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- // https://d3js.org Version 5.6.0 Copyright 2018 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 = "5.6.0";
- 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),
- e5 = Math.sqrt(10),
- 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 thresholdSturges(values) {
- return Math.ceil(Math.log(values.length) / Math.LN2) + 1;
- }
- function histogram() {
- var value = identity,
- domain = extent,
- threshold = thresholdSturges;
- 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,
- right = 2,
- bottom = 3,
- left = 4,
- 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", "currentColor"));
- tick = tick.merge(tickEnter);
- line = line.merge(tickEnter.append("line")
- .attr("stroke", "currentColor")
- .attr(x + "2", k * tickSizeInner));
- text = text.merge(tickEnter.append("text")
- .attr("fill", "currentColor")
- .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);
- }
- 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() {
- return [];
- }
- function selectorAll(selector) {
- return selector == null ? empty : 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);
- }
- 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;
- 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_cloneShallow() {
- return this.parentNode.insertBefore(this.cloneNode(false), this.nextSibling);
- }
- function selection_cloneDeep() {
- return this.parentNode.insertBefore(this.cloneNode(true), this.nextSibling);
- }
- function selection_clone(deep) {
- return this.select(deep ? selection_cloneDeep : selection_cloneShallow);
- }
- function selection_datum(value) {
- return arguments.length
- ? this.property("__data__", value)
- : this.node().__data__;
- }
- 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 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,
- clone: selection_clone,
- 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 create(name) {
- return select(creator(name).call(document.documentElement));
- }
- var nextId = 0;
- function local() {
- return new Local;
- }
- function Local() {
- this._ = "@" + (++nextId).toString(36);
- }
- Local.prototype = local.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._;
- }
- };
- 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 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$$1 = select(view).on("dragstart.drag", noevent, true);
- if ("onselectstart" in root) {
- selection$$1.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$$1 = select(view).on("dragstart.drag", null);
- if (noclick) {
- selection$$1.on("click.drag", noevent, true);
- setTimeout(function() { selection$$1.on("click.drag", null); }, 0);
- }
- if ("onselectstart" in root) {
- selection$$1.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() {
- 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,
- container = defaultContainer,
- subject = defaultSubject,
- touchable = defaultTouchable,
- gestures = {},
- listeners = dispatch("start", "drag", "end"),
- active = 0,
- mousedownx,
- mousedowny,
- mousemoving,
- touchending,
- clickDistance2 = 0;
- function drag(selection$$1) {
- selection$$1
- .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$$1 = exports.event.changedTouches,
- c = container.apply(this, arguments),
- n = touches$$1.length, i, gesture;
- for (i = 0; i < n; ++i) {
- if (gesture = beforestart(touches$$1[i].identifier, c, touch, this, arguments)) {
- nopropagation();
- gesture("start");
- }
- }
- }
- function touchmoved() {
- var touches$$1 = exports.event.changedTouches,
- n = touches$$1.length, i, gesture;
- for (i = 0; i < n; ++i) {
- if (gesture = gestures[touches$$1[i].identifier]) {
- noevent();
- gesture("drag");
- }
- }
- }
- function touchended() {
- var touches$$1 = exports.event.changedTouches,
- n = touches$$1.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$$1[i].identifier]) {
- nopropagation();
- gesture("end");
- }
- }
- }
- function beforestart(id, container, point$$1, that, args) {
- var p = point$$1(container, id), s, dx, dy,
- sublisteners = listeners.copy();
- if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() {
- if ((exports.event.subject = s = subject.apply(that, args)) == null) return false;
- dx = s.x - p[0] || 0;
- dy = s.y - p[1] || 0;
- return true;
- })) return;
- return function gesture(type) {
- var p0 = p, n;
- switch (type) {
- case "start": gestures[id] = gesture, n = active++; break;
- case "end": delete gestures[id], --active; // nobreak
- case "drag": p = point$$1(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$2(!!_), drag) : touchable;
- };
- drag.on = function() {
- var value = listeners.on.apply(listeners, arguments);
- return value === listeners ? drag : value;
- };
- drag.clickDistance = function(_) {
- return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2);
- };
- return drag;
- }
- function define(constructor, factory, prototype) {
- constructor.prototype = factory.prototype = prototype;
- prototype.constructor = constructor;
- }
- function extend(parent, definition) {
- var prototype = Object.create(parent.prototype);
- for (var key in definition) prototype[key] = definition[key];
- return prototype;
- }
- function Color() {}
- var darker = 0.7;
- var brighter = 1 / darker;
- var reI = "\\s*([+-]?\\d+)\\s*",
- reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*",
- reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*",
- reHex3 = /^#([0-9a-f]{3})$/,
- reHex6 = /^#([0-9a-f]{6})$/,
- reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"),
- reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"),
- reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"),
- reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"),
- reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"),
- 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();
- },
- hex: function() {
- return this.rgb().hex();
- },
- 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);
- },
- hex: function() {
- return "#" + hex(this.r) + hex(this.g) + hex(this.b);
- },
- 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 hex(value) {
- value = Math.max(0, Math.min(255, Math.round(value) || 0));
- return (value < 16 ? "0" : "") + value.toString(16);
- }
- 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;
- // https://beta.observablehq.com/@mbostock/lab-and-rgb
- var K = 18,
- Xn = 0.96422,
- Yn = 1,
- Zn = 0.82521,
- t0 = 4 / 29,
- t1 = 6 / 29,
- t2 = 3 * t1 * t1,
- 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) {
- if (isNaN(o.h)) return new Lab(o.l, 0, 0, o.opacity);
- 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 r = rgb2lrgb(o.r),
- g = rgb2lrgb(o.g),
- b = rgb2lrgb(o.b),
- y = xyz2lab((0.2225045 * r + 0.7168786 * g + 0.0606169 * b) / Yn), x, z;
- if (r === g && g === b) x = z = y; else {
- x = xyz2lab((0.4360747 * r + 0.3850649 * g + 0.1430804 * b) / Xn);
- z = xyz2lab((0.0139322 * r + 0.0971045 * g + 0.7141733 * b) / Zn);
- }
- return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity);
- }
- function gray(l, opacity) {
- return new Lab(l, 0, 0, opacity == null ? 1 : 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 + K * (k == null ? 1 : k), this.a, this.b, this.opacity);
- },
- darker: function(k) {
- return new Lab(this.l - K * (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;
- x = Xn * lab2xyz(x);
- y = Yn * lab2xyz(y);
- z = Zn * lab2xyz(z);
- return new Rgb(
- lrgb2rgb( 3.1338561 * x - 1.6168667 * y - 0.4906146 * z),
- lrgb2rgb(-0.9787684 * x + 1.9161415 * y + 0.0334540 * z),
- lrgb2rgb( 0.0719453 * x - 0.2289914 * y + 1.4052427 * 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 lrgb2rgb(x) {
- return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055);
- }
- function rgb2lrgb(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);
- if (o.a === 0 && o.b === 0) return new Hcl(NaN, 0, o.l, o.opacity);
- 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 lch(l, c, h, opacity) {
- return arguments.length === 1 ? hclConvert(l) : new Hcl(h, c, l, opacity == null ? 1 : 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 + K * (k == null ? 1 : k), this.opacity);
- },
- darker: function(k) {
- return new Hcl(this.h, this.c, this.l - K * (k == null ? 1 : k), this.opacity);
- },
- rgb: function() {
- return labConvert(this).rgb();
- }
- }));
- var A = -0.14861,
- B = +1.78277,
- C = -0.29227,
- D = -0.90649,
- E = +1.97294,
- ED = E * D,
- EB = E * B,
- 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 interpolateNumber(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,
- 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: interpolateNumber(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" ? interpolateNumber
- : 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
- : interpolateNumber)(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,
- cssRoot,
- cssView,
- 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: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(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: interpolateNumber(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: interpolateNumber(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: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(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,
- rho2 = 2,
- rho4 = 4,
- 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 piecewise(interpolate, values) {
- var i = 0, n = values.length - 1, v = values[0], I = new Array(n < 0 ? 0 : n);
- while (i < n) I[i] = interpolate(v, v = values[++i]);
- return function(t) {
- var i = Math.max(0, Math.min(n - 1, Math.floor(t *= n)));
- return I[i](t - i);
- };
- }
- 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, // is an animation frame pending?
- timeout = 0, // is a timeout pending?
- interval = 0, // are any timers active?
- pokeDelay = 1000, // how frequently we check for clock skew
- taskHead,
- taskTail,
- clockLast = 0,
- clockNow = 0,
- clockSkew = 0,
- clock = typeof performance === "object" && performance.now ? performance : Date,
- 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$1(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$1(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" ? interpolateNumber
- : 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$$1) {
- var name = this._name,
- id = this._id;
- if (typeof select$$1 !== "function") select$$1 = selector(select$$1);
- 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$$1.call(node, node.__data__, i, group))) {
- if ("__data__" in node) subnode.__data__ = node.__data__;
- subgroup[i] = subnode;
- schedule(subgroup[i], name, id, i, subgroup, get$1(node, id));
- }
- }
- }
- return new Transition(subgroups, this._parents, name, id);
- }
- function transition_selectAll(select$$1) {
- var name = this._name,
- id = this._id;
- if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1);
- for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) {
- for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
- if (node = group[i]) {
- for (var children = select$$1.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,
- 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,
- b2 = 6 / 11,
- b3 = 8 / 11,
- b4 = 3 / 4,
- b5 = 9 / 11,
- b6 = 10 / 11,
- b7 = 15 / 16,
- b8 = 21 / 22,
- b9 = 63 / 64,
- 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,
- amplitude = 1,
- 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"},
- MODE_SPACE = {name: "space"},
- MODE_HANDLE = {name: "handle"},
- 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$1() {
- 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$1(node) {
- while (!node.__brush) if (!(node = node.parentNode)) return;
- return node.__brush;
- }
- function empty$1(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$1,
- 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$1(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$$1) {
- 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$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent),
- i = interpolateValue(selection0, selection1);
- function tween(t) {
- state.selection = t === 1 && empty$1(selection1) ? null : i(t);
- redraw.call(that);
- emit.brush();
- }
- return selection0 && selection1 ? tween : tween(1);
- });
- } else {
- group
- .each(function() {
- var that = this,
- args = arguments,
- state = that.__brush,
- selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent),
- emit = emitter(that, args).beforestart();
- interrupt(that);
- state.selection = selection1 == null || empty$1(selection1) ? null : selection1;
- redraw.call(that);
- emit.start().brush().end();
- });
- }
- };
- function redraw() {
- var group = select(this),
- selection$$1 = local$1(this).selection;
- if (selection$$1) {
- group.selectAll(".selection")
- .style("display", null)
- .attr("x", selection$$1[0][0])
- .attr("y", selection$$1[0][1])
- .attr("width", selection$$1[1][0] - selection$$1[0][0])
- .attr("height", selection$$1[1][1] - selection$$1[0][1]);
- group.selectAll(".handle")
- .style("display", null)
- .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; })
- .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; })
- .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; })
- .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[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$1(that),
- extent = state.extent,
- selection$$1 = state.selection,
- W = extent[0][0], w0, w1,
- N = extent[0][1], n0, n1,
- E = extent[1][0], e0, e1,
- S = extent[1][1], s0, s1,
- dx,
- dy,
- moving,
- shifting = signX && signY && exports.event.shiftKey,
- lockX,
- lockY,
- point0 = mouse(that),
- point$$1 = point0,
- emit = emitter(that, arguments).beforestart();
- if (type === "overlay") {
- state.selection = selection$$1 = [
- [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]],
- [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0]
- ];
- } else {
- w0 = selection$$1[0][0];
- n0 = selection$$1[0][1];
- e0 = selection$$1[1][0];
- s0 = selection$$1[1][1];
- }
- w1 = w0;
- n1 = n0;
- e1 = e0;
- s1 = s0;
- var group = select(that)
- .attr("pointer-events", "none");
- var overlay = group.selectAll(".overlay")
- .attr("cursor", cursors[type]);
- if (exports.event.touches) {
- group
- .on("touchmove.brush", moved, true)
- .on("touchend.brush touchcancel.brush", ended, true);
- } else {
- var view = select(exports.event.view)
- .on("keydown.brush", keydowned, true)
- .on("keyup.brush", keyupped, true)
- .on("mousemove.brush", moved, true)
- .on("mouseup.brush", ended, true);
- dragDisable(exports.event.view);
- }
- nopropagation$1();
- interrupt(that);
- redraw.call(that);
- emit.start();
- function moved() {
- var point1 = mouse(that);
- if (shifting && !lockX && !lockY) {
- if (Math.abs(point1[0] - point$$1[0]) > Math.abs(point1[1] - point$$1[1])) lockY = true;
- else lockX = true;
- }
- point$$1 = point1;
- moving = true;
- noevent$1();
- move();
- }
- function move() {
- var t;
- dx = point$$1[0] - point0[0];
- dy = point$$1[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$$1 = state.selection; // May be set by brush.move!
- if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0];
- if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1];
- if (selection$$1[0][0] !== w1
- || selection$$1[0][1] !== n1
- || selection$$1[1][0] !== e1
- || selection$$1[1][1] !== s1) {
- state.selection = [[w1, n1], [e1, s1]];
- redraw.call(that);
- emit.brush();
- }
- }
- function ended() {
- nopropagation$1();
- if (exports.event.touches) {
- if (exports.event.touches.length) return;
- if (touchending) clearTimeout(touchending);
- touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
- group.on("touchmove.brush touchend.brush touchcancel.brush", null);
- } else {
- yesdrag(exports.event.view, moving);
- view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null);
- }
- group.attr("pointer-events", "all");
- overlay.attr("cursor", cursors.overlay);
- if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)!
- if (empty$1(selection$$1)) 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,
- tau$2 = 2 * pi$2,
- epsilon$1 = 1e-6,
- 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 array$2 = Array.prototype;
- var slice$3 = array$2.slice;
- function ascending$2(a, b) {
- return a - b;
- }
- function area(ring) {
- var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1];
- while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1];
- return area;
- }
- function constant$6(x) {
- return function() {
- return x;
- };
- }
- function contains(ring, hole) {
- var i = -1, n = hole.length, c;
- while (++i < n) if (c = ringContains(ring, hole[i])) return c;
- return 0;
- }
- function ringContains(ring, point) {
- var x = point[0], y = point[1], contains = -1;
- for (var i = 0, n = ring.length, j = n - 1; i < n; j = i++) {
- var pi = ring[i], xi = pi[0], yi = pi[1], pj = ring[j], xj = pj[0], yj = pj[1];
- if (segmentContains(pi, pj, point)) return 0;
- if (((yi > y) !== (yj > y)) && ((x < (xj - xi) * (y - yi) / (yj - yi) + xi))) contains = -contains;
- }
- return contains;
- }
- function segmentContains(a, b, c) {
- var i; return collinear(a, b, c) && within(a[i = +(a[0] === b[0])], c[i], b[i]);
- }
- function collinear(a, b, c) {
- return (b[0] - a[0]) * (c[1] - a[1]) === (c[0] - a[0]) * (b[1] - a[1]);
- }
- function within(p, q, r) {
- return p <= q && q <= r || r <= q && q <= p;
- }
- function noop$1() {}
- var cases = [
- [],
- [[[1.0, 1.5], [0.5, 1.0]]],
- [[[1.5, 1.0], [1.0, 1.5]]],
- [[[1.5, 1.0], [0.5, 1.0]]],
- [[[1.0, 0.5], [1.5, 1.0]]],
- [[[1.0, 1.5], [0.5, 1.0]], [[1.0, 0.5], [1.5, 1.0]]],
- [[[1.0, 0.5], [1.0, 1.5]]],
- [[[1.0, 0.5], [0.5, 1.0]]],
- [[[0.5, 1.0], [1.0, 0.5]]],
- [[[1.0, 1.5], [1.0, 0.5]]],
- [[[0.5, 1.0], [1.0, 0.5]], [[1.5, 1.0], [1.0, 1.5]]],
- [[[1.5, 1.0], [1.0, 0.5]]],
- [[[0.5, 1.0], [1.5, 1.0]]],
- [[[1.0, 1.5], [1.5, 1.0]]],
- [[[0.5, 1.0], [1.0, 1.5]]],
- []
- ];
- function contours() {
- var dx = 1,
- dy = 1,
- threshold$$1 = thresholdSturges,
- smooth = smoothLinear;
- function contours(values) {
- var tz = threshold$$1(values);
- // Convert number of thresholds into uniform thresholds.
- if (!Array.isArray(tz)) {
- var domain = extent(values), start = domain[0], stop = domain[1];
- tz = tickStep(start, stop, tz);
- tz = sequence(Math.floor(start / tz) * tz, Math.floor(stop / tz) * tz, tz);
- } else {
- tz = tz.slice().sort(ascending$2);
- }
- return tz.map(function(value) {
- return contour(values, value);
- });
- }
- // Accumulate, smooth contour rings, assign holes to exterior rings.
- // Based on https://github.com/mbostock/shapefile/blob/v0.6.2/shp/polygon.js
- function contour(values, value) {
- var polygons = [],
- holes = [];
- isorings(values, value, function(ring) {
- smooth(ring, values, value);
- if (area(ring) > 0) polygons.push([ring]);
- else holes.push(ring);
- });
- holes.forEach(function(hole) {
- for (var i = 0, n = polygons.length, polygon; i < n; ++i) {
- if (contains((polygon = polygons[i])[0], hole) !== -1) {
- polygon.push(hole);
- return;
- }
- }
- });
- return {
- type: "MultiPolygon",
- value: value,
- coordinates: polygons
- };
- }
- // Marching squares with isolines stitched into rings.
- // Based on https://github.com/topojson/topojson-client/blob/v3.0.0/src/stitch.js
- function isorings(values, value, callback) {
- var fragmentByStart = new Array,
- fragmentByEnd = new Array,
- x, y, t0, t1, t2, t3;
- // Special case for the first row (y = -1, t2 = t3 = 0).
- x = y = -1;
- t1 = values[0] >= value;
- cases[t1 << 1].forEach(stitch);
- while (++x < dx - 1) {
- t0 = t1, t1 = values[x + 1] >= value;
- cases[t0 | t1 << 1].forEach(stitch);
- }
- cases[t1 << 0].forEach(stitch);
- // General case for the intermediate rows.
- while (++y < dy - 1) {
- x = -1;
- t1 = values[y * dx + dx] >= value;
- t2 = values[y * dx] >= value;
- cases[t1 << 1 | t2 << 2].forEach(stitch);
- while (++x < dx - 1) {
- t0 = t1, t1 = values[y * dx + dx + x + 1] >= value;
- t3 = t2, t2 = values[y * dx + x + 1] >= value;
- cases[t0 | t1 << 1 | t2 << 2 | t3 << 3].forEach(stitch);
- }
- cases[t1 | t2 << 3].forEach(stitch);
- }
- // Special case for the last row (y = dy - 1, t0 = t1 = 0).
- x = -1;
- t2 = values[y * dx] >= value;
- cases[t2 << 2].forEach(stitch);
- while (++x < dx - 1) {
- t3 = t2, t2 = values[y * dx + x + 1] >= value;
- cases[t2 << 2 | t3 << 3].forEach(stitch);
- }
- cases[t2 << 3].forEach(stitch);
- function stitch(line) {
- var start = [line[0][0] + x, line[0][1] + y],
- end = [line[1][0] + x, line[1][1] + y],
- startIndex = index(start),
- endIndex = index(end),
- f, g;
- if (f = fragmentByEnd[startIndex]) {
- if (g = fragmentByStart[endIndex]) {
- delete fragmentByEnd[f.end];
- delete fragmentByStart[g.start];
- if (f === g) {
- f.ring.push(end);
- callback(f.ring);
- } else {
- fragmentByStart[f.start] = fragmentByEnd[g.end] = {start: f.start, end: g.end, ring: f.ring.concat(g.ring)};
- }
- } else {
- delete fragmentByEnd[f.end];
- f.ring.push(end);
- fragmentByEnd[f.end = endIndex] = f;
- }
- } else if (f = fragmentByStart[endIndex]) {
- if (g = fragmentByEnd[startIndex]) {
- delete fragmentByStart[f.start];
- delete fragmentByEnd[g.end];
- if (f === g) {
- f.ring.push(end);
- callback(f.ring);
- } else {
- fragmentByStart[g.start] = fragmentByEnd[f.end] = {start: g.start, end: f.end, ring: g.ring.concat(f.ring)};
- }
- } else {
- delete fragmentByStart[f.start];
- f.ring.unshift(start);
- fragmentByStart[f.start = startIndex] = f;
- }
- } else {
- fragmentByStart[startIndex] = fragmentByEnd[endIndex] = {start: startIndex, end: endIndex, ring: [start, end]};
- }
- }
- }
- function index(point) {
- return point[0] * 2 + point[1] * (dx + 1) * 4;
- }
- function smoothLinear(ring, values, value) {
- ring.forEach(function(point) {
- var x = point[0],
- y = point[1],
- xt = x | 0,
- yt = y | 0,
- v0,
- v1 = values[yt * dx + xt];
- if (x > 0 && x < dx && xt === x) {
- v0 = values[yt * dx + xt - 1];
- point[0] = x + (value - v0) / (v1 - v0) - 0.5;
- }
- if (y > 0 && y < dy && yt === y) {
- v0 = values[(yt - 1) * dx + xt];
- point[1] = y + (value - v0) / (v1 - v0) - 0.5;
- }
- });
- }
- contours.contour = contour;
- contours.size = function(_) {
- if (!arguments.length) return [dx, dy];
- var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]);
- if (!(_0 > 0) || !(_1 > 0)) throw new Error("invalid size");
- return dx = _0, dy = _1, contours;
- };
- contours.thresholds = function(_) {
- return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), contours) : threshold$$1;
- };
- contours.smooth = function(_) {
- return arguments.length ? (smooth = _ ? smoothLinear : noop$1, contours) : smooth === smoothLinear;
- };
- return contours;
- }
- // TODO Optimize edge cases.
- // TODO Optimize index calculation.
- // TODO Optimize arguments.
- function blurX(source, target, r) {
- var n = source.width,
- m = source.height,
- w = (r << 1) + 1;
- for (var j = 0; j < m; ++j) {
- for (var i = 0, sr = 0; i < n + r; ++i) {
- if (i < n) {
- sr += source.data[i + j * n];
- }
- if (i >= r) {
- if (i >= w) {
- sr -= source.data[i - w + j * n];
- }
- target.data[i - r + j * n] = sr / Math.min(i + 1, n - 1 + w - i, w);
- }
- }
- }
- }
- // TODO Optimize edge cases.
- // TODO Optimize index calculation.
- // TODO Optimize arguments.
- function blurY(source, target, r) {
- var n = source.width,
- m = source.height,
- w = (r << 1) + 1;
- for (var i = 0; i < n; ++i) {
- for (var j = 0, sr = 0; j < m + r; ++j) {
- if (j < m) {
- sr += source.data[i + j * n];
- }
- if (j >= r) {
- if (j >= w) {
- sr -= source.data[i + (j - w) * n];
- }
- target.data[i + (j - r) * n] = sr / Math.min(j + 1, m - 1 + w - j, w);
- }
- }
- }
- }
- function defaultX(d) {
- return d[0];
- }
- function defaultY(d) {
- return d[1];
- }
- function defaultWeight() {
- return 1;
- }
- function density() {
- var x = defaultX,
- y = defaultY,
- weight = defaultWeight,
- dx = 960,
- dy = 500,
- r = 20, // blur radius
- k = 2, // log2(grid cell size)
- o = r * 3, // grid offset, to pad for blur
- n = (dx + o * 2) >> k, // grid width
- m = (dy + o * 2) >> k, // grid height
- threshold$$1 = constant$6(20);
- function density(data) {
- var values0 = new Float32Array(n * m),
- values1 = new Float32Array(n * m);
- data.forEach(function(d, i, data) {
- var xi = (+x(d, i, data) + o) >> k,
- yi = (+y(d, i, data) + o) >> k,
- wi = +weight(d, i, data);
- if (xi >= 0 && xi < n && yi >= 0 && yi < m) {
- values0[xi + yi * n] += wi;
- }
- });
- // TODO Optimize.
- blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k);
- blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k);
- blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k);
- blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k);
- blurX({width: n, height: m, data: values0}, {width: n, height: m, data: values1}, r >> k);
- blurY({width: n, height: m, data: values1}, {width: n, height: m, data: values0}, r >> k);
- var tz = threshold$$1(values0);
- // Convert number of thresholds into uniform thresholds.
- if (!Array.isArray(tz)) {
- var stop = max(values0);
- tz = tickStep(0, stop, tz);
- tz = sequence(0, Math.floor(stop / tz) * tz, tz);
- tz.shift();
- }
- return contours()
- .thresholds(tz)
- .size([n, m])
- (values0)
- .map(transform);
- }
- function transform(geometry) {
- geometry.value *= Math.pow(2, -2 * k); // Density in points per square pixel.
- geometry.coordinates.forEach(transformPolygon);
- return geometry;
- }
- function transformPolygon(coordinates) {
- coordinates.forEach(transformRing);
- }
- function transformRing(coordinates) {
- coordinates.forEach(transformPoint);
- }
- // TODO Optimize.
- function transformPoint(coordinates) {
- coordinates[0] = coordinates[0] * Math.pow(2, k) - o;
- coordinates[1] = coordinates[1] * Math.pow(2, k) - o;
- }
- function resize() {
- o = r * 3;
- n = (dx + o * 2) >> k;
- m = (dy + o * 2) >> k;
- return density;
- }
- density.x = function(_) {
- return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), density) : x;
- };
- density.y = function(_) {
- return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), density) : y;
- };
- density.weight = function(_) {
- return arguments.length ? (weight = typeof _ === "function" ? _ : constant$6(+_), density) : weight;
- };
- density.size = function(_) {
- if (!arguments.length) return [dx, dy];
- var _0 = Math.ceil(_[0]), _1 = Math.ceil(_[1]);
- if (!(_0 >= 0) && !(_0 >= 0)) throw new Error("invalid size");
- return dx = _0, dy = _1, resize();
- };
- density.cellSize = function(_) {
- if (!arguments.length) return 1 << k;
- if (!((_ = +_) >= 1)) throw new Error("invalid cell size");
- return k = Math.floor(Math.log(_) / Math.LN2), resize();
- };
- density.thresholds = function(_) {
- return arguments.length ? (threshold$$1 = typeof _ === "function" ? _ : Array.isArray(_) ? constant$6(slice$3.call(_)) : constant$6(_), density) : threshold$$1;
- };
- density.bandwidth = function(_) {
- if (!arguments.length) return Math.sqrt(r * (r + 1));
- if (!((_ = +_) >= 0)) throw new Error("invalid bandwidth");
- return r = Math.round((Math.sqrt(4 * _ * _ + 1) - 1) / 2), resize();
- };
- return density;
- }
- var EOL = {},
- EOF = {},
- QUOTE = 34,
- NEWLINE = 10,
- 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 responseBlob(response) {
- if (!response.ok) throw new Error(response.status + " " + response.statusText);
- return response.blob();
- }
- function blob(input, init) {
- return fetch(input, init).then(responseBlob);
- }
- function responseArrayBuffer(response) {
- if (!response.ok) throw new Error(response.status + " " + response.statusText);
- return response.arrayBuffer();
- }
- function buffer(input, init) {
- return fetch(input, init).then(responseArrayBuffer);
- }
- function responseText(response) {
- if (!response.ok) throw new Error(response.status + " " + response.statusText);
- return response.text();
- }
- function text(input, init) {
- return fetch(input, init).then(responseText);
- }
- function dsvParse(parse) {
- return function(input, init, row) {
- if (arguments.length === 2 && typeof init === "function") row = init, init = undefined;
- return text(input, init).then(function(response) {
- return parse(response, row);
- });
- };
- }
- function dsv$1(delimiter, input, init, row) {
- if (arguments.length === 3 && typeof init === "function") row = init, init = undefined;
- var format = dsv(delimiter);
- return text(input, init).then(function(response) {
- return format.parse(response, row);
- });
- }
- var csv$1 = dsvParse(csvParse);
- var tsv$1 = dsvParse(tsvParse);
- function image(input, init) {
- return new Promise(function(resolve, reject) {
- var image = new Image;
- for (var key in init) image[key] = init[key];
- image.onerror = reject;
- image.onload = function() { resolve(image); };
- image.src = input;
- });
- }
- function responseJson(response) {
- if (!response.ok) throw new Error(response.status + " " + response.statusText);
- return response.json();
- }
- function json(input, init) {
- return fetch(input, init).then(responseJson);
- }
- function parser(type) {
- return function(input, init) {
- return text(input, init).then(function(text$$1) {
- return (new DOMParser).parseFromString(text$$1, type);
- });
- };
- }
- var xml = parser("application/xml");
- var html = parser("text/html");
- var svg = parser("image/svg+xml");
- 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$7(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$1(d) {
- return d[0];
- }
- function tree_x(_) {
- return arguments.length ? (this._x = _, this) : this._x;
- }
- function defaultY$1(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$1 : x, y == null ? defaultY$1 : 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$7(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$7(+_), 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$7(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$7(+_), initializeStrength(), force) : strength;
- };
- force.distance = function(_) {
- return arguments.length ? (distance = typeof _ === "function" ? _ : constant$7(+_), initializeDistance(), force) : distance;
- };
- return force;
- }
- function x$1(d) {
- return d.x;
- }
- function y$1(d) {
- return d.y;
- }
- var initialRadius = 10,
- 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$7(-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$7(+_), 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$7(0.1),
- strengths,
- radiuses;
- if (typeof radius !== "function") radius = constant$7(+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$7(+_), initialize(), force) : strength;
- };
- force.radius = function(_) {
- return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), 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$7(0.1),
- nodes,
- strengths,
- xz;
- if (typeof x !== "function") x = constant$7(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$7(+_), initialize(), force) : strength;
- };
- force.x = function(_) {
- return arguments.length ? (x = typeof _ === "function" ? _ : constant$7(+_), initialize(), force) : x;
- };
- return force;
- }
- function y$2(y) {
- var strength = constant$7(0.1),
- nodes,
- strengths,
- yz;
- if (typeof y !== "function") y = constant$7(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$7(+_), initialize(), force) : strength;
- };
- force.y = function(_) {
- return arguments.length ? (y = typeof _ === "function" ? _ : constant$7(+_), 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];
- });
- };
- }
- // [[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;
- this.fill = match[1] || " ";
- this.align = match[2] || ">";
- this.sign = match[3] || "-";
- this.symbol = match[4] || "";
- this.zero = !!match[5];
- this.width = match[6] && +match[6];
- this.comma = !!match[7];
- this.precision = match[8] && +match[8].slice(1);
- this.trim = !!match[9];
- this.type = match[10] || "";
- }
- 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.trim ? "~" : "")
- + this.type;
- };
- // Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k.
- function formatTrim(s) {
- out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) {
- switch (s[i]) {
- case ".": i0 = i1 = i; break;
- case "0": if (i0 === 0) i0 = i; i1 = i; break;
- default: if (i0 > 0) { if (!+s[i]) break out; i0 = 0; } break;
- }
- }
- return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s;
- }
- 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 = {
- "%": 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); }
- };
- 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$3,
- percent = locale.percent || "%";
- function newFormat(specifier) {
- specifier = formatSpecifier(specifier);
- var fill = specifier.fill,
- align = specifier.align,
- sign = specifier.sign,
- symbol = specifier.symbol,
- zero = specifier.zero,
- width = specifier.width,
- comma = specifier.comma,
- precision = specifier.precision,
- trim = specifier.trim,
- type = specifier.type;
- // The "n" type is an alias for ",g".
- if (type === "n") comma = true, type = "g";
- // The "" type, and any invalid type, is an alias for ".12~g".
- else if (!formatTypes[type]) precision == null && (precision = 12), trim = true, type = "g";
- // If zero fill is specified, padding goes after sign and before digits.
- if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";
- // Compute the prefix and suffix.
- // For SI-prefix, the suffix is lazily computed.
- var prefix = symbol === "$" ? 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 = /[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 ? 6
- : /[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);
- // Trim insignificant zeros.
- if (trim) value = formatTrim(value);
- // 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 = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (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$2() {}
- 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(),
- lambda00,
- phi00,
- lambda0,
- cosPhi0,
- sinPhi0;
- var areaStream = {
- point: noop$2,
- lineStart: noop$2,
- lineEnd: noop$2,
- 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$2;
- },
- 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$1(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, phi0, lambda1, phi1, // bounds
- lambda2, // previous lambda-coordinate
- lambda00$1, phi00$1, // first point
- p0, // previous 3D point
- deltaSum = adder(),
- ranges,
- 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, W1,
- X0, Y0, Z0,
- X1, Y1, Z1,
- X2, Y2, Z2,
- lambda00$2, phi00$2, // first point
- x0, y0, z0; // previous point
- var centroidStream = {
- sphere: noop$2,
- 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$8(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$8([0, 0]),
- radius = constant$8(90),
- precision = constant$8(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$8([+_[0], +_[1]]), circle) : center;
- };
- circle.radius = function(_) {
- return arguments.length ? (radius = typeof _ === "function" ? _ : constant$8(+_), circle) : radius;
- };
- circle.precision = function(_) {
- return arguments.length ? (precision = typeof _ === "function" ? _ : constant$8(+_), 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$2,
- 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],
- sinPhi = sin$1(phi),
- normal = [sin$1(lambda), -cos$1(lambda), 0],
- angle = 0,
- winding = 0;
- sum$1.reset();
- if (sinPhi === 1) phi = halfPi$2 + epsilon$2;
- else if (sinPhi === -1) phi = -halfPi$2 - epsilon$2;
- 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, 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(),
- lambda0$2,
- sinPhi0$1,
- cosPhi0$1;
- var lengthStream = {
- sphere: noop$2,
- point: noop$2,
- lineStart: lengthLineStart,
- lineEnd: noop$2,
- polygonStart: noop$2,
- polygonEnd: noop$2
- };
- function lengthLineStart() {
- lengthStream.point = lengthPointFirst;
- lengthStream.lineEnd = lengthLineEnd;
- }
- function lengthLineEnd() {
- lengthStream.point = lengthStream.lineEnd = noop$2;
- }
- 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],
- 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$1(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(),
- areaRingSum$1 = adder(),
- x00,
- y00,
- x0$1,
- y0$1;
- var areaStream$1 = {
- point: noop$2,
- lineStart: noop$2,
- lineEnd: noop$2,
- polygonStart: function() {
- areaStream$1.lineStart = areaRingStart$1;
- areaStream$1.lineEnd = areaRingEnd$1;
- },
- polygonEnd: function() {
- areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2;
- 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,
- y0$2 = x0$2,
- x1 = -x0$2,
- y1 = x1;
- var boundsStream$1 = {
- point: boundsPoint$1,
- lineStart: noop$2,
- lineEnd: noop$2,
- polygonStart: noop$2,
- polygonEnd: noop$2,
- 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,
- Y0$1 = 0,
- Z0$1 = 0,
- X1$1 = 0,
- Y1$1 = 0,
- Z1$1 = 0,
- X2$1 = 0,
- Y2$1 = 0,
- Z2$1 = 0,
- x00$1,
- y00$1,
- x0$3,
- 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$2
- };
- var lengthSum$1 = adder(),
- lengthRing,
- x00$2,
- y00$2,
- x0$4,
- y0$4;
- var lengthStream$1 = {
- point: noop$2,
- lineStart: function() {
- lengthStream$1.point = lengthPointFirst$1;
- },
- lineEnd: function() {
- if (lengthRing) lengthPoint$1(x00$2, y00$2);
- lengthStream$1.point = noop$2;
- },
- 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, // maximum depth of subdivision
- 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 scaleTranslate(k, dx, dy) {
- function transform$$1(x, y) {
- return [dx + k * x, dy - k * y];
- }
- transform$$1.invert = function(x, y) {
- return [(x - dx) / k, (dy - y) / k];
- };
- return transform$$1;
- }
- function scaleTranslateRotate(k, dx, dy, alpha) {
- var cosAlpha = cos$1(alpha),
- sinAlpha = sin$1(alpha),
- a = cosAlpha * k,
- b = sinAlpha * k,
- ai = cosAlpha / k,
- bi = sinAlpha / k,
- ci = (sinAlpha * dy - cosAlpha * dx) / k,
- fi = (sinAlpha * dx + cosAlpha * dy) / k;
- function transform$$1(x, y) {
- return [a * x - b * y + dx, dy - b * x - a * y];
- }
- transform$$1.invert = function(x, y) {
- return [ai * x - bi * y + ci, fi - bi * x - ai * y];
- };
- return transform$$1;
- }
- function projection(project) {
- return projectionMutator(function() { return project; })();
- }
- function projectionMutator(projectAt) {
- var project,
- k = 150, // scale
- x = 480, y = 250, // translate
- lambda = 0, phi = 0, // center
- deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate
- alpha = 0, // post-rotate
- theta = null, preclip = clipAntimeridian, // pre-clip angle
- x0 = null, y0, x1, y1, postclip = identity$4, // post-clip extent
- delta2 = 0.5, // precision
- projectResample,
- projectTransform,
- projectRotateTransform,
- cache,
- cacheStream;
- function projection(point) {
- return projectRotateTransform(point[0] * radians, point[1] * radians);
- }
- function invert(point) {
- point = projectRotateTransform.invert(point[0], point[1]);
- return point && [point[0] * degrees$1, point[1] * degrees$1];
- }
- 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.angle = function(_) {
- return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * 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() {
- var center = scaleTranslateRotate(k, 0, 0, alpha).apply(null, project(lambda, phi)),
- transform$$1 = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], alpha);
- rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma);
- projectTransform = compose(project, transform$$1);
- projectRotateTransform = compose(rotate, projectTransform);
- projectResample = resample(projectTransform, delta2);
- 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$1(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$$1 = scaleTranslate$1((k = +_) * sx, k * sy, tx, ty), reset()) : k;
- },
- translate: function(_) {
- return arguments.length ? (transform$$1 = scaleTranslate$1(k * sx, k * sy, tx = +_[0], ty = +_[1]), reset()) : [tx, ty];
- },
- reflectX: function(_) {
- return arguments.length ? (transform$$1 = scaleTranslate$1(k * (sx = _ ? -1 : 1), k * sy, tx, ty), reset()) : sx < 0;
- },
- reflectY: function(_) {
- return arguments.length ? (transform$$1 = scaleTranslate$1(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$4 = 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$4.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(b, a, c) {
- var dx = b.x - a.x, x, a2,
- dy = b.y - a.y, y, b2,
- d2 = dx * dx + dy * dy;
- if (d2) {
- a2 = a.r + c.r, a2 *= a2;
- b2 = b.r + c.r, b2 *= b2;
- if (a2 > b2) {
- x = (d2 + b2 - a2) / (2 * d2);
- y = Math.sqrt(Math.max(0, b2 / d2 - x * x));
- c.x = b.x - x * dx - y * dy;
- c.y = b.y - x * dy + y * dx;
- } else {
- x = (d2 + a2 - b2) / (2 * d2);
- y = Math.sqrt(Math.max(0, a2 / d2 - x * x));
- c.x = a.x + x * dx - y * dy;
- c.y = a.y + x * dy + y * dx;
- }
- } else {
- c.x = a.x + c.r;
- c.y = a.y;
- }
- }
- function intersects(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 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$9(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$9(+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$1 = "$", // Protect against keys like “__proto__”.
- preroot = {depth: -1},
- 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$9(+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$9(+x), treemap) : paddingTop;
- };
- treemap.paddingRight = function(x) {
- return arguments.length ? (paddingRight = typeof x === "function" ? x : constant$9(+x), treemap) : paddingRight;
- };
- treemap.paddingBottom = function(x) {
- return arguments.length ? (paddingBottom = typeof x === "function" ? x : constant$9(+x), treemap) : paddingBottom;
- };
- treemap.paddingLeft = function(x) {
- return arguments.length ? (paddingLeft = typeof x === "function" ? x : constant$9(+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$2(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$2(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;
- }
- 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);
- var array$3 = Array.prototype;
- var map$2 = array$3.map;
- var slice$5 = array$3.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$a(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$a(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$$1,
- output,
- input;
- function rescale() {
- piecewise$$1 = Math.min(domain.length, range.length) > 2 ? polymap : bimap;
- output = input = null;
- return scale;
- }
- function scale(x) {
- return (output || (output = piecewise$$1(domain, range, clamp ? deinterpolateClamp(deinterpolate) : deinterpolate, interpolate$$1)))(+x);
- }
- scale.invert = function(y) {
- return (input || (input = piecewise$$1(range, domain, deinterpolateLinear, clamp ? reinterpolateClamp(reinterpolate) : reinterpolate)))(+y);
- };
- scale.domain = function(_) {
- return arguments.length ? (domain = map$2.call(_, number$2), rescale()) : domain.slice();
- };
- scale.range = function(_) {
- return arguments.length ? (range = slice$5.call(_), rescale()) : range.slice();
- };
- scale.rangeRound = function(_) {
- return range = slice$5.call(_), interpolate$$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, interpolateNumber);
- 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$2.call(_, number$2), scale) : domain.slice();
- };
- scale.copy = function() {
- return identity$6().domain(domain);
- };
- return linearish(scale);
- }
- function nice(domain, interval) {
- domain = domain.slice();
- var i0 = 0,
- i1 = domain.length - 1,
- x0 = domain[i0],
- x1 = domain[i1],
- t;
- if (x1 < x0) {
- t = i0, i0 = i1, i1 = t;
- t = x0, x0 = x1, x1 = t;
- }
- domain[i0] = interval.floor(x0);
- domain[i1] = interval.ceil(x1);
- return domain;
- }
- function deinterpolate(a, b) {
- return (b = Math.log(b / a))
- ? function(x) { return Math.log(x / a) / b; }
- : constant$a(b);
- }
- function reinterpolate(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).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$1(x, exponent) - a) / b; }
- : constant$a(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,
- 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 = 1e3;
- var durationMinute = 6e4;
- var durationHour = 36e5;
- var durationDay = 864e5;
- var durationWeek = 6048e5;
- var second = newInterval(function(date) {
- date.setTime(Math.floor(date / durationSecond) * durationSecond);
- }, function(date, step) {
- date.setTime(+date + step * durationSecond);
- }, function(start, end) {
- return (end - start) / durationSecond;
- }, function(date) {
- return date.getUTCSeconds();
- });
- var seconds = second.range;
- var minute = newInterval(function(date) {
- date.setTime(Math.floor(date / durationMinute) * durationMinute);
- }, function(date, step) {
- date.setTime(+date + step * durationMinute);
- }, function(start, end) {
- return (end - start) / durationMinute;
- }, function(date) {
- return date.getMinutes();
- });
- var minutes = minute.range;
- var hour = newInterval(function(date) {
- var offset = date.getTimezoneOffset() * durationMinute % durationHour;
- if (offset < 0) offset += durationHour;
- date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset);
- }, function(date, step) {
- date.setTime(+date + step * durationHour);
- }, function(start, end) {
- return (end - start) / durationHour;
- }, 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) / durationDay;
- }, 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) / durationWeek;
- });
- }
- 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);
- }, function(start, end) {
- return (end - start) / durationMinute;
- }, 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);
- }, function(start, end) {
- return (end - start) / durationHour;
- }, 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;
- }, 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;
- });
- }
- 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"},
- numberRe = /^\s*\d+/, // note: ignores next directive
- percentRe = /^%/,
- 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$1 = 1000,
- durationMinute$1 = durationSecond$1 * 60,
- durationHour$1 = durationMinute$1 * 60,
- durationDay$1 = durationHour$1 * 24,
- durationWeek$1 = durationDay$1 * 7,
- durationMonth = durationDay$1 * 30,
- durationYear = durationDay$1 * 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, interpolateNumber),
- 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$$1, 1, durationSecond$1],
- [second$$1, 5, 5 * durationSecond$1],
- [second$$1, 15, 15 * durationSecond$1],
- [second$$1, 30, 30 * durationSecond$1],
- [minute$$1, 1, durationMinute$1],
- [minute$$1, 5, 5 * durationMinute$1],
- [minute$$1, 15, 15 * durationMinute$1],
- [minute$$1, 30, 30 * durationMinute$1],
- [ hour$$1, 1, durationHour$1 ],
- [ hour$$1, 3, 3 * durationHour$1 ],
- [ hour$$1, 6, 6 * durationHour$1 ],
- [ hour$$1, 12, 12 * durationHour$1 ],
- [ day$$1, 1, durationDay$1 ],
- [ day$$1, 2, 2 * durationDay$1 ],
- [ week, 1, durationWeek$1 ],
- [ month$$1, 1, durationMonth ],
- [ month$$1, 3, 3 * durationMonth ],
- [ year$$1, 1, durationYear ]
- ];
- function tickFormat(date$$1) {
- return (second$$1(date$$1) < date$$1 ? formatMillisecond
- : minute$$1(date$$1) < date$$1 ? formatSecond
- : hour$$1(date$$1) < date$$1 ? formatMinute
- : day$$1(date$$1) < date$$1 ? formatHour
- : month$$1(date$$1) < date$$1 ? (week(date$$1) < date$$1 ? formatDay : formatWeek)
- : year$$1(date$$1) < date$$1 ? formatMonth
- : formatYear)(date$$1);
- }
- function tickInterval(interval, start, stop, step) {
- if (interval == null) interval = 10;
- // If a desired tick count is specified, pick a reasonable tick interval
- // based on the extent of the domain and a rough estimate of tick size.
- // Otherwise, assume interval is already a time interval and use it.
- if (typeof interval === "number") {
- var target = Math.abs(stop - start) / interval,
- i = bisector(function(i) { return i[2]; }).right(tickIntervals, target);
- if (i === tickIntervals.length) {
- step = tickStep(start / durationYear, stop / durationYear, interval);
- interval = year$$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$$1;
- }
- }
- return step == null ? interval : interval.every(step);
- }
- scale.invert = function(y) {
- return new Date(invert(y));
- };
- scale.domain = function(_) {
- return arguments.length ? domain(map$2.call(_, number$3)) : domain().map(date$1);
- };
- scale.ticks = function(interval, step) {
- var d = domain(),
- t0 = d[0],
- t1 = d[d.length - 1],
- r = t1 < t0,
- t;
- if (r) t = t0, t0 = t1, t1 = t;
- t = tickInterval(interval, t0, t1, step);
- t = t ? t.range(t0, t1 + 1) : []; // inclusive stop
- return r ? t.reverse() : t;
- };
- scale.tickFormat = function(count, specifier) {
- return specifier == null ? tickFormat : format(specifier);
- };
- scale.nice = function(interval, step) {
- var d = domain();
- return (interval = tickInterval(interval, d[0], d[d.length - 1], step))
- ? domain(nice(d, interval))
- : scale;
- };
- scale.copy = function() {
- return copy(scale, calendar(year$$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 sequential(interpolator) {
- var x0 = 0,
- x1 = 1,
- k10 = 1,
- clamp = false;
- function scale(x) {
- var t = (x - x0) * k10;
- return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t);
- }
- scale.domain = function(_) {
- return arguments.length ? (x0 = +_[0], x1 = +_[1], k10 = x0 === x1 ? 0 : 1 / (x1 - x0), 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 diverging(interpolator) {
- var x0 = 0,
- x1 = 0.5,
- x2 = 1,
- k10 = 1,
- k21 = 1,
- clamp = false;
- function scale(x) {
- var t = 0.5 + ((x = +x) - x1) * (x < x1 ? k10 : k21);
- return interpolator(clamp ? Math.max(0, Math.min(1, t)) : t);
- }
- scale.domain = function(_) {
- return arguments.length ? (x0 = +_[0], x1 = +_[1], x2 = +_[2], k10 = x0 === x1 ? 0 : 0.5 / (x1 - x0), k21 = x1 === x2 ? 0 : 0.5 / (x2 - x1), scale) : [x0, x1, x2];
- };
- scale.clamp = function(_) {
- return arguments.length ? (clamp = !!_, scale) : clamp;
- };
- scale.interpolator = function(_) {
- return arguments.length ? (interpolator = _, scale) : interpolator;
- };
- scale.copy = function() {
- return diverging(interpolator).domain([x0, x1, x2]).clamp(clamp);
- };
- return linearish(scale);
- }
- function colors(specifier) {
- var n = specifier.length / 6 | 0, colors = new Array(n), i = 0;
- while (i < n) colors[i] = "#" + specifier.slice(i * 6, ++i * 6);
- return colors;
- }
- var category10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf");
- var Accent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666");
- var Dark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666");
- var Paired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928");
- var Pastel1 = colors("fbb4aeb3cde3ccebc5decbe4fed9a6ffffcce5d8bdfddaecf2f2f2");
- var Pastel2 = colors("b3e2cdfdcdaccbd5e8f4cae4e6f5c9fff2aef1e2cccccccc");
- var Set1 = colors("e41a1c377eb84daf4a984ea3ff7f00ffff33a65628f781bf999999");
- var Set2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3");
- var Set3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f");
- function ramp(scheme) {
- return rgbBasis(scheme[scheme.length - 1]);
- }
- var scheme = new Array(3).concat(
- "d8b365f5f5f55ab4ac",
- "a6611adfc27d80cdc1018571",
- "a6611adfc27df5f5f580cdc1018571",
- "8c510ad8b365f6e8c3c7eae55ab4ac01665e",
- "8c510ad8b365f6e8c3f5f5f5c7eae55ab4ac01665e",
- "8c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e",
- "8c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e",
- "5430058c510abf812ddfc27df6e8c3c7eae580cdc135978f01665e003c30",
- "5430058c510abf812ddfc27df6e8c3f5f5f5c7eae580cdc135978f01665e003c30"
- ).map(colors);
- var BrBG = ramp(scheme);
- var scheme$1 = new Array(3).concat(
- "af8dc3f7f7f77fbf7b",
- "7b3294c2a5cfa6dba0008837",
- "7b3294c2a5cff7f7f7a6dba0008837",
- "762a83af8dc3e7d4e8d9f0d37fbf7b1b7837",
- "762a83af8dc3e7d4e8f7f7f7d9f0d37fbf7b1b7837",
- "762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b7837",
- "762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b7837",
- "40004b762a839970abc2a5cfe7d4e8d9f0d3a6dba05aae611b783700441b",
- "40004b762a839970abc2a5cfe7d4e8f7f7f7d9f0d3a6dba05aae611b783700441b"
- ).map(colors);
- var PRGn = ramp(scheme$1);
- var scheme$2 = new Array(3).concat(
- "e9a3c9f7f7f7a1d76a",
- "d01c8bf1b6dab8e1864dac26",
- "d01c8bf1b6daf7f7f7b8e1864dac26",
- "c51b7de9a3c9fde0efe6f5d0a1d76a4d9221",
- "c51b7de9a3c9fde0eff7f7f7e6f5d0a1d76a4d9221",
- "c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221",
- "c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221",
- "8e0152c51b7dde77aef1b6dafde0efe6f5d0b8e1867fbc414d9221276419",
- "8e0152c51b7dde77aef1b6dafde0eff7f7f7e6f5d0b8e1867fbc414d9221276419"
- ).map(colors);
- var PiYG = ramp(scheme$2);
- var scheme$3 = new Array(3).concat(
- "998ec3f7f7f7f1a340",
- "5e3c99b2abd2fdb863e66101",
- "5e3c99b2abd2f7f7f7fdb863e66101",
- "542788998ec3d8daebfee0b6f1a340b35806",
- "542788998ec3d8daebf7f7f7fee0b6f1a340b35806",
- "5427888073acb2abd2d8daebfee0b6fdb863e08214b35806",
- "5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b35806",
- "2d004b5427888073acb2abd2d8daebfee0b6fdb863e08214b358067f3b08",
- "2d004b5427888073acb2abd2d8daebf7f7f7fee0b6fdb863e08214b358067f3b08"
- ).map(colors);
- var PuOr = ramp(scheme$3);
- var scheme$4 = new Array(3).concat(
- "ef8a62f7f7f767a9cf",
- "ca0020f4a58292c5de0571b0",
- "ca0020f4a582f7f7f792c5de0571b0",
- "b2182bef8a62fddbc7d1e5f067a9cf2166ac",
- "b2182bef8a62fddbc7f7f7f7d1e5f067a9cf2166ac",
- "b2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac",
- "b2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac",
- "67001fb2182bd6604df4a582fddbc7d1e5f092c5de4393c32166ac053061",
- "67001fb2182bd6604df4a582fddbc7f7f7f7d1e5f092c5de4393c32166ac053061"
- ).map(colors);
- var RdBu = ramp(scheme$4);
- var scheme$5 = new Array(3).concat(
- "ef8a62ffffff999999",
- "ca0020f4a582bababa404040",
- "ca0020f4a582ffffffbababa404040",
- "b2182bef8a62fddbc7e0e0e09999994d4d4d",
- "b2182bef8a62fddbc7ffffffe0e0e09999994d4d4d",
- "b2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d",
- "b2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d",
- "67001fb2182bd6604df4a582fddbc7e0e0e0bababa8787874d4d4d1a1a1a",
- "67001fb2182bd6604df4a582fddbc7ffffffe0e0e0bababa8787874d4d4d1a1a1a"
- ).map(colors);
- var RdGy = ramp(scheme$5);
- var scheme$6 = new Array(3).concat(
- "fc8d59ffffbf91bfdb",
- "d7191cfdae61abd9e92c7bb6",
- "d7191cfdae61ffffbfabd9e92c7bb6",
- "d73027fc8d59fee090e0f3f891bfdb4575b4",
- "d73027fc8d59fee090ffffbfe0f3f891bfdb4575b4",
- "d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4",
- "d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4",
- "a50026d73027f46d43fdae61fee090e0f3f8abd9e974add14575b4313695",
- "a50026d73027f46d43fdae61fee090ffffbfe0f3f8abd9e974add14575b4313695"
- ).map(colors);
- var RdYlBu = ramp(scheme$6);
- var scheme$7 = new Array(3).concat(
- "fc8d59ffffbf91cf60",
- "d7191cfdae61a6d96a1a9641",
- "d7191cfdae61ffffbfa6d96a1a9641",
- "d73027fc8d59fee08bd9ef8b91cf601a9850",
- "d73027fc8d59fee08bffffbfd9ef8b91cf601a9850",
- "d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850",
- "d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850",
- "a50026d73027f46d43fdae61fee08bd9ef8ba6d96a66bd631a9850006837",
- "a50026d73027f46d43fdae61fee08bffffbfd9ef8ba6d96a66bd631a9850006837"
- ).map(colors);
- var RdYlGn = ramp(scheme$7);
- var scheme$8 = new Array(3).concat(
- "fc8d59ffffbf99d594",
- "d7191cfdae61abdda42b83ba",
- "d7191cfdae61ffffbfabdda42b83ba",
- "d53e4ffc8d59fee08be6f59899d5943288bd",
- "d53e4ffc8d59fee08bffffbfe6f59899d5943288bd",
- "d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd",
- "d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd",
- "9e0142d53e4ff46d43fdae61fee08be6f598abdda466c2a53288bd5e4fa2",
- "9e0142d53e4ff46d43fdae61fee08bffffbfe6f598abdda466c2a53288bd5e4fa2"
- ).map(colors);
- var Spectral = ramp(scheme$8);
- var scheme$9 = new Array(3).concat(
- "e5f5f999d8c92ca25f",
- "edf8fbb2e2e266c2a4238b45",
- "edf8fbb2e2e266c2a42ca25f006d2c",
- "edf8fbccece699d8c966c2a42ca25f006d2c",
- "edf8fbccece699d8c966c2a441ae76238b45005824",
- "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45005824",
- "f7fcfde5f5f9ccece699d8c966c2a441ae76238b45006d2c00441b"
- ).map(colors);
- var BuGn = ramp(scheme$9);
- var scheme$a = new Array(3).concat(
- "e0ecf49ebcda8856a7",
- "edf8fbb3cde38c96c688419d",
- "edf8fbb3cde38c96c68856a7810f7c",
- "edf8fbbfd3e69ebcda8c96c68856a7810f7c",
- "edf8fbbfd3e69ebcda8c96c68c6bb188419d6e016b",
- "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d6e016b",
- "f7fcfde0ecf4bfd3e69ebcda8c96c68c6bb188419d810f7c4d004b"
- ).map(colors);
- var BuPu = ramp(scheme$a);
- var scheme$b = new Array(3).concat(
- "e0f3dba8ddb543a2ca",
- "f0f9e8bae4bc7bccc42b8cbe",
- "f0f9e8bae4bc7bccc443a2ca0868ac",
- "f0f9e8ccebc5a8ddb57bccc443a2ca0868ac",
- "f0f9e8ccebc5a8ddb57bccc44eb3d32b8cbe08589e",
- "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe08589e",
- "f7fcf0e0f3dbccebc5a8ddb57bccc44eb3d32b8cbe0868ac084081"
- ).map(colors);
- var GnBu = ramp(scheme$b);
- var scheme$c = new Array(3).concat(
- "fee8c8fdbb84e34a33",
- "fef0d9fdcc8afc8d59d7301f",
- "fef0d9fdcc8afc8d59e34a33b30000",
- "fef0d9fdd49efdbb84fc8d59e34a33b30000",
- "fef0d9fdd49efdbb84fc8d59ef6548d7301f990000",
- "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301f990000",
- "fff7ecfee8c8fdd49efdbb84fc8d59ef6548d7301fb300007f0000"
- ).map(colors);
- var OrRd = ramp(scheme$c);
- var scheme$d = new Array(3).concat(
- "ece2f0a6bddb1c9099",
- "f6eff7bdc9e167a9cf02818a",
- "f6eff7bdc9e167a9cf1c9099016c59",
- "f6eff7d0d1e6a6bddb67a9cf1c9099016c59",
- "f6eff7d0d1e6a6bddb67a9cf3690c002818a016450",
- "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016450",
- "fff7fbece2f0d0d1e6a6bddb67a9cf3690c002818a016c59014636"
- ).map(colors);
- var PuBuGn = ramp(scheme$d);
- var scheme$e = new Array(3).concat(
- "ece7f2a6bddb2b8cbe",
- "f1eef6bdc9e174a9cf0570b0",
- "f1eef6bdc9e174a9cf2b8cbe045a8d",
- "f1eef6d0d1e6a6bddb74a9cf2b8cbe045a8d",
- "f1eef6d0d1e6a6bddb74a9cf3690c00570b0034e7b",
- "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0034e7b",
- "fff7fbece7f2d0d1e6a6bddb74a9cf3690c00570b0045a8d023858"
- ).map(colors);
- var PuBu = ramp(scheme$e);
- var scheme$f = new Array(3).concat(
- "e7e1efc994c7dd1c77",
- "f1eef6d7b5d8df65b0ce1256",
- "f1eef6d7b5d8df65b0dd1c77980043",
- "f1eef6d4b9dac994c7df65b0dd1c77980043",
- "f1eef6d4b9dac994c7df65b0e7298ace125691003f",
- "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125691003f",
- "f7f4f9e7e1efd4b9dac994c7df65b0e7298ace125698004367001f"
- ).map(colors);
- var PuRd = ramp(scheme$f);
- var scheme$g = new Array(3).concat(
- "fde0ddfa9fb5c51b8a",
- "feebe2fbb4b9f768a1ae017e",
- "feebe2fbb4b9f768a1c51b8a7a0177",
- "feebe2fcc5c0fa9fb5f768a1c51b8a7a0177",
- "feebe2fcc5c0fa9fb5f768a1dd3497ae017e7a0177",
- "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a0177",
- "fff7f3fde0ddfcc5c0fa9fb5f768a1dd3497ae017e7a017749006a"
- ).map(colors);
- var RdPu = ramp(scheme$g);
- var scheme$h = new Array(3).concat(
- "edf8b17fcdbb2c7fb8",
- "ffffcca1dab441b6c4225ea8",
- "ffffcca1dab441b6c42c7fb8253494",
- "ffffccc7e9b47fcdbb41b6c42c7fb8253494",
- "ffffccc7e9b47fcdbb41b6c41d91c0225ea80c2c84",
- "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea80c2c84",
- "ffffd9edf8b1c7e9b47fcdbb41b6c41d91c0225ea8253494081d58"
- ).map(colors);
- var YlGnBu = ramp(scheme$h);
- var scheme$i = new Array(3).concat(
- "f7fcb9addd8e31a354",
- "ffffccc2e69978c679238443",
- "ffffccc2e69978c67931a354006837",
- "ffffccd9f0a3addd8e78c67931a354006837",
- "ffffccd9f0a3addd8e78c67941ab5d238443005a32",
- "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443005a32",
- "ffffe5f7fcb9d9f0a3addd8e78c67941ab5d238443006837004529"
- ).map(colors);
- var YlGn = ramp(scheme$i);
- var scheme$j = new Array(3).concat(
- "fff7bcfec44fd95f0e",
- "ffffd4fed98efe9929cc4c02",
- "ffffd4fed98efe9929d95f0e993404",
- "ffffd4fee391fec44ffe9929d95f0e993404",
- "ffffd4fee391fec44ffe9929ec7014cc4c028c2d04",
- "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c028c2d04",
- "ffffe5fff7bcfee391fec44ffe9929ec7014cc4c02993404662506"
- ).map(colors);
- var YlOrBr = ramp(scheme$j);
- var scheme$k = new Array(3).concat(
- "ffeda0feb24cf03b20",
- "ffffb2fecc5cfd8d3ce31a1c",
- "ffffb2fecc5cfd8d3cf03b20bd0026",
- "ffffb2fed976feb24cfd8d3cf03b20bd0026",
- "ffffb2fed976feb24cfd8d3cfc4e2ae31a1cb10026",
- "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cb10026",
- "ffffccffeda0fed976feb24cfd8d3cfc4e2ae31a1cbd0026800026"
- ).map(colors);
- var YlOrRd = ramp(scheme$k);
- var scheme$l = new Array(3).concat(
- "deebf79ecae13182bd",
- "eff3ffbdd7e76baed62171b5",
- "eff3ffbdd7e76baed63182bd08519c",
- "eff3ffc6dbef9ecae16baed63182bd08519c",
- "eff3ffc6dbef9ecae16baed64292c62171b5084594",
- "f7fbffdeebf7c6dbef9ecae16baed64292c62171b5084594",
- "f7fbffdeebf7c6dbef9ecae16baed64292c62171b508519c08306b"
- ).map(colors);
- var Blues = ramp(scheme$l);
- var scheme$m = new Array(3).concat(
- "e5f5e0a1d99b31a354",
- "edf8e9bae4b374c476238b45",
- "edf8e9bae4b374c47631a354006d2c",
- "edf8e9c7e9c0a1d99b74c47631a354006d2c",
- "edf8e9c7e9c0a1d99b74c47641ab5d238b45005a32",
- "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45005a32",
- "f7fcf5e5f5e0c7e9c0a1d99b74c47641ab5d238b45006d2c00441b"
- ).map(colors);
- var Greens = ramp(scheme$m);
- var scheme$n = new Array(3).concat(
- "f0f0f0bdbdbd636363",
- "f7f7f7cccccc969696525252",
- "f7f7f7cccccc969696636363252525",
- "f7f7f7d9d9d9bdbdbd969696636363252525",
- "f7f7f7d9d9d9bdbdbd969696737373525252252525",
- "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525",
- "fffffff0f0f0d9d9d9bdbdbd969696737373525252252525000000"
- ).map(colors);
- var Greys = ramp(scheme$n);
- var scheme$o = new Array(3).concat(
- "efedf5bcbddc756bb1",
- "f2f0f7cbc9e29e9ac86a51a3",
- "f2f0f7cbc9e29e9ac8756bb154278f",
- "f2f0f7dadaebbcbddc9e9ac8756bb154278f",
- "f2f0f7dadaebbcbddc9e9ac8807dba6a51a34a1486",
- "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a34a1486",
- "fcfbfdefedf5dadaebbcbddc9e9ac8807dba6a51a354278f3f007d"
- ).map(colors);
- var Purples = ramp(scheme$o);
- var scheme$p = new Array(3).concat(
- "fee0d2fc9272de2d26",
- "fee5d9fcae91fb6a4acb181d",
- "fee5d9fcae91fb6a4ade2d26a50f15",
- "fee5d9fcbba1fc9272fb6a4ade2d26a50f15",
- "fee5d9fcbba1fc9272fb6a4aef3b2ccb181d99000d",
- "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181d99000d",
- "fff5f0fee0d2fcbba1fc9272fb6a4aef3b2ccb181da50f1567000d"
- ).map(colors);
- var Reds = ramp(scheme$p);
- var scheme$q = new Array(3).concat(
- "fee6cefdae6be6550d",
- "feeddefdbe85fd8d3cd94701",
- "feeddefdbe85fd8d3ce6550da63603",
- "feeddefdd0a2fdae6bfd8d3ce6550da63603",
- "feeddefdd0a2fdae6bfd8d3cf16913d948018c2d04",
- "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d948018c2d04",
- "fff5ebfee6cefdd0a2fdae6bfd8d3cf16913d94801a636037f2704"
- ).map(colors);
- var Oranges = ramp(scheme$q);
- 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 c = cubehelix();
- function rainbow(t) {
- if (t < 0 || t > 1) t -= Math.floor(t);
- var ts = Math.abs(t - 0.5);
- c.h = 360 * t - 100;
- c.s = 1.5 - 1.5 * ts;
- c.l = 0.8 - 0.9 * ts;
- return c + "";
- }
- var c$1 = rgb(),
- pi_1_3 = Math.PI / 3,
- pi_2_3 = Math.PI * 2 / 3;
- function sinebow(t) {
- var x;
- t = (0.5 - t) * Math.PI;
- c$1.r = 255 * (x = Math.sin(t)) * x;
- c$1.g = 255 * (x = Math.sin(t + pi_1_3)) * x;
- c$1.b = 255 * (x = Math.sin(t + pi_2_3)) * x;
- return c$1 + "";
- }
- function ramp$1(range) {
- var n = range.length;
- return function(t) {
- return range[Math.max(0, Math.min(n - 1, Math.floor(t * n)))];
- };
- }
- var viridis = ramp$1(colors("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"));
- var magma = ramp$1(colors("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"));
- var inferno = ramp$1(colors("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"));
- var plasma = ramp$1(colors("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"));
- function constant$b(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$2(0, r * r * d2 - D * D)),
- cx0 = (D * dy - dx * d) / d2,
- cy0 = (-D * dx - dy * d) / d2,
- cx1 = (D * dy + dx * d) / d2,
- cy1 = (-D * dx + dy * d) / d2,
- dx0 = cx0 - x00,
- dy0 = cy0 - y00,
- dx1 = cx1 - x00,
- dy1 = cy1 - y00;
- // Pick the closer of the two intersection points.
- // TODO Is there a faster way to determine which intersection to use?
- if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
- return {
- cx: cx0,
- cy: cy0,
- x01: -ox,
- y01: -oy,
- x11: cx0 * (r1 / r - 1),
- y11: cy0 * (r1 / r - 1)
- };
- }
- function arc() {
- var innerRadius = arcInnerRadius,
- outerRadius = arcOuterRadius,
- cornerRadius = constant$b(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$2(a) * r];
- };
- arc.innerRadius = function(_) {
- return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : innerRadius;
- };
- arc.outerRadius = function(_) {
- return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : outerRadius;
- };
- arc.cornerRadius = function(_) {
- return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$b(+_), arc) : cornerRadius;
- };
- arc.padRadius = function(_) {
- return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), arc) : padRadius;
- };
- arc.startAngle = function(_) {
- return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : startAngle;
- };
- arc.endAngle = function(_) {
- return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), arc) : endAngle;
- };
- arc.padAngle = function(_) {
- return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), 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$3,
- defined = constant$b(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$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : x$$1;
- };
- line.y = function(_) {
- return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), line) : y$$1;
- };
- line.defined = function(_) {
- return arguments.length ? (defined = typeof _ === "function" ? _ : constant$b(!!_), 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$3() {
- var x0 = x$3,
- x1 = null,
- y0 = constant$b(0),
- y1 = y$3,
- defined = constant$b(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$b(+_), x1 = null, area) : x0;
- };
- area.x0 = function(_) {
- return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$b(+_), area) : x0;
- };
- area.x1 = function(_) {
- return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), area) : x1;
- };
- area.y = function(_) {
- return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), y1 = null, area) : y0;
- };
- area.y0 = function(_) {
- return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$b(+_), area) : y0;
- };
- area.y1 = function(_) {
- return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$b(+_), 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$b(!!_), 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$1,
- sort = null,
- startAngle = constant$b(0),
- endAngle = constant$b(tau$4),
- padAngle = constant$b(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$4, endAngle.apply(this, arguments) - a0)),
- a1,
- p = Math.min(Math.abs(da) / n, padAngle.apply(this, arguments)),
- pa = p * (da < 0 ? -1 : 1),
- v;
- for (i = 0; i < n; ++i) {
- if ((v = arcs[index[i] = i] = +value(data[i], i, data)) > 0) {
- sum += v;
- }
- }
- // Optionally sort the arcs by previously-computed values or by data.
- if (sortValues != null) index.sort(function(i, j) { return sortValues(arcs[i], arcs[j]); });
- else if (sort != null) index.sort(function(i, j) { return sort(data[i], data[j]); });
- // Compute the arcs! They are stored in the original data's order.
- for (i = 0, k = sum ? (da - n * pa) / sum : 0; i < n; ++i, a0 = a1) {
- j = index[i], v = arcs[j], a1 = a0 + (v > 0 ? v * k : 0) + pa, arcs[j] = {
- data: data[j],
- index: i,
- value: v,
- startAngle: a0,
- endAngle: a1,
- padAngle: p
- };
- }
- return arcs;
- }
- pie.value = function(_) {
- return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), 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$b(+_), pie) : startAngle;
- };
- pie.endAngle = function(_) {
- return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$b(+_), pie) : endAngle;
- };
- pie.padAngle = function(_) {
- return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$b(+_), 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$3().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$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : x$$1;
- };
- link.y = function(_) {
- return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$b(+_), link) : y$$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),
- 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,
- kr = Math.sin(pi$4 / 10) / Math.sin(7 * pi$4 / 10),
- kx = Math.sin(tau$4 / 10) * kr,
- 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$2 = -0.5,
- s = Math.sqrt(3) / 2,
- k = 1 / Math.sqrt(12),
- 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$2 * x0 - s * y0, s * x0 + c$2 * y0);
- context.lineTo(c$2 * x1 - s * y1, s * x1 + c$2 * y1);
- context.lineTo(c$2 * x2 - s * y2, s * x2 + c$2 * y2);
- context.lineTo(c$2 * x0 + s * y0, c$2 * y0 - s * x0);
- context.lineTo(c$2 * x1 + s * y1, c$2 * y1 - s * x1);
- context.lineTo(c$2 * x2 + s * y2, c$2 * y2 - s * x2);
- context.closePath();
- }
- };
- var symbols = [
- circle$2,
- cross$2,
- diamond,
- square,
- star,
- triangle,
- wye
- ];
- function symbol() {
- var type = constant$b(circle$2),
- size = constant$b(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$b(_), symbol) : type;
- };
- symbol.size = function(_) {
- return arguments.length ? (size = typeof _ === "function" ? _ : constant$b(+_), symbol) : size;
- };
- symbol.context = function(_) {
- return arguments.length ? (context = _ == null ? null : _, symbol) : context;
- };
- return symbol;
- }
- function noop$3() {}
- 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$3,
- areaEnd: noop$3,
- 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$3,
- areaEnd: noop$3,
- 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$3,
- areaEnd: noop$3,
- 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$3,
- areaEnd: noop$3,
- 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$2(series) {
- var n = series.length, o = new Array(n);
- while (--n >= 0) o[n] = n;
- return o;
- }
- function stackValue(d, key) {
- return d[key];
- }
- function stack() {
- var keys = constant$b([]),
- order = none$2,
- offset = none$1,
- value = stackValue;
- function stack(data) {
- var kz = keys.apply(this, arguments),
- i,
- m = data.length,
- n = kz.length,
- sz = new Array(n),
- oz;
- for (i = 0; i < n; ++i) {
- for (var ki = kz[i], si = sz[i] = new Array(m), j = 0, sij; j < m; ++j) {
- si[j] = sij = [0, +value(data[j], ki, j, data)];
- sij.data = data[j];
- }
- si.key = ki;
- }
- for (i = 0, oz = order(sz); i < n; ++i) {
- sz[oz[i]].index = i;
- }
- offset(sz, oz);
- return sz;
- }
- stack.keys = function(_) {
- return arguments.length ? (keys = typeof _ === "function" ? _ : constant$b(slice$6.call(_)), stack) : keys;
- };
- stack.value = function(_) {
- return arguments.length ? (value = typeof _ === "function" ? _ : constant$b(+_), stack) : value;
- };
- stack.order = function(_) {
- return arguments.length ? (order = _ == null ? none$2 : typeof _ === "function" ? _ : constant$b(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$1(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$3(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$3(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$2(series).reverse();
- }
- function constant$c(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$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : x$$1;
- };
- voronoi.y = function(_) {
- return arguments.length ? (y$$1 = typeof _ === "function" ? _ : constant$c(+_), voronoi) : y$$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$d(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, extent, translateExtent) {
- var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0],
- dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0],
- dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1],
- dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1];
- return transform.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$$1) {
- selection$$1
- .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) {
- var selection$$1 = collection.selection ? collection.selection() : collection;
- selection$$1.property("__zoom", defaultTransform);
- if (collection !== selection$$1) {
- schedule(collection, transform);
- } else {
- selection$$1.interrupt().each(function() {
- gesture(this, arguments)
- .start()
- .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform)
- .end();
- });
- }
- };
- zoom.scaleBy = function(selection$$1, k) {
- zoom.scaleTo(selection$$1, function() {
- var k0 = this.__zoom.k,
- k1 = typeof k === "function" ? k.apply(this, arguments) : k;
- return k0 * k1;
- });
- };
- zoom.scaleTo = function(selection$$1, k) {
- zoom.transform(selection$$1, 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$$1, x, y) {
- zoom.transform(selection$$1, 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$$1, x, y) {
- zoom.transform(selection$$1, 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, k) {
- k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k));
- return k === transform.k ? transform : new Transform(k, transform.x, transform.y);
- }
- function translate(transform, p0, p1) {
- var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k;
- return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y);
- }
- function centroid(extent) {
- return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2];
- }
- function schedule(transition$$1, transform, center) {
- transition$$1
- .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 === "function" ? transform.apply(that, args) : transform,
- 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) {
- if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]);
- if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]);
- if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]);
- this.that.__zoom = transform;
- 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$$1 = exports.event.changedTouches,
- started,
- n = touches$$1.length, i, t, p;
- nopropagation$2();
- for (i = 0; i < n; ++i) {
- t = touches$$1[i], p = touch(this, touches$$1, 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$$1 = exports.event.changedTouches,
- n = touches$$1.length, i, t, p, l;
- noevent$2();
- if (touchstarting) touchstarting = clearTimeout(touchstarting);
- for (i = 0; i < n; ++i) {
- t = touches$$1[i], p = touch(this, touches$$1, 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$$1 = exports.event.changedTouches,
- n = touches$$1.length, i, t;
- nopropagation$2();
- if (touchending) clearTimeout(touchending);
- touchending = setTimeout(function() { touchending = null; }, touchDelay);
- for (i = 0; i < n; ++i) {
- t = touches$$1[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$d(+_), zoom) : wheelDelta;
- };
- zoom.filter = function(_) {
- return arguments.length ? (filter = typeof _ === "function" ? _ : constant$d(!!_), zoom) : filter;
- };
- zoom.touchable = function(_) {
- return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$d(!!_), zoom) : touchable;
- };
- zoom.extent = function(_) {
- return arguments.length ? (extent = typeof _ === "function" ? _ : constant$d([[+_[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 = thresholdSturges;
- 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.lch = lch;
- exports.gray = gray;
- exports.cubehelix = cubehelix;
- exports.contours = contours;
- exports.contourDensity = density;
- 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.blob = blob;
- exports.buffer = buffer;
- exports.dsv = dsv$1;
- exports.csv = csv$1;
- exports.tsv = tsv$1;
- exports.image = image;
- exports.json = json;
- exports.text = text;
- exports.xml = xml;
- exports.html = html;
- exports.svg = svg;
- 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$1;
- 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$1;
- 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 = interpolateNumber;
- 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.piecewise = piecewise;
- exports.quantize = quantize;
- exports.path = path;
- exports.polygonArea = area$2;
- exports.polygonCentroid = centroid$1;
- exports.polygonHull = hull;
- exports.polygonContains = contains$2;
- exports.polygonLength = length$2;
- exports.quadtree = quadtree;
- exports.randomUniform = uniform;
- exports.randomNormal = normal;
- exports.randomLogNormal = logNormal;
- exports.randomBates = bates;
- exports.randomIrwinHall = irwinHall;
- exports.randomExponential = exponential$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.scaleSequential = sequential;
- exports.scaleDiverging = diverging;
- exports.schemeCategory10 = category10;
- exports.schemeAccent = Accent;
- exports.schemeDark2 = Dark2;
- exports.schemePaired = Paired;
- exports.schemePastel1 = Pastel1;
- exports.schemePastel2 = Pastel2;
- exports.schemeSet1 = Set1;
- exports.schemeSet2 = Set2;
- exports.schemeSet3 = Set3;
- exports.interpolateBrBG = BrBG;
- exports.schemeBrBG = scheme;
- exports.interpolatePRGn = PRGn;
- exports.schemePRGn = scheme$1;
- exports.interpolatePiYG = PiYG;
- exports.schemePiYG = scheme$2;
- exports.interpolatePuOr = PuOr;
- exports.schemePuOr = scheme$3;
- exports.interpolateRdBu = RdBu;
- exports.schemeRdBu = scheme$4;
- exports.interpolateRdGy = RdGy;
- exports.schemeRdGy = scheme$5;
- exports.interpolateRdYlBu = RdYlBu;
- exports.schemeRdYlBu = scheme$6;
- exports.interpolateRdYlGn = RdYlGn;
- exports.schemeRdYlGn = scheme$7;
- exports.interpolateSpectral = Spectral;
- exports.schemeSpectral = scheme$8;
- exports.interpolateBuGn = BuGn;
- exports.schemeBuGn = scheme$9;
- exports.interpolateBuPu = BuPu;
- exports.schemeBuPu = scheme$a;
- exports.interpolateGnBu = GnBu;
- exports.schemeGnBu = scheme$b;
- exports.interpolateOrRd = OrRd;
- exports.schemeOrRd = scheme$c;
- exports.interpolatePuBuGn = PuBuGn;
- exports.schemePuBuGn = scheme$d;
- exports.interpolatePuBu = PuBu;
- exports.schemePuBu = scheme$e;
- exports.interpolatePuRd = PuRd;
- exports.schemePuRd = scheme$f;
- exports.interpolateRdPu = RdPu;
- exports.schemeRdPu = scheme$g;
- exports.interpolateYlGnBu = YlGnBu;
- exports.schemeYlGnBu = scheme$h;
- exports.interpolateYlGn = YlGn;
- exports.schemeYlGn = scheme$i;
- exports.interpolateYlOrBr = YlOrBr;
- exports.schemeYlOrBr = scheme$j;
- exports.interpolateYlOrRd = YlOrRd;
- exports.schemeYlOrRd = scheme$k;
- exports.interpolateBlues = Blues;
- exports.schemeBlues = scheme$l;
- exports.interpolateGreens = Greens;
- exports.schemeGreens = scheme$m;
- exports.interpolateGreys = Greys;
- exports.schemeGreys = scheme$n;
- exports.interpolatePurples = Purples;
- exports.schemePurples = scheme$o;
- exports.interpolateReds = Reds;
- exports.schemeReds = scheme$p;
- exports.interpolateOranges = Oranges;
- exports.schemeOranges = scheme$q;
- exports.interpolateCubehelixDefault = cubehelix$3;
- exports.interpolateRainbow = rainbow;
- exports.interpolateWarm = warm;
- exports.interpolateCool = cool;
- exports.interpolateSinebow = sinebow;
- exports.interpolateViridis = viridis;
- exports.interpolateMagma = magma;
- exports.interpolateInferno = inferno;
- exports.interpolatePlasma = plasma;
- exports.create = create;
- exports.creator = creator;
- exports.local = local;
- 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$3;
- 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$1;
- exports.stackOffsetNone = none$1;
- exports.stackOffsetSilhouette = silhouette;
- exports.stackOffsetWiggle = wiggle;
- exports.stackOrderAscending = ascending$3;
- 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 });
- })));
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