7 lines
70 KiB
JavaScript
7 lines
70 KiB
JavaScript
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/*
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@preserve Leaflet Data Visualization Framework, a JavaScript library for creating thematic maps using Leaflet
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(c) 2013, Scott Fairgrieve, HumanGeo
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*/
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L.LinearFunction=L.Class.extend({initialize:function(t,e,i){this.setOptions(i),this.setRange(t,e)},_calculateParameters:function(t,e){0===this._xRange?(this._slope=0,this._b=t.y):(this._slope=(e.y-t.y)/this._xRange,this._b=t.y-this._slope*t.x)},_arrayToPoint:function(t){return{x:t[0],y:t[1]}},setOptions:function(t){L.Util.setOptions(this,t),this._preProcess=this.options.preProcess,this._postProcess=this.options.postProcess},getBounds:function(){var t=Math.min(this._minPoint.x,this._maxPoint.x),e=Math.max(this._minPoint.x,this._maxPoint.x),i=Math.min(this._minPoint.y,this._maxPoint.y),n=Math.max(this._minPoint.y,this._maxPoint.y);return[new L.Point(t,i),new L.Point(e,n)]},setRange:function(t,e){return t=t instanceof Array?this._arrayToPoint(t):t,e=e instanceof Array?this._arrayToPoint(e):e,this._minPoint=t,this._maxPoint=e,this._xRange=e.x-t.x,this._calculateParameters(t,e),this},setMin:function(t){return this.setRange(t,this._maxPoint),this},setMax:function(t){return this.setRange(this._minPoint,t),this},setPreProcess:function(t){return this._preProcess=t,this},setPostProcess:function(t){return this._postProcess=t,this},evaluate:function(t){var e;return this._preProcess&&(t=this._preProcess(t)),e=Number((this._slope*t).toFixed(6))+Number(this._b.toFixed(6)),this._postProcess&&(e=this._postProcess(e)),e},random:function(){var t=Math.random()*this._xRange+this._minPoint.x;return this.evaluate(t)},sample:function(t){t=Math.max(t,2);for(var e=t-1,i=this._xRange/e,n=this._minPoint.x,a=[];this._maxPoint.x>=n;)a.push(this.evaluate(n)),n+=i;return a},samplePoints:function(t){t=Math.max(t,2);for(var e=t-1,i=this._xRange/e,n=this._minPoint.x,a=[];this._maxPoint.x>=n;)a.push(new L.Point(n,this.evaluate(n))),n+=i;return a},getIntersectionPoint:function(t){var e=null;if(this._slope!==t._slope){var i=(this._b-t._b)/(t._slope-this._slope),n=this.evaluate(i);e=new L.Point(i,n)}return e}}),L.ColorFunction=L.LinearFunction.extend({options:{alpha:1,includeAlpha:!1},initialize:function(t,e,i){L.Util.setOptions(this,i),this._parts=[],this._dynamicPart=null,this._outputPrecision=0,this._prefix=null,this._formatOutput=function(t){return t.toFixed(this._outputPrecision)},this._mapOutput=function(t){for(var e=[],i=0;this._parts.length>i;++i){var n=this._parts[i];e.push(t[n])}return this.options.includeAlpha&&e.push(this.options.alpha),e},this._getColorString=function(t){t=this._formatOutput(t),this.options[this._dynamicPart]=t;var e=this._mapOutput(this.options);return this._writeColor(this._prefix,e)},this._writeColor=function(t,e){return this.options.includeAlpha&&(t+="a"),t+"("+e.join(",")+")"};var n=function(t){i&&i.postProcess&&(t=i.postProcess.call(this,t));var e=this._getColorString(t);return L.Browser.ie&&e.indexOf("hsl")>-1&&(e=L.hslColor(e).toRGBString()),e};L.LinearFunction.prototype.initialize.call(this,t,e,{preProcess:this.options.preProcess,postProcess:n})}}),L.HSLColorFunction=L.ColorFunction.extend({initialize:function(t,e,i){L.ColorFunction.prototype.initialize.call(this,t,e,i),this._parts=["outputHue","outputSaturation","outputLuminosity"],this._prefix="hsl",this._outputPrecision=2}}),L.RGBColorFunction=L.ColorFunction.extend({initialize:function(t,e,i){L.ColorFunction.prototype.initialize.call(this,t,e,i),this._parts=["outputRed","outputBlue","outputGreen"],this._prefix="rgb",this._outputPrecision=0}}),L.RGBRedFunction=L.LinearFunction.extend({options:{outputGreen:0,outputBlue:0},initialize:function(t,e,i){L.RGBColorFunction.prototype.initialize.call(this,t,e,i),this._dynamicPart="outputRed"}}),L.RGBBlueFunction=L.LinearFunction.extend({options:{outputRed:0,outputGreen:0},initialize:function(t,e,i){L.RGBColorFunction.prototype.initialize.call(this,t,e,i),this._dynamicPart="outputBlue"}}),L.RGBGreenFunction=L.LinearFunction.extend({options:{outputRed:0,outputBlue:0},initialize:function(t,e,i){L.RGBColorFunction.prototype.initialize.call(this,t,e,i),this._dynamicPart="outputGreen"}}),L.RGBColorBlendFunction=L.LinearFunction.extend({initialize:function(t,e,i,n){i=new L.RGBColor(i),n=new L.RGBColor(n);var a=i.r(),o=n.r(),r=i.g(),
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},luminosityPalette:function(t,e,i,n,a){return new L.HSLLuminosityFunction(new L.Point(t,i),new L.Point(e,n),a)},saturationPalette:function(t,e,i,n,a){return new L.HSLSaturationFunction(new L.Point(t,i),new L.Point(e,n),a)},rgbBlendPalette:function(t,e,i,n,a){return new L.RGBColorBlendFunction(t,e,i,n,a)},hslBlendPalette:function(t,e,i,n,a){return new L.HSLColorBlendFunction(t,e,i,n,a)},customColorPalette:function(t,e,i,n){return new L.CustomColorFunction(t,e,i,n)}},L.DynamicColorPalettes={rainbow:{text:"Rainbow",getPalette:function(t,e){return L.Palettes.huePalette(t,e,0,300)}},greentored:{text:"Green - Red",getPalette:function(t,e){return L.Palettes.huePalette(t,e,120,0)}},yellowtored:{text:"Yellow - Red",getPalette:function(t,e){return L.Palettes.huePalette(t,e,60,0)}},orangetored:{text:"Orange - Red",getPalette:function(t,e){return L.Palettes.huePalette(t,e,30,0)}},redtopurple:{text:"Red - Purple",getPalette:function(t,e){return L.Palettes.huePalette(t,e,360,270)}},bluetored:{text:"Blue - Red",getPalette:function(t,e){return L.Palettes.huePalette(t,e,210,360)}},bluetored2:{text:"Blue - Red 2",getPalette:function(t,e){return L.Palettes.huePalette(t,e,180,0)}},whitetored:{text:"White - Red",getPalette:function(t,e){return L.Palettes.luminosityPalette(t,e,1,.5,{outputHue:0})}},whitetoorange:{text:"White - Orange",getPalette:function(t,e){return L.Palettes.luminosityPalette(t,e,1,.5,{outputHue:30})}},whitetoyellow:{text:"White - Yellow",getPalette:function(t,e){return L.Palettes.luminosityPalette(t,e,1,.5,{outputHue:60})}},whitetogreen:{text:"White - Green",getPalette:function(t,e){return L.Palettes.luminosityPalette(t,e,1,.5,{outputHue:120})}},whitetoltblue:{text:"White - Lt. Blue",getPalette:function(t,e){return L.Palettes.luminosityPalette(t,e,1,.5,{outputHue:180})}},whitetoblue:{text:"White - Blue",getPalette:function(t,e){return L.Palettes.luminosityPalette(t,e,1,.5,{outputHue:240})}},whitetopurple:{text:"White - Purple",getPalette:function(t,e){return L.Palettes.luminosityPalette(t,e,1,.5,{outputHue:270})}},graytored:{text:"Gray - Red",getPalette:function(t,e){return L.Palettes.saturationPalette(t,e,0,1,{outputHue:0})}},graytoorange:{text:"Gray - Orange",getPalette:function(t,e){return L.Palettes.saturationPalette(t,e,0,1,{outputHue:30})}},graytoyellow:{text:"Gray - Yellow",getPalette:function(t,e){return L.Palettes.saturationPalette(t,e,0,1,{outputHue:60})}},graytogreen:{text:"Gray - Green",getPalette:function(t,e){return L.Palettes.saturationPalette(t,e,0,1,{outputHue:120})}},graytoltblue:{text:"Gray - Lt. Blue",getPalette:function(t,e){return L.Palettes.saturationPalette(t,e,0,1,{outputHue:180})}},graytoblue:{text:"Gray - Blue",getPalette:function(t,e){return L.Palettes.saturationPalette(t,e,0,1,{outputHue:240})}},graytopurple:{text:"Gray - Purple",getPalette:function(t,e){return L.Palettes.saturationPalette(t,e,0,1,{outputHue:270})}}},L.DynamicPaletteElement=L.Class.extend({initialize:function(t,e){this._key=t,this._dynamicPalette=e},generate:function(t){var e=L.DomUtil.create("div","palette"),i=t.count,n=this._dynamicPalette.getPalette(0,i-1),a=t.width,o=!0;void 0!=t.showText&&(o=t.showText),e.setAttribute("data-palette-key",this._key),this._dynamicPalette.text&&o&&(L.DomUtil.create("div","palette-text",e).innerHTML='<i class="icon-ok hidden"></i>'+this._dynamicPalette.text);var r=a/i;t.className&&L.DomUtil.addClass(e,t.className);for(var s=0;i>s;++s){var s=L.DomUtil.create("i","palette-element");for(var f in n){var d=n[f],c=d.evaluate?d.evaluate(s):d;L.StyleConverter.setCSSProperty(s,f,c)}s.style.width=r+"px",e.appendChild(s)}return e}}),L.Path.XLINK_NS="http://www.w3.org/1999/xlink";var TextFunctions=TextFunctions||{__updatePath:L.Path.prototype._updatePath,_updatePath:function(){this.__updatePath.call(this),this.options.text&&this._createText(this.options.text)},_initText:function(){this.options.text&&this._createText(this.options.text)},getTextAnchor:function(){return this._point?this._point:void 0},setTextAnchor:function(t){this._text&&(this._text.setAttribute("x",t.x),this._text.setAttribute("y",t.y))},
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n=new L.RadialBarMarker(this._latlng,f),this.addLayer(n)}}}});
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