button; -} - -function defaultExtent() { - var svg = this.ownerSVGElement || this; - return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]]; -} - -// Like d3.local, but with the name “__brush” rather than auto-generated. -function local(node) { - while (!node.__brush) if (!(node = node.parentNode)) return; - return node.__brush; -} - -function empty(extent) { - return extent[0][0] === extent[1][0] - || extent[0][1] === extent[1][1]; -} - -function brushSelection(node) { - var state = node.__brush; - return state ? state.dim.output(state.selection) : null; -} - -function brushX() { - return brush$1(X); -} - -function brushY() { - return brush$1(Y); -} - -function brush() { - return brush$1(XY); -} - -function brush$1(dim) { - var extent = defaultExtent, - filter = defaultFilter, - listeners = dispatch(brush, "start", "brush", "end"), - handleSize = 6, - touchending; - - function brush(group) { - var overlay = group - .property("__brush", initialize) - .selectAll(".overlay") - .data([type("overlay")]); - - overlay.enter().append("rect") - .attr("class", "overlay") - .attr("pointer-events", "all") - .attr("cursor", cursors.overlay) - .merge(overlay) - .each(function() { - var extent = local(this).extent; - select(this) - .attr("x", extent[0][0]) - .attr("y", extent[0][1]) - .attr("width", extent[1][0] - extent[0][0]) - .attr("height", extent[1][1] - extent[0][1]); - }); - - group.selectAll(".selection") - .data([type("selection")]) - .enter().append("rect") - .attr("class", "selection") - .attr("cursor", cursors.selection) - .attr("fill", "#777") - .attr("fill-opacity", 0.3) - .attr("stroke", "#fff") - .attr("shape-rendering", "crispEdges"); - - var handle = group.selectAll(".handle") - .data(dim.handles, function(d) { return d.type; }); - - handle.exit().remove(); - - handle.enter().append("rect") - .attr("class", function(d) { return "handle handle--" + d.type; }) - .attr("cursor", function(d) { return cursors[d.type]; }); - - group - .each(redraw) - .attr("fill", "none") - .attr("pointer-events", "all") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)") - .on("mousedown.brush touchstart.brush", started); - } - - brush.move = function(group, selection) { - if (group.selection) { - group - .on("start.brush", function() { emitter(this, arguments).beforestart().start(); }) - .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); }) - .tween("brush", function() { - var that = this, - state = that.__brush, - emit = emitter(that, arguments), - selection0 = state.selection, - selection1 = dim.input(typeof selection === "function" ? selection.apply(this, arguments) : selection, state.extent), - i = interpolateValue(selection0, selection1); - - function tween(t) { - state.selection = t === 1 && empty(selection1) ? null : i(t); - redraw.call(that); - emit.brush(); - } - - return selection0 && selection1 ? tween : tween(1); - }); - } else { - group - .each(function() { - var that = this, - args = arguments, - state = that.__brush, - selection1 = dim.input(typeof selection === "function" ? selection.apply(that, args) : selection, state.extent), - emit = emitter(that, args).beforestart(); - - interrupt(that); - state.selection = selection1 == null || empty(selection1) ? null : selection1; - redraw.call(that); - emit.start().brush().end(); - }); - } - }; - - function redraw() { - var group = select(this), - selection = local(this).selection; - - if (selection) { - group.selectAll(".selection") - .style("display", null) - .attr("x", selection[0][0]) - .attr("y", selection[0][1]) - .attr("width", selection[1][0] - selection[0][0]) - .attr("height", selection[1][1] - selection[0][1]); - - group.selectAll(".handle") - .style("display", null) - .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection[1][0] - handleSize / 2 : selection[0][0] - handleSize / 2; }) - .attr("y", function(d) { return d.type[0] === "s" ? selection[1][1] - handleSize / 2 : selection[0][1] - handleSize / 2; }) - .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection[1][0] - selection[0][0] + handleSize : handleSize; }) - .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection[1][1] - selection[0][1] + handleSize : handleSize; }); - } - - else { - group.selectAll(".selection,.handle") - .style("display", "none") - .attr("x", null) - .attr("y", null) - .attr("width", null) - .attr("height", null); - } - } - - function emitter(that, args) { - return that.__brush.emitter || new Emitter(that, args); - } - - function Emitter(that, args) { - this.that = that; - this.args = args; - this.state = that.__brush; - this.active = 0; - } - - Emitter.prototype = { - beforestart: function() { - if (++this.active === 1) this.state.emitter = this, this.starting = true; - return this; - }, - start: function() { - if (this.starting) this.starting = false, this.emit("start"); - return this; - }, - brush: function() { - this.emit("brush"); - return this; - }, - end: function() { - if (--this.active === 0) delete this.state.emitter, this.emit("end"); - return this; - }, - emit: function(type) { - customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]); - } - }; - - function started() { - if (exports.event.touches) { if (exports.event.changedTouches.length < exports.event.touches.length) return noevent$1(); } - else if (touchending) return; - if (!filter.apply(this, arguments)) return; - - var that = this, - type = exports.event.target.__data__.type, - mode = (exports.event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (exports.event.altKey ? MODE_CENTER : MODE_HANDLE), - signX = dim === Y ? null : signsX[type], - signY = dim === X ? null : signsY[type], - state = local(that), - extent = state.extent, - selection = state.selection, - W = extent[0][0], w0, w1, - N = extent[0][1], n0, n1, - E = extent[1][0], e0, e1, - S = extent[1][1], s0, s1, - dx, - dy, - moving, - shifting = signX && signY && exports.event.shiftKey, - lockX, - lockY, - point0 = mouse(that), - point = point0, - emit = emitter(that, arguments).beforestart(); - - if (type === "overlay") { - state.selection = selection = [ - [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]], - [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0] - ]; - } else { - w0 = selection[0][0]; - n0 = selection[0][1]; - e0 = selection[1][0]; - s0 = selection[1][1]; - } - - w1 = w0; - n1 = n0; - e1 = e0; - s1 = s0; - - var group = select(that) - .attr("pointer-events", "none"); - - var overlay = group.selectAll(".overlay") - .attr("cursor", cursors[type]); - - if (exports.event.touches) { - group - .on("touchmove.brush", moved, true) - .on("touchend.brush touchcancel.brush", ended, true); - } else { - var view = select(exports.event.view) - .on("keydown.brush", keydowned, true) - .on("keyup.brush", keyupped, true) - .on("mousemove.brush", moved, true) - .on("mouseup.brush", ended, true); - - dragDisable(exports.event.view); - } - - nopropagation$1(); - interrupt(that); - redraw.call(that); - emit.start(); - - function moved() { - var point1 = mouse(that); - if (shifting && !lockX && !lockY) { - if (Math.abs(point1[0] - point[0]) > Math.abs(point1[1] - point[1])) lockY = true; - else lockX = true; - } - point = point1; - moving = true; - noevent$1(); - move(); - } - - function move() { - var t; - - dx = point[0] - point0[0]; - dy = point[1] - point0[1]; - - switch (mode) { - case MODE_SPACE: - case MODE_DRAG: { - if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx; - if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy; - break; - } - case MODE_HANDLE: { - if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0; - else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx; - if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0; - else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy; - break; - } - case MODE_CENTER: { - if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX)); - if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY)); - break; - } - } - - if (e1 < w1) { - signX *= -1; - t = w0, w0 = e0, e0 = t; - t = w1, w1 = e1, e1 = t; - if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]); - } - - if (s1 < n1) { - signY *= -1; - t = n0, n0 = s0, s0 = t; - t = n1, n1 = s1, s1 = t; - if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]); - } - - if (state.selection) selection = state.selection; // May be set by brush.move! - if (lockX) w1 = selection[0][0], e1 = selection[1][0]; - if (lockY) n1 = selection[0][1], s1 = selection[1][1]; - - if (selection[0][0] !== w1 - || selection[0][1] !== n1 - || selection[1][0] !== e1 - || selection[1][1] !== s1) { - state.selection = [[w1, n1], [e1, s1]]; - redraw.call(that); - emit.brush(); - } - } - - function ended() { - nopropagation$1(); - if (exports.event.touches) { - if (exports.event.touches.length) return; - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - group.on("touchmove.brush touchend.brush touchcancel.brush", null); - } else { - yesdrag(exports.event.view, moving); - view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null); - } - group.attr("pointer-events", "all"); - overlay.attr("cursor", cursors.overlay); - if (state.selection) selection = state.selection; // May be set by brush.move (on start)! - if (empty(selection)) state.selection = null, redraw.call(that); - emit.end(); - } - - function keydowned() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - shifting = signX && signY; - break; - } - case 18: { // ALT - if (mode === MODE_HANDLE) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - move(); - } - break; - } - case 32: { // SPACE; takes priority over ALT - if (mode === MODE_HANDLE || mode === MODE_CENTER) { - if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx; - if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy; - mode = MODE_SPACE; - overlay.attr("cursor", cursors.selection); - move(); - } - break; - } - default: return; - } - noevent$1(); - } - - function keyupped() { - switch (exports.event.keyCode) { - case 16: { // SHIFT - if (shifting) { - lockX = lockY = shifting = false; - move(); - } - break; - } - case 18: { // ALT - if (mode === MODE_CENTER) { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - move(); - } - break; - } - case 32: { // SPACE - if (mode === MODE_SPACE) { - if (exports.event.altKey) { - if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX; - if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY; - mode = MODE_CENTER; - } else { - if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1; - if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1; - mode = MODE_HANDLE; - } - overlay.attr("cursor", cursors[type]); - move(); - } - break; - } - default: return; - } - noevent$1(); - } - } - - function initialize() { - var state = this.__brush || {selection: null}; - state.extent = extent.apply(this, arguments); - state.dim = dim; - return state; - } - - brush.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent; - }; - - brush.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter; - }; - - brush.handleSize = function(_) { - return arguments.length ? (handleSize = +_, brush) : handleSize; - }; - - brush.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? brush : value; - }; - - return brush; -} - -var cos = Math.cos; -var sin = Math.sin; -var pi$1 = Math.PI; -var halfPi$1 = pi$1 / 2; -var tau$1 = pi$1 * 2; -var max$1 = Math.max; - -function compareValue(compare) { - return function(a, b) { - return compare( - a.source.value + a.target.value, - b.source.value + b.target.value - ); - }; -} - -function chord() { - var padAngle = 0, - sortGroups = null, - sortSubgroups = null, - sortChords = null; - - function chord(matrix) { - var n = matrix.length, - groupSums = [], - groupIndex = sequence(n), - subgroupIndex = [], - chords = [], - groups = chords.groups = new Array(n), - subgroups = new Array(n * n), - k, - x, - x0, - dx, - i, - j; - - // Compute the sum. - k = 0, i = -1; while (++i < n) { - x = 0, j = -1; while (++j < n) { - x += matrix[i][j]; - } - groupSums.push(x); - subgroupIndex.push(sequence(n)); - k += x; - } - - // Sort groups… - if (sortGroups) groupIndex.sort(function(a, b) { - return sortGroups(groupSums[a], groupSums[b]); - }); - - // Sort subgroups… - if (sortSubgroups) subgroupIndex.forEach(function(d, i) { - d.sort(function(a, b) { - return sortSubgroups(matrix[i][a], matrix[i][b]); - }); - }); - - // Convert the sum to scaling factor for [0, 2pi]. - // TODO Allow start and end angle to be specified? - // TODO Allow padding to be specified as percentage? - k = max$1(0, tau$1 - padAngle * n) / k; - dx = k ? padAngle : tau$1 / n; - - // Compute the start and end angle for each group and subgroup. - // Note: Opera has a bug reordering object literal properties! - x = 0, i = -1; while (++i < n) { - x0 = x, j = -1; while (++j < n) { - var di = groupIndex[i], - dj = subgroupIndex[di][j], - v = matrix[di][dj], - a0 = x, - a1 = x += v * k; - subgroups[dj * n + di] = { - index: di, - subindex: dj, - startAngle: a0, - endAngle: a1, - value: v - }; - } - groups[di] = { - index: di, - startAngle: x0, - endAngle: x, - value: groupSums[di] - }; - x += dx; - } - - // Generate chords for each (non-empty) subgroup-subgroup link. - i = -1; while (++i < n) { - j = i - 1; while (++j < n) { - var source = subgroups[j * n + i], - target = subgroups[i * n + j]; - if (source.value || target.value) { - chords.push(source.value < target.value - ? {source: target, target: source} - : {source: source, target: target}); - } - } - } - - return sortChords ? chords.sort(sortChords) : chords; - } - - chord.padAngle = function(_) { - return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle; - }; - - chord.sortGroups = function(_) { - return arguments.length ? (sortGroups = _, chord) : sortGroups; - }; - - chord.sortSubgroups = function(_) { - return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups; - }; - - chord.sortChords = function(_) { - return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._; - }; - - return chord; -} - -var slice$2 = Array.prototype.slice; - -function constant$5(x) { - return function() { - return x; - }; -} - -var pi$2 = Math.PI; -var tau$2 = 2 * pi$2; -var epsilon$1 = 1e-6; -var tauEpsilon = tau$2 - epsilon$1; - -function Path() { - this._x0 = this._y0 = // start of current subpath - this._x1 = this._y1 = null; // end of current subpath - this._ = ""; -} - -function path() { - return new Path; -} - -Path.prototype = path.prototype = { - constructor: Path, - moveTo: function(x, y) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y); - }, - closePath: function() { - if (this._x1 !== null) { - this._x1 = this._x0, this._y1 = this._y0; - this._ += "Z"; - } - }, - lineTo: function(x, y) { - this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y); - }, - quadraticCurveTo: function(x1, y1, x, y) { - this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { - this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y); - }, - arcTo: function(x1, y1, x2, y2, r) { - x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r; - var x0 = this._x1, - y0 = this._y1, - x21 = x2 - x1, - y21 = y2 - y1, - x01 = x0 - x1, - y01 = y0 - y1, - l01_2 = x01 * x01 + y01 * y01; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x1,y1). - if (this._x1 === null) { - this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1); - } - - // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$1)) {} - - // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear? - // Equivalently, is (x1,y1) coincident with (x2,y2)? - // Or, is the radius zero? Line to (x1,y1). - else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$1) || !r) { - this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1); - } - - // Otherwise, draw an arc! - else { - var x20 = x2 - x0, - y20 = y2 - y0, - l21_2 = x21 * x21 + y21 * y21, - l20_2 = x20 * x20 + y20 * y20, - l21 = Math.sqrt(l21_2), - l01 = Math.sqrt(l01_2), - l = r * Math.tan((pi$2 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), - t01 = l / l01, - t21 = l / l21; - - // If the start tangent is not coincident with (x0,y0), line to. - if (Math.abs(t01 - 1) > epsilon$1) { - this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01); - } - - this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21); - } - }, - arc: function(x, y, r, a0, a1, ccw) { - x = +x, y = +y, r = +r; - var dx = r * Math.cos(a0), - dy = r * Math.sin(a0), - x0 = x + dx, - y0 = y + dy, - cw = 1 ^ ccw, - da = ccw ? a0 - a1 : a1 - a0; - - // Is the radius negative? Error. - if (r < 0) throw new Error("negative radius: " + r); - - // Is this path empty? Move to (x0,y0). - if (this._x1 === null) { - this._ += "M" + x0 + "," + y0; - } - - // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0). - else if (Math.abs(this._x1 - x0) > epsilon$1 || Math.abs(this._y1 - y0) > epsilon$1) { - this._ += "L" + x0 + "," + y0; - } - - // Is this arc empty? We’re done. - if (!r) return; - - // Does the angle go the wrong way? Flip the direction. - if (da < 0) da = da % tau$2 + tau$2; - - // Is this a complete circle? Draw two arcs to complete the circle. - if (da > tauEpsilon) { - this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0); - } - - // Is this arc non-empty? Draw an arc! - else if (da > epsilon$1) { - this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1)); - } - }, - rect: function(x, y, w, h) { - this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z"; - }, - toString: function() { - return this._; - } -}; - -function defaultSource(d) { - return d.source; -} - -function defaultTarget(d) { - return d.target; -} - -function defaultRadius(d) { - return d.radius; -} - -function defaultStartAngle(d) { - return d.startAngle; -} - -function defaultEndAngle(d) { - return d.endAngle; -} - -function ribbon() { - var source = defaultSource, - target = defaultTarget, - radius = defaultRadius, - startAngle = defaultStartAngle, - endAngle = defaultEndAngle, - context = null; - - function ribbon() { - var buffer, - argv = slice$2.call(arguments), - s = source.apply(this, argv), - t = target.apply(this, argv), - sr = +radius.apply(this, (argv[0] = s, argv)), - sa0 = startAngle.apply(this, argv) - halfPi$1, - sa1 = endAngle.apply(this, argv) - halfPi$1, - sx0 = sr * cos(sa0), - sy0 = sr * sin(sa0), - tr = +radius.apply(this, (argv[0] = t, argv)), - ta0 = startAngle.apply(this, argv) - halfPi$1, - ta1 = endAngle.apply(this, argv) - halfPi$1; - - if (!context) context = buffer = path(); - - context.moveTo(sx0, sy0); - context.arc(0, 0, sr, sa0, sa1); - if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr? - context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0)); - context.arc(0, 0, tr, ta0, ta1); - } - context.quadraticCurveTo(0, 0, sx0, sy0); - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; - } - - ribbon.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$5(+_), ribbon) : radius; - }; - - ribbon.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : startAngle; - }; - - ribbon.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : endAngle; - }; - - ribbon.source = function(_) { - return arguments.length ? (source = _, ribbon) : source; - }; - - ribbon.target = function(_) { - return arguments.length ? (target = _, ribbon) : target; - }; - - ribbon.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, ribbon) : context; - }; - - return ribbon; -} - -var prefix = "$"; - -function Map() {} - -Map.prototype = map$1.prototype = { - constructor: Map, - has: function(key) { - return (prefix + key) in this; - }, - get: function(key) { - return this[prefix + key]; - }, - set: function(key, value) { - this[prefix + key] = value; - return this; - }, - remove: function(key) { - var property = prefix + key; - return property in this && delete this[property]; - }, - clear: function() { - for (var property in this) if (property[0] === prefix) delete this[property]; - }, - keys: function() { - var keys = []; - for (var property in this) if (property[0] === prefix) keys.push(property.slice(1)); - return keys; - }, - values: function() { - var values = []; - for (var property in this) if (property[0] === prefix) values.push(this[property]); - return values; - }, - entries: function() { - var entries = []; - for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]}); - return entries; - }, - size: function() { - var size = 0; - for (var property in this) if (property[0] === prefix) ++size; - return size; - }, - empty: function() { - for (var property in this) if (property[0] === prefix) return false; - return true; - }, - each: function(f) { - for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this); - } -}; - -function map$1(object, f) { - var map = new Map; - - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); - - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; - - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); - } - - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); - - return map; -} - -function nest() { - var keys = [], - sortKeys = [], - sortValues, - rollup, - nest; - - function apply(array, depth, createResult, setResult) { - if (depth >= keys.length) { - if (sortValues != null) array.sort(sortValues); - return rollup != null ? rollup(array) : array; - } - - var i = -1, - n = array.length, - key = keys[depth++], - keyValue, - value, - valuesByKey = map$1(), - values, - result = createResult(); - - while (++i < n) { - if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) { - values.push(value); - } else { - valuesByKey.set(keyValue, [value]); - } - } - - valuesByKey.each(function(values, key) { - setResult(result, key, apply(values, depth, createResult, setResult)); - }); - - return result; - } - - function entries(map, depth) { - if (++depth > keys.length) return map; - var array, sortKey = sortKeys[depth - 1]; - if (rollup != null && depth >= keys.length) array = map.entries(); - else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); }); - return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array; - } - - return nest = { - object: function(array) { return apply(array, 0, createObject, setObject); }, - map: function(array) { return apply(array, 0, createMap, setMap); }, - entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); }, - key: function(d) { keys.push(d); return nest; }, - sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; }, - sortValues: function(order) { sortValues = order; return nest; }, - rollup: function(f) { rollup = f; return nest; } - }; -} - -function createObject() { - return {}; -} - -function setObject(object, key, value) { - object[key] = value; -} - -function createMap() { - return map$1(); -} - -function setMap(map, key, value) { - map.set(key, value); -} - -function Set() {} - -var proto = map$1.prototype; - -Set.prototype = set$2.prototype = { - constructor: Set, - has: proto.has, - add: function(value) { - value += ""; - this[prefix + value] = value; - return this; - }, - remove: proto.remove, - clear: proto.clear, - values: proto.keys, - size: proto.size, - empty: proto.empty, - each: proto.each -}; - -function set$2(object, f) { - var set = new Set; - - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); - - // Otherwise, assume it’s an array. - else if (object) { - var i = -1, n = object.length; - if (f == null) while (++i < n) set.add(object[i]); - else while (++i < n) set.add(f(object[i], i, object)); - } - - return set; -} - -function keys(map) { - var keys = []; - for (var key in map) keys.push(key); - return keys; -} - -function values(map) { - var values = []; - for (var key in map) values.push(map[key]); - return values; -} - -function entries(map) { - var entries = []; - for (var key in map) entries.push({key: key, value: map[key]}); - return entries; -} - -var EOL = {}; -var EOF = {}; -var QUOTE = 34; -var NEWLINE = 10; -var RETURN = 13; - -function objectConverter(columns) { - return new Function("d", "return {" + columns.map(function(name, i) { - return JSON.stringify(name) + ": d[" + i + "]"; - }).join(",") + "}"); -} - -function customConverter(columns, f) { - var object = objectConverter(columns); - return function(row, i) { - return f(object(row), i, columns); - }; -} - -// Compute unique columns in order of discovery. -function inferColumns(rows) { - var columnSet = Object.create(null), - columns = []; - - rows.forEach(function(row) { - for (var column in row) { - if (!(column in columnSet)) { - columns.push(columnSet[column] = column); - } - } - }); - - return columns; -} - -function dsv(delimiter) { - var reFormat = new RegExp("[\"" + delimiter + "\n\r]"), - DELIMITER = delimiter.charCodeAt(0); - - function parse(text, f) { - var convert, columns, rows = parseRows(text, function(row, i) { - if (convert) return convert(row, i - 1); - columns = row, convert = f ? customConverter(row, f) : objectConverter(row); - }); - rows.columns = columns || []; - return rows; - } - - function parseRows(text, f) { - var rows = [], // output rows - N = text.length, - I = 0, // current character index - n = 0, // current line number - t, // current token - eof = N <= 0, // current token followed by EOF? - eol = false; // current token followed by EOL? - - // Strip the trailing newline. - if (text.charCodeAt(N - 1) === NEWLINE) --N; - if (text.charCodeAt(N - 1) === RETURN) --N; - - function token() { - if (eof) return EOF; - if (eol) return eol = false, EOL; - - // Unescape quotes. - var i, j = I, c; - if (text.charCodeAt(j) === QUOTE) { - while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE); - if ((i = I) >= N) eof = true; - else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - return text.slice(j + 1, i - 1).replace(/""/g, "\""); - } - - // Find next delimiter or newline. - while (I < N) { - if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true; - else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; } - else if (c !== DELIMITER) continue; - return text.slice(j, i); - } - - // Return last token before EOF. - return eof = true, text.slice(j, N); - } - - while ((t = token()) !== EOF) { - var row = []; - while (t !== EOL && t !== EOF) row.push(t), t = token(); - if (f && (row = f(row, n++)) == null) continue; - rows.push(row); - } - - return rows; - } - - function format(rows, columns) { - if (columns == null) columns = inferColumns(rows); - return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) { - return columns.map(function(column) { - return formatValue(row[column]); - }).join(delimiter); - })).join("\n"); - } - - function formatRows(rows) { - return rows.map(formatRow).join("\n"); - } - - function formatRow(row) { - return row.map(formatValue).join(delimiter); - } - - function formatValue(text) { - return text == null ? "" - : reFormat.test(text += "") ? "\"" + text.replace(/"/g, "\"\"") + "\"" - : text; - } - - return { - parse: parse, - parseRows: parseRows, - format: format, - formatRows: formatRows - }; -} - -var csv = dsv(","); - -var csvParse = csv.parse; -var csvParseRows = csv.parseRows; -var csvFormat = csv.format; -var csvFormatRows = csv.formatRows; - -var tsv = dsv("\t"); - -var tsvParse = tsv.parse; -var tsvParseRows = tsv.parseRows; -var tsvFormat = tsv.format; -var tsvFormatRows = tsv.formatRows; - -function center$1(x, y) { - var nodes; - - if (x == null) x = 0; - if (y == null) y = 0; - - function force() { - var i, - n = nodes.length, - node, - sx = 0, - sy = 0; - - for (i = 0; i < n; ++i) { - node = nodes[i], sx += node.x, sy += node.y; - } - - for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) { - node = nodes[i], node.x -= sx, node.y -= sy; - } - } - - force.initialize = function(_) { - nodes = _; - }; - - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; - - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; - - return force; -} - -function constant$6(x) { - return function() { - return x; - }; -} - -function jiggle() { - return (Math.random() - 0.5) * 1e-6; -} - -function tree_add(d) { - var x = +this._x.call(null, d), - y = +this._y.call(null, d); - return add(this.cover(x, y), x, y, d); -} - -function add(tree, x, y, d) { - if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points - - var parent, - node = tree._root, - leaf = {data: d}, - x0 = tree._x0, - y0 = tree._y0, - x1 = tree._x1, - y1 = tree._y1, - xm, - ym, - xp, - yp, - right, - bottom, - i, - j; - - // If the tree is empty, initialize the root as a leaf. - if (!node) return tree._root = leaf, tree; - - // Find the existing leaf for the new point, or add it. - while (node.length) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree; - } - - // Is the new point is exactly coincident with the existing point? - xp = +tree._x.call(null, node.data); - yp = +tree._y.call(null, node.data); - if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree; - - // Otherwise, split the leaf node until the old and new point are separated. - do { - parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4); - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm))); - return parent[j] = node, parent[i] = leaf, tree; -} - -function addAll(data) { - var d, i, n = data.length, - x, - y, - xz = new Array(n), - yz = new Array(n), - x0 = Infinity, - y0 = Infinity, - x1 = -Infinity, - y1 = -Infinity; - - // Compute the points and their extent. - for (i = 0; i < n; ++i) { - if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue; - xz[i] = x; - yz[i] = y; - if (x < x0) x0 = x; - if (x > x1) x1 = x; - if (y < y0) y0 = y; - if (y > y1) y1 = y; - } - - // If there were no (valid) points, inherit the existing extent. - if (x1 < x0) x0 = this._x0, x1 = this._x1; - if (y1 < y0) y0 = this._y0, y1 = this._y1; - - // Expand the tree to cover the new points. - this.cover(x0, y0).cover(x1, y1); - - // Add the new points. - for (i = 0; i < n; ++i) { - add(this, xz[i], yz[i], data[i]); - } - - return this; -} - -function tree_cover(x, y) { - if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points - - var x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1; - - // If the quadtree has no extent, initialize them. - // Integer extent are necessary so that if we later double the extent, - // the existing quadrant boundaries don’t change due to floating point error! - if (isNaN(x0)) { - x1 = (x0 = Math.floor(x)) + 1; - y1 = (y0 = Math.floor(y)) + 1; - } - - // Otherwise, double repeatedly to cover. - else if (x0 > x || x > x1 || y0 > y || y > y1) { - var z = x1 - x0, - node = this._root, - parent, - i; - - switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) { - case 0: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1); - break; - } - case 1: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1); - break; - } - case 2: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y); - break; - } - case 3: { - do parent = new Array(4), parent[i] = node, node = parent; - while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y); - break; - } - } - - if (this._root && this._root.length) this._root = node; - } - - // If the quadtree covers the point already, just return. - else return this; - - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - return this; -} - -function tree_data() { - var data = []; - this.visit(function(node) { - if (!node.length) do data.push(node.data); while (node = node.next) - }); - return data; -} - -function tree_extent(_) { - return arguments.length - ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1]) - : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]]; -} - -function Quad(node, x0, y0, x1, y1) { - this.node = node; - this.x0 = x0; - this.y0 = y0; - this.x1 = x1; - this.y1 = y1; -} - -function tree_find(x, y, radius) { - var data, - x0 = this._x0, - y0 = this._y0, - x1, - y1, - x2, - y2, - x3 = this._x1, - y3 = this._y1, - quads = [], - node = this._root, - q, - i; - - if (node) quads.push(new Quad(node, x0, y0, x3, y3)); - if (radius == null) radius = Infinity; - else { - x0 = x - radius, y0 = y - radius; - x3 = x + radius, y3 = y + radius; - radius *= radius; - } - - while (q = quads.pop()) { - - // Stop searching if this quadrant can’t contain a closer node. - if (!(node = q.node) - || (x1 = q.x0) > x3 - || (y1 = q.y0) > y3 - || (x2 = q.x1) < x0 - || (y2 = q.y1) < y0) continue; - - // Bisect the current quadrant. - if (node.length) { - var xm = (x1 + x2) / 2, - ym = (y1 + y2) / 2; - - quads.push( - new Quad(node[3], xm, ym, x2, y2), - new Quad(node[2], x1, ym, xm, y2), - new Quad(node[1], xm, y1, x2, ym), - new Quad(node[0], x1, y1, xm, ym) - ); - - // Visit the closest quadrant first. - if (i = (y >= ym) << 1 | (x >= xm)) { - q = quads[quads.length - 1]; - quads[quads.length - 1] = quads[quads.length - 1 - i]; - quads[quads.length - 1 - i] = q; - } - } - - // Visit this point. (Visiting coincident points isn’t necessary!) - else { - var dx = x - +this._x.call(null, node.data), - dy = y - +this._y.call(null, node.data), - d2 = dx * dx + dy * dy; - if (d2 < radius) { - var d = Math.sqrt(radius = d2); - x0 = x - d, y0 = y - d; - x3 = x + d, y3 = y + d; - data = node.data; - } - } - } - - return data; -} - -function tree_remove(d) { - if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points - - var parent, - node = this._root, - retainer, - previous, - next, - x0 = this._x0, - y0 = this._y0, - x1 = this._x1, - y1 = this._y1, - x, - y, - xm, - ym, - right, - bottom, - i, - j; - - // If the tree is empty, initialize the root as a leaf. - if (!node) return this; - - // Find the leaf node for the point. - // While descending, also retain the deepest parent with a non-removed sibling. - if (node.length) while (true) { - if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm; - if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym; - if (!(parent = node, node = node[i = bottom << 1 | right])) return this; - if (!node.length) break; - if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i; - } - - // Find the point to remove. - while (node.data !== d) if (!(previous = node, node = node.next)) return this; - if (next = node.next) delete node.next; - - // If there are multiple coincident points, remove just the point. - if (previous) return next ? previous.next = next : delete previous.next, this; - - // If this is the root point, remove it. - if (!parent) return this._root = next, this; - - // Remove this leaf. - next ? parent[i] = next : delete parent[i]; - - // If the parent now contains exactly one leaf, collapse superfluous parents. - if ((node = parent[0] || parent[1] || parent[2] || parent[3]) - && node === (parent[3] || parent[2] || parent[1] || parent[0]) - && !node.length) { - if (retainer) retainer[j] = node; - else this._root = node; - } - - return this; -} - -function removeAll(data) { - for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]); - return this; -} - -function tree_root() { - return this._root; -} - -function tree_size() { - var size = 0; - this.visit(function(node) { - if (!node.length) do ++size; while (node = node.next) - }); - return size; -} - -function tree_visit(callback) { - var quads = [], q, node = this._root, child, x0, y0, x1, y1; - if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) { - var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - } - } - return this; -} - -function tree_visitAfter(callback) { - var quads = [], next = [], q; - if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1)); - while (q = quads.pop()) { - var node = q.node; - if (node.length) { - var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2; - if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym)); - if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym)); - if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1)); - if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1)); - } - next.push(q); - } - while (q = next.pop()) { - callback(q.node, q.x0, q.y0, q.x1, q.y1); - } - return this; -} - -function defaultX(d) { - return d[0]; -} - -function tree_x(_) { - return arguments.length ? (this._x = _, this) : this._x; -} - -function defaultY(d) { - return d[1]; -} - -function tree_y(_) { - return arguments.length ? (this._y = _, this) : this._y; -} - -function quadtree(nodes, x, y) { - var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN); - return nodes == null ? tree : tree.addAll(nodes); -} - -function Quadtree(x, y, x0, y0, x1, y1) { - this._x = x; - this._y = y; - this._x0 = x0; - this._y0 = y0; - this._x1 = x1; - this._y1 = y1; - this._root = undefined; -} - -function leaf_copy(leaf) { - var copy = {data: leaf.data}, next = copy; - while (leaf = leaf.next) next = next.next = {data: leaf.data}; - return copy; -} - -var treeProto = quadtree.prototype = Quadtree.prototype; - -treeProto.copy = function() { - var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1), - node = this._root, - nodes, - child; - - if (!node) return copy; - - if (!node.length) return copy._root = leaf_copy(node), copy; - - nodes = [{source: node, target: copy._root = new Array(4)}]; - while (node = nodes.pop()) { - for (var i = 0; i < 4; ++i) { - if (child = node.source[i]) { - if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)}); - else node.target[i] = leaf_copy(child); - } - } - } - - return copy; -}; - -treeProto.add = tree_add; -treeProto.addAll = addAll; -treeProto.cover = tree_cover; -treeProto.data = tree_data; -treeProto.extent = tree_extent; -treeProto.find = tree_find; -treeProto.remove = tree_remove; -treeProto.removeAll = removeAll; -treeProto.root = tree_root; -treeProto.size = tree_size; -treeProto.visit = tree_visit; -treeProto.visitAfter = tree_visitAfter; -treeProto.x = tree_x; -treeProto.y = tree_y; - -function x(d) { - return d.x + d.vx; -} - -function y(d) { - return d.y + d.vy; -} - -function collide(radius) { - var nodes, - radii, - strength = 1, - iterations = 1; - - if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius); - - function force() { - var i, n = nodes.length, - tree, - node, - xi, - yi, - ri, - ri2; - - for (var k = 0; k < iterations; ++k) { - tree = quadtree(nodes, x, y).visitAfter(prepare); - for (i = 0; i < n; ++i) { - node = nodes[i]; - ri = radii[node.index], ri2 = ri * ri; - xi = node.x + node.vx; - yi = node.y + node.vy; - tree.visit(apply); - } - } - - function apply(quad, x0, y0, x1, y1) { - var data = quad.data, rj = quad.r, r = ri + rj; - if (data) { - if (data.index > node.index) { - var x = xi - data.x - data.vx, - y = yi - data.y - data.vy, - l = x * x + y * y; - if (l < r * r) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - l = (r - (l = Math.sqrt(l))) / l * strength; - node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj)); - node.vy += (y *= l) * r; - data.vx -= x * (r = 1 - r); - data.vy -= y * r; - } - } - return; - } - return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r; - } - } - - function prepare(quad) { - if (quad.data) return quad.r = radii[quad.data.index]; - for (var i = quad.r = 0; i < 4; ++i) { - if (quad[i] && quad[i].r > quad.r) { - quad.r = quad[i].r; - } - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - radii = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes); - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = +_, force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; - }; - - return force; -} - -function index(d) { - return d.index; -} - -function find(nodeById, nodeId) { - var node = nodeById.get(nodeId); - if (!node) throw new Error("missing: " + nodeId); - return node; -} - -function link(links) { - var id = index, - strength = defaultStrength, - strengths, - distance = constant$6(30), - distances, - nodes, - count, - bias, - iterations = 1; - - if (links == null) links = []; - - function defaultStrength(link) { - return 1 / Math.min(count[link.source.index], count[link.target.index]); - } - - function force(alpha) { - for (var k = 0, n = links.length; k < iterations; ++k) { - for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) { - link = links[i], source = link.source, target = link.target; - x = target.x + target.vx - source.x - source.vx || jiggle(); - y = target.y + target.vy - source.y - source.vy || jiggle(); - l = Math.sqrt(x * x + y * y); - l = (l - distances[i]) / l * alpha * strengths[i]; - x *= l, y *= l; - target.vx -= x * (b = bias[i]); - target.vy -= y * b; - source.vx += x * (b = 1 - b); - source.vy += y * b; - } - } - } - - function initialize() { - if (!nodes) return; - - var i, - n = nodes.length, - m = links.length, - nodeById = map$1(nodes, id), - link; - - for (i = 0, count = new Array(n); i < m; ++i) { - link = links[i], link.index = i; - if (typeof link.source !== "object") link.source = find(nodeById, link.source); - if (typeof link.target !== "object") link.target = find(nodeById, link.target); - count[link.source.index] = (count[link.source.index] || 0) + 1; - count[link.target.index] = (count[link.target.index] || 0) + 1; - } - - for (i = 0, bias = new Array(m); i < m; ++i) { - link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]); - } - - strengths = new Array(m), initializeStrength(); - distances = new Array(m), initializeDistance(); - } - - function initializeStrength() { - if (!nodes) return; - - for (var i = 0, n = links.length; i < n; ++i) { - strengths[i] = +strength(links[i], i, links); - } - } - - function initializeDistance() { - if (!nodes) return; - - for (var i = 0, n = links.length; i < n; ++i) { - distances[i] = +distance(links[i], i, links); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.links = function(_) { - return arguments.length ? (links = _, initialize(), force) : links; - }; - - force.id = function(_) { - return arguments.length ? (id = _, force) : id; - }; - - force.iterations = function(_) { - return arguments.length ? (iterations = +_, force) : iterations; - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength; - }; - - force.distance = function(_) { - return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance; - }; - - return force; -} - -function x$1(d) { - return d.x; -} - -function y$1(d) { - return d.y; -} - -var initialRadius = 10; -var initialAngle = Math.PI * (3 - Math.sqrt(5)); - -function simulation(nodes) { - var simulation, - alpha = 1, - alphaMin = 0.001, - alphaDecay = 1 - Math.pow(alphaMin, 1 / 300), - alphaTarget = 0, - velocityDecay = 0.6, - forces = map$1(), - stepper = timer(step), - event = dispatch("tick", "end"); - - if (nodes == null) nodes = []; - - function step() { - tick(); - event.call("tick", simulation); - if (alpha < alphaMin) { - stepper.stop(); - event.call("end", simulation); - } - } - - function tick() { - var i, n = nodes.length, node; - - alpha += (alphaTarget - alpha) * alphaDecay; - - forces.each(function(force) { - force(alpha); - }); - - for (i = 0; i < n; ++i) { - node = nodes[i]; - if (node.fx == null) node.x += node.vx *= velocityDecay; - else node.x = node.fx, node.vx = 0; - if (node.fy == null) node.y += node.vy *= velocityDecay; - else node.y = node.fy, node.vy = 0; - } - } - - function initializeNodes() { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.index = i; - if (isNaN(node.x) || isNaN(node.y)) { - var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle; - node.x = radius * Math.cos(angle); - node.y = radius * Math.sin(angle); - } - if (isNaN(node.vx) || isNaN(node.vy)) { - node.vx = node.vy = 0; - } - } - } - - function initializeForce(force) { - if (force.initialize) force.initialize(nodes); - return force; - } - - initializeNodes(); - - return simulation = { - tick: tick, - - restart: function() { - return stepper.restart(step), simulation; - }, - - stop: function() { - return stepper.stop(), simulation; - }, - - nodes: function(_) { - return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes; - }, - - alpha: function(_) { - return arguments.length ? (alpha = +_, simulation) : alpha; - }, - - alphaMin: function(_) { - return arguments.length ? (alphaMin = +_, simulation) : alphaMin; - }, - - alphaDecay: function(_) { - return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay; - }, - - alphaTarget: function(_) { - return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget; - }, - - velocityDecay: function(_) { - return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay; - }, - - force: function(name, _) { - return arguments.length > 1 ? (_ == null ? forces.remove(name) : forces.set(name, initializeForce(_)), simulation) : forces.get(name); - }, - - find: function(x, y, radius) { - var i = 0, - n = nodes.length, - dx, - dy, - d2, - node, - closest; - - if (radius == null) radius = Infinity; - else radius *= radius; - - for (i = 0; i < n; ++i) { - node = nodes[i]; - dx = x - node.x; - dy = y - node.y; - d2 = dx * dx + dy * dy; - if (d2 < radius) closest = node, radius = d2; - } - - return closest; - }, - - on: function(name, _) { - return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name); - } - }; -} - -function manyBody() { - var nodes, - node, - alpha, - strength = constant$6(-30), - strengths, - distanceMin2 = 1, - distanceMax2 = Infinity, - theta2 = 0.81; - - function force(_) { - var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate); - for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply); - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length, node; - strengths = new Array(n); - for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes); - } - - function accumulate(quad) { - var strength = 0, q, c, weight = 0, x, y, i; - - // For internal nodes, accumulate forces from child quadrants. - if (quad.length) { - for (x = y = i = 0; i < 4; ++i) { - if ((q = quad[i]) && (c = Math.abs(q.value))) { - strength += q.value, weight += c, x += c * q.x, y += c * q.y; - } - } - quad.x = x / weight; - quad.y = y / weight; - } - - // For leaf nodes, accumulate forces from coincident quadrants. - else { - q = quad; - q.x = q.data.x; - q.y = q.data.y; - do strength += strengths[q.data.index]; - while (q = q.next); - } - - quad.value = strength; - } - - function apply(quad, x1, _, x2) { - if (!quad.value) return true; - - var x = quad.x - node.x, - y = quad.y - node.y, - w = x2 - x1, - l = x * x + y * y; - - // Apply the Barnes-Hut approximation if possible. - // Limit forces for very close nodes; randomize direction if coincident. - if (w * w / theta2 < l) { - if (l < distanceMax2) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - node.vx += x * quad.value * alpha / l; - node.vy += y * quad.value * alpha / l; - } - return true; - } - - // Otherwise, process points directly. - else if (quad.length || l >= distanceMax2) return; - - // Limit forces for very close nodes; randomize direction if coincident. - if (quad.data !== node || quad.next) { - if (x === 0) x = jiggle(), l += x * x; - if (y === 0) y = jiggle(), l += y * y; - if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l); - } - - do if (quad.data !== node) { - w = strengths[quad.data.index] * alpha / l; - node.vx += x * w; - node.vy += y * w; - } while (quad = quad.next); - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.distanceMin = function(_) { - return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2); - }; - - force.distanceMax = function(_) { - return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2); - }; - - force.theta = function(_) { - return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2); - }; - - return force; -} - -function radial(radius, x, y) { - var nodes, - strength = constant$6(0.1), - strengths, - radiuses; - - if (typeof radius !== "function") radius = constant$6(+radius); - if (x == null) x = 0; - if (y == null) y = 0; - - function force(alpha) { - for (var i = 0, n = nodes.length; i < n; ++i) { - var node = nodes[i], - dx = node.x - x || 1e-6, - dy = node.y - y || 1e-6, - r = Math.sqrt(dx * dx + dy * dy), - k = (radiuses[i] - r) * strengths[i] * alpha / r; - node.vx += dx * k; - node.vy += dy * k; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - radiuses = new Array(n); - for (i = 0; i < n; ++i) { - radiuses[i] = +radius(nodes[i], i, nodes); - strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _, initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius; - }; - - force.x = function(_) { - return arguments.length ? (x = +_, force) : x; - }; - - force.y = function(_) { - return arguments.length ? (y = +_, force) : y; - }; - - return force; -} - -function x$2(x) { - var strength = constant$6(0.1), - nodes, - strengths, - xz; - - if (typeof x !== "function") x = constant$6(x == null ? 0 : +x); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - xz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.x = function(_) { - return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x; - }; - - return force; -} - -function y$2(y) { - var strength = constant$6(0.1), - nodes, - strengths, - yz; - - if (typeof y !== "function") y = constant$6(y == null ? 0 : +y); - - function force(alpha) { - for (var i = 0, n = nodes.length, node; i < n; ++i) { - node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha; - } - } - - function initialize() { - if (!nodes) return; - var i, n = nodes.length; - strengths = new Array(n); - yz = new Array(n); - for (i = 0; i < n; ++i) { - strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes); - } - } - - force.initialize = function(_) { - nodes = _; - initialize(); - }; - - force.strength = function(_) { - return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength; - }; - - force.y = function(_) { - return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y; - }; - - return force; -} - -// Computes the decimal coefficient and exponent of the specified number x with -// significant digits p, where x is positive and p is in [1, 21] or undefined. -// For example, formatDecimal(1.23) returns ["123", 0]. -function formatDecimal(x, p) { - if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity - var i, coefficient = x.slice(0, i); - - // The string returned by toExponential either has the form \d\.\d+e[-+]\d+ - // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3). - return [ - coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient, - +x.slice(i + 1) - ]; -} - -function exponent$1(x) { - return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; -} - -function formatGroup(grouping, thousands) { - return function(value, width) { - var i = value.length, - t = [], - j = 0, - g = grouping[0], - length = 0; - - while (i > 0 && g > 0) { - if (length + g + 1 > width) g = Math.max(1, width - length); - t.push(value.substring(i -= g, i + g)); - if ((length += g + 1) > width) break; - g = grouping[j = (j + 1) % grouping.length]; - } - - return t.reverse().join(thousands); - }; -} - -function formatNumerals(numerals) { - return function(value) { - return value.replace(/[0-9]/g, function(i) { - return numerals[+i]; - }); - }; -} - -function formatDefault(x, p) { - x = x.toPrecision(p); - - out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) { - switch (x[i]) { - case ".": i0 = i1 = i; break; - case "0": if (i0 === 0) i0 = i; i1 = i; break; - case "e": break out; - default: if (i0 > 0) i0 = 0; break; - } - } - - return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x; -} - -var prefixExponent; - -function formatPrefixAuto(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1], - i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, - n = coefficient.length; - return i === n ? coefficient - : i > n ? coefficient + new Array(i - n + 1).join("0") - : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i) - : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y! -} - -function formatRounded(x, p) { - var d = formatDecimal(x, p); - if (!d) return x + ""; - var coefficient = d[0], - exponent = d[1]; - return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient - : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) - : coefficient + new Array(exponent - coefficient.length + 2).join("0"); -} - -var formatTypes = { - "": formatDefault, - "%": function(x, p) { return (x * 100).toFixed(p); }, - "b": function(x) { return Math.round(x).toString(2); }, - "c": function(x) { return x + ""; }, - "d": function(x) { return Math.round(x).toString(10); }, - "e": function(x, p) { return x.toExponential(p); }, - "f": function(x, p) { return x.toFixed(p); }, - "g": function(x, p) { return x.toPrecision(p); }, - "o": function(x) { return Math.round(x).toString(8); }, - "p": function(x, p) { return formatRounded(x * 100, p); }, - "r": formatRounded, - "s": formatPrefixAuto, - "X": function(x) { return Math.round(x).toString(16).toUpperCase(); }, - "x": function(x) { return Math.round(x).toString(16); } -}; - -// [[fill]align][sign][symbol][0][width][,][.precision][type] -var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i; - -function formatSpecifier(specifier) { - return new FormatSpecifier(specifier); -} - -formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - -function FormatSpecifier(specifier) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - - var match, - fill = match[1] || " ", - align = match[2] || ">", - sign = match[3] || "-", - symbol = match[4] || "", - zero = !!match[5], - width = match[6] && +match[6], - comma = !!match[7], - precision = match[8] && +match[8].slice(1), - type = match[9] || ""; - - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; - - // Map invalid types to the default format. - else if (!formatTypes[type]) type = ""; - - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; - - this.fill = fill; - this.align = align; - this.sign = sign; - this.symbol = symbol; - this.zero = zero; - this.width = width; - this.comma = comma; - this.precision = precision; - this.type = type; -} - -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width == null ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0)) - + this.type; -}; - -function identity$3(x) { - return x; -} - -var prefixes = ["y","z","a","f","p","n","\xB5","m","","k","M","G","T","P","E","Z","Y"]; - -function formatLocale(locale) { - var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3, - currency = locale.currency, - decimal = locale.decimal, - numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3, - percent = locale.percent || "%"; - - function newFormat(specifier) { - specifier = formatSpecifier(specifier); - - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - type = specifier.type; - - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currency[1] : /[%p]/.test(type) ? percent : ""; - - // What format function should we use? - // Is this an integer type? - // Can this type generate exponential notation? - var formatType = formatTypes[type], - maybeSuffix = !type || /[defgprs%]/.test(type); - - // Set the default precision if not specified, - // or clamp the specified precision to the supported range. - // For significant precision, it must be in [1, 21]. - // For fixed precision, it must be in [0, 20]. - precision = precision == null ? (type ? 6 : 12) - : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision)) - : Math.max(0, Math.min(20, precision)); - - function format(value) { - var valuePrefix = prefix, - valueSuffix = suffix, - i, n, c; - - if (type === "c") { - valueSuffix = formatType(value) + valueSuffix; - value = ""; - } else { - value = +value; - - // Perform the initial formatting. - var valueNegative = value < 0; - value = formatType(Math.abs(value), precision); - - // If a negative value rounds to zero during formatting, treat as positive. - if (valueNegative && +value === 0) valueNegative = false; - - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = valueSuffix + (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + (valueNegative && sign === "(" ? ")" : ""); - - // Break the formatted value into the integer “value” part that can be - // grouped, and fractional or exponential “suffix” part that is not. - if (maybeSuffix) { - i = -1, n = value.length; - while (++i < n) { - if (c = value.charCodeAt(i), 48 > c || c > 57) { - valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix; - value = value.slice(0, i); - break; - } - } - } - } - - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); - - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; - - // If the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; - - // Reconstruct the final output based on the desired alignment. - switch (align) { - case "<": value = valuePrefix + value + valueSuffix + padding; break; - case "=": value = valuePrefix + padding + value + valueSuffix; break; - case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break; - default: value = padding + valuePrefix + value + valueSuffix; break; - } - - return numerals(value); - } - - format.toString = function() { - return specifier + ""; - }; - - return format; - } - - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; - } - - return { - format: newFormat, - formatPrefix: formatPrefix - }; -} - -var locale; - - - -defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""] -}); - -function defaultLocale(definition) { - locale = formatLocale(definition); - exports.format = locale.format; - exports.formatPrefix = locale.formatPrefix; - return locale; -} - -function precisionFixed(step) { - return Math.max(0, -exponent$1(Math.abs(step))); -} - -function precisionPrefix(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step))); -} - -function precisionRound(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent$1(max) - exponent$1(step)) + 1; -} - -// Adds floating point numbers with twice the normal precision. -// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and -// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3) -// 305–363 (1997). -// Code adapted from GeographicLib by Charles F. F. Karney, -// http://geographiclib.sourceforge.net/ - -function adder() { - return new Adder; -} - -function Adder() { - this.reset(); -} - -Adder.prototype = { - constructor: Adder, - reset: function() { - this.s = // rounded value - this.t = 0; // exact error - }, - add: function(y) { - add$1(temp, y, this.t); - add$1(this, temp.s, this.s); - if (this.s) this.t += temp.t; - else this.s = temp.t; - }, - valueOf: function() { - return this.s; - } -}; - -var temp = new Adder; - -function add$1(adder, a, b) { - var x = adder.s = a + b, - bv = x - a, - av = x - bv; - adder.t = (a - av) + (b - bv); -} - -var epsilon$2 = 1e-6; -var epsilon2$1 = 1e-12; -var pi$3 = Math.PI; -var halfPi$2 = pi$3 / 2; -var quarterPi = pi$3 / 4; -var tau$3 = pi$3 * 2; - -var degrees$1 = 180 / pi$3; -var radians = pi$3 / 180; - -var abs = Math.abs; -var atan = Math.atan; -var atan2 = Math.atan2; -var cos$1 = Math.cos; -var ceil = Math.ceil; -var exp = Math.exp; - -var log = Math.log; -var pow = Math.pow; -var sin$1 = Math.sin; -var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; }; -var sqrt = Math.sqrt; -var tan = Math.tan; - -function acos(x) { - return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x); -} - -function asin(x) { - return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x); -} - -function haversin(x) { - return (x = sin$1(x / 2)) * x; -} - -function noop$1() {} - -function streamGeometry(geometry, stream) { - if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) { - streamGeometryType[geometry.type](geometry, stream); - } -} - -var streamObjectType = { - Feature: function(object, stream) { - streamGeometry(object.geometry, stream); - }, - FeatureCollection: function(object, stream) { - var features = object.features, i = -1, n = features.length; - while (++i < n) streamGeometry(features[i].geometry, stream); - } -}; - -var streamGeometryType = { - Sphere: function(object, stream) { - stream.sphere(); - }, - Point: function(object, stream) { - object = object.coordinates; - stream.point(object[0], object[1], object[2]); - }, - MultiPoint: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]); - }, - LineString: function(object, stream) { - streamLine(object.coordinates, stream, 0); - }, - MultiLineString: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamLine(coordinates[i], stream, 0); - }, - Polygon: function(object, stream) { - streamPolygon(object.coordinates, stream); - }, - MultiPolygon: function(object, stream) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) streamPolygon(coordinates[i], stream); - }, - GeometryCollection: function(object, stream) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) streamGeometry(geometries[i], stream); - } -}; - -function streamLine(coordinates, stream, closed) { - var i = -1, n = coordinates.length - closed, coordinate; - stream.lineStart(); - while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]); - stream.lineEnd(); -} - -function streamPolygon(coordinates, stream) { - var i = -1, n = coordinates.length; - stream.polygonStart(); - while (++i < n) streamLine(coordinates[i], stream, 1); - stream.polygonEnd(); -} - -function geoStream(object, stream) { - if (object && streamObjectType.hasOwnProperty(object.type)) { - streamObjectType[object.type](object, stream); - } else { - streamGeometry(object, stream); - } -} - -var areaRingSum = adder(); - -var areaSum = adder(); -var lambda00; -var phi00; -var lambda0; -var cosPhi0; -var sinPhi0; - -var areaStream = { - point: noop$1, - lineStart: noop$1, - lineEnd: noop$1, - polygonStart: function() { - areaRingSum.reset(); - areaStream.lineStart = areaRingStart; - areaStream.lineEnd = areaRingEnd; - }, - polygonEnd: function() { - var areaRing = +areaRingSum; - areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing); - this.lineStart = this.lineEnd = this.point = noop$1; - }, - sphere: function() { - areaSum.add(tau$3); - } -}; - -function areaRingStart() { - areaStream.point = areaPointFirst; -} - -function areaRingEnd() { - areaPoint(lambda00, phi00); -} - -function areaPointFirst(lambda, phi) { - areaStream.point = areaPoint; - lambda00 = lambda, phi00 = phi; - lambda *= radians, phi *= radians; - lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi); -} - -function areaPoint(lambda, phi) { - lambda *= radians, phi *= radians; - phi = phi / 2 + quarterPi; // half the angular distance from south pole - - // Spherical excess E for a spherical triangle with vertices: south pole, - // previous point, current point. Uses a formula derived from Cagnoli’s - // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2). - var dLambda = lambda - lambda0, - sdLambda = dLambda >= 0 ? 1 : -1, - adLambda = sdLambda * dLambda, - cosPhi = cos$1(phi), - sinPhi = sin$1(phi), - k = sinPhi0 * sinPhi, - u = cosPhi0 * cosPhi + k * cos$1(adLambda), - v = k * sdLambda * sin$1(adLambda); - areaRingSum.add(atan2(v, u)); - - // Advance the previous points. - lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi; -} - -function area(object) { - areaSum.reset(); - geoStream(object, areaStream); - return areaSum * 2; -} - -function spherical(cartesian) { - return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])]; -} - -function cartesian(spherical) { - var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi); - return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)]; -} - -function cartesianDot(a, b) { - return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; -} - -function cartesianCross(a, b) { - 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]]; -} - -// TODO return a -function cartesianAddInPlace(a, b) { - a[0] += b[0], a[1] += b[1], a[2] += b[2]; -} - -function cartesianScale(vector, k) { - return [vector[0] * k, vector[1] * k, vector[2] * k]; -} - -// TODO return d -function cartesianNormalizeInPlace(d) { - var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]); - d[0] /= l, d[1] /= l, d[2] /= l; -} - -var lambda0$1; -var phi0; -var lambda1; -var phi1; -var lambda2; -var lambda00$1; -var phi00$1; -var p0; -var deltaSum = adder(); -var ranges; -var range; - -var boundsStream = { - point: boundsPoint, - lineStart: boundsLineStart, - lineEnd: boundsLineEnd, - polygonStart: function() { - boundsStream.point = boundsRingPoint; - boundsStream.lineStart = boundsRingStart; - boundsStream.lineEnd = boundsRingEnd; - deltaSum.reset(); - areaStream.polygonStart(); - }, - polygonEnd: function() { - areaStream.polygonEnd(); - boundsStream.point = boundsPoint; - boundsStream.lineStart = boundsLineStart; - boundsStream.lineEnd = boundsLineEnd; - if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90); - else if (deltaSum > epsilon$2) phi1 = 90; - else if (deltaSum < -epsilon$2) phi0 = -90; - range[0] = lambda0$1, range[1] = lambda1; - } -}; - -function boundsPoint(lambda, phi) { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; -} - -function linePoint(lambda, phi) { - var p = cartesian([lambda * radians, phi * radians]); - if (p0) { - var normal = cartesianCross(p0, p), - equatorial = [normal[1], -normal[0], 0], - inflection = cartesianCross(equatorial, normal); - cartesianNormalizeInPlace(inflection); - inflection = spherical(inflection); - var delta = lambda - lambda2, - sign$$1 = delta > 0 ? 1 : -1, - lambdai = inflection[0] * degrees$1 * sign$$1, - phii, - antimeridian = abs(delta) > 180; - if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { - phii = inflection[1] * degrees$1; - if (phii > phi1) phi1 = phii; - } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) { - phii = -inflection[1] * degrees$1; - if (phii < phi0) phi0 = phii; - } else { - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - } - if (antimeridian) { - if (lambda < lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } else { - if (lambda1 >= lambda0$1) { - if (lambda < lambda0$1) lambda0$1 = lambda; - if (lambda > lambda1) lambda1 = lambda; - } else { - if (lambda > lambda2) { - if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda; - } else { - if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda; - } - } - } - } else { - ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]); - } - if (phi < phi0) phi0 = phi; - if (phi > phi1) phi1 = phi; - p0 = p, lambda2 = lambda; -} - -function boundsLineStart() { - boundsStream.point = linePoint; -} - -function boundsLineEnd() { - range[0] = lambda0$1, range[1] = lambda1; - boundsStream.point = boundsPoint; - p0 = null; -} - -function boundsRingPoint(lambda, phi) { - if (p0) { - var delta = lambda - lambda2; - deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta); - } else { - lambda00$1 = lambda, phi00$1 = phi; - } - areaStream.point(lambda, phi); - linePoint(lambda, phi); -} - -function boundsRingStart() { - areaStream.lineStart(); -} - -function boundsRingEnd() { - boundsRingPoint(lambda00$1, phi00$1); - areaStream.lineEnd(); - if (abs(deltaSum) > epsilon$2) lambda0$1 = -(lambda1 = 180); - range[0] = lambda0$1, range[1] = lambda1; - p0 = null; -} - -// Finds the left-right distance between two longitudes. -// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want -// the distance between ±180° to be 360°. -function angle(lambda0, lambda1) { - return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1; -} - -function rangeCompare(a, b) { - return a[0] - b[0]; -} - -function rangeContains(range, x) { - return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x; -} - -function bounds(feature) { - var i, n, a, b, merged, deltaMax, delta; - - phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity); - ranges = []; - geoStream(feature, boundsStream); - - // First, sort ranges by their minimum longitudes. - if (n = ranges.length) { - ranges.sort(rangeCompare); - - // Then, merge any ranges that overlap. - for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) { - b = ranges[i]; - if (rangeContains(a, b[0]) || rangeContains(a, b[1])) { - if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1]; - if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0]; - } else { - merged.push(a = b); - } - } - - // Finally, find the largest gap between the merged ranges. - // The final bounding box will be the inverse of this gap. - for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) { - b = merged[i]; - if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1]; - } - } - - ranges = range = null; - - return lambda0$1 === Infinity || phi0 === Infinity - ? [[NaN, NaN], [NaN, NaN]] - : [[lambda0$1, phi0], [lambda1, phi1]]; -} - -var W0; -var W1; -var X0; -var Y0; -var Z0; -var X1; -var Y1; -var Z1; -var X2; -var Y2; -var Z2; -var lambda00$2; -var phi00$2; -var x0; -var y0; -var z0; // previous point - -var centroidStream = { - sphere: noop$1, - point: centroidPoint, - lineStart: centroidLineStart, - lineEnd: centroidLineEnd, - polygonStart: function() { - centroidStream.lineStart = centroidRingStart; - centroidStream.lineEnd = centroidRingEnd; - }, - polygonEnd: function() { - centroidStream.lineStart = centroidLineStart; - centroidStream.lineEnd = centroidLineEnd; - } -}; - -// Arithmetic mean of Cartesian vectors. -function centroidPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi)); -} - -function centroidPointCartesian(x, y, z) { - ++W0; - X0 += (x - X0) / W0; - Y0 += (y - Y0) / W0; - Z0 += (z - Z0) / W0; -} - -function centroidLineStart() { - centroidStream.point = centroidLinePointFirst; -} - -function centroidLinePointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidStream.point = centroidLinePoint; - centroidPointCartesian(x0, y0, z0); -} - -function centroidLinePoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - 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); - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} - -function centroidLineEnd() { - centroidStream.point = centroidPoint; -} - -// See J. E. Brock, The Inertia Tensor for a Spherical Triangle, -// J. Applied Mechanics 42, 239 (1975). -function centroidRingStart() { - centroidStream.point = centroidRingPointFirst; -} - -function centroidRingEnd() { - centroidRingPoint(lambda00$2, phi00$2); - centroidStream.point = centroidPoint; -} - -function centroidRingPointFirst(lambda, phi) { - lambda00$2 = lambda, phi00$2 = phi; - lambda *= radians, phi *= radians; - centroidStream.point = centroidRingPoint; - var cosPhi = cos$1(phi); - x0 = cosPhi * cos$1(lambda); - y0 = cosPhi * sin$1(lambda); - z0 = sin$1(phi); - centroidPointCartesian(x0, y0, z0); -} - -function centroidRingPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var cosPhi = cos$1(phi), - x = cosPhi * cos$1(lambda), - y = cosPhi * sin$1(lambda), - z = sin$1(phi), - cx = y0 * z - z0 * y, - cy = z0 * x - x0 * z, - cz = x0 * y - y0 * x, - m = sqrt(cx * cx + cy * cy + cz * cz), - w = asin(m), // line weight = angle - v = m && -w / m; // area weight multiplier - X2 += v * cx; - Y2 += v * cy; - Z2 += v * cz; - W1 += w; - X1 += w * (x0 + (x0 = x)); - Y1 += w * (y0 + (y0 = y)); - Z1 += w * (z0 + (z0 = z)); - centroidPointCartesian(x0, y0, z0); -} - -function centroid(object) { - W0 = W1 = - X0 = Y0 = Z0 = - X1 = Y1 = Z1 = - X2 = Y2 = Z2 = 0; - geoStream(object, centroidStream); - - var x = X2, - y = Y2, - z = Z2, - m = x * x + y * y + z * z; - - // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid. - if (m < epsilon2$1) { - x = X1, y = Y1, z = Z1; - // If the feature has zero length, fall back to arithmetic mean of point vectors. - if (W1 < epsilon$2) x = X0, y = Y0, z = Z0; - m = x * x + y * y + z * z; - // If the feature still has an undefined ccentroid, then return. - if (m < epsilon2$1) return [NaN, NaN]; - } - - return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1]; -} - -function constant$7(x) { - return function() { - return x; - }; -} - -function compose(a, b) { - - function compose(x, y) { - return x = a(x, y), b(x[0], x[1]); - } - - if (a.invert && b.invert) compose.invert = function(x, y) { - return x = b.invert(x, y), x && a.invert(x[0], x[1]); - }; - - return compose; -} - -function rotationIdentity(lambda, phi) { - return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; -} - -rotationIdentity.invert = rotationIdentity; - -function rotateRadians(deltaLambda, deltaPhi, deltaGamma) { - return (deltaLambda %= tau$3) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) - : rotationLambda(deltaLambda)) - : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) - : rotationIdentity); -} - -function forwardRotationLambda(deltaLambda) { - return function(lambda, phi) { - return lambda += deltaLambda, [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi]; - }; -} - -function rotationLambda(deltaLambda) { - var rotation = forwardRotationLambda(deltaLambda); - rotation.invert = forwardRotationLambda(-deltaLambda); - return rotation; -} - -function rotationPhiGamma(deltaPhi, deltaGamma) { - var cosDeltaPhi = cos$1(deltaPhi), - sinDeltaPhi = sin$1(deltaPhi), - cosDeltaGamma = cos$1(deltaGamma), - sinDeltaGamma = sin$1(deltaGamma); - - function rotation(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaPhi + x * sinDeltaPhi; - return [ - atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi), - asin(k * cosDeltaGamma + y * sinDeltaGamma) - ]; - } - - rotation.invert = function(lambda, phi) { - var cosPhi = cos$1(phi), - x = cos$1(lambda) * cosPhi, - y = sin$1(lambda) * cosPhi, - z = sin$1(phi), - k = z * cosDeltaGamma - y * sinDeltaGamma; - return [ - atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi), - asin(k * cosDeltaPhi - x * sinDeltaPhi) - ]; - }; - - return rotation; -} - -function rotation(rotate) { - rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0); - - function forward(coordinates) { - coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - } - - forward.invert = function(coordinates) { - coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians); - return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates; - }; - - return forward; -} - -// Generates a circle centered at [0°, 0°], with a given radius and precision. -function circleStream(stream, radius, delta, direction, t0, t1) { - if (!delta) return; - var cosRadius = cos$1(radius), - sinRadius = sin$1(radius), - step = direction * delta; - if (t0 == null) { - t0 = radius + direction * tau$3; - t1 = radius - step / 2; - } else { - t0 = circleRadius(cosRadius, t0); - t1 = circleRadius(cosRadius, t1); - if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3; - } - for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) { - point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]); - stream.point(point[0], point[1]); - } -} - -// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0]. -function circleRadius(cosRadius, point) { - point = cartesian(point), point[0] -= cosRadius; - cartesianNormalizeInPlace(point); - var radius = acos(-point[1]); - return ((-point[2] < 0 ? -radius : radius) + tau$3 - epsilon$2) % tau$3; -} - -function circle() { - var center = constant$7([0, 0]), - radius = constant$7(90), - precision = constant$7(6), - ring, - rotate, - stream = {point: point}; - - function point(x, y) { - ring.push(x = rotate(x, y)); - x[0] *= degrees$1, x[1] *= degrees$1; - } - - function circle() { - var c = center.apply(this, arguments), - r = radius.apply(this, arguments) * radians, - p = precision.apply(this, arguments) * radians; - ring = []; - rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert; - circleStream(stream, r, p, 1); - c = {type: "Polygon", coordinates: [ring]}; - ring = rotate = null; - return c; - } - - circle.center = function(_) { - return arguments.length ? (center = typeof _ === "function" ? _ : constant$7([+_[0], +_[1]]), circle) : center; - }; - - circle.radius = function(_) { - return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), circle) : radius; - }; - - circle.precision = function(_) { - return arguments.length ? (precision = typeof _ === "function" ? _ : constant$7(+_), circle) : precision; - }; - - return circle; -} - -function clipBuffer() { - var lines = [], - line; - return { - point: function(x, y) { - line.push([x, y]); - }, - lineStart: function() { - lines.push(line = []); - }, - lineEnd: noop$1, - rejoin: function() { - if (lines.length > 1) lines.push(lines.pop().concat(lines.shift())); - }, - result: function() { - var result = lines; - lines = []; - line = null; - return result; - } - }; -} - -function pointEqual(a, b) { - return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2; -} - -function Intersection(point, points, other, entry) { - this.x = point; - this.z = points; - this.o = other; // another intersection - this.e = entry; // is an entry? - this.v = false; // visited - this.n = this.p = null; // next & previous -} - -// A generalized polygon clipping algorithm: given a polygon that has been cut -// into its visible line segments, and rejoins the segments by interpolating -// along the clip edge. -function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) { - var subject = [], - clip = [], - i, - n; - - segments.forEach(function(segment) { - if ((n = segment.length - 1) <= 0) return; - var n, p0 = segment[0], p1 = segment[n], x; - - // If the first and last points of a segment are coincident, then treat as a - // closed ring. TODO if all rings are closed, then the winding order of the - // exterior ring should be checked. - if (pointEqual(p0, p1)) { - stream.lineStart(); - for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]); - stream.lineEnd(); - return; - } - - subject.push(x = new Intersection(p0, segment, null, true)); - clip.push(x.o = new Intersection(p0, null, x, false)); - subject.push(x = new Intersection(p1, segment, null, false)); - clip.push(x.o = new Intersection(p1, null, x, true)); - }); - - if (!subject.length) return; - - clip.sort(compareIntersection); - link$1(subject); - link$1(clip); - - for (i = 0, n = clip.length; i < n; ++i) { - clip[i].e = startInside = !startInside; - } - - var start = subject[0], - points, - point; - - while (1) { - // Find first unvisited intersection. - var current = start, - isSubject = true; - while (current.v) if ((current = current.n) === start) return; - points = current.z; - stream.lineStart(); - do { - current.v = current.o.v = true; - if (current.e) { - if (isSubject) { - for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.n.x, 1, stream); - } - current = current.n; - } else { - if (isSubject) { - points = current.p.z; - for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]); - } else { - interpolate(current.x, current.p.x, -1, stream); - } - current = current.p; - } - current = current.o; - points = current.z; - isSubject = !isSubject; - } while (!current.v); - stream.lineEnd(); - } -} - -function link$1(array) { - if (!(n = array.length)) return; - var n, - i = 0, - a = array[0], - b; - while (++i < n) { - a.n = b = array[i]; - b.p = a; - a = b; - } - a.n = b = array[0]; - b.p = a; -} - -var sum$1 = adder(); - -function polygonContains(polygon, point) { - var lambda = point[0], - phi = point[1], - normal = [sin$1(lambda), -cos$1(lambda), 0], - angle = 0, - winding = 0; - - sum$1.reset(); - - for (var i = 0, n = polygon.length; i < n; ++i) { - if (!(m = (ring = polygon[i]).length)) continue; - var ring, - m, - point0 = ring[m - 1], - lambda0 = point0[0], - phi0 = point0[1] / 2 + quarterPi, - sinPhi0 = sin$1(phi0), - cosPhi0 = cos$1(phi0); - - for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) { - var point1 = ring[j], - lambda1 = point1[0], - phi1 = point1[1] / 2 + quarterPi, - sinPhi1 = sin$1(phi1), - cosPhi1 = cos$1(phi1), - delta = lambda1 - lambda0, - sign$$1 = delta >= 0 ? 1 : -1, - absDelta = sign$$1 * delta, - antimeridian = absDelta > pi$3, - k = sinPhi0 * sinPhi1; - - sum$1.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta))); - angle += antimeridian ? delta + sign$$1 * tau$3 : delta; - - // Are the longitudes either side of the point’s meridian (lambda), - // and are the latitudes smaller than the parallel (phi)? - if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) { - var arc = cartesianCross(cartesian(point0), cartesian(point1)); - cartesianNormalizeInPlace(arc); - var intersection = cartesianCross(normal, arc); - cartesianNormalizeInPlace(intersection); - var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]); - if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) { - winding += antimeridian ^ delta >= 0 ? 1 : -1; - } - } - } - } - - // First, determine whether the South pole is inside or outside: - // - // It is inside if: - // * the polygon winds around it in a clockwise direction. - // * the polygon does not (cumulatively) wind around it, but has a negative - // (counter-clockwise) area. - // - // Second, count the (signed) number of times a segment crosses a lambda - // from the point to the South pole. If it is zero, then the point is the - // same side as the South pole. - - return (angle < -epsilon$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1); -} - -function clip(pointVisible, clipLine, interpolate, start) { - return function(sink) { - var line = clipLine(sink), - ringBuffer = clipBuffer(), - ringSink = clipLine(ringBuffer), - polygonStarted = false, - polygon, - segments, - ring; - - var clip = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { - clip.point = pointRing; - clip.lineStart = ringStart; - clip.lineEnd = ringEnd; - segments = []; - polygon = []; - }, - polygonEnd: function() { - clip.point = point; - clip.lineStart = lineStart; - clip.lineEnd = lineEnd; - segments = merge(segments); - var startInside = polygonContains(polygon, start); - if (segments.length) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - clipRejoin(segments, compareIntersection, startInside, interpolate, sink); - } else if (startInside) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - } - if (polygonStarted) sink.polygonEnd(), polygonStarted = false; - segments = polygon = null; - }, - sphere: function() { - sink.polygonStart(); - sink.lineStart(); - interpolate(null, null, 1, sink); - sink.lineEnd(); - sink.polygonEnd(); - } - }; - - function point(lambda, phi) { - if (pointVisible(lambda, phi)) sink.point(lambda, phi); - } - - function pointLine(lambda, phi) { - line.point(lambda, phi); - } - - function lineStart() { - clip.point = pointLine; - line.lineStart(); - } - - function lineEnd() { - clip.point = point; - line.lineEnd(); - } - - function pointRing(lambda, phi) { - ring.push([lambda, phi]); - ringSink.point(lambda, phi); - } - - function ringStart() { - ringSink.lineStart(); - ring = []; - } - - function ringEnd() { - pointRing(ring[0][0], ring[0][1]); - ringSink.lineEnd(); - - var clean = ringSink.clean(), - ringSegments = ringBuffer.result(), - i, n = ringSegments.length, m, - segment, - point; - - ring.pop(); - polygon.push(ring); - ring = null; - - if (!n) return; - - // No intersections. - if (clean & 1) { - segment = ringSegments[0]; - if ((m = segment.length - 1) > 0) { - if (!polygonStarted) sink.polygonStart(), polygonStarted = true; - sink.lineStart(); - for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]); - sink.lineEnd(); - } - return; - } - - // Rejoin connected segments. - // TODO reuse ringBuffer.rejoin()? - if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift())); - - segments.push(ringSegments.filter(validSegment)); - } - - return clip; - }; -} - -function validSegment(segment) { - return segment.length > 1; -} - -// Intersections are sorted along the clip edge. For both antimeridian cutting -// and circle clipping, the same comparison is used. -function compareIntersection(a, b) { - return ((a = a.x)[0] < 0 ? a[1] - halfPi$2 - epsilon$2 : halfPi$2 - a[1]) - - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]); -} - -var clipAntimeridian = clip( - function() { return true; }, - clipAntimeridianLine, - clipAntimeridianInterpolate, - [-pi$3, -halfPi$2] -); - -// Takes a line and cuts into visible segments. Return values: 0 - there were -// intersections or the line was empty; 1 - no intersections; 2 - there were -// intersections, and the first and last segments should be rejoined. -function clipAntimeridianLine(stream) { - var lambda0 = NaN, - phi0 = NaN, - sign0 = NaN, - clean; // no intersections - - return { - lineStart: function() { - stream.lineStart(); - clean = 1; - }, - point: function(lambda1, phi1) { - var sign1 = lambda1 > 0 ? pi$3 : -pi$3, - delta = abs(lambda1 - lambda0); - if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole - stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - stream.point(lambda1, phi0); - clean = 0; - } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian - if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies - if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2; - phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1); - stream.point(sign0, phi0); - stream.lineEnd(); - stream.lineStart(); - stream.point(sign1, phi0); - clean = 0; - } - stream.point(lambda0 = lambda1, phi0 = phi1); - sign0 = sign1; - }, - lineEnd: function() { - stream.lineEnd(); - lambda0 = phi0 = NaN; - }, - clean: function() { - return 2 - clean; // if intersections, rejoin first and last segments - } - }; -} - -function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) { - var cosPhi0, - cosPhi1, - sinLambda0Lambda1 = sin$1(lambda0 - lambda1); - return abs(sinLambda0Lambda1) > epsilon$2 - ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1) - - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0)) - / (cosPhi0 * cosPhi1 * sinLambda0Lambda1)) - : (phi0 + phi1) / 2; -} - -function clipAntimeridianInterpolate(from, to, direction, stream) { - var phi; - if (from == null) { - phi = direction * halfPi$2; - stream.point(-pi$3, phi); - stream.point(0, phi); - stream.point(pi$3, phi); - stream.point(pi$3, 0); - stream.point(pi$3, -phi); - stream.point(0, -phi); - stream.point(-pi$3, -phi); - stream.point(-pi$3, 0); - stream.point(-pi$3, phi); - } else if (abs(from[0] - to[0]) > epsilon$2) { - var lambda = from[0] < to[0] ? pi$3 : -pi$3; - phi = direction * lambda / 2; - stream.point(-lambda, phi); - stream.point(0, phi); - stream.point(lambda, phi); - } else { - stream.point(to[0], to[1]); - } -} - -function clipCircle(radius) { - var cr = cos$1(radius), - delta = 6 * radians, - smallRadius = cr > 0, - notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case - - function interpolate(from, to, direction, stream) { - circleStream(stream, radius, delta, direction, from, to); - } - - function visible(lambda, phi) { - return cos$1(lambda) * cos$1(phi) > cr; - } - - // Takes a line and cuts into visible segments. Return values used for polygon - // clipping: 0 - there were intersections or the line was empty; 1 - no - // intersections 2 - there were intersections, and the first and last segments - // should be rejoined. - function clipLine(stream) { - var point0, // previous point - c0, // code for previous point - v0, // visibility of previous point - v00, // visibility of first point - clean; // no intersections - return { - lineStart: function() { - v00 = v0 = false; - clean = 1; - }, - point: function(lambda, phi) { - var point1 = [lambda, phi], - point2, - v = visible(lambda, phi), - c = smallRadius - ? v ? 0 : code(lambda, phi) - : v ? code(lambda + (lambda < 0 ? pi$3 : -pi$3), phi) : 0; - if (!point0 && (v00 = v0 = v)) stream.lineStart(); - // Handle degeneracies. - // TODO ignore if not clipping polygons. - if (v !== v0) { - point2 = intersect(point0, point1); - if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) { - point1[0] += epsilon$2; - point1[1] += epsilon$2; - v = visible(point1[0], point1[1]); - } - } - if (v !== v0) { - clean = 0; - if (v) { - // outside going in - stream.lineStart(); - point2 = intersect(point1, point0); - stream.point(point2[0], point2[1]); - } else { - // inside going out - point2 = intersect(point0, point1); - stream.point(point2[0], point2[1]); - stream.lineEnd(); - } - point0 = point2; - } else if (notHemisphere && point0 && smallRadius ^ v) { - var t; - // If the codes for two points are different, or are both zero, - // and there this segment intersects with the small circle. - if (!(c & c0) && (t = intersect(point1, point0, true))) { - clean = 0; - if (smallRadius) { - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - } else { - stream.point(t[1][0], t[1][1]); - stream.lineEnd(); - stream.lineStart(); - stream.point(t[0][0], t[0][1]); - } - } - } - if (v && (!point0 || !pointEqual(point0, point1))) { - stream.point(point1[0], point1[1]); - } - point0 = point1, v0 = v, c0 = c; - }, - lineEnd: function() { - if (v0) stream.lineEnd(); - point0 = null; - }, - // Rejoin first and last segments if there were intersections and the first - // and last points were visible. - clean: function() { - return clean | ((v00 && v0) << 1); - } - }; - } - - // Intersects the great circle between a and b with the clip circle. - function intersect(a, b, two) { - var pa = cartesian(a), - pb = cartesian(b); - - // We have two planes, n1.p = d1 and n2.p = d2. - // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2). - var n1 = [1, 0, 0], // normal - n2 = cartesianCross(pa, pb), - n2n2 = cartesianDot(n2, n2), - n1n2 = n2[0], // cartesianDot(n1, n2), - determinant = n2n2 - n1n2 * n1n2; - - // Two polar points. - if (!determinant) return !two && a; - - var c1 = cr * n2n2 / determinant, - c2 = -cr * n1n2 / determinant, - n1xn2 = cartesianCross(n1, n2), - A = cartesianScale(n1, c1), - B = cartesianScale(n2, c2); - cartesianAddInPlace(A, B); - - // Solve |p(t)|^2 = 1. - var u = n1xn2, - w = cartesianDot(A, u), - uu = cartesianDot(u, u), - t2 = w * w - uu * (cartesianDot(A, A) - 1); - - if (t2 < 0) return; - - var t = sqrt(t2), - q = cartesianScale(u, (-w - t) / uu); - cartesianAddInPlace(q, A); - q = spherical(q); - - if (!two) return q; - - // Two intersection points. - var lambda0 = a[0], - lambda1 = b[0], - phi0 = a[1], - phi1 = b[1], - z; - - if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z; - - var delta = lambda1 - lambda0, - polar = abs(delta - pi$3) < epsilon$2, - meridian = polar || delta < epsilon$2; - - if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z; - - // Check that the first point is between a and b. - if (meridian - ? polar - ? phi0 + phi1 > 0 ^ q[1] < (abs(q[0] - lambda0) < epsilon$2 ? phi0 : phi1) - : phi0 <= q[1] && q[1] <= phi1 - : delta > pi$3 ^ (lambda0 <= q[0] && q[0] <= lambda1)) { - var q1 = cartesianScale(u, (-w + t) / uu); - cartesianAddInPlace(q1, A); - return [q, spherical(q1)]; - } - } - - // Generates a 4-bit vector representing the location of a point relative to - // the small circle's bounding box. - function code(lambda, phi) { - var r = smallRadius ? radius : pi$3 - radius, - code = 0; - if (lambda < -r) code |= 1; // left - else if (lambda > r) code |= 2; // right - if (phi < -r) code |= 4; // below - else if (phi > r) code |= 8; // above - return code; - } - - return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi$3, radius - pi$3]); -} - -function clipLine(a, b, x0, y0, x1, y1) { - var ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy; - if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy; - return true; -} - -var clipMax = 1e9; -var clipMin = -clipMax; - -// TODO Use d3-polygon’s polygonContains here for the ring check? -// TODO Eliminate duplicate buffering in clipBuffer and polygon.push? - -function clipRectangle(x0, y0, x1, y1) { - - function visible(x, y) { - return x0 <= x && x <= x1 && y0 <= y && y <= y1; - } - - function interpolate(from, to, direction, stream) { - var a = 0, a1 = 0; - if (from == null - || (a = corner(from, direction)) !== (a1 = corner(to, direction)) - || comparePoint(from, to) < 0 ^ direction > 0) { - do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0); - while ((a = (a + direction + 4) % 4) !== a1); - } else { - stream.point(to[0], to[1]); - } - } - - function corner(p, direction) { - return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3 - : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1 - : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0 - : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon - } - - function compareIntersection(a, b) { - return comparePoint(a.x, b.x); - } - - function comparePoint(a, b) { - var ca = corner(a, 1), - cb = corner(b, 1); - return ca !== cb ? ca - cb - : ca === 0 ? b[1] - a[1] - : ca === 1 ? a[0] - b[0] - : ca === 2 ? a[1] - b[1] - : b[0] - a[0]; - } - - return function(stream) { - var activeStream = stream, - bufferStream = clipBuffer(), - segments, - polygon, - ring, - x__, y__, v__, // first point - x_, y_, v_, // previous point - first, - clean; - - var clipStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: polygonStart, - polygonEnd: polygonEnd - }; - - function point(x, y) { - if (visible(x, y)) activeStream.point(x, y); - } - - function polygonInside() { - var winding = 0; - - for (var i = 0, n = polygon.length; i < n; ++i) { - for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) { - a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1]; - if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; } - else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; } - } - } - - return winding; - } - - // Buffer geometry within a polygon and then clip it en masse. - function polygonStart() { - activeStream = bufferStream, segments = [], polygon = [], clean = true; - } - - function polygonEnd() { - var startInside = polygonInside(), - cleanInside = clean && startInside, - visible = (segments = merge(segments)).length; - if (cleanInside || visible) { - stream.polygonStart(); - if (cleanInside) { - stream.lineStart(); - interpolate(null, null, 1, stream); - stream.lineEnd(); - } - if (visible) { - clipRejoin(segments, compareIntersection, startInside, interpolate, stream); - } - stream.polygonEnd(); - } - activeStream = stream, segments = polygon = ring = null; - } - - function lineStart() { - clipStream.point = linePoint; - if (polygon) polygon.push(ring = []); - first = true; - v_ = false; - x_ = y_ = NaN; - } - - // TODO rather than special-case polygons, simply handle them separately. - // Ideally, coincident intersection points should be jittered to avoid - // clipping issues. - function lineEnd() { - if (segments) { - linePoint(x__, y__); - if (v__ && v_) bufferStream.rejoin(); - segments.push(bufferStream.result()); - } - clipStream.point = point; - if (v_) activeStream.lineEnd(); - } - - function linePoint(x, y) { - var v = visible(x, y); - if (polygon) ring.push([x, y]); - if (first) { - x__ = x, y__ = y, v__ = v; - first = false; - if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - } - } else { - if (v && v_) activeStream.point(x, y); - else { - var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], - b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))]; - if (clipLine(a, b, x0, y0, x1, y1)) { - if (!v_) { - activeStream.lineStart(); - activeStream.point(a[0], a[1]); - } - activeStream.point(b[0], b[1]); - if (!v) activeStream.lineEnd(); - clean = false; - } else if (v) { - activeStream.lineStart(); - activeStream.point(x, y); - clean = false; - } - } - } - x_ = x, y_ = y, v_ = v; - } - - return clipStream; - }; -} - -function extent$1() { - var x0 = 0, - y0 = 0, - x1 = 960, - y1 = 500, - cache, - cacheStream, - clip; - - return clip = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream); - }, - extent: function(_) { - return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]]; - } - }; -} - -var lengthSum = adder(); -var lambda0$2; -var sinPhi0$1; -var cosPhi0$1; - -var lengthStream = { - sphere: noop$1, - point: noop$1, - lineStart: lengthLineStart, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1 -}; - -function lengthLineStart() { - lengthStream.point = lengthPointFirst; - lengthStream.lineEnd = lengthLineEnd; -} - -function lengthLineEnd() { - lengthStream.point = lengthStream.lineEnd = noop$1; -} - -function lengthPointFirst(lambda, phi) { - lambda *= radians, phi *= radians; - lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi); - lengthStream.point = lengthPoint; -} - -function lengthPoint(lambda, phi) { - lambda *= radians, phi *= radians; - var sinPhi = sin$1(phi), - cosPhi = cos$1(phi), - delta = abs(lambda - lambda0$2), - cosDelta = cos$1(delta), - sinDelta = sin$1(delta), - x = cosPhi * sinDelta, - y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta, - z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta; - lengthSum.add(atan2(sqrt(x * x + y * y), z)); - lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi; -} - -function length$1(object) { - lengthSum.reset(); - geoStream(object, lengthStream); - return +lengthSum; -} - -var coordinates = [null, null]; -var object$1 = {type: "LineString", coordinates: coordinates}; - -function distance(a, b) { - coordinates[0] = a; - coordinates[1] = b; - return length$1(object$1); -} - -var containsObjectType = { - Feature: function(object, point) { - return containsGeometry(object.geometry, point); - }, - FeatureCollection: function(object, point) { - var features = object.features, i = -1, n = features.length; - while (++i < n) if (containsGeometry(features[i].geometry, point)) return true; - return false; - } -}; - -var containsGeometryType = { - Sphere: function() { - return true; - }, - Point: function(object, point) { - return containsPoint(object.coordinates, point); - }, - MultiPoint: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPoint(coordinates[i], point)) return true; - return false; - }, - LineString: function(object, point) { - return containsLine(object.coordinates, point); - }, - MultiLineString: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsLine(coordinates[i], point)) return true; - return false; - }, - Polygon: function(object, point) { - return containsPolygon(object.coordinates, point); - }, - MultiPolygon: function(object, point) { - var coordinates = object.coordinates, i = -1, n = coordinates.length; - while (++i < n) if (containsPolygon(coordinates[i], point)) return true; - return false; - }, - GeometryCollection: function(object, point) { - var geometries = object.geometries, i = -1, n = geometries.length; - while (++i < n) if (containsGeometry(geometries[i], point)) return true; - return false; - } -}; - -function containsGeometry(geometry, point) { - return geometry && containsGeometryType.hasOwnProperty(geometry.type) - ? containsGeometryType[geometry.type](geometry, point) - : false; -} - -function containsPoint(coordinates, point) { - return distance(coordinates, point) === 0; -} - -function containsLine(coordinates, point) { - var ab = distance(coordinates[0], coordinates[1]), - ao = distance(coordinates[0], point), - ob = distance(point, coordinates[1]); - return ao + ob <= ab + epsilon$2; -} - -function containsPolygon(coordinates, point) { - return !!polygonContains(coordinates.map(ringRadians), pointRadians(point)); -} - -function ringRadians(ring) { - return ring = ring.map(pointRadians), ring.pop(), ring; -} - -function pointRadians(point) { - return [point[0] * radians, point[1] * radians]; -} - -function contains(object, point) { - return (object && containsObjectType.hasOwnProperty(object.type) - ? containsObjectType[object.type] - : containsGeometry)(object, point); -} - -function graticuleX(y0, y1, dy) { - var y = sequence(y0, y1 - epsilon$2, dy).concat(y1); - return function(x) { return y.map(function(y) { return [x, y]; }); }; -} - -function graticuleY(x0, x1, dx) { - var x = sequence(x0, x1 - epsilon$2, dx).concat(x1); - return function(y) { return x.map(function(x) { return [x, y]; }); }; -} - -function graticule() { - var x1, x0, X1, X0, - y1, y0, Y1, Y0, - dx = 10, dy = dx, DX = 90, DY = 360, - x, y, X, Y, - precision = 2.5; - - function graticule() { - return {type: "MultiLineString", coordinates: lines()}; - } - - function lines() { - return sequence(ceil(X0 / DX) * DX, X1, DX).map(X) - .concat(sequence(ceil(Y0 / DY) * DY, Y1, DY).map(Y)) - .concat(sequence(ceil(x0 / dx) * dx, x1, dx).filter(function(x) { return abs(x % DX) > epsilon$2; }).map(x)) - .concat(sequence(ceil(y0 / dy) * dy, y1, dy).filter(function(y) { return abs(y % DY) > epsilon$2; }).map(y)); - } - - graticule.lines = function() { - return lines().map(function(coordinates) { return {type: "LineString", coordinates: coordinates}; }); - }; - - graticule.outline = function() { - return { - type: "Polygon", - coordinates: [ - X(X0).concat( - Y(Y1).slice(1), - X(X1).reverse().slice(1), - Y(Y0).reverse().slice(1)) - ] - }; - }; - - graticule.extent = function(_) { - if (!arguments.length) return graticule.extentMinor(); - return graticule.extentMajor(_).extentMinor(_); - }; - - graticule.extentMajor = function(_) { - if (!arguments.length) return [[X0, Y0], [X1, Y1]]; - X0 = +_[0][0], X1 = +_[1][0]; - Y0 = +_[0][1], Y1 = +_[1][1]; - if (X0 > X1) _ = X0, X0 = X1, X1 = _; - if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _; - return graticule.precision(precision); - }; - - graticule.extentMinor = function(_) { - if (!arguments.length) return [[x0, y0], [x1, y1]]; - x0 = +_[0][0], x1 = +_[1][0]; - y0 = +_[0][1], y1 = +_[1][1]; - if (x0 > x1) _ = x0, x0 = x1, x1 = _; - if (y0 > y1) _ = y0, y0 = y1, y1 = _; - return graticule.precision(precision); - }; - - graticule.step = function(_) { - if (!arguments.length) return graticule.stepMinor(); - return graticule.stepMajor(_).stepMinor(_); - }; - - graticule.stepMajor = function(_) { - if (!arguments.length) return [DX, DY]; - DX = +_[0], DY = +_[1]; - return graticule; - }; - - graticule.stepMinor = function(_) { - if (!arguments.length) return [dx, dy]; - dx = +_[0], dy = +_[1]; - return graticule; - }; - - graticule.precision = function(_) { - if (!arguments.length) return precision; - precision = +_; - x = graticuleX(y0, y1, 90); - y = graticuleY(x0, x1, precision); - X = graticuleX(Y0, Y1, 90); - Y = graticuleY(X0, X1, precision); - return graticule; - }; - - return graticule - .extentMajor([[-180, -90 + epsilon$2], [180, 90 - epsilon$2]]) - .extentMinor([[-180, -80 - epsilon$2], [180, 80 + epsilon$2]]); -} - -function graticule10() { - return graticule()(); -} - -function interpolate$1(a, b) { - var x0 = a[0] * radians, - y0 = a[1] * radians, - x1 = b[0] * radians, - y1 = b[1] * radians, - cy0 = cos$1(y0), - sy0 = sin$1(y0), - cy1 = cos$1(y1), - sy1 = sin$1(y1), - kx0 = cy0 * cos$1(x0), - ky0 = cy0 * sin$1(x0), - kx1 = cy1 * cos$1(x1), - ky1 = cy1 * sin$1(x1), - d = 2 * asin(sqrt(haversin(y1 - y0) + cy0 * cy1 * haversin(x1 - x0))), - k = sin$1(d); - - var interpolate = d ? function(t) { - var B = sin$1(t *= d) / k, - A = sin$1(d - t) / k, - x = A * kx0 + B * kx1, - y = A * ky0 + B * ky1, - z = A * sy0 + B * sy1; - return [ - atan2(y, x) * degrees$1, - atan2(z, sqrt(x * x + y * y)) * degrees$1 - ]; - } : function() { - return [x0 * degrees$1, y0 * degrees$1]; - }; - - interpolate.distance = d; - - return interpolate; -} - -function identity$4(x) { - return x; -} - -var areaSum$1 = adder(); -var areaRingSum$1 = adder(); -var x00; -var y00; -var x0$1; -var y0$1; - -var areaStream$1 = { - point: noop$1, - lineStart: noop$1, - lineEnd: noop$1, - polygonStart: function() { - areaStream$1.lineStart = areaRingStart$1; - areaStream$1.lineEnd = areaRingEnd$1; - }, - polygonEnd: function() { - areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$1; - areaSum$1.add(abs(areaRingSum$1)); - areaRingSum$1.reset(); - }, - result: function() { - var area = areaSum$1 / 2; - areaSum$1.reset(); - return area; - } -}; - -function areaRingStart$1() { - areaStream$1.point = areaPointFirst$1; -} - -function areaPointFirst$1(x, y) { - areaStream$1.point = areaPoint$1; - x00 = x0$1 = x, y00 = y0$1 = y; -} - -function areaPoint$1(x, y) { - areaRingSum$1.add(y0$1 * x - x0$1 * y); - x0$1 = x, y0$1 = y; -} - -function areaRingEnd$1() { - areaPoint$1(x00, y00); -} - -var x0$2 = Infinity; -var y0$2 = x0$2; -var x1 = -x0$2; -var y1 = x1; - -var boundsStream$1 = { - point: boundsPoint$1, - lineStart: noop$1, - lineEnd: noop$1, - polygonStart: noop$1, - polygonEnd: noop$1, - result: function() { - var bounds = [[x0$2, y0$2], [x1, y1]]; - x1 = y1 = -(y0$2 = x0$2 = Infinity); - return bounds; - } -}; - -function boundsPoint$1(x, y) { - if (x < x0$2) x0$2 = x; - if (x > x1) x1 = x; - if (y < y0$2) y0$2 = y; - if (y > y1) y1 = y; -} - -// TODO Enforce positive area for exterior, negative area for interior? - -var X0$1 = 0; -var Y0$1 = 0; -var Z0$1 = 0; -var X1$1 = 0; -var Y1$1 = 0; -var Z1$1 = 0; -var X2$1 = 0; -var Y2$1 = 0; -var Z2$1 = 0; -var x00$1; -var y00$1; -var x0$3; -var y0$3; - -var centroidStream$1 = { - point: centroidPoint$1, - lineStart: centroidLineStart$1, - lineEnd: centroidLineEnd$1, - polygonStart: function() { - centroidStream$1.lineStart = centroidRingStart$1; - centroidStream$1.lineEnd = centroidRingEnd$1; - }, - polygonEnd: function() { - centroidStream$1.point = centroidPoint$1; - centroidStream$1.lineStart = centroidLineStart$1; - centroidStream$1.lineEnd = centroidLineEnd$1; - }, - result: function() { - var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1] - : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1] - : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1] - : [NaN, NaN]; - X0$1 = Y0$1 = Z0$1 = - X1$1 = Y1$1 = Z1$1 = - X2$1 = Y2$1 = Z2$1 = 0; - return centroid; - } -}; - -function centroidPoint$1(x, y) { - X0$1 += x; - Y0$1 += y; - ++Z0$1; -} - -function centroidLineStart$1() { - centroidStream$1.point = centroidPointFirstLine; -} - -function centroidPointFirstLine(x, y) { - centroidStream$1.point = centroidPointLine; - centroidPoint$1(x0$3 = x, y0$3 = y); -} - -function centroidPointLine(x, y) { - var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy); - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - centroidPoint$1(x0$3 = x, y0$3 = y); -} - -function centroidLineEnd$1() { - centroidStream$1.point = centroidPoint$1; -} - -function centroidRingStart$1() { - centroidStream$1.point = centroidPointFirstRing; -} - -function centroidRingEnd$1() { - centroidPointRing(x00$1, y00$1); -} - -function centroidPointFirstRing(x, y) { - centroidStream$1.point = centroidPointRing; - centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y); -} - -function centroidPointRing(x, y) { - var dx = x - x0$3, - dy = y - y0$3, - z = sqrt(dx * dx + dy * dy); - - X1$1 += z * (x0$3 + x) / 2; - Y1$1 += z * (y0$3 + y) / 2; - Z1$1 += z; - - z = y0$3 * x - x0$3 * y; - X2$1 += z * (x0$3 + x); - Y2$1 += z * (y0$3 + y); - Z2$1 += z * 3; - centroidPoint$1(x0$3 = x, y0$3 = y); -} - -function PathContext(context) { - this._context = context; -} - -PathContext.prototype = { - _radius: 4.5, - pointRadius: function(_) { - return this._radius = _, this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._context.closePath(); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._context.moveTo(x, y); - this._point = 1; - break; - } - case 1: { - this._context.lineTo(x, y); - break; - } - default: { - this._context.moveTo(x + this._radius, y); - this._context.arc(x, y, this._radius, 0, tau$3); - break; - } - } - }, - result: noop$1 -}; - -var lengthSum$1 = adder(); -var lengthRing; -var x00$2; -var y00$2; -var x0$4; -var y0$4; - -var lengthStream$1 = { - point: noop$1, - lineStart: function() { - lengthStream$1.point = lengthPointFirst$1; - }, - lineEnd: function() { - if (lengthRing) lengthPoint$1(x00$2, y00$2); - lengthStream$1.point = noop$1; - }, - polygonStart: function() { - lengthRing = true; - }, - polygonEnd: function() { - lengthRing = null; - }, - result: function() { - var length = +lengthSum$1; - lengthSum$1.reset(); - return length; - } -}; - -function lengthPointFirst$1(x, y) { - lengthStream$1.point = lengthPoint$1; - x00$2 = x0$4 = x, y00$2 = y0$4 = y; -} - -function lengthPoint$1(x, y) { - x0$4 -= x, y0$4 -= y; - lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4)); - x0$4 = x, y0$4 = y; -} - -function PathString() { - this._string = []; -} - -PathString.prototype = { - _radius: 4.5, - _circle: circle$1(4.5), - pointRadius: function(_) { - if ((_ = +_) !== this._radius) this._radius = _, this._circle = null; - return this; - }, - polygonStart: function() { - this._line = 0; - }, - polygonEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line === 0) this._string.push("Z"); - this._point = NaN; - }, - point: function(x, y) { - switch (this._point) { - case 0: { - this._string.push("M", x, ",", y); - this._point = 1; - break; - } - case 1: { - this._string.push("L", x, ",", y); - break; - } - default: { - if (this._circle == null) this._circle = circle$1(this._radius); - this._string.push("M", x, ",", y, this._circle); - break; - } - } - }, - result: function() { - if (this._string.length) { - var result = this._string.join(""); - this._string = []; - return result; - } else { - return null; - } - } -}; - -function circle$1(radius) { - return "m0," + radius - + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius - + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius - + "z"; -} - -function index$1(projection, context) { - var pointRadius = 4.5, - projectionStream, - contextStream; - - function path(object) { - if (object) { - if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments)); - geoStream(object, projectionStream(contextStream)); - } - return contextStream.result(); - } - - path.area = function(object) { - geoStream(object, projectionStream(areaStream$1)); - return areaStream$1.result(); - }; - - path.measure = function(object) { - geoStream(object, projectionStream(lengthStream$1)); - return lengthStream$1.result(); - }; - - path.bounds = function(object) { - geoStream(object, projectionStream(boundsStream$1)); - return boundsStream$1.result(); - }; - - path.centroid = function(object) { - geoStream(object, projectionStream(centroidStream$1)); - return centroidStream$1.result(); - }; - - path.projection = function(_) { - return arguments.length ? (projectionStream = _ == null ? (projection = null, identity$4) : (projection = _).stream, path) : projection; - }; - - path.context = function(_) { - if (!arguments.length) return context; - contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _); - if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius); - return path; - }; - - path.pointRadius = function(_) { - if (!arguments.length) return pointRadius; - pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_); - return path; - }; - - return path.projection(projection).context(context); -} - -function transform(methods) { - return { - stream: transformer(methods) - }; -} - -function transformer(methods) { - return function(stream) { - var s = new TransformStream; - for (var key in methods) s[key] = methods[key]; - s.stream = stream; - return s; - }; -} - -function TransformStream() {} - -TransformStream.prototype = { - constructor: TransformStream, - point: function(x, y) { this.stream.point(x, y); }, - sphere: function() { this.stream.sphere(); }, - lineStart: function() { this.stream.lineStart(); }, - lineEnd: function() { this.stream.lineEnd(); }, - polygonStart: function() { this.stream.polygonStart(); }, - polygonEnd: function() { this.stream.polygonEnd(); } -}; - -function fit(projection, fitBounds, object) { - var clip = projection.clipExtent && projection.clipExtent(); - projection.scale(150).translate([0, 0]); - if (clip != null) projection.clipExtent(null); - geoStream(object, projection.stream(boundsStream$1)); - fitBounds(boundsStream$1.result()); - if (clip != null) projection.clipExtent(clip); - return projection; -} - -function fitExtent(projection, extent, object) { - return fit(projection, function(b) { - var w = extent[1][0] - extent[0][0], - h = extent[1][1] - extent[0][1], - k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), - x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, - y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); -} - -function fitSize(projection, size, object) { - return fitExtent(projection, [[0, 0], size], object); -} - -function fitWidth(projection, width, object) { - return fit(projection, function(b) { - var w = +width, - k = w / (b[1][0] - b[0][0]), - x = (w - k * (b[1][0] + b[0][0])) / 2, - y = -k * b[0][1]; - projection.scale(150 * k).translate([x, y]); - }, object); -} - -function fitHeight(projection, height, object) { - return fit(projection, function(b) { - var h = +height, - k = h / (b[1][1] - b[0][1]), - x = -k * b[0][0], - y = (h - k * (b[1][1] + b[0][1])) / 2; - projection.scale(150 * k).translate([x, y]); - }, object); -} - -var maxDepth = 16; -var cosMinDistance = cos$1(30 * radians); // cos(minimum angular distance) - -function resample(project, delta2) { - return +delta2 ? resample$1(project, delta2) : resampleNone(project); -} - -function resampleNone(project) { - return transformer({ - point: function(x, y) { - x = project(x, y); - this.stream.point(x[0], x[1]); - } - }); -} - -function resample$1(project, delta2) { - - function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) { - var dx = x1 - x0, - dy = y1 - y0, - d2 = dx * dx + dy * dy; - if (d2 > 4 * delta2 && depth--) { - var a = a0 + a1, - b = b0 + b1, - c = c0 + c1, - m = sqrt(a * a + b * b + c * c), - phi2 = asin(c /= m), - lambda2 = abs(abs(c) - 1) < epsilon$2 || abs(lambda0 - lambda1) < epsilon$2 ? (lambda0 + lambda1) / 2 : atan2(b, a), - p = project(lambda2, phi2), - x2 = p[0], - y2 = p[1], - dx2 = x2 - x0, - dy2 = y2 - y0, - dz = dy * dx2 - dx * dy2; - if (dz * dz / d2 > delta2 // perpendicular projected distance - || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end - || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream); - stream.point(x2, y2); - resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream); - } - } - } - return function(stream) { - var lambda00, x00, y00, a00, b00, c00, // first point - lambda0, x0, y0, a0, b0, c0; // previous point - - var resampleStream = { - point: point, - lineStart: lineStart, - lineEnd: lineEnd, - polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; }, - polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; } - }; - - function point(x, y) { - x = project(x, y); - stream.point(x[0], x[1]); - } - - function lineStart() { - x0 = NaN; - resampleStream.point = linePoint; - stream.lineStart(); - } - - function linePoint(lambda, phi) { - var c = cartesian([lambda, phi]), p = project(lambda, phi); - 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); - stream.point(x0, y0); - } - - function lineEnd() { - resampleStream.point = point; - stream.lineEnd(); - } - - function ringStart() { - lineStart(); - resampleStream.point = ringPoint; - resampleStream.lineEnd = ringEnd; - } - - function ringPoint(lambda, phi) { - linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0; - resampleStream.point = linePoint; - } - - function ringEnd() { - resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream); - resampleStream.lineEnd = lineEnd; - lineEnd(); - } - - return resampleStream; - }; -} - -var transformRadians = transformer({ - point: function(x, y) { - this.stream.point(x * radians, y * radians); - } -}); - -function transformRotate(rotate) { - return transformer({ - point: function(x, y) { - var r = rotate(x, y); - return this.stream.point(r[0], r[1]); - } - }); -} - -function projection(project) { - return projectionMutator(function() { return project; })(); -} - -function projectionMutator(projectAt) { - var project, - k = 150, // scale - x = 480, y = 250, // translate - dx, dy, lambda = 0, phi = 0, // center - deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, projectRotate, // rotate - theta = null, preclip = clipAntimeridian, // clip angle - x0 = null, y0, x1, y1, postclip = identity$4, // clip extent - delta2 = 0.5, projectResample = resample(projectTransform, delta2), // precision - cache, - cacheStream; - - function projection(point) { - point = projectRotate(point[0] * radians, point[1] * radians); - return [point[0] * k + dx, dy - point[1] * k]; - } - - function invert(point) { - point = projectRotate.invert((point[0] - dx) / k, (dy - point[1]) / k); - return point && [point[0] * degrees$1, point[1] * degrees$1]; - } - - function projectTransform(x, y) { - return x = project(x, y), [x[0] * k + dx, dy - x[1] * k]; - } - - projection.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream))))); - }; - - projection.preclip = function(_) { - return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip; - }; - - projection.postclip = function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }; - - projection.clipAngle = function(_) { - return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees$1; - }; - - projection.clipExtent = function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }; - - projection.scale = function(_) { - return arguments.length ? (k = +_, recenter()) : k; - }; - - projection.translate = function(_) { - return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y]; - }; - - projection.center = function(_) { - return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees$1, phi * degrees$1]; - }; - - projection.rotate = function(_) { - return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees$1, deltaPhi * degrees$1, deltaGamma * degrees$1]; - }; - - projection.precision = function(_) { - return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2); - }; - - projection.fitExtent = function(extent, object) { - return fitExtent(projection, extent, object); - }; - - projection.fitSize = function(size, object) { - return fitSize(projection, size, object); - }; - - projection.fitWidth = function(width, object) { - return fitWidth(projection, width, object); - }; - - projection.fitHeight = function(height, object) { - return fitHeight(projection, height, object); - }; - - function recenter() { - projectRotate = compose(rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma), project); - var center = project(lambda, phi); - dx = x - center[0] * k; - dy = y + center[1] * k; - return reset(); - } - - function reset() { - cache = cacheStream = null; - return projection; - } - - return function() { - project = projectAt.apply(this, arguments); - projection.invert = project.invert && invert; - return recenter(); - }; -} - -function conicProjection(projectAt) { - var phi0 = 0, - phi1 = pi$3 / 3, - m = projectionMutator(projectAt), - p = m(phi0, phi1); - - p.parallels = function(_) { - return arguments.length ? m(phi0 = _[0] * radians, phi1 = _[1] * radians) : [phi0 * degrees$1, phi1 * degrees$1]; - }; - - return p; -} - -function cylindricalEqualAreaRaw(phi0) { - var cosPhi0 = cos$1(phi0); - - function forward(lambda, phi) { - return [lambda * cosPhi0, sin$1(phi) / cosPhi0]; - } - - forward.invert = function(x, y) { - return [x / cosPhi0, asin(y * cosPhi0)]; - }; - - return forward; -} - -function conicEqualAreaRaw(y0, y1) { - var sy0 = sin$1(y0), n = (sy0 + sin$1(y1)) / 2; - - // Are the parallels symmetrical around the Equator? - if (abs(n) < epsilon$2) return cylindricalEqualAreaRaw(y0); - - var c = 1 + sy0 * (2 * n - sy0), r0 = sqrt(c) / n; - - function project(x, y) { - var r = sqrt(c - 2 * n * sin$1(y)) / n; - return [r * sin$1(x *= n), r0 - r * cos$1(x)]; - } - - project.invert = function(x, y) { - var r0y = r0 - y; - return [atan2(x, abs(r0y)) / n * sign(r0y), asin((c - (x * x + r0y * r0y) * n * n) / (2 * n))]; - }; - - return project; -} - -function conicEqualArea() { - return conicProjection(conicEqualAreaRaw) - .scale(155.424) - .center([0, 33.6442]); -} - -function albers() { - return conicEqualArea() - .parallels([29.5, 45.5]) - .scale(1070) - .translate([480, 250]) - .rotate([96, 0]) - .center([-0.6, 38.7]); -} - -// The projections must have mutually exclusive clip regions on the sphere, -// as this will avoid emitting interleaving lines and polygons. -function multiplex(streams) { - var n = streams.length; - return { - point: function(x, y) { var i = -1; while (++i < n) streams[i].point(x, y); }, - sphere: function() { var i = -1; while (++i < n) streams[i].sphere(); }, - lineStart: function() { var i = -1; while (++i < n) streams[i].lineStart(); }, - lineEnd: function() { var i = -1; while (++i < n) streams[i].lineEnd(); }, - polygonStart: function() { var i = -1; while (++i < n) streams[i].polygonStart(); }, - polygonEnd: function() { var i = -1; while (++i < n) streams[i].polygonEnd(); } - }; -} - -// A composite projection for the United States, configured by default for -// 960×500. The projection also works quite well at 960×600 if you change the -// scale to 1285 and adjust the translate accordingly. The set of standard -// parallels for each region comes from USGS, which is published here: -// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers -function albersUsa() { - var cache, - cacheStream, - lower48 = albers(), lower48Point, - alaska = conicEqualArea().rotate([154, 0]).center([-2, 58.5]).parallels([55, 65]), alaskaPoint, // EPSG:3338 - hawaii = conicEqualArea().rotate([157, 0]).center([-3, 19.9]).parallels([8, 18]), hawaiiPoint, // ESRI:102007 - point, pointStream = {point: function(x, y) { point = [x, y]; }}; - - function albersUsa(coordinates) { - var x = coordinates[0], y = coordinates[1]; - return point = null, (lower48Point.point(x, y), point) - || (alaskaPoint.point(x, y), point) - || (hawaiiPoint.point(x, y), point); - } - - albersUsa.invert = function(coordinates) { - var k = lower48.scale(), - t = lower48.translate(), - x = (coordinates[0] - t[0]) / k, - y = (coordinates[1] - t[1]) / k; - return (y >= 0.120 && y < 0.234 && x >= -0.425 && x < -0.214 ? alaska - : y >= 0.166 && y < 0.234 && x >= -0.214 && x < -0.115 ? hawaii - : lower48).invert(coordinates); - }; - - albersUsa.stream = function(stream) { - return cache && cacheStream === stream ? cache : cache = multiplex([lower48.stream(cacheStream = stream), alaska.stream(stream), hawaii.stream(stream)]); - }; - - albersUsa.precision = function(_) { - if (!arguments.length) return lower48.precision(); - lower48.precision(_), alaska.precision(_), hawaii.precision(_); - return reset(); - }; - - albersUsa.scale = function(_) { - if (!arguments.length) return lower48.scale(); - lower48.scale(_), alaska.scale(_ * 0.35), hawaii.scale(_); - return albersUsa.translate(lower48.translate()); - }; - - albersUsa.translate = function(_) { - if (!arguments.length) return lower48.translate(); - var k = lower48.scale(), x = +_[0], y = +_[1]; - - lower48Point = lower48 - .translate(_) - .clipExtent([[x - 0.455 * k, y - 0.238 * k], [x + 0.455 * k, y + 0.238 * k]]) - .stream(pointStream); - - alaskaPoint = alaska - .translate([x - 0.307 * k, y + 0.201 * k]) - .clipExtent([[x - 0.425 * k + epsilon$2, y + 0.120 * k + epsilon$2], [x - 0.214 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) - .stream(pointStream); - - hawaiiPoint = hawaii - .translate([x - 0.205 * k, y + 0.212 * k]) - .clipExtent([[x - 0.214 * k + epsilon$2, y + 0.166 * k + epsilon$2], [x - 0.115 * k - epsilon$2, y + 0.234 * k - epsilon$2]]) - .stream(pointStream); - - return reset(); - }; - - albersUsa.fitExtent = function(extent, object) { - return fitExtent(albersUsa, extent, object); - }; - - albersUsa.fitSize = function(size, object) { - return fitSize(albersUsa, size, object); - }; - - albersUsa.fitWidth = function(width, object) { - return fitWidth(albersUsa, width, object); - }; - - albersUsa.fitHeight = function(height, object) { - return fitHeight(albersUsa, height, object); - }; - - function reset() { - cache = cacheStream = null; - return albersUsa; - } - - return albersUsa.scale(1070); -} - -function azimuthalRaw(scale) { - return function(x, y) { - var cx = cos$1(x), - cy = cos$1(y), - k = scale(cx * cy); - return [ - k * cy * sin$1(x), - k * sin$1(y) - ]; - } -} - -function azimuthalInvert(angle) { - return function(x, y) { - var z = sqrt(x * x + y * y), - c = angle(z), - sc = sin$1(c), - cc = cos$1(c); - return [ - atan2(x * sc, z * cc), - asin(z && y * sc / z) - ]; - } -} - -var azimuthalEqualAreaRaw = azimuthalRaw(function(cxcy) { - return sqrt(2 / (1 + cxcy)); -}); - -azimuthalEqualAreaRaw.invert = azimuthalInvert(function(z) { - return 2 * asin(z / 2); -}); - -function azimuthalEqualArea() { - return projection(azimuthalEqualAreaRaw) - .scale(124.75) - .clipAngle(180 - 1e-3); -} - -var azimuthalEquidistantRaw = azimuthalRaw(function(c) { - return (c = acos(c)) && c / sin$1(c); -}); - -azimuthalEquidistantRaw.invert = azimuthalInvert(function(z) { - return z; -}); - -function azimuthalEquidistant() { - return projection(azimuthalEquidistantRaw) - .scale(79.4188) - .clipAngle(180 - 1e-3); -} - -function mercatorRaw(lambda, phi) { - return [lambda, log(tan((halfPi$2 + phi) / 2))]; -} - -mercatorRaw.invert = function(x, y) { - return [x, 2 * atan(exp(y)) - halfPi$2]; -}; - -function mercator() { - return mercatorProjection(mercatorRaw) - .scale(961 / tau$3); -} - -function mercatorProjection(project) { - var m = projection(project), - center = m.center, - scale = m.scale, - translate = m.translate, - clipExtent = m.clipExtent, - x0 = null, y0, x1, y1; // clip extent - - m.scale = function(_) { - return arguments.length ? (scale(_), reclip()) : scale(); - }; - - m.translate = function(_) { - return arguments.length ? (translate(_), reclip()) : translate(); - }; - - m.center = function(_) { - return arguments.length ? (center(_), reclip()) : center(); - }; - - m.clipExtent = function(_) { - 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]]; - }; - - function reclip() { - var k = pi$3 * scale(), - t = m(rotation(m.rotate()).invert([0, 0])); - return clipExtent(x0 == null - ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw - ? [[Math.max(t[0] - k, x0), y0], [Math.min(t[0] + k, x1), y1]] - : [[x0, Math.max(t[1] - k, y0)], [x1, Math.min(t[1] + k, y1)]]); - } - - return reclip(); -} - -function tany(y) { - return tan((halfPi$2 + y) / 2); -} - -function conicConformalRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : log(cy0 / cos$1(y1)) / log(tany(y1) / tany(y0)), - f = cy0 * pow(tany(y0), n) / n; - - if (!n) return mercatorRaw; - - function project(x, y) { - if (f > 0) { if (y < -halfPi$2 + epsilon$2) y = -halfPi$2 + epsilon$2; } - else { if (y > halfPi$2 - epsilon$2) y = halfPi$2 - epsilon$2; } - var r = f / pow(tany(y), n); - return [r * sin$1(n * x), f - r * cos$1(n * x)]; - } - - project.invert = function(x, y) { - var fy = f - y, r = sign(n) * sqrt(x * x + fy * fy); - return [atan2(x, abs(fy)) / n * sign(fy), 2 * atan(pow(f / r, 1 / n)) - halfPi$2]; - }; - - return project; -} - -function conicConformal() { - return conicProjection(conicConformalRaw) - .scale(109.5) - .parallels([30, 30]); -} - -function equirectangularRaw(lambda, phi) { - return [lambda, phi]; -} - -equirectangularRaw.invert = equirectangularRaw; - -function equirectangular() { - return projection(equirectangularRaw) - .scale(152.63); -} - -function conicEquidistantRaw(y0, y1) { - var cy0 = cos$1(y0), - n = y0 === y1 ? sin$1(y0) : (cy0 - cos$1(y1)) / (y1 - y0), - g = cy0 / n + y0; - - if (abs(n) < epsilon$2) return equirectangularRaw; - - function project(x, y) { - var gy = g - y, nx = n * x; - return [gy * sin$1(nx), g - gy * cos$1(nx)]; - } - - project.invert = function(x, y) { - var gy = g - y; - return [atan2(x, abs(gy)) / n * sign(gy), g - sign(n) * sqrt(x * x + gy * gy)]; - }; - - return project; -} - -function conicEquidistant() { - return conicProjection(conicEquidistantRaw) - .scale(131.154) - .center([0, 13.9389]); -} - -function gnomonicRaw(x, y) { - var cy = cos$1(y), k = cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; -} - -gnomonicRaw.invert = azimuthalInvert(atan); - -function gnomonic() { - return projection(gnomonicRaw) - .scale(144.049) - .clipAngle(60); -} - -function scaleTranslate(kx, ky, tx, ty) { - return kx === 1 && ky === 1 && tx === 0 && ty === 0 ? identity$4 : transformer({ - point: function(x, y) { - this.stream.point(x * kx + tx, y * ky + ty); - } - }); -} - -function identity$5() { - var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, transform$$1 = identity$4, // scale, translate and reflect - x0 = null, y0, x1, y1, // clip extent - postclip = identity$4, - cache, - cacheStream, - projection; - - function reset() { - cache = cacheStream = null; - return projection; - } - - return projection = { - stream: function(stream) { - return cache && cacheStream === stream ? cache : cache = transform$$1(postclip(cacheStream = stream)); - }, - postclip: function(_) { - return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip; - }, - clipExtent: function(_) { - return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity$4) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]]; - }, - scale: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate((k = +_) * sx, k * sy, tx, ty), reset()) : k; - }, - translate: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty]; - }, - reflectX: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0; - }, - reflectY: function(_) { - return arguments.length ? (transform$$1 = scaleTranslate(k * sx, k * (sy = _ ? -1 : 1), tx, ty), reset()) : sy < 0; - }, - fitExtent: function(extent, object) { - return fitExtent(projection, extent, object); - }, - fitSize: function(size, object) { - return fitSize(projection, size, object); - }, - fitWidth: function(width, object) { - return fitWidth(projection, width, object); - }, - fitHeight: function(height, object) { - return fitHeight(projection, height, object); - } - }; -} - -function naturalEarth1Raw(lambda, phi) { - var phi2 = phi * phi, phi4 = phi2 * phi2; - return [ - lambda * (0.8707 - 0.131979 * phi2 + phi4 * (-0.013791 + phi4 * (0.003971 * phi2 - 0.001529 * phi4))), - phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - ]; -} - -naturalEarth1Raw.invert = function(x, y) { - var phi = y, i = 25, delta; - do { - var phi2 = phi * phi, phi4 = phi2 * phi2; - phi -= delta = (phi * (1.007226 + phi2 * (0.015085 + phi4 * (-0.044475 + 0.028874 * phi2 - 0.005916 * phi4))) - y) / - (1.007226 + phi2 * (0.015085 * 3 + phi4 * (-0.044475 * 7 + 0.028874 * 9 * phi2 - 0.005916 * 11 * phi4))); - } while (abs(delta) > epsilon$2 && --i > 0); - return [ - x / (0.8707 + (phi2 = phi * phi) * (-0.131979 + phi2 * (-0.013791 + phi2 * phi2 * phi2 * (0.003971 - 0.001529 * phi2)))), - phi - ]; -}; - -function naturalEarth1() { - return projection(naturalEarth1Raw) - .scale(175.295); -} - -function orthographicRaw(x, y) { - return [cos$1(y) * sin$1(x), sin$1(y)]; -} - -orthographicRaw.invert = azimuthalInvert(asin); - -function orthographic() { - return projection(orthographicRaw) - .scale(249.5) - .clipAngle(90 + epsilon$2); -} - -function stereographicRaw(x, y) { - var cy = cos$1(y), k = 1 + cos$1(x) * cy; - return [cy * sin$1(x) / k, sin$1(y) / k]; -} - -stereographicRaw.invert = azimuthalInvert(function(z) { - return 2 * atan(z); -}); - -function stereographic() { - return projection(stereographicRaw) - .scale(250) - .clipAngle(142); -} - -function transverseMercatorRaw(lambda, phi) { - return [log(tan((halfPi$2 + phi) / 2)), -lambda]; -} - -transverseMercatorRaw.invert = function(x, y) { - return [-y, 2 * atan(exp(x)) - halfPi$2]; -}; - -function transverseMercator() { - var m = mercatorProjection(transverseMercatorRaw), - center = m.center, - rotate = m.rotate; - - m.center = function(_) { - return arguments.length ? center([-_[1], _[0]]) : (_ = center(), [_[1], -_[0]]); - }; - - m.rotate = function(_) { - return arguments.length ? rotate([_[0], _[1], _.length > 2 ? _[2] + 90 : 90]) : (_ = rotate(), [_[0], _[1], _[2] - 90]); - }; - - return rotate([0, 0, 90]) - .scale(159.155); -} - -function defaultSeparation(a, b) { - return a.parent === b.parent ? 1 : 2; -} - -function meanX(children) { - return children.reduce(meanXReduce, 0) / children.length; -} - -function meanXReduce(x, c) { - return x + c.x; -} - -function maxY(children) { - return 1 + children.reduce(maxYReduce, 0); -} - -function maxYReduce(y, c) { - return Math.max(y, c.y); -} - -function leafLeft(node) { - var children; - while (children = node.children) node = children[0]; - return node; -} - -function leafRight(node) { - var children; - while (children = node.children) node = children[children.length - 1]; - return node; -} - -function cluster() { - var separation = defaultSeparation, - dx = 1, - dy = 1, - nodeSize = false; - - function cluster(root) { - var previousNode, - x = 0; - - // First walk, computing the initial x & y values. - root.eachAfter(function(node) { - var children = node.children; - if (children) { - node.x = meanX(children); - node.y = maxY(children); - } else { - node.x = previousNode ? x += separation(node, previousNode) : 0; - node.y = 0; - previousNode = node; - } - }); - - var left = leafLeft(root), - right = leafRight(root), - x0 = left.x - separation(left, right) / 2, - x1 = right.x + separation(right, left) / 2; - - // Second walk, normalizing x & y to the desired size. - return root.eachAfter(nodeSize ? function(node) { - node.x = (node.x - root.x) * dx; - node.y = (root.y - node.y) * dy; - } : function(node) { - node.x = (node.x - x0) / (x1 - x0) * dx; - node.y = (1 - (root.y ? node.y / root.y : 1)) * dy; - }); - } - - cluster.separation = function(x) { - return arguments.length ? (separation = x, cluster) : separation; - }; - - cluster.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? null : [dx, dy]); - }; - - cluster.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], cluster) : (nodeSize ? [dx, dy] : null); - }; - - return cluster; -} - -function count(node) { - var sum = 0, - children = node.children, - i = children && children.length; - if (!i) sum = 1; - else while (--i >= 0) sum += children[i].value; - node.value = sum; -} - -function node_count() { - return this.eachAfter(count); -} - -function node_each(callback) { - var node = this, current, next = [node], children, i, n; - do { - current = next.reverse(), next = []; - while (node = current.pop()) { - callback(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - next.push(children[i]); - } - } - } while (next.length); - return this; -} - -function node_eachBefore(callback) { - var node = this, nodes = [node], children, i; - while (node = nodes.pop()) { - callback(node), children = node.children; - if (children) for (i = children.length - 1; i >= 0; --i) { - nodes.push(children[i]); - } - } - return this; -} - -function node_eachAfter(callback) { - var node = this, nodes = [node], next = [], children, i, n; - while (node = nodes.pop()) { - next.push(node), children = node.children; - if (children) for (i = 0, n = children.length; i < n; ++i) { - nodes.push(children[i]); - } - } - while (node = next.pop()) { - callback(node); - } - return this; -} - -function node_sum(value) { - return this.eachAfter(function(node) { - var sum = +value(node.data) || 0, - children = node.children, - i = children && children.length; - while (--i >= 0) sum += children[i].value; - node.value = sum; - }); -} - -function node_sort(compare) { - return this.eachBefore(function(node) { - if (node.children) { - node.children.sort(compare); - } - }); -} - -function node_path(end) { - var start = this, - ancestor = leastCommonAncestor(start, end), - nodes = [start]; - while (start !== ancestor) { - start = start.parent; - nodes.push(start); - } - var k = nodes.length; - while (end !== ancestor) { - nodes.splice(k, 0, end); - end = end.parent; - } - return nodes; -} - -function leastCommonAncestor(a, b) { - if (a === b) return a; - var aNodes = a.ancestors(), - bNodes = b.ancestors(), - c = null; - a = aNodes.pop(); - b = bNodes.pop(); - while (a === b) { - c = a; - a = aNodes.pop(); - b = bNodes.pop(); - } - return c; -} - -function node_ancestors() { - var node = this, nodes = [node]; - while (node = node.parent) { - nodes.push(node); - } - return nodes; -} - -function node_descendants() { - var nodes = []; - this.each(function(node) { - nodes.push(node); - }); - return nodes; -} - -function node_leaves() { - var leaves = []; - this.eachBefore(function(node) { - if (!node.children) { - leaves.push(node); - } - }); - return leaves; -} - -function node_links() { - var root = this, links = []; - root.each(function(node) { - if (node !== root) { // Don’t include the root’s parent, if any. - links.push({source: node.parent, target: node}); - } - }); - return links; -} - -function hierarchy(data, children) { - var root = new Node(data), - valued = +data.value && (root.value = data.value), - node, - nodes = [root], - child, - childs, - i, - n; - - if (children == null) children = defaultChildren; - - while (node = nodes.pop()) { - if (valued) node.value = +node.data.value; - if ((childs = children(node.data)) && (n = childs.length)) { - node.children = new Array(n); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new Node(childs[i])); - child.parent = node; - child.depth = node.depth + 1; - } - } - } - - return root.eachBefore(computeHeight); -} - -function node_copy() { - return hierarchy(this).eachBefore(copyData); -} - -function defaultChildren(d) { - return d.children; -} - -function copyData(node) { - node.data = node.data.data; -} - -function computeHeight(node) { - var height = 0; - do node.height = height; - while ((node = node.parent) && (node.height < ++height)); -} - -function Node(data) { - this.data = data; - this.depth = - this.height = 0; - this.parent = null; -} - -Node.prototype = hierarchy.prototype = { - constructor: Node, - count: node_count, - each: node_each, - eachAfter: node_eachAfter, - eachBefore: node_eachBefore, - sum: node_sum, - sort: node_sort, - path: node_path, - ancestors: node_ancestors, - descendants: node_descendants, - leaves: node_leaves, - links: node_links, - copy: node_copy -}; - -var slice$3 = Array.prototype.slice; - -function shuffle$1(array) { - var m = array.length, - t, - i; - - while (m) { - i = Math.random() * m-- | 0; - t = array[m]; - array[m] = array[i]; - array[i] = t; - } - - return array; -} - -function enclose(circles) { - var i = 0, n = (circles = shuffle$1(slice$3.call(circles))).length, B = [], p, e; - - while (i < n) { - p = circles[i]; - if (e && enclosesWeak(e, p)) ++i; - else e = encloseBasis(B = extendBasis(B, p)), i = 0; - } - - return e; -} - -function extendBasis(B, p) { - var i, j; - - if (enclosesWeakAll(p, B)) return [p]; - - // If we get here then B must have at least one element. - for (i = 0; i < B.length; ++i) { - if (enclosesNot(p, B[i]) - && enclosesWeakAll(encloseBasis2(B[i], p), B)) { - return [B[i], p]; - } - } - - // If we get here then B must have at least two elements. - for (i = 0; i < B.length - 1; ++i) { - for (j = i + 1; j < B.length; ++j) { - if (enclosesNot(encloseBasis2(B[i], B[j]), p) - && enclosesNot(encloseBasis2(B[i], p), B[j]) - && enclosesNot(encloseBasis2(B[j], p), B[i]) - && enclosesWeakAll(encloseBasis3(B[i], B[j], p), B)) { - return [B[i], B[j], p]; - } - } - } - - // If we get here then something is very wrong. - throw new Error; -} - -function enclosesNot(a, b) { - var dr = a.r - b.r, dx = b.x - a.x, dy = b.y - a.y; - return dr < 0 || dr * dr < dx * dx + dy * dy; -} - -function enclosesWeak(a, b) { - var dr = a.r - b.r + 1e-6, dx = b.x - a.x, dy = b.y - a.y; - return dr > 0 && dr * dr > dx * dx + dy * dy; -} - -function enclosesWeakAll(a, B) { - for (var i = 0; i < B.length; ++i) { - if (!enclosesWeak(a, B[i])) { - return false; - } - } - return true; -} - -function encloseBasis(B) { - switch (B.length) { - case 1: return encloseBasis1(B[0]); - case 2: return encloseBasis2(B[0], B[1]); - case 3: return encloseBasis3(B[0], B[1], B[2]); - } -} - -function encloseBasis1(a) { - return { - x: a.x, - y: a.y, - r: a.r - }; -} - -function encloseBasis2(a, b) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x21 = x2 - x1, y21 = y2 - y1, r21 = r2 - r1, - l = Math.sqrt(x21 * x21 + y21 * y21); - return { - x: (x1 + x2 + x21 / l * r21) / 2, - y: (y1 + y2 + y21 / l * r21) / 2, - r: (l + r1 + r2) / 2 - }; -} - -function encloseBasis3(a, b, c) { - var x1 = a.x, y1 = a.y, r1 = a.r, - x2 = b.x, y2 = b.y, r2 = b.r, - x3 = c.x, y3 = c.y, r3 = c.r, - a2 = x1 - x2, - a3 = x1 - x3, - b2 = y1 - y2, - b3 = y1 - y3, - c2 = r2 - r1, - c3 = r3 - r1, - d1 = x1 * x1 + y1 * y1 - r1 * r1, - d2 = d1 - x2 * x2 - y2 * y2 + r2 * r2, - d3 = d1 - x3 * x3 - y3 * y3 + r3 * r3, - ab = a3 * b2 - a2 * b3, - xa = (b2 * d3 - b3 * d2) / (ab * 2) - x1, - xb = (b3 * c2 - b2 * c3) / ab, - ya = (a3 * d2 - a2 * d3) / (ab * 2) - y1, - yb = (a2 * c3 - a3 * c2) / ab, - A = xb * xb + yb * yb - 1, - B = 2 * (r1 + xa * xb + ya * yb), - C = xa * xa + ya * ya - r1 * r1, - r = -(A ? (B + Math.sqrt(B * B - 4 * A * C)) / (2 * A) : C / B); - return { - x: x1 + xa + xb * r, - y: y1 + ya + yb * r, - r: r - }; -} - -function place(a, b, c) { - var ax = a.x, - ay = a.y, - da = b.r + c.r, - db = a.r + c.r, - dx = b.x - ax, - dy = b.y - ay, - dc = dx * dx + dy * dy; - if (dc) { - var x = 0.5 + ((db *= db) - (da *= da)) / (2 * dc), - y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc); - c.x = ax + x * dx + y * dy; - c.y = ay + x * dy - y * dx; - } else { - c.x = ax + db; - c.y = ay; - } -} - -function intersects(a, b) { - var dx = b.x - a.x, - dy = b.y - a.y, - dr = a.r + b.r; - return dr * dr - 1e-6 > dx * dx + dy * dy; -} - -function score(node) { - var a = node._, - b = node.next._, - ab = a.r + b.r, - dx = (a.x * b.r + b.x * a.r) / ab, - dy = (a.y * b.r + b.y * a.r) / ab; - return dx * dx + dy * dy; -} - -function Node$1(circle) { - this._ = circle; - this.next = null; - this.previous = null; -} - -function packEnclose(circles) { - if (!(n = circles.length)) return 0; - - var a, b, c, n, aa, ca, i, j, k, sj, sk; - - // Place the first circle. - a = circles[0], a.x = 0, a.y = 0; - if (!(n > 1)) return a.r; - - // Place the second circle. - b = circles[1], a.x = -b.r, b.x = a.r, b.y = 0; - if (!(n > 2)) return a.r + b.r; - - // Place the third circle. - place(b, a, c = circles[2]); - - // Initialize the front-chain using the first three circles a, b and c. - a = new Node$1(a), b = new Node$1(b), c = new Node$1(c); - a.next = c.previous = b; - b.next = a.previous = c; - c.next = b.previous = a; - - // Attempt to place each remaining circle… - pack: for (i = 3; i < n; ++i) { - place(a._, b._, c = circles[i]), c = new Node$1(c); - - // Find the closest intersecting circle on the front-chain, if any. - // “Closeness” is determined by linear distance along the front-chain. - // “Ahead” or “behind” is likewise determined by linear distance. - j = b.next, k = a.previous, sj = b._.r, sk = a._.r; - do { - if (sj <= sk) { - if (intersects(j._, c._)) { - b = j, a.next = b, b.previous = a, --i; - continue pack; - } - sj += j._.r, j = j.next; - } else { - if (intersects(k._, c._)) { - a = k, a.next = b, b.previous = a, --i; - continue pack; - } - sk += k._.r, k = k.previous; - } - } while (j !== k.next); - - // Success! Insert the new circle c between a and b. - c.previous = a, c.next = b, a.next = b.previous = b = c; - - // Compute the new closest circle pair to the centroid. - aa = score(a); - while ((c = c.next) !== b) { - if ((ca = score(c)) < aa) { - a = c, aa = ca; - } - } - b = a.next; - } - - // Compute the enclosing circle of the front chain. - a = [b._], c = b; while ((c = c.next) !== b) a.push(c._); c = enclose(a); - - // Translate the circles to put the enclosing circle around the origin. - for (i = 0; i < n; ++i) a = circles[i], a.x -= c.x, a.y -= c.y; - - return c.r; -} - -function siblings(circles) { - packEnclose(circles); - return circles; -} - -function optional(f) { - return f == null ? null : required(f); -} - -function required(f) { - if (typeof f !== "function") throw new Error; - return f; -} - -function constantZero() { - return 0; -} - -function constant$8(x) { - return function() { - return x; - }; -} - -function defaultRadius$1(d) { - return Math.sqrt(d.value); -} - -function index$2() { - var radius = null, - dx = 1, - dy = 1, - padding = constantZero; - - function pack(root) { - root.x = dx / 2, root.y = dy / 2; - if (radius) { - root.eachBefore(radiusLeaf(radius)) - .eachAfter(packChildren(padding, 0.5)) - .eachBefore(translateChild(1)); - } else { - root.eachBefore(radiusLeaf(defaultRadius$1)) - .eachAfter(packChildren(constantZero, 1)) - .eachAfter(packChildren(padding, root.r / Math.min(dx, dy))) - .eachBefore(translateChild(Math.min(dx, dy) / (2 * root.r))); - } - return root; - } - - pack.radius = function(x) { - return arguments.length ? (radius = optional(x), pack) : radius; - }; - - pack.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], pack) : [dx, dy]; - }; - - pack.padding = function(x) { - return arguments.length ? (padding = typeof x === "function" ? x : constant$8(+x), pack) : padding; - }; - - return pack; -} - -function radiusLeaf(radius) { - return function(node) { - if (!node.children) { - node.r = Math.max(0, +radius(node) || 0); - } - }; -} - -function packChildren(padding, k) { - return function(node) { - if (children = node.children) { - var children, - i, - n = children.length, - r = padding(node) * k || 0, - e; - - if (r) for (i = 0; i < n; ++i) children[i].r += r; - e = packEnclose(children); - if (r) for (i = 0; i < n; ++i) children[i].r -= r; - node.r = e + r; - } - }; -} - -function translateChild(k) { - return function(node) { - var parent = node.parent; - node.r *= k; - if (parent) { - node.x = parent.x + k * node.x; - node.y = parent.y + k * node.y; - } - }; -} - -function roundNode(node) { - node.x0 = Math.round(node.x0); - node.y0 = Math.round(node.y0); - node.x1 = Math.round(node.x1); - node.y1 = Math.round(node.y1); -} - -function treemapDice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (x1 - x0) / parent.value; - - while (++i < n) { - node = nodes[i], node.y0 = y0, node.y1 = y1; - node.x0 = x0, node.x1 = x0 += node.value * k; - } -} - -function partition() { - var dx = 1, - dy = 1, - padding = 0, - round = false; - - function partition(root) { - var n = root.height + 1; - root.x0 = - root.y0 = padding; - root.x1 = dx; - root.y1 = dy / n; - root.eachBefore(positionNode(dy, n)); - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(dy, n) { - return function(node) { - if (node.children) { - treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n); - } - var x0 = node.x0, - y0 = node.y0, - x1 = node.x1 - padding, - y1 = node.y1 - padding; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - }; - } - - partition.round = function(x) { - return arguments.length ? (round = !!x, partition) : round; - }; - - partition.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy]; - }; - - partition.padding = function(x) { - return arguments.length ? (padding = +x, partition) : padding; - }; - - return partition; -} - -var keyPrefix$1 = "$"; -var preroot = {depth: -1}; -var ambiguous = {}; - -function defaultId(d) { - return d.id; -} - -function defaultParentId(d) { - return d.parentId; -} - -function stratify() { - var id = defaultId, - parentId = defaultParentId; - - function stratify(data) { - var d, - i, - n = data.length, - root, - parent, - node, - nodes = new Array(n), - nodeId, - nodeKey, - nodeByKey = {}; - - for (i = 0; i < n; ++i) { - d = data[i], node = nodes[i] = new Node(d); - if ((nodeId = id(d, i, data)) != null && (nodeId += "")) { - nodeKey = keyPrefix$1 + (node.id = nodeId); - nodeByKey[nodeKey] = nodeKey in nodeByKey ? ambiguous : node; - } - } - - for (i = 0; i < n; ++i) { - node = nodes[i], nodeId = parentId(data[i], i, data); - if (nodeId == null || !(nodeId += "")) { - if (root) throw new Error("multiple roots"); - root = node; - } else { - parent = nodeByKey[keyPrefix$1 + nodeId]; - if (!parent) throw new Error("missing: " + nodeId); - if (parent === ambiguous) throw new Error("ambiguous: " + nodeId); - if (parent.children) parent.children.push(node); - else parent.children = [node]; - node.parent = parent; - } - } - - if (!root) throw new Error("no root"); - root.parent = preroot; - root.eachBefore(function(node) { node.depth = node.parent.depth + 1; --n; }).eachBefore(computeHeight); - root.parent = null; - if (n > 0) throw new Error("cycle"); - - return root; - } - - stratify.id = function(x) { - return arguments.length ? (id = required(x), stratify) : id; - }; - - stratify.parentId = function(x) { - return arguments.length ? (parentId = required(x), stratify) : parentId; - }; - - return stratify; -} - -function defaultSeparation$1(a, b) { - return a.parent === b.parent ? 1 : 2; -} - -// function radialSeparation(a, b) { -// return (a.parent === b.parent ? 1 : 2) / a.depth; -// } - -// This function is used to traverse the left contour of a subtree (or -// subforest). It returns the successor of v on this contour. This successor is -// either given by the leftmost child of v or by the thread of v. The function -// returns null if and only if v is on the highest level of its subtree. -function nextLeft(v) { - var children = v.children; - return children ? children[0] : v.t; -} - -// This function works analogously to nextLeft. -function nextRight(v) { - var children = v.children; - return children ? children[children.length - 1] : v.t; -} - -// Shifts the current subtree rooted at w+. This is done by increasing -// prelim(w+) and mod(w+) by shift. -function moveSubtree(wm, wp, shift) { - var change = shift / (wp.i - wm.i); - wp.c -= change; - wp.s += shift; - wm.c += change; - wp.z += shift; - wp.m += shift; -} - -// All other shifts, applied to the smaller subtrees between w- and w+, are -// performed by this function. To prepare the shifts, we have to adjust -// change(w+), shift(w+), and change(w-). -function executeShifts(v) { - var shift = 0, - change = 0, - children = v.children, - i = children.length, - w; - while (--i >= 0) { - w = children[i]; - w.z += shift; - w.m += shift; - shift += w.s + (change += w.c); - } -} - -// If vi-’s ancestor is a sibling of v, returns vi-’s ancestor. Otherwise, -// returns the specified (default) ancestor. -function nextAncestor(vim, v, ancestor) { - return vim.a.parent === v.parent ? vim.a : ancestor; -} - -function TreeNode(node, i) { - this._ = node; - this.parent = null; - this.children = null; - this.A = null; // default ancestor - this.a = this; // ancestor - this.z = 0; // prelim - this.m = 0; // mod - this.c = 0; // change - this.s = 0; // shift - this.t = null; // thread - this.i = i; // number -} - -TreeNode.prototype = Object.create(Node.prototype); - -function treeRoot(root) { - var tree = new TreeNode(root, 0), - node, - nodes = [tree], - child, - children, - i, - n; - - while (node = nodes.pop()) { - if (children = node._.children) { - node.children = new Array(n = children.length); - for (i = n - 1; i >= 0; --i) { - nodes.push(child = node.children[i] = new TreeNode(children[i], i)); - child.parent = node; - } - } - } - - (tree.parent = new TreeNode(null, 0)).children = [tree]; - return tree; -} - -// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm -function tree() { - var separation = defaultSeparation$1, - dx = 1, - dy = 1, - nodeSize = null; - - function tree(root) { - var t = treeRoot(root); - - // Compute the layout using Buchheim et al.’s algorithm. - t.eachAfter(firstWalk), t.parent.m = -t.z; - t.eachBefore(secondWalk); - - // If a fixed node size is specified, scale x and y. - if (nodeSize) root.eachBefore(sizeNode); - - // If a fixed tree size is specified, scale x and y based on the extent. - // Compute the left-most, right-most, and depth-most nodes for extents. - else { - var left = root, - right = root, - bottom = root; - root.eachBefore(function(node) { - if (node.x < left.x) left = node; - if (node.x > right.x) right = node; - if (node.depth > bottom.depth) bottom = node; - }); - var s = left === right ? 1 : separation(left, right) / 2, - tx = s - left.x, - kx = dx / (right.x + s + tx), - ky = dy / (bottom.depth || 1); - root.eachBefore(function(node) { - node.x = (node.x + tx) * kx; - node.y = node.depth * ky; - }); - } - - return root; - } - - // Computes a preliminary x-coordinate for v. Before that, FIRST WALK is - // applied recursively to the children of v, as well as the function - // APPORTION. After spacing out the children by calling EXECUTE SHIFTS, the - // node v is placed to the midpoint of its outermost children. - function firstWalk(v) { - var children = v.children, - siblings = v.parent.children, - w = v.i ? siblings[v.i - 1] : null; - if (children) { - executeShifts(v); - var midpoint = (children[0].z + children[children.length - 1].z) / 2; - if (w) { - v.z = w.z + separation(v._, w._); - v.m = v.z - midpoint; - } else { - v.z = midpoint; - } - } else if (w) { - v.z = w.z + separation(v._, w._); - } - v.parent.A = apportion(v, w, v.parent.A || siblings[0]); - } - - // Computes all real x-coordinates by summing up the modifiers recursively. - function secondWalk(v) { - v._.x = v.z + v.parent.m; - v.m += v.parent.m; - } - - // The core of the algorithm. Here, a new subtree is combined with the - // previous subtrees. Threads are used to traverse the inside and outside - // contours of the left and right subtree up to the highest common level. The - // vertices used for the traversals are vi+, vi-, vo-, and vo+, where the - // superscript o means outside and i means inside, the subscript - means left - // subtree and + means right subtree. For summing up the modifiers along the - // contour, we use respective variables si+, si-, so-, and so+. Whenever two - // nodes of the inside contours conflict, we compute the left one of the - // greatest uncommon ancestors using the function ANCESTOR and call MOVE - // SUBTREE to shift the subtree and prepare the shifts of smaller subtrees. - // Finally, we add a new thread (if necessary). - function apportion(v, w, ancestor) { - if (w) { - var vip = v, - vop = v, - vim = w, - vom = vip.parent.children[0], - sip = vip.m, - sop = vop.m, - sim = vim.m, - som = vom.m, - shift; - while (vim = nextRight(vim), vip = nextLeft(vip), vim && vip) { - vom = nextLeft(vom); - vop = nextRight(vop); - vop.a = v; - shift = vim.z + sim - vip.z - sip + separation(vim._, vip._); - if (shift > 0) { - moveSubtree(nextAncestor(vim, v, ancestor), v, shift); - sip += shift; - sop += shift; - } - sim += vim.m; - sip += vip.m; - som += vom.m; - sop += vop.m; - } - if (vim && !nextRight(vop)) { - vop.t = vim; - vop.m += sim - sop; - } - if (vip && !nextLeft(vom)) { - vom.t = vip; - vom.m += sip - som; - ancestor = v; - } - } - return ancestor; - } - - function sizeNode(node) { - node.x *= dx; - node.y = node.depth * dy; - } - - tree.separation = function(x) { - return arguments.length ? (separation = x, tree) : separation; - }; - - tree.size = function(x) { - return arguments.length ? (nodeSize = false, dx = +x[0], dy = +x[1], tree) : (nodeSize ? null : [dx, dy]); - }; - - tree.nodeSize = function(x) { - return arguments.length ? (nodeSize = true, dx = +x[0], dy = +x[1], tree) : (nodeSize ? [dx, dy] : null); - }; - - return tree; -} - -function treemapSlice(parent, x0, y0, x1, y1) { - var nodes = parent.children, - node, - i = -1, - n = nodes.length, - k = parent.value && (y1 - y0) / parent.value; - - while (++i < n) { - node = nodes[i], node.x0 = x0, node.x1 = x1; - node.y0 = y0, node.y1 = y0 += node.value * k; - } -} - -var phi = (1 + Math.sqrt(5)) / 2; - -function squarifyRatio(ratio, parent, x0, y0, x1, y1) { - var rows = [], - nodes = parent.children, - row, - nodeValue, - i0 = 0, - i1 = 0, - n = nodes.length, - dx, dy, - value = parent.value, - sumValue, - minValue, - maxValue, - newRatio, - minRatio, - alpha, - beta; - - while (i0 < n) { - dx = x1 - x0, dy = y1 - y0; - - // Find the next non-empty node. - do sumValue = nodes[i1++].value; while (!sumValue && i1 < n); - minValue = maxValue = sumValue; - alpha = Math.max(dy / dx, dx / dy) / (value * ratio); - beta = sumValue * sumValue * alpha; - minRatio = Math.max(maxValue / beta, beta / minValue); - - // Keep adding nodes while the aspect ratio maintains or improves. - for (; i1 < n; ++i1) { - sumValue += nodeValue = nodes[i1].value; - if (nodeValue < minValue) minValue = nodeValue; - if (nodeValue > maxValue) maxValue = nodeValue; - beta = sumValue * sumValue * alpha; - newRatio = Math.max(maxValue / beta, beta / minValue); - if (newRatio > minRatio) { sumValue -= nodeValue; break; } - minRatio = newRatio; - } - - // Position and record the row orientation. - rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)}); - if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1); - else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1); - value -= sumValue, i0 = i1; - } - - return rows; -} - -var squarify = (function custom(ratio) { - - function squarify(parent, x0, y0, x1, y1) { - squarifyRatio(ratio, parent, x0, y0, x1, y1); - } - - squarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return squarify; -})(phi); - -function index$3() { - var tile = squarify, - round = false, - dx = 1, - dy = 1, - paddingStack = [0], - paddingInner = constantZero, - paddingTop = constantZero, - paddingRight = constantZero, - paddingBottom = constantZero, - paddingLeft = constantZero; - - function treemap(root) { - root.x0 = - root.y0 = 0; - root.x1 = dx; - root.y1 = dy; - root.eachBefore(positionNode); - paddingStack = [0]; - if (round) root.eachBefore(roundNode); - return root; - } - - function positionNode(node) { - var p = paddingStack[node.depth], - x0 = node.x0 + p, - y0 = node.y0 + p, - x1 = node.x1 - p, - y1 = node.y1 - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - node.x0 = x0; - node.y0 = y0; - node.x1 = x1; - node.y1 = y1; - if (node.children) { - p = paddingStack[node.depth + 1] = paddingInner(node) / 2; - x0 += paddingLeft(node) - p; - y0 += paddingTop(node) - p; - x1 -= paddingRight(node) - p; - y1 -= paddingBottom(node) - p; - if (x1 < x0) x0 = x1 = (x0 + x1) / 2; - if (y1 < y0) y0 = y1 = (y0 + y1) / 2; - tile(node, x0, y0, x1, y1); - } - } - - treemap.round = function(x) { - return arguments.length ? (round = !!x, treemap) : round; - }; - - treemap.size = function(x) { - return arguments.length ? (dx = +x[0], dy = +x[1], treemap) : [dx, dy]; - }; - - treemap.tile = function(x) { - return arguments.length ? (tile = required(x), treemap) : tile; - }; - - treemap.padding = function(x) { - return arguments.length ? treemap.paddingInner(x).paddingOuter(x) : treemap.paddingInner(); - }; - - treemap.paddingInner = function(x) { - return arguments.length ? (paddingInner = typeof x === "function" ? x : constant$8(+x), treemap) : paddingInner; - }; - - treemap.paddingOuter = function(x) { - return arguments.length ? treemap.paddingTop(x).paddingRight(x).paddingBottom(x).paddingLeft(x) : treemap.paddingTop(); - }; - - treemap.paddingTop = function(x) { - return arguments.length ? (paddingTop = typeof x === "function" ? x : constant$8(+x), treemap) : paddingTop; - }; - - treemap.paddingRight = function(x) { - return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$8(+x), treemap) : paddingRight; - }; - - treemap.paddingBottom = function(x) { - return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$8(+x), treemap) : paddingBottom; - }; - - treemap.paddingLeft = function(x) { - return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$8(+x), treemap) : paddingLeft; - }; - - return treemap; -} - -function binary(parent, x0, y0, x1, y1) { - var nodes = parent.children, - i, n = nodes.length, - sum, sums = new Array(n + 1); - - for (sums[0] = sum = i = 0; i < n; ++i) { - sums[i + 1] = sum += nodes[i].value; - } - - partition(0, n, parent.value, x0, y0, x1, y1); - - function partition(i, j, value, x0, y0, x1, y1) { - if (i >= j - 1) { - var node = nodes[i]; - node.x0 = x0, node.y0 = y0; - node.x1 = x1, node.y1 = y1; - return; - } - - var valueOffset = sums[i], - valueTarget = (value / 2) + valueOffset, - k = i + 1, - hi = j - 1; - - while (k < hi) { - var mid = k + hi >>> 1; - if (sums[mid] < valueTarget) k = mid + 1; - else hi = mid; - } - - if ((valueTarget - sums[k - 1]) < (sums[k] - valueTarget) && i + 1 < k) --k; - - var valueLeft = sums[k] - valueOffset, - valueRight = value - valueLeft; - - if ((x1 - x0) > (y1 - y0)) { - var xk = (x0 * valueRight + x1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, xk, y1); - partition(k, j, valueRight, xk, y0, x1, y1); - } else { - var yk = (y0 * valueRight + y1 * valueLeft) / value; - partition(i, k, valueLeft, x0, y0, x1, yk); - partition(k, j, valueRight, x0, yk, x1, y1); - } - } -} - -function sliceDice(parent, x0, y0, x1, y1) { - (parent.depth & 1 ? treemapSlice : treemapDice)(parent, x0, y0, x1, y1); -} - -var resquarify = (function custom(ratio) { - - function resquarify(parent, x0, y0, x1, y1) { - if ((rows = parent._squarify) && (rows.ratio === ratio)) { - var rows, - row, - nodes, - i, - j = -1, - n, - m = rows.length, - value = parent.value; - - while (++j < m) { - row = rows[j], nodes = row.children; - for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value; - if (row.dice) treemapDice(row, x0, y0, x1, y0 += (y1 - y0) * row.value / value); - else treemapSlice(row, x0, y0, x0 += (x1 - x0) * row.value / value, y1); - value -= row.value; - } - } else { - parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1); - rows.ratio = ratio; - } - } - - resquarify.ratio = function(x) { - return custom((x = +x) > 1 ? x : 1); - }; - - return resquarify; -})(phi); - -function area$1(polygon) { - var i = -1, - n = polygon.length, - a, - b = polygon[n - 1], - area = 0; - - while (++i < n) { - a = b; - b = polygon[i]; - area += a[1] * b[0] - a[0] * b[1]; - } - - return area / 2; -} - -function centroid$1(polygon) { - var i = -1, - n = polygon.length, - x = 0, - y = 0, - a, - b = polygon[n - 1], - c, - k = 0; - - while (++i < n) { - a = b; - b = polygon[i]; - k += c = a[0] * b[1] - b[0] * a[1]; - x += (a[0] + b[0]) * c; - y += (a[1] + b[1]) * c; - } - - return k *= 3, [x / k, y / k]; -} - -// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of -// the 3D cross product in a quadrant I Cartesian coordinate system (+x is -// right, +y is up). Returns a positive value if ABC is counter-clockwise, -// negative if clockwise, and zero if the points are collinear. -function cross$1(a, b, c) { - return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]); -} - -function lexicographicOrder(a, b) { - return a[0] - b[0] || a[1] - b[1]; -} - -// Computes the upper convex hull per the monotone chain algorithm. -// Assumes points.length >= 3, is sorted by x, unique in y. -// Returns an array of indices into points in left-to-right order. -function computeUpperHullIndexes(points) { - var n = points.length, - indexes = [0, 1], - size = 2; - - for (var i = 2; i < n; ++i) { - while (size > 1 && cross$1(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size; - indexes[size++] = i; - } - - return indexes.slice(0, size); // remove popped points -} - -function hull(points) { - if ((n = points.length) < 3) return null; - - var i, - n, - sortedPoints = new Array(n), - flippedPoints = new Array(n); - - for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i]; - sortedPoints.sort(lexicographicOrder); - for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]]; - - var upperIndexes = computeUpperHullIndexes(sortedPoints), - lowerIndexes = computeUpperHullIndexes(flippedPoints); - - // Construct the hull polygon, removing possible duplicate endpoints. - var skipLeft = lowerIndexes[0] === upperIndexes[0], - skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], - hull = []; - - // Add upper hull in right-to-l order. - // Then add lower hull in left-to-right order. - for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]); - for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]); - - return hull; -} - -function contains$1(polygon, point) { - var n = polygon.length, - p = polygon[n - 1], - x = point[0], y = point[1], - x0 = p[0], y0 = p[1], - x1, y1, - inside = false; - - for (var i = 0; i < n; ++i) { - p = polygon[i], x1 = p[0], y1 = p[1]; - if (((y1 > y) !== (y0 > y)) && (x < (x0 - x1) * (y - y1) / (y0 - y1) + x1)) inside = !inside; - x0 = x1, y0 = y1; - } - - return inside; -} - -function length$2(polygon) { - var i = -1, - n = polygon.length, - b = polygon[n - 1], - xa, - ya, - xb = b[0], - yb = b[1], - perimeter = 0; - - while (++i < n) { - xa = xb; - ya = yb; - b = polygon[i]; - xb = b[0]; - yb = b[1]; - xa -= xb; - ya -= yb; - perimeter += Math.sqrt(xa * xa + ya * ya); - } - - return perimeter; -} - -var slice$4 = [].slice; - -var noabort = {}; - -function Queue(size) { - this._size = size; - this._call = - this._error = null; - this._tasks = []; - this._data = []; - this._waiting = - this._active = - this._ended = - this._start = 0; // inside a synchronous task callback? -} - -Queue.prototype = queue.prototype = { - constructor: Queue, - defer: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("defer after await"); - if (this._error != null) return this; - var t = slice$4.call(arguments, 1); - t.push(callback); - ++this._waiting, this._tasks.push(t); - poke$1(this); - return this; - }, - abort: function() { - if (this._error == null) abort(this, new Error("abort")); - return this; - }, - await: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("multiple await"); - this._call = function(error, results) { callback.apply(null, [error].concat(results)); }; - maybeNotify(this); - return this; - }, - awaitAll: function(callback) { - if (typeof callback !== "function") throw new Error("invalid callback"); - if (this._call) throw new Error("multiple await"); - this._call = callback; - maybeNotify(this); - return this; - } -}; - -function poke$1(q) { - if (!q._start) { - try { start$1(q); } // let the current task complete - catch (e) { - if (q._tasks[q._ended + q._active - 1]) abort(q, e); // task errored synchronously - else if (!q._data) throw e; // await callback errored synchronously - } - } -} - -function start$1(q) { - while (q._start = q._waiting && q._active < q._size) { - var i = q._ended + q._active, - t = q._tasks[i], - j = t.length - 1, - c = t[j]; - t[j] = end(q, i); - --q._waiting, ++q._active; - t = c.apply(null, t); - if (!q._tasks[i]) continue; // task finished synchronously - q._tasks[i] = t || noabort; - } -} - -function end(q, i) { - return function(e, r) { - if (!q._tasks[i]) return; // ignore multiple callbacks - --q._active, ++q._ended; - q._tasks[i] = null; - if (q._error != null) return; // ignore secondary errors - if (e != null) { - abort(q, e); - } else { - q._data[i] = r; - if (q._waiting) poke$1(q); - else maybeNotify(q); - } - }; -} - -function abort(q, e) { - var i = q._tasks.length, t; - q._error = e; // ignore active callbacks - q._data = undefined; // allow gc - q._waiting = NaN; // prevent starting - - while (--i >= 0) { - if (t = q._tasks[i]) { - q._tasks[i] = null; - if (t.abort) { - try { t.abort(); } - catch (e) { /* ignore */ } - } - } - } - - q._active = NaN; // allow notification - maybeNotify(q); -} - -function maybeNotify(q) { - if (!q._active && q._call) { - var d = q._data; - q._data = undefined; // allow gc - q._call(q._error, d); - } -} - -function queue(concurrency) { - if (concurrency == null) concurrency = Infinity; - else if (!((concurrency = +concurrency) >= 1)) throw new Error("invalid concurrency"); - return new Queue(concurrency); -} - -function defaultSource$1() { - return Math.random(); -} - -var uniform = (function sourceRandomUniform(source) { - function randomUniform(min, max) { - min = min == null ? 0 : +min; - max = max == null ? 1 : +max; - if (arguments.length === 1) max = min, min = 0; - else max -= min; - return function() { - return source() * max + min; - }; - } - - randomUniform.source = sourceRandomUniform; - - return randomUniform; -})(defaultSource$1); - -var normal = (function sourceRandomNormal(source) { - function randomNormal(mu, sigma) { - var x, r; - mu = mu == null ? 0 : +mu; - sigma = sigma == null ? 1 : +sigma; - return function() { - var y; - - // If available, use the second previously-generated uniform random. - if (x != null) y = x, x = null; - - // Otherwise, generate a new x and y. - else do { - x = source() * 2 - 1; - y = source() * 2 - 1; - r = x * x + y * y; - } while (!r || r > 1); - - return mu + sigma * y * Math.sqrt(-2 * Math.log(r) / r); - }; - } - - randomNormal.source = sourceRandomNormal; - - return randomNormal; -})(defaultSource$1); - -var logNormal = (function sourceRandomLogNormal(source) { - function randomLogNormal() { - var randomNormal = normal.source(source).apply(this, arguments); - return function() { - return Math.exp(randomNormal()); - }; - } - - randomLogNormal.source = sourceRandomLogNormal; - - return randomLogNormal; -})(defaultSource$1); - -var irwinHall = (function sourceRandomIrwinHall(source) { - function randomIrwinHall(n) { - return function() { - for (var sum = 0, i = 0; i < n; ++i) sum += source(); - return sum; - }; - } - - randomIrwinHall.source = sourceRandomIrwinHall; - - return randomIrwinHall; -})(defaultSource$1); - -var bates = (function sourceRandomBates(source) { - function randomBates(n) { - var randomIrwinHall = irwinHall.source(source)(n); - return function() { - return randomIrwinHall() / n; - }; - } - - randomBates.source = sourceRandomBates; - - return randomBates; -})(defaultSource$1); - -var exponential$1 = (function sourceRandomExponential(source) { - function randomExponential(lambda) { - return function() { - return -Math.log(1 - source()) / lambda; - }; - } - - randomExponential.source = sourceRandomExponential; - - return randomExponential; -})(defaultSource$1); - -function request(url, callback) { - var request, - event = dispatch("beforesend", "progress", "load", "error"), - mimeType, - headers = map$1(), - xhr = new XMLHttpRequest, - user = null, - password = null, - response, - responseType, - timeout = 0; - - // If IE does not support CORS, use XDomainRequest. - if (typeof XDomainRequest !== "undefined" - && !("withCredentials" in xhr) - && /^(http(s)?:)?\/\//.test(url)) xhr = new XDomainRequest; - - "onload" in xhr - ? xhr.onload = xhr.onerror = xhr.ontimeout = respond - : xhr.onreadystatechange = function(o) { xhr.readyState > 3 && respond(o); }; - - function respond(o) { - var status = xhr.status, result; - if (!status && hasResponse(xhr) - || status >= 200 && status < 300 - || status === 304) { - if (response) { - try { - result = response.call(request, xhr); - } catch (e) { - event.call("error", request, e); - return; - } - } else { - result = xhr; - } - event.call("load", request, result); - } else { - event.call("error", request, o); - } - } - - xhr.onprogress = function(e) { - event.call("progress", request, e); - }; - - request = { - header: function(name, value) { - name = (name + "").toLowerCase(); - if (arguments.length < 2) return headers.get(name); - if (value == null) headers.remove(name); - else headers.set(name, value + ""); - return request; - }, - - // If mimeType is non-null and no Accept header is set, a default is used. - mimeType: function(value) { - if (!arguments.length) return mimeType; - mimeType = value == null ? null : value + ""; - return request; - }, - - // Specifies what type the response value should take; - // for instance, arraybuffer, blob, document, or text. - responseType: function(value) { - if (!arguments.length) return responseType; - responseType = value; - return request; - }, - - timeout: function(value) { - if (!arguments.length) return timeout; - timeout = +value; - return request; - }, - - user: function(value) { - return arguments.length < 1 ? user : (user = value == null ? null : value + "", request); - }, - - password: function(value) { - return arguments.length < 1 ? password : (password = value == null ? null : value + "", request); - }, - - // Specify how to convert the response content to a specific type; - // changes the callback value on "load" events. - response: function(value) { - response = value; - return request; - }, - - // Alias for send("GET", …). - get: function(data, callback) { - return request.send("GET", data, callback); - }, - - // Alias for send("POST", …). - post: function(data, callback) { - return request.send("POST", data, callback); - }, - - // If callback is non-null, it will be used for error and load events. - send: function(method, data, callback) { - xhr.open(method, url, true, user, password); - if (mimeType != null && !headers.has("accept")) headers.set("accept", mimeType + ",*/*"); - if (xhr.setRequestHeader) headers.each(function(value, name) { xhr.setRequestHeader(name, value); }); - if (mimeType != null && xhr.overrideMimeType) xhr.overrideMimeType(mimeType); - if (responseType != null) xhr.responseType = responseType; - if (timeout > 0) xhr.timeout = timeout; - if (callback == null && typeof data === "function") callback = data, data = null; - if (callback != null && callback.length === 1) callback = fixCallback(callback); - if (callback != null) request.on("error", callback).on("load", function(xhr) { callback(null, xhr); }); - event.call("beforesend", request, xhr); - xhr.send(data == null ? null : data); - return request; - }, - - abort: function() { - xhr.abort(); - return request; - }, - - on: function() { - var value = event.on.apply(event, arguments); - return value === event ? request : value; - } - }; - - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return request.get(callback); - } - - return request; -} - -function fixCallback(callback) { - return function(error, xhr) { - callback(error == null ? xhr : null); - }; -} - -function hasResponse(xhr) { - var type = xhr.responseType; - return type && type !== "text" - ? xhr.response // null on error - : xhr.responseText; // "" on error -} - -function type$1(defaultMimeType, response) { - return function(url, callback) { - var r = request(url).mimeType(defaultMimeType).response(response); - if (callback != null) { - if (typeof callback !== "function") throw new Error("invalid callback: " + callback); - return r.get(callback); - } - return r; - }; -} - -var html = type$1("text/html", function(xhr) { - return document.createRange().createContextualFragment(xhr.responseText); -}); - -var json = type$1("application/json", function(xhr) { - return JSON.parse(xhr.responseText); -}); - -var text = type$1("text/plain", function(xhr) { - return xhr.responseText; -}); - -var xml = type$1("application/xml", function(xhr) { - var xml = xhr.responseXML; - if (!xml) throw new Error("parse error"); - return xml; -}); - -function dsv$1(defaultMimeType, parse) { - return function(url, row, callback) { - if (arguments.length < 3) callback = row, row = null; - var r = request(url).mimeType(defaultMimeType); - r.row = function(_) { return arguments.length ? r.response(responseOf(parse, row = _)) : row; }; - r.row(row); - return callback ? r.get(callback) : r; - }; -} - -function responseOf(parse, row) { - return function(request$$1) { - return parse(request$$1.responseText, row); - }; -} - -var csv$1 = dsv$1("text/csv", csvParse); - -var tsv$1 = dsv$1("text/tab-separated-values", tsvParse); - -var array$2 = Array.prototype; - -var map$3 = array$2.map; -var slice$5 = array$2.slice; - -var implicit = {name: "implicit"}; - -function ordinal(range) { - var index = map$1(), - domain = [], - unknown = implicit; - - range = range == null ? [] : slice$5.call(range); - - function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { - if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); - } - return range[(i - 1) % range.length]; - } - - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = [], index = map$1(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); - return scale; - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), scale) : range.slice(); - }; - - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; - - scale.copy = function() { - return ordinal() - .domain(domain) - .range(range) - .unknown(unknown); - }; - - return scale; -} - -function band() { - var scale = ordinal().unknown(undefined), - domain = scale.domain, - ordinalRange = scale.range, - range$$1 = [0, 1], - step, - bandwidth, - round = false, - paddingInner = 0, - paddingOuter = 0, - align = 0.5; - - delete scale.unknown; - - function rescale() { - var n = domain().length, - reverse = range$$1[1] < range$$1[0], - start = range$$1[reverse - 0], - stop = range$$1[1 - reverse]; - step = (stop - start) / Math.max(1, n - paddingInner + paddingOuter * 2); - if (round) step = Math.floor(step); - start += (stop - start - step * (n - paddingInner)) * align; - bandwidth = step * (1 - paddingInner); - if (round) start = Math.round(start), bandwidth = Math.round(bandwidth); - var values = sequence(n).map(function(i) { return start + step * i; }); - return ordinalRange(reverse ? values.reverse() : values); - } - - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; - - scale.range = function(_) { - return arguments.length ? (range$$1 = [+_[0], +_[1]], rescale()) : range$$1.slice(); - }; - - scale.rangeRound = function(_) { - return range$$1 = [+_[0], +_[1]], round = true, rescale(); - }; - - scale.bandwidth = function() { - return bandwidth; - }; - - scale.step = function() { - return step; - }; - - scale.round = function(_) { - return arguments.length ? (round = !!_, rescale()) : round; - }; - - scale.padding = function(_) { - return arguments.length ? (paddingInner = paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; - - scale.paddingInner = function(_) { - return arguments.length ? (paddingInner = Math.max(0, Math.min(1, _)), rescale()) : paddingInner; - }; - - scale.paddingOuter = function(_) { - return arguments.length ? (paddingOuter = Math.max(0, Math.min(1, _)), rescale()) : paddingOuter; - }; - - scale.align = function(_) { - return arguments.length ? (align = Math.max(0, Math.min(1, _)), rescale()) : align; - }; - - scale.copy = function() { - return band() - .domain(domain()) - .range(range$$1) - .round(round) - .paddingInner(paddingInner) - .paddingOuter(paddingOuter) - .align(align); - }; - - return rescale(); -} - -function pointish(scale) { - var copy = scale.copy; - - scale.padding = scale.paddingOuter; - delete scale.paddingInner; - delete scale.paddingOuter; - - scale.copy = function() { - return pointish(copy()); - }; - - return scale; -} - -function point$1() { - return pointish(band().paddingInner(1)); -} - -function constant$9(x) { - return function() { - return x; - }; -} - -function number$2(x) { - return +x; -} - -var unit = [0, 1]; - -function deinterpolateLinear(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$9(b); -} - -function deinterpolateClamp(deinterpolate) { - return function(a, b) { - var d = deinterpolate(a = +a, b = +b); - return function(x) { return x <= a ? 0 : x >= b ? 1 : d(x); }; - }; -} - -function reinterpolateClamp(reinterpolate) { - return function(a, b) { - var r = reinterpolate(a = +a, b = +b); - return function(t) { return t <= 0 ? a : t >= 1 ? b : r(t); }; - }; -} - -function bimap(domain, range, deinterpolate, reinterpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = deinterpolate(d1, d0), r0 = reinterpolate(r1, r0); - else d0 = deinterpolate(d0, d1), r0 = reinterpolate(r0, r1); - return function(x) { return r0(d0(x)); }; -} - -function polymap(domain, range, deinterpolate, reinterpolate) { - var j = Math.min(domain.length, range.length) - 1, - d = new Array(j), - r = new Array(j), - i = -1; - - // Reverse descending domains. - if (domain[j] < domain[0]) { - domain = domain.slice().reverse(); - range = range.slice().reverse(); - } - - while (++i < j) { - d[i] = deinterpolate(domain[i], domain[i + 1]); - r[i] = reinterpolate(range[i], range[i + 1]); - } - - return function(x) { - var i = bisectRight(domain, x, 1, j) - 1; - return r[i](d[i](x)); - }; -} - -function copy(source, target) { - return target - .domain(source.domain()) - .range(source.range()) - .interpolate(source.interpolate()) - .clamp(source.clamp()); -} - -// deinterpolate(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. -// reinterpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding domain value x in [a,b]. -function continuous(deinterpolate, reinterpolate) { - var domain = unit, - range = unit, - interpolate$$1 = interpolateValue, - clamp = false, - piecewise, - output, - input; - - function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; - output = input = null; - return scale; - } - - function scale(x) { - return (output || (output = piecewise(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x); - } - - scale.invert = function(y) { - return (input || (input = piecewise(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y); - }; - - scale.domain = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), rescale()) : domain.slice(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); - }; - - scale.rangeRound = function(_) { - return range = slice$5.call(_), interpolate$$1 = interpolateRound, rescale(); - }; - - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, rescale()) : clamp; - }; - - scale.interpolate = function(_) { - return arguments.length ? (interpolate$$1 = _, rescale()) : interpolate$$1; - }; - - return rescale(); -} - -function tickFormat(domain, count, specifier) { - var start = domain[0], - stop = domain[domain.length - 1], - step = tickStep(start, stop, count == null ? 10 : count), - precision; - specifier = formatSpecifier(specifier == null ? ",f" : specifier); - switch (specifier.type) { - case "s": { - var value = Math.max(Math.abs(start), Math.abs(stop)); - if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision; - return exports.formatPrefix(specifier, value); - } - case "": - case "e": - case "g": - case "p": - case "r": { - if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e"); - break; - } - case "f": - case "%": { - if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; - break; - } - } - return exports.format(specifier); -} - -function linearish(scale) { - var domain = scale.domain; - - scale.ticks = function(count) { - var d = domain(); - return ticks(d[0], d[d.length - 1], count == null ? 10 : count); - }; - - scale.tickFormat = function(count, specifier) { - return tickFormat(domain(), count, specifier); - }; - - scale.nice = function(count) { - if (count == null) count = 10; - - var d = domain(), - i0 = 0, - i1 = d.length - 1, - start = d[i0], - stop = d[i1], - step; - - if (stop < start) { - step = start, start = stop, stop = step; - step = i0, i0 = i1, i1 = step; - } - - step = tickIncrement(start, stop, count); - - if (step > 0) { - start = Math.floor(start / step) * step; - stop = Math.ceil(stop / step) * step; - step = tickIncrement(start, stop, count); - } else if (step < 0) { - start = Math.ceil(start * step) / step; - stop = Math.floor(stop * step) / step; - step = tickIncrement(start, stop, count); - } - - if (step > 0) { - d[i0] = Math.floor(start / step) * step; - d[i1] = Math.ceil(stop / step) * step; - domain(d); - } else if (step < 0) { - d[i0] = Math.ceil(start * step) / step; - d[i1] = Math.floor(stop * step) / step; - domain(d); - } - - return scale; - }; - - return scale; -} - -function linear$2() { - var scale = continuous(deinterpolateLinear, reinterpolate); - - scale.copy = function() { - return copy(scale, linear$2()); - }; - - return linearish(scale); -} - -function identity$6() { - var domain = [0, 1]; - - function scale(x) { - return +x; - } - - scale.invert = scale; - - scale.domain = scale.range = function(_) { - return arguments.length ? (domain = map$3.call(_, number$2), scale) : domain.slice(); - }; - - scale.copy = function() { - return identity$6().domain(domain); - }; - - return linearish(scale); -} - -function nice(domain, interval) { - domain = domain.slice(); - - var i0 = 0, - i1 = domain.length - 1, - x0 = domain[i0], - x1 = domain[i1], - t; - - if (x1 < x0) { - t = i0, i0 = i1, i1 = t; - t = x0, x0 = x1, x1 = t; - } - - domain[i0] = interval.floor(x0); - domain[i1] = interval.ceil(x1); - return domain; -} - -function deinterpolate(a, b) { - return (b = Math.log(b / a)) - ? function(x) { return Math.log(x / a) / b; } - : constant$9(b); -} - -function reinterpolate$1(a, b) { - return a < 0 - ? function(t) { return -Math.pow(-b, t) * Math.pow(-a, 1 - t); } - : function(t) { return Math.pow(b, t) * Math.pow(a, 1 - t); }; -} - -function pow10(x) { - return isFinite(x) ? +("1e" + x) : x < 0 ? 0 : x; -} - -function powp(base) { - return base === 10 ? pow10 - : base === Math.E ? Math.exp - : function(x) { return Math.pow(base, x); }; -} - -function logp(base) { - return base === Math.E ? Math.log - : base === 10 && Math.log10 - || base === 2 && Math.log2 - || (base = Math.log(base), function(x) { return Math.log(x) / base; }); -} - -function reflect(f) { - return function(x) { - return -f(-x); - }; -} - -function log$1() { - var scale = continuous(deinterpolate, reinterpolate$1).domain([1, 10]), - domain = scale.domain, - base = 10, - logs = logp(10), - pows = powp(10); - - function rescale() { - logs = logp(base), pows = powp(base); - if (domain()[0] < 0) logs = reflect(logs), pows = reflect(pows); - return scale; - } - - scale.base = function(_) { - return arguments.length ? (base = +_, rescale()) : base; - }; - - scale.domain = function(_) { - return arguments.length ? (domain(_), rescale()) : domain(); - }; - - scale.ticks = function(count) { - var d = domain(), - u = d[0], - v = d[d.length - 1], - r; - - if (r = v < u) i = u, u = v, v = i; - - var i = logs(u), - j = logs(v), - p, - k, - t, - n = count == null ? 10 : +count, - z = []; - - if (!(base % 1) && j - i < n) { - i = Math.round(i) - 1, j = Math.round(j) + 1; - if (u > 0) for (; i < j; ++i) { - for (k = 1, p = pows(i); k < base; ++k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } else for (; i < j; ++i) { - for (k = base - 1, p = pows(i); k >= 1; --k) { - t = p * k; - if (t < u) continue; - if (t > v) break; - z.push(t); - } - } - } else { - z = ticks(i, j, Math.min(j - i, n)).map(pows); - } - - return r ? z.reverse() : z; - }; - - scale.tickFormat = function(count, specifier) { - if (specifier == null) specifier = base === 10 ? ".0e" : ","; - if (typeof specifier !== "function") specifier = exports.format(specifier); - if (count === Infinity) return specifier; - if (count == null) count = 10; - var k = Math.max(1, base * count / scale.ticks().length); // TODO fast estimate? - return function(d) { - var i = d / pows(Math.round(logs(d))); - if (i * base < base - 0.5) i *= base; - return i <= k ? specifier(d) : ""; - }; - }; - - scale.nice = function() { - return domain(nice(domain(), { - floor: function(x) { return pows(Math.floor(logs(x))); }, - ceil: function(x) { return pows(Math.ceil(logs(x))); } - })); - }; - - scale.copy = function() { - return copy(scale, log$1().base(base)); - }; - - return scale; -} - -function raise$1(x, exponent) { - return x < 0 ? -Math.pow(-x, exponent) : Math.pow(x, exponent); -} - -function pow$1() { - var exponent = 1, - scale = continuous(deinterpolate, reinterpolate), - domain = scale.domain; - - function deinterpolate(a, b) { - return (b = raise$1(b, exponent) - (a = raise$1(a, exponent))) - ? function(x) { return (raise$1(x, exponent) - a) / b; } - : constant$9(b); - } - - function reinterpolate(a, b) { - b = raise$1(b, exponent) - (a = raise$1(a, exponent)); - return function(t) { return raise$1(a + b * t, 1 / exponent); }; - } - - scale.exponent = function(_) { - return arguments.length ? (exponent = +_, domain(domain())) : exponent; - }; - - scale.copy = function() { - return copy(scale, pow$1().exponent(exponent)); - }; - - return linearish(scale); -} - -function sqrt$1() { - return pow$1().exponent(0.5); -} - -function quantile$$1() { - var domain = [], - range = [], - thresholds = []; - - function rescale() { - var i = 0, n = Math.max(1, range.length); - thresholds = new Array(n - 1); - while (++i < n) thresholds[i - 1] = threshold(domain, i / n); - return scale; - } - - function scale(x) { - if (!isNaN(x = +x)) return range[bisectRight(thresholds, x)]; - } - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] : [ - i > 0 ? thresholds[i - 1] : domain[0], - i < thresholds.length ? thresholds[i] : domain[domain.length - 1] - ]; - }; - - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = []; - for (var i = 0, n = _.length, d; i < n; ++i) if (d = _[i], d != null && !isNaN(d = +d)) domain.push(d); - domain.sort(ascending); - return rescale(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice(); - }; - - scale.quantiles = function() { - return thresholds.slice(); - }; - - scale.copy = function() { - return quantile$$1() - .domain(domain) - .range(range); - }; - - return scale; -} - -function quantize$1() { - var x0 = 0, - x1 = 1, - n = 1, - domain = [0.5], - range = [0, 1]; - - function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; - } - - function rescale() { - var i = -1; - domain = new Array(n); - while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1); - return scale; - } - - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1]; - }; - - scale.range = function(_) { - return arguments.length ? (n = (range = slice$5.call(_)).length - 1, rescale()) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return i < 0 ? [NaN, NaN] - : i < 1 ? [x0, domain[0]] - : i >= n ? [domain[n - 1], x1] - : [domain[i - 1], domain[i]]; - }; - - scale.copy = function() { - return quantize$1() - .domain([x0, x1]) - .range(range); - }; - - return linearish(scale); -} - -function threshold$1() { - var domain = [0.5], - range = [0, 1], - n = 1; - - function scale(x) { - if (x <= x) return range[bisectRight(domain, x, 0, n)]; - } - - scale.domain = function(_) { - return arguments.length ? (domain = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : domain.slice(); - }; - - scale.range = function(_) { - return arguments.length ? (range = slice$5.call(_), n = Math.min(domain.length, range.length - 1), scale) : range.slice(); - }; - - scale.invertExtent = function(y) { - var i = range.indexOf(y); - return [domain[i - 1], domain[i]]; - }; - - scale.copy = function() { - return threshold$1() - .domain(domain) - .range(range); - }; - - return scale; -} - -var t0$1 = new Date; -var t1$1 = new Date; - -function newInterval(floori, offseti, count, field) { - - function interval(date) { - return floori(date = new Date(+date)), date; - } - - interval.floor = interval; - - interval.ceil = function(date) { - return floori(date = new Date(date - 1)), offseti(date, 1), floori(date), date; - }; - - interval.round = function(date) { - var d0 = interval(date), - d1 = interval.ceil(date); - return date - d0 < d1 - date ? d0 : d1; - }; - - interval.offset = function(date, step) { - return offseti(date = new Date(+date), step == null ? 1 : Math.floor(step)), date; - }; - - interval.range = function(start, stop, step) { - var range = [], previous; - start = interval.ceil(start); - step = step == null ? 1 : Math.floor(step); - if (!(start < stop) || !(step > 0)) return range; // also handles Invalid Date - do range.push(previous = new Date(+start)), offseti(start, step), floori(start); - while (previous < start && start < stop); - return range; - }; - - interval.filter = function(test) { - return newInterval(function(date) { - if (date >= date) while (floori(date), !test(date)) date.setTime(date - 1); - }, function(date, step) { - if (date >= date) { - if (step < 0) while (++step <= 0) { - while (offseti(date, -1), !test(date)) {} // eslint-disable-line no-empty - } else while (--step >= 0) { - while (offseti(date, +1), !test(date)) {} // eslint-disable-line no-empty - } - } - }); - }; - - if (count) { - interval.count = function(start, end) { - t0$1.setTime(+start), t1$1.setTime(+end); - floori(t0$1), floori(t1$1); - return Math.floor(count(t0$1, t1$1)); - }; - - interval.every = function(step) { - step = Math.floor(step); - return !isFinite(step) || !(step > 0) ? null - : !(step > 1) ? interval - : interval.filter(field - ? function(d) { return field(d) % step === 0; } - : function(d) { return interval.count(0, d) % step === 0; }); - }; - } - - return interval; -} - -var millisecond = newInterval(function() { - // noop -}, function(date, step) { - date.setTime(+date + step); -}, function(start, end) { - return end - start; -}); - -// An optimized implementation for this simple case. -millisecond.every = function(k) { - k = Math.floor(k); - if (!isFinite(k) || !(k > 0)) return null; - if (!(k > 1)) return millisecond; - return newInterval(function(date) { - date.setTime(Math.floor(date / k) * k); - }, function(date, step) { - date.setTime(+date + step * k); - }, function(start, end) { - return (end - start) / k; - }); -}; - -var milliseconds = millisecond.range; - -var durationSecond$1 = 1e3; -var durationMinute$1 = 6e4; -var durationHour$1 = 36e5; -var durationDay$1 = 864e5; -var durationWeek$1 = 6048e5; - -var second = newInterval(function(date) { - date.setTime(Math.floor(date / durationSecond$1) * durationSecond$1); -}, function(date, step) { - date.setTime(+date + step * durationSecond$1); -}, function(start, end) { - return (end - start) / durationSecond$1; -}, function(date) { - return date.getUTCSeconds(); -}); - -var seconds = second.range; - -var minute = newInterval(function(date) { - date.setTime(Math.floor(date / durationMinute$1) * durationMinute$1); -}, function(date, step) { - date.setTime(+date + step * durationMinute$1); -}, function(start, end) { - return (end - start) / durationMinute$1; -}, function(date) { - return date.getMinutes(); -}); - -var minutes = minute.range; - -var hour = newInterval(function(date) { - var offset = date.getTimezoneOffset() * durationMinute$1 % durationHour$1; - if (offset < 0) offset += durationHour$1; - date.setTime(Math.floor((+date - offset) / durationHour$1) * durationHour$1 + offset); -}, function(date, step) { - date.setTime(+date + step * durationHour$1); -}, function(start, end) { - return (end - start) / durationHour$1; -}, function(date) { - return date.getHours(); -}); - -var hours = hour.range; - -var day = newInterval(function(date) { - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setDate(date.getDate() + step); -}, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationDay$1; -}, function(date) { - return date.getDate() - 1; -}); - -var days = day.range; - -function weekday(i) { - return newInterval(function(date) { - date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setDate(date.getDate() + step * 7); - }, function(start, end) { - return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute$1) / durationWeek$1; - }); -} - -var sunday = weekday(0); -var monday = weekday(1); -var tuesday = weekday(2); -var wednesday = weekday(3); -var thursday = weekday(4); -var friday = weekday(5); -var saturday = weekday(6); - -var sundays = sunday.range; -var mondays = monday.range; -var tuesdays = tuesday.range; -var wednesdays = wednesday.range; -var thursdays = thursday.range; -var fridays = friday.range; -var saturdays = saturday.range; - -var month = newInterval(function(date) { - date.setDate(1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setMonth(date.getMonth() + step); -}, function(start, end) { - return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12; -}, function(date) { - return date.getMonth(); -}); - -var months = month.range; - -var year = newInterval(function(date) { - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); -}, function(date, step) { - date.setFullYear(date.getFullYear() + step); -}, function(start, end) { - return end.getFullYear() - start.getFullYear(); -}, function(date) { - return date.getFullYear(); -}); - -// An optimized implementation for this simple case. -year.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setFullYear(Math.floor(date.getFullYear() / k) * k); - date.setMonth(0, 1); - date.setHours(0, 0, 0, 0); - }, function(date, step) { - date.setFullYear(date.getFullYear() + step * k); - }); -}; - -var years = year.range; - -var utcMinute = newInterval(function(date) { - date.setUTCSeconds(0, 0); -}, function(date, step) { - date.setTime(+date + step * durationMinute$1); -}, function(start, end) { - return (end - start) / durationMinute$1; -}, function(date) { - return date.getUTCMinutes(); -}); - -var utcMinutes = utcMinute.range; - -var utcHour = newInterval(function(date) { - date.setUTCMinutes(0, 0, 0); -}, function(date, step) { - date.setTime(+date + step * durationHour$1); -}, function(start, end) { - return (end - start) / durationHour$1; -}, function(date) { - return date.getUTCHours(); -}); - -var utcHours = utcHour.range; - -var utcDay = newInterval(function(date) { - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCDate(date.getUTCDate() + step); -}, function(start, end) { - return (end - start) / durationDay$1; -}, function(date) { - return date.getUTCDate() - 1; -}); - -var utcDays = utcDay.range; - -function utcWeekday(i) { - return newInterval(function(date) { - date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCDate(date.getUTCDate() + step * 7); - }, function(start, end) { - return (end - start) / durationWeek$1; - }); -} - -var utcSunday = utcWeekday(0); -var utcMonday = utcWeekday(1); -var utcTuesday = utcWeekday(2); -var utcWednesday = utcWeekday(3); -var utcThursday = utcWeekday(4); -var utcFriday = utcWeekday(5); -var utcSaturday = utcWeekday(6); - -var utcSundays = utcSunday.range; -var utcMondays = utcMonday.range; -var utcTuesdays = utcTuesday.range; -var utcWednesdays = utcWednesday.range; -var utcThursdays = utcThursday.range; -var utcFridays = utcFriday.range; -var utcSaturdays = utcSaturday.range; - -var utcMonth = newInterval(function(date) { - date.setUTCDate(1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCMonth(date.getUTCMonth() + step); -}, function(start, end) { - return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12; -}, function(date) { - return date.getUTCMonth(); -}); - -var utcMonths = utcMonth.range; - -var utcYear = newInterval(function(date) { - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); -}, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step); -}, function(start, end) { - return end.getUTCFullYear() - start.getUTCFullYear(); -}, function(date) { - return date.getUTCFullYear(); -}); - -// An optimized implementation for this simple case. -utcYear.every = function(k) { - return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) { - date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k); - date.setUTCMonth(0, 1); - date.setUTCHours(0, 0, 0, 0); - }, function(date, step) { - date.setUTCFullYear(date.getUTCFullYear() + step * k); - }); -}; - -var utcYears = utcYear.range; - -function localDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L); - date.setFullYear(d.y); - return date; - } - return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L); -} - -function utcDate(d) { - if (0 <= d.y && d.y < 100) { - var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L)); - date.setUTCFullYear(d.y); - return date; - } - return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L)); -} - -function newYear(y) { - return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0}; -} - -function formatLocale$1(locale) { - var locale_dateTime = locale.dateTime, - locale_date = locale.date, - locale_time = locale.time, - locale_periods = locale.periods, - locale_weekdays = locale.days, - locale_shortWeekdays = locale.shortDays, - locale_months = locale.months, - locale_shortMonths = locale.shortMonths; - - var periodRe = formatRe(locale_periods), - periodLookup = formatLookup(locale_periods), - weekdayRe = formatRe(locale_weekdays), - weekdayLookup = formatLookup(locale_weekdays), - shortWeekdayRe = formatRe(locale_shortWeekdays), - shortWeekdayLookup = formatLookup(locale_shortWeekdays), - monthRe = formatRe(locale_months), - monthLookup = formatLookup(locale_months), - shortMonthRe = formatRe(locale_shortMonths), - shortMonthLookup = formatLookup(locale_shortMonths); - - var formats = { - "a": formatShortWeekday, - "A": formatWeekday, - "b": formatShortMonth, - "B": formatMonth, - "c": null, - "d": formatDayOfMonth, - "e": formatDayOfMonth, - "f": formatMicroseconds, - "H": formatHour24, - "I": formatHour12, - "j": formatDayOfYear, - "L": formatMilliseconds, - "m": formatMonthNumber, - "M": formatMinutes, - "p": formatPeriod, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatSeconds, - "u": formatWeekdayNumberMonday, - "U": formatWeekNumberSunday, - "V": formatWeekNumberISO, - "w": formatWeekdayNumberSunday, - "W": formatWeekNumberMonday, - "x": null, - "X": null, - "y": formatYear, - "Y": formatFullYear, - "Z": formatZone, - "%": formatLiteralPercent - }; - - var utcFormats = { - "a": formatUTCShortWeekday, - "A": formatUTCWeekday, - "b": formatUTCShortMonth, - "B": formatUTCMonth, - "c": null, - "d": formatUTCDayOfMonth, - "e": formatUTCDayOfMonth, - "f": formatUTCMicroseconds, - "H": formatUTCHour24, - "I": formatUTCHour12, - "j": formatUTCDayOfYear, - "L": formatUTCMilliseconds, - "m": formatUTCMonthNumber, - "M": formatUTCMinutes, - "p": formatUTCPeriod, - "Q": formatUnixTimestamp, - "s": formatUnixTimestampSeconds, - "S": formatUTCSeconds, - "u": formatUTCWeekdayNumberMonday, - "U": formatUTCWeekNumberSunday, - "V": formatUTCWeekNumberISO, - "w": formatUTCWeekdayNumberSunday, - "W": formatUTCWeekNumberMonday, - "x": null, - "X": null, - "y": formatUTCYear, - "Y": formatUTCFullYear, - "Z": formatUTCZone, - "%": formatLiteralPercent - }; - - var parses = { - "a": parseShortWeekday, - "A": parseWeekday, - "b": parseShortMonth, - "B": parseMonth, - "c": parseLocaleDateTime, - "d": parseDayOfMonth, - "e": parseDayOfMonth, - "f": parseMicroseconds, - "H": parseHour24, - "I": parseHour24, - "j": parseDayOfYear, - "L": parseMilliseconds, - "m": parseMonthNumber, - "M": parseMinutes, - "p": parsePeriod, - "Q": parseUnixTimestamp, - "s": parseUnixTimestampSeconds, - "S": parseSeconds, - "u": parseWeekdayNumberMonday, - "U": parseWeekNumberSunday, - "V": parseWeekNumberISO, - "w": parseWeekdayNumberSunday, - "W": parseWeekNumberMonday, - "x": parseLocaleDate, - "X": parseLocaleTime, - "y": parseYear, - "Y": parseFullYear, - "Z": parseZone, - "%": parseLiteralPercent - }; - - // These recursive directive definitions must be deferred. - formats.x = newFormat(locale_date, formats); - formats.X = newFormat(locale_time, formats); - formats.c = newFormat(locale_dateTime, formats); - utcFormats.x = newFormat(locale_date, utcFormats); - utcFormats.X = newFormat(locale_time, utcFormats); - utcFormats.c = newFormat(locale_dateTime, utcFormats); - - function newFormat(specifier, formats) { - return function(date) { - var string = [], - i = -1, - j = 0, - n = specifier.length, - c, - pad, - format; - - if (!(date instanceof Date)) date = new Date(+date); - - while (++i < n) { - if (specifier.charCodeAt(i) === 37) { - string.push(specifier.slice(j, i)); - if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i); - else pad = c === "e" ? " " : "0"; - if (format = formats[c]) c = format(date, pad); - string.push(c); - j = i + 1; - } - } - - string.push(specifier.slice(j, i)); - return string.join(""); - }; - } - - function newParse(specifier, newDate) { - return function(string) { - var d = newYear(1900), - i = parseSpecifier(d, specifier, string += "", 0), - week, day$$1; - if (i != string.length) return null; - - // If a UNIX timestamp is specified, return it. - if ("Q" in d) return new Date(d.Q); - - // The am-pm flag is 0 for AM, and 1 for PM. - if ("p" in d) d.H = d.H % 12 + d.p * 12; - - // Convert day-of-week and week-of-year to day-of-year. - if ("V" in d) { - if (d.V < 1 || d.V > 53) return null; - if (!("w" in d)) d.w = 1; - if ("Z" in d) { - week = utcDate(newYear(d.y)), day$$1 = week.getUTCDay(); - week = day$$1 > 4 || day$$1 === 0 ? utcMonday.ceil(week) : utcMonday(week); - week = utcDay.offset(week, (d.V - 1) * 7); - d.y = week.getUTCFullYear(); - d.m = week.getUTCMonth(); - d.d = week.getUTCDate() + (d.w + 6) % 7; - } else { - week = newDate(newYear(d.y)), day$$1 = week.getDay(); - week = day$$1 > 4 || day$$1 === 0 ? monday.ceil(week) : monday(week); - week = day.offset(week, (d.V - 1) * 7); - d.y = week.getFullYear(); - d.m = week.getMonth(); - d.d = week.getDate() + (d.w + 6) % 7; - } - } else if ("W" in d || "U" in d) { - if (!("w" in d)) d.w = "u" in d ? d.u % 7 : "W" in d ? 1 : 0; - day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay(); - d.m = 0; - d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7; - } - - // If a time zone is specified, all fields are interpreted as UTC and then - // offset according to the specified time zone. - if ("Z" in d) { - d.H += d.Z / 100 | 0; - d.M += d.Z % 100; - return utcDate(d); - } - - // Otherwise, all fields are in local time. - return newDate(d); - }; - } - - function parseSpecifier(d, specifier, string, j) { - var i = 0, - n = specifier.length, - m = string.length, - c, - parse; - - while (i < n) { - if (j >= m) return -1; - c = specifier.charCodeAt(i++); - if (c === 37) { - c = specifier.charAt(i++); - parse = parses[c in pads ? specifier.charAt(i++) : c]; - if (!parse || ((j = parse(d, string, j)) < 0)) return -1; - } else if (c != string.charCodeAt(j++)) { - return -1; - } - } - - return j; - } - - function parsePeriod(d, string, i) { - var n = periodRe.exec(string.slice(i)); - return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseShortWeekday(d, string, i) { - var n = shortWeekdayRe.exec(string.slice(i)); - return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseWeekday(d, string, i) { - var n = weekdayRe.exec(string.slice(i)); - return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseShortMonth(d, string, i) { - var n = shortMonthRe.exec(string.slice(i)); - return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseMonth(d, string, i) { - var n = monthRe.exec(string.slice(i)); - return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1; - } - - function parseLocaleDateTime(d, string, i) { - return parseSpecifier(d, locale_dateTime, string, i); - } - - function parseLocaleDate(d, string, i) { - return parseSpecifier(d, locale_date, string, i); - } - - function parseLocaleTime(d, string, i) { - return parseSpecifier(d, locale_time, string, i); - } - - function formatShortWeekday(d) { - return locale_shortWeekdays[d.getDay()]; - } - - function formatWeekday(d) { - return locale_weekdays[d.getDay()]; - } - - function formatShortMonth(d) { - return locale_shortMonths[d.getMonth()]; - } - - function formatMonth(d) { - return locale_months[d.getMonth()]; - } - - function formatPeriod(d) { - return locale_periods[+(d.getHours() >= 12)]; - } - - function formatUTCShortWeekday(d) { - return locale_shortWeekdays[d.getUTCDay()]; - } - - function formatUTCWeekday(d) { - return locale_weekdays[d.getUTCDay()]; - } - - function formatUTCShortMonth(d) { - return locale_shortMonths[d.getUTCMonth()]; - } - - function formatUTCMonth(d) { - return locale_months[d.getUTCMonth()]; - } - - function formatUTCPeriod(d) { - return locale_periods[+(d.getUTCHours() >= 12)]; - } - - return { - format: function(specifier) { - var f = newFormat(specifier += "", formats); - f.toString = function() { return specifier; }; - return f; - }, - parse: function(specifier) { - var p = newParse(specifier += "", localDate); - p.toString = function() { return specifier; }; - return p; - }, - utcFormat: function(specifier) { - var f = newFormat(specifier += "", utcFormats); - f.toString = function() { return specifier; }; - return f; - }, - utcParse: function(specifier) { - var p = newParse(specifier, utcDate); - p.toString = function() { return specifier; }; - return p; - } - }; -} - -var pads = {"-": "", "_": " ", "0": "0"}; -var numberRe = /^\s*\d+/; -var percentRe = /^%/; -var requoteRe = /[\\^$*+?|[\]().{}]/g; - -function pad(value, fill, width) { - var sign = value < 0 ? "-" : "", - string = (sign ? -value : value) + "", - length = string.length; - return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string); -} - -function requote(s) { - return s.replace(requoteRe, "\\$&"); -} - -function formatRe(names) { - return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i"); -} - -function formatLookup(names) { - var map = {}, i = -1, n = names.length; - while (++i < n) map[names[i].toLowerCase()] = i; - return map; -} - -function parseWeekdayNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.w = +n[0], i + n[0].length) : -1; -} - -function parseWeekdayNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 1)); - return n ? (d.u = +n[0], i + n[0].length) : -1; -} - -function parseWeekNumberSunday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.U = +n[0], i + n[0].length) : -1; -} - -function parseWeekNumberISO(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.V = +n[0], i + n[0].length) : -1; -} - -function parseWeekNumberMonday(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.W = +n[0], i + n[0].length) : -1; -} - -function parseFullYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 4)); - return n ? (d.y = +n[0], i + n[0].length) : -1; -} - -function parseYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1; -} - -function parseZone(d, string, i) { - var n = /^(Z)|([+-]\d\d)(?::?(\d\d))?/.exec(string.slice(i, i + 6)); - return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1; -} - -function parseMonthNumber(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.m = n[0] - 1, i + n[0].length) : -1; -} - -function parseDayOfMonth(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.d = +n[0], i + n[0].length) : -1; -} - -function parseDayOfYear(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1; -} - -function parseHour24(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.H = +n[0], i + n[0].length) : -1; -} - -function parseMinutes(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.M = +n[0], i + n[0].length) : -1; -} - -function parseSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 2)); - return n ? (d.S = +n[0], i + n[0].length) : -1; -} - -function parseMilliseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 3)); - return n ? (d.L = +n[0], i + n[0].length) : -1; -} - -function parseMicroseconds(d, string, i) { - var n = numberRe.exec(string.slice(i, i + 6)); - return n ? (d.L = Math.floor(n[0] / 1000), i + n[0].length) : -1; -} - -function parseLiteralPercent(d, string, i) { - var n = percentRe.exec(string.slice(i, i + 1)); - return n ? i + n[0].length : -1; -} - -function parseUnixTimestamp(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.Q = +n[0], i + n[0].length) : -1; -} - -function parseUnixTimestampSeconds(d, string, i) { - var n = numberRe.exec(string.slice(i)); - return n ? (d.Q = (+n[0]) * 1000, i + n[0].length) : -1; -} - -function formatDayOfMonth(d, p) { - return pad(d.getDate(), p, 2); -} - -function formatHour24(d, p) { - return pad(d.getHours(), p, 2); -} - -function formatHour12(d, p) { - return pad(d.getHours() % 12 || 12, p, 2); -} - -function formatDayOfYear(d, p) { - return pad(1 + day.count(year(d), d), p, 3); -} - -function formatMilliseconds(d, p) { - return pad(d.getMilliseconds(), p, 3); -} - -function formatMicroseconds(d, p) { - return formatMilliseconds(d, p) + "000"; -} - -function formatMonthNumber(d, p) { - return pad(d.getMonth() + 1, p, 2); -} - -function formatMinutes(d, p) { - return pad(d.getMinutes(), p, 2); -} - -function formatSeconds(d, p) { - return pad(d.getSeconds(), p, 2); -} - -function formatWeekdayNumberMonday(d) { - var day$$1 = d.getDay(); - return day$$1 === 0 ? 7 : day$$1; -} - -function formatWeekNumberSunday(d, p) { - return pad(sunday.count(year(d), d), p, 2); -} - -function formatWeekNumberISO(d, p) { - var day$$1 = d.getDay(); - d = (day$$1 >= 4 || day$$1 === 0) ? thursday(d) : thursday.ceil(d); - return pad(thursday.count(year(d), d) + (year(d).getDay() === 4), p, 2); -} - -function formatWeekdayNumberSunday(d) { - return d.getDay(); -} - -function formatWeekNumberMonday(d, p) { - return pad(monday.count(year(d), d), p, 2); -} - -function formatYear(d, p) { - return pad(d.getFullYear() % 100, p, 2); -} - -function formatFullYear(d, p) { - return pad(d.getFullYear() % 10000, p, 4); -} - -function formatZone(d) { - var z = d.getTimezoneOffset(); - return (z > 0 ? "-" : (z *= -1, "+")) - + pad(z / 60 | 0, "0", 2) - + pad(z % 60, "0", 2); -} - -function formatUTCDayOfMonth(d, p) { - return pad(d.getUTCDate(), p, 2); -} - -function formatUTCHour24(d, p) { - return pad(d.getUTCHours(), p, 2); -} - -function formatUTCHour12(d, p) { - return pad(d.getUTCHours() % 12 || 12, p, 2); -} - -function formatUTCDayOfYear(d, p) { - return pad(1 + utcDay.count(utcYear(d), d), p, 3); -} - -function formatUTCMilliseconds(d, p) { - return pad(d.getUTCMilliseconds(), p, 3); -} - -function formatUTCMicroseconds(d, p) { - return formatUTCMilliseconds(d, p) + "000"; -} - -function formatUTCMonthNumber(d, p) { - return pad(d.getUTCMonth() + 1, p, 2); -} - -function formatUTCMinutes(d, p) { - return pad(d.getUTCMinutes(), p, 2); -} - -function formatUTCSeconds(d, p) { - return pad(d.getUTCSeconds(), p, 2); -} - -function formatUTCWeekdayNumberMonday(d) { - var dow = d.getUTCDay(); - return dow === 0 ? 7 : dow; -} - -function formatUTCWeekNumberSunday(d, p) { - return pad(utcSunday.count(utcYear(d), d), p, 2); -} - -function formatUTCWeekNumberISO(d, p) { - var day$$1 = d.getUTCDay(); - d = (day$$1 >= 4 || day$$1 === 0) ? utcThursday(d) : utcThursday.ceil(d); - return pad(utcThursday.count(utcYear(d), d) + (utcYear(d).getUTCDay() === 4), p, 2); -} - -function formatUTCWeekdayNumberSunday(d) { - return d.getUTCDay(); -} - -function formatUTCWeekNumberMonday(d, p) { - return pad(utcMonday.count(utcYear(d), d), p, 2); -} - -function formatUTCYear(d, p) { - return pad(d.getUTCFullYear() % 100, p, 2); -} - -function formatUTCFullYear(d, p) { - return pad(d.getUTCFullYear() % 10000, p, 4); -} - -function formatUTCZone() { - return "+0000"; -} - -function formatLiteralPercent() { - return "%"; -} - -function formatUnixTimestamp(d) { - return +d; -} - -function formatUnixTimestampSeconds(d) { - return Math.floor(+d / 1000); -} - -var locale$1; - - - - - -defaultLocale$1({ - dateTime: "%x, %X", - date: "%-m/%-d/%Y", - time: "%-I:%M:%S %p", - periods: ["AM", "PM"], - days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], - shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], - months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"], - shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"] -}); - -function defaultLocale$1(definition) { - locale$1 = formatLocale$1(definition); - exports.timeFormat = locale$1.format; - exports.timeParse = locale$1.parse; - exports.utcFormat = locale$1.utcFormat; - exports.utcParse = locale$1.utcParse; - return locale$1; -} - -var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ"; - -function formatIsoNative(date) { - return date.toISOString(); -} - -var formatIso = Date.prototype.toISOString - ? formatIsoNative - : exports.utcFormat(isoSpecifier); - -function parseIsoNative(string) { - var date = new Date(string); - return isNaN(date) ? null : date; -} - -var parseIso = +new Date("2000-01-01T00:00:00.000Z") - ? parseIsoNative - : exports.utcParse(isoSpecifier); - -var durationSecond = 1000; -var durationMinute = durationSecond * 60; -var durationHour = durationMinute * 60; -var durationDay = durationHour * 24; -var durationWeek = durationDay * 7; -var durationMonth = durationDay * 30; -var durationYear = durationDay * 365; - -function date$1(t) { - return new Date(t); -} - -function number$3(t) { - return t instanceof Date ? +t : +new Date(+t); -} - -function calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format) { - var scale = continuous(deinterpolateLinear, reinterpolate), - invert = scale.invert, - domain = scale.domain; - - var formatMillisecond = format(".%L"), - formatSecond = format(":%S"), - formatMinute = format("%I:%M"), - formatHour = format("%I %p"), - formatDay = format("%a %d"), - formatWeek = format("%b %d"), - formatMonth = format("%B"), - formatYear = format("%Y"); - - var tickIntervals = [ - [second$$1, 1, durationSecond], - [second$$1, 5, 5 * durationSecond], - [second$$1, 15, 15 * durationSecond], - [second$$1, 30, 30 * durationSecond], - [minute$$1, 1, durationMinute], - [minute$$1, 5, 5 * durationMinute], - [minute$$1, 15, 15 * durationMinute], - [minute$$1, 30, 30 * durationMinute], - [ hour$$1, 1, durationHour ], - [ hour$$1, 3, 3 * durationHour ], - [ hour$$1, 6, 6 * durationHour ], - [ hour$$1, 12, 12 * durationHour ], - [ day$$1, 1, durationDay ], - [ day$$1, 2, 2 * durationDay ], - [ week, 1, durationWeek ], - [ month$$1, 1, durationMonth ], - [ month$$1, 3, 3 * durationMonth ], - [ year$$1, 1, durationYear ] - ]; - - function tickFormat(date) { - return (second$$1(date) < date ? formatMillisecond - : minute$$1(date) < date ? formatSecond - : hour$$1(date) < date ? formatMinute - : day$$1(date) < date ? formatHour - : month$$1(date) < date ? (week(date) < date ? formatDay : formatWeek) - : year$$1(date) < date ? formatMonth - : formatYear)(date); - } - - function tickInterval(interval, start, stop, step) { - if (interval == null) interval = 10; - - // If a desired tick count is specified, pick a reasonable tick interval - // based on the extent of the domain and a rough estimate of tick size. - // Otherwise, assume interval is already a time interval and use it. - if (typeof interval === "number") { - var target = Math.abs(stop - start) / interval, - i = bisector(function(i) { return i[2]; }).right(tickIntervals, target); - if (i === tickIntervals.length) { - step = tickStep(start / durationYear, stop / durationYear, interval); - interval = year$$1; - } else if (i) { - i = tickIntervals[target / tickIntervals[i - 1][2] < tickIntervals[i][2] / target ? i - 1 : i]; - step = i[1]; - interval = i[0]; - } else { - step = Math.max(tickStep(start, stop, interval), 1); - interval = millisecond$$1; - } - } - - return step == null ? interval : interval.every(step); - } - - scale.invert = function(y) { - return new Date(invert(y)); - }; - - scale.domain = function(_) { - return arguments.length ? domain(map$3.call(_, number$3)) : domain().map(date$1); - }; - - scale.ticks = function(interval, step) { - var d = domain(), - t0 = d[0], - t1 = d[d.length - 1], - r = t1 < t0, - t; - if (r) t = t0, t0 = t1, t1 = t; - t = tickInterval(interval, t0, t1, step); - t = t ? t.range(t0, t1 + 1) : []; // inclusive stop - return r ? t.reverse() : t; - }; - - scale.tickFormat = function(count, specifier) { - return specifier == null ? tickFormat : format(specifier); - }; - - scale.nice = function(interval, step) { - var d = domain(); - return (interval = tickInterval(interval, d[0], d[d.length - 1], step)) - ? domain(nice(d, interval)) - : scale; - }; - - scale.copy = function() { - return copy(scale, calendar(year$$1, month$$1, week, day$$1, hour$$1, minute$$1, second$$1, millisecond$$1, format)); - }; - - return scale; -} - -function time() { - return calendar(year, month, sunday, day, hour, minute, second, millisecond, exports.timeFormat).domain([new Date(2000, 0, 1), new Date(2000, 0, 2)]); -} - -function utcTime() { - return calendar(utcYear, utcMonth, utcSunday, utcDay, utcHour, utcMinute, second, millisecond, exports.utcFormat).domain([Date.UTC(2000, 0, 1), Date.UTC(2000, 0, 2)]); -} - -function colors(s) { - return s.match(/.{6}/g).map(function(x) { - return "#" + x; - }); -} - -var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); - -var category20b = colors("393b795254a36b6ecf9c9ede6379398ca252b5cf6bcedb9c8c6d31bd9e39e7ba52e7cb94843c39ad494ad6616be7969c7b4173a55194ce6dbdde9ed6"); - -var category20c = colors("3182bd6baed69ecae1c6dbefe6550dfd8d3cfdae6bfdd0a231a35474c476a1d99bc7e9c0756bb19e9ac8bcbddcdadaeb636363969696bdbdbdd9d9d9"); - -var category20 = colors("1f77b4aec7e8ff7f0effbb782ca02c98df8ad62728ff98969467bdc5b0d58c564bc49c94e377c2f7b6d27f7f7fc7c7c7bcbd22dbdb8d17becf9edae5"); - -var cubehelix$3 = cubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0)); - -var warm = cubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - -var cool = cubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8)); - -var rainbow = cubehelix(); - -function rainbow$1(t) { - if (t < 0 || t > 1) t -= Math.floor(t); - var ts = Math.abs(t - 0.5); - rainbow.h = 360 * t - 100; - rainbow.s = 1.5 - 1.5 * ts; - rainbow.l = 0.8 - 0.9 * ts; - return rainbow + ""; -} - -function ramp(range) { - var n = range.length; - return function(t) { - return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))]; - }; -} - -var viridis = ramp(colors("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")); - -var magma = ramp(colors("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")); - -var inferno = ramp(colors("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")); - -var plasma = ramp(colors("0d088710078813078916078a19068c1b068d1d068e20068f2206902406912605912805922a05932c05942e05952f059631059733059735049837049938049a3a049a3c049b3e049c3f049c41049d43039e44039e46039f48039f4903a04b03a14c02a14e02a25002a25102a35302a35502a45601a45801a45901a55b01a55c01a65e01a66001a66100a76300a76400a76600a76700a86900a86a00a86c00a86e00a86f00a87100a87201a87401a87501a87701a87801a87a02a87b02a87d03a87e03a88004a88104a78305a78405a78606a68707a68808a68a09a58b0aa58d0ba58e0ca48f0da4910ea3920fa39410a29511a19613a19814a099159f9a169f9c179e9d189d9e199da01a9ca11b9ba21d9aa31e9aa51f99a62098a72197a82296aa2395ab2494ac2694ad2793ae2892b02991b12a90b22b8fb32c8eb42e8db52f8cb6308bb7318ab83289ba3388bb3488bc3587bd3786be3885bf3984c03a83c13b82c23c81c33d80c43e7fc5407ec6417dc7427cc8437bc9447aca457acb4679cc4778cc4977cd4a76ce4b75cf4c74d04d73d14e72d24f71d35171d45270d5536fd5546ed6556dd7566cd8576bd9586ada5a6ada5b69db5c68dc5d67dd5e66de5f65de6164df6263e06363e16462e26561e26660e3685fe4695ee56a5de56b5de66c5ce76e5be76f5ae87059e97158e97257ea7457eb7556eb7655ec7754ed7953ed7a52ee7b51ef7c51ef7e50f07f4ff0804ef1814df1834cf2844bf3854bf3874af48849f48948f58b47f58c46f68d45f68f44f79044f79143f79342f89441f89540f9973ff9983ef99a3efa9b3dfa9c3cfa9e3bfb9f3afba139fba238fca338fca537fca636fca835fca934fdab33fdac33fdae32fdaf31fdb130fdb22ffdb42ffdb52efeb72dfeb82cfeba2cfebb2bfebd2afebe2afec029fdc229fdc328fdc527fdc627fdc827fdca26fdcb26fccd25fcce25fcd025fcd225fbd324fbd524fbd724fad824fada24f9dc24f9dd25f8df25f8e125f7e225f7e425f6e626f6e826f5e926f5eb27f4ed27f3ee27f3f027f2f227f1f426f1f525f0f724f0f921")); - -function sequential(interpolator) { - var x0 = 0, - x1 = 1, - clamp = false; - - function scale(x) { - var t = (x - x0) / (x1 - x0); - return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t); - } - - scale.domain = function(_) { - return arguments.length ? (x0 = +_[0], x1 = +_[1], scale) : [x0, x1]; - }; - - scale.clamp = function(_) { - return arguments.length ? (clamp = !!_, scale) : clamp; - }; - - scale.interpolator = function(_) { - return arguments.length ? (interpolator = _, scale) : interpolator; - }; - - scale.copy = function() { - return sequential(interpolator).domain([x0, x1]).clamp(clamp); - }; - - return linearish(scale); -} - -function constant$10(x) { - return function constant() { - return x; - }; -} - -var abs$1 = Math.abs; -var atan2$1 = Math.atan2; -var cos$2 = Math.cos; -var max$2 = Math.max; -var min$1 = Math.min; -var sin$2 = Math.sin; -var sqrt$2 = Math.sqrt; - -var epsilon$3 = 1e-12; -var pi$4 = Math.PI; -var halfPi$3 = pi$4 / 2; -var tau$4 = 2 * pi$4; - -function acos$1(x) { - return x > 1 ? 0 : x < -1 ? pi$4 : Math.acos(x); -} - -function asin$1(x) { - return x >= 1 ? halfPi$3 : x <= -1 ? -halfPi$3 : Math.asin(x); -} - -function arcInnerRadius(d) { - return d.innerRadius; -} - -function arcOuterRadius(d) { - return d.outerRadius; -} - -function arcStartAngle(d) { - return d.startAngle; -} - -function arcEndAngle(d) { - return d.endAngle; -} - -function arcPadAngle(d) { - return d && d.padAngle; // Note: optional! -} - -function intersect(x0, y0, x1, y1, x2, y2, x3, y3) { - var x10 = x1 - x0, y10 = y1 - y0, - x32 = x3 - x2, y32 = y3 - y2, - t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / (y32 * x10 - x32 * y10); - return [x0 + t * x10, y0 + t * y10]; -} - -// Compute perpendicular offset line of length rc. -// http://mathworld.wolfram.com/Circle-LineIntersection.html -function cornerTangents(x0, y0, x1, y1, r1, rc, cw) { - var x01 = x0 - x1, - y01 = y0 - y1, - lo = (cw ? rc : -rc) / sqrt$2(x01 * x01 + y01 * y01), - ox = lo * y01, - oy = -lo * x01, - x11 = x0 + ox, - y11 = y0 + oy, - x10 = x1 + ox, - y10 = y1 + oy, - x00 = (x11 + x10) / 2, - y00 = (y11 + y10) / 2, - dx = x10 - x11, - dy = y10 - y11, - d2 = dx * dx + dy * dy, - r = r1 - rc, - D = x11 * y10 - x10 * y11, - d = (dy < 0 ? -1 : 1) * sqrt$2(max$2(0, r * r * d2 - D * D)), - cx0 = (D * dy - dx * d) / d2, - cy0 = (-D * dx - dy * d) / d2, - cx1 = (D * dy + dx * d) / d2, - cy1 = (-D * dx + dy * d) / d2, - dx0 = cx0 - x00, - dy0 = cy0 - y00, - dx1 = cx1 - x00, - dy1 = cy1 - y00; - - // Pick the closer of the two intersection points. - // TODO Is there a faster way to determine which intersection to use? - if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1; - - return { - cx: cx0, - cy: cy0, - x01: -ox, - y01: -oy, - x11: cx0 * (r1 / r - 1), - y11: cy0 * (r1 / r - 1) - }; -} - -function arc() { - var innerRadius = arcInnerRadius, - outerRadius = arcOuterRadius, - cornerRadius = constant$10(0), - padRadius = null, - startAngle = arcStartAngle, - endAngle = arcEndAngle, - padAngle = arcPadAngle, - context = null; - - function arc() { - var buffer, - r, - r0 = +innerRadius.apply(this, arguments), - r1 = +outerRadius.apply(this, arguments), - a0 = startAngle.apply(this, arguments) - halfPi$3, - a1 = endAngle.apply(this, arguments) - halfPi$3, - da = abs$1(a1 - a0), - cw = a1 > a0; - - if (!context) context = buffer = path(); - - // Ensure that the outer radius is always larger than the inner radius. - if (r1 < r0) r = r1, r1 = r0, r0 = r; - - // Is it a point? - if (!(r1 > epsilon$3)) context.moveTo(0, 0); - - // Or is it a circle or annulus? - else if (da > tau$4 - epsilon$3) { - context.moveTo(r1 * cos$2(a0), r1 * sin$2(a0)); - context.arc(0, 0, r1, a0, a1, !cw); - if (r0 > epsilon$3) { - context.moveTo(r0 * cos$2(a1), r0 * sin$2(a1)); - context.arc(0, 0, r0, a1, a0, cw); - } - } - - // Or is it a circular or annular sector? - else { - var a01 = a0, - a11 = a1, - a00 = a0, - a10 = a1, - da0 = da, - da1 = da, - ap = padAngle.apply(this, arguments) / 2, - rp = (ap > epsilon$3) && (padRadius ? +padRadius.apply(this, arguments) : sqrt$2(r0 * r0 + r1 * r1)), - rc = min$1(abs$1(r1 - r0) / 2, +cornerRadius.apply(this, arguments)), - rc0 = rc, - rc1 = rc, - t0, - t1; - - // Apply padding? Note that since r1 ≥ r0, da1 ≥ da0. - if (rp > epsilon$3) { - var p0 = asin$1(rp / r0 * sin$2(ap)), - p1 = asin$1(rp / r1 * sin$2(ap)); - if ((da0 -= p0 * 2) > epsilon$3) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0; - else da0 = 0, a00 = a10 = (a0 + a1) / 2; - if ((da1 -= p1 * 2) > epsilon$3) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1; - else da1 = 0, a01 = a11 = (a0 + a1) / 2; - } - - var x01 = r1 * cos$2(a01), - y01 = r1 * sin$2(a01), - x10 = r0 * cos$2(a10), - y10 = r0 * sin$2(a10); - - // Apply rounded corners? - if (rc > epsilon$3) { - var x11 = r1 * cos$2(a11), - y11 = r1 * sin$2(a11), - x00 = r0 * cos$2(a00), - y00 = r0 * sin$2(a00); - - // Restrict the corner radius according to the sector angle. - if (da < pi$4) { - var oc = da0 > epsilon$3 ? intersect(x01, y01, x00, y00, x11, y11, x10, y10) : [x10, y10], - ax = x01 - oc[0], - ay = y01 - oc[1], - bx = x11 - oc[0], - by = y11 - oc[1], - kc = 1 / sin$2(acos$1((ax * bx + ay * by) / (sqrt$2(ax * ax + ay * ay) * sqrt$2(bx * bx + by * by))) / 2), - lc = sqrt$2(oc[0] * oc[0] + oc[1] * oc[1]); - rc0 = min$1(rc, (r0 - lc) / (kc - 1)); - rc1 = min$1(rc, (r1 - lc) / (kc + 1)); - } - } - - // Is the sector collapsed to a line? - if (!(da1 > epsilon$3)) context.moveTo(x01, y01); - - // Does the sector’s outer ring have rounded corners? - else if (rc1 > epsilon$3) { - t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw); - t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw); - - context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01); - - // Have the corners merged? - if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); - - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc1, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); - context.arc(0, 0, r1, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), !cw); - context.arc(t1.cx, t1.cy, rc1, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); - } - } - - // Or is the outer ring just a circular arc? - else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw); - - // Is there no inner ring, and it’s a circular sector? - // Or perhaps it’s an annular sector collapsed due to padding? - if (!(r0 > epsilon$3) || !(da0 > epsilon$3)) context.lineTo(x10, y10); - - // Does the sector’s inner ring (or point) have rounded corners? - else if (rc0 > epsilon$3) { - t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw); - t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw); - - context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01); - - // Have the corners merged? - if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t1.y01, t1.x01), !cw); - - // Otherwise, draw the two corners and the ring. - else { - context.arc(t0.cx, t0.cy, rc0, atan2$1(t0.y01, t0.x01), atan2$1(t0.y11, t0.x11), !cw); - context.arc(0, 0, r0, atan2$1(t0.cy + t0.y11, t0.cx + t0.x11), atan2$1(t1.cy + t1.y11, t1.cx + t1.x11), cw); - context.arc(t1.cx, t1.cy, rc0, atan2$1(t1.y11, t1.x11), atan2$1(t1.y01, t1.x01), !cw); - } - } - - // Or is the inner ring just a circular arc? - else context.arc(0, 0, r0, a10, a00, cw); - } - - context.closePath(); - - if (buffer) return context = null, buffer + "" || null; - } - - arc.centroid = function() { - var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, - a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$4 / 2; - return [cos$2(a) * r, sin$2(a) * r]; - }; - - arc.innerRadius = function(_) { - return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : innerRadius; - }; - - arc.outerRadius = function(_) { - return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : outerRadius; - }; - - arc.cornerRadius = function(_) { - return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$10(+_), arc) : cornerRadius; - }; - - arc.padRadius = function(_) { - return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), arc) : padRadius; - }; - - arc.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : startAngle; - }; - - arc.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : endAngle; - }; - - arc.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), arc) : padAngle; - }; - - arc.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, arc) : context; - }; - - return arc; -} - -function Linear(context) { - this._context = context; -} - -Linear.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: this._context.lineTo(x, y); break; - } - } -}; - -function curveLinear(context) { - return new Linear(context); -} - -function x$3(p) { - return p[0]; -} - -function y$3(p) { - return p[1]; -} - -function line() { - var x$$1 = x$3, - y$$1 = y$3, - defined = constant$10(true), - context = null, - curve = curveLinear, - output = null; - - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; - - if (context == null) output = curve(buffer = path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) output.lineStart(); - else output.lineEnd(); - } - if (defined0) output.point(+x$$1(d, i, data), +y$$1(d, i, data)); - } - - if (buffer) return output = null, buffer + "" || null; - } - - line.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : x$$1; - }; - - line.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), line) : y$$1; - }; - - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), line) : defined; - }; - - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; - - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; - - return line; -} - -function area$2() { - var x0 = x$3, - x1 = null, - y0 = constant$10(0), - y1 = y$3, - defined = constant$10(true), - context = null, - curve = curveLinear, - output = null; - - function area(data) { - var i, - j, - k, - n = data.length, - d, - defined0 = false, - buffer, - x0z = new Array(n), - y0z = new Array(n); - - if (context == null) output = curve(buffer = path()); - - for (i = 0; i <= n; ++i) { - if (!(i < n && defined(d = data[i], i, data)) === defined0) { - if (defined0 = !defined0) { - j = i; - output.areaStart(); - output.lineStart(); - } else { - output.lineEnd(); - output.lineStart(); - for (k = i - 1; k >= j; --k) { - output.point(x0z[k], y0z[k]); - } - output.lineEnd(); - output.areaEnd(); - } - } - if (defined0) { - x0z[i] = +x0(d, i, data), y0z[i] = +y0(d, i, data); - output.point(x1 ? +x1(d, i, data) : x0z[i], y1 ? +y1(d, i, data) : y0z[i]); - } - } - - if (buffer) return output = null, buffer + "" || null; - } - - function arealine() { - return line().defined(defined).curve(curve).context(context); - } - - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), x1 = null, area) : x0; - }; - - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$10(+_), area) : x0; - }; - - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : x1; - }; - - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), y1 = null, area) : y0; - }; - - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$10(+_), area) : y0; - }; - - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$10(+_), area) : y1; - }; - - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); - }; - - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; - - area.lineX1 = function() { - return arealine().x(x1).y(y0); - }; - - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$10(!!_), area) : defined; - }; - - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; - - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; - - return area; -} - -function descending$1(a, b) { - return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN; -} - -function identity$7(d) { - return d; -} - -function pie() { - var value = identity$7, - sortValues = descending$1, - sort = null, - startAngle = constant$10(0), - endAngle = constant$10(tau$4), - padAngle = constant$10(0); - - function pie(data) { - var i, - n = data.length, - j, - k, - sum = 0, - index = new Array(n), - arcs = new Array(n), - a0 = +startAngle.apply(this, arguments), - da = Math.min(tau$4, Math.max(-tau$4, endAngle.apply(this, arguments) - a0)), - a1, - p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)), - pa = p * (da < 0 ? -1 : 1), - v; - - for (i = 0; i < n; ++i) { - if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) { - sum += v; - } - } - - // Optionally sort the arcs by previously-computed values or by data. - if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); }); - else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); }); - - // Compute the arcs! They are stored in the original data's order. - for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) { - j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = { - data: data[j], - index: i, - value: v, - startAngle: a0, - endAngle: a1, - padAngle: p - }; - } - - return arcs; - } - - pie.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), pie) : value; - }; - - pie.sortValues = function(_) { - return arguments.length ? (sortValues = _, sort = null, pie) : sortValues; - }; - - pie.sort = function(_) { - return arguments.length ? (sort = _, sortValues = null, pie) : sort; - }; - - pie.startAngle = function(_) { - return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : startAngle; - }; - - pie.endAngle = function(_) { - return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : endAngle; - }; - - pie.padAngle = function(_) { - return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$10(+_), pie) : padAngle; - }; - - return pie; -} - -var curveRadialLinear = curveRadial(curveLinear); - -function Radial(curve) { - this._curve = curve; -} - -Radial.prototype = { - areaStart: function() { - this._curve.areaStart(); - }, - areaEnd: function() { - this._curve.areaEnd(); - }, - lineStart: function() { - this._curve.lineStart(); - }, - lineEnd: function() { - this._curve.lineEnd(); - }, - point: function(a, r) { - this._curve.point(r * Math.sin(a), r * -Math.cos(a)); - } -}; - -function curveRadial(curve) { - - function radial(context) { - return new Radial(curve(context)); - } - - radial._curve = curve; - - return radial; -} - -function lineRadial(l) { - var c = l.curve; - - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - - l.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return l; -} - -function lineRadial$1() { - return lineRadial(line().curve(curveRadialLinear)); -} - -function areaRadial() { - var a = area$2().curve(curveRadialLinear), - c = a.curve, - x0 = a.lineX0, - x1 = a.lineX1, - y0 = a.lineY0, - y1 = a.lineY1; - - a.angle = a.x, delete a.x; - a.startAngle = a.x0, delete a.x0; - a.endAngle = a.x1, delete a.x1; - a.radius = a.y, delete a.y; - a.innerRadius = a.y0, delete a.y0; - a.outerRadius = a.y1, delete a.y1; - a.lineStartAngle = function() { return lineRadial(x0()); }, delete a.lineX0; - a.lineEndAngle = function() { return lineRadial(x1()); }, delete a.lineX1; - a.lineInnerRadius = function() { return lineRadial(y0()); }, delete a.lineY0; - a.lineOuterRadius = function() { return lineRadial(y1()); }, delete a.lineY1; - - a.curve = function(_) { - return arguments.length ? c(curveRadial(_)) : c()._curve; - }; - - return a; -} - -function pointRadial(x, y) { - return [(y = +y) * Math.cos(x -= Math.PI / 2), y * Math.sin(x)]; -} - -var slice$6 = Array.prototype.slice; - -function linkSource(d) { - return d.source; -} - -function linkTarget(d) { - return d.target; -} - -function link$2(curve) { - var source = linkSource, - target = linkTarget, - x$$1 = x$3, - y$$1 = y$3, - context = null; - - function link() { - var buffer, argv = slice$6.call(arguments), s = source.apply(this, argv), t = target.apply(this, argv); - if (!context) context = buffer = path(); - curve(context, +x$$1.apply(this, (argv[0] = s, argv)), +y$$1.apply(this, argv), +x$$1.apply(this, (argv[0] = t, argv)), +y$$1.apply(this, argv)); - if (buffer) return context = null, buffer + "" || null; - } - - link.source = function(_) { - return arguments.length ? (source = _, link) : source; - }; - - link.target = function(_) { - return arguments.length ? (target = _, link) : target; - }; - - link.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : x$$1; - }; - - link.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$10(+_), link) : y$$1; - }; - - link.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, link) : context; - }; - - return link; -} - -function curveHorizontal(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0 = (x0 + x1) / 2, y0, x0, y1, x1, y1); -} - -function curveVertical(context, x0, y0, x1, y1) { - context.moveTo(x0, y0); - context.bezierCurveTo(x0, y0 = (y0 + y1) / 2, x1, y0, x1, y1); -} - -function curveRadial$1(context, x0, y0, x1, y1) { - var p0 = pointRadial(x0, y0), - p1 = pointRadial(x0, y0 = (y0 + y1) / 2), - p2 = pointRadial(x1, y0), - p3 = pointRadial(x1, y1); - context.moveTo(p0[0], p0[1]); - context.bezierCurveTo(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1]); -} - -function linkHorizontal() { - return link$2(curveHorizontal); -} - -function linkVertical() { - return link$2(curveVertical); -} - -function linkRadial() { - var l = link$2(curveRadial$1); - l.angle = l.x, delete l.x; - l.radius = l.y, delete l.y; - return l; -} - -var circle$2 = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$4); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$4); - } -}; - -var cross$2 = { - draw: function(context, size) { - var r = Math.sqrt(size / 5) / 2; - context.moveTo(-3 * r, -r); - context.lineTo(-r, -r); - context.lineTo(-r, -3 * r); - context.lineTo(r, -3 * r); - context.lineTo(r, -r); - context.lineTo(3 * r, -r); - context.lineTo(3 * r, r); - context.lineTo(r, r); - context.lineTo(r, 3 * r); - context.lineTo(-r, 3 * r); - context.lineTo(-r, r); - context.lineTo(-3 * r, r); - context.closePath(); - } -}; - -var tan30 = Math.sqrt(1 / 3); -var tan30_2 = tan30 * 2; - -var diamond = { - draw: function(context, size) { - var y = Math.sqrt(size / tan30_2), - x = y * tan30; - context.moveTo(0, -y); - context.lineTo(x, 0); - context.lineTo(0, y); - context.lineTo(-x, 0); - context.closePath(); - } -}; - -var ka = 0.89081309152928522810; -var kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10); -var kx = Math.sin(tau$4 / 10) * kr; -var ky = -Math.cos(tau$4 / 10) * kr; - -var star = { - draw: function(context, size) { - var r = Math.sqrt(size * ka), - x = kx * r, - y = ky * r; - context.moveTo(0, -r); - context.lineTo(x, y); - for (var i = 1; i < 5; ++i) { - var a = tau$4 * i / 5, - c = Math.cos(a), - s = Math.sin(a); - context.lineTo(s * r, -c * r); - context.lineTo(c * x - s * y, s * x + c * y); - } - context.closePath(); - } -}; - -var square = { - draw: function(context, size) { - var w = Math.sqrt(size), - x = -w / 2; - context.rect(x, x, w, w); - } -}; - -var sqrt3 = Math.sqrt(3); - -var triangle = { - draw: function(context, size) { - var y = -Math.sqrt(size / (sqrt3 * 3)); - context.moveTo(0, y * 2); - context.lineTo(-sqrt3 * y, -y); - context.lineTo(sqrt3 * y, -y); - context.closePath(); - } -}; - -var c = -0.5; -var s = Math.sqrt(3) / 2; -var k = 1 / Math.sqrt(12); -var a = (k / 2 + 1) * 3; - -var wye = { - draw: function(context, size) { - var r = Math.sqrt(size / a), - x0 = r / 2, - y0 = r * k, - x1 = x0, - y1 = r * k + r, - x2 = -x1, - y2 = y1; - context.moveTo(x0, y0); - context.lineTo(x1, y1); - context.lineTo(x2, y2); - context.lineTo(c * x0 - s * y0, s * x0 + c * y0); - context.lineTo(c * x1 - s * y1, s * x1 + c * y1); - context.lineTo(c * x2 - s * y2, s * x2 + c * y2); - context.lineTo(c * x0 + s * y0, c * y0 - s * x0); - context.lineTo(c * x1 + s * y1, c * y1 - s * x1); - context.lineTo(c * x2 + s * y2, c * y2 - s * x2); - context.closePath(); - } -}; - -var symbols = [ - circle$2, - cross$2, - diamond, - square, - star, - triangle, - wye -]; - -function symbol() { - var type = constant$10(circle$2), - size = constant$10(64), - context = null; - - function symbol() { - var buffer; - if (!context) context = buffer = path(); - type.apply(this, arguments).draw(context, +size.apply(this, arguments)); - if (buffer) return context = null, buffer + "" || null; - } - - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$10(_), symbol) : type; - }; - - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$10(+_), symbol) : size; - }; - - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; - }; - - return symbol; -} - -function noop$2() {} - -function point$2(that, x, y) { - that._context.bezierCurveTo( - (2 * that._x0 + that._x1) / 3, - (2 * that._y0 + that._y1) / 3, - (that._x0 + 2 * that._x1) / 3, - (that._y0 + 2 * that._y1) / 3, - (that._x0 + 4 * that._x1 + x) / 6, - (that._y0 + 4 * that._y1 + y) / 6 - ); -} - -function Basis(context) { - this._context = context; -} - -Basis.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 3: point$2(this, this._x1, this._y1); // proceed - case 2: this._context.lineTo(this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // proceed - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; - -function basis$2(context) { - return new Basis(context); -} - -function BasisClosed(context) { - this._context = context; -} - -BasisClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x2, this._y2); - this._context.closePath(); - break; - } - case 2: { - this._context.moveTo((this._x2 + 2 * this._x3) / 3, (this._y2 + 2 * this._y3) / 3); - this._context.lineTo((this._x3 + 2 * this._x2) / 3, (this._y3 + 2 * this._y2) / 3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x2, this._y2); - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x2 = x, this._y2 = y; break; - case 1: this._point = 2; this._x3 = x, this._y3 = y; break; - 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; - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; - -function basisClosed$1(context) { - return new BasisClosed(context); -} - -function BasisOpen(context) { - this._context = context; -} - -BasisOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - 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; - case 3: this._point = 4; // proceed - default: point$2(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - } -}; - -function basisOpen(context) { - return new BasisOpen(context); -} - -function Bundle(context, beta) { - this._basis = new Basis(context); - this._beta = beta; -} - -Bundle.prototype = { - lineStart: function() { - this._x = []; - this._y = []; - this._basis.lineStart(); - }, - lineEnd: function() { - var x = this._x, - y = this._y, - j = x.length - 1; - - if (j > 0) { - var x0 = x[0], - y0 = y[0], - dx = x[j] - x0, - dy = y[j] - y0, - i = -1, - t; - - while (++i <= j) { - t = i / j; - this._basis.point( - this._beta * x[i] + (1 - this._beta) * (x0 + t * dx), - this._beta * y[i] + (1 - this._beta) * (y0 + t * dy) - ); - } - } - - this._x = this._y = null; - this._basis.lineEnd(); - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } -}; - -var bundle = (function custom(beta) { - - function bundle(context) { - return beta === 1 ? new Basis(context) : new Bundle(context, beta); - } - - bundle.beta = function(beta) { - return custom(+beta); - }; - - return bundle; -})(0.85); - -function point$3(that, x, y) { - that._context.bezierCurveTo( - that._x1 + that._k * (that._x2 - that._x0), - that._y1 + that._k * (that._y2 - that._y0), - that._x2 + that._k * (that._x1 - x), - that._y2 + that._k * (that._y1 - y), - that._x2, - that._y2 - ); -} - -function Cardinal(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} - -Cardinal.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: point$3(this, this._x1, this._y1); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; this._x1 = x, this._y1 = y; break; - case 2: this._point = 3; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; - -var cardinal = (function custom(tension) { - - function cardinal(context) { - return new Cardinal(context, tension); - } - - cardinal.tension = function(tension) { - return custom(+tension); - }; - - return cardinal; -})(0); - -function CardinalClosed(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} - -CardinalClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; - -var cardinalClosed = (function custom(tension) { - - function cardinal$$1(context) { - return new CardinalClosed(context, tension); - } - - cardinal$$1.tension = function(tension) { - return custom(+tension); - }; - - return cardinal$$1; -})(0); - -function CardinalOpen(context, tension) { - this._context = context; - this._k = (1 - tension) / 6; -} - -CardinalOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$3(this, x, y); break; - } - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; - -var cardinalOpen = (function custom(tension) { - - function cardinal$$1(context) { - return new CardinalOpen(context, tension); - } - - cardinal$$1.tension = function(tension) { - return custom(+tension); - }; - - return cardinal$$1; -})(0); - -function point$4(that, x, y) { - var x1 = that._x1, - y1 = that._y1, - x2 = that._x2, - y2 = that._y2; - - if (that._l01_a > epsilon$3) { - var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a, - n = 3 * that._l01_a * (that._l01_a + that._l12_a); - x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n; - y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n; - } - - if (that._l23_a > epsilon$3) { - var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a, - m = 3 * that._l23_a * (that._l23_a + that._l12_a); - x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m; - y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m; - } - - that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2); -} - -function CatmullRom(context, alpha) { - this._context = context; - this._alpha = alpha; -} - -CatmullRom.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x2, this._y2); break; - case 3: this.point(this._x2, this._y2); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; // proceed - default: point$4(this, x, y); break; - } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; - -var catmullRom = (function custom(alpha) { - - function catmullRom(context) { - return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0); - } - - catmullRom.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom; -})(0.5); - -function CatmullRomClosed(context, alpha) { - this._context = context; - this._alpha = alpha; -} - -CatmullRomClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, - lineStart: function() { - this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 = - this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 1: { - this._context.moveTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 2: { - this._context.lineTo(this._x3, this._y3); - this._context.closePath(); - break; - } - case 3: { - this.point(this._x3, this._y3); - this.point(this._x4, this._y4); - this.point(this._x5, this._y5); - break; - } - } - }, - point: function(x, y) { - x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - - switch (this._point) { - case 0: this._point = 1; this._x3 = x, this._y3 = y; break; - case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break; - case 2: this._point = 3; this._x5 = x, this._y5 = y; break; - default: point$4(this, x, y); break; - } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; - -var catmullRomClosed = (function custom(alpha) { - - function catmullRom$$1(context) { - return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0); - } - - catmullRom$$1.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom$$1; -})(0.5); - -function CatmullRomOpen(context, alpha) { - this._context = context; - this._alpha = alpha; -} - -CatmullRomOpen.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = this._x2 = - this._y0 = this._y1 = this._y2 = NaN; - this._l01_a = this._l12_a = this._l23_a = - this._l01_2a = this._l12_2a = this._l23_2a = - this._point = 0; - }, - lineEnd: function() { - if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - - if (this._point) { - var x23 = this._x2 - x, - y23 = this._y2 - y; - this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha)); - } - - switch (this._point) { - case 0: this._point = 1; break; - case 1: this._point = 2; break; - case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break; - case 3: this._point = 4; // proceed - default: point$4(this, x, y); break; - } - - this._l01_a = this._l12_a, this._l12_a = this._l23_a; - this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a; - this._x0 = this._x1, this._x1 = this._x2, this._x2 = x; - this._y0 = this._y1, this._y1 = this._y2, this._y2 = y; - } -}; - -var catmullRomOpen = (function custom(alpha) { - - function catmullRom$$1(context) { - return alpha ? new CatmullRomOpen(context, alpha) : new CardinalOpen(context, 0); - } - - catmullRom$$1.alpha = function(alpha) { - return custom(+alpha); - }; - - return catmullRom$$1; -})(0.5); - -function LinearClosed(context) { - this._context = context; -} - -LinearClosed.prototype = { - areaStart: noop$2, - areaEnd: noop$2, - lineStart: function() { - this._point = 0; - }, - lineEnd: function() { - if (this._point) this._context.closePath(); - }, - point: function(x, y) { - x = +x, y = +y; - if (this._point) this._context.lineTo(x, y); - else this._point = 1, this._context.moveTo(x, y); - } -}; - -function linearClosed(context) { - return new LinearClosed(context); -} - -function sign$1(x) { - return x < 0 ? -1 : 1; -} - -// Calculate the slopes of the tangents (Hermite-type interpolation) based on -// the following paper: Steffen, M. 1990. A Simple Method for Monotonic -// Interpolation in One Dimension. Astronomy and Astrophysics, Vol. 239, NO. -// NOV(II), P. 443, 1990. -function slope3(that, x2, y2) { - var h0 = that._x1 - that._x0, - h1 = x2 - that._x1, - s0 = (that._y1 - that._y0) / (h0 || h1 < 0 && -0), - s1 = (y2 - that._y1) / (h1 || h0 < 0 && -0), - p = (s0 * h1 + s1 * h0) / (h0 + h1); - return (sign$1(s0) + sign$1(s1)) * Math.min(Math.abs(s0), Math.abs(s1), 0.5 * Math.abs(p)) || 0; -} - -// Calculate a one-sided slope. -function slope2(that, t) { - var h = that._x1 - that._x0; - return h ? (3 * (that._y1 - that._y0) / h - t) / 2 : t; -} - -// According to https://en.wikipedia.org/wiki/Cubic_Hermite_spline#Representations -// "you can express cubic Hermite interpolation in terms of cubic Bézier curves -// with respect to the four values p0, p0 + m0 / 3, p1 - m1 / 3, p1". -function point$5(that, t0, t1) { - var x0 = that._x0, - y0 = that._y0, - x1 = that._x1, - y1 = that._y1, - dx = (x1 - x0) / 3; - that._context.bezierCurveTo(x0 + dx, y0 + dx * t0, x1 - dx, y1 - dx * t1, x1, y1); -} - -function MonotoneX(context) { - this._context = context; -} - -MonotoneX.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x0 = this._x1 = - this._y0 = this._y1 = - this._t0 = NaN; - this._point = 0; - }, - lineEnd: function() { - switch (this._point) { - case 2: this._context.lineTo(this._x1, this._y1); break; - case 3: point$5(this, this._t0, slope2(this, this._t0)); break; - } - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - this._line = 1 - this._line; - }, - point: function(x, y) { - var t1 = NaN; - - x = +x, y = +y; - if (x === this._x1 && y === this._y1) return; // Ignore coincident points. - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; break; - case 2: this._point = 3; point$5(this, slope2(this, t1 = slope3(this, x, y)), t1); break; - default: point$5(this, this._t0, t1 = slope3(this, x, y)); break; - } - - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; - this._t0 = t1; - } -}; - -function MonotoneY(context) { - this._context = new ReflectContext(context); -} - -(MonotoneY.prototype = Object.create(MonotoneX.prototype)).point = function(x, y) { - MonotoneX.prototype.point.call(this, y, x); -}; - -function ReflectContext(context) { - this._context = context; -} - -ReflectContext.prototype = { - moveTo: function(x, y) { this._context.moveTo(y, x); }, - closePath: function() { this._context.closePath(); }, - lineTo: function(x, y) { this._context.lineTo(y, x); }, - bezierCurveTo: function(x1, y1, x2, y2, x, y) { this._context.bezierCurveTo(y1, x1, y2, x2, y, x); } -}; - -function monotoneX(context) { - return new MonotoneX(context); -} - -function monotoneY(context) { - return new MonotoneY(context); -} - -function Natural(context) { - this._context = context; -} - -Natural.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = []; - this._y = []; - }, - lineEnd: function() { - var x = this._x, - y = this._y, - n = x.length; - - if (n) { - this._line ? this._context.lineTo(x[0], y[0]) : this._context.moveTo(x[0], y[0]); - if (n === 2) { - this._context.lineTo(x[1], y[1]); - } else { - var px = controlPoints(x), - py = controlPoints(y); - for (var i0 = 0, i1 = 1; i1 < n; ++i0, ++i1) { - this._context.bezierCurveTo(px[0][i0], py[0][i0], px[1][i0], py[1][i0], x[i1], y[i1]); - } - } - } - - if (this._line || (this._line !== 0 && n === 1)) this._context.closePath(); - this._line = 1 - this._line; - this._x = this._y = null; - }, - point: function(x, y) { - this._x.push(+x); - this._y.push(+y); - } -}; - -// See https://www.particleincell.com/2012/bezier-splines/ for derivation. -function controlPoints(x) { - var i, - n = x.length - 1, - m, - a = new Array(n), - b = new Array(n), - r = new Array(n); - a[0] = 0, b[0] = 2, r[0] = x[0] + 2 * x[1]; - for (i = 1; i < n - 1; ++i) a[i] = 1, b[i] = 4, r[i] = 4 * x[i] + 2 * x[i + 1]; - a[n - 1] = 2, b[n - 1] = 7, r[n - 1] = 8 * x[n - 1] + x[n]; - for (i = 1; i < n; ++i) m = a[i] / b[i - 1], b[i] -= m, r[i] -= m * r[i - 1]; - a[n - 1] = r[n - 1] / b[n - 1]; - for (i = n - 2; i >= 0; --i) a[i] = (r[i] - a[i + 1]) / b[i]; - b[n - 1] = (x[n] + a[n - 1]) / 2; - for (i = 0; i < n - 1; ++i) b[i] = 2 * x[i + 1] - a[i + 1]; - return [a, b]; -} - -function natural(context) { - return new Natural(context); -} - -function Step(context, t) { - this._context = context; - this._t = t; -} - -Step.prototype = { - areaStart: function() { - this._line = 0; - }, - areaEnd: function() { - this._line = NaN; - }, - lineStart: function() { - this._x = this._y = NaN; - this._point = 0; - }, - lineEnd: function() { - if (0 < this._t && this._t < 1 && this._point === 2) this._context.lineTo(this._x, this._y); - if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath(); - if (this._line >= 0) this._t = 1 - this._t, this._line = 1 - this._line; - }, - point: function(x, y) { - x = +x, y = +y; - switch (this._point) { - case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break; - case 1: this._point = 2; // proceed - default: { - if (this._t <= 0) { - this._context.lineTo(this._x, y); - this._context.lineTo(x, y); - } else { - var x1 = this._x * (1 - this._t) + x * this._t; - this._context.lineTo(x1, this._y); - this._context.lineTo(x1, y); - } - break; - } - } - this._x = x, this._y = y; - } -}; - -function step(context) { - return new Step(context, 0.5); -} - -function stepBefore(context) { - return new Step(context, 0); -} - -function stepAfter(context) { - return new Step(context, 1); -} - -function none$1(series, order) { - if (!((n = series.length) > 1)) return; - for (var i = 1, j, s0, s1 = series[order[0]], n, m = s1.length; i < n; ++i) { - s0 = s1, s1 = series[order[i]]; - for (j = 0; j < m; ++j) { - s1[j][1] += s1[j][0] = isNaN(s0[j][1]) ? s0[j][0] : s0[j][1]; - } - } -} - -function none$2(series) { - var n = series.length, o = new Array(n); - while (--n >= 0) o[n] = n; - return o; -} - -function stackValue(d, key) { - return d[key]; -} - -function stack() { - var keys = constant$10([]), - order = none$2, - offset = none$1, - value = stackValue; - - function stack(data) { - var kz = keys.apply(this, arguments), - i, - m = data.length, - n = kz.length, - sz = new Array(n), - oz; - - for (i = 0; i < n; ++i) { - for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) { - si[j] = sij = [0, +value(data[j], ki, j, data)]; - sij.data = data[j]; - } - si.key = ki; - } - - for (i = 0, oz = order(sz); i < n; ++i) { - sz[oz[i]].index = i; - } - - offset(sz, oz); - return sz; - } - - stack.keys = function(_) { - return arguments.length ? (keys = typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : keys; - }; - - stack.value = function(_) { - return arguments.length ? (value = typeof _ === "function" ? _ : constant$10(+_), stack) : value; - }; - - stack.order = function(_) { - return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$10(slice$6.call(_)), stack) : order; - }; - - stack.offset = function(_) { - return arguments.length ? (offset = _ == null ? none$1 : _, stack) : offset; - }; - - return stack; -} - -function expand(series, order) { - if (!((n = series.length) > 0)) return; - for (var i, n, j = 0, m = series[0].length, y; j < m; ++j) { - for (y = i = 0; i < n; ++i) y += series[i][j][1] || 0; - if (y) for (i = 0; i < n; ++i) series[i][j][1] /= y; - } - none$1(series, order); -} - -function diverging(series, order) { - if (!((n = series.length) > 1)) return; - for (var i, j = 0, d, dy, yp, yn, n, m = series[order[0]].length; j < m; ++j) { - for (yp = yn = 0, i = 0; i < n; ++i) { - if ((dy = (d = series[order[i]][j])[1] - d[0]) >= 0) { - d[0] = yp, d[1] = yp += dy; - } else if (dy < 0) { - d[1] = yn, d[0] = yn += dy; - } else { - d[0] = yp; - } - } - } -} - -function silhouette(series, order) { - if (!((n = series.length) > 0)) return; - for (var j = 0, s0 = series[order[0]], n, m = s0.length; j < m; ++j) { - for (var i = 0, y = 0; i < n; ++i) y += series[i][j][1] || 0; - s0[j][1] += s0[j][0] = -y / 2; - } - none$1(series, order); -} - -function wiggle(series, order) { - if (!((n = series.length) > 0) || !((m = (s0 = series[order[0]]).length) > 0)) return; - for (var y = 0, j = 1, s0, m, n; j < m; ++j) { - for (var i = 0, s1 = 0, s2 = 0; i < n; ++i) { - var si = series[order[i]], - sij0 = si[j][1] || 0, - sij1 = si[j - 1][1] || 0, - s3 = (sij0 - sij1) / 2; - for (var k = 0; k < i; ++k) { - var sk = series[order[k]], - skj0 = sk[j][1] || 0, - skj1 = sk[j - 1][1] || 0; - s3 += skj0 - skj1; - } - s1 += sij0, s2 += s3 * sij0; - } - s0[j - 1][1] += s0[j - 1][0] = y; - if (s1) y -= s2 / s1; - } - s0[j - 1][1] += s0[j - 1][0] = y; - none$1(series, order); -} - -function ascending$2(series) { - var sums = series.map(sum$2); - return none$2(series).sort(function(a, b) { return sums[a] - sums[b]; }); -} - -function sum$2(series) { - var s = 0, i = -1, n = series.length, v; - while (++i < n) if (v = +series[i][1]) s += v; - return s; -} - -function descending$2(series) { - return ascending$2(series).reverse(); -} - -function insideOut(series) { - var n = series.length, - i, - j, - sums = series.map(sum$2), - order = none$2(series).sort(function(a, b) { return sums[b] - sums[a]; }), - top = 0, - bottom = 0, - tops = [], - bottoms = []; - - for (i = 0; i < n; ++i) { - j = order[i]; - if (top < bottom) { - top += sums[j]; - tops.push(j); - } else { - bottom += sums[j]; - bottoms.push(j); - } - } - - return bottoms.reverse().concat(tops); -} - -function reverse(series) { - return none$2(series).reverse(); -} - -function constant$11(x) { - return function() { - return x; - }; -} - -function x$4(d) { - return d[0]; -} - -function y$4(d) { - return d[1]; -} - -function RedBlackTree() { - this._ = null; // root node -} - -function RedBlackNode(node) { - node.U = // parent node - node.C = // color - true for red, false for black - node.L = // left node - node.R = // right node - node.P = // previous node - node.N = null; // next node -} - -RedBlackTree.prototype = { - constructor: RedBlackTree, - - insert: function(after, node) { - var parent, grandpa, uncle; - - if (after) { - node.P = after; - node.N = after.N; - if (after.N) after.N.P = node; - after.N = node; - if (after.R) { - after = after.R; - while (after.L) after = after.L; - after.L = node; - } else { - after.R = node; - } - parent = after; - } else if (this._) { - after = RedBlackFirst(this._); - node.P = null; - node.N = after; - after.P = after.L = node; - parent = after; - } else { - node.P = node.N = null; - this._ = node; - parent = null; - } - node.L = node.R = null; - node.U = parent; - node.C = true; - - after = node; - while (parent && parent.C) { - grandpa = parent.U; - if (parent === grandpa.L) { - uncle = grandpa.R; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.R) { - RedBlackRotateLeft(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateRight(this, grandpa); - } - } else { - uncle = grandpa.L; - if (uncle && uncle.C) { - parent.C = uncle.C = false; - grandpa.C = true; - after = grandpa; - } else { - if (after === parent.L) { - RedBlackRotateRight(this, parent); - after = parent; - parent = after.U; - } - parent.C = false; - grandpa.C = true; - RedBlackRotateLeft(this, grandpa); - } - } - parent = after.U; - } - this._.C = false; - }, - - remove: function(node) { - if (node.N) node.N.P = node.P; - if (node.P) node.P.N = node.N; - node.N = node.P = null; - - var parent = node.U, - sibling, - left = node.L, - right = node.R, - next, - red; - - if (!left) next = right; - else if (!right) next = left; - else next = RedBlackFirst(right); - - if (parent) { - if (parent.L === node) parent.L = next; - else parent.R = next; - } else { - this._ = next; - } - - if (left && right) { - red = next.C; - next.C = node.C; - next.L = left; - left.U = next; - if (next !== right) { - parent = next.U; - next.U = node.U; - node = next.R; - parent.L = node; - next.R = right; - right.U = next; - } else { - next.U = parent; - parent = next; - node = next.R; - } - } else { - red = node.C; - node = next; - } - - if (node) node.U = parent; - if (red) return; - if (node && node.C) { node.C = false; return; } - - do { - if (node === this._) break; - if (node === parent.L) { - sibling = parent.R; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateLeft(this, parent); - sibling = parent.R; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.R || !sibling.R.C) { - sibling.L.C = false; - sibling.C = true; - RedBlackRotateRight(this, sibling); - sibling = parent.R; - } - sibling.C = parent.C; - parent.C = sibling.R.C = false; - RedBlackRotateLeft(this, parent); - node = this._; - break; - } - } else { - sibling = parent.L; - if (sibling.C) { - sibling.C = false; - parent.C = true; - RedBlackRotateRight(this, parent); - sibling = parent.L; - } - if ((sibling.L && sibling.L.C) - || (sibling.R && sibling.R.C)) { - if (!sibling.L || !sibling.L.C) { - sibling.R.C = false; - sibling.C = true; - RedBlackRotateLeft(this, sibling); - sibling = parent.L; - } - sibling.C = parent.C; - parent.C = sibling.L.C = false; - RedBlackRotateRight(this, parent); - node = this._; - break; - } - } - sibling.C = true; - node = parent; - parent = parent.U; - } while (!node.C); - - if (node) node.C = false; - } -}; - -function RedBlackRotateLeft(tree, node) { - var p = node, - q = node.R, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } - - q.U = parent; - p.U = q; - p.R = q.L; - if (p.R) p.R.U = p; - q.L = p; -} - -function RedBlackRotateRight(tree, node) { - var p = node, - q = node.L, - parent = p.U; - - if (parent) { - if (parent.L === p) parent.L = q; - else parent.R = q; - } else { - tree._ = q; - } - - q.U = parent; - p.U = q; - p.L = q.R; - if (p.L) p.L.U = p; - q.R = p; -} - -function RedBlackFirst(node) { - while (node.L) node = node.L; - return node; -} - -function createEdge(left, right, v0, v1) { - var edge = [null, null], - index = edges.push(edge) - 1; - edge.left = left; - edge.right = right; - if (v0) setEdgeEnd(edge, left, right, v0); - if (v1) setEdgeEnd(edge, right, left, v1); - cells[left.index].halfedges.push(index); - cells[right.index].halfedges.push(index); - return edge; -} - -function createBorderEdge(left, v0, v1) { - var edge = [v0, v1]; - edge.left = left; - return edge; -} - -function setEdgeEnd(edge, left, right, vertex) { - if (!edge[0] && !edge[1]) { - edge[0] = vertex; - edge.left = left; - edge.right = right; - } else if (edge.left === right) { - edge[1] = vertex; - } else { - edge[0] = vertex; - } -} - -// Liang–Barsky line clipping. -function clipEdge(edge, x0, y0, x1, y1) { - var a = edge[0], - b = edge[1], - ax = a[0], - ay = a[1], - bx = b[0], - by = b[1], - t0 = 0, - t1 = 1, - dx = bx - ax, - dy = by - ay, - r; - - r = x0 - ax; - if (!dx && r > 0) return; - r /= dx; - if (dx < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dx > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = x1 - ax; - if (!dx && r < 0) return; - r /= dx; - if (dx < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dx > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - r = y0 - ay; - if (!dy && r > 0) return; - r /= dy; - if (dy < 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } else if (dy > 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } - - r = y1 - ay; - if (!dy && r < 0) return; - r /= dy; - if (dy < 0) { - if (r > t1) return; - if (r > t0) t0 = r; - } else if (dy > 0) { - if (r < t0) return; - if (r < t1) t1 = r; - } - - if (!(t0 > 0) && !(t1 < 1)) return true; // TODO Better check? - - if (t0 > 0) edge[0] = [ax + t0 * dx, ay + t0 * dy]; - if (t1 < 1) edge[1] = [ax + t1 * dx, ay + t1 * dy]; - return true; -} - -function connectEdge(edge, x0, y0, x1, y1) { - var v1 = edge[1]; - if (v1) return true; - - var v0 = edge[0], - left = edge.left, - right = edge.right, - lx = left[0], - ly = left[1], - rx = right[0], - ry = right[1], - fx = (lx + rx) / 2, - fy = (ly + ry) / 2, - fm, - fb; - - if (ry === ly) { - if (fx < x0 || fx >= x1) return; - if (lx > rx) { - if (!v0) v0 = [fx, y0]; - else if (v0[1] >= y1) return; - v1 = [fx, y1]; - } else { - if (!v0) v0 = [fx, y1]; - else if (v0[1] < y0) return; - v1 = [fx, y0]; - } - } else { - fm = (lx - rx) / (ry - ly); - fb = fy - fm * fx; - if (fm < -1 || fm > 1) { - if (lx > rx) { - if (!v0) v0 = [(y0 - fb) / fm, y0]; - else if (v0[1] >= y1) return; - v1 = [(y1 - fb) / fm, y1]; - } else { - if (!v0) v0 = [(y1 - fb) / fm, y1]; - else if (v0[1] < y0) return; - v1 = [(y0 - fb) / fm, y0]; - } - } else { - if (ly < ry) { - if (!v0) v0 = [x0, fm * x0 + fb]; - else if (v0[0] >= x1) return; - v1 = [x1, fm * x1 + fb]; - } else { - if (!v0) v0 = [x1, fm * x1 + fb]; - else if (v0[0] < x0) return; - v1 = [x0, fm * x0 + fb]; - } - } - } - - edge[0] = v0; - edge[1] = v1; - return true; -} - -function clipEdges(x0, y0, x1, y1) { - var i = edges.length, - edge; - - while (i--) { - if (!connectEdge(edge = edges[i], x0, y0, x1, y1) - || !clipEdge(edge, x0, y0, x1, y1) - || !(Math.abs(edge[0][0] - edge[1][0]) > epsilon$4 - || Math.abs(edge[0][1] - edge[1][1]) > epsilon$4)) { - delete edges[i]; - } - } -} - -function createCell(site) { - return cells[site.index] = { - site: site, - halfedges: [] - }; -} - -function cellHalfedgeAngle(cell, edge) { - var site = cell.site, - va = edge.left, - vb = edge.right; - if (site === vb) vb = va, va = site; - if (vb) return Math.atan2(vb[1] - va[1], vb[0] - va[0]); - if (site === va) va = edge[1], vb = edge[0]; - else va = edge[0], vb = edge[1]; - return Math.atan2(va[0] - vb[0], vb[1] - va[1]); -} - -function cellHalfedgeStart(cell, edge) { - return edge[+(edge.left !== cell.site)]; -} - -function cellHalfedgeEnd(cell, edge) { - return edge[+(edge.left === cell.site)]; -} - -function sortCellHalfedges() { - for (var i = 0, n = cells.length, cell, halfedges, j, m; i < n; ++i) { - if ((cell = cells[i]) && (m = (halfedges = cell.halfedges).length)) { - var index = new Array(m), - array = new Array(m); - for (j = 0; j < m; ++j) index[j] = j, array[j] = cellHalfedgeAngle(cell, edges[halfedges[j]]); - index.sort(function(i, j) { return array[j] - array[i]; }); - for (j = 0; j < m; ++j) array[j] = halfedges[index[j]]; - for (j = 0; j < m; ++j) halfedges[j] = array[j]; - } - } -} - -function clipCells(x0, y0, x1, y1) { - var nCells = cells.length, - iCell, - cell, - site, - iHalfedge, - halfedges, - nHalfedges, - start, - startX, - startY, - end, - endX, - endY, - cover = true; - - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - halfedges = cell.halfedges; - iHalfedge = halfedges.length; - - // Remove any dangling clipped edges. - while (iHalfedge--) { - if (!edges[halfedges[iHalfedge]]) { - halfedges.splice(iHalfedge, 1); - } - } - - // Insert any border edges as necessary. - iHalfedge = 0, nHalfedges = halfedges.length; - while (iHalfedge < nHalfedges) { - end = cellHalfedgeEnd(cell, edges[halfedges[iHalfedge]]), endX = end[0], endY = end[1]; - start = cellHalfedgeStart(cell, edges[halfedges[++iHalfedge % nHalfedges]]), startX = start[0], startY = start[1]; - if (Math.abs(endX - startX) > epsilon$4 || Math.abs(endY - startY) > epsilon$4) { - halfedges.splice(iHalfedge, 0, edges.push(createBorderEdge(site, end, - Math.abs(endX - x0) < epsilon$4 && y1 - endY > epsilon$4 ? [x0, Math.abs(startX - x0) < epsilon$4 ? startY : y1] - : Math.abs(endY - y1) < epsilon$4 && x1 - endX > epsilon$4 ? [Math.abs(startY - y1) < epsilon$4 ? startX : x1, y1] - : Math.abs(endX - x1) < epsilon$4 && endY - y0 > epsilon$4 ? [x1, Math.abs(startX - x1) < epsilon$4 ? startY : y0] - : Math.abs(endY - y0) < epsilon$4 && endX - x0 > epsilon$4 ? [Math.abs(startY - y0) < epsilon$4 ? startX : x0, y0] - : null)) - 1); - ++nHalfedges; - } - } - - if (nHalfedges) cover = false; - } - } - - // If there weren’t any edges, have the closest site cover the extent. - // It doesn’t matter which corner of the extent we measure! - if (cover) { - var dx, dy, d2, dc = Infinity; - - for (iCell = 0, cover = null; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - site = cell.site; - dx = site[0] - x0; - dy = site[1] - y0; - d2 = dx * dx + dy * dy; - if (d2 < dc) dc = d2, cover = cell; - } - } - - if (cover) { - var v00 = [x0, y0], v01 = [x0, y1], v11 = [x1, y1], v10 = [x1, y0]; - cover.halfedges.push( - edges.push(createBorderEdge(site = cover.site, v00, v01)) - 1, - edges.push(createBorderEdge(site, v01, v11)) - 1, - edges.push(createBorderEdge(site, v11, v10)) - 1, - edges.push(createBorderEdge(site, v10, v00)) - 1 - ); - } - } - - // Lastly delete any cells with no edges; these were entirely clipped. - for (iCell = 0; iCell < nCells; ++iCell) { - if (cell = cells[iCell]) { - if (!cell.halfedges.length) { - delete cells[iCell]; - } - } - } -} - -var circlePool = []; - -var firstCircle; - -function Circle() { - RedBlackNode(this); - this.x = - this.y = - this.arc = - this.site = - this.cy = null; -} - -function attachCircle(arc) { - var lArc = arc.P, - rArc = arc.N; - - if (!lArc || !rArc) return; - - var lSite = lArc.site, - cSite = arc.site, - rSite = rArc.site; - - if (lSite === rSite) return; - - var bx = cSite[0], - by = cSite[1], - ax = lSite[0] - bx, - ay = lSite[1] - by, - cx = rSite[0] - bx, - cy = rSite[1] - by; - - var d = 2 * (ax * cy - ay * cx); - if (d >= -epsilon2$2) return; - - var ha = ax * ax + ay * ay, - hc = cx * cx + cy * cy, - x = (cy * ha - ay * hc) / d, - y = (ax * hc - cx * ha) / d; - - var circle = circlePool.pop() || new Circle; - circle.arc = arc; - circle.site = cSite; - circle.x = x + bx; - circle.y = (circle.cy = y + by) + Math.sqrt(x * x + y * y); // y bottom - - arc.circle = circle; - - var before = null, - node = circles._; - - while (node) { - if (circle.y < node.y || (circle.y === node.y && circle.x <= node.x)) { - if (node.L) node = node.L; - else { before = node.P; break; } - } else { - if (node.R) node = node.R; - else { before = node; break; } - } - } - - circles.insert(before, circle); - if (!before) firstCircle = circle; -} - -function detachCircle(arc) { - var circle = arc.circle; - if (circle) { - if (!circle.P) firstCircle = circle.N; - circles.remove(circle); - circlePool.push(circle); - RedBlackNode(circle); - arc.circle = null; - } -} - -var beachPool = []; - -function Beach() { - RedBlackNode(this); - this.edge = - this.site = - this.circle = null; -} - -function createBeach(site) { - var beach = beachPool.pop() || new Beach; - beach.site = site; - return beach; -} - -function detachBeach(beach) { - detachCircle(beach); - beaches.remove(beach); - beachPool.push(beach); - RedBlackNode(beach); -} - -function removeBeach(beach) { - var circle = beach.circle, - x = circle.x, - y = circle.cy, - vertex = [x, y], - previous = beach.P, - next = beach.N, - disappearing = [beach]; - - detachBeach(beach); - - var lArc = previous; - while (lArc.circle - && Math.abs(x - lArc.circle.x) < epsilon$4 - && Math.abs(y - lArc.circle.cy) < epsilon$4) { - previous = lArc.P; - disappearing.unshift(lArc); - detachBeach(lArc); - lArc = previous; - } - - disappearing.unshift(lArc); - detachCircle(lArc); - - var rArc = next; - while (rArc.circle - && Math.abs(x - rArc.circle.x) < epsilon$4 - && Math.abs(y - rArc.circle.cy) < epsilon$4) { - next = rArc.N; - disappearing.push(rArc); - detachBeach(rArc); - rArc = next; - } - - disappearing.push(rArc); - detachCircle(rArc); - - var nArcs = disappearing.length, - iArc; - for (iArc = 1; iArc < nArcs; ++iArc) { - rArc = disappearing[iArc]; - lArc = disappearing[iArc - 1]; - setEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex); - } - - lArc = disappearing[0]; - rArc = disappearing[nArcs - 1]; - rArc.edge = createEdge(lArc.site, rArc.site, null, vertex); - - attachCircle(lArc); - attachCircle(rArc); -} - -function addBeach(site) { - var x = site[0], - directrix = site[1], - lArc, - rArc, - dxl, - dxr, - node = beaches._; - - while (node) { - dxl = leftBreakPoint(node, directrix) - x; - if (dxl > epsilon$4) node = node.L; else { - dxr = x - rightBreakPoint(node, directrix); - if (dxr > epsilon$4) { - if (!node.R) { - lArc = node; - break; - } - node = node.R; - } else { - if (dxl > -epsilon$4) { - lArc = node.P; - rArc = node; - } else if (dxr > -epsilon$4) { - lArc = node; - rArc = node.N; - } else { - lArc = rArc = node; - } - break; - } - } - } - - createCell(site); - var newArc = createBeach(site); - beaches.insert(lArc, newArc); - - if (!lArc && !rArc) return; - - if (lArc === rArc) { - detachCircle(lArc); - rArc = createBeach(lArc.site); - beaches.insert(newArc, rArc); - newArc.edge = rArc.edge = createEdge(lArc.site, newArc.site); - attachCircle(lArc); - attachCircle(rArc); - return; - } - - if (!rArc) { // && lArc - newArc.edge = createEdge(lArc.site, newArc.site); - return; - } - - // else lArc !== rArc - detachCircle(lArc); - detachCircle(rArc); - - var lSite = lArc.site, - ax = lSite[0], - ay = lSite[1], - bx = site[0] - ax, - by = site[1] - ay, - rSite = rArc.site, - cx = rSite[0] - ax, - cy = rSite[1] - ay, - d = 2 * (bx * cy - by * cx), - hb = bx * bx + by * by, - hc = cx * cx + cy * cy, - vertex = [(cy * hb - by * hc) / d + ax, (bx * hc - cx * hb) / d + ay]; - - setEdgeEnd(rArc.edge, lSite, rSite, vertex); - newArc.edge = createEdge(lSite, site, null, vertex); - rArc.edge = createEdge(site, rSite, null, vertex); - attachCircle(lArc); - attachCircle(rArc); -} - -function leftBreakPoint(arc, directrix) { - var site = arc.site, - rfocx = site[0], - rfocy = site[1], - pby2 = rfocy - directrix; - - if (!pby2) return rfocx; - - var lArc = arc.P; - if (!lArc) return -Infinity; - - site = lArc.site; - var lfocx = site[0], - lfocy = site[1], - plby2 = lfocy - directrix; - - if (!plby2) return lfocx; - - var hl = lfocx - rfocx, - aby2 = 1 / pby2 - 1 / plby2, - b = hl / plby2; - - if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx; - - return (rfocx + lfocx) / 2; -} - -function rightBreakPoint(arc, directrix) { - var rArc = arc.N; - if (rArc) return leftBreakPoint(rArc, directrix); - var site = arc.site; - return site[1] === directrix ? site[0] : Infinity; -} - -var epsilon$4 = 1e-6; -var epsilon2$2 = 1e-12; -var beaches; -var cells; -var circles; -var edges; - -function triangleArea(a, b, c) { - return (a[0] - c[0]) * (b[1] - a[1]) - (a[0] - b[0]) * (c[1] - a[1]); -} - -function lexicographic(a, b) { - return b[1] - a[1] - || b[0] - a[0]; -} - -function Diagram(sites, extent) { - var site = sites.sort(lexicographic).pop(), - x, - y, - circle; - - edges = []; - cells = new Array(sites.length); - beaches = new RedBlackTree; - circles = new RedBlackTree; - - while (true) { - circle = firstCircle; - if (site && (!circle || site[1] < circle.y || (site[1] === circle.y && site[0] < circle.x))) { - if (site[0] !== x || site[1] !== y) { - addBeach(site); - x = site[0], y = site[1]; - } - site = sites.pop(); - } else if (circle) { - removeBeach(circle.arc); - } else { - break; - } - } - - sortCellHalfedges(); - - if (extent) { - var x0 = +extent[0][0], - y0 = +extent[0][1], - x1 = +extent[1][0], - y1 = +extent[1][1]; - clipEdges(x0, y0, x1, y1); - clipCells(x0, y0, x1, y1); - } - - this.edges = edges; - this.cells = cells; - - beaches = - circles = - edges = - cells = null; -} - -Diagram.prototype = { - constructor: Diagram, - - polygons: function() { - var edges = this.edges; - - return this.cells.map(function(cell) { - var polygon = cell.halfedges.map(function(i) { return cellHalfedgeStart(cell, edges[i]); }); - polygon.data = cell.site.data; - return polygon; - }); - }, - - triangles: function() { - var triangles = [], - edges = this.edges; - - this.cells.forEach(function(cell, i) { - if (!(m = (halfedges = cell.halfedges).length)) return; - var site = cell.site, - halfedges, - j = -1, - m, - s0, - e1 = edges[halfedges[m - 1]], - s1 = e1.left === site ? e1.right : e1.left; - - while (++j < m) { - s0 = s1; - e1 = edges[halfedges[j]]; - s1 = e1.left === site ? e1.right : e1.left; - if (s0 && s1 && i < s0.index && i < s1.index && triangleArea(site, s0, s1) < 0) { - triangles.push([site.data, s0.data, s1.data]); - } - } - }); - - return triangles; - }, - - links: function() { - return this.edges.filter(function(edge) { - return edge.right; - }).map(function(edge) { - return { - source: edge.left.data, - target: edge.right.data - }; - }); - }, - - find: function(x, y, radius) { - var that = this, i0, i1 = that._found || 0, n = that.cells.length, cell; - - // Use the previously-found cell, or start with an arbitrary one. - while (!(cell = that.cells[i1])) if (++i1 >= n) return null; - var dx = x - cell.site[0], dy = y - cell.site[1], d2 = dx * dx + dy * dy; - - // Traverse the half-edges to find a closer cell, if any. - do { - cell = that.cells[i0 = i1], i1 = null; - cell.halfedges.forEach(function(e) { - var edge = that.edges[e], v = edge.left; - if ((v === cell.site || !v) && !(v = edge.right)) return; - var vx = x - v[0], vy = y - v[1], v2 = vx * vx + vy * vy; - if (v2 < d2) d2 = v2, i1 = v.index; - }); - } while (i1 !== null); - - that._found = i0; - - return radius == null || d2 <= radius * radius ? cell.site : null; - } -}; - -function voronoi() { - var x$$1 = x$4, - y$$1 = y$4, - extent = null; - - function voronoi(data) { - return new Diagram(data.map(function(d, i) { - var s = [Math.round(x$$1(d, i, data) / epsilon$4) * epsilon$4, Math.round(y$$1(d, i, data) / epsilon$4) * epsilon$4]; - s.index = i; - s.data = d; - return s; - }), extent); - } - - voronoi.polygons = function(data) { - return voronoi(data).polygons(); - }; - - voronoi.links = function(data) { - return voronoi(data).links(); - }; - - voronoi.triangles = function(data) { - return voronoi(data).triangles(); - }; - - voronoi.x = function(_) { - return arguments.length ? (x$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : x$$1; - }; - - voronoi.y = function(_) { - return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$11(+_), voronoi) : y$$1; - }; - - voronoi.extent = function(_) { - 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]]]; - }; - - voronoi.size = function(_) { - return arguments.length ? (extent = _ == null ? null : [[0, 0], [+_[0], +_[1]]], voronoi) : extent && [extent[1][0] - extent[0][0], extent[1][1] - extent[0][1]]; - }; - - return voronoi; -} - -function constant$12(x) { - return function() { - return x; - }; -} - -function ZoomEvent(target, type, transform) { - this.target = target; - this.type = type; - this.transform = transform; -} - -function Transform(k, x, y) { - this.k = k; - this.x = x; - this.y = y; -} - -Transform.prototype = { - constructor: Transform, - scale: function(k) { - return k === 1 ? this : new Transform(this.k * k, this.x, this.y); - }, - translate: function(x, y) { - return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y); - }, - apply: function(point) { - return [point[0] * this.k + this.x, point[1] * this.k + this.y]; - }, - applyX: function(x) { - return x * this.k + this.x; - }, - applyY: function(y) { - return y * this.k + this.y; - }, - invert: function(location) { - return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k]; - }, - invertX: function(x) { - return (x - this.x) / this.k; - }, - invertY: function(y) { - return (y - this.y) / this.k; - }, - rescaleX: function(x) { - return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x)); - }, - rescaleY: function(y) { - return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y)); - }, - toString: function() { - return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")"; - } -}; - -var identity$8 = new Transform(1, 0, 0); - -transform$1.prototype = Transform.prototype; - -function transform$1(node) { - return node.__zoom || identity$8; -} - -function nopropagation$2() { - exports.event.stopImmediatePropagation(); -} - -function noevent$2() { - exports.event.preventDefault(); - exports.event.stopImmediatePropagation(); -} - -// Ignore right-click, since that should open the context menu. -function defaultFilter$2() { - return !exports.event.button; -} - -function defaultExtent$1() { - var e = this, w, h; - if (e instanceof SVGElement) { - e = e.ownerSVGElement || e; - w = e.width.baseVal.value; - h = e.height.baseVal.value; - } else { - w = e.clientWidth; - h = e.clientHeight; - } - return [[0, 0], [w, h]]; -} - -function defaultTransform() { - return this.__zoom || identity$8; -} - -function defaultWheelDelta() { - return -exports.event.deltaY * (exports.event.deltaMode ? 120 : 1) / 500; -} - -function defaultTouchable$1() { - return "ontouchstart" in this; -} - -function defaultConstrain(transform$$1, extent, translateExtent) { - var dx0 = transform$$1.invertX(extent[0][0]) - translateExtent[0][0], - dx1 = transform$$1.invertX(extent[1][0]) - translateExtent[1][0], - dy0 = transform$$1.invertY(extent[0][1]) - translateExtent[0][1], - dy1 = transform$$1.invertY(extent[1][1]) - translateExtent[1][1]; - return transform$$1.translate( - dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1), - dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1) - ); -} - -function zoom() { - var filter = defaultFilter$2, - extent = defaultExtent$1, - constrain = defaultConstrain, - wheelDelta = defaultWheelDelta, - touchable = defaultTouchable$1, - scaleExtent = [0, Infinity], - translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], - duration = 250, - interpolate = interpolateZoom, - gestures = [], - listeners = dispatch("start", "zoom", "end"), - touchstarting, - touchending, - touchDelay = 500, - wheelDelay = 150, - clickDistance2 = 0; - - function zoom(selection) { - selection - .property("__zoom", defaultTransform) - .on("wheel.zoom", wheeled) - .on("mousedown.zoom", mousedowned) - .on("dblclick.zoom", dblclicked) - .filter(touchable) - .on("touchstart.zoom", touchstarted) - .on("touchmove.zoom", touchmoved) - .on("touchend.zoom touchcancel.zoom", touchended) - .style("touch-action", "none") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - zoom.transform = function(collection, transform$$1) { - var selection = collection.selection ? collection.selection() : collection; - selection.property("__zoom", defaultTransform); - if (collection !== selection) { - schedule(collection, transform$$1); - } else { - selection.interrupt().each(function() { - gesture(this, arguments) - .start() - .zoom(null, typeof transform$$1 === "function" ? transform$$1.apply(this, arguments) : transform$$1) - .end(); - }); - } - }; - - zoom.scaleBy = function(selection, k) { - zoom.scaleTo(selection, function() { - var k0 = this.__zoom.k, - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return k0 * k1; - }); - }; - - zoom.scaleTo = function(selection, k) { - zoom.transform(selection, function() { - var e = extent.apply(this, arguments), - t0 = this.__zoom, - p0 = centroid(e), - p1 = t0.invert(p0), - k1 = typeof k === "function" ? k.apply(this, arguments) : k; - return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent); - }); - }; - - zoom.translateBy = function(selection, x, y) { - zoom.transform(selection, function() { - return constrain(this.__zoom.translate( - typeof x === "function" ? x.apply(this, arguments) : x, - typeof y === "function" ? y.apply(this, arguments) : y - ), extent.apply(this, arguments), translateExtent); - }); - }; - - zoom.translateTo = function(selection, x, y) { - zoom.transform(selection, function() { - var e = extent.apply(this, arguments), - t = this.__zoom, - p = centroid(e); - return constrain(identity$8.translate(p[0], p[1]).scale(t.k).translate( - typeof x === "function" ? -x.apply(this, arguments) : -x, - typeof y === "function" ? -y.apply(this, arguments) : -y - ), e, translateExtent); - }); - }; - - function scale(transform$$1, k) { - k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k)); - return k === transform$$1.k ? transform$$1 : new Transform(k, transform$$1.x, transform$$1.y); - } - - function translate(transform$$1, p0, p1) { - var x = p0[0] - p1[0] * transform$$1.k, y = p0[1] - p1[1] * transform$$1.k; - return x === transform$$1.x && y === transform$$1.y ? transform$$1 : new Transform(transform$$1.k, x, y); - } - - function centroid(extent) { - return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2]; - } - - function schedule(transition, transform$$1, center) { - transition - .on("start.zoom", function() { gesture(this, arguments).start(); }) - .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); }) - .tween("zoom", function() { - var that = this, - args = arguments, - g = gesture(that, args), - e = extent.apply(that, args), - p = center || centroid(e), - w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), - a = that.__zoom, - b = typeof transform$$1 === "function" ? transform$$1.apply(that, args) : transform$$1, - i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k)); - return function(t) { - if (t === 1) t = b; // Avoid rounding error on end. - else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); } - g.zoom(null, t); - }; - }); - } - - function gesture(that, args) { - for (var i = 0, n = gestures.length, g; i < n; ++i) { - if ((g = gestures[i]).that === that) { - return g; - } - } - return new Gesture(that, args); - } - - function Gesture(that, args) { - this.that = that; - this.args = args; - this.index = -1; - this.active = 0; - this.extent = extent.apply(that, args); - } - - Gesture.prototype = { - start: function() { - if (++this.active === 1) { - this.index = gestures.push(this) - 1; - this.emit("start"); - } - return this; - }, - zoom: function(key, transform$$1) { - if (this.mouse && key !== "mouse") this.mouse[1] = transform$$1.invert(this.mouse[0]); - if (this.touch0 && key !== "touch") this.touch0[1] = transform$$1.invert(this.touch0[0]); - if (this.touch1 && key !== "touch") this.touch1[1] = transform$$1.invert(this.touch1[0]); - this.that.__zoom = transform$$1; - this.emit("zoom"); - return this; - }, - end: function() { - if (--this.active === 0) { - gestures.splice(this.index, 1); - this.index = -1; - this.emit("end"); - } - return this; - }, - emit: function(type) { - customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]); - } - }; - - function wheeled() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - t = this.__zoom, - k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), - p = mouse(this); - - // If the mouse is in the same location as before, reuse it. - // If there were recent wheel events, reset the wheel idle timeout. - if (g.wheel) { - if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) { - g.mouse[1] = t.invert(g.mouse[0] = p); - } - clearTimeout(g.wheel); - } - - // If this wheel event won’t trigger a transform change, ignore it. - else if (t.k === k) return; - - // Otherwise, capture the mouse point and location at the start. - else { - g.mouse = [p, t.invert(p)]; - interrupt(this); - g.start(); - } - - noevent$2(); - g.wheel = setTimeout(wheelidled, wheelDelay); - g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent)); - - function wheelidled() { - g.wheel = null; - g.end(); - } - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - v = select(exports.event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), - p = mouse(this), - x0 = exports.event.clientX, - y0 = exports.event.clientY; - - dragDisable(exports.event.view); - nopropagation$2(); - g.mouse = [p, this.__zoom.invert(p)]; - interrupt(this); - g.start(); - - function mousemoved() { - noevent$2(); - if (!g.moved) { - var dx = exports.event.clientX - x0, dy = exports.event.clientY - y0; - g.moved = dx * dx + dy * dy > clickDistance2; - } - g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent, translateExtent)); - } - - function mouseupped() { - v.on("mousemove.zoom mouseup.zoom", null); - yesdrag(exports.event.view, g.moved); - noevent$2(); - g.end(); - } - } - - function dblclicked() { - if (!filter.apply(this, arguments)) return; - var t0 = this.__zoom, - p0 = mouse(this), - p1 = t0.invert(p0), - k1 = t0.k * (exports.event.shiftKey ? 0.5 : 2), - t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments), translateExtent); - - noevent$2(); - if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0); - else select(this).call(zoom.transform, t1); - } - - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - started, - n = touches.length, i, t, p; - - nopropagation$2(); - for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); - p = [p, this.__zoom.invert(p), t.identifier]; - if (!g.touch0) g.touch0 = p, started = true; - else if (!g.touch1) g.touch1 = p; - } - - // If this is a dbltap, reroute to the (optional) dblclick.zoom handler. - if (touchstarting) { - touchstarting = clearTimeout(touchstarting); - if (!g.touch1) { - g.end(); - p = select(this).on("dblclick.zoom"); - if (p) p.apply(this, arguments); - return; - } - } - - if (started) { - touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay); - interrupt(this); - g.start(); - } - } - - function touchmoved() { - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t, p, l; - - noevent$2(); - if (touchstarting) touchstarting = clearTimeout(touchstarting); - for (i = 0; i < n; ++i) { - t = touches[i], p = touch(this, touches, t.identifier); - if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p; - else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p; - } - t = g.that.__zoom; - if (g.touch1) { - var p0 = g.touch0[0], l0 = g.touch0[1], - p1 = g.touch1[0], l1 = g.touch1[1], - dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp, - dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl; - t = scale(t, Math.sqrt(dp / dl)); - p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2]; - l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2]; - } - else if (g.touch0) p = g.touch0[0], l = g.touch0[1]; - else return; - g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent)); - } - - function touchended() { - var g = gesture(this, arguments), - touches = exports.event.changedTouches, - n = touches.length, i, t; - - nopropagation$2(); - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, touchDelay); - for (i = 0; i < n; ++i) { - t = touches[i]; - if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0; - else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1; - } - if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1; - if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]); - else g.end(); - } - - zoom.wheelDelta = function(_) { - return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$12(+_), zoom) : wheelDelta; - }; - - zoom.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$12(!!_), zoom) : filter; - }; - - zoom.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$12(!!_), zoom) : touchable; - }; - - zoom.extent = function(_) { - return arguments.length ? (extent = typeof _ === "function" ? _ : constant$12([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent; - }; - - zoom.scaleExtent = function(_) { - return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]]; - }; - - zoom.translateExtent = function(_) { - 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]]]; - }; - - zoom.constrain = function(_) { - return arguments.length ? (constrain = _, zoom) : constrain; - }; - - zoom.duration = function(_) { - return arguments.length ? (duration = +_, zoom) : duration; - }; - - zoom.interpolate = function(_) { - return arguments.length ? (interpolate = _, zoom) : interpolate; - }; - - zoom.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? zoom : value; - }; - - zoom.clickDistance = function(_) { - return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2); - }; - - return zoom; -} - -exports.version = version; -exports.bisect = bisectRight; -exports.bisectRight = bisectRight; -exports.bisectLeft = bisectLeft; -exports.ascending = ascending; -exports.bisector = bisector; -exports.cross = cross; -exports.descending = descending; -exports.deviation = deviation; -exports.extent = extent; -exports.histogram = histogram; -exports.thresholdFreedmanDiaconis = freedmanDiaconis; -exports.thresholdScott = scott; -exports.thresholdSturges = sturges; -exports.max = max; -exports.mean = mean; -exports.median = median; -exports.merge = merge; -exports.min = min; -exports.pairs = pairs; -exports.permute = permute; -exports.quantile = threshold; -exports.range = sequence; -exports.scan = scan; -exports.shuffle = shuffle; -exports.sum = sum; -exports.ticks = ticks; -exports.tickIncrement = tickIncrement; -exports.tickStep = tickStep; -exports.transpose = transpose; -exports.variance = variance; -exports.zip = zip; -exports.axisTop = axisTop; -exports.axisRight = axisRight; -exports.axisBottom = axisBottom; -exports.axisLeft = axisLeft; -exports.brush = brush; -exports.brushX = brushX; -exports.brushY = brushY; -exports.brushSelection = brushSelection; -exports.chord = chord; -exports.ribbon = ribbon; -exports.nest = nest; -exports.set = set$2; -exports.map = map$1; -exports.keys = keys; -exports.values = values; -exports.entries = entries; -exports.color = color; -exports.rgb = rgb; -exports.hsl = hsl; -exports.lab = lab; -exports.hcl = hcl; -exports.cubehelix = cubehelix; -exports.dispatch = dispatch; -exports.drag = drag; -exports.dragDisable = dragDisable; -exports.dragEnable = yesdrag; -exports.dsvFormat = dsv; -exports.csvParse = csvParse; -exports.csvParseRows = csvParseRows; -exports.csvFormat = csvFormat; -exports.csvFormatRows = csvFormatRows; -exports.tsvParse = tsvParse; -exports.tsvParseRows = tsvParseRows; -exports.tsvFormat = tsvFormat; -exports.tsvFormatRows = tsvFormatRows; -exports.easeLinear = linear$1; -exports.easeQuad = quadInOut; -exports.easeQuadIn = quadIn; -exports.easeQuadOut = quadOut; -exports.easeQuadInOut = quadInOut; -exports.easeCubic = cubicInOut; -exports.easeCubicIn = cubicIn; -exports.easeCubicOut = cubicOut; -exports.easeCubicInOut = cubicInOut; -exports.easePoly = polyInOut; -exports.easePolyIn = polyIn; -exports.easePolyOut = polyOut; -exports.easePolyInOut = polyInOut; -exports.easeSin = sinInOut; -exports.easeSinIn = sinIn; -exports.easeSinOut = sinOut; -exports.easeSinInOut = sinInOut; -exports.easeExp = expInOut; -exports.easeExpIn = expIn; -exports.easeExpOut = expOut; -exports.easeExpInOut = expInOut; -exports.easeCircle = circleInOut; -exports.easeCircleIn = circleIn; -exports.easeCircleOut = circleOut; -exports.easeCircleInOut = circleInOut; -exports.easeBounce = bounceOut; -exports.easeBounceIn = bounceIn; -exports.easeBounceOut = bounceOut; -exports.easeBounceInOut = bounceInOut; -exports.easeBack = backInOut; -exports.easeBackIn = backIn; -exports.easeBackOut = backOut; -exports.easeBackInOut = backInOut; -exports.easeElastic = elasticOut; -exports.easeElasticIn = elasticIn; -exports.easeElasticOut = elasticOut; -exports.easeElasticInOut = elasticInOut; -exports.forceCenter = center$1; -exports.forceCollide = collide; -exports.forceLink = link; -exports.forceManyBody = manyBody; -exports.forceRadial = radial; -exports.forceSimulation = simulation; -exports.forceX = x$2; -exports.forceY = y$2; -exports.formatDefaultLocale = defaultLocale; -exports.formatLocale = formatLocale; -exports.formatSpecifier = formatSpecifier; -exports.precisionFixed = precisionFixed; -exports.precisionPrefix = precisionPrefix; -exports.precisionRound = precisionRound; -exports.geoArea = area; -exports.geoBounds = bounds; -exports.geoCentroid = centroid; -exports.geoCircle = circle; -exports.geoClipAntimeridian = clipAntimeridian; -exports.geoClipCircle = clipCircle; -exports.geoClipExtent = extent$1; -exports.geoClipRectangle = clipRectangle; -exports.geoContains = contains; -exports.geoDistance = distance; -exports.geoGraticule = graticule; -exports.geoGraticule10 = graticule10; -exports.geoInterpolate = interpolate$1; -exports.geoLength = length$1; -exports.geoPath = index$1; -exports.geoAlbers = albers; -exports.geoAlbersUsa = albersUsa; -exports.geoAzimuthalEqualArea = azimuthalEqualArea; -exports.geoAzimuthalEqualAreaRaw = azimuthalEqualAreaRaw; -exports.geoAzimuthalEquidistant = azimuthalEquidistant; -exports.geoAzimuthalEquidistantRaw = azimuthalEquidistantRaw; -exports.geoConicConformal = conicConformal; -exports.geoConicConformalRaw = conicConformalRaw; -exports.geoConicEqualArea = conicEqualArea; -exports.geoConicEqualAreaRaw = conicEqualAreaRaw; -exports.geoConicEquidistant = conicEquidistant; -exports.geoConicEquidistantRaw = conicEquidistantRaw; -exports.geoEquirectangular = equirectangular; -exports.geoEquirectangularRaw = equirectangularRaw; -exports.geoGnomonic = gnomonic; -exports.geoGnomonicRaw = gnomonicRaw; -exports.geoIdentity = identity$5; -exports.geoProjection = projection; -exports.geoProjectionMutator = projectionMutator; -exports.geoMercator = mercator; -exports.geoMercatorRaw = mercatorRaw; -exports.geoNaturalEarth1 = naturalEarth1; -exports.geoNaturalEarth1Raw = naturalEarth1Raw; -exports.geoOrthographic = orthographic; -exports.geoOrthographicRaw = orthographicRaw; -exports.geoStereographic = stereographic; -exports.geoStereographicRaw = stereographicRaw; -exports.geoTransverseMercator = transverseMercator; -exports.geoTransverseMercatorRaw = transverseMercatorRaw; -exports.geoRotation = rotation; -exports.geoStream = geoStream; -exports.geoTransform = transform; -exports.cluster = cluster; -exports.hierarchy = hierarchy; -exports.pack = index$2; -exports.packSiblings = siblings; -exports.packEnclose = enclose; -exports.partition = partition; -exports.stratify = stratify; -exports.tree = tree; -exports.treemap = index$3; -exports.treemapBinary = binary; -exports.treemapDice = treemapDice; -exports.treemapSlice = treemapSlice; -exports.treemapSliceDice = sliceDice; -exports.treemapSquarify = squarify; -exports.treemapResquarify = resquarify; -exports.interpolate = interpolateValue; -exports.interpolateArray = array$1; -exports.interpolateBasis = basis$1; -exports.interpolateBasisClosed = basisClosed; -exports.interpolateDate = date; -exports.interpolateNumber = reinterpolate; -exports.interpolateObject = object; -exports.interpolateRound = interpolateRound; -exports.interpolateString = interpolateString; -exports.interpolateTransformCss = interpolateTransformCss; -exports.interpolateTransformSvg = interpolateTransformSvg; -exports.interpolateZoom = interpolateZoom; -exports.interpolateRgb = interpolateRgb; -exports.interpolateRgbBasis = rgbBasis; -exports.interpolateRgbBasisClosed = rgbBasisClosed; -exports.interpolateHsl = hsl$2; -exports.interpolateHslLong = hslLong; -exports.interpolateLab = lab$1; -exports.interpolateHcl = hcl$2; -exports.interpolateHclLong = hclLong; -exports.interpolateCubehelix = cubehelix$2; -exports.interpolateCubehelixLong = cubehelixLong; -exports.quantize = quantize; -exports.path = path; -exports.polygonArea = area$1; -exports.polygonCentroid = centroid$1; -exports.polygonHull = hull; -exports.polygonContains = contains$1; -exports.polygonLength = length$2; -exports.quadtree = quadtree; -exports.queue = queue; -exports.randomUniform = uniform; -exports.randomNormal = normal; -exports.randomLogNormal = logNormal; -exports.randomBates = bates; -exports.randomIrwinHall = irwinHall; -exports.randomExponential = exponential$1; -exports.request = request; -exports.html = html; -exports.json = json; -exports.text = text; -exports.xml = xml; -exports.csv = csv$1; -exports.tsv = tsv$1; -exports.scaleBand = band; -exports.scalePoint = point$1; -exports.scaleIdentity = identity$6; -exports.scaleLinear = linear$2; -exports.scaleLog = log$1; -exports.scaleOrdinal = ordinal; -exports.scaleImplicit = implicit; -exports.scalePow = pow$1; -exports.scaleSqrt = sqrt$1; -exports.scaleQuantile = quantile$$1; -exports.scaleQuantize = quantize$1; -exports.scaleThreshold = threshold$1; -exports.scaleTime = time; -exports.scaleUtc = utcTime; -exports.schemeCategory10 = category10; -exports.schemeCategory20b = category20b; -exports.schemeCategory20c = category20c; -exports.schemeCategory20 = category20; -exports.interpolateCubehelixDefault = cubehelix$3; -exports.interpolateRainbow = rainbow$1; -exports.interpolateWarm = warm; -exports.interpolateCool = cool; -exports.interpolateViridis = viridis; -exports.interpolateMagma = magma; -exports.interpolateInferno = inferno; -exports.interpolatePlasma = plasma; -exports.scaleSequential = sequential; -exports.creator = creator; -exports.local = local$1; -exports.matcher = matcher$1; -exports.mouse = mouse; -exports.namespace = namespace; -exports.namespaces = namespaces; -exports.clientPoint = point; -exports.select = select; -exports.selectAll = selectAll; -exports.selection = selection; -exports.selector = selector; -exports.selectorAll = selectorAll; -exports.style = styleValue; -exports.touch = touch; -exports.touches = touches; -exports.window = defaultView; -exports.customEvent = customEvent; -exports.arc = arc; -exports.area = area$2; -exports.line = line; -exports.pie = pie; -exports.areaRadial = areaRadial; -exports.radialArea = areaRadial; -exports.lineRadial = lineRadial$1; -exports.radialLine = lineRadial$1; -exports.pointRadial = pointRadial; -exports.linkHorizontal = linkHorizontal; -exports.linkVertical = linkVertical; -exports.linkRadial = linkRadial; -exports.symbol = symbol; -exports.symbols = symbols; -exports.symbolCircle = circle$2; -exports.symbolCross = cross$2; -exports.symbolDiamond = diamond; -exports.symbolSquare = square; -exports.symbolStar = star; -exports.symbolTriangle = triangle; -exports.symbolWye = wye; -exports.curveBasisClosed = basisClosed$1; -exports.curveBasisOpen = basisOpen; -exports.curveBasis = basis$2; -exports.curveBundle = bundle; -exports.curveCardinalClosed = cardinalClosed; -exports.curveCardinalOpen = cardinalOpen; -exports.curveCardinal = cardinal; -exports.curveCatmullRomClosed = catmullRomClosed; -exports.curveCatmullRomOpen = catmullRomOpen; -exports.curveCatmullRom = catmullRom; -exports.curveLinearClosed = linearClosed; -exports.curveLinear = curveLinear; -exports.curveMonotoneX = monotoneX; -exports.curveMonotoneY = monotoneY; -exports.curveNatural = natural; -exports.curveStep = step; -exports.curveStepAfter = stepAfter; -exports.curveStepBefore = stepBefore; -exports.stack = stack; -exports.stackOffsetExpand = expand; -exports.stackOffsetDiverging = diverging; -exports.stackOffsetNone = none$1; -exports.stackOffsetSilhouette = silhouette; -exports.stackOffsetWiggle = wiggle; -exports.stackOrderAscending = ascending$2; -exports.stackOrderDescending = descending$2; -exports.stackOrderInsideOut = insideOut; -exports.stackOrderNone = none$2; -exports.stackOrderReverse = reverse; -exports.timeInterval = newInterval; -exports.timeMillisecond = millisecond; -exports.timeMilliseconds = milliseconds; -exports.utcMillisecond = millisecond; -exports.utcMilliseconds = milliseconds; -exports.timeSecond = second; -exports.timeSeconds = seconds; -exports.utcSecond = second; -exports.utcSeconds = seconds; -exports.timeMinute = minute; -exports.timeMinutes = minutes; -exports.timeHour = hour; -exports.timeHours = hours; -exports.timeDay = day; -exports.timeDays = days; -exports.timeWeek = sunday; -exports.timeWeeks = sundays; -exports.timeSunday = sunday; -exports.timeSundays = sundays; -exports.timeMonday = monday; -exports.timeMondays = mondays; -exports.timeTuesday = tuesday; -exports.timeTuesdays = tuesdays; -exports.timeWednesday = wednesday; -exports.timeWednesdays = wednesdays; -exports.timeThursday = thursday; -exports.timeThursdays = thursdays; -exports.timeFriday = friday; -exports.timeFridays = fridays; -exports.timeSaturday = saturday; -exports.timeSaturdays = saturdays; -exports.timeMonth = month; -exports.timeMonths = months; -exports.timeYear = year; -exports.timeYears = years; -exports.utcMinute = utcMinute; -exports.utcMinutes = utcMinutes; -exports.utcHour = utcHour; -exports.utcHours = utcHours; -exports.utcDay = utcDay; -exports.utcDays = utcDays; -exports.utcWeek = utcSunday; -exports.utcWeeks = utcSundays; -exports.utcSunday = utcSunday; -exports.utcSundays = utcSundays; -exports.utcMonday = utcMonday; -exports.utcMondays = utcMondays; -exports.utcTuesday = utcTuesday; -exports.utcTuesdays = utcTuesdays; -exports.utcWednesday = utcWednesday; -exports.utcWednesdays = utcWednesdays; -exports.utcThursday = utcThursday; -exports.utcThursdays = utcThursdays; -exports.utcFriday = utcFriday; -exports.utcFridays = utcFridays; -exports.utcSaturday = utcSaturday; -exports.utcSaturdays = utcSaturdays; -exports.utcMonth = utcMonth; -exports.utcMonths = utcMonths; -exports.utcYear = utcYear; -exports.utcYears = utcYears; -exports.timeFormatDefaultLocale = defaultLocale$1; -exports.timeFormatLocale = formatLocale$1; -exports.isoFormat = formatIso; -exports.isoParse = parseIso; -exports.now = now; -exports.timer = timer; -exports.timerFlush = timerFlush; -exports.timeout = timeout$1; -exports.interval = interval$1; -exports.transition = transition; -exports.active = active; -exports.interrupt = interrupt; -exports.voronoi = voronoi; -exports.zoom = zoom; -exports.zoomTransform = transform$1; -exports.zoomIdentity = identity$8; - -Object.defineProperty(exports, '__esModule', { value: true }); - -}))); |