From 0f64a5afad7949a89aa18544e5bcd5552329eb82 Mon Sep 17 00:00:00 2001 From: vcoppe Date: Tue, 21 Sep 2021 17:41:31 +0200 Subject: [PATCH 1/4] Allow to use imperial units --- src/L.Control.Heightgraph.js | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/src/L.Control.Heightgraph.js b/src/L.Control.Heightgraph.js index 8079096..2a9e5d4 100755 --- a/src/L.Control.Heightgraph.js +++ b/src/L.Control.Heightgraph.js @@ -45,6 +45,7 @@ import { bottom: 55, left: 50 }, + imperial: false, mappings: undefined, expand: true, expandControls: true, @@ -396,11 +397,14 @@ import { for (let j = 0; j < coordsLength; j++) { ptA = new L.LatLng(data[y].features[i].geometry.coordinates[j][1], data[y].features[i].geometry.coordinates[j][0]); altitude = data[y].features[i].geometry.coordinates[j][2]; + if (this.options.imperial) altitude = this._toFeet(altitude); + altitude = parseFloat(altitude.toFixed(1)); // add elevations, coordinates and point distances only once // last point in feature is first of next which is why we have to juggle with indices if (j < coordsLength - 1) { ptB = new L.LatLng(data[y].features[i].geometry.coordinates[j + 1][1], data[y].features[i].geometry.coordinates[j + 1][0]); ptDistance = ptA.distanceTo(ptB) / 1000; + if (this.options.imperial) ptDistance = this._toMiles(ptDistance); // calculate distances of specific block cumDistance += ptDistance; if (y === 0) { @@ -498,7 +502,7 @@ import { .attr("class", 'bBox'); this._mouseHeightFocusLabelTextElev.attr("x", layerPoint.x + 5) .attr("y", normalizedY + 12) - .text(height + " m") + .text(height + (this.options.imperial ? " ft" : " m")) .attr("class", "tspan mouse-height-box-text"); this._mouseHeightFocusLabelTextType.attr("x", layerPoint.x + 5) .attr("y", normalizedY + 24) @@ -703,14 +707,14 @@ import { this._xAxis = axisBottom() .scale(this._x) if (shortDist === true) { - this._xAxis.tickFormat(d => format(".2f")(d) + " km"); + this._xAxis.tickFormat(d => format(".2f")(d) + (this.options.imperial ? " mi" : " km")); } else { - this._xAxis.tickFormat(d => format(".0f")(d) + " km"); + this._xAxis.tickFormat(d => format(".0f")(d) + (this.options.imperial ? " mi" : " km")); } this._xAxis.ticks(this.options.xTicks ? Math.pow(2, this.options.xTicks) : Math.round(this._svgWidth / 75), "s"); this._yAxis = axisLeft() .scale(this._y) - .tickFormat(d => d + " m"); + .tickFormat(d => d + (this.options.imperial ? " ft" : " m")); this._yAxis.ticks(this.options.yTicks ? Math.pow(2, this.options.yTicks) : Math.round(this._svgHeight / 30), "s"); }, /** @@ -1088,9 +1092,9 @@ import { if (showMapMarker) { this._showMapMarker(ll, alt, type); } - this._distTspan.text(" " + dist.toFixed(1) + ' km'); - this._altTspan.text(" " + alt + ' m'); - this._areaTspan.text(" " + areaLength.toFixed(1) + ' km'); + this._distTspan.text(" " + dist.toFixed(1) + (this.options.imperial ? " mi" : " km")); + this._altTspan.text(" " + alt + (this.options.imperial ? " ft" : " m")); + this._areaTspan.text(" " + areaLength.toFixed(1) + (this.options.imperial ? " mi" : " km")); this._typeTspan.text(" " + type); this._focusRect.attr("width", boxWidth); this._focusLine.style("display", "block") @@ -1159,6 +1163,18 @@ import { return this._defaultTranslation[key]; console.error("Unexpected error when looking up the translation for " + key); return 'No translation found'; + }, + /* + * Converts kilometers to miles + */ + _toMiles(km) { + return km / 1.609344; + }, + /* + * Converts meters to feet + */ + _toFeet(m) { + return m * 3.280839895; } }); L.control.heightgraph = function (options) { From c426930366da3a4dc30556b6832a3095aa83ab98 Mon Sep 17 00:00:00 2001 From: vcoppe Date: Tue, 21 Sep 2021 17:44:20 +0200 Subject: [PATCH 2/4] Add new argument to documentation --- README.md | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/README.md b/README.md index 328c901..ec4647b 100755 --- a/README.md +++ b/README.md @@ -143,7 +143,7 @@ default: `height: 280` ### margins The margins define the distance between the border of the heightgraph -and the actual graph inside. You are able to specify margins for `top`, +and the actual graph inside. You are able to specify margins for `top`, `right`, `bottom` and `left` in pixels. default: @@ -182,6 +182,9 @@ expandCallback: function(expanded){ } ``` +### imperial +Allows to use imperial units instead of the metric system. + ### mappings You may add a mappings object to customize the colors and labels in the height graph. Without adding custom mappings the segments and labels within the graph will be displayed in random colors. @@ -205,7 +208,7 @@ colorMappings.Steepness = { ``` ### highlightStyle -You can customize the highlight style when using the horizontal line to +You can customize the highlight style when using the horizontal line to find parts of the route above an elevation value. Use any [Leaflet Path options](https://leafletjs.com/reference-1.5.0.html#path-option) as value of the `highlightStyle` parameter. @@ -253,13 +256,13 @@ translation: { ``` ### xTicks -Overwrite automatic tick handling for x axis and specify the tick frequency in the *x axis* of the graph. Corresponds approximately to +Overwrite automatic tick handling for x axis and specify the tick frequency in the *x axis* of the graph. Corresponds approximately to 2 to the power of `value` ticks. default: `xTicks: 3` ### yTicks -Overwrite automatic tick handling for y axis and specify the tick frequency in the *y axis* of the graph. Corresponds approximately to +Overwrite automatic tick handling for y axis and specify the tick frequency in the *y axis* of the graph. Corresponds approximately to 2 to the power of `value` ticks. default: `yTicks: 3` @@ -337,5 +340,5 @@ Debug jasmine tests with karma in WebStorm Run karma with coverage -- once you have a karma task configured just click the run with coverage button +- once you have a karma task configured just click the run with coverage button - analyse coverage in Webstorm or Browser (open ./coverage/html/index.html) From f2ae6e9bb56e960476b81e181d0a8ab2b0311664 Mon Sep 17 00:00:00 2001 From: vcoppe Date: Tue, 21 Sep 2021 17:47:14 +0200 Subject: [PATCH 3/4] Update dist folder --- dist/L.Control.Heightgraph.js | 48 ++++++++++++++++++++++--------- dist/L.Control.Heightgraph.min.js | 2 +- 2 files changed, 35 insertions(+), 15 deletions(-) diff --git a/dist/L.Control.Heightgraph.js b/dist/L.Control.Heightgraph.js index 9d4f3c1..00dcbaa 100644 --- a/dist/L.Control.Heightgraph.js +++ b/dist/L.Control.Heightgraph.js @@ -4632,6 +4632,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b bottom: 55, left: 50 }, + imperial: false, mappings: undefined, expand: true, expandControls: true, @@ -5019,12 +5020,15 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b for (var j = 0; j < coordsLength; j++) { ptA = new L.LatLng(data[y].features[i].geometry.coordinates[j][1], data[y].features[i].geometry.coordinates[j][0]); - altitude = data[y].features[i].geometry.coordinates[j][2]; // add elevations, coordinates and point distances only once + altitude = data[y].features[i].geometry.coordinates[j][2]; + if (this.options.imperial) altitude = this._toFeet(altitude); + altitude = parseFloat(altitude.toFixed(1)); // add elevations, coordinates and point distances only once // last point in feature is first of next which is why we have to juggle with indices if (j < coordsLength - 1) { ptB = new L.LatLng(data[y].features[i].geometry.coordinates[j + 1][1], data[y].features[i].geometry.coordinates[j + 1][0]); - ptDistance = ptA.distanceTo(ptB) / 1000; // calculate distances of specific block + ptDistance = ptA.distanceTo(ptB) / 1000; + if (this.options.imperial) ptDistance = this._toMiles(ptDistance); // calculate distances of specific block cumDistance += ptDistance; @@ -5121,7 +5125,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b this._mouseHeightFocusLabelRect.attr("x", layerPoint.x + 3).attr("y", normalizedY).attr("class", 'bBox'); - this._mouseHeightFocusLabelTextElev.attr("x", layerPoint.x + 5).attr("y", normalizedY + 12).text(height + " m").attr("class", "tspan mouse-height-box-text"); + this._mouseHeightFocusLabelTextElev.attr("x", layerPoint.x + 5).attr("y", normalizedY + 12).text(height + (this.options.imperial ? " ft" : " m")).attr("class", "tspan mouse-height-box-text"); this._mouseHeightFocusLabelTextType.attr("x", layerPoint.x + 5).attr("y", normalizedY + 24).text(type).attr("class", "tspan mouse-height-box-text"); @@ -5301,6 +5305,8 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b * Defines the ranges and format of x- and y- scales and appends them */ _appendScales: function _appendScales() { + var _this = this; + var shortDist = Boolean(this._totalDistance <= 10); this._x = linear$1().range([0, this._svgWidth]); this._y = linear$1().range([this._svgHeight, 0]); @@ -5313,18 +5319,18 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b if (shortDist === true) { this._xAxis.tickFormat(function (d) { - return format(".2f")(d) + " km"; + return format(".2f")(d) + (_this.options.imperial ? " mi" : " km"); }); } else { this._xAxis.tickFormat(function (d) { - return format(".0f")(d) + " km"; + return format(".0f")(d) + (_this.options.imperial ? " mi" : " km"); }); } this._xAxis.ticks(this.options.xTicks ? Math.pow(2, this.options.xTicks) : Math.round(this._svgWidth / 75), "s"); this._yAxis = axisLeft().scale(this._y).tickFormat(function (d) { - return d + " m"; + return d + (_this.options.imperial ? " ft" : " m"); }); this._yAxis.ticks(this.options.yTicks ? Math.pow(2, this.options.yTicks) : Math.round(this._svgHeight / 30), "s"); @@ -5492,7 +5498,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b * Creates and appends legend to chart */ _createLegend: function _createLegend() { - var _this = this; + var _this2 = this; var self = this; var data = []; @@ -5547,11 +5553,11 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b }).on('mouseover', function () { selectAll('.legend').style("display", "block"); }).on('mouseleave', function () { - if (!_this._showLegend) { + if (!_this2._showLegend) { selectAll('.legend').style("display", "none"); } }).on('click', function () { - _this._showLegend = !_this._showLegend; + _this2._showLegend = !_this2._showLegend; }); }, @@ -5607,7 +5613,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b * @param {int} delay - time before markers are removed in milliseconds */ mapMouseoutHandler: function mapMouseoutHandler() { - var _this2 = this; + var _this3 = this; var delay = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1000; @@ -5616,7 +5622,7 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b } this.mouseoutDelay = window.setTimeout(function () { - _this2._mouseoutHandler(); + _this3._mouseoutHandler(); }, delay); }, @@ -5709,11 +5715,11 @@ var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9b this._showMapMarker(ll, alt, type); } - this._distTspan.text(" " + dist.toFixed(1) + ' km'); + this._distTspan.text(" " + dist.toFixed(1) + (this.options.imperial ? " mi" : " km")); - this._altTspan.text(" " + alt + ' m'); + this._altTspan.text(" " + alt + (this.options.imperial ? " ft" : " m")); - this._areaTspan.text(" " + areaLength.toFixed(1) + ' km'); + this._areaTspan.text(" " + areaLength.toFixed(1) + (this.options.imperial ? 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n=this._background=vt(this._container).select("svg").select("g").append("rect").attr("width",this._svgWidth).attr("height",this._svgHeight).style("fill","none").style("stroke","none").style("pointer-events","all").on("mousemove.focusbox",this._mousemoveHandler.bind(this)).on("mouseout.focusbox",this._mouseoutHandler.bind(this));t.Browser.android?(n.on("touchstart.drag",this._dragHandler.bind(this)).on("touchstart.drag",this._dragStartHandler.bind(this)).on("touchstart.focusbox",this._mousemoveHandler.bind(this)),t.DomEvent.on(this._container,"touchend",this._dragEndHandler,this)):(n.on("mousemove.focusbox",this._mousemoveHandler.bind(this)).on("mouseout.focusbox",this._mouseoutHandler.bind(this)).on("mousedown.drag",this._dragStartHandler.bind(this)).on("mousemove.drag",this._dragHandler.bind(this)),t.DomEvent.on(this._container,"mouseup",this._dragEndHandler,this))},_appendGrid:function(){this._svg.append("g").attr("class","grid").attr("transform","translate(0,"+this._svgHeight+")").call(this._make_x_axis().tickSize(-this._svgHeight,0,0).ticks(Math.round(this._svgWidth/75)).tickFormat("")),this._svg.append("g").attr("class","grid").call(this._make_y_axis().tickSize(-this._svgWidth,0,0).ticks(Math.round(this._svgHeight/30)).tickFormat("")),this._svg.append("g").attr("transform","translate(0,"+this._svgHeight+")").attr("class","x axis").call(this._xAxis),this._svg.append("g").attr("transform","translate(-2,0)").attr("class","y axis").call(this._yAxis)},_appendAreas:function(t,n,e){var r=this._categories[n].attributes[e].color,i=this;this._area=function(){var t=ui,n=null,e=ri(0),r=li,i=ri(!0),o=null,a=si,s=null;function u(u){var l,h,c,f,p,d=u.length,g=!1,_=new Array(d),v=new Array(d);for(null==o&&(s=a(p=ei())),l=0;l<=d;++l){if(!(l=h;--c)s.point(_[c],v[c]);s.lineEnd(),s.areaEnd()}g&&(_[l]=+t(f,l,u),v[l]=+e(f,l,u),s.point(n?+n(f,l,u):_[l],r?+r(f,l,u):v[l]))}if(p)return s=null,p+""||null}function l(){return hi().defined(i).curve(a).context(o)}return u.x=function(e){return arguments.length?(t="function"==typeof e?e:ri(+e),n=null,u):t},u.x0=function(n){return arguments.length?(t="function"==typeof n?n:ri(+n),u):t},u.x1=function(t){return arguments.length?(n=null==t?null:"function"==typeof t?t:ri(+t),u):n},u.y=function(t){return arguments.length?(e="function"==typeof t?t:ri(+t),r=null,u):e},u.y0=function(t){return 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Kr().scale(this._y)},_createSelectionBox:function(){var t=this,n=vt(this._container).select("svg"),e=this._width-this._margin.right,r=this._height-this._margin.bottom+this._margin.bottom/2+6,i=[{x:e-25,y:r+3,color:"#000",type:pi,id:"leftArrowSelection",angle:0},{x:e-10,y:r,color:"#000",type:pi,id:"rightArrowSelection",angle:180}],o=n.selectAll(".select-symbol").data(i);o.remove(),o=n.selectAll(".select-symbol").data(i),t._data.length>1&&o.enter().append("path").merge(o).attr("class","select-symbol").attr("d",di().type((function(t){return t.type}))).attr("transform",(function(t){return"translate("+t.x+","+t.y+") rotate("+t.angle+")"})).attr("id",(function(t){return t.id})).style("fill",(function(t){return t.color})).on("mousedown",(function(n){"rightArrowSelection"===n.id&&s(),"leftArrowSelection"===n.id&&u(),t._gotDragged=!0,t._dragStartCoords=t._dragCache.start,t._dragCurrentCoords=t._dragCache.end}));var a=function(i){if(t._selectionText&&t._selectionText.remove(),0!==t._categories.length){var o=t._categories[i].info;"function"==typeof t.options.chooseSelectionCallback&&t.options.chooseSelectionCallback(i,o);var a=[{selection:o.text}];t._selectionText=n.selectAll("selection_text").data(a).enter().append("text").attr("x",e-35).attr("y",r+4).text((function(t){return t.selection})).attr("class","select-info").attr("id","selectionText").attr("text-anchor","end")}};a(this.options.selectedAttributeIdx);var s=function(){var n=t.options.selectedAttributeIdx+=1;n===t._categories.length&&(t.options.selectedAttributeIdx=n=0),a(n),t._removeChart(),t._removeMarkedSegmentsOnMap(),t._createChart(n)},u=function(){var n=t.options.selectedAttributeIdx-=1;-1===n&&(t.options.selectedAttributeIdx=n=t._categories.length-1),a(n),t._removeChart(),t._removeMarkedSegmentsOnMap(),t._createChart(n)}},_createLegend:function(){var t=this,n=this,e=[];if(this._categories.length>0)for(var r in this._categories[this.options.selectedAttributeIdx].legend)e.push(this._categories[this.options.selectedAttributeIdx].legend[r]);var i=this._height-this._margin.bottom,o=i+this._margin.bottom/2,a=[{text:this._getTranslation("legend")}],s=this._svg.selectAll(".hlegend-hover").data(e).enter().append("g").attr("class","legend").style("display","none").attr("transform",(function(t,n){return"translate(-8,"+(14*n-28)+")"})),u=s.append("rect").attr("class","legend-rect").attr("x",15).attr("y",36).attr("width",6).attr("height",6);0!==Object.keys(this._graphStyle).length?u.styles(this._graphStyle).style("stroke",(function(t,n){return t.color})).style("fill",(function(t,n){return t.color})):u.style("stroke","black").style("fill",(function(t,n){return t.color})),s.append("text").attr("class","legend-text").attr("x",30).attr("y",42).text((function(t,e){var r=t.text;return n._boxBoundY=(i-2*i/3+7)*e,r}));var l=this._svg.selectAll(".legend-hover").data(a).enter().append("g").attr("class","legend-hover");this._showLegend=!1,l.append("text").attr("x",15).attr("y",o).attr("text-anchor","start").text((function(t,n){return t.text})).on("mouseover",(function(){wt(".legend").style("display","block")})).on("mouseleave",(function(){t._showLegend||wt(".legend").style("display","none")})).on("click",(function(){t._showLegend=!t._showLegend}))},_dynamicBoxSize:function(t){for(var n=wt(t).nodes().length,e=[],r=0;r0&&void 0!==arguments[0]?arguments[0]:1e3;this.mouseoutDelay&&window.clearTimeout(this.mouseoutDelay),this.mouseoutDelay=window.setTimeout((function(){t._mouseoutHandler()}),n)},mapMousemoveHandler:function(t){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},e=n.showMapMarker,r=void 0===e||e;if(!1!==this._areasFlattended){var i,a=null,s=2*Math.pow(100,2),u=1.1/111111,l=o(this._areasFlattended);try{for(l.s();!(i=l.n()).done;){var h=i.value,c=t.latlng.lat-h.latlng.lat,f=t.latlng.lng-h.latlng.lng;if(Math.abs(c)1&&void 0!==arguments[1])||arguments[1],r=t.altitude,i=t.position,o=t.latlng,a=t.areaIdx,s=t.type,u=this._dynamicBoxSize(".focusbox text")[1]+10;n=0===a?this._categories[this.options.selectedAttributeIdx].distances[a]:this._categories[this.options.selectedAttributeIdx].distances[a]-this._categories[this.options.selectedAttributeIdx].distances[a-1],e&&this._showMapMarker(o,r,s),this._distTspan.text(" "+i.toFixed(1)+(this.options.imperial?" mi":" km")),this._altTspan.text(" "+r+(this.options.imperial?" ft":" m")),this._areaTspan.text(" "+n.toFixed(1)+(this.options.imperial?" mi":" km")),this._typeTspan.text(" "+s),this._focusRect.attr("width",u),this._focusLine.style("display","block").attr("x1",this._x(i)).attr("x2",this._x(i));var l=this._x(i)-(u+5),h=this._width-this._margin.left-this._margin.right;this._x(i)+uh&&this._focus.style("display","initial").attr("transform","translate("+l+","+this._y(this._elevationBounds.min)+")")},_findItemForX:function(t){var n=Xe((function(t){return t.position})).left,e=this._x.invert(t);return n(this._areasFlattended,e)},_findCoordsForY:function(t){var n=this._y.invert(t);return function(t,n){for(var e=[],r=0;r=n&&e.push(r);for(var i=[],o=0,a=0;a Date: Sat, 25 Sep 2021 09:53:31 +0200 Subject: [PATCH 4/4] round elevation juste before displaying it --- dist/L.Control.Heightgraph.js | 10062 ++++++++++++++-------------- dist/L.Control.Heightgraph.min.js | 2 +- rollup.config.js | 2 +- src/L.Control.Heightgraph.js | 6 +- 4 files changed, 5037 insertions(+), 5035 deletions(-) diff --git a/dist/L.Control.Heightgraph.js b/dist/L.Control.Heightgraph.js index 00dcbaa..75eb8e8 100644 --- a/dist/L.Control.Heightgraph.js +++ b/dist/L.Control.Heightgraph.js @@ -1,5826 +1,5828 @@ -'use strict'; +(function () { + 'use strict'; -function _typeof(obj) { - "@babel/helpers - typeof"; + function _typeof(obj) { + "@babel/helpers - typeof"; - if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { - _typeof = function (obj) { - return typeof obj; - }; - } else { - _typeof = function (obj) { - return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; - }; - } - - return _typeof(obj); -} + if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { + _typeof = function (obj) { + return typeof obj; + }; + } else { + _typeof = function (obj) { + return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }; + } -function _defineProperty(obj, key, value) { - if (key in obj) { - Object.defineProperty(obj, key, { - value: value, - enumerable: true, - configurable: true, - writable: true - }); - } else { - obj[key] = value; + return _typeof(obj); } - return obj; -} - -function ownKeys(object, enumerableOnly) { - var keys = Object.keys(object); + function _defineProperty(obj, key, value) { + if (key in obj) { + Object.defineProperty(obj, key, { + value: value, + enumerable: true, + configurable: true, + writable: true + }); + } else { + obj[key] = value; + } - if (Object.getOwnPropertySymbols) { - var symbols = Object.getOwnPropertySymbols(object); - if (enumerableOnly) symbols = symbols.filter(function (sym) { - return Object.getOwnPropertyDescriptor(object, sym).enumerable; - }); - keys.push.apply(keys, symbols); + return obj; } - return keys; -} + function ownKeys(object, enumerableOnly) { + var keys = Object.keys(object); -function _objectSpread2(target) { - for (var i = 1; i < arguments.length; i++) { - var source = arguments[i] != null ? arguments[i] : {}; - - if (i % 2) { - ownKeys(Object(source), true).forEach(function (key) { - _defineProperty(target, key, source[key]); - }); - } else if (Object.getOwnPropertyDescriptors) { - Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); - } else { - ownKeys(Object(source)).forEach(function (key) { - Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); + if (Object.getOwnPropertySymbols) { + var symbols = Object.getOwnPropertySymbols(object); + if (enumerableOnly) symbols = symbols.filter(function (sym) { + return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); + keys.push.apply(keys, symbols); } + + return keys; } - return target; -} + function _objectSpread2(target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i] != null ? arguments[i] : {}; -function _unsupportedIterableToArray(o, minLen) { - if (!o) return; - if (typeof o === "string") return _arrayLikeToArray(o, minLen); - var n = Object.prototype.toString.call(o).slice(8, -1); - if (n === "Object" && o.constructor) n = o.constructor.name; - if (n === "Map" || n === "Set") return Array.from(o); - if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); -} + if (i % 2) { + ownKeys(Object(source), true).forEach(function (key) { + _defineProperty(target, key, source[key]); + }); + } else if (Object.getOwnPropertyDescriptors) { + Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); + } else { + ownKeys(Object(source)).forEach(function (key) { + Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); + }); + } + } -function _arrayLikeToArray(arr, len) { - if (len == null || len > arr.length) len = arr.length; + return target; + } - for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); + } - return arr2; -} + function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; -function _createForOfIteratorHelper(o, allowArrayLike) { - var it; + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; - if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { - if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { - if (it) o = it; - var i = 0; + return arr2; + } - var F = function () {}; + function _createForOfIteratorHelper(o, allowArrayLike) { + var it; + + if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { + if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { + if (it) o = it; + var i = 0; + + var F = function () {}; + + return { + s: F, + n: function () { + if (i >= o.length) return { + done: true + }; + return { + done: false, + value: o[i++] + }; + }, + e: function (e) { + throw e; + }, + f: F + }; + } - return { - s: F, - n: function () { - if (i >= o.length) return { - done: true - }; - return { - done: false, - value: o[i++] - }; - }, - e: function (e) { - throw e; - }, - f: F - }; + throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } - throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + var normalCompletion = true, + didErr = false, + err; + return { + s: function () { + it = o[Symbol.iterator](); + }, + n: function () { + var step = it.next(); + normalCompletion = step.done; + return step; + }, + e: function (e) { + didErr = true; + err = e; + }, + f: function () { + try { + if (!normalCompletion && it.return != null) it.return(); + } finally { + if (didErr) throw err; + } + } + }; } - var normalCompletion = true, - didErr = false, - err; - return { - s: function () { - it = o[Symbol.iterator](); - }, - n: function () { - var step = it.next(); - normalCompletion = step.done; - return step; - }, - e: function (e) { - didErr = true; - err = e; - }, - f: function () { - try { - if (!normalCompletion && it.return != null) it.return(); - } finally { - if (didErr) throw err; - } - } - }; -} - -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); - }; -} + var xhtml = "http://www.w3.org/1999/xhtml"; -function creatorFixed(fullname) { - return function() { - return this.ownerDocument.createElementNS(fullname.space, fullname.local); + 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 creator(name) { - var fullname = namespace(name); - return (fullname.local - ? creatorFixed - : creatorInherit)(fullname); -} + 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 none() {} + 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 selector(selector) { - return selector == null ? none : function() { - return this.querySelector(selector); - }; -} + 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 selection_select(select) { - if (typeof select !== "function") select = selector(select); + function selector(selector) { + return selector == null ? none : function() { + return this.querySelector(selector); + }; + } - 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; + 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); -} + return new Selection(subgroups, this._parents); + } -function empty() { - return []; -} + function empty() { + return []; + } -function selectorAll(selector) { - return selector == null ? empty : function() { - return this.querySelectorAll(selector); - }; -} + function selectorAll(selector) { + return selector == null ? empty : function() { + return this.querySelectorAll(selector); + }; + } -function selection_selectAll(select) { - if (typeof select !== "function") select = selectorAll(select); + 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); + 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); -} + return new Selection(subgroups, parents); + } -function matcher(selector) { - return function() { - return this.matches(selector); - }; -} + function matcher(selector) { + return function() { + return this.matches(selector); + }; + } -function selection_filter(match) { - if (typeof match !== "function") match = matcher(match); + function selection_filter(match) { + if (typeof match !== "function") match = matcher(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); + 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); } - return new Selection(subgroups, this._parents); -} + function selection_enter() { + return new Selection(this._enter || this._groups.map(sparse), this._parents); + } -function sparse(update) { - return new Array(update.length); -} + function EnterNode(parent, datum) { + this.ownerDocument = parent.ownerDocument; + this.namespaceURI = parent.namespaceURI; + this._next = null; + this._parent = parent; + this.__data__ = datum; + } -function selection_enter() { - return new Selection(this._enter || this._groups.map(sparse), this._parents); -} + 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 EnterNode(parent, datum) { - this.ownerDocument = parent.ownerDocument; - this.namespaceURI = parent.namespaceURI; - this._next = null; - this._parent = parent; - this.__data__ = datum; -} + function constant(x) { + return function() { + return x; + }; + } -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); } -}; + var keyPrefix = "$"; // Protect against keys like “__proto__”. -function constant(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]); + 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; + // 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; + + 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 { - nodeByKeyValue[keyValue] = node; + enter[i] = new EnterNode(parent, data[i]); } } - } - // 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; + } } } - // 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(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_data(value, key) { - if (!value) { - data = new Array(this.size()), j = -1; - this.each(function(d) { data[++j] = d; }); - return data; + function selection_exit() { + return new Selection(this._exit || this._groups.map(sparse), this._parents); } - var bind = key ? bindKey : bindIndex, - parents = this._parents, - groups = this._groups; + function selection_join(onenter, onupdate, onexit) { + var enter = this.enter(), update = this, exit = this.exit(); + enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); + if (onupdate != null) update = onupdate(update); + if (onexit == null) exit.remove(); else onexit(exit); + return enter && update ? enter.merge(update).order() : update; + } - if (typeof value !== "function") value = constant(value); + function selection_merge(selection) { - 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; + for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + 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; + } } } - } - 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); -} + for (; j < m0; ++j) { + merges[j] = groups0[j]; + } -function selection_join(onenter, onupdate, onexit) { - var enter = this.enter(), update = this, exit = this.exit(); - enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + ""); - if (onupdate != null) update = onupdate(update); - if (onexit == null) exit.remove(); else onexit(exit); - return enter && update ? enter.merge(update).order() : update; -} + return new Selection(merges, this._parents); + } -function selection_merge(selection) { + function selection_order() { - for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - 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 (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 && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next); + next = node; + } } } - } - for (; j < m0; ++j) { - merges[j] = groups0[j]; + return this; } - return new Selection(merges, this._parents); -} + function selection_sort(compare) { + if (!compare) compare = ascending; -function selection_order() { + function compareNode(a, b) { + return a && b ? compare(a.__data__, b.__data__) : !a - !b; + } - 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 && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next); - next = node; + 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 this; -} - -function selection_sort(compare) { - if (!compare) compare = ascending; + return new Selection(sortgroups, this._parents).order(); + } - function compareNode(a, b) { - return a && b ? compare(a.__data__, b.__data__) : !a - !b; + function ascending(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; } - 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); + function selection_call() { + var callback = arguments[0]; + arguments[0] = this; + callback.apply(null, arguments); + return this; } - return new Selection(sortgroups, this._parents).order(); -} + function selection_nodes() { + var nodes = new Array(this.size()), i = -1; + this.each(function() { nodes[++i] = this; }); + return nodes; + } -function ascending(a, b) { - return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; -} + function selection_node() { -function selection_call() { - var callback = arguments[0]; - arguments[0] = this; - callback.apply(null, arguments); - return this; -} + 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; + } + } -function selection_nodes() { - var nodes = new Array(this.size()), i = -1; - this.each(function() { nodes[++i] = this; }); - return nodes; -} + return null; + } -function selection_node() { + function selection_size() { + var size = 0; + this.each(function() { ++size; }); + return size; + } - 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; - } + function selection_empty() { + return !this.node(); } - return null; -} + function selection_each(callback) { -function selection_size() { - var size = 0; - this.each(function() { ++size; }); - return size; -} + 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); + } + } -function selection_empty() { - return !this.node(); -} + return this; + } -function selection_each(callback) { + function attrRemove(name) { + return function() { + this.removeAttribute(name); + }; + } - 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); - } + function attrRemoveNS(fullname) { + return function() { + this.removeAttributeNS(fullname.space, fullname.local); + }; } - return this; -} + function attrConstant(name, value) { + return function() { + this.setAttribute(name, value); + }; + } -function attrRemove(name) { - return function() { - this.removeAttribute(name); - }; -} + function attrConstantNS(fullname, value) { + return function() { + this.setAttributeNS(fullname.space, fullname.local, value); + }; + } -function attrRemoveNS(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; -} + function attrFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) this.removeAttribute(name); + else this.setAttribute(name, v); + }; + } -function attrConstant(name, value) { - return function() { - this.setAttribute(name, value); - }; -} + 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 attrConstantNS(fullname, value) { - return function() { - this.setAttributeNS(fullname.space, fullname.local, value); - }; -} + function selection_attr(name, value) { + var fullname = namespace(name); -function attrFunction(name, value) { - return function() { - var v = value.apply(this, arguments); - if (v == null) this.removeAttribute(name); - else this.setAttribute(name, v); - }; -} + if (arguments.length < 2) { + var node = this.node(); + return fullname.local + ? node.getAttributeNS(fullname.space, fullname.local) + : node.getAttribute(fullname); + } -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); - }; -} + return this.each((value == null + ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" + ? (fullname.local ? attrFunctionNS : attrFunction) + : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); + } -function selection_attr(name, value) { - var fullname = namespace(name); + 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 + } - if (arguments.length < 2) { - var node = this.node(); - return fullname.local - ? node.getAttributeNS(fullname.space, fullname.local) - : node.getAttribute(fullname); + function styleRemove(name) { + return function() { + this.style.removeProperty(name); + }; } - return this.each((value == null - ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function" - ? (fullname.local ? attrFunctionNS : attrFunction) - : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value)); -} + function styleConstant(name, value, priority) { + return function() { + this.style.setProperty(name, value, priority); + }; + } -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 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 styleRemove(name) { - return function() { - this.style.removeProperty(name); - }; -} + 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 styleConstant(name, value, priority) { - return function() { - this.style.setProperty(name, value, priority); - }; -} + function styleValue(node, name) { + return node.style.getPropertyValue(name) + || defaultView(node).getComputedStyle(node, null).getPropertyValue(name); + } -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 propertyRemove(name) { + return function() { + delete this[name]; + }; + } -function propertyConstant(name, value) { - return function() { - this[name] = value; - }; -} + 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 propertyFunction(name, value) { + return function() { + var v = value.apply(this, arguments); + if (v == null) delete this[name]; + else this[name] = v; + }; } -}; -function classedAdd(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.add(names[i]); -} + 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 classedRemove(node, names) { - var list = classList(node), i = -1, n = names.length; - while (++i < n) list.remove(names[i]); -} + function classArray(string) { + return string.trim().split(/^|\s+/); + } -function classedTrue(names) { - return function() { - classedAdd(this, names); - }; -} + function classList(node) { + return node.classList || new ClassList(node); + } -function classedFalse(names) { - return function() { - classedRemove(this, names); - }; -} + function ClassList(node) { + this._node = node; + this._names = classArray(node.getAttribute("class") || ""); + } -function classedFunction(names, value) { - return function() { - (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + 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 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; + function classedAdd(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.add(names[i]); } - return this.each((typeof value === "function" - ? classedFunction : value - ? classedTrue - : classedFalse)(names, value)); -} - -function textRemove() { - this.textContent = ""; -} + function classedRemove(node, names) { + var list = classList(node), i = -1, n = names.length; + while (++i < n) list.remove(names[i]); + } -function textConstant(value) { - return function() { - this.textContent = value; - }; -} + function classedTrue(names) { + return function() { + classedAdd(this, names); + }; + } -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 classedFalse(names) { + return function() { + classedRemove(this, names); + }; + } -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 classedFunction(names, value) { + return function() { + (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names); + }; + } -function constantNull() { - return null; -} + function selection_classed(name, value) { + var names = classArray(name + ""); -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() { - var clone = this.cloneNode(false), parent = this.parentNode; - return parent ? parent.insertBefore(clone, this.nextSibling) : clone; -} - -function selection_cloneDeep() { - var clone = this.cloneNode(true), parent = this.parentNode; - return parent ? parent.insertBefore(clone, this.nextSibling) : clone; -} - -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 = {}; - -var event$1 = null; - -if (typeof document !== "undefined") { - var element = document.documentElement; - if (!("onmouseenter" in element)) { - 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); + 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; } - }; -} -function contextListener(listener, index, group) { - return function(event1) { - var event0 = event$1; // Events can be reentrant (e.g., focus). - event$1 = event1; - try { - listener.call(this, this.__data__, index, group); - } finally { - event$1 = event0; - } - }; -} + return this.each((typeof value === "function" + ? classedFunction : value + ? classedTrue + : classedFalse)(names, value)); + } -function parseTypenames(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 textRemove() { + this.textContent = ""; + } -function selection_on(typename, value, capture) { - var typenames = parseTypenames(typename + ""), i, n = typenames.length, t; + function textConstant(value) { + return function() { + this.textContent = value; + }; + } - 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; + function textFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.textContent = v == null ? "" : v; + }; } - 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 selection_text(value) { + return arguments.length + ? this.each(value == null + ? textRemove : (typeof value === "function" + ? textFunction + : textConstant)(value)) + : this.node().textContent; + } -function customEvent(event1, listener, that, args) { - var event0 = event$1; - event1.sourceEvent = event$1; - event$1 = event1; - try { - return listener.apply(that, args); - } finally { - event$1 = event0; + function htmlRemove() { + this.innerHTML = ""; } -} -function dispatchEvent(node, type, params) { - var window = defaultView(node), - event = window.CustomEvent; + function htmlConstant(value) { + return function() { + this.innerHTML = value; + }; + } - 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); + function htmlFunction(value) { + return function() { + var v = value.apply(this, arguments); + this.innerHTML = v == null ? "" : v; + }; } - node.dispatchEvent(event); -} + function selection_html(value) { + return arguments.length + ? this.each(value == null + ? htmlRemove : (typeof value === "function" + ? htmlFunction + : htmlConstant)(value)) + : this.node().innerHTML; + } -function dispatchConstant(type, params) { - return function() { - return dispatchEvent(this, type, params); - }; -} + function raise() { + if (this.nextSibling) this.parentNode.appendChild(this); + } -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, - join: selection_join, - 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 sourceEvent() { - var current = event$1, 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); - } + function selection_raise() { + return this.each(raise); } - return null; -} - -var noop = {value: function() {}}; - -function dispatch() { - for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { - if (!(t = arguments[i] + "") || (t in _) || /[\s.]/.test(t)) throw new Error("illegal type: " + t); - _[t] = []; + function lower() { + if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild); } - return new Dispatch(_); -} - -function Dispatch(_) { - this._ = _; -} - -function parseTypenames$1(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$1(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; - } + function selection_lower() { + return this.each(lower); + } - // 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); - } + function selection_append(name) { + var create = typeof name === "function" ? name : creator(name); + return this.select(function() { + return this.appendChild(create.apply(this, arguments)); + }); + } - 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 constantNull() { + return null; } -} -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; - } + 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); + }); } - if (callback != null) type.push({name: name, value: callback}); - return type; -} - -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 remove() { + var parent = this.parentNode; + if (parent) parent.removeChild(this); } -}; - -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 selection_remove() { + return this.each(remove); } -} -function poke() { - var now = clock.now(), delay = now - clockLast; - if (delay > pokeDelay) clockSkew -= delay, clockLast = now; -} + function selection_cloneShallow() { + var clone = this.cloneNode(false), parent = this.parentNode; + return parent ? parent.insertBefore(clone, this.nextSibling) : clone; + } -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; - } + function selection_cloneDeep() { + var clone = this.cloneNode(true), parent = this.parentNode; + return parent ? parent.insertBefore(clone, this.nextSibling) : clone; } - 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; -} - -var emptyOn = dispatch("start", "end", "cancel", "interrupt"); -var emptyTween = []; - -var CREATED = 0; -var SCHEDULED = 1; -var STARTING = 2; -var STARTED = 3; -var RUNNING = 4; -var ENDING = 5; -var ENDED = 6; - -function schedule(node, name, id, index, group, timing) { - var schedules = node.__transition; - if (!schedules) node.__transition = {}; - else if (id in schedules) return; - create(node, id, { - name: name, - index: index, // For context during callback. - group: group, // For context during callback. - on: emptyOn, - tween: emptyTween, - time: timing.time, - delay: timing.delay, - duration: timing.duration, - ease: timing.ease, - timer: null, - state: CREATED - }); -} -function init(node, id) { - var schedule = get$1(node, id); - if (schedule.state > CREATED) throw new Error("too late; already scheduled"); - return schedule; -} + function selection_clone(deep) { + return this.select(deep ? selection_cloneDeep : selection_cloneShallow); + } -function set$1(node, id) { - var schedule = get$1(node, id); - if (schedule.state > STARTED) throw new Error("too late; already running"); - return schedule; -} + function selection_datum(value) { + return arguments.length + ? this.property("__data__", value) + : this.node().__data__; + } -function get$1(node, id) { - var schedule = node.__transition; - if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); - return schedule; -} + var filterEvents = {}; -function create(node, id, self) { - var schedules = node.__transition, - tween; + var event$1 = null; - // 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); + if (typeof document !== "undefined") { + var element = document.documentElement; + if (!("onmouseenter" in element)) { + filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"}; + } + } - function schedule(elapsed) { - self.state = SCHEDULED; - self.timer.restart(start, self.delay, self.time); + 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); + } + }; + } - // If the elapsed delay is less than our first sleep, start immediately. - if (self.delay <= elapsed) start(elapsed - self.delay); + function contextListener(listener, index, group) { + return function(event1) { + var event0 = event$1; // Events can be reentrant (e.g., focus). + event$1 = event1; + try { + listener.call(this, this.__data__, index, group); + } finally { + event$1 = event0; + } + }; } - function start(elapsed) { - var i, j, n, o; + function parseTypenames(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}; + }); + } - // If the state is not SCHEDULED, then we previously errored on start. - if (self.state !== SCHEDULED) return stop(); + 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; + }; + } - 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. - if (o.state === RUNNING) { - o.state = ENDED; - o.timer.stop(); - o.on.call("interrupt", node, node.__data__, o.index, o.group); - delete schedules[i]; + 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); + }; + } - // Cancel any pre-empted transitions. - else if (+i < id) { - o.state = ENDED; - o.timer.stop(); - o.on.call("cancel", node, node.__data__, o.index, o.group); - delete schedules[i]; + function selection_on(typename, value, capture) { + var typenames = parseTypenames(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; } - // 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); - } - }); + on = value ? onAdd : onRemove; + if (capture == null) capture = false; + for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture)); + return this; + } - // 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; - } + function customEvent(event1, listener, that, args) { + var event0 = event$1; + event1.sourceEvent = event$1; + event$1 = event1; + try { + return listener.apply(that, args); + } finally { + event$1 = event0; } - 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; + function dispatchEvent(node, type, params) { + var window = defaultView(node), + event = window.CustomEvent; - while (++i < n) { - tween[i].call(node, t); + 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); } - // Dispatch the end event. - if (self.state === ENDING) { - self.on.call("end", node, node.__data__, self.index, self.group); - stop(); - } + node.dispatchEvent(event); } - 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 dispatchConstant(type, params) { + return function() { + return dispatchEvent(this, type, params); + }; } -} - -function interrupt(node, name) { - var schedules = node.__transition, - schedule, - active, - empty = true, - i; - - if (!schedules) return; - name = name == null ? null : name + ""; + function dispatchFunction(type, params) { + return function() { + return dispatchEvent(this, type, params.apply(this, arguments)); + }; + } - for (i in schedules) { - if ((schedule = schedules[i]).name !== name) { empty = false; continue; } - active = schedule.state > STARTING && schedule.state < ENDING; - schedule.state = ENDED; - schedule.timer.stop(); - schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group); - delete schedules[i]; + function selection_dispatch(type, params) { + return this.each((typeof params === "function" + ? dispatchFunction + : dispatchConstant)(type, params)); } - if (empty) delete node.__transition; -} + var root = [null]; -function selection_interrupt(name) { - return this.each(function() { - interrupt(this, name); - }); -} - -function define$1(constructor, factory, prototype) { - constructor.prototype = factory.prototype = prototype; - prototype.constructor = constructor; -} - -function extend(parent, definition) { - var prototype = Object.create(parent.prototype); - for (var key in definition) prototype[key] = definition[key]; - return prototype; -} - -function Color() {} - -var darker = 0.7; -var brighter = 1 / darker; - -var reI = "\\s*([+-]?\\d+)\\s*", - reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", - reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", - reHex = /^#([0-9a-f]{3,8})$/, - 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$1(Color, color, { - copy: function(channels) { - return Object.assign(new this.constructor, this, channels); - }, - displayable: function() { - return this.rgb().displayable(); - }, - hex: color_formatHex, // Deprecated! Use color.formatHex. - formatHex: color_formatHex, - formatHsl: color_formatHsl, - formatRgb: color_formatRgb, - toString: color_formatRgb -}); - -function color_formatHex() { - return this.rgb().formatHex(); -} - -function color_formatHsl() { - return hslConvert(this).formatHsl(); -} - -function color_formatRgb() { - return this.rgb().formatRgb(); -} - -function color(format) { - var m, l; - format = (format + "").trim().toLowerCase(); - return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000 - : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00 - : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000 - : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000 - : null) // invalid hex - : (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]) // eslint-disable-line no-prototype-builtins - : 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$1(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 (-0.5 <= this.r && this.r < 255.5) - && (-0.5 <= this.g && this.g < 255.5) - && (-0.5 <= this.b && this.b < 255.5) - && (0 <= this.opacity && this.opacity <= 1); - }, - hex: rgb_formatHex, // Deprecated! Use color.formatHex. - formatHex: rgb_formatHex, - formatRgb: rgb_formatRgb, - toString: rgb_formatRgb -})); - -function rgb_formatHex() { - return "#" + hex(this.r) + hex(this.g) + hex(this.b); -} - -function rgb_formatRgb() { - 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$1(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); - }, - formatHsl: function() { - var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); - return (a === 1 ? "hsl(" : "hsla(") - + (this.h || 0) + ", " - + (this.s || 0) * 100 + "%, " - + (this.l || 0) * 100 + "%" - + (a === 1 ? ")" : ", " + a + ")"); + function Selection(groups, parents) { + this._groups = groups; + this._parents = parents; } -})); - -/* 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; -} -function constant$1(x) { - return function() { - return x; - }; -} + function selection() { + return new Selection([[document.documentElement]], root); + } -function linear(a, d) { - return function(t) { - return a + t * d; - }; -} + Selection.prototype = selection.prototype = { + constructor: Selection, + select: selection_select, + selectAll: selection_selectAll, + filter: selection_filter, + data: selection_data, + enter: selection_enter, + exit: selection_exit, + join: selection_join, + 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 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 sourceEvent() { + var current = event$1, source; + while (source = current.sourceEvent) current = source; + return current; + } -function gamma(y) { - return (y = +y) === 1 ? nogamma : function(a, b) { - return b - a ? exponential(a, b, y) : constant$1(isNaN(a) ? b : a); - }; -} + function point(node, event) { + var svg = node.ownerSVGElement || node; -function nogamma(a, b) { - var d = b - a; - return d ? linear(a, d) : constant$1(isNaN(a) ? b : a); -} + 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 interpolateRgb = (function rgbGamma(y) { - var color = gamma(y); + var rect = node.getBoundingClientRect(); + return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop]; + } - function rgb$1(start, end) { - var r = color((start = rgb(start)).r, (end = rgb(end)).r), - g = color(start.g, end.g), - b = color(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 + ""; - }; + function mouse(node) { + var event = sourceEvent(); + if (event.changedTouches) event = event.changedTouches[0]; + return point(node, event); } - rgb$1.gamma = rgbGamma; + function selectAll(selector) { + return typeof selector === "string" + ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) + : new Selection([selector == null ? [] : selector], root); + } - return rgb$1; -})(1); + function touch(node, touches, identifier) { + if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches; -function numberArray(a, b) { - if (!b) b = []; - var n = a ? Math.min(b.length, a.length) : 0, - c = b.slice(), - i; - return function(t) { - for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t; - return c; - }; -} + for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) { + if ((touch = touches[i]).identifier === identifier) { + return point(node, touch); + } + } -function isNumberArray(x) { - return ArrayBuffer.isView(x) && !(x instanceof DataView); -} + return null; + } -function genericArray(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; + var noop = {value: function() {}}; - for (i = 0; i < na; ++i) x[i] = interpolateValue(a[i], b[i]); - for (; i < nb; ++i) c[i] = b[i]; + function dispatch() { + for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) { + if (!(t = arguments[i] + "") || (t in _) || /[\s.]/.test(t)) throw new Error("illegal type: " + t); + _[t] = []; + } + return new Dispatch(_); + } - return function(t) { - for (i = 0; i < na; ++i) c[i] = x[i](t); - return c; - }; -} + function Dispatch(_) { + this._ = _; + } -function date(a, b) { - var d = new Date; - return a = +a, b = +b, function(t) { - return d.setTime(a * (1 - t) + b * t), d; - }; -} + function parseTypenames$1(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}; + }); + } -function interpolateNumber(a, b) { - return a = +a, b = +b, function(t) { - return a * (1 - t) + b * t; - }; -} + Dispatch.prototype = dispatch.prototype = { + constructor: Dispatch, + on: function(typename, callback) { + var _ = this._, + T = parseTypenames$1(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; + } -function object(a, b) { - var i = {}, - c = {}, - k; + // 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); + } - if (a === null || typeof a !== "object") a = {}; - if (b === null || typeof b !== "object") b = {}; + 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); + } + }; - for (k in b) { - if (k in a) { - i[k] = interpolateValue(a[k], b[k]); - } else { - c[k] = b[k]; + function get(type, name) { + for (var i = 0, n = type.length, c; i < n; ++i) { + if ((c = type[i]).name === name) { + return c.value; + } } } - 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 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; + } -function zero(b) { - return function() { - return b; - }; -} + 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 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; + function clearNow() { + clockNow = 0; } - // 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; + function Timer() { + this._call = + this._time = + this._next = null; } - // 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$1(b) - : (t === "number" ? interpolateNumber - : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) - : b instanceof color ? interpolateRgb - : b instanceof Date ? date - : isNumberArray(b) ? numberArray - : Array.isArray(b) ? genericArray - : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object - : interpolateNumber)(a, b); -} - -function interpolateRound(a, b) { - return a = +a, b = +b, function(t) { - return Math.round(a * (1 - t) + b * t); - }; -} - -var degrees = 180 / Math.PI; - -var identity = { - 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; - 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; - if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); - svgNode.setAttribute("transform", value); - if (!(value = svgNode.transform.baseVal.consolidate())) return identity; - 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); + 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 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 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 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 wake() { + clockNow = (clockLast = clock.now()) + clockSkew; + frame = timeout = 0; + try { + timerFlush(); + } finally { + frame = 0; + nap(); + clockNow = 0; } } - 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 + ")"); - } + function poke() { + var now = clock.now(), delay = now - clockLast; + if (delay > pokeDelay) clockSkew -= delay, clockLast = now; } - 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, ", ", ")", ")"); - -function tweenRemove(id, name) { - var tween0, tween1; - return function() { - var schedule = set$1(this, id), - tween = schedule.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; - } + 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); + } - schedule.tween = tween1; - }; -} - -function tweenFunction(id, name, value) { - var tween0, tween1; - if (typeof value !== "function") throw new Error; - return function() { - var schedule = set$1(this, id), - tween = schedule.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); + 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); } + } - schedule.tween = tween1; - }; -} - -function transition_tween(name, value) { - var id = this._id; - - name += ""; + 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; + } - 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; + var emptyOn = dispatch("start", "end", "cancel", "interrupt"); + var emptyTween = []; + + var CREATED = 0; + var SCHEDULED = 1; + var STARTING = 2; + var STARTED = 3; + var RUNNING = 4; + var ENDING = 5; + var ENDED = 6; + + function schedule(node, name, id, index, group, timing) { + var schedules = node.__transition; + if (!schedules) node.__transition = {}; + else if (id in schedules) return; + create(node, id, { + name: name, + index: index, // For context during callback. + group: group, // For context during callback. + on: emptyOn, + tween: emptyTween, + time: timing.time, + delay: timing.delay, + duration: timing.duration, + ease: timing.ease, + timer: null, + state: CREATED + }); } - return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value)); -} + function init(node, id) { + var schedule = get$1(node, id); + if (schedule.state > CREATED) throw new Error("too late; already scheduled"); + return schedule; + } -function tweenValue(transition, name, value) { - var id = transition._id; + function set$1(node, id) { + var schedule = get$1(node, id); + if (schedule.state > STARTED) throw new Error("too late; already running"); + return schedule; + } - transition.each(function() { - var schedule = set$1(this, id); - (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments); - }); + function get$1(node, id) { + var schedule = node.__transition; + if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found"); + return schedule; + } - 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 create(node, id, self) { + var schedules = node.__transition, + tween; -function attrRemoveNS$1(fullname) { - return function() { - this.removeAttributeNS(fullname.space, fullname.local); - }; -} - -function attrConstant$1(name, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = this.getAttribute(name); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); - }; -} - -function attrConstantNS$1(fullname, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = this.getAttributeNS(fullname.space, fullname.local); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); - }; -} - -function attrFunction$1(name, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0, value1 = value(this), string1; - if (value1 == null) return void this.removeAttribute(name); - string0 = this.getAttribute(name); - string1 = value1 + ""; - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); - }; -} - -function attrFunctionNS$1(fullname, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0, value1 = value(this), string1; - if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); - string0 = this.getAttributeNS(fullname.space, fullname.local); - string1 = value1 + ""; - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, 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 attrInterpolate(name, i) { - return function(t) { - this.setAttribute(name, i.call(this, t)); - }; -} + // 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 attrInterpolateNS(fullname, i) { - return function(t) { - this.setAttributeNS(fullname.space, fullname.local, i.call(this, t)); - }; -} - -function attrTweenNS(fullname, value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i); - return t0; - } - tween._value = value; - return tween; -} - -function attrTween(name, value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i); - return t0; - } - 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 schedule(elapsed) { + self.state = SCHEDULED; + self.timer.restart(start, self.delay, self.time); -function delayConstant(id, value) { - return value = +value, function() { - init(this, id).delay = value; - }; -} + // If the elapsed delay is less than our first sleep, start immediately. + if (self.delay <= elapsed) start(elapsed - self.delay); + } -function transition_delay(value) { - var id = this._id; + function start(elapsed) { + var i, j, n, o; - return arguments.length - ? this.each((typeof value === "function" - ? delayFunction - : delayConstant)(id, value)) - : get$1(this.node(), id).delay; -} + // If the state is not SCHEDULED, then we previously errored on start. + if (self.state !== SCHEDULED) return stop(); -function durationFunction(id, value) { - return function() { - set$1(this, id).duration = +value.apply(this, arguments); - }; -} + for (i in schedules) { + o = schedules[i]; + if (o.name !== self.name) continue; -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; - }; -} + // 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); -function transition_ease(value) { - var id = this._id; + // Interrupt the active transition, if any. + if (o.state === RUNNING) { + o.state = ENDED; + o.timer.stop(); + o.on.call("interrupt", node, node.__data__, o.index, o.group); + delete schedules[i]; + } - return arguments.length - ? this.each(easeConstant(id, value)) - : get$1(this.node(), id).ease; -} + // Cancel any pre-empted transitions. + else if (+i < id) { + o.state = ENDED; + o.timer.stop(); + o.on.call("cancel", node, node.__data__, o.index, o.group); + delete schedules[i]; + } + } -function transition_filter(match) { - if (typeof match !== "function") match = matcher(match); + // 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); + } + }); - 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); + // 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; } - } - return new Transition(subgroups, this._parents, this._name, this._id); -} + 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; -function transition_merge(transition) { - if (transition._id !== this._id) throw new Error; + while (++i < n) { + tween[i].call(node, t); + } - for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { - 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; + // Dispatch the end event. + if (self.state === ENDING) { + self.on.call("end", node, node.__data__, self.index, self.group); + stop(); } } - } - for (; j < m0; ++j) { - merges[j] = groups0[j]; + 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; + } } - return new Transition(merges, this._parents, this._name, this._id); -} + function interrupt(node, name) { + var schedules = node.__transition, + schedule, + active, + empty = true, + i; -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 = sit(this, id), - on = schedule.on; + if (!schedules) return; - // 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.on = on1; - }; -} + name = name == null ? null : name + ""; -function transition_on(name, listener) { - var id = this._id; + for (i in schedules) { + if ((schedule = schedules[i]).name !== name) { empty = false; continue; } + active = schedule.state > STARTING && schedule.state < ENDING; + schedule.state = ENDED; + schedule.timer.stop(); + schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group); + delete schedules[i]; + } - return arguments.length < 2 - ? get$1(this.node(), id).on.on(name) - : this.each(onFunction(id, name, listener)); -} + if (empty) delete node.__transition; + } -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 selection_interrupt(name) { + return this.each(function() { + interrupt(this, name); + }); + } -function transition_remove() { - return this.on("end.remove", removeFunction(this._id)); -} + function define$1(constructor, factory, prototype) { + constructor.prototype = factory.prototype = prototype; + prototype.constructor = constructor; + } -function transition_select(select) { - var name = this._name, - id = this._id; + function extend(parent, definition) { + var prototype = Object.create(parent.prototype); + for (var key in definition) prototype[key] = definition[key]; + return prototype; + } - if (typeof select !== "function") select = selector(select); + function Color() {} + + var darker = 0.7; + var brighter = 1 / darker; + + var reI = "\\s*([+-]?\\d+)\\s*", + reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*", + reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*", + reHex = /^#([0-9a-f]{3,8})$/, + 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$1(Color, color, { + copy: function(channels) { + return Object.assign(new this.constructor, this, channels); + }, + displayable: function() { + return this.rgb().displayable(); + }, + hex: color_formatHex, // Deprecated! Use color.formatHex. + formatHex: color_formatHex, + formatHsl: color_formatHsl, + formatRgb: color_formatRgb, + toString: color_formatRgb + }); - for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { - if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { - if ("__data__" in node) subnode.__data__ = node.__data__; - subgroup[i] = subnode; - schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); - } - } + function color_formatHex() { + return this.rgb().formatHex(); } - return new Transition(subgroups, this._parents, name, id); -} + function color_formatHsl() { + return hslConvert(this).formatHsl(); + } -function transition_selectAll(select) { - var name = this._name, - id = this._id; + function color_formatRgb() { + return this.rgb().formatRgb(); + } - if (typeof select !== "function") select = selectorAll(select); + function color(format) { + var m, l; + format = (format + "").trim().toLowerCase(); + return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000 + : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00 + : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000 + : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000 + : null) // invalid hex + : (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]) // eslint-disable-line no-prototype-builtins + : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0) + : null; + } - for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { - for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { - if (node = group[i]) { - for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { - if (child = children[k]) { - schedule(child, name, id, k, children, inherit); - } - } - subgroups.push(children); - parents.push(node); - } - } + function rgbn(n) { + return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1); } - return new Transition(subgroups, parents, name, id); -} + function rgba(r, g, b, a) { + if (a <= 0) r = g = b = NaN; + return new Rgb(r, g, b, a); + } -var Selection$1 = selection.prototype.constructor; + 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 transition_selection() { - return new Selection$1(this._groups, this._parents); -} + function rgb(r, g, b, opacity) { + return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity); + } -function styleNull(name, interpolate) { - var string00, - string10, - interpolate0; - return function() { - var string0 = styleValue(this, name), - string1 = (this.style.removeProperty(name), styleValue(this, name)); - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, string10 = string1); - }; -} + function Rgb(r, g, b, opacity) { + this.r = +r; + this.g = +g; + this.b = +b; + this.opacity = +opacity; + } -function styleRemove$1(name) { - return function() { - this.style.removeProperty(name); - }; -} - -function styleConstant$1(name, interpolate, value1) { - var string00, - string1 = value1 + "", - interpolate0; - return function() { - var string0 = styleValue(this, name); - return string0 === string1 ? null - : string0 === string00 ? interpolate0 - : interpolate0 = interpolate(string00 = string0, value1); - }; -} - -function styleFunction$1(name, interpolate, value) { - var string00, - string10, - interpolate0; - return function() { - var string0 = styleValue(this, name), - value1 = value(this), - string1 = value1 + ""; - if (value1 == null) string1 = value1 = (this.style.removeProperty(name), styleValue(this, name)); - return string0 === string1 ? null - : string0 === string00 && string1 === string10 ? interpolate0 - : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); - }; -} + define$1(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 (-0.5 <= this.r && this.r < 255.5) + && (-0.5 <= this.g && this.g < 255.5) + && (-0.5 <= this.b && this.b < 255.5) + && (0 <= this.opacity && this.opacity <= 1); + }, + hex: rgb_formatHex, // Deprecated! Use color.formatHex. + formatHex: rgb_formatHex, + formatRgb: rgb_formatRgb, + toString: rgb_formatRgb + })); + + function rgb_formatHex() { + return "#" + hex(this.r) + hex(this.g) + hex(this.b); + } -function styleMaybeRemove(id, name) { - var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; - return function() { - var schedule = set$1(this, id), - on = schedule.on, - listener = schedule.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; + function rgb_formatRgb() { + 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 + ")"); + } - // 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 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); + function hex(value) { + value = Math.max(0, Math.min(255, Math.round(value) || 0)); + return (value < 16 ? "0" : "") + value.toString(16); + } - schedule.on = on1; - }; -} - -function transition_style(name, value, priority) { - var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; - return value == null ? this - .styleTween(name, styleNull(name, i)) - .on("end.style." + name, styleRemove$1(name)) - : typeof value === "function" ? this - .styleTween(name, styleFunction$1(name, i, tweenValue(this, "style." + name, value))) - .each(styleMaybeRemove(this._id, name)) - : this - .styleTween(name, styleConstant$1(name, i, value), priority) - .on("end.style." + name, null); -} - -function styleInterpolate(name, i, priority) { - return function(t) { - this.style.setProperty(name, i.call(this, t), priority); - }; -} + 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 styleTween(name, value, priority) { - var t, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority); - return t; + 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); } - 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 hsl(h, s, l, opacity) { + return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity); + } -function transition_text(value) { - return this.tween("text", typeof value === "function" - ? textFunction$1(tweenValue(this, "text", value)) - : textConstant$1(value == null ? "" : value + "")); -} + function Hsl(h, s, l, opacity) { + this.h = +h; + this.s = +s; + this.l = +l; + this.opacity = +opacity; + } -function textInterpolate(i) { - return function(t) { - this.textContent = i.call(this, t); - }; -} - -function textTween(value) { - var t0, i0; - function tween() { - var i = value.apply(this, arguments); - if (i !== i0) t0 = (i0 = i) && textInterpolate(i); - return t0; - } - tween._value = value; - return tween; -} - -function transition_textTween(value) { - var key = "text"; - if (arguments.length < 1) 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, textTween(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 - }); - } + define$1(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); + }, + formatHsl: function() { + var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a)); + return (a === 1 ? "hsl(" : "hsla(") + + (this.h || 0) + ", " + + (this.s || 0) * 100 + "%, " + + (this.l || 0) * 100 + "%" + + (a === 1 ? ")" : ", " + a + ")"); } + })); + + /* 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; } - return new Transition(groups, this._parents, name, id1); -} + function constant$1(x) { + return function() { + return x; + }; + } -function transition_end() { - var on0, on1, that = this, id = that._id, size = that.size(); - return new Promise(function(resolve, reject) { - var cancel = {value: reject}, - end = {value: function() { if (--size === 0) resolve(); }}; + 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 gamma(y) { + return (y = +y) === 1 ? nogamma : function(a, b) { + return b - a ? exponential(a, b, y) : constant$1(isNaN(a) ? b : a); + }; + } + + function nogamma(a, b) { + var d = b - a; + return d ? linear(a, d) : constant$1(isNaN(a) ? b : a); + } + + var interpolateRgb = (function rgbGamma(y) { + var color = gamma(y); + + function rgb$1(start, end) { + var r = color((start = rgb(start)).r, (end = rgb(end)).r), + g = color(start.g, end.g), + b = color(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 numberArray(a, b) { + if (!b) b = []; + var n = a ? Math.min(b.length, a.length) : 0, + c = b.slice(), + i; + return function(t) { + for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t; + return c; + }; + } + + function isNumberArray(x) { + return ArrayBuffer.isView(x) && !(x instanceof DataView); + } + + function genericArray(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 = +b, function(t) { + return d.setTime(a * (1 - t) + b * t), d; + }; + } + + function interpolateNumber(a, b) { + return a = +a, b = +b, function(t) { + return a * (1 - t) + 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$1(b) + : (t === "number" ? interpolateNumber + : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString) + : b instanceof color ? interpolateRgb + : b instanceof Date ? date + : isNumberArray(b) ? numberArray + : Array.isArray(b) ? genericArray + : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object + : interpolateNumber)(a, b); + } + + function interpolateRound(a, b) { + return a = +a, b = +b, function(t) { + return Math.round(a * (1 - t) + b * t); + }; + } + + var degrees = 180 / Math.PI; + + var identity = { + 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; + 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; + if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g"); + svgNode.setAttribute("transform", value); + if (!(value = svgNode.transform.baseVal.consolidate())) return identity; + 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, ", ", ")", ")"); + + function tweenRemove(id, name) { + var tween0, tween1; + return function() { + var schedule = set$1(this, id), + tween = schedule.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.tween = tween1; + }; + } + + function tweenFunction(id, name, value) { + var tween0, tween1; + if (typeof value !== "function") throw new Error; + return function() { + var schedule = set$1(this, id), + tween = schedule.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.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 = set$1(this, id); + (schedule.value || (schedule.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, value1) { + var string00, + string1 = value1 + "", + interpolate0; + return function() { + var string0 = this.getAttribute(name); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate(string00 = string0, value1); + }; + } + + function attrConstantNS$1(fullname, interpolate, value1) { + var string00, + string1 = value1 + "", + interpolate0; + return function() { + var string0 = this.getAttributeNS(fullname.space, fullname.local); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate(string00 = string0, value1); + }; + } + + function attrFunction$1(name, interpolate, value) { + var string00, + string10, + interpolate0; + return function() { + var string0, value1 = value(this), string1; + if (value1 == null) return void this.removeAttribute(name); + string0 = this.getAttribute(name); + string1 = value1 + ""; + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); + }; + } + + function attrFunctionNS$1(fullname, interpolate, value) { + var string00, + string10, + interpolate0; + return function() { + var string0, value1 = value(this), string1; + if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local); + string0 = this.getAttributeNS(fullname.space, fullname.local); + string1 = value1 + ""; + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate(string00 = string0, 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 attrInterpolate(name, i) { + return function(t) { + this.setAttribute(name, i.call(this, t)); + }; + } + + function attrInterpolateNS(fullname, i) { + return function(t) { + this.setAttributeNS(fullname.space, fullname.local, i.call(this, t)); + }; + } + + function attrTweenNS(fullname, value) { + var t0, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i); + return t0; + } + tween._value = value; + return tween; + } + + function attrTween(name, value) { + var t0, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i); + return t0; + } + 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(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) { + if (transition._id !== this._id) throw new Error; + + for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) { + 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 = sit(this, id), + on = schedule.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.on = on1; + }; + } + + function transition_on(name, listener) { + var id = this._id; + + return arguments.length < 2 + ? get$1(this.node(), id).on.on(name) + : this.each(onFunction(id, name, listener)); + } + + function removeFunction(id) { + return function() { + var parent = this.parentNode; + for (var i in this.__transition) if (+i !== id) return; + if (parent) parent.removeChild(this); + }; + } + + function transition_remove() { + return this.on("end.remove", removeFunction(this._id)); + } + + function transition_select(select) { + var name = this._name, + id = this._id; + + if (typeof select !== "function") select = selector(select); + + for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) { + if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) { + if ("__data__" in node) subnode.__data__ = node.__data__; + subgroup[i] = subnode; + schedule(subgroup[i], name, id, i, subgroup, get$1(node, id)); + } + } + } + + return new Transition(subgroups, this._parents, name, id); + } + + function transition_selectAll(select) { + var name = this._name, + id = this._id; + + if (typeof select !== "function") select = selectorAll(select); + + for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) { + for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) { + if (node = group[i]) { + for (var children = select.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) { + if (child = children[k]) { + schedule(child, name, id, k, children, inherit); + } + } + subgroups.push(children); + parents.push(node); + } + } + } + + return new Transition(subgroups, parents, name, id); + } + + var Selection$1 = selection.prototype.constructor; + + function transition_selection() { + return new Selection$1(this._groups, this._parents); + } + + function styleNull(name, interpolate) { + var string00, + string10, + interpolate0; + return function() { + var string0 = styleValue(this, name), + string1 = (this.style.removeProperty(name), styleValue(this, name)); + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : interpolate0 = interpolate(string00 = string0, string10 = string1); + }; + } + + function styleRemove$1(name) { + return function() { + this.style.removeProperty(name); + }; + } + + function styleConstant$1(name, interpolate, value1) { + var string00, + string1 = value1 + "", + interpolate0; + return function() { + var string0 = styleValue(this, name); + return string0 === string1 ? null + : string0 === string00 ? interpolate0 + : interpolate0 = interpolate(string00 = string0, value1); + }; + } + + function styleFunction$1(name, interpolate, value) { + var string00, + string10, + interpolate0; + return function() { + var string0 = styleValue(this, name), + value1 = value(this), + string1 = value1 + ""; + if (value1 == null) string1 = value1 = (this.style.removeProperty(name), styleValue(this, name)); + return string0 === string1 ? null + : string0 === string00 && string1 === string10 ? interpolate0 + : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1)); + }; + } + + function styleMaybeRemove(id, name) { + var on0, on1, listener0, key = "style." + name, event = "end." + key, remove; + return function() { + var schedule = set$1(this, id), + on = schedule.on, + listener = schedule.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined; + + // 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 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener); + + schedule.on = on1; + }; + } + + function transition_style(name, value, priority) { + var i = (name += "") === "transform" ? interpolateTransformCss : interpolate; + return value == null ? this + .styleTween(name, styleNull(name, i)) + .on("end.style." + name, styleRemove$1(name)) + : typeof value === "function" ? this + .styleTween(name, styleFunction$1(name, i, tweenValue(this, "style." + name, value))) + .each(styleMaybeRemove(this._id, name)) + : this + .styleTween(name, styleConstant$1(name, i, value), priority) + .on("end.style." + name, null); + } + + function styleInterpolate(name, i, priority) { + return function(t) { + this.style.setProperty(name, i.call(this, t), priority); + }; + } + + function styleTween(name, value, priority) { + var t, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority); + return t; + } + 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 textInterpolate(i) { + return function(t) { + this.textContent = i.call(this, t); + }; + } + + function textTween(value) { + var t0, i0; + function tween() { + var i = value.apply(this, arguments); + if (i !== i0) t0 = (i0 = i) && textInterpolate(i); + return t0; + } + tween._value = value; + return tween; + } + + function transition_textTween(value) { + var key = "text"; + if (arguments.length < 1) 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, textTween(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); + } + + function transition_end() { + var on0, on1, that = this, id = that._id, size = that.size(); + return new Promise(function(resolve, reject) { + var cancel = {value: reject}, + end = {value: function() { if (--size === 0) resolve(); }}; + + that.each(function() { + var schedule = set$1(this, id), + on = schedule.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(); + on1._.cancel.push(cancel); + on1._.interrupt.push(cancel); + on1._.end.push(end); + } + + schedule.on = on1; + }); + }); + } + + 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, + textTween: transition_textTween, + remove: transition_remove, + tween: transition_tween, + delay: transition_delay, + duration: transition_duration, + ease: transition_ease, + end: transition_end + }; + + function cubicInOut(t) { + return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; + } + + 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; + + function attrsFunction(selection, map) { + return selection.each(function() { + var x = map.apply(this, arguments), s = select(this); + for (var name in x) s.attr(name, x[name]); + }); + } + + function attrsObject(selection, map) { + for (var name in map) selection.attr(name, map[name]); + return selection; + } + + function selection_attrs(map) { + return (typeof map === "function" ? attrsFunction : attrsObject)(this, map); + } + + function stylesFunction(selection, map, priority) { + return selection.each(function() { + var x = map.apply(this, arguments), s = select(this); + for (var name in x) s.style(name, x[name], priority); + }); + } + + function stylesObject(selection, map, priority) { + for (var name in map) selection.style(name, map[name], priority); + return selection; + } + + function selection_styles(map, priority) { + return (typeof map === "function" ? stylesFunction : stylesObject)(this, map, priority == null ? "" : priority); + } - that.each(function() { - var schedule = set$1(this, id), - on = schedule.on; + function propertiesFunction(selection, map) { + return selection.each(function() { + var x = map.apply(this, arguments), s = select(this); + for (var name in x) s.property(name, x[name]); + }); + } - // 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(); - on1._.cancel.push(cancel); - on1._.interrupt.push(cancel); - on1._.end.push(end); - } + function propertiesObject(selection, map) { + for (var name in map) selection.property(name, map[name]); + return selection; + } - schedule.on = on1; + function selection_properties(map) { + return (typeof map === "function" ? propertiesFunction : propertiesObject)(this, map); + } + + function attrsFunction$1(transition, map) { + return transition.each(function() { + var x = map.apply(this, arguments), t = select(this).transition(transition); + for (var name in x) t.attr(name, x[name]); }); - }); -} - -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, - textTween: transition_textTween, - remove: transition_remove, - tween: transition_tween, - delay: transition_delay, - duration: transition_duration, - ease: transition_ease, - end: transition_end -}; - -function cubicInOut(t) { - return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2; -} - -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; + function attrsObject$1(transition, map) { + for (var name in map) transition.attr(name, map[name]); + return transition; + } - if (name instanceof Transition) { - id = name._id, name = name._name; - } else { - id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + ""; + function transition_attrs(map) { + return (typeof map === "function" ? attrsFunction$1 : attrsObject$1)(this, map); } - 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)); - } - } + function stylesFunction$1(transition, map, priority) { + return transition.each(function() { + var x = map.apply(this, arguments), t = select(this).transition(transition); + for (var name in x) t.style(name, x[name], priority); + }); } - return new Transition(groups, this._parents, name, id); -} + function stylesObject$1(transition, map, priority) { + for (var name in map) transition.style(name, map[name], priority); + return transition; + } -selection.prototype.interrupt = selection_interrupt; -selection.prototype.transition = selection_transition; + function transition_styles(map, priority) { + return (typeof map === "function" ? stylesFunction$1 : stylesObject$1)(this, map, priority == null ? "" : priority); + } -function attrsFunction(selection, map) { - return selection.each(function() { - var x = map.apply(this, arguments), s = select(this); - for (var name in x) s.attr(name, x[name]); - }); -} + selection.prototype.attrs = selection_attrs; + selection.prototype.styles = selection_styles; + selection.prototype.properties = selection_properties; + transition.prototype.attrs = transition_attrs; + transition.prototype.styles = transition_styles; -function attrsObject(selection, map) { - for (var name in map) selection.attr(name, map[name]); - return selection; -} + function ascending$1(a, b) { + return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; + } -function selection_attrs(map) { - return (typeof map === "function" ? attrsFunction : attrsObject)(this, map); -} + 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 stylesFunction(selection, map, priority) { - return selection.each(function() { - var x = map.apply(this, arguments), s = select(this); - for (var name in x) s.style(name, x[name], priority); - }); -} + function ascendingComparator(f) { + return function(d, x) { + return ascending$1(f(d), x); + }; + } -function stylesObject(selection, map, priority) { - for (var name in map) selection.style(name, map[name], priority); - return selection; -} + var ascendingBisect = bisector(ascending$1); + var bisectRight = ascendingBisect.right; -function selection_styles(map, priority) { - return (typeof map === "function" ? stylesFunction : stylesObject)(this, map, priority == null ? "" : priority); -} + var e10 = Math.sqrt(50), + e5 = Math.sqrt(10), + e2 = Math.sqrt(2); -function propertiesFunction(selection, map) { - return selection.each(function() { - var x = map.apply(this, arguments), s = select(this); - for (var name in x) s.property(name, x[name]); - }); -} + function ticks(start, stop, count) { + var reverse, + i = -1, + n, + ticks, + step; -function propertiesObject(selection, map) { - for (var name in map) selection.property(name, map[name]); - return selection; -} + 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 []; -function selection_properties(map) { - return (typeof map === "function" ? propertiesFunction : propertiesObject)(this, map); -} + 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; + } -function attrsFunction$1(transition, map) { - return transition.each(function() { - var x = map.apply(this, arguments), t = select(this).transition(transition); - for (var name in x) t.attr(name, x[name]); - }); -} + if (reverse) ticks.reverse(); -function attrsObject$1(transition, map) { - for (var name in map) transition.attr(name, map[name]); - return transition; -} + return ticks; + } -function transition_attrs(map) { - return (typeof map === "function" ? attrsFunction$1 : attrsObject$1)(this, map); -} + 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 stylesFunction$1(transition, map, priority) { - return transition.each(function() { - var x = map.apply(this, arguments), t = select(this).transition(transition); - for (var name in x) t.style(name, x[name], priority); - }); -} - -function stylesObject$1(transition, map, priority) { - for (var name in map) transition.style(name, map[name], priority); - return transition; -} - -function transition_styles(map, priority) { - return (typeof map === "function" ? stylesFunction$1 : stylesObject$1)(this, map, priority == null ? "" : priority); -} - -selection.prototype.attrs = selection_attrs; -selection.prototype.styles = selection_styles; -selection.prototype.properties = selection_properties; -transition.prototype.attrs = transition_attrs; -transition.prototype.styles = transition_styles; - -function ascending$1(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 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 ascendingComparator(f) { - return function(d, x) { - return ascending$1(f(d), x); - }; -} - -var ascendingBisect = bisector(ascending$1); -var bisectRight = ascendingBisect.right; - -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 d3Max(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; + function d3Max(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; + 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 d3Min(values, valueof) { - var n = values.length, - i = -1, - value, - min; + return max; + } - 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; + function d3Min(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; + 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; -} + return min; + } -function initRange(domain, range) { - switch (arguments.length) { - case 0: break; - case 1: this.range(domain); break; - default: this.range(range).domain(domain); break; + function initRange(domain, range) { + switch (arguments.length) { + case 0: break; + case 1: this.range(domain); break; + default: this.range(range).domain(domain); break; + } + return this; } - return this; -} -var prefix = "$"; + var prefix = "$"; -function Map() {} + function Map() {} -Map.prototype = map.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); + Map.prototype = map.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(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 map(object, f) { - var map = new Map; + function Set() {} + + var proto = map.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 + }; - // Copy constructor. - if (object instanceof Map) object.each(function(value, key) { map.set(key, value); }); + function set$2(object, f) { + var set = new Set; - // Index array by numeric index or specified key function. - else if (Array.isArray(object)) { - var i = -1, - n = object.length, - o; + // 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)); + } - if (f == null) while (++i < n) map.set(i, object[i]); - else while (++i < n) map.set(f(o = object[i], i, object), o); + return set; } - // Convert object to map. - else if (object) for (var key in object) map.set(key, object[key]); + var array = Array.prototype; - return map; -} + var map$1 = array.map; + var slice = array.slice; -function Set() {} + var implicit = {name: "implicit"}; -var proto = map.prototype; + function ordinal() { + var index = map(), + domain = [], + range = [], + unknown = implicit; -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 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(); + 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.call(_), scale) : range.slice(); + }; + + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + scale.copy = function() { + return ordinal(domain, range).unknown(unknown); + }; + + initRange.apply(scale, arguments); + + return scale; + } + + function constant$2(x) { + return function() { + return x; + }; + } -function set$2(object, f) { - var set = new Set; + function number(x) { + return +x; + } - // Copy constructor. - if (object instanceof Set) object.each(function(value) { set.add(value); }); + var unit = [0, 1]; - // 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)); + function identity$1(x) { + return x; } - return set; -} + function normalize(a, b) { + return (b -= (a = +a)) + ? function(x) { return (x - a) / b; } + : constant$2(isNaN(b) ? NaN : 0.5); + } -var array = Array.prototype; + function clamper(domain) { + var a = domain[0], b = domain[domain.length - 1], t; + if (a > b) t = a, a = b, b = t; + return function(x) { return Math.max(a, Math.min(b, x)); }; + } -var map$1 = array.map; -var slice = array.slice; + // normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. + // interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. + function bimap(domain, range, interpolate) { + var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; + if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0); + else d0 = normalize(d0, d1), r0 = interpolate(r0, r1); + return function(x) { return r0(d0(x)); }; + } -var implicit = {name: "implicit"}; + function polymap(domain, range, interpolate) { + var j = Math.min(domain.length, range.length) - 1, + d = new Array(j), + r = new Array(j), + i = -1; -function ordinal() { - var index = map(), - domain = [], - range = [], - unknown = implicit; + // Reverse descending domains. + if (domain[j] < domain[0]) { + domain = domain.slice().reverse(); + range = range.slice().reverse(); + } - function scale(d) { - var key = d + "", i = index.get(key); - if (!i) { - if (unknown !== implicit) return unknown; - index.set(key, i = domain.push(d)); + while (++i < j) { + d[i] = normalize(domain[i], domain[i + 1]); + r[i] = interpolate(range[i], range[i + 1]); } - return range[(i - 1) % range.length]; + + return function(x) { + var i = bisectRight(domain, x, 1, j) - 1; + return r[i](d[i](x)); + }; } - scale.domain = function(_) { - if (!arguments.length) return domain.slice(); - domain = [], index = map(); - var i = -1, n = _.length, d, key; - while (++i < n) if (!index.has(key = (d = _[i]) + "")) index.set(key, domain.push(d)); - return scale; - }; + function copy(source, target) { + return target + .domain(source.domain()) + .range(source.range()) + .interpolate(source.interpolate()) + .clamp(source.clamp()) + .unknown(source.unknown()); + } - scale.range = function(_) { - return arguments.length ? (range = slice.call(_), scale) : range.slice(); - }; + function transformer() { + var domain = unit, + range = unit, + interpolate = interpolateValue, + transform, + untransform, + unknown, + clamp = identity$1, + piecewise, + output, + input; + + function rescale() { + piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; + output = input = null; + return scale; + } - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; + function scale(x) { + return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); + } - scale.copy = function() { - return ordinal(domain, range).unknown(unknown); - }; + scale.invert = function(y) { + return clamp(untransform((input || (input = piecewise(range, domain.map(transform), interpolateNumber)))(y))); + }; - initRange.apply(scale, arguments); + scale.domain = function(_) { + return arguments.length ? (domain = map$1.call(_, number), clamp === identity$1 || (clamp = clamper(domain)), rescale()) : domain.slice(); + }; - return scale; -} + scale.range = function(_) { + return arguments.length ? (range = slice.call(_), rescale()) : range.slice(); + }; -function constant$2(x) { - return function() { - return x; - }; -} - -function number(x) { - return +x; -} - -var unit = [0, 1]; - -function identity$1(x) { - return x; -} - -function normalize(a, b) { - return (b -= (a = +a)) - ? function(x) { return (x - a) / b; } - : constant$2(isNaN(b) ? NaN : 0.5); -} - -function clamper(domain) { - var a = domain[0], b = domain[domain.length - 1], t; - if (a > b) t = a, a = b, b = t; - return function(x) { return Math.max(a, Math.min(b, x)); }; -} - -// normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1]. -// interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b]. -function bimap(domain, range, interpolate) { - var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1]; - if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0); - else d0 = normalize(d0, d1), r0 = interpolate(r0, r1); - return function(x) { return r0(d0(x)); }; -} - -function polymap(domain, range, interpolate) { - 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] = normalize(domain[i], domain[i + 1]); - r[i] = interpolate(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()) - .unknown(source.unknown()); -} - -function transformer() { - var domain = unit, - range = unit, - interpolate = interpolateValue, - transform, - untransform, - unknown, - clamp = identity$1, - piecewise, - output, - input; - - function rescale() { - piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap; - output = input = null; - return scale; + scale.rangeRound = function(_) { + return range = slice.call(_), interpolate = interpolateRound, rescale(); + }; + + scale.clamp = function(_) { + return arguments.length ? (clamp = _ ? clamper(domain) : identity$1, scale) : clamp !== identity$1; + }; + + scale.interpolate = function(_) { + return arguments.length ? (interpolate = _, rescale()) : interpolate; + }; + + scale.unknown = function(_) { + return arguments.length ? (unknown = _, scale) : unknown; + }; + + return function(t, u) { + transform = t, untransform = u; + return rescale(); + }; } - function scale(x) { - return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate)))(transform(clamp(x))); + function continuous(transform, untransform) { + return transformer()(transform, untransform); } - scale.invert = function(y) { - return clamp(untransform((input || (input = piecewise(range, domain.map(transform), interpolateNumber)))(y))); - }; + // 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) + ]; + } - scale.domain = function(_) { - return arguments.length ? (domain = map$1.call(_, number), clamp === identity$1 || (clamp = clamper(domain)), rescale()) : domain.slice(); - }; + function exponent(x) { + return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN; + } - scale.range = function(_) { - return arguments.length ? (range = slice.call(_), rescale()) : range.slice(); - }; + 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]; + } - scale.rangeRound = function(_) { - return range = slice.call(_), interpolate = interpolateRound, rescale(); - }; + return t.reverse().join(thousands); + }; + } - scale.clamp = function(_) { - return arguments.length ? (clamp = _ ? clamper(domain) : identity$1, scale) : clamp !== identity$1; - }; + function formatNumerals(numerals) { + return function(value) { + return value.replace(/[0-9]/g, function(i) { + return numerals[+i]; + }); + }; + } - scale.interpolate = function(_) { - return arguments.length ? (interpolate = _, rescale()) : interpolate; - }; + // [[fill]align][sign][symbol][0][width][,][.precision][~][type] + var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i; + + function formatSpecifier(specifier) { + if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); + var match; + return new FormatSpecifier({ + fill: match[1], + align: match[2], + sign: match[3], + symbol: match[4], + zero: match[5], + width: match[6], + comma: match[7], + precision: match[8] && match[8].slice(1), + trim: match[9], + type: match[10] + }); + } - scale.unknown = function(_) { - return arguments.length ? (unknown = _, scale) : unknown; - }; + formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof + + function FormatSpecifier(specifier) { + this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; + this.align = specifier.align === undefined ? ">" : specifier.align + ""; + this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; + this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; + this.zero = !!specifier.zero; + this.width = specifier.width === undefined ? undefined : +specifier.width; + this.comma = !!specifier.comma; + this.precision = specifier.precision === undefined ? undefined : +specifier.precision; + this.trim = !!specifier.trim; + this.type = specifier.type === undefined ? "" : specifier.type + ""; + } - return function(t, u) { - transform = t, untransform = u; - return rescale(); - }; -} - -function continuous(transform, untransform) { - return transformer()(transform, untransform); -} - -// 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(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]; + FormatSpecifier.prototype.toString = function() { + return this.fill + + this.align + + this.sign + + this.symbol + + (this.zero ? "0" : "") + + (this.width === undefined ? "" : Math.max(1, this.width | 0)) + + (this.comma ? "," : "") + + (this.precision === undefined ? "" : "." + 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 (!+s[i]) break out; if (i0 > 0) i0 = 0; break; + } } + return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s; + } - return t.reverse().join(thousands); - }; -} + 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 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) { - if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier); - var match; - return new FormatSpecifier({ - fill: match[1], - align: match[2], - sign: match[3], - symbol: match[4], - zero: match[5], - width: match[6], - comma: match[7], - precision: match[8] && match[8].slice(1), - trim: match[9], - type: match[10] - }); -} - -formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof - -function FormatSpecifier(specifier) { - this.fill = specifier.fill === undefined ? " " : specifier.fill + ""; - this.align = specifier.align === undefined ? ">" : specifier.align + ""; - this.sign = specifier.sign === undefined ? "-" : specifier.sign + ""; - this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + ""; - this.zero = !!specifier.zero; - this.width = specifier.width === undefined ? undefined : +specifier.width; - this.comma = !!specifier.comma; - this.precision = specifier.precision === undefined ? undefined : +specifier.precision; - this.trim = !!specifier.trim; - this.type = specifier.type === undefined ? "" : specifier.type + ""; -} - -FormatSpecifier.prototype.toString = function() { - return this.fill - + this.align - + this.sign - + this.symbol - + (this.zero ? "0" : "") - + (this.width === undefined ? "" : Math.max(1, this.width | 0)) - + (this.comma ? "," : "") - + (this.precision === undefined ? "" : "." + 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 (!+s[i]) break out; if (i0 > 0) i0 = 0; break; - } + 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$2(x) { + return x; } - 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$2(x) { - return x; -} - -var map$2 = Array.prototype.map, - prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"]; - -function formatLocale(locale) { - var group = locale.grouping === undefined || locale.thousands === undefined ? identity$2 : formatGroup(map$2.call(locale.grouping, Number), locale.thousands + ""), - currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", - currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", - decimal = locale.decimal === undefined ? "." : locale.decimal + "", - numerals = locale.numerals === undefined ? identity$2 : formatNumerals(map$2.call(locale.numerals, String)), - percent = locale.percent === undefined ? "%" : locale.percent + "", - minus = locale.minus === undefined ? "-" : locale.minus + "", - nan = locale.nan === undefined ? "NaN" : locale.nan + ""; - - function newFormat(specifier) { - specifier = formatSpecifier(specifier); - - var fill = specifier.fill, - align = specifier.align, - sign = specifier.sign, - symbol = specifier.symbol, - zero = specifier.zero, - width = specifier.width, - comma = specifier.comma, - precision = specifier.precision, - trim = specifier.trim, - type = specifier.type; - - // The "n" type is an alias for ",g". - if (type === "n") comma = true, type = "g"; - - // The "" type, and any invalid type, is an alias for ".12~g". - else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; - - // If zero fill is specified, padding goes after sign and before digits. - if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; - - // Compute the prefix and suffix. - // For SI-prefix, the suffix is lazily computed. - var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", - suffix = symbol === "$" ? currencySuffix : /[%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 === undefined ? 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; - // Determine the sign. -0 is not less than 0, but 1 / -0 is! - var valueNegative = value < 0 || 1 / value < 0; + var map$2 = Array.prototype.map, + prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"]; + + function formatLocale(locale) { + var group = locale.grouping === undefined || locale.thousands === undefined ? identity$2 : formatGroup(map$2.call(locale.grouping, Number), locale.thousands + ""), + currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "", + currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "", + decimal = locale.decimal === undefined ? "." : locale.decimal + "", + numerals = locale.numerals === undefined ? identity$2 : formatNumerals(map$2.call(locale.numerals, String)), + percent = locale.percent === undefined ? "%" : locale.percent + "", + minus = locale.minus === undefined ? "-" : locale.minus + "", + nan = locale.nan === undefined ? "NaN" : locale.nan + ""; + + function newFormat(specifier) { + specifier = formatSpecifier(specifier); + + var fill = specifier.fill, + align = specifier.align, + sign = specifier.sign, + symbol = specifier.symbol, + zero = specifier.zero, + width = specifier.width, + comma = specifier.comma, + precision = specifier.precision, + trim = specifier.trim, + type = specifier.type; + + // The "n" type is an alias for ",g". + if (type === "n") comma = true, type = "g"; + + // The "" type, and any invalid type, is an alias for ".12~g". + else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g"; + + // If zero fill is specified, padding goes after sign and before digits. + if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "="; + + // Compute the prefix and suffix. + // For SI-prefix, the suffix is lazily computed. + var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "", + suffix = symbol === "$" ? currencySuffix : /[%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 === undefined ? 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. - value = isNaN(value) ? nan : formatType(Math.abs(value), precision); + // Determine the sign. -0 is not less than 0, but 1 / -0 is! + var valueNegative = value < 0 || 1 / value < 0; - // Trim insignificant zeros. - if (trim) value = formatTrim(value); + // Perform the initial formatting. + value = isNaN(value) ? nan : formatType(Math.abs(value), precision); - // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. - if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; + // Trim insignificant zeros. + if (trim) value = formatTrim(value); - // Compute the prefix and suffix. - valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : ""); + // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. + if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; - // 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; + // Compute the prefix and suffix. + valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : 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(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; + var format; + var formatPrefix; + + defaultLocale({ + decimal: ".", + thousands: ",", + grouping: [3], + currency: ["$", ""], + minus: "-" + }); + + function defaultLocale(definition) { + locale = formatLocale(definition); + format = locale.format; + formatPrefix = locale.formatPrefix; + return locale; + } + + function precisionFixed(step) { + return Math.max(0, -exponent(Math.abs(step))); + } + + function precisionPrefix(step, value) { + return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step))); + } + + function precisionRound(step, max) { + step = Math.abs(step), max = Math.abs(max) - step; + return Math.max(0, exponent(max) - exponent(step)) + 1; + } + + function tickFormat(start, stop, count, specifier) { + var step = tickStep(start, stop, 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 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 format(specifier); + } + + function linearish(scale) { + var domain = scale.domain; - // If the fill character is not "0", grouping is applied before padding. - if (comma && !zero) value = group(value, Infinity); + scale.ticks = function(count) { + var d = domain(); + return ticks(d[0], d[d.length - 1], count == null ? 10 : count); + }; + + scale.tickFormat = function(count, specifier) { + var d = domain(); + return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier); + }; + + scale.nice = function(count) { + if (count == null) count = 10; - // Compute the padding. - var length = valuePrefix.length + value.length + valueSuffix.length, - padding = length < width ? new Array(width - length + 1).join(fill) : ""; + 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 the fill character is "0", grouping is applied after padding. - if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = ""; + 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); + } - // 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; + 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 numerals(value); + return scale; + }; + + return scale; + } + + function linear$1() { + var scale = continuous(identity$1, identity$1); + + scale.copy = function() { + return copy(scale, linear$1()); + }; + + initRange.apply(scale, arguments); + + return linearish(scale); + } + + function nopropagation() { + event$1.stopImmediatePropagation(); + } + + function noevent() { + event$1.preventDefault(); + event$1.stopImmediatePropagation(); + } + + function nodrag(view) { + var root = view.document.documentElement, + selection = select(view).on("dragstart.drag", noevent, true); + if ("onselectstart" in root) { + selection.on("selectstart.drag", noevent, true); + } else { + root.__noselect = root.style.MozUserSelect; + root.style.MozUserSelect = "none"; + } + } + + function yesdrag(view, noclick) { + var root = view.document.documentElement, + selection = select(view).on("dragstart.drag", null); + if (noclick) { + selection.on("click.drag", noevent, true); + setTimeout(function() { selection.on("click.drag", null); }, 0); } + if ("onselectstart" in root) { + selection.on("selectstart.drag", null); + } else { + root.style.MozUserSelect = root.__noselect; + delete root.__noselect; + } + } + + function constant$3(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 !event$1.ctrlKey && !event$1.button; + } - format.toString = function() { - return specifier + ""; - }; + function defaultContainer() { + return this.parentNode; + } - return format; + function defaultSubject(d) { + return d == null ? {x: event$1.x, y: event$1.y} : d; } - function formatPrefix(specifier, value) { - var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), - e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3, - k = Math.pow(10, -e), - prefix = prefixes[8 + e / 3]; - return function(value) { - return f(k * value) + prefix; - }; + function defaultTouchable() { + return navigator.maxTouchPoints || ("ontouchstart" in this); } - return { - format: newFormat, - formatPrefix: formatPrefix - }; -} - -var locale; -var format; -var formatPrefix; - -defaultLocale({ - decimal: ".", - thousands: ",", - grouping: [3], - currency: ["$", ""], - minus: "-" -}); - -function defaultLocale(definition) { - locale = formatLocale(definition); - format = locale.format; - formatPrefix = locale.formatPrefix; - return locale; -} - -function precisionFixed(step) { - return Math.max(0, -exponent(Math.abs(step))); -} - -function precisionPrefix(step, value) { - return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step))); -} - -function precisionRound(step, max) { - step = Math.abs(step), max = Math.abs(max) - step; - return Math.max(0, exponent(max) - exponent(step)) + 1; -} - -function tickFormat(start, stop, count, specifier) { - var step = tickStep(start, stop, 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 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; + 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) { + selection + .on("mousedown.drag", mousedowned) + .filter(touchable) + .on("touchstart.drag", touchstarted) + .on("touchmove.drag", touchmoved) + .on("touchend.drag touchcancel.drag", touchended) + .style("touch-action", "none") + .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); } - case "f": - case "%": { - if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2; - break; + + function mousedowned() { + if (touchending || !filter.apply(this, arguments)) return; + var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); + if (!gesture) return; + select(event$1.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); + nodrag(event$1.view); + nopropagation(); + mousemoving = false; + mousedownx = event$1.clientX; + mousedowny = event$1.clientY; + gesture("start"); } - } - return format(specifier); -} -function linearish(scale) { - var domain = scale.domain; + function mousemoved() { + noevent(); + if (!mousemoving) { + var dx = event$1.clientX - mousedownx, dy = event$1.clientY - mousedowny; + mousemoving = dx * dx + dy * dy > clickDistance2; + } + gestures.mouse("drag"); + } - scale.ticks = function(count) { - var d = domain(); - return ticks(d[0], d[d.length - 1], count == null ? 10 : count); - }; + function mouseupped() { + select(event$1.view).on("mousemove.drag mouseup.drag", null); + yesdrag(event$1.view, mousemoving); + noevent(); + gestures.mouse("end"); + } - scale.tickFormat = function(count, specifier) { - var d = domain(); - return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier); - }; + function touchstarted() { + if (!filter.apply(this, arguments)) return; + var touches = event$1.changedTouches, + c = container.apply(this, arguments), + n = touches.length, i, gesture; - scale.nice = function(count) { - if (count == null) count = 10; + for (i = 0; i < n; ++i) { + if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { + nopropagation(); + gesture("start"); + } + } + } - var d = domain(), - i0 = 0, - i1 = d.length - 1, - start = d[i0], - stop = d[i1], - step; + function touchmoved() { + var touches = event$1.changedTouches, + n = touches.length, i, gesture; - if (stop < start) { - step = start, start = stop, stop = step; - step = i0, i0 = i1, i1 = step; + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches[i].identifier]) { + noevent(); + gesture("drag"); + } + } } - step = tickIncrement(start, stop, count); + function touchended() { + var touches = event$1.changedTouches, + n = touches.length, i, gesture; - 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 (touchending) clearTimeout(touchending); + touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! + for (i = 0; i < n; ++i) { + if (gesture = gestures[touches[i].identifier]) { + nopropagation(); + gesture("end"); + } + } } - 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); + function beforestart(id, container, point, that, args) { + var p = point(container, id), s, dx, dy, + sublisteners = listeners.copy(); + + if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { + if ((event$1.subject = s = subject.apply(that, args)) == null) return false; + dx = s.x - p[0] || 0; + dy = s.y - p[1] || 0; + return true; + })) return; + + return function gesture(type) { + var p0 = p, n; + switch (type) { + case "start": gestures[id] = gesture, n = active++; break; + case "end": delete gestures[id], --active; // nobreak + case "drag": p = point(container, id), n = active; break; + } + customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + }; } - return scale; - }; - - return scale; -} - -function linear$1() { - var scale = continuous(identity$1, identity$1); + drag.filter = function(_) { + return arguments.length ? (filter = typeof _ === "function" ? _ : constant$3(!!_), drag) : filter; + }; - scale.copy = function() { - return copy(scale, linear$1()); - }; + drag.container = function(_) { + return arguments.length ? (container = typeof _ === "function" ? _ : constant$3(_), drag) : container; + }; - initRange.apply(scale, arguments); + drag.subject = function(_) { + return arguments.length ? (subject = typeof _ === "function" ? _ : constant$3(_), drag) : subject; + }; - return linearish(scale); -} + drag.touchable = function(_) { + return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$3(!!_), drag) : touchable; + }; -function nopropagation() { - event$1.stopImmediatePropagation(); -} + drag.on = function() { + var value = listeners.on.apply(listeners, arguments); + return value === listeners ? drag : value; + }; -function noevent() { - event$1.preventDefault(); - event$1.stopImmediatePropagation(); -} + drag.clickDistance = function(_) { + return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); + }; -function nodrag(view) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", noevent, true); - if ("onselectstart" in root) { - selection.on("selectstart.drag", noevent, true); - } else { - root.__noselect = root.style.MozUserSelect; - root.style.MozUserSelect = "none"; + return drag; } -} -function yesdrag(view, noclick) { - var root = view.document.documentElement, - selection = select(view).on("dragstart.drag", null); - if (noclick) { - selection.on("click.drag", noevent, true); - setTimeout(function() { selection.on("click.drag", null); }, 0); - } - if ("onselectstart" in root) { - selection.on("selectstart.drag", null); - } else { - root.style.MozUserSelect = root.__noselect; - delete root.__noselect; - } -} + var slice$1 = Array.prototype.slice; -function constant$3(x) { - return function() { + function identity$3(x) { 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 !event$1.ctrlKey && !event$1.button; -} - -function defaultContainer() { - return this.parentNode; -} - -function defaultSubject(d) { - return d == null ? {x: event$1.x, y: event$1.y} : d; -} - -function defaultTouchable() { - return navigator.maxTouchPoints || ("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) { - selection - .on("mousedown.drag", mousedowned) - .filter(touchable) - .on("touchstart.drag", touchstarted) - .on("touchmove.drag", touchmoved) - .on("touchend.drag touchcancel.drag", touchended) - .style("touch-action", "none") - .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)"); - } - - function mousedowned() { - if (touchending || !filter.apply(this, arguments)) return; - var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments); - if (!gesture) return; - select(event$1.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true); - nodrag(event$1.view); - nopropagation(); - mousemoving = false; - mousedownx = event$1.clientX; - mousedowny = event$1.clientY; - gesture("start"); - } - - function mousemoved() { - noevent(); - if (!mousemoving) { - var dx = event$1.clientX - mousedownx, dy = event$1.clientY - mousedowny; - mousemoving = dx * dx + dy * dy > clickDistance2; - } - gestures.mouse("drag"); - } - - function mouseupped() { - select(event$1.view).on("mousemove.drag mouseup.drag", null); - yesdrag(event$1.view, mousemoving); - noevent(); - gestures.mouse("end"); } - function touchstarted() { - if (!filter.apply(this, arguments)) return; - var touches = event$1.changedTouches, - c = container.apply(this, arguments), - n = touches.length, i, gesture; + var top = 1, + right = 2, + bottom = 3, + left = 4, + epsilon = 1e-6; - for (i = 0; i < n; ++i) { - if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) { - nopropagation(); - gesture("start"); - } - } + function translateX(x) { + return "translate(" + (x + 0.5) + ",0)"; } - function touchmoved() { - var touches = event$1.changedTouches, - n = touches.length, i, gesture; - - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - noevent(); - gesture("drag"); - } - } + function translateY(y) { + return "translate(0," + (y + 0.5) + ")"; } - function touchended() { - var touches = event$1.changedTouches, - n = touches.length, i, gesture; - - if (touchending) clearTimeout(touchending); - touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed! - for (i = 0; i < n; ++i) { - if (gesture = gestures[touches[i].identifier]) { - nopropagation(); - gesture("end"); - } - } + function number$1(scale) { + return function(d) { + return +scale(d); + }; } - function beforestart(id, container, point, that, args) { - var p = point(container, id), s, dx, dy, - sublisteners = listeners.copy(); - - if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() { - if ((event$1.subject = s = subject.apply(that, args)) == null) return false; - dx = s.x - p[0] || 0; - dy = s.y - p[1] || 0; - return true; - })) return; - - return function gesture(type) { - var p0 = p, n; - switch (type) { - case "start": gestures[id] = gesture, n = active++; break; - case "end": delete gestures[id], --active; // nobreak - case "drag": p = point(container, id), n = active; break; - } - customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]); + 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; }; } - drag.filter = function(_) { - return arguments.length ? (filter = typeof _ === "function" ? _ : constant$3(!!_), drag) : filter; - }; - - drag.container = function(_) { - return arguments.length ? (container = typeof _ === "function" ? _ : constant$3(_), drag) : container; - }; + function entering() { + return !this.__axis; + } - drag.subject = function(_) { - return arguments.length ? (subject = typeof _ === "function" ? _ : constant$3(_), drag) : subject; - }; + 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$3) : 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)); }); + } - drag.touchable = function(_) { - return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$3(!!_), drag) : touchable; - }; + tickExit.remove(); - drag.on = function() { - var value = listeners.on.apply(listeners, arguments); - return value === listeners ? drag : value; - }; + path + .attr("d", orient === left || orient == right + ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter : "M0.5," + range0 + "V" + range1) + : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + ",0.5H" + range1)); - drag.clickDistance = function(_) { - return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2); - }; + tick + .attr("opacity", 1) + .attr("transform", function(d) { return transform(position(d)); }); - return drag; -} + line + .attr(x + "2", k * tickSizeInner); -var slice$1 = Array.prototype.slice; + text + .attr(x, k * spacing) + .text(format); -function identity$3(x) { - return x; -} + 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"); -var top = 1, - right = 2, - bottom = 3, - left = 4, - epsilon = 1e-6; + selection + .each(function() { this.__axis = position; }); + } -function translateX(x) { - return "translate(" + (x + 0.5) + ",0)"; -} + axis.scale = function(_) { + return arguments.length ? (scale = _, axis) : scale; + }; -function translateY(y) { - return "translate(0," + (y + 0.5) + ")"; -} + axis.ticks = function() { + return tickArguments = slice$1.call(arguments), axis; + }; -function number$1(scale) { - return function(d) { - return +scale(d); - }; -} + axis.tickArguments = function(_) { + return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice(); + }; -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$3) : 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)); }); - } + axis.tickValues = function(_) { + return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice(); + }; - tickExit.remove(); + axis.tickFormat = function(_) { + return arguments.length ? (tickFormat = _, axis) : tickFormat; + }; - path - .attr("d", orient === left || orient == right - ? (tickSizeOuter ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter : "M0.5," + range0 + "V" + range1) - : (tickSizeOuter ? "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter : "M" + range0 + ",0.5H" + range1)); + axis.tickSize = function(_) { + return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; + }; - tick - .attr("opacity", 1) - .attr("transform", function(d) { return transform(position(d)); }); + axis.tickSizeInner = function(_) { + return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; + }; - line - .attr(x + "2", k * tickSizeInner); + axis.tickSizeOuter = function(_) { + return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; + }; - text - .attr(x, k * spacing) - .text(format); + axis.tickPadding = function(_) { + return arguments.length ? (tickPadding = +_, axis) : tickPadding; + }; - 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"); + return axis; + } - selection - .each(function() { this.__axis = position; }); + function axisBottom(scale) { + return axis(bottom, scale); } - axis.scale = function(_) { - return arguments.length ? (scale = _, axis) : scale; - }; + function axisLeft(scale) { + return axis(left, scale); + } - axis.ticks = function() { - return tickArguments = slice$1.call(arguments), axis; - }; + var pi = Math.PI, + tau = 2 * pi, + epsilon$1 = 1e-6, + tauEpsilon = tau - epsilon$1; - axis.tickArguments = function(_) { - return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice(); - }; + function Path() { + this._x0 = this._y0 = // start of current subpath + this._x1 = this._y1 = null; // end of current subpath + this._ = ""; + } - axis.tickValues = function(_) { - return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice(); - }; + function path() { + return new Path; + } - axis.tickFormat = function(_) { - return arguments.length ? (tickFormat = _, axis) : tickFormat; - }; + 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); + } - axis.tickSize = function(_) { - return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner; - }; + // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. + else if (!(l01_2 > epsilon$1)); - axis.tickSizeInner = function(_) { - return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner; - }; + // 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); + } - axis.tickSizeOuter = function(_) { - return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter; - }; + // 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 - 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); + } - axis.tickPadding = function(_) { - return arguments.length ? (tickPadding = +_, axis) : tickPadding; - }; + 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, ccw = !!ccw; + 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; + } - return axis; -} - -function axisBottom(scale) { - return axis(bottom, scale); -} - -function axisLeft(scale) { - return axis(left, scale); -} - -var pi = Math.PI, - tau = 2 * pi, - epsilon$1 = 1e-6, - tauEpsilon = tau - 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 (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; + } - // Or, is (x1,y1) coincident with (x0,y0)? Do nothing. - else if (!(l01_2 > epsilon$1)); + // Is this arc empty? We’re done. + if (!r) return; - // 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); - } + // Does the angle go the wrong way? Flip the direction. + if (da < 0) da = da % tau + tau; - // 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 - 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); + // 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); } - 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, ccw = !!ccw; - 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; + // Is this arc non-empty? Draw an arc! + else if (da > epsilon$1) { + this._ += "A" + r + "," + r + ",0," + (+(da >= pi)) + "," + 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._; } + }; - // 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; - } + function constant$4(x) { + return function constant() { + return x; + }; + } - // Is this arc empty? We’re done. - if (!r) return; + var pi$1 = Math.PI; + var tau$1 = 2 * pi$1; - // Does the angle go the wrong way? Flip the direction. - if (da < 0) da = da % tau + tau; + function Linear(context) { + this._context = context; + } - // 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); + 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; + } } + }; - // Is this arc non-empty? Draw an arc! - else if (da > epsilon$1) { - this._ += "A" + r + "," + r + ",0," + (+(da >= pi)) + "," + 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 curveLinear(context) { + return new Linear(context); } -}; -function constant$4(x) { - return function constant() { - return x; - }; -} - -var pi$1 = Math.PI; -var tau$1 = 2 * pi$1; - -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 x(p) { + return p[0]; + } + + function y(p) { + return p[1]; } -}; -function curveLinear(context) { - return new Linear(context); -} + function line() { + var x$1 = x, + y$1 = y, + defined = constant$4(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)); + } -function x(p) { - return p[0]; -} + if (buffer) return output = null, buffer + "" || null; + } -function y(p) { - return p[1]; -} + line.x = function(_) { + return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant$4(+_), line) : x$1; + }; -function line() { - var x$1 = x, - y$1 = y, - defined = constant$4(true), - context = null, - curve = curveLinear, - output = null; + line.y = function(_) { + return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant$4(+_), line) : y$1; + }; - function line(data) { - var i, - n = data.length, - d, - defined0 = false, - buffer; + line.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$4(!!_), line) : defined; + }; - if (context == null) output = curve(buffer = path()); + line.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; + }; - 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)); - } + line.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; + }; - if (buffer) return output = null, buffer + "" || null; + return line; } - line.x = function(_) { - return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant$4(+_), line) : x$1; - }; + function d3Area() { + var x0 = x, + x1 = null, + y0 = constant$4(0), + y1 = y, + defined = constant$4(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]); + } + } - line.y = function(_) { - return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant$4(+_), line) : y$1; - }; + if (buffer) return output = null, buffer + "" || null; + } - line.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$4(!!_), line) : defined; - }; + function arealine() { + return line().defined(defined).curve(curve).context(context); + } - line.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), line) : curve; - }; + area.x = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$4(+_), x1 = null, area) : x0; + }; - line.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line) : context; - }; + area.x0 = function(_) { + return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$4(+_), area) : x0; + }; - return line; -} + area.x1 = function(_) { + return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$4(+_), area) : x1; + }; -function d3Area() { - var x0 = x, - x1 = null, - y0 = constant$4(0), - y1 = y, - defined = constant$4(true), - context = null, - curve = curveLinear, - output = null; + area.y = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$4(+_), y1 = null, area) : y0; + }; - 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]); - } - } + area.y0 = function(_) { + return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$4(+_), area) : y0; + }; - if (buffer) return output = null, buffer + "" || null; - } + area.y1 = function(_) { + return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$4(+_), area) : y1; + }; - function arealine() { - return line().defined(defined).curve(curve).context(context); - } + area.lineX0 = + area.lineY0 = function() { + return arealine().x(x0).y(y0); + }; - area.x = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$4(+_), x1 = null, area) : x0; - }; + area.lineY1 = function() { + return arealine().x(x0).y(y1); + }; - area.x0 = function(_) { - return arguments.length ? (x0 = typeof _ === "function" ? _ : constant$4(+_), area) : x0; - }; + area.lineX1 = function() { + return arealine().x(x1).y(y0); + }; - area.x1 = function(_) { - return arguments.length ? (x1 = _ == null ? null : typeof _ === "function" ? _ : constant$4(+_), area) : x1; - }; + area.defined = function(_) { + return arguments.length ? (defined = typeof _ === "function" ? _ : constant$4(!!_), area) : defined; + }; - area.y = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$4(+_), y1 = null, area) : y0; - }; + area.curve = function(_) { + return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; + }; - area.y0 = function(_) { - return arguments.length ? (y0 = typeof _ === "function" ? _ : constant$4(+_), area) : y0; - }; + area.context = function(_) { + return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; + }; - area.y1 = function(_) { - return arguments.length ? (y1 = _ == null ? null : typeof _ === "function" ? _ : constant$4(+_), area) : y1; - }; + return area; + } - area.lineX0 = - area.lineY0 = function() { - return arealine().x(x0).y(y0); + var circle = { + draw: function(context, size) { + var r = Math.sqrt(size / pi$1); + context.moveTo(r, 0); + context.arc(0, 0, r, 0, tau$1); + } }; - area.lineY1 = function() { - return arealine().x(x0).y(y1); - }; + var sqrt3 = Math.sqrt(3); - area.lineX1 = function() { - return arealine().x(x1).y(y0); + var symbolTriangle = { + 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(); + } }; - area.defined = function(_) { - return arguments.length ? (defined = typeof _ === "function" ? _ : constant$4(!!_), area) : defined; - }; + function symbol() { + var type = constant$4(circle), + size = constant$4(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; + } - area.curve = function(_) { - return arguments.length ? (curve = _, context != null && (output = curve(context)), area) : curve; - }; + symbol.type = function(_) { + return arguments.length ? (type = typeof _ === "function" ? _ : constant$4(_), symbol) : type; + }; - area.context = function(_) { - return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), area) : context; - }; + symbol.size = function(_) { + return arguments.length ? (size = typeof _ === "function" ? _ : constant$4(+_), symbol) : size; + }; - return area; -} + symbol.context = function(_) { + return arguments.length ? (context = _ == null ? null : _, symbol) : context; + }; -var circle = { - draw: function(context, size) { - var r = Math.sqrt(size / pi$1); - context.moveTo(r, 0); - context.arc(0, 0, r, 0, tau$1); + return symbol; } -}; -var sqrt3 = Math.sqrt(3); - -var symbolTriangle = { - 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(); + function point$1(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 symbol() { - var type = constant$4(circle), - size = constant$4(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; + function Basis(context) { + this._context = context; } - symbol.type = function(_) { - return arguments.length ? (type = typeof _ === "function" ? _ : constant$4(_), symbol) : type; - }; - - symbol.size = function(_) { - return arguments.length ? (size = typeof _ === "function" ? _ : constant$4(+_), symbol) : size; + 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$1(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$1(this, x, y); break; + } + this._x0 = this._x1, this._x1 = x; + this._y0 = this._y1, this._y1 = y; + } }; - symbol.context = function(_) { - return arguments.length ? (context = _ == null ? null : _, symbol) : context; - }; + function curveBasis(context) { + return new Basis(context); + } - return symbol; -} - -function point$1(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$1(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$1(this, x, y); break; - } - this._x0 = this._x1, this._x1 = x; - this._y0 = this._y1, this._y1 = y; + 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; } -}; -function curveBasis(context) { - return new Basis(context); -} + var schemeCategory10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); -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 schemeAccent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); -var schemeCategory10 = colors("1f77b4ff7f0e2ca02cd627289467bd8c564be377c27f7f7fbcbd2217becf"); + var schemeDark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); -var schemeAccent = colors("7fc97fbeaed4fdc086ffff99386cb0f0027fbf5b17666666"); + var schemePaired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); -var schemeDark2 = colors("1b9e77d95f027570b3e7298a66a61ee6ab02a6761d666666"); + var schemeSet2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); -var schemePaired = colors("a6cee31f78b4b2df8a33a02cfb9a99e31a1cfdbf6fff7f00cab2d66a3d9affff99b15928"); + var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); -var schemeSet2 = colors("66c2a5fc8d628da0cbe78ac3a6d854ffd92fe5c494b3b3b3"); + (function (factory, window) { + // define an AMD module that relies on 'leaflet' + if (typeof define === 'function' && define.amd) { + define(['leaflet'], factory); // define a Common JS module that relies on 'leaflet' + } else if ((typeof exports === "undefined" ? "undefined" : _typeof(exports)) === 'object') { + if (typeof window !== 'undefined' && window.L) { + module.exports = factory(L); + } else { + module.exports = factory(require('leaflet')); + } + } // attach your plugin to the global 'L' variable -var schemeSet3 = colors("8dd3c7ffffb3bebadafb807280b1d3fdb462b3de69fccde5d9d9d9bc80bdccebc5ffed6f"); -(function (factory, window) { - // define an AMD module that relies on 'leaflet' - if (typeof define === 'function' && define.amd) { - define(['leaflet'], factory); // define a Common JS module that relies on 'leaflet' - } else if ((typeof exports === "undefined" ? "undefined" : _typeof(exports)) === 'object') { if (typeof window !== 'undefined' && window.L) { - module.exports = factory(L); - } else { - module.exports = factory(require('leaflet')); + window.L.Control.Heightgraph = factory(L); } - } // attach your plugin to the global 'L' variable - - - if (typeof window !== 'undefined' && window.L) { - window.L.Control.Heightgraph = factory(L); - } -})(function (L) { - L.Control.Heightgraph = L.Control.extend({ - options: { - position: "bottomright", - width: 800, - height: 280, - margins: { - top: 10, - right: 30, - bottom: 55, - left: 50 + })(function (L) { + L.Control.Heightgraph = L.Control.extend({ + options: { + position: "bottomright", + width: 800, + height: 280, + margins: { + top: 10, + right: 30, + bottom: 55, + left: 50 + }, + imperial: false, + mappings: undefined, + expand: true, + expandControls: true, + translation: {}, + expandCallback: undefined, + chooseSelectionCallback: undefined, + selectedAttributeIdx: 0, + xTicks: undefined, + yTicks: undefined, + highlightStyle: undefined, + graphStyle: undefined }, - imperial: false, - mappings: undefined, - expand: true, - expandControls: true, - translation: {}, - expandCallback: undefined, - chooseSelectionCallback: undefined, - selectedAttributeIdx: 0, - xTicks: undefined, - yTicks: undefined, - highlightStyle: undefined, - graphStyle: undefined - }, - _defaultTranslation: { - distance: "Distance", - elevation: "Elevation", - segment_length: "Segment length", - type: "Type", - legend: "Legend" - }, - _init_options: function _init_options() { - this._margin = this.options.margins; - this._width = this.options.width; - this._height = this.options.height; - this._mappings = this.options.mappings; - this._svgWidth = this._width - this._margin.left - this._margin.right; - this._svgHeight = this._height - this._margin.top - this._margin.bottom; - this._highlightStyle = this.options.highlightStyle || { - color: 'red' - }; - this._graphStyle = this.options.graphStyle || {}; - this._dragCache = {}; - }, - onAdd: function onAdd(map) { - var container = this._container = L.DomUtil.create("div", "heightgraph"); - L.DomEvent.disableClickPropagation(container); - - if (this.options.expandControls) { - var buttonContainer = this._button = L.DomUtil.create('div', "heightgraph-toggle", container); - var link = L.DomUtil.create("a", "heightgraph-toggle-icon", buttonContainer); - var closeButton = this._closeButton = L.DomUtil.create("a", "heightgraph-close-icon", container); - } + _defaultTranslation: { + distance: "Distance", + elevation: "Elevation", + segment_length: "Segment length", + type: "Type", + legend: "Legend" + }, + _init_options: function _init_options() { + this._margin = this.options.margins; + this._width = this.options.width; + this._height = this.options.height; + this._mappings = this.options.mappings; + this._svgWidth = this._width - this._margin.left - this._margin.right; + this._svgHeight = this._height - this._margin.top - this._margin.bottom; + this._highlightStyle = this.options.highlightStyle || { + color: 'red' + }; + this._graphStyle = this.options.graphStyle || {}; + this._dragCache = {}; + }, + onAdd: function onAdd(map) { + var container = this._container = L.DomUtil.create("div", "heightgraph"); + L.DomEvent.disableClickPropagation(container); + + if (this.options.expandControls) { + var buttonContainer = this._button = L.DomUtil.create('div', "heightgraph-toggle", container); + var link = L.DomUtil.create("a", "heightgraph-toggle-icon", buttonContainer); + var closeButton = this._closeButton = L.DomUtil.create("a", "heightgraph-close-icon", container); + } - this._showState = false; + this._showState = false; - this._initToggle(); + this._initToggle(); - this._init_options(); // Note: this._svg really contains the inside the + this._init_options(); // Note: this._svg really contains the inside the - this._svg = select(this._container).append("svg").attr("class", "heightgraph-container").attr("width", this._width).attr("height", this._height).append("g").attr("transform", "translate(" + this._margin.left + "," + this._margin.top + ")"); - if (this.options.expand) this._expand(); - return container; - }, - onRemove: function onRemove(map) { - this._removeMarkedSegmentsOnMap(); + this._svg = select(this._container).append("svg").attr("class", "heightgraph-container").attr("width", this._width).attr("height", this._height).append("g").attr("transform", "translate(" + this._margin.left + "," + this._margin.top + ")"); + if (this.options.expand) this._expand(); + return container; + }, + onRemove: function onRemove(map) { + this._removeMarkedSegmentsOnMap(); - this._container = null; - this._svg = undefined; - }, + this._container = null; + this._svg = undefined; + }, - /** - * add Data from geoJson and call all functions - * @param {Object} data - */ - addData: function addData(data) { - this._addData(data); - }, + /** + * add Data from geoJson and call all functions + * @param {Object} data + */ + addData: function addData(data) { + this._addData(data); + }, - /** - * Internal function. Overloads public addData(). - * Call with resize = true when resizing instead of actually adding data. - * TODO: this should be refactored to avoid calling addData on resize - * @param data - * @param resize - * @private - */ - _addData: function _addData(data) { - if (this._svg !== undefined) { - this._svg.selectAll("*").remove(); - } + /** + * Internal function. Overloads public addData(). + * Call with resize = true when resizing instead of actually adding data. + * TODO: this should be refactored to avoid calling addData on resize + * @param data + * @param resize + * @private + */ + _addData: function _addData(data) { + if (this._svg !== undefined) { + this._svg.selectAll("*").remove(); + } - if (!data || this.options.selectedAttributeIdx >= data.length) { - this.options.selectedAttributeIdx = 0; - } + if (!data || this.options.selectedAttributeIdx >= data.length) { + this.options.selectedAttributeIdx = 0; + } - this._removeMarkedSegmentsOnMap(); + this._removeMarkedSegmentsOnMap(); - this._resetDrag(true); + this._resetDrag(true); - this._data = data; + this._data = data; - this._init_options(); + this._init_options(); - this._prepareData(); + this._prepareData(); - this._calculateElevationBounds(); + this._calculateElevationBounds(); - this._appendScales(); + this._appendScales(); - this._appendGrid(); + this._appendGrid(); - if (Object.keys(data).length !== 0) { - this._createChart(this.options.selectedAttributeIdx); - } + if (Object.keys(data).length !== 0) { + this._createChart(this.options.selectedAttributeIdx); + } - this._createSelectionBox(); - }, - resize: function resize(size) { - if (size.width) this.options.width = size.width; - if (size.height) this.options.height = size.height; // Resize the along with its container + this._createSelectionBox(); + }, + resize: function resize(size) { + if (size.width) this.options.width = size.width; + if (size.height) this.options.height = size.height; // Resize the along with its container - select(this._container).selectAll("svg").attr("width", this.options.width).attr("height", this.options.height); // Re-add the data to redraw the chart. + select(this._container).selectAll("svg").attr("width", this.options.width).attr("height", this.options.height); // Re-add the data to redraw the chart. - this._addData(this._data); - }, - _initToggle: function _initToggle() { - if (!L.Browser.touch) { - L.DomEvent.disableClickPropagation(this._container); - } else { - L.DomEvent.on(this._container, 'click', L.DomEvent.stopPropagation); - } + this._addData(this._data); + }, + _initToggle: function _initToggle() { + if (!L.Browser.touch) { + L.DomEvent.disableClickPropagation(this._container); + } else { + L.DomEvent.on(this._container, 'click', L.DomEvent.stopPropagation); + } - if (this.options.expandControls) { - L.DomEvent.on(this._button, 'click', this._expand, this); - L.DomEvent.on(this._closeButton, 'click', this._expand, this); - } - }, - _dragHandler: function _dragHandler() { - //we don´t want map events to occur here - if (typeof event !== 'undefined') { - event.preventDefault(); - event.stopPropagation(); - } + if (this.options.expandControls) { + L.DomEvent.on(this._button, 'click', this._expand, this); + L.DomEvent.on(this._closeButton, 'click', this._expand, this); + } + }, + _dragHandler: function _dragHandler() { + //we don´t want map events to occur here + if (typeof event !== 'undefined') { + event.preventDefault(); + event.stopPropagation(); + } - this._gotDragged = true; + this._gotDragged = true; - this._drawDragRectangle(); - }, + this._drawDragRectangle(); + }, - /** - * Draws the currently dragged rectangle over the chart. - */ - _drawDragRectangle: function _drawDragRectangle() { - if (!this._dragStartCoords) { - return; - } + /** + * Draws the currently dragged rectangle over the chart. + */ + _drawDragRectangle: function _drawDragRectangle() { + if (!this._dragStartCoords) { + return; + } - var dragEndCoords = this._dragCurrentCoords = this._dragCache.end = mouse(this._background.node()); - var x1 = Math.min(this._dragStartCoords[0], dragEndCoords[0]), - x2 = Math.max(this._dragStartCoords[0], dragEndCoords[0]); + var dragEndCoords = this._dragCurrentCoords = this._dragCache.end = mouse(this._background.node()); + var x1 = Math.min(this._dragStartCoords[0], dragEndCoords[0]), + x2 = Math.max(this._dragStartCoords[0], dragEndCoords[0]); - if (!this._dragRectangle && !this._dragRectangleG) { - var g = select(this._container).select("svg").select("g"); - this._dragRectangleG = g.append("g"); - this._dragRectangle = this._dragRectangleG.append("rect").attr("width", x2 - x1).attr("height", this._svgHeight).attr("x", x1).attr('class', 'mouse-drag').style("fill", "grey").style("opacity", 0.5).style("pointer-events", "none"); - } else { - this._dragRectangle.attr("width", x2 - x1).attr("x", x1); - } - }, + if (!this._dragRectangle && !this._dragRectangleG) { + var g = select(this._container).select("svg").select("g"); + this._dragRectangleG = g.append("g"); + this._dragRectangle = this._dragRectangleG.append("rect").attr("width", x2 - x1).attr("height", this._svgHeight).attr("x", x1).attr('class', 'mouse-drag').style("fill", "grey").style("opacity", 0.5).style("pointer-events", "none"); + } else { + this._dragRectangle.attr("width", x2 - x1).attr("x", x1); + } + }, - /** - * Removes the drag rectangle - * @param {boolean} skipMapFitBounds - whether to zoom the map back to the total extent of the data - */ - _resetDrag: function _resetDrag(skipMapFitBounds) { - if (this._dragRectangleG) { - this._dragRectangleG.remove(); + /** + * Removes the drag rectangle + * @param {boolean} skipMapFitBounds - whether to zoom the map back to the total extent of the data + */ + _resetDrag: function _resetDrag(skipMapFitBounds) { + if (this._dragRectangleG) { + this._dragRectangleG.remove(); - this._dragRectangleG = null; - this._dragRectangle = null; + this._dragRectangleG = null; + this._dragRectangle = null; - if (skipMapFitBounds !== true) { - // potential performance improvement: - // we could cache the full extend when addData() is called - var fullExtent = this._calculateFullExtent(this._areasFlattended); + if (skipMapFitBounds !== true) { + // potential performance improvement: + // we could cache the full extend when addData() is called + var fullExtent = this._calculateFullExtent(this._areasFlattended); - if (fullExtent) this._map.fitBounds(fullExtent); + if (fullExtent) this._map.fitBounds(fullExtent); + } } - } - }, - - /** - * Handles end of drag operations. Zooms the map to the selected items extent. - */ - _dragEndHandler: function _dragEndHandler() { - if (!this._dragStartCoords || !this._gotDragged) { - this._dragStartCoords = null; - this._gotDragged = false; + }, - this._resetDrag(); + /** + * Handles end of drag operations. Zooms the map to the selected items extent. + */ + _dragEndHandler: function _dragEndHandler() { + if (!this._dragStartCoords || !this._gotDragged) { + this._dragStartCoords = null; + this._gotDragged = false; - return; - } + this._resetDrag(); - var item1 = this._findItemForX(this._dragStartCoords[0]), - item2 = this._findItemForX(this._dragCurrentCoords[0]); + return; + } - this._fitSection(item1, item2); + var item1 = this._findItemForX(this._dragStartCoords[0]), + item2 = this._findItemForX(this._dragCurrentCoords[0]); - this._dragStartCoords = null; - this._gotDragged = false; - }, - _dragStartHandler: function _dragStartHandler() { - event.preventDefault(); - event.stopPropagation(); - this._gotDragged = false; - this._dragStartCoords = this._dragCache.start = mouse(this._background.node()); - }, + this._fitSection(item1, item2); - /* - * Calculates the full extent of the data array - */ - _calculateFullExtent: function _calculateFullExtent(data) { - if (!data || data.length < 1) { - return null; - } + this._dragStartCoords = null; + this._gotDragged = false; + }, + _dragStartHandler: function _dragStartHandler() { + event.preventDefault(); + event.stopPropagation(); + this._gotDragged = false; + this._dragStartCoords = this._dragCache.start = mouse(this._background.node()); + }, - var full_extent = new L.latLngBounds(data[0].latlng, data[0].latlng); - data.forEach(function (item) { - if (!full_extent.contains(item.latlng)) { - full_extent.extend(item.latlng); + /* + * Calculates the full extent of the data array + */ + _calculateFullExtent: function _calculateFullExtent(data) { + if (!data || data.length < 1) { + return null; } - }); - return full_extent; - }, - /** - * Make the map fit the route section between given indexes. - */ - _fitSection: function _fitSection(index1, index2) { - var start = Math.min(index1, index2), - end = Math.max(index1, index2); - var ext; - - if (start !== end) { - ext = this._calculateFullExtent(this._areasFlattended.slice(start, end + 1)); - } else if (this._areasFlattended.length > 0) { - ext = [this._areasFlattended[start].latlng, this._areasFlattended[end].latlng]; - } + var full_extent = new L.latLngBounds(data[0].latlng, data[0].latlng); + data.forEach(function (item) { + if (!full_extent.contains(item.latlng)) { + full_extent.extend(item.latlng); + } + }); + return full_extent; + }, - if (ext) this._map.fitBounds(ext); - }, + /** + * Make the map fit the route section between given indexes. + */ + _fitSection: function _fitSection(index1, index2) { + var start = Math.min(index1, index2), + end = Math.max(index1, index2); + var ext; + + if (start !== end) { + ext = this._calculateFullExtent(this._areasFlattended.slice(start, end + 1)); + } else if (this._areasFlattended.length > 0) { + ext = [this._areasFlattended[start].latlng, this._areasFlattended[end].latlng]; + } - /** - * Expand container when button clicked and shrink when close-Button clicked - */ - _expand: function _expand() { - if (this.options.expandControls !== true) { - // always expand, never collapse - this._showState = false; - } + if (ext) this._map.fitBounds(ext); + }, - if (!this._showState) { - select(this._button).style("display", "none"); - select(this._container).selectAll('svg').style("display", "block"); - select(this._closeButton).style("display", "block"); - } else { - select(this._button).style("display", "block"); - select(this._container).selectAll('svg').style("display", "none"); - select(this._closeButton).style("display", "none"); - } + /** + * Expand container when button clicked and shrink when close-Button clicked + */ + _expand: function _expand() { + if (this.options.expandControls !== true) { + // always expand, never collapse + this._showState = false; + } - this._showState = !this._showState; + if (!this._showState) { + select(this._button).style("display", "none"); + select(this._container).selectAll('svg').style("display", "block"); + select(this._closeButton).style("display", "block"); + } else { + select(this._button).style("display", "block"); + select(this._container).selectAll('svg').style("display", "none"); + select(this._closeButton).style("display", "none"); + } - if (typeof this.options.expandCallback === "function") { - this.options.expandCallback(this._showState); - } - }, + this._showState = !this._showState; - /** - * Removes the svg elements from the d3 chart - */ - _removeChart: function _removeChart() { - if (this._svg !== undefined) { - // remove areas - this._svg.selectAll("path.area").remove(); // remove top border + if (typeof this.options.expandCallback === "function") { + this.options.expandCallback(this._showState); + } + }, + /** + * Removes the svg elements from the d3 chart + */ + _removeChart: function _removeChart() { + if (this._svg !== undefined) { + // remove areas + this._svg.selectAll("path.area").remove(); // remove top border - this._svg.selectAll("path.border-top").remove(); // remove legend + this._svg.selectAll("path.border-top").remove(); // remove legend - this._svg.selectAll(".legend").remove(); // remove horizontal Line + this._svg.selectAll(".legend").remove(); // remove horizontal Line - this._svg.selectAll(".lineSelection").remove(); - this._svg.selectAll(".horizontalLine").remove(); + this._svg.selectAll(".lineSelection").remove(); - this._svg.selectAll(".horizontalLineText").remove(); - } - }, + this._svg.selectAll(".horizontalLine").remove(); - /** - * Creates a random int between 0 and max - */ - _randomNumber: function _randomNumber(max) { - return Math.round(Math.random() * (max - 0)); - }, - _d3ColorCategorical: [schemeAccent, schemeDark2, schemeSet2, schemeCategory10, schemeSet3, schemePaired], + this._svg.selectAll(".horizontalLineText").remove(); + } + }, - /** - * Prepares the data needed for the height graph - */ - _prepareData: function _prepareData() { - this._coordinates = []; - this._elevations = []; - this._cumulatedDistances = []; + /** + * Creates a random int between 0 and max + */ + _randomNumber: function _randomNumber(max) { + return Math.round(Math.random() * (max - 0)); + }, + _d3ColorCategorical: [schemeAccent, schemeDark2, schemeSet2, schemeCategory10, schemeSet3, schemePaired], - this._cumulatedDistances.push(0); + /** + * Prepares the data needed for the height graph + */ + _prepareData: function _prepareData() { + this._coordinates = []; + this._elevations = []; + this._cumulatedDistances = []; - this._categories = []; - var data = this._data; - var colorScale; + this._cumulatedDistances.push(0); - if (this._mappings === undefined) { - var randomNumber = this._randomNumber(this._d3ColorCategorical.length - 1); + this._categories = []; + var data = this._data; + var colorScale; - colorScale = ordinal(this._d3ColorCategorical[randomNumber]); - } + if (this._mappings === undefined) { + var randomNumber = this._randomNumber(this._d3ColorCategorical.length - 1); - for (var y = 0; y < data.length; y++) { - var cumDistance = 0; - this._categories[y] = { - info: { - id: y, - text: data[y].properties.label || data[y].properties.summary - }, - distances: [], - attributes: [], - geometries: [], - legend: {} - }; - var i = void 0, - cnt = 0; - var usedColors = {}; - var isMappingFunction = this._mappings !== undefined && typeof this._mappings[data[y].properties.summary] === 'function'; - - for (i = 0; i < data[y].features.length; i++) { - // data is redundant in every element of data which is why we collect it once - var altitude = void 0, - ptA = void 0, - ptB = void 0, - ptDistance = void 0; - var geometry = []; - var coordsLength = data[y].features[i].geometry.coordinates.length; // save attribute types related to blocks - - var attributeType = data[y].features[i].properties.attributeType; // check if mappings are defined, otherwise random colors - - var text = void 0, - color = void 0; - - if (this._mappings === undefined) { - if (attributeType in usedColors) { - text = attributeType; - color = usedColors[attributeType]; - } else { - text = attributeType; - color = colorScale(i); - usedColors[attributeType] = color; - } - } else { - if (isMappingFunction) { - var result = this._mappings[data[y].properties.summary](attributeType); + colorScale = ordinal(this._d3ColorCategorical[randomNumber]); + } - text = result.text; - color = result.color; + for (var y = 0; y < data.length; y++) { + var cumDistance = 0; + this._categories[y] = { + info: { + id: y, + text: data[y].properties.label || data[y].properties.summary + }, + distances: [], + attributes: [], + geometries: [], + legend: {} + }; + var i = void 0, + cnt = 0; + var usedColors = {}; + var isMappingFunction = this._mappings !== undefined && typeof this._mappings[data[y].properties.summary] === 'function'; + + for (i = 0; i < data[y].features.length; i++) { + // data is redundant in every element of data which is why we collect it once + var altitude = void 0, + ptA = void 0, + ptB = void 0, + ptDistance = void 0; + var geometry = []; + var coordsLength = data[y].features[i].geometry.coordinates.length; // save attribute types related to blocks + + var attributeType = data[y].features[i].properties.attributeType; // check if mappings are defined, otherwise random colors + + var text = void 0, + color = void 0; + + if (this._mappings === undefined) { + if (attributeType in usedColors) { + text = attributeType; + color = usedColors[attributeType]; + } else { + text = attributeType; + color = colorScale(i); + usedColors[attributeType] = color; + } } else { - text = this._mappings[data[y].properties.summary][attributeType].text; - color = this._mappings[data[y].properties.summary][attributeType].color; + if (isMappingFunction) { + var result = this._mappings[data[y].properties.summary](attributeType); + + text = result.text; + color = result.color; + } else { + text = this._mappings[data[y].properties.summary][attributeType].text; + color = this._mappings[data[y].properties.summary][attributeType].color; + } } - } - var attribute = { - type: attributeType, - text: text, - color: color - }; + var attribute = { + type: attributeType, + text: text, + color: color + }; - this._categories[y].attributes.push(attribute); // add to legend + this._categories[y].attributes.push(attribute); // add to legend - if (!(attributeType in this._categories[y].legend)) { - this._categories[y].legend[attributeType] = attribute; - } + if (!(attributeType in this._categories[y].legend)) { + this._categories[y].legend[attributeType] = attribute; + } - for (var j = 0; j < coordsLength; j++) { - ptA = new L.LatLng(data[y].features[i].geometry.coordinates[j][1], data[y].features[i].geometry.coordinates[j][0]); - altitude = data[y].features[i].geometry.coordinates[j][2]; - if (this.options.imperial) altitude = this._toFeet(altitude); - altitude = parseFloat(altitude.toFixed(1)); // add elevations, coordinates and point distances only once - // last point in feature is first of next which is why we have to juggle with indices + for (var j = 0; j < coordsLength; j++) { + ptA = new L.LatLng(data[y].features[i].geometry.coordinates[j][1], data[y].features[i].geometry.coordinates[j][0]); + altitude = data[y].features[i].geometry.coordinates[j][2]; + if (this.options.imperial) altitude = this._toFeet(altitude); // add elevations, coordinates and point distances only once + // last point in feature is first of next which is why we have to juggle with indices - if (j < coordsLength - 1) { - ptB = new L.LatLng(data[y].features[i].geometry.coordinates[j + 1][1], data[y].features[i].geometry.coordinates[j + 1][0]); - ptDistance = ptA.distanceTo(ptB) / 1000; - if (this.options.imperial) ptDistance = this._toMiles(ptDistance); // calculate distances of specific block + if (j < coordsLength - 1) { + ptB = new L.LatLng(data[y].features[i].geometry.coordinates[j + 1][1], data[y].features[i].geometry.coordinates[j + 1][0]); + ptDistance = ptA.distanceTo(ptB) / 1000; + if (this.options.imperial) ptDistance = this._toMiles(ptDistance); // calculate distances of specific block - cumDistance += ptDistance; + cumDistance += ptDistance; - if (y === 0) { - this._elevations.push(altitude); + if (y === 0) { + this._elevations.push(altitude); - this._coordinates.push(ptA); + this._coordinates.push(ptA); - this._cumulatedDistances.push(cumDistance); - } + this._cumulatedDistances.push(cumDistance); + } - cnt += 1; - } else if (j === coordsLength - 1 && i === data[y].features.length - 1) { - if (y === 0) { - this._elevations.push(altitude); + cnt += 1; + } else if (j === coordsLength - 1 && i === data[y].features.length - 1) { + if (y === 0) { + this._elevations.push(altitude); - this._coordinates.push(ptB); - } + this._coordinates.push(ptB); + } - cnt += 1; - } // save the position which corresponds to the distance along the route. + cnt += 1; + } // save the position which corresponds to the distance along the route. - var position = void 0; + var position = void 0; - if (j === coordsLength - 1 && i < data[y].features.length - 1) { - position = this._cumulatedDistances[cnt]; - } else { - position = this._cumulatedDistances[cnt - 1]; + if (j === coordsLength - 1 && i < data[y].features.length - 1) { + position = this._cumulatedDistances[cnt]; + } else { + position = this._cumulatedDistances[cnt - 1]; + } + + geometry.push({ + altitude: altitude, + position: position, + x: ptA.lng, + y: ptA.lat, + latlng: ptA, + type: text, + areaIdx: i + }); } - geometry.push({ - altitude: altitude, - position: position, - x: ptA.lng, - y: ptA.lat, - latlng: ptA, - type: text, - areaIdx: i - }); - } + this._categories[y].distances.push(cumDistance); - this._categories[y].distances.push(cumDistance); + this._categories[y].geometries.push(geometry); + } - this._categories[y].geometries.push(geometry); + if (y === data.length - 1) { + this._totalDistance = cumDistance; + } } + }, - if (y === data.length - 1) { - this._totalDistance = cumDistance; - } - } - }, + /** + * calculates minimum and maximum values for the elevation scale drawn with d3 + */ + _calculateElevationBounds: function _calculateElevationBounds() { + var max = d3Max(this._elevations); + var min = d3Min(this._elevations); + var range = max - min; + this._elevationBounds = { + min: range < 10 ? min - 10 : min - 0.1 * range, + max: range < 10 ? max + 10 : max + 0.1 * range + }; + }, - /** - * calculates minimum and maximum values for the elevation scale drawn with d3 - */ - _calculateElevationBounds: function _calculateElevationBounds() { - var max = d3Max(this._elevations); - var min = d3Min(this._elevations); - var range = max - min; - this._elevationBounds = { - min: range < 10 ? min - 10 : min - 0.1 * range, - max: range < 10 ? max + 10 : max + 0.1 * range - }; - }, + /** + * Creates a marker on the map while hovering + * @param {Object} ll: actual coordinates of the route + * @param {Number} height: height as float + * @param {string} type: type of element + */ + _showMapMarker: function _showMapMarker(ll, height, type) { + var layerPoint = this._map.latLngToLayerPoint(ll); + + var normalizedY = layerPoint.y - 75; + + if (!this._mouseHeightFocus) { + var heightG = select(".leaflet-overlay-pane svg").append("g"); + this._mouseHeightFocus = heightG.append('svg:line').attr('class', 'height-focus line').attr('x2', '0').attr('y2', '0').attr('x1', '0').attr('y1', '0'); + this._mouseHeightFocusLabel = heightG.append("g").attr('class', 'height-focus label'); + this._mouseHeightFocusLabelRect = this._mouseHeightFocusLabel.append("rect").attr('class', 'bBox'); + this._mouseHeightFocusLabelTextElev = this._mouseHeightFocusLabel.append("text").attr('class', 'tspan'); + this._mouseHeightFocusLabelTextType = this._mouseHeightFocusLabel.append("text").attr('class', 'tspan'); + var pointG = this._pointG = heightG.append("g").attr("class", "height-focus circle"); + pointG.append("svg:circle").attr("r", 5).attr("cx", 0).attr("cy", 0).attr("class", "height-focus circle-lower"); + } - /** - * Creates a marker on the map while hovering - * @param {Object} ll: actual coordinates of the route - * @param {Number} height: height as float - * @param {string} type: type of element - */ - _showMapMarker: function _showMapMarker(ll, height, type) { - var layerPoint = this._map.latLngToLayerPoint(ll); - - var normalizedY = layerPoint.y - 75; - - if (!this._mouseHeightFocus) { - var heightG = select(".leaflet-overlay-pane svg").append("g"); - this._mouseHeightFocus = heightG.append('svg:line').attr('class', 'height-focus line').attr('x2', '0').attr('y2', '0').attr('x1', '0').attr('y1', '0'); - this._mouseHeightFocusLabel = heightG.append("g").attr('class', 'height-focus label'); - this._mouseHeightFocusLabelRect = this._mouseHeightFocusLabel.append("rect").attr('class', 'bBox'); - this._mouseHeightFocusLabelTextElev = this._mouseHeightFocusLabel.append("text").attr('class', 'tspan'); - this._mouseHeightFocusLabelTextType = this._mouseHeightFocusLabel.append("text").attr('class', 'tspan'); - var pointG = this._pointG = heightG.append("g").attr("class", "height-focus circle"); - pointG.append("svg:circle").attr("r", 5).attr("cx", 0).attr("cy", 0).attr("class", "height-focus circle-lower"); - } + this._mouseHeightFocusLabel.style("display", "block"); - this._mouseHeightFocusLabel.style("display", "block"); + this._mouseHeightFocus.attr("x1", layerPoint.x).attr("x2", layerPoint.x).attr("y1", layerPoint.y).attr("y2", normalizedY).style("display", "block"); - this._mouseHeightFocus.attr("x1", layerPoint.x).attr("x2", layerPoint.x).attr("y1", layerPoint.y).attr("y2", normalizedY).style("display", "block"); + this._pointG.attr("transform", "translate(" + layerPoint.x + "," + layerPoint.y + ")").style("display", "block"); - this._pointG.attr("transform", "translate(" + layerPoint.x + "," + layerPoint.y + ")").style("display", "block"); + this._mouseHeightFocusLabelRect.attr("x", layerPoint.x + 3).attr("y", normalizedY).attr("class", 'bBox'); - this._mouseHeightFocusLabelRect.attr("x", layerPoint.x + 3).attr("y", normalizedY).attr("class", 'bBox'); + this._mouseHeightFocusLabelTextElev.attr("x", layerPoint.x + 5).attr("y", normalizedY + 12).text(height.toFixed(1) + (this.options.imperial ? " ft" : " m")).attr("class", "tspan mouse-height-box-text"); - this._mouseHeightFocusLabelTextElev.attr("x", layerPoint.x + 5).attr("y", normalizedY + 12).text(height + (this.options.imperial ? " ft" : " m")).attr("class", "tspan mouse-height-box-text"); + this._mouseHeightFocusLabelTextType.attr("x", layerPoint.x + 5).attr("y", normalizedY + 24).text(type).attr("class", "tspan mouse-height-box-text"); - this._mouseHeightFocusLabelTextType.attr("x", layerPoint.x + 5).attr("y", normalizedY + 24).text(type).attr("class", "tspan mouse-height-box-text"); + var maxWidth = this._dynamicBoxSize("text.tspan")[1]; // box size should change for profile none (no type) - var maxWidth = this._dynamicBoxSize("text.tspan")[1]; // box size should change for profile none (no type) + var maxHeight = type === "" ? 12 + 6 : 2 * 12 + 6; + selectAll('.bBox').attr("width", maxWidth + 10).attr("height", maxHeight); + }, - var maxHeight = type === "" ? 12 + 6 : 2 * 12 + 6; - selectAll('.bBox').attr("width", maxWidth + 10).attr("height", maxHeight); - }, + /** + * Creates the elevation profile + */ + _createChart: function _createChart(idx) { + var areas = this._categories.length === 0 ? [] : this._categories[idx].geometries; + this._areasFlattended = [].concat.apply([], areas); - /** - * Creates the elevation profile - */ - _createChart: function _createChart(idx) { - var areas = this._categories.length === 0 ? [] : this._categories[idx].geometries; - this._areasFlattended = [].concat.apply([], areas); + for (var i = 0; i < areas.length; i++) { + this._appendAreas(areas[i], idx, i); + } - for (var i = 0; i < areas.length; i++) { - this._appendAreas(areas[i], idx, i); - } + this._createFocus(); - this._createFocus(); + this._appendBackground(); - this._appendBackground(); + this._createBorderTopLine(); - this._createBorderTopLine(); + this._createLegend(); - this._createLegend(); + this._createHorizontalLine(); + }, - this._createHorizontalLine(); - }, + /** + * Creates focus Line and focus box while hovering + */ + _createFocus: function _createFocus() { + var boxPosition = this._elevationBounds.min; + var textDistance = 15; - /** - * Creates focus Line and focus box while hovering - */ - _createFocus: function _createFocus() { - var boxPosition = this._elevationBounds.min; - var textDistance = 15; + if (this._focus) { + this._focus.remove(); - if (this._focus) { - this._focus.remove(); + this._focusLineGroup.remove(); + } - this._focusLineGroup.remove(); - } + this._focus = this._svg.append("g").attr("class", "focusbox"); // background box - this._focus = this._svg.append("g").attr("class", "focusbox"); // background box + this._focusRect = this._focus.append("rect").attr("x", 3).attr("y", -this._y(boxPosition)).attr("display", "none"); // text line 1 - this._focusRect = this._focus.append("rect").attr("x", 3).attr("y", -this._y(boxPosition)).attr("display", "none"); // text line 1 + this._focusDistance = this._focus.append("text").attr("x", 7).attr("y", -this._y(boxPosition) + textDistance).attr("id", "heightgraph.distance").text(this._getTranslation('distance') + ':'); // text line 2 - this._focusDistance = this._focus.append("text").attr("x", 7).attr("y", -this._y(boxPosition) + textDistance).attr("id", "heightgraph.distance").text(this._getTranslation('distance') + ':'); // text line 2 + this._focusHeight = this._focus.append("text").attr("x", 7).attr("y", -this._y(boxPosition) + 2 * textDistance).attr("id", "heightgraph.height").text(this._getTranslation('elevation') + ':'); // text line 3 - this._focusHeight = this._focus.append("text").attr("x", 7).attr("y", -this._y(boxPosition) + 2 * textDistance).attr("id", "heightgraph.height").text(this._getTranslation('elevation') + ':'); // text line 3 + this._focusBlockDistance = this._focus.append("text").attr("x", 7).attr("y", -this._y(boxPosition) + 3 * textDistance).attr("id", "heightgraph.blockdistance").text(this._getTranslation('segment_length') + ':'); // text line 4 - this._focusBlockDistance = this._focus.append("text").attr("x", 7).attr("y", -this._y(boxPosition) + 3 * textDistance).attr("id", "heightgraph.blockdistance").text(this._getTranslation('segment_length') + ':'); // text line 4 + this._focusType = this._focus.append("text").attr("x", 7).attr("y", -this._y(boxPosition) + 4 * textDistance).attr("id", "heightgraph.type").text(this._getTranslation('type') + ':'); + this._areaTspan = this._focusBlockDistance.append('tspan').attr("class", "tspan"); + this._typeTspan = this._focusType.append('tspan').attr("class", "tspan"); - this._focusType = this._focus.append("text").attr("x", 7).attr("y", -this._y(boxPosition) + 4 * textDistance).attr("id", "heightgraph.type").text(this._getTranslation('type') + ':'); - this._areaTspan = this._focusBlockDistance.append('tspan').attr("class", "tspan"); - this._typeTspan = this._focusType.append('tspan').attr("class", "tspan"); + var height = this._dynamicBoxSize(".focusbox text")[0]; - var height = this._dynamicBoxSize(".focusbox text")[0]; + selectAll('.focusbox rect').attr("height", height * textDistance + textDistance / 2).attr("display", "block"); + this._focusLineGroup = this._svg.append("g").attr("class", "focusLine"); + this._focusLine = this._focusLineGroup.append("line").attr("y1", 0).attr("y2", this._y(this._elevationBounds.min)); + this._distTspan = this._focusDistance.append('tspan').attr("class", "tspan"); + this._altTspan = this._focusHeight.append('tspan').attr("class", "tspan"); + }, - selectAll('.focusbox rect').attr("height", height * textDistance + textDistance / 2).attr("display", "block"); - this._focusLineGroup = this._svg.append("g").attr("class", "focusLine"); - this._focusLine = this._focusLineGroup.append("line").attr("y1", 0).attr("y2", this._y(this._elevationBounds.min)); - this._distTspan = this._focusDistance.append('tspan').attr("class", "tspan"); - this._altTspan = this._focusHeight.append('tspan').attr("class", "tspan"); - }, + /** + * Creates horizontal Line for dragging + */ + _createHorizontalLine: function _createHorizontalLine() { + var self = this; + this._horizontalLine = this._svg.append("line").attr("class", "horizontalLine").attr("x1", 0).attr("x2", this._width - this._margin.left - this._margin.right).attr("y1", this._y(this._elevationBounds.min)).attr("y2", this._y(this._elevationBounds.min)).style("stroke", "black"); + this._elevationValueText = this._svg.append("text").attr("class", "horizontalLineText").attr("x", this._width - this._margin.left - this._margin.right - 20).attr("y", this._y(this._elevationBounds.min) - 10).attr("fill", "black"); //triangle symbol as controller + + var jsonTriangle = [{ + "x": this._width - this._margin.left - this._margin.right + 7, + "y": this._y(this._elevationBounds.min), + "color": "black", + "type": symbolTriangle, + "angle": -90, + "size": 100 + }]; - /** - * Creates horizontal Line for dragging - */ - _createHorizontalLine: function _createHorizontalLine() { - var self = this; - this._horizontalLine = this._svg.append("line").attr("class", "horizontalLine").attr("x1", 0).attr("x2", this._width - this._margin.left - this._margin.right).attr("y1", this._y(this._elevationBounds.min)).attr("y2", this._y(this._elevationBounds.min)).style("stroke", "black"); - this._elevationValueText = this._svg.append("text").attr("class", "horizontalLineText").attr("x", this._width - this._margin.left - this._margin.right - 20).attr("y", this._y(this._elevationBounds.min) - 10).attr("fill", "black"); //triangle symbol as controller - - var jsonTriangle = [{ - "x": this._width - this._margin.left - this._margin.right + 7, - "y": this._y(this._elevationBounds.min), - "color": "black", - "type": symbolTriangle, - "angle": -90, - "size": 100 - }]; - - var dragstart = function dragstart(d) { - select(this).raise().classed("active", true); - select(".horizontalLine").raise().classed("active", true); - }; + var dragstart = function dragstart(d) { + select(this).raise().classed("active", true); + select(".horizontalLine").raise().classed("active", true); + }; - var dragged = function dragged(d) { - var maxY = self._svgHeight; - var eventY = mouse(self._container)[1] - 10; - select(this).attr("transform", function (d) { - return "translate(" + d.x + "," + (eventY < 0 ? 0 : eventY > maxY ? maxY : eventY) + ") rotate(" + d.angle + ")"; - }); - select(".horizontalLine").attr("y1", eventY < 0 ? 0 : eventY > maxY ? maxY : eventY).attr("y2", eventY < 0 ? 0 : eventY > maxY ? maxY : eventY); + var dragged = function dragged(d) { + var maxY = self._svgHeight; + var eventY = mouse(self._container)[1] - 10; + select(this).attr("transform", function (d) { + return "translate(" + d.x + "," + (eventY < 0 ? 0 : eventY > maxY ? maxY : eventY) + ") rotate(" + d.angle + ")"; + }); + select(".horizontalLine").attr("y1", eventY < 0 ? 0 : eventY > maxY ? maxY : eventY).attr("y2", eventY < 0 ? 0 : eventY > maxY ? maxY : eventY); - if (eventY >= maxY) { - self._highlightedCoords = []; - } else { - self._highlightedCoords = self._findCoordsForY(eventY); - } + if (eventY >= maxY) { + self._highlightedCoords = []; + } else { + self._highlightedCoords = self._findCoordsForY(eventY); + } - select(".horizontalLineText").attr("y", eventY <= 10 ? 0 : eventY > maxY ? maxY - 10 : eventY - 10).text(format(".0f")(self._y.invert(eventY < 0 ? 0 : eventY > maxY ? maxY : eventY)) + " m"); + select(".horizontalLineText").attr("y", eventY <= 10 ? 0 : eventY > maxY ? maxY - 10 : eventY - 10).text(format(".0f")(self._y.invert(eventY < 0 ? 0 : eventY > maxY ? maxY : eventY)) + " m"); - self._removeMarkedSegmentsOnMap(); + self._removeMarkedSegmentsOnMap(); - self._markSegmentsOnMap(self._highlightedCoords); - }; + self._markSegmentsOnMap(self._highlightedCoords); + }; - var dragend = function dragend(d) { - select(this).classed("active", false); - select(".horizontalLine").classed("active", false); + var dragend = function dragend(d) { + select(this).classed("active", false); + select(".horizontalLine").classed("active", false); - self._removeMarkedSegmentsOnMap(); + self._removeMarkedSegmentsOnMap(); - self._markSegmentsOnMap(self._highlightedCoords); - }; + self._markSegmentsOnMap(self._highlightedCoords); + }; - var horizontalDrag = this._svg.selectAll(".horizontal-symbol").data(jsonTriangle).enter().append("path").attr("class", "lineSelection").attr("d", symbol().type(function (d) { - return d.type; - }).size(function (d) { - return d.size; - })).attr("transform", function (d) { - return "translate(" + d.x + "," + d.y + ") rotate(" + d.angle + ")"; - }).attr("id", function (d) { - return d.id; - }).style("fill", function (d) { - return d.color; - }).call(drag().on("start", dragstart).on("drag", dragged).on("end", dragend)); - }, + var horizontalDrag = this._svg.selectAll(".horizontal-symbol").data(jsonTriangle).enter().append("path").attr("class", "lineSelection").attr("d", symbol().type(function (d) { + return d.type; + }).size(function (d) { + return d.size; + })).attr("transform", function (d) { + return "translate(" + d.x + "," + d.y + ") rotate(" + d.angle + ")"; + }).attr("id", function (d) { + return d.id; + }).style("fill", function (d) { + return d.color; + }).call(drag().on("start", dragstart).on("drag", dragged).on("end", dragend)); + }, - /** - * Highlights segments on the map above given elevation value - */ - _markSegmentsOnMap: function _markSegmentsOnMap(coords) { - if (coords) { - if (coords.length > 1) { - // some other leaflet plugins can't deal with multi-Polylines very well - // therefore multiple single polylines are used here - this._markedSegments = L.featureGroup(); - - var _iterator = _createForOfIteratorHelper(coords), - _step; - - try { - for (_iterator.s(); !(_step = _iterator.n()).done;) { - var linePart = _step.value; - L.polyline(linePart, _objectSpread2(_objectSpread2({}, this._highlightStyle), { - interactive: false - })).addTo(this._markedSegments); + /** + * Highlights segments on the map above given elevation value + */ + _markSegmentsOnMap: function _markSegmentsOnMap(coords) { + if (coords) { + if (coords.length > 1) { + // some other leaflet plugins can't deal with multi-Polylines very well + // therefore multiple single polylines are used here + this._markedSegments = L.featureGroup(); + + var _iterator = _createForOfIteratorHelper(coords), + _step; + + try { + for (_iterator.s(); !(_step = _iterator.n()).done;) { + var linePart = _step.value; + L.polyline(linePart, _objectSpread2(_objectSpread2({}, this._highlightStyle), { + interactive: false + })).addTo(this._markedSegments); + } + } catch (err) { + _iterator.e(err); + } finally { + _iterator.f(); } - } catch (err) { - _iterator.e(err); - } finally { - _iterator.f(); + + this._markedSegments.addTo(this._map).bringToFront(); + } else { + this._markedSegments = L.polyline(coords, this._highlightStyle).addTo(this._map); } + } + }, - this._markedSegments.addTo(this._map).bringToFront(); - } else { - this._markedSegments = L.polyline(coords, this._highlightStyle).addTo(this._map); + /** + * Remove the highlighted segments from the map + */ + _removeMarkedSegmentsOnMap: function _removeMarkedSegmentsOnMap() { + if (this._markedSegments !== undefined) { + this._map.removeLayer(this._markedSegments); } - } - }, + }, - /** - * Remove the highlighted segments from the map - */ - _removeMarkedSegmentsOnMap: function _removeMarkedSegmentsOnMap() { - if (this._markedSegments !== undefined) { - this._map.removeLayer(this._markedSegments); - } - }, + /** + * Defines the ranges and format of x- and y- scales and appends them + */ + _appendScales: function _appendScales() { + var _this = this; - /** - * Defines the ranges and format of x- and y- scales and appends them - */ - _appendScales: function _appendScales() { - var _this = this; + var shortDist = Boolean(this._totalDistance <= 10); + this._x = linear$1().range([0, this._svgWidth]); + this._y = linear$1().range([this._svgHeight, 0]); - var shortDist = Boolean(this._totalDistance <= 10); - this._x = linear$1().range([0, this._svgWidth]); - this._y = linear$1().range([this._svgHeight, 0]); + this._x.domain([0, this._totalDistance]); - this._x.domain([0, this._totalDistance]); + this._y.domain([this._elevationBounds.min, this._elevationBounds.max]); - this._y.domain([this._elevationBounds.min, this._elevationBounds.max]); + this._xAxis = axisBottom().scale(this._x); + + if (shortDist === true) { + this._xAxis.tickFormat(function (d) { + return format(".2f")(d) + (_this.options.imperial ? " mi" : " km"); + }); + } else { + this._xAxis.tickFormat(function (d) { + return format(".0f")(d) + (_this.options.imperial ? " mi" : " km"); + }); + } - this._xAxis = axisBottom().scale(this._x); + this._xAxis.ticks(this.options.xTicks ? Math.pow(2, this.options.xTicks) : Math.round(this._svgWidth / 75), "s"); - if (shortDist === true) { - this._xAxis.tickFormat(function (d) { - return format(".2f")(d) + (_this.options.imperial ? " mi" : " km"); - }); - } else { - this._xAxis.tickFormat(function (d) { - return format(".0f")(d) + (_this.options.imperial ? " mi" : " km"); + this._yAxis = axisLeft().scale(this._y).tickFormat(function (d) { + return d + (_this.options.imperial ? " ft" : " m"); }); - } - this._xAxis.ticks(this.options.xTicks ? Math.pow(2, this.options.xTicks) : Math.round(this._svgWidth / 75), "s"); + this._yAxis.ticks(this.options.yTicks ? Math.pow(2, this.options.yTicks) : Math.round(this._svgHeight / 30), "s"); + }, - this._yAxis = axisLeft().scale(this._y).tickFormat(function (d) { - return d + (_this.options.imperial ? " ft" : " m"); - }); + /** + * Appends a background and adds mouse handlers + */ + _appendBackground: function _appendBackground() { + var background = this._background = select(this._container).select("svg").select("g").append("rect").attr("width", this._svgWidth).attr("height", this._svgHeight).style("fill", "none").style("stroke", "none").style("pointer-events", "all").on("mousemove.focusbox", this._mousemoveHandler.bind(this)).on("mouseout.focusbox", this._mouseoutHandler.bind(this)); - this._yAxis.ticks(this.options.yTicks ? Math.pow(2, this.options.yTicks) : Math.round(this._svgHeight / 30), "s"); - }, + if (L.Browser.android) { + background.on("touchstart.drag", this._dragHandler.bind(this)).on("touchstart.drag", this._dragStartHandler.bind(this)).on("touchstart.focusbox", this._mousemoveHandler.bind(this)); + L.DomEvent.on(this._container, 'touchend', this._dragEndHandler, this); + } else { + background.on("mousemove.focusbox", this._mousemoveHandler.bind(this)).on("mouseout.focusbox", this._mouseoutHandler.bind(this)).on("mousedown.drag", this._dragStartHandler.bind(this)).on("mousemove.drag", this._dragHandler.bind(this)); + L.DomEvent.on(this._container, 'mouseup', this._dragEndHandler, this); + } + }, - /** - * Appends a background and adds mouse handlers - */ - _appendBackground: function _appendBackground() { - var background = this._background = select(this._container).select("svg").select("g").append("rect").attr("width", this._svgWidth).attr("height", this._svgHeight).style("fill", "none").style("stroke", "none").style("pointer-events", "all").on("mousemove.focusbox", this._mousemoveHandler.bind(this)).on("mouseout.focusbox", this._mouseoutHandler.bind(this)); + /** + * Appends a grid to the graph + */ + _appendGrid: function _appendGrid() { + this._svg.append("g").attr("class", "grid").attr("transform", "translate(0," + this._svgHeight + ")").call(this._make_x_axis().tickSize(-this._svgHeight, 0, 0).ticks(Math.round(this._svgWidth / 75)).tickFormat("")); - if (L.Browser.android) { - background.on("touchstart.drag", this._dragHandler.bind(this)).on("touchstart.drag", this._dragStartHandler.bind(this)).on("touchstart.focusbox", this._mousemoveHandler.bind(this)); - L.DomEvent.on(this._container, 'touchend', this._dragEndHandler, this); - } else { - background.on("mousemove.focusbox", this._mousemoveHandler.bind(this)).on("mouseout.focusbox", this._mouseoutHandler.bind(this)).on("mousedown.drag", this._dragStartHandler.bind(this)).on("mousemove.drag", this._dragHandler.bind(this)); - L.DomEvent.on(this._container, 'mouseup', this._dragEndHandler, this); - } - }, + this._svg.append("g").attr("class", "grid").call(this._make_y_axis().tickSize(-this._svgWidth, 0, 0).ticks(Math.round(this._svgHeight / 30)).tickFormat("")); - /** - * Appends a grid to the graph - */ - _appendGrid: function _appendGrid() { - this._svg.append("g").attr("class", "grid").attr("transform", "translate(0," + this._svgHeight + ")").call(this._make_x_axis().tickSize(-this._svgHeight, 0, 0).ticks(Math.round(this._svgWidth / 75)).tickFormat("")); + this._svg.append('g').attr("transform", "translate(0," + this._svgHeight + ")").attr('class', 'x axis').call(this._xAxis); - this._svg.append("g").attr("class", "grid").call(this._make_y_axis().tickSize(-this._svgWidth, 0, 0).ticks(Math.round(this._svgHeight / 30)).tickFormat("")); + this._svg.append('g').attr("transform", "translate(-2,0)").attr('class', 'y axis').call(this._yAxis); + }, - this._svg.append('g').attr("transform", "translate(0," + this._svgHeight + ")").attr('class', 'x axis').call(this._xAxis); + /** + * Appends the areas to the graph + */ + _appendAreas: function _appendAreas(block, idx, eleIdx) { + var c = this._categories[idx].attributes[eleIdx].color; + var self = this; + var area = this._area = d3Area().x(function (d) { + var xDiagonalCoordinate = self._x(d.position); + + d.xDiagonalCoordinate = xDiagonalCoordinate; + return xDiagonalCoordinate; + }).y0(this._svgHeight).y1(function (d) { + return self._y(d.altitude); + }).curve(curveLinear); + this._areapath = this._svg.append("path").attr("class", "area"); + + this._areapath.datum(block).attr("d", this._area).attr("stroke", c).styles(this._graphStyle).style("fill", c).style("pointer-events", "none"); + }, + // grid lines in x axis function + _make_x_axis: function _make_x_axis() { + return axisBottom().scale(this._x); + }, + // grid lines in y axis function + _make_y_axis: function _make_y_axis() { + return axisLeft().scale(this._y); + }, - this._svg.append('g').attr("transform", "translate(-2,0)").attr('class', 'y axis').call(this._yAxis); - }, + /** + * Appends a selection box for different blocks + */ + _createSelectionBox: function _createSelectionBox() { + var self = this; + var svg = select(this._container).select("svg"); + var width = this._width - this._margin.right, + height = this._height - this._margin.bottom; + var verticalItemPosition = height + this._margin.bottom / 2 + 6; + var jsonTriangles = [{ + "x": width - 25, + "y": verticalItemPosition + 3, + "color": "#000", + "type": symbolTriangle, + "id": "leftArrowSelection", + "angle": 0 + }, { + "x": width - 10, + "y": verticalItemPosition, + "color": "#000", + "type": symbolTriangle, + "id": "rightArrowSelection", + "angle": 180 + }]; // Use update pattern to update existing symbols in case of resize + + var selectionSign = svg.selectAll(".select-symbol").data(jsonTriangles); // remove any existing selection first + + selectionSign.remove(); // select again + + selectionSign = svg.selectAll(".select-symbol").data(jsonTriangles); // then add only if needed + + if (self._data.length > 1) { + selectionSign.enter().append("path").merge(selectionSign).attr("class", "select-symbol").attr("d", symbol().type(function (d) { + return d.type; + })).attr("transform", function (d) { + return "translate(" + d.x + "," + d.y + ") rotate(" + d.angle + ")"; + }).attr("id", function (d) { + return d.id; + }).style("fill", function (d) { + return d.color; + }).on("mousedown", function (d) { + if (d.id === "rightArrowSelection") arrowRight(); + if (d.id === "leftArrowSelection") arrowLeft(); // fake a drag event from cache values to keep selection + + self._gotDragged = true; + self._dragStartCoords = self._dragCache.start; + self._dragCurrentCoords = self._dragCache.end; + }); + } - /** - * Appends the areas to the graph - */ - _appendAreas: function _appendAreas(block, idx, eleIdx) { - var c = this._categories[idx].attributes[eleIdx].color; - var self = this; - var area = this._area = d3Area().x(function (d) { - var xDiagonalCoordinate = self._x(d.position); - - d.xDiagonalCoordinate = xDiagonalCoordinate; - return xDiagonalCoordinate; - }).y0(this._svgHeight).y1(function (d) { - return self._y(d.altitude); - }).curve(curveLinear); - this._areapath = this._svg.append("path").attr("class", "area"); - - this._areapath.datum(block).attr("d", this._area).attr("stroke", c).styles(this._graphStyle).style("fill", c).style("pointer-events", "none"); - }, - // grid lines in x axis function - _make_x_axis: function _make_x_axis() { - return axisBottom().scale(this._x); - }, - // grid lines in y axis function - _make_y_axis: function _make_y_axis() { - return axisLeft().scale(this._y); - }, + var chooseSelection = function chooseSelection(id) { + if (self._selectionText) self._selectionText.remove(); // after cleaning up, there is nothing left to do if there is no data - /** - * Appends a selection box for different blocks - */ - _createSelectionBox: function _createSelectionBox() { - var self = this; - var svg = select(this._container).select("svg"); - var width = this._width - this._margin.right, - height = this._height - this._margin.bottom; - var verticalItemPosition = height + this._margin.bottom / 2 + 6; - var jsonTriangles = [{ - "x": width - 25, - "y": verticalItemPosition + 3, - "color": "#000", - "type": symbolTriangle, - "id": "leftArrowSelection", - "angle": 0 - }, { - "x": width - 10, - "y": verticalItemPosition, - "color": "#000", - "type": symbolTriangle, - "id": "rightArrowSelection", - "angle": 180 - }]; // Use update pattern to update existing symbols in case of resize - - var selectionSign = svg.selectAll(".select-symbol").data(jsonTriangles); // remove any existing selection first - - selectionSign.remove(); // select again - - selectionSign = svg.selectAll(".select-symbol").data(jsonTriangles); // then add only if needed - - if (self._data.length > 1) { - selectionSign.enter().append("path").merge(selectionSign).attr("class", "select-symbol").attr("d", symbol().type(function (d) { - return d.type; - })).attr("transform", function (d) { - return "translate(" + d.x + "," + d.y + ") rotate(" + d.angle + ")"; - }).attr("id", function (d) { - return d.id; - }).style("fill", function (d) { - return d.color; - }).on("mousedown", function (d) { - if (d.id === "rightArrowSelection") arrowRight(); - if (d.id === "leftArrowSelection") arrowLeft(); // fake a drag event from cache values to keep selection + if (self._categories.length === 0) return; + var type = self._categories[id].info; - self._gotDragged = true; - self._dragStartCoords = self._dragCache.start; - self._dragCurrentCoords = self._dragCache.end; - }); - } + if (typeof self.options.chooseSelectionCallback === "function") { + self.options.chooseSelectionCallback(id, type); + } - var chooseSelection = function chooseSelection(id) { - if (self._selectionText) self._selectionText.remove(); // after cleaning up, there is nothing left to do if there is no data + var data = [{ + "selection": type.text + }]; + self._selectionText = svg.selectAll('selection_text').data(data).enter().append('text').attr("x", width - 35).attr("y", verticalItemPosition + 4).text(function (d) { + return d.selection; + }).attr("class", "select-info").attr("id", "selectionText").attr("text-anchor", "end"); + }; - if (self._categories.length === 0) return; - var type = self._categories[id].info; + chooseSelection(this.options.selectedAttributeIdx); - if (typeof self.options.chooseSelectionCallback === "function") { - self.options.chooseSelectionCallback(id, type); - } + var arrowRight = function arrowRight() { + var idx = self.options.selectedAttributeIdx += 1; - var data = [{ - "selection": type.text - }]; - self._selectionText = svg.selectAll('selection_text').data(data).enter().append('text').attr("x", width - 35).attr("y", verticalItemPosition + 4).text(function (d) { - return d.selection; - }).attr("class", "select-info").attr("id", "selectionText").attr("text-anchor", "end"); - }; + if (idx === self._categories.length) { + self.options.selectedAttributeIdx = idx = 0; + } - chooseSelection(this.options.selectedAttributeIdx); + chooseSelection(idx); - var arrowRight = function arrowRight() { - var idx = self.options.selectedAttributeIdx += 1; + self._removeChart(); - if (idx === self._categories.length) { - self.options.selectedAttributeIdx = idx = 0; - } + self._removeMarkedSegmentsOnMap(); - chooseSelection(idx); + self._createChart(idx); + }; - self._removeChart(); + var arrowLeft = function arrowLeft() { + var idx = self.options.selectedAttributeIdx -= 1; - self._removeMarkedSegmentsOnMap(); + if (idx === -1) { + self.options.selectedAttributeIdx = idx = self._categories.length - 1; + } - self._createChart(idx); - }; + chooseSelection(idx); - var arrowLeft = function arrowLeft() { - var idx = self.options.selectedAttributeIdx -= 1; + self._removeChart(); - if (idx === -1) { - self.options.selectedAttributeIdx = idx = self._categories.length - 1; - } + self._removeMarkedSegmentsOnMap(); - chooseSelection(idx); + self._createChart(idx); + }; + }, - self._removeChart(); + /** + * Creates and appends legend to chart + */ + _createLegend: function _createLegend() { + var _this2 = this; - self._removeMarkedSegmentsOnMap(); + var self = this; + var data = []; - self._createChart(idx); - }; - }, + if (this._categories.length > 0) { + for (var item in this._categories[this.options.selectedAttributeIdx].legend) { + data.push(this._categories[this.options.selectedAttributeIdx].legend[item]); + } + } - /** - * Creates and appends legend to chart - */ - _createLegend: function _createLegend() { - var _this2 = this; + var height = this._height - this._margin.bottom; + var verticalItemPosition = height + this._margin.bottom / 2; + var leg = [{ + "text": this._getTranslation("legend") + }]; + var legendRectSize = 7; + var legendSpacing = 7; + + var legend = this._svg.selectAll(".hlegend-hover").data(data).enter().append("g").attr("class", "legend").style("display", "none").attr("transform", function (d, i) { + var height = legendRectSize + legendSpacing; + var offset = height * 2; + var horizontal = legendRectSize - 15; + var vertical = i * height - offset; + return "translate(" + horizontal + "," + vertical + ")"; + }); - var self = this; - var data = []; + var legendRect = legend.append('rect').attr('class', 'legend-rect').attr('x', 15).attr('y', 6 * 6).attr('width', 6).attr('height', 6); - if (this._categories.length > 0) { - for (var item in this._categories[this.options.selectedAttributeIdx].legend) { - data.push(this._categories[this.options.selectedAttributeIdx].legend[item]); + if (Object.keys(this._graphStyle).length !== 0) { + legendRect.styles(this._graphStyle).style('stroke', function (d, i) { + return d.color; + }).style('fill', function (d, i) { + return d.color; + }); + } else { + legendRect.style('stroke', 'black').style('fill', function (d, i) { + return d.color; + }); } - } - var height = this._height - this._margin.bottom; - var verticalItemPosition = height + this._margin.bottom / 2; - var leg = [{ - "text": this._getTranslation("legend") - }]; - var legendRectSize = 7; - var legendSpacing = 7; - - var legend = this._svg.selectAll(".hlegend-hover").data(data).enter().append("g").attr("class", "legend").style("display", "none").attr("transform", function (d, i) { - var height = legendRectSize + legendSpacing; - var offset = height * 2; - var horizontal = legendRectSize - 15; - var vertical = i * height - offset; - return "translate(" + horizontal + "," + vertical + ")"; - }); - - var legendRect = legend.append('rect').attr('class', 'legend-rect').attr('x', 15).attr('y', 6 * 6).attr('width', 6).attr('height', 6); - - if (Object.keys(this._graphStyle).length !== 0) { - legendRect.styles(this._graphStyle).style('stroke', function (d, i) { - return d.color; - }).style('fill', function (d, i) { - return d.color; - }); - } else { - legendRect.style('stroke', 'black').style('fill', function (d, i) { - return d.color; + legend.append('text').attr('class', 'legend-text').attr('x', 30).attr('y', 6 * 7).text(function (d, i) { + var textProp = d.text; + self._boxBoundY = (height - 2 * height / 3 + 7) * i; + return textProp; }); - } - legend.append('text').attr('class', 'legend-text').attr('x', 30).attr('y', 6 * 7).text(function (d, i) { - var textProp = d.text; - self._boxBoundY = (height - 2 * height / 3 + 7) * i; - return textProp; - }); + var legendHover = this._svg.selectAll('.legend-hover').data(leg).enter().append('g').attr('class', 'legend-hover'); - var legendHover = this._svg.selectAll('.legend-hover').data(leg).enter().append('g').attr('class', 'legend-hover'); + this._showLegend = false; + legendHover.append('text').attr('x', 15).attr('y', verticalItemPosition).attr('text-anchor', "start").text(function (d, i) { + return d.text; + }).on('mouseover', function () { + selectAll('.legend').style("display", "block"); + }).on('mouseleave', function () { + if (!_this2._showLegend) { + selectAll('.legend').style("display", "none"); + } + }).on('click', function () { + _this2._showLegend = !_this2._showLegend; + }); + }, - this._showLegend = false; - legendHover.append('text').attr('x', 15).attr('y', verticalItemPosition).attr('text-anchor', "start").text(function (d, i) { - return d.text; - }).on('mouseover', function () { - selectAll('.legend').style("display", "block"); - }).on('mouseleave', function () { - if (!_this2._showLegend) { - selectAll('.legend').style("display", "none"); + /** + * calculates the margins of boxes + * @param {String} className: name of the class + * @return {array} borders: number of text lines, widest range of text + */ + _dynamicBoxSize: function _dynamicBoxSize(className) { + var cnt = selectAll(className).nodes().length; + var widths = []; + + for (var i = 0; i < cnt; i++) { + widths.push(selectAll(className).nodes()[i].getBoundingClientRect().width); } - }).on('click', function () { - _this2._showLegend = !_this2._showLegend; - }); - }, - - /** - * calculates the margins of boxes - * @param {String} className: name of the class - * @return {array} borders: number of text lines, widest range of text - */ - _dynamicBoxSize: function _dynamicBoxSize(className) { - var cnt = selectAll(className).nodes().length; - var widths = []; - - for (var i = 0; i < cnt; i++) { - widths.push(selectAll(className).nodes()[i].getBoundingClientRect().width); - } - var maxWidth = d3Max(widths); - return [cnt, maxWidth]; - }, + var maxWidth = d3Max(widths); + return [cnt, maxWidth]; + }, - /** - * Creates top border line on graph - */ - _createBorderTopLine: function _createBorderTopLine() { - var self = this; - var data = this._areasFlattended; - var borderTopLine = line().x(function (d) { - var x = self._x; - return x(d.position); - }).y(function (d) { - var y = self._y; - return y(d.altitude); - }).curve(curveBasis); - - this._svg.append("svg:path").attr("d", borderTopLine(data)).attr('class', 'border-top'); - }, + /** + * Creates top border line on graph + */ + _createBorderTopLine: function _createBorderTopLine() { + var self = this; + var data = this._areasFlattended; + var borderTopLine = line().x(function (d) { + var x = self._x; + return x(d.position); + }).y(function (d) { + var y = self._y; + return y(d.altitude); + }).curve(curveBasis); + + this._svg.append("svg:path").attr("d", borderTopLine(data)).attr('class', 'border-top'); + }, - /* - * Handles the mouseout event when the mouse leaves the background - */ - _mouseoutHandler: function _mouseoutHandler() { - for (var _i = 0, _arr = ['_focusLine', '_focus', '_pointG', '_mouseHeightFocus', '_mouseHeightFocusLabel']; _i < _arr.length; _i++) { - var param = _arr[_i]; + /* + * Handles the mouseout event when the mouse leaves the background + */ + _mouseoutHandler: function _mouseoutHandler() { + for (var _i = 0, _arr = ['_focusLine', '_focus', '_pointG', '_mouseHeightFocus', '_mouseHeightFocusLabel']; _i < _arr.length; _i++) { + var param = _arr[_i]; - if (this[param]) { - this[param].style('display', 'none'); + if (this[param]) { + this[param].style('display', 'none'); + } } - } - }, + }, - /* - * Handles the mouseout event and clears the current point info. - * @param {int} delay - time before markers are removed in milliseconds - */ - mapMouseoutHandler: function mapMouseoutHandler() { - var _this3 = this; + /* + * Handles the mouseout event and clears the current point info. + * @param {int} delay - time before markers are removed in milliseconds + */ + mapMouseoutHandler: function mapMouseoutHandler() { + var _this3 = this; - var delay = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1000; + var delay = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1000; - if (this.mouseoutDelay) { - window.clearTimeout(this.mouseoutDelay); - } + if (this.mouseoutDelay) { + window.clearTimeout(this.mouseoutDelay); + } - this.mouseoutDelay = window.setTimeout(function () { - _this3._mouseoutHandler(); - }, delay); - }, + this.mouseoutDelay = window.setTimeout(function () { + _this3._mouseoutHandler(); + }, delay); + }, - /* - * Handles the mouseover the map and displays distance and altitude level. - * Since this does a lookup of the point on the graph - * the closest to the given latlng on the provided event, it could be slow. - */ - mapMousemoveHandler: function mapMousemoveHandler(event) { - var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, - _ref$showMapMarker = _ref.showMapMarker, - showMapMarker = _ref$showMapMarker === void 0 ? true : _ref$showMapMarker; - - if (this._areasFlattended === false) { - return; - } // initialize the vars for the closest item calculation + /* + * Handles the mouseover the map and displays distance and altitude level. + * Since this does a lookup of the point on the graph + * the closest to the given latlng on the provided event, it could be slow. + */ + mapMousemoveHandler: function mapMousemoveHandler(event) { + var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, + _ref$showMapMarker = _ref.showMapMarker, + showMapMarker = _ref$showMapMarker === void 0 ? true : _ref$showMapMarker; + if (this._areasFlattended === false) { + return; + } // initialize the vars for the closest item calculation - var closestItem = null; // large enough to be trumped by any point on the chart - var closestDistance = 2 * Math.pow(100, 2); // consider a good enough match if the given point (lat and lng) is within - // 1.1 meters of a point on the chart (there are 111,111 meters in a degree) + var closestItem = null; // large enough to be trumped by any point on the chart - var exactMatchRounding = 1.1 / 111111; + var closestDistance = 2 * Math.pow(100, 2); // consider a good enough match if the given point (lat and lng) is within + // 1.1 meters of a point on the chart (there are 111,111 meters in a degree) - var _iterator2 = _createForOfIteratorHelper(this._areasFlattended), - _step2; + var exactMatchRounding = 1.1 / 111111; - try { - for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) { - var item = _step2.value; - var latDiff = event.latlng.lat - item.latlng.lat; - var lngDiff = event.latlng.lng - item.latlng.lng; // first check for an almost exact match; it's simple and avoid further calculations + var _iterator2 = _createForOfIteratorHelper(this._areasFlattended), + _step2; - if (Math.abs(latDiff) < exactMatchRounding && Math.abs(lngDiff) < exactMatchRounding) { - this._internalMousemoveHandler(item, showMapMarker); + try { + for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) { + var item = _step2.value; + var latDiff = event.latlng.lat - item.latlng.lat; + var lngDiff = event.latlng.lng - item.latlng.lng; // first check for an almost exact match; it's simple and avoid further calculations - break; - } // calculate the squared distance from the current to the given; - // it's the squared distance, to avoid the expensive square root + if (Math.abs(latDiff) < exactMatchRounding && Math.abs(lngDiff) < exactMatchRounding) { + this._internalMousemoveHandler(item, showMapMarker); + + break; + } // calculate the squared distance from the current to the given; + // it's the squared distance, to avoid the expensive square root - var distance = Math.pow(latDiff, 2) + Math.pow(lngDiff, 2); + var distance = Math.pow(latDiff, 2) + Math.pow(lngDiff, 2); - if (distance < closestDistance) { - closestItem = item; - closestDistance = distance; + if (distance < closestDistance) { + closestItem = item; + closestDistance = distance; + } } + } catch (err) { + _iterator2.e(err); + } finally { + _iterator2.f(); } - } catch (err) { - _iterator2.e(err); - } finally { - _iterator2.f(); - } - if (closestItem) this._internalMousemoveHandler(closestItem, showMapMarker); - }, + if (closestItem) this._internalMousemoveHandler(closestItem, showMapMarker); + }, - /* - * Handles the mouseover the chart and displays distance and altitude level - */ - _mousemoveHandler: function _mousemoveHandler(d, i, ctx) { - var coords = mouse(this._svg.node()); + /* + * Handles the mouseover the chart and displays distance and altitude level + */ + _mousemoveHandler: function _mousemoveHandler(d, i, ctx) { + var coords = mouse(this._svg.node()); - var item = this._areasFlattended[this._findItemForX(coords[0])]; + var item = this._areasFlattended[this._findItemForX(coords[0])]; - if (item) this._internalMousemoveHandler(item); - }, + if (item) this._internalMousemoveHandler(item); + }, - /* - * Handles the mouseover, given the current item the mouse is over - */ - _internalMousemoveHandler: function _internalMousemoveHandler(item) { - var showMapMarker = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true; - var areaLength; - var alt = item.altitude, - dist = item.position, - ll = item.latlng, - areaIdx = item.areaIdx, - type = item.type; - var boxWidth = this._dynamicBoxSize(".focusbox text")[1] + 10; - - if (areaIdx === 0) { - areaLength = this._categories[this.options.selectedAttributeIdx].distances[areaIdx]; - } else { - areaLength = this._categories[this.options.selectedAttributeIdx].distances[areaIdx] - this._categories[this.options.selectedAttributeIdx].distances[areaIdx - 1]; - } + /* + * Handles the mouseover, given the current item the mouse is over + */ + _internalMousemoveHandler: function _internalMousemoveHandler(item) { + var showMapMarker = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true; + var areaLength; + var alt = item.altitude, + dist = item.position, + ll = item.latlng, + areaIdx = item.areaIdx, + type = item.type; + var boxWidth = this._dynamicBoxSize(".focusbox text")[1] + 10; + + if (areaIdx === 0) { + areaLength = this._categories[this.options.selectedAttributeIdx].distances[areaIdx]; + } else { + areaLength = this._categories[this.options.selectedAttributeIdx].distances[areaIdx] - this._categories[this.options.selectedAttributeIdx].distances[areaIdx - 1]; + } - if (showMapMarker) { - this._showMapMarker(ll, alt, type); - } + if (showMapMarker) { + this._showMapMarker(ll, alt, type); + } - this._distTspan.text(" " + dist.toFixed(1) + (this.options.imperial ? " mi" : " km")); + this._distTspan.text(" " + dist.toFixed(1) + (this.options.imperial ? " mi" : " km")); - this._altTspan.text(" " + alt + (this.options.imperial ? " ft" : " m")); + this._altTspan.text(" " + alt.toFixed(1) + (this.options.imperial ? " ft" : " m")); - this._areaTspan.text(" " + areaLength.toFixed(1) + (this.options.imperial ? " mi" : " km")); + this._areaTspan.text(" " + areaLength.toFixed(1) + (this.options.imperial ? " mi" : " km")); - this._typeTspan.text(" " + type); + this._typeTspan.text(" " + type); - this._focusRect.attr("width", boxWidth); + this._focusRect.attr("width", boxWidth); - this._focusLine.style("display", "block").attr('x1', this._x(dist)).attr('x2', this._x(dist)); + this._focusLine.style("display", "block").attr('x1', this._x(dist)).attr('x2', this._x(dist)); - var xPositionBox = this._x(dist) - (boxWidth + 5); - var totalWidth = this._width - this._margin.left - this._margin.right; + var xPositionBox = this._x(dist) - (boxWidth + 5); + var totalWidth = this._width - this._margin.left - this._margin.right; - if (this._x(dist) + boxWidth < totalWidth) { - this._focus.style("display", "initial").attr("transform", "translate(" + this._x(dist) + "," + this._y(this._elevationBounds.min) + ")"); - } + if (this._x(dist) + boxWidth < totalWidth) { + this._focus.style("display", "initial").attr("transform", "translate(" + this._x(dist) + "," + this._y(this._elevationBounds.min) + ")"); + } - if (this._x(dist) + boxWidth > totalWidth) { - this._focus.style("display", "initial").attr("transform", "translate(" + xPositionBox + "," + this._y(this._elevationBounds.min) + ")"); - } - }, + if (this._x(dist) + boxWidth > totalWidth) { + this._focus.style("display", "initial").attr("transform", "translate(" + xPositionBox + "," + this._y(this._elevationBounds.min) + ")"); + } + }, - /* - * Finds a data entry for a given x-coordinate of the diagram - */ - _findItemForX: function _findItemForX(x) { - var bisect = bisector(function (d) { - return d.position; - }).left; + /* + * Finds a data entry for a given x-coordinate of the diagram + */ + _findItemForX: function _findItemForX(x) { + var bisect = bisector(function (d) { + return d.position; + }).left; - var xInvert = this._x.invert(x); + var xInvert = this._x.invert(x); - return bisect(this._areasFlattended, xInvert); - }, + return bisect(this._areasFlattended, xInvert); + }, - /* - * Finds data entries above a given y-elevation value and returns geo-coordinates - */ - _findCoordsForY: function _findCoordsForY(y) { - var bisect = function bisect(b, yInvert) { - //save indexes of elevation values above the horizontal line - var list = []; - - for (var i = 0; i < b.length; i++) { - if (b[i].altitude >= yInvert) { - list.push(i); - } - } //split index list into coherent blocks of coordinates + /* + * Finds data entries above a given y-elevation value and returns geo-coordinates + */ + _findCoordsForY: function _findCoordsForY(y) { + var bisect = function bisect(b, yInvert) { + //save indexes of elevation values above the horizontal line + var list = []; + + for (var i = 0; i < b.length; i++) { + if (b[i].altitude >= yInvert) { + list.push(i); + } + } //split index list into coherent blocks of coordinates - var newList = []; - var start = 0; + var newList = []; + var start = 0; - for (var j = 0; j < list.length - 1; j++) { - if (list[j + 1] !== list[j] + 1) { - newList.push(list.slice(start, j + 1)); - start = j + 1; + for (var j = 0; j < list.length - 1; j++) { + if (list[j + 1] !== list[j] + 1) { + newList.push(list.slice(start, j + 1)); + start = j + 1; + } } - } - newList.push(list.slice(start, list.length)); //get lat lon coordinates based on indexes + newList.push(list.slice(start, list.length)); //get lat lon coordinates based on indexes - for (var k = 0; k < newList.length; k++) { - for (var l = 0; l < newList[k].length; l++) { - newList[k][l] = b[newList[k][l]].latlng; + for (var k = 0; k < newList.length; k++) { + for (var l = 0; l < newList[k].length; l++) { + newList[k][l] = b[newList[k][l]].latlng; + } } - } - return newList; - }; + return newList; + }; - var yInvert = this._y.invert(y); + var yInvert = this._y.invert(y); - return bisect(this._areasFlattended, yInvert); - }, + return bisect(this._areasFlattended, yInvert); + }, - /* - * Checks the user passed translations, if they don't exist, fallback to the default translations - */ - _getTranslation: function _getTranslation(key) { - if (this.options.translation[key]) return this.options.translation[key]; - if (this._defaultTranslation[key]) return this._defaultTranslation[key]; - console.error("Unexpected error when looking up the translation for " + key); - return 'No translation found'; - }, + /* + * Checks the user passed translations, if they don't exist, fallback to the default translations + */ + _getTranslation: function _getTranslation(key) { + if (this.options.translation[key]) return this.options.translation[key]; + if (this._defaultTranslation[key]) return this._defaultTranslation[key]; + console.error("Unexpected error when looking up the translation for " + key); + return 'No translation found'; + }, - /* - * Converts kilometers to miles - */ - _toMiles: function _toMiles(km) { - return km / 1.609344; - }, + /* + * Converts kilometers to miles + */ + _toMiles: function _toMiles(km) { + return km / 1.609344; + }, - /* - * Converts meters to feet - */ - _toFeet: function _toFeet(m) { - return m * 3.280839895; - } - }); + /* + * Converts meters to feet + */ + _toFeet: function _toFeet(m) { + return m * 3.280839895; + } + }); - L.control.heightgraph = function (options) { - return new L.Control.Heightgraph(options); - }; + L.control.heightgraph = function (options) { + return new L.Control.Heightgraph(options); + }; + + return L.Control.Heightgraph; + }, window); - return L.Control.Heightgraph; -}, window); +}()); diff --git a/dist/L.Control.Heightgraph.min.js b/dist/L.Control.Heightgraph.min.js index b316f42..b19ea87 100644 --- a/dist/L.Control.Heightgraph.min.js +++ b/dist/L.Control.Heightgraph.min.js @@ -1 +1 @@ -!function(){"use strict";function t(n){return(t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(n)}function n(t,n,e){return n in 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