geocolor.min.js

!function(e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define(e):"undefined"!=typeof window?window.geocolor=e():"undefined"!=typeof global?global.geocolor=e():"undefined"!=typeof self&&(self.geocolor=e())}(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var geocolor=require("./lib/geocolor");module.exports=geocolor},{"./lib/geocolor":2}],2:[function(require,module,exports){var _=require("lodash"),ss=require("simple-statistics"),chroma=require("chroma-js");module.exports={jenks:function(fc,z,numBreaks,colors,style){var vals=_.chain(fc.features).pluck("properties").pluck(z).value();var breaks=ss.jenks(vals,numBreaks);var normals=normalize(breaks.length);fc=colorize(fc,z,colors,breaks,normals);fc=setLegend(fc,z,colors,breaks,normals);fc=applyStyle(fc,style);return fc},quantiles:function(fc,z,numBreaks,colors,style){var vals=_.chain(fc.features).pluck("properties").pluck(z).value();var min=ss.min(vals);var max=ss.max(vals);var interval=1/numBreaks;var quants=[0];var currentBreak=0;for(var i=0;i<numBreaks;i++){currentBreak+=interval;quants.push(currentBreak)}var breaks=ss.quantile(vals,quants);var normals=normalize(breaks.length);fc=colorize(fc,z,colors,breaks,normals);fc=setLegend(fc,z,colors,breaks,normals);fc=applyStyle(fc,style);return fc},equalIntervals:function(fc,z,numBreaks,colors,style){var vals=_.chain(fc.features).pluck("properties").pluck(z).value();var min=ss.min(vals);var max=ss.max(vals);var interval=(max-min)/numBreaks;var breaks=[0];var currentBreak=0;for(var i=0;i<=numBreaks;i++){currentBreak+=interval;breaks.push(currentBreak)}var normals=normalize(breaks.length);fc=colorize(fc,z,colors,breaks,normals);fc=setLegend(fc,z,colors,breaks,normals);fc=applyStyle(fc,style);return fc},custom:function(fc,z,breaks,colors,style){var vals=_.chain(fc.features).pluck("properties").pluck(z).value();var normals=normalize(breaks.length);fc=colorize(fc,z,colors,breaks,normals);fc=setLegend(fc,z,colors,breaks,normals);fc=applyStyle(fc,style);return fc},random:function(fc,colors,style){var normals=normalize(colors.length);_.each(fc.features,function(f){var rand=Math.floor(Math.random()*colors.length);var colorHex=chroma(colors[rand]).hex();f=setColor(f,colorHex)});fc=applyStyle(fc,style);return fc},all:function(fc,style){fc=applyStyle(fc,style);return fc}};function applyStyle(fc,style){_.each(fc.features,function(f){_.each(style,function(val,key){if(_.contains(["stroke","fill","marker-color"],key)){f.properties[key]=chroma(val).hex()}else{f.properties[key]=val}})});return fc}function colorize(fc,z,colors,breaks,normals){var scale=chroma.scale(colors);_.each(fc.features,function(f){_.each(breaks,function(b1,i){var b2=breaks[i+1];var colorHex=scale(normals[i+1]).hex();if(f.properties[z]>=b1&&f.properties[z]<b2){f=setColor(f,colorHex)}else if(f.properties[z]>=b2){f=setColor(f,colorHex)}})});return fc}function setLegend(fc,z,colors,breaks,normals){var legend={symbols:[]};var scale=chroma.scale(colors);_.each(breaks,function(b1,i){var b2=breaks[i+1];var colorHex=scale(normals[i+1]).hex();var symbol={from:b1,to:b2,color:colorHex};legend.symbols.push(symbol)});legend.symbols.pop();legend.title=z;fc.legend=legend;return fc}function setColor(feature,colorHex){if(feature.geometry.type==="Point"){feature.properties["marker-color"]=colorHex;return feature}else if(feature.geometry.type==="LineString"||feature.geometry.type==="MultiLineString"){feature.properties["fill"]=0;feature.properties["stroke"]=colorHex;feature.properties["stroke-opacity"]=.8;feature.properties["stroke-width"]=3;return feature}else if(feature.geometry.type==="Polygon"||feature.geometry.type==="MultiPolygon"){feature.properties["fill"]=colorHex;feature.properties["stroke"]="#000000";feature.properties["fill-opacity"]=.8;return feature}}function normalize(numBreaks){var normals=[0];var interval=1/numBreaks;var currentBreak=0;for(var i=0;i<numBreaks;i++){currentBreak+=interval;normals.push(currentBreak.toFixed(4))}return normals}},{"chroma-js":3,lodash:4,"simple-statistics":5}],3:[function(require,module,exports){(function(){var Color,K,PITHIRD,TWOPI,X,Y,Z,bezier,brewer,chroma,clip_rgb,colors,cos,css2rgb,hex2rgb,hsi2rgb,hsl2rgb,hsv2rgb,lab2lch,lab2rgb,lab_xyz,lch2lab,lch2rgb,limit,luminance,luminance_x,rgb2hex,rgb2hsi,rgb2hsl,rgb2hsv,rgb2lab,rgb2lch,rgb_xyz,root,type,unpack,xyz_lab,xyz_rgb,_ref;chroma=function(x,y,z,m){return new Color(x,y,z,m)};if(typeof module!=="undefined"&&module!==null&&module.exports!=null){module.exports=chroma}if(typeof define==="function"&&define.amd){define([],function(){return chroma})}else{root=typeof exports!=="undefined"&&exports!==null?exports:this;root.chroma=chroma}chroma.color=function(x,y,z,m){return new Color(x,y,z,m)};chroma.hsl=function(h,s,l,a){return new Color(h,s,l,a,"hsl")};chroma.hsv=function(h,s,v,a){return new Color(h,s,v,a,"hsv")};chroma.rgb=function(r,g,b,a){return new Color(r,g,b,a,"rgb")};chroma.hex=function(x){return new Color(x)};chroma.css=function(x){return new Color(x)};chroma.lab=function(l,a,b){return new Color(l,a,b,"lab")};chroma.lch=function(l,c,h){return new Color(l,c,h,"lch")};chroma.hsi=function(h,s,i){return new Color(h,s,i,"hsi")};chroma.gl=function(r,g,b,a){return new Color(r*255,g*255,b*255,a,"gl")};chroma.interpolate=function(a,b,f,m){if(a==null||b==null){return"#000"}if(type(a)==="string"){a=new Color(a)}if(type(b)==="string"){b=new Color(b)}return a.interpolate(f,b,m)};chroma.mix=chroma.interpolate;chroma.contrast=function(a,b){var l1,l2;if(type(a)==="string"){a=new Color(a)}if(type(b)==="string"){b=new Color(b)}l1=a.luminance();l2=b.luminance();if(l1>l2){return(l1+.05)/(l2+.05)}else{return(l2+.05)/(l1+.05)}};chroma.luminance=function(color){return chroma(color).luminance()};chroma._Color=Color;Color=function(){function Color(){var a,arg,args,m,me,me_rgb,x,y,z,_i,_len,_ref,_ref1,_ref2,_ref3;me=this;args=[];for(_i=0,_len=arguments.length;_i<_len;_i++){arg=arguments[_i];if(arg!=null){args.push(arg)}}if(args.length===0){_ref=[255,0,255,1,"rgb"],x=_ref[0],y=_ref[1],z=_ref[2],a=_ref[3],m=_ref[4]}else if(type(args[0])==="array"){if(args[0].length===3){_ref1=args[0],x=_ref1[0],y=_ref1[1],z=_ref1[2];a=1}else if(args[0].length===4){_ref2=args[0],x=_ref2[0],y=_ref2[1],z=_ref2[2],a=_ref2[3]}else{throw"unknown input argument"}m=args[1]}else if(type(args[0])==="string"){x=args[0];m="hex"}else if(type(args[0])==="object"){_ref3=args[0]._rgb,x=_ref3[0],y=_ref3[1],z=_ref3[2],a=_ref3[3];m="rgb"}else if(args.length>=3){x=args[0];y=args[1];z=args[2]}if(args.length===3){m="rgb";a=1}else if(args.length===4){if(type(args[3])==="string"){m=args[3];a=1}else if(type(args[3])==="number"){m="rgb";a=args[3]}}else if(args.length===5){a=args[3];m=args[4]}if(a==null){a=1}if(m==="rgb"){me._rgb=[x,y,z,a]}else if(m==="gl"){me._rgb=[x*255,y*255,z*255,a]}else if(m==="hsl"){me._rgb=hsl2rgb(x,y,z);me._rgb[3]=a}else if(m==="hsv"){me._rgb=hsv2rgb(x,y,z);me._rgb[3]=a}else if(m==="hex"){me._rgb=hex2rgb(x)}else if(m==="lab"){me._rgb=lab2rgb(x,y,z);me._rgb[3]=a}else if(m==="lch"){me._rgb=lch2rgb(x,y,z);me._rgb[3]=a}else if(m==="hsi"){me._rgb=hsi2rgb(x,y,z);me._rgb[3]=a}me_rgb=clip_rgb(me._rgb)}Color.prototype.rgb=function(){return this._rgb.slice(0,3)};Color.prototype.rgba=function(){return this._rgb};Color.prototype.hex=function(){return rgb2hex(this._rgb)};Color.prototype.toString=function(){return this.name()};Color.prototype.hsl=function(){return rgb2hsl(this._rgb)};Color.prototype.hsv=function(){return rgb2hsv(this._rgb)};Color.prototype.lab=function(){return rgb2lab(this._rgb)};Color.prototype.lch=function(){return rgb2lch(this._rgb)};Color.prototype.hsi=function(){return rgb2hsi(this._rgb)};Color.prototype.gl=function(){return[this._rgb[0]/255,this._rgb[1]/255,this._rgb[2]/255,this._rgb[3]]};Color.prototype.luminance=function(){return luminance(this._rgb)};Color.prototype.name=function(){var h,k;h=this.hex();for(k in chroma.colors){if(h===chroma.colors[k]){return k}}return h};Color.prototype.alpha=function(alpha){if(arguments.length){this._rgb[3]=alpha;return this}return this._rgb[3]};Color.prototype.css=function(mode){var hsl,me,rgb,rnd;if(mode==null){mode="rgb"}me=this;rgb=me._rgb;if(mode.length===3&&rgb[3]<1){mode+="a"}if(mode==="rgb"){return mode+"("+rgb.slice(0,3).join(",")+")"}else if(mode==="rgba"){return mode+"("+rgb.join(",")+")"}else if(mode==="hsl"||mode==="hsla"){hsl=me.hsl();rnd=function(a){return Math.round(a*100)/100};hsl[0]=rnd(hsl[0]);hsl[1]=rnd(hsl[1]*100)+"%";hsl[2]=rnd(hsl[2]*100)+"%";if(mode.length===4){hsl[3]=rgb[3]}return mode+"("+hsl.join(",")+")"}};Color.prototype.interpolate=function(f,col,m){var dh,hue,hue0,hue1,lbv,lbv0,lbv1,me,res,sat,sat0,sat1,xyz0,xyz1;me=this;if(m==null){m="rgb"}if(type(col)==="string"){col=new Color(col)}if(m==="hsl"||m==="hsv"||m==="lch"||m==="hsi"){if(m==="hsl"){xyz0=me.hsl();xyz1=col.hsl()}else if(m==="hsv"){xyz0=me.hsv();xyz1=col.hsv()}else if(m==="hsi"){xyz0=me.hsi();xyz1=col.hsi()}else if(m==="lch"){xyz0=me.lch();xyz1=col.lch()}if(m.substr(0,1)==="h"){hue0=xyz0[0],sat0=xyz0[1],lbv0=xyz0[2];hue1=xyz1[0],sat1=xyz1[1],lbv1=xyz1[2]}else{lbv0=xyz0[0],sat0=xyz0[1],hue0=xyz0[2];lbv1=xyz1[0],sat1=xyz1[1],hue1=xyz1[2]}if(!isNaN(hue0)&&!isNaN(hue1)){if(hue1>hue0&&hue1-hue0>180){dh=hue1-(hue0+360)}else if(hue1<hue0&&hue0-hue1>180){dh=hue1+360-hue0}else{dh=hue1-hue0}hue=hue0+f*dh}else if(!isNaN(hue0)){hue=hue0;if(lbv1===1||lbv1===0){sat=sat0}}else if(!isNaN(hue1)){hue=hue1;if(lbv0===1||lbv0===0){sat=sat1}}else{hue=Number.NaN}if(sat==null){sat=sat0+f*(sat1-sat0)}lbv=lbv0+f*(lbv1-lbv0);if(m.substr(0,1)==="h"){res=new Color(hue,sat,lbv,m)}else{res=new Color(lbv,sat,hue,m)}}else if(m==="rgb"){xyz0=me._rgb;xyz1=col._rgb;res=new Color(xyz0[0]+f*(xyz1[0]-xyz0[0]),xyz0[1]+f*(xyz1[1]-xyz0[1]),xyz0[2]+f*(xyz1[2]-xyz0[2]),m)}else if(m==="lab"){xyz0=me.lab();xyz1=col.lab();res=new Color(xyz0[0]+f*(xyz1[0]-xyz0[0]),xyz0[1]+f*(xyz1[1]-xyz0[1]),xyz0[2]+f*(xyz1[2]-xyz0[2]),m)}else{throw"color mode "+m+" is not supported"}res.alpha(me.alpha()+f*(col.alpha()-me.alpha()));return res};Color.prototype.premultiply=function(){var a,rgb;rgb=this.rgb();a=this.alpha();return chroma(rgb[0]*a,rgb[1]*a,rgb[2]*a,a)};Color.prototype.darken=function(amount){var lch,me;if(amount==null){amount=20}me=this;lch=me.lch();lch[0]-=amount;return chroma.lch(lch).alpha(me.alpha())};Color.prototype.darker=function(amount){return this.darken(amount)};Color.prototype.brighten=function(amount){if(amount==null){amount=20}return this.darken(-amount)};Color.prototype.brighter=function(amount){return this.brighten(amount)};Color.prototype.saturate=function(amount){var lch,me;if(amount==null){amount=20}me=this;lch=me.lch();lch[1]+=amount;return chroma.lch(lch).alpha(me.alpha())};Color.prototype.desaturate=function(amount){if(amount==null){amount=20}return this.saturate(-amount)};return Color}();clip_rgb=function(rgb){var i;for(i in rgb){if(i<3){if(rgb[i]<0){rgb[i]=0}if(rgb[i]>255){rgb[i]=255}}else if(i===3){if(rgb[i]<0){rgb[i]=0}if(rgb[i]>1){rgb[i]=1}}}return rgb};css2rgb=function(css){var hsl,i,m,rgb,_i,_j,_k,_l;if(chroma.colors!=null&&chroma.colors[css]){return hex2rgb(chroma.colors[css])}if(m=css.match(/rgb\(\s*(\-?\d+),\s*(\-?\d+)\s*,\s*(\-?\d+)\s*\)/)){rgb=m.slice(1,4);for(i=_i=0;_i<=2;i=++_i){rgb[i]=+rgb[i]}rgb[3]=1}else if(m=css.match(/rgba\(\s*(\-?\d+),\s*(\-?\d+)\s*,\s*(\-?\d+)\s*,\s*([01]|[01]?\.\d+)\)/)){rgb=m.slice(1,5);for(i=_j=0;_j<=3;i=++_j){rgb[i]=+rgb[i]}}else if(m=css.match(/rgb\(\s*(\-?\d+(?:\.\d+)?)%,\s*(\-?\d+(?:\.\d+)?)%\s*,\s*(\-?\d+(?:\.\d+)?)%\s*\)/)){rgb=m.slice(1,4);for(i=_k=0;_k<=2;i=++_k){rgb[i]=Math.round(rgb[i]*2.55)}rgb[3]=1}else if(m=css.match(/rgba\(\s*(\-?\d+(?:\.\d+)?)%,\s*(\-?\d+(?:\.\d+)?)%\s*,\s*(\-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)/)){rgb=m.slice(1,5);for(i=_l=0;_l<=2;i=++_l){rgb[i]=Math.round(rgb[i]*2.55)}rgb[3]=+rgb[3]}else if(m=css.match(/hsl\(\s*(\-?\d+(?:\.\d+)?),\s*(\-?\d+(?:\.\d+)?)%\s*,\s*(\-?\d+(?:\.\d+)?)%\s*\)/)){hsl=m.slice(1,4);hsl[1]*=.01;hsl[2]*=.01;rgb=hsl2rgb(hsl);rgb[3]=1}else if(m=css.match(/hsla\(\s*(\-?\d+(?:\.\d+)?),\s*(\-?\d+(?:\.\d+)?)%\s*,\s*(\-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)/)){hsl=m.slice(1,4);hsl[1]*=.01;hsl[2]*=.01;rgb=hsl2rgb(hsl);rgb[3]=+m[4]}return rgb};hex2rgb=function(hex){var a,b,g,r,rgb,u;if(hex.match(/^#?([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/)){if(hex.length===4||hex.length===7){hex=hex.substr(1)}if(hex.length===3){hex=hex.split("");hex=hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2]}u=parseInt(hex,16);r=u>>16;g=u>>8&255;b=u&255;return[r,g,b,1]}if(hex.match(/^#?([A-Fa-f0-9]{8})$/)){if(hex.length===9){hex=hex.substr(1)}u=parseInt(hex,16);r=u>>24&255;g=u>>16&255;b=u>>8&255;a=u&255;return[r,g,b,a]}if(rgb=css2rgb(hex)){return rgb}throw"unknown color: "+hex};hsi2rgb=function(h,s,i){var b,g,r,_ref;_ref=unpack(arguments),h=_ref[0],s=_ref[1],i=_ref[2];h/=360;if(h<1/3){b=(1-s)/3;r=(1+s*cos(TWOPI*h)/cos(PITHIRD-TWOPI*h))/3;g=1-(b+r)}else if(h<2/3){h-=1/3;r=(1-s)/3;g=(1+s*cos(TWOPI*h)/cos(PITHIRD-TWOPI*h))/3;b=1-(r+g)}else{h-=2/3;g=(1-s)/3;b=(1+s*cos(TWOPI*h)/cos(PITHIRD-TWOPI*h))/3;r=1-(g+b)}r=limit(i*r*3);g=limit(i*g*3);b=limit(i*b*3);return[r*255,g*255,b*255]};hsl2rgb=function(){var b,c,g,h,i,l,r,s,t1,t2,t3,_i,_ref,_ref1;_ref=unpack(arguments),h=_ref[0],s=_ref[1],l=_ref[2];if(s===0){r=g=b=l*255}else{t3=[0,0,0];c=[0,0,0];t2=l<.5?l*(1+s):l+s-l*s;t1=2*l-t2;h/=360;t3[0]=h+1/3;t3[1]=h;t3[2]=h-1/3;for(i=_i=0;_i<=2;i=++_i){if(t3[i]<0){t3[i]+=1}if(t3[i]>1){t3[i]-=1}if(6*t3[i]<1){c[i]=t1+(t2-t1)*6*t3[i]}else if(2*t3[i]<1){c[i]=t2}else if(3*t3[i]<2){c[i]=t1+(t2-t1)*(2/3-t3[i])*6}else{c[i]=t1}}_ref1=[Math.round(c[0]*255),Math.round(c[1]*255),Math.round(c[2]*255)],r=_ref1[0],g=_ref1[1],b=_ref1[2]}return[r,g,b]};hsv2rgb=function(){var b,f,g,h,i,p,q,r,s,t,v,_ref,_ref1,_ref2,_ref3,_ref4,_ref5,_ref6;_ref=unpack(arguments),h=_ref[0],s=_ref[1],v=_ref[2];v*=255;if(s===0){r=g=b=v}else{if(h===360){h=0}if(h>360){h-=360}if(h<0){h+=360}h/=60;i=Math.floor(h);f=h-i;p=v*(1-s);q=v*(1-s*f);t=v*(1-s*(1-f));switch(i){case 0:_ref1=[v,t,p],r=_ref1[0],g=_ref1[1],b=_ref1[2];break;case 1:_ref2=[q,v,p],r=_ref2[0],g=_ref2[1],b=_ref2[2];break;case 2:_ref3=[p,v,t],r=_ref3[0],g=_ref3[1],b=_ref3[2];break;case 3:_ref4=[p,q,v],r=_ref4[0],g=_ref4[1],b=_ref4[2];break;case 4:_ref5=[t,p,v],r=_ref5[0],g=_ref5[1],b=_ref5[2];break;case 5:_ref6=[v,p,q],r=_ref6[0],g=_ref6[1],b=_ref6[2]}}r=Math.round(r);g=Math.round(g);b=Math.round(b);return[r,g,b]};K=18;X=.95047;Y=1;Z=1.08883;lab2lch=function(){var a,b,c,h,l,_ref;_ref=unpack(arguments),l=_ref[0],a=_ref[1],b=_ref[2];c=Math.sqrt(a*a+b*b);h=Math.atan2(b,a)/Math.PI*180;return[l,c,h]};lab2rgb=function(l,a,b){var g,r,x,y,z,_ref,_ref1;if(l!==void 0&&l.length===3){_ref=l,l=_ref[0],a=_ref[1],b=_ref[2]}if(l!==void 0&&l.length===3){_ref1=l,l=_ref1[0],a=_ref1[1],b=_ref1[2]}y=(l+16)/116;x=y+a/500;z=y-b/200;x=lab_xyz(x)*X;y=lab_xyz(y)*Y;z=lab_xyz(z)*Z;r=xyz_rgb(3.2404542*x-1.5371385*y-.4985314*z);g=xyz_rgb(-.969266*x+1.8760108*y+.041556*z);b=xyz_rgb(.0556434*x-.2040259*y+1.0572252*z);return[limit(r,0,255),limit(g,0,255),limit(b,0,255),1]};lab_xyz=function(x){if(x>.206893034){return x*x*x}else{return(x-4/29)/7.787037}};xyz_rgb=function(r){return Math.round(255*(r<=.00304?12.92*r:1.055*Math.pow(r,1/2.4)-.055))};lch2lab=function(){var c,h,l,_ref;_ref=unpack(arguments),l=_ref[0],c=_ref[1],h=_ref[2];h=h*Math.PI/180;return[l,Math.cos(h)*c,Math.sin(h)*c]};lch2rgb=function(l,c,h){var L,a,b,g,r,_ref,_ref1;_ref=lch2lab(l,c,h),L=_ref[0],a=_ref[1],b=_ref[2];_ref1=lab2rgb(L,a,b),r=_ref1[0],g=_ref1[1],b=_ref1[2];return[limit(r,0,255),limit(g,0,255),limit(b,0,255)]};luminance=function(r,g,b){var _ref;_ref=unpack(arguments),r=_ref[0],g=_ref[1],b=_ref[2];r=luminance_x(r);g=luminance_x(g);b=luminance_x(b);return.2126*r+.7152*g+.0722*b};luminance_x=function(x){x/=255;if(x<=.03928){return x/12.92}else{return Math.pow((x+.055)/1.055,2.4)}};rgb2hex=function(){var b,g,r,str,u,_ref;_ref=unpack(arguments),r=_ref[0],g=_ref[1],b=_ref[2];u=r<<16|g<<8|b;str="000000"+u.toString(16);return"#"+str.substr(str.length-6)};rgb2hsi=function(){var TWOPI,b,g,h,i,min,r,s,_ref;_ref=unpack(arguments),r=_ref[0],g=_ref[1],b=_ref[2];TWOPI=Math.PI*2;r/=255;g/=255;b/=255;min=Math.min(r,g,b);i=(r+g+b)/3;s=1-min/i;if(s===0){h=0}else{h=(r-g+(r-b))/2;h/=Math.sqrt((r-g)*(r-g)+(r-b)*(g-b));h=Math.acos(h);if(b>g){h=TWOPI-h}h/=TWOPI}return[h*360,s,i]};rgb2hsl=function(r,g,b){var h,l,max,min,s,_ref;if(r!==void 0&&r.length>=3){_ref=r,r=_ref[0],g=_ref[1],b=_ref[2]}r/=255;g/=255;b/=255;min=Math.min(r,g,b);max=Math.max(r,g,b);l=(max+min)/2;if(max===min){s=0;h=Number.NaN}else{s=l<.5?(max-min)/(max+min):(max-min)/(2-max-min)}if(r===max){h=(g-b)/(max-min)}else if(g===max){h=2+(b-r)/(max-min)}else if(b===max){h=4+(r-g)/(max-min)}h*=60;if(h<0){h+=360}return[h,s,l]};rgb2hsv=function(){var b,delta,g,h,max,min,r,s,v,_ref;_ref=unpack(arguments),r=_ref[0],g=_ref[1],b=_ref[2];min=Math.min(r,g,b);max=Math.max(r,g,b);delta=max-min;v=max/255;if(max===0){h=Number.NaN;s=0}else{s=delta/max;if(r===max){h=(g-b)/delta}if(g===max){h=2+(b-r)/delta}if(b===max){h=4+(r-g)/delta}h*=60;if(h<0){h+=360}}return[h,s,v]};rgb2lab=function(){var b,g,r,x,y,z,_ref;_ref=unpack(arguments),r=_ref[0],g=_ref[1],b=_ref[2];r=rgb_xyz(r);g=rgb_xyz(g);b=rgb_xyz(b);x=xyz_lab((.4124564*r+.3575761*g+.1804375*b)/X);y=xyz_lab((.2126729*r+.7151522*g+.072175*b)/Y);z=xyz_lab((.0193339*r+.119192*g+.9503041*b)/Z);return[116*y-16,500*(x-y),200*(y-z)]};rgb_xyz=function(r){if((r/=255)<=.04045){return r/12.92}else{return Math.pow((r+.055)/1.055,2.4)}};xyz_lab=function(x){if(x>.008856){return Math.pow(x,1/3)}else{return 7.787037*x+4/29}};rgb2lch=function(){var a,b,g,l,r,_ref,_ref1;_ref=unpack(arguments),r=_ref[0],g=_ref[1],b=_ref[2];_ref1=rgb2lab(r,g,b),l=_ref1[0],a=_ref1[1],b=_ref1[2];return lab2lch(l,a,b)};chroma.scale=function(colors,positions){var classifyValue,f,getClass,getColor,resetCache,setColors,setDomain,tmap,_colorCache,_colors,_correctLightness,_domain,_fixed,_max,_min,_mode,_nacol,_numClasses,_out,_pos,_spread;_mode="rgb";_nacol=chroma("#ccc");_spread=0;_fixed=false;_domain=[0,1];_colors=[];_out=false;_pos=[];_min=0;_max=1;_correctLightness=false;_numClasses=0;_colorCache={};setColors=function(colors,positions){var c,col,_i,_j,_ref,_ref1,_ref2;if(colors==null){colors=["#ddd","#222"]}if(colors!=null&&type(colors)==="string"&&((_ref=chroma.brewer)!=null?_ref[colors]:void 0)!=null){colors=chroma.brewer[colors]}if(type(colors)==="array"){colors=colors.slice(0);for(c=_i=0,_ref1=colors.length-1;0<=_ref1?_i<=_ref1:_i>=_ref1;c=0<=_ref1?++_i:--_i){col=colors[c];if(type(col)==="string"){colors[c]=chroma(col)}}if(positions!=null){_pos=positions}else{_pos=[];for(c=_j=0,_ref2=colors.length-1;0<=_ref2?_j<=_ref2:_j>=_ref2;c=0<=_ref2?++_j:--_j){_pos.push(c/(colors.length-1))}}}resetCache();return _colors=colors};setDomain=function(domain){if(domain==null){domain=[]}_domain=domain;_min=domain[0];_max=domain[domain.length-1];resetCache();if(domain.length===2){return _numClasses=0}else{return _numClasses=domain.length-1}};getClass=function(value){var i,n;if(_domain!=null){n=_domain.length-1;i=0;while(i<n&&value>=_domain[i]){i++}return i-1}return 0};tmap=function(t){return t};classifyValue=function(value){var i,maxc,minc,n,val;val=value;if(_domain.length>2){n=_domain.length-1;i=getClass(value);minc=_domain[0]+(_domain[1]-_domain[0])*(0+_spread*.5);maxc=_domain[n-1]+(_domain[n]-_domain[n-1])*(1-_spread*.5);val=_min+(_domain[i]+(_domain[i+1]-_domain[i])*.5-minc)/(maxc-minc)*(_max-_min)}return val};getColor=function(val,bypassMap){var c,col,f0,i,k,p,t,_i,_ref;if(bypassMap==null){bypassMap=false}if(isNaN(val)){return _nacol}if(!bypassMap){if(_domain.length>2){c=getClass(val);t=c/(_numClasses-1)}else{t=f0=(val-_min)/(_max-_min);t=Math.min(1,Math.max(0,t))}}else{t=val}if(!bypassMap){t=tmap(t)}k=Math.floor(t*1e4);if(_colorCache[k]){col=_colorCache[k]}else{if(type(_colors)==="array"){for(i=_i=0,_ref=_pos.length-1;0<=_ref?_i<=_ref:_i>=_ref;i=0<=_ref?++_i:--_i){p=_pos[i];if(t<=p){col=_colors[i];break}if(t>=p&&i===_pos.length-1){col=_colors[i];break}if(t>p&&t<_pos[i+1]){t=(t-p)/(_pos[i+1]-p);col=chroma.interpolate(_colors[i],_colors[i+1],t,_mode);break}}}else if(type(_colors)==="function"){col=_colors(t)}_colorCache[k]=col}return col};resetCache=function(){return _colorCache={}};setColors(colors,positions);f=function(v){var c;c=getColor(v);if(_out&&c[_out]){return c[_out]()}else{return c}};f.domain=function(domain,classes,mode,key){var d;if(mode==null){mode="e"}if(!arguments.length){return _domain}if(classes!=null){d=chroma.analyze(domain,key);if(classes===0){domain=[d.min,d.max]}else{domain=chroma.limits(d,mode,classes)}}setDomain(domain);return f};f.mode=function(_m){if(!arguments.length){return _mode}_mode=_m;resetCache();return f};f.range=function(colors,_pos){setColors(colors,_pos);return f};f.out=function(_o){_out=_o;return f};f.spread=function(val){if(!arguments.length){return _spread}_spread=val;return f};f.correctLightness=function(v){if(!arguments.length){return _correctLightness}_correctLightness=v;resetCache();if(_correctLightness){tmap=function(t){var L0,L1,L_actual,L_diff,L_ideal,max_iter,pol,t0,t1;L0=getColor(0,true).lab()[0];L1=getColor(1,true).lab()[0];pol=L0>L1;L_actual=getColor(t,true).lab()[0];L_ideal=L0+(L1-L0)*t;L_diff=L_actual-L_ideal;t0=0;t1=1;max_iter=20;while(Math.abs(L_diff)>.01&&max_iter-->0){(function(){if(pol){L_diff*=-1}if(L_diff<0){t0=t;t+=(t1-t)*.5}else{t1=t;t+=(t0-t)*.5}L_actual=getColor(t,true).lab()[0];return L_diff=L_actual-L_ideal})()}return t}}else{tmap=function(t){return t}}return f};f.colors=function(out){var i,samples,_i,_j,_len,_ref;if(out==null){out="hex"}colors=[];samples=[];if(_domain.length>2){for(i=_i=1,_ref=_domain.length;1<=_ref?_i<_ref:_i>_ref;i=1<=_ref?++_i:--_i){samples.push((_domain[i-1]+_domain[i])*.5)}}else{samples=_domain}for(_j=0,_len=samples.length;_j<_len;_j++){i=samples[_j];colors.push(f(i)[out]())}return colors};return f};if((_ref=chroma.scales)==null){chroma.scales={}}chroma.scales.cool=function(){return chroma.scale([chroma.hsl(180,1,.9),chroma.hsl(250,.7,.4)])};chroma.scales.hot=function(){return chroma.scale(["#000","#f00","#ff0","#fff"],[0,.25,.75,1]).mode("rgb")};chroma.analyze=function(data,key,filter){var add,k,r,val,visit,_i,_len;r={min:Number.MAX_VALUE,max:Number.MAX_VALUE*-1,sum:0,values:[],count:0};if(filter==null){filter=function(){return true}}add=function(val){if(val!=null&&!isNaN(val)){r.values.push(val);r.sum+=val;if(val<r.min){r.min=val}if(val>r.max){r.max=val}r.count+=1}};visit=function(val,k){if(filter(val,k)){if(key!=null&&type(key)==="function"){return add(key(val))}else if(key!=null&&type(key)==="string"||type(key)==="number"){return add(val[key])}else{return add(val)}}};if(type(data)==="array"){for(_i=0,_len=data.length;_i<_len;_i++){val=data[_i];visit(val)}}else{for(k in data){val=data[k];visit(val,k)}}r.domain=[r.min,r.max];r.limits=function(mode,num){return chroma.limits(r,mode,num)};return r};chroma.limits=function(data,mode,num){var assignments,best,centroids,cluster,clusterSizes,dist,i,j,kClusters,limits,max,max_log,min,min_log,mindist,n,nb_iters,newCentroids,p,pb,pr,repeat,sum,tmpKMeansBreaks,value,values,_i,_j,_k,_l,_m,_n,_o,_p,_q,_r,_ref1,_ref10,_ref11,_ref12,_ref13,_ref14,_ref15,_ref2,_ref3,_ref4,_ref5,_ref6,_ref7,_ref8,_ref9,_s,_t,_u,_v,_w;if(mode==null){mode="equal"}if(num==null){num=7}if(data.values==null){data=chroma.analyze(data)}min=data.min;max=data.max;sum=data.sum;values=data.values.sort(function(a,b){return a-b});limits=[];if(mode.substr(0,1)==="c"){limits.push(min);limits.push(max)}if(mode.substr(0,1)==="e"){limits.push(min);for(i=_i=1,_ref1=num-1;1<=_ref1?_i<=_ref1:_i>=_ref1;i=1<=_ref1?++_i:--_i){limits.push(min+i/num*(max-min))}limits.push(max)}else if(mode.substr(0,1)==="l"){if(min<=0){throw"Logarithmic scales are only possible for values > 0"}min_log=Math.LOG10E*Math.log(min);max_log=Math.LOG10E*Math.log(max);limits.push(min);for(i=_j=1,_ref2=num-1;1<=_ref2?_j<=_ref2:_j>=_ref2;i=1<=_ref2?++_j:--_j){limits.push(Math.pow(10,min_log+i/num*(max_log-min_log)))}limits.push(max)}else if(mode.substr(0,1)==="q"){limits.push(min);for(i=_k=1,_ref3=num-1;1<=_ref3?_k<=_ref3:_k>=_ref3;i=1<=_ref3?++_k:--_k){p=values.length*i/num;pb=Math.floor(p);if(pb===p){limits.push(values[pb])}else{pr=p-pb;limits.push(values[pb]*pr+values[pb+1]*(1-pr))}}limits.push(max)}else if(mode.substr(0,1)==="k"){n=values.length;assignments=new Array(n);clusterSizes=new Array(num);repeat=true;nb_iters=0;centroids=null;centroids=[];centroids.push(min);for(i=_l=1,_ref4=num-1;1<=_ref4?_l<=_ref4:_l>=_ref4;i=1<=_ref4?++_l:--_l){centroids.push(min+i/num*(max-min))}centroids.push(max);while(repeat){for(j=_m=0,_ref5=num-1;0<=_ref5?_m<=_ref5:_m>=_ref5;j=0<=_ref5?++_m:--_m){clusterSizes[j]=0}for(i=_n=0,_ref6=n-1;0<=_ref6?_n<=_ref6:_n>=_ref6;i=0<=_ref6?++_n:--_n){value=values[i];mindist=Number.MAX_VALUE;for(j=_o=0,_ref7=num-1;0<=_ref7?_o<=_ref7:_o>=_ref7;j=0<=_ref7?++_o:--_o){dist=Math.abs(centroids[j]-value);if(dist<mindist){mindist=dist;best=j}}clusterSizes[best]++;assignments[i]=best}newCentroids=new Array(num);for(j=_p=0,_ref8=num-1;0<=_ref8?_p<=_ref8:_p>=_ref8;j=0<=_ref8?++_p:--_p){newCentroids[j]=null}for(i=_q=0,_ref9=n-1;0<=_ref9?_q<=_ref9:_q>=_ref9;i=0<=_ref9?++_q:--_q){cluster=assignments[i];if(newCentroids[cluster]===null){newCentroids[cluster]=values[i]}else{newCentroids[cluster]+=values[i]}}for(j=_r=0,_ref10=num-1;0<=_ref10?_r<=_ref10:_r>=_ref10;j=0<=_ref10?++_r:--_r){newCentroids[j]*=1/clusterSizes[j]}repeat=false;for(j=_s=0,_ref11=num-1;0<=_ref11?_s<=_ref11:_s>=_ref11;j=0<=_ref11?++_s:--_s){if(newCentroids[j]!==centroids[i]){repeat=true;break}}centroids=newCentroids;nb_iters++;if(nb_iters>200){repeat=false}}kClusters={};for(j=_t=0,_ref12=num-1;0<=_ref12?_t<=_ref12:_t>=_ref12;j=0<=_ref12?++_t:--_t){kClusters[j]=[]}for(i=_u=0,_ref13=n-1;0<=_ref13?_u<=_ref13:_u>=_ref13;i=0<=_ref13?++_u:--_u){cluster=assignments[i];kClusters[cluster].push(values[i])}tmpKMeansBreaks=[];for(j=_v=0,_ref14=num-1;0<=_ref14?_v<=_ref14:_v>=_ref14;j=0<=_ref14?++_v:--_v){tmpKMeansBreaks.push(kClusters[j][0]);tmpKMeansBreaks.push(kClusters[j][kClusters[j].length-1])}tmpKMeansBreaks=tmpKMeansBreaks.sort(function(a,b){return a-b});limits.push(tmpKMeansBreaks[0]);for(i=_w=1,_ref15=tmpKMeansBreaks.length-1;_w<=_ref15;i=_w+=2){if(!isNaN(tmpKMeansBreaks[i])){limits.push(tmpKMeansBreaks[i])}}}return 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bayes_model={},total_count=0,data={};bayes_model.train=function(item,category){if(!data[category])data[category]={};for(var k in item){var v=item[k];if(data[category][k]===undefined)data[category][k]={};if(data[category][k][v]===undefined)data[category][k][v]=0;data[category][k][item[k]]++}total_count++};bayes_model.score=function(item){var odds={},category;for(var k in item){var v=item[k];for(category in data){if(odds[category]===undefined)odds[category]={};if(data[category][k]){odds[category][k+"_"+v]=(data[category][k][v]||0)/total_count}else{odds[category][k+"_"+v]=0}}}var odds_sums={};for(category in odds){for(var combination in odds[category]){if(odds_sums[category]===undefined)odds_sums[category]=0;odds_sums[category]+=odds[category][combination]}}return odds_sums};return bayes_model}function sum(x){var value=0;for(var i=0;i<x.length;i++){value+=x[i]}return value}function mean(x){if(x.length===0)return null;return sum(x)/x.length}function geometric_mean(x){if(x.length===0)return null;var value=1;for(var i=0;i<x.length;i++){if(x[i]<=0)return null;value*=x[i]}return Math.pow(value,1/x.length)}function harmonic_mean(x){if(x.length===0)return null;var reciprocal_sum=0;for(var i=0;i<x.length;i++){if(x[i]<=0)return null;reciprocal_sum+=1/x[i]}return x.length/reciprocal_sum}function min(x){var value;for(var i=0;i<x.length;i++){if(x[i]<value||value===undefined)value=x[i]}return value}function max(x){var value;for(var i=0;i<x.length;i++){if(x[i]>value||value===undefined)value=x[i]}return value}function variance(x){if(x.length===0)return null;var mean_value=mean(x),deviations=[];for(var i=0;i<x.length;i++){deviations.push(Math.pow(x[i]-mean_value,2))}return mean(deviations)}function standard_deviation(x){if(x.length===0)return null;return Math.sqrt(variance(x))}function sum_nth_power_deviations(x,n){var mean_value=mean(x),sum=0;for(var i=0;i<x.length;i++){sum+=Math.pow(x[i]-mean_value,n)}return sum}function sample_variance(x){if(x.length<=1)return null;var sum_squared_deviations_value=sum_nth_power_deviations(x,2);return sum_squared_deviations_value/(x.length-1)}function sample_standard_deviation(x){if(x.length<=1)return null;return Math.sqrt(sample_variance(x))}function sample_covariance(x,y){if(x.length<=1||x.length!=y.length){return null}var xmean=mean(x),ymean=mean(y),sum=0;for(var i=0;i<x.length;i++){sum+=(x[i]-xmean)*(y[i]-ymean)}return sum/(x.length-1)}function sample_correlation(x,y){var cov=sample_covariance(x,y),xstd=sample_standard_deviation(x),ystd=sample_standard_deviation(y);if(cov===null||xstd===null||ystd===null){return null}return cov/xstd/ystd}function median(x){if(x.length===0)return null;var sorted=x.slice().sort(function(a,b){return a-b});if(sorted.length%2===1){return sorted[(sorted.length-1)/2]}else{var a=sorted[sorted.length/2-1];var b=sorted[sorted.length/2];return(a+b)/2}}function mode(x){if(x.length===0)return null;else if(x.length===1)return x[0];var sorted=x.slice().sort(function(a,b){return a-b});var last=sorted[0],value,max_seen=0,seen_this=1;for(var i=1;i<sorted.length+1;i++){if(sorted[i]!==last){if(seen_this>max_seen){max_seen=seen_this;seen_this=1;value=last}last=sorted[i]}else{seen_this++}}return value}function t_test(sample,x){var sample_mean=mean(sample);var sd=standard_deviation(sample);var rootN=Math.sqrt(sample.length);return(sample_mean-x)/(sd/rootN)}function t_test_two_sample(sample_x,sample_y,difference){var n=sample_x.length,m=sample_y.length;if(!n||!m)return null;if(!difference)difference=0;var meanX=mean(sample_x),meanY=mean(sample_y);var weightedVariance=((n-1)*sample_variance(sample_x)+(m-1)*sample_variance(sample_y))/(n+m-2);return(meanX-meanY-difference)/Math.sqrt(weightedVariance*(1/n+1/m))}function quantile(sample,p){if(sample.length===0)return null;var sorted=sample.slice().sort(function(a,b){return a-b});if(p.length){var results=[];for(var i=0;i<p.length;i++){results[i]=quantile_sorted(sorted,p[i])}return results}else{return quantile_sorted(sorted,p)}}function quantile_sorted(sample,p){var idx=sample.length*p;if(p<0||p>1){return null}else if(p===1){return sample[sample.length-1]}else if(p===0){return sample[0]}else if(idx%1!==0){return sample[Math.ceil(idx)-1]}else if(sample.length%2===0){return(sample[idx-1]+sample[idx])/2}else{return sample[idx]}}function iqr(sample){if(sample.length===0)return null;return quantile(sample,.75)-quantile(sample,.25)}function mad(x){if(!x||x.length===0)return null;var median_value=median(x),median_absolute_deviations=[];for(var i=0;i<x.length;i++){median_absolute_deviations.push(Math.abs(x[i]-median_value))}return median(median_absolute_deviations)}function jenksMatrices(data,n_classes){var lower_class_limits=[],variance_combinations=[],i,j,variance=0;for(i=0;i<data.length+1;i++){var tmp1=[],tmp2=[];for(j=0;j<n_classes+1;j++){tmp1.push(0);tmp2.push(0)}lower_class_limits.push(tmp1);variance_combinations.push(tmp2)}for(i=1;i<n_classes+1;i++){lower_class_limits[1][i]=1;
variance_combinations[1][i]=0;for(j=2;j<data.length+1;j++){variance_combinations[j][i]=Infinity}}for(var l=2;l<data.length+1;l++){var sum=0,sum_squares=0,w=0,i4=0;for(var m=1;m<l+1;m++){var lower_class_limit=l-m+1,val=data[lower_class_limit-1];w++;sum+=val;sum_squares+=val*val;variance=sum_squares-sum*sum/w;i4=lower_class_limit-1;if(i4!==0){for(j=2;j<n_classes+1;j++){if(variance_combinations[l][j]>=variance+variance_combinations[i4][j-1]){lower_class_limits[l][j]=lower_class_limit;variance_combinations[l][j]=variance+variance_combinations[i4][j-1]}}}}lower_class_limits[l][1]=1;variance_combinations[l][1]=variance}return{lower_class_limits:lower_class_limits,variance_combinations:variance_combinations}}function jenksBreaks(data,lower_class_limits,n_classes){var k=data.length-1,kclass=[],countNum=n_classes;kclass[n_classes]=data[data.length-1];kclass[0]=data[0];while(countNum>1){kclass[countNum-1]=data[lower_class_limits[k][countNum]-2];k=lower_class_limits[k][countNum]-1;countNum--}return kclass}function jenks(data,n_classes){if(n_classes>data.length)return null;data=data.slice().sort(function(a,b){return a-b});var matrices=jenksMatrices(data,n_classes),lower_class_limits=matrices.lower_class_limits;return jenksBreaks(data,lower_class_limits,n_classes)}function sample_skewness(x){if(x.length<3)return null;var n=x.length,cubed_s=Math.pow(sample_standard_deviation(x),3),sum_cubed_deviations=sum_nth_power_deviations(x,3);return n*sum_cubed_deviations/((n-1)*(n-2)*cubed_s)}var 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cumulative_std_normal_probability(z){var absZ=Math.abs(z),row=Math.floor(absZ*10),column=10*(Math.floor(absZ*100)/10-Math.floor(absZ*100/10)),index=Math.min(row*10+column,standard_normal_table.length-1);if(z>=0){return standard_normal_table[index]}else{return+(1-standard_normal_table[index]).toFixed(4)}}function z_score(x,mean,standard_deviation){return(x-mean)/standard_deviation}function mixin(){var support=!!(Object.defineProperty&&Object.defineProperties);if(!support)throw new Error("without defineProperty, simple-statistics cannot be mixed in");var arrayMethods=["median","standard_deviation","sum","sample_skewness","mean","min","max","quantile","geometric_mean","harmonic_mean"];function wrap(method){return function(){var args=Array.prototype.slice.apply(arguments);args.unshift(this);return ss[method].apply(ss,args)}}for(var i=0;i<arrayMethods.length;i++){Object.defineProperty(Array.prototype,arrayMethods[i],{value:wrap(arrayMethods[i]),configurable:true,enumerable:false,writable:true})}}ss.linear_regression=linear_regression;ss.standard_deviation=standard_deviation;ss.r_squared=r_squared;ss.median=median;ss.mean=mean;ss.mode=mode;ss.min=min;ss.max=max;ss.sum=sum;ss.quantile=quantile;ss.quantile_sorted=quantile_sorted;ss.iqr=iqr;ss.mad=mad;ss.sample_covariance=sample_covariance;ss.sample_correlation=sample_correlation;ss.sample_variance=sample_variance;ss.sample_standard_deviation=sample_standard_deviation;ss.sample_skewness=sample_skewness;ss.geometric_mean=geometric_mean;ss.harmonic_mean=harmonic_mean;ss.variance=variance;ss.t_test=t_test;ss.t_test_two_sample=t_test_two_sample;ss.jenksMatrices=jenksMatrices;ss.jenksBreaks=jenksBreaks;ss.jenks=jenks;ss.bayesian=bayesian;ss.z_score=z_score;ss.cumulative_std_normal_probability=cumulative_std_normal_probability;ss.standard_normal_table=standard_normal_table;ss.average=mean;ss.interquartile_range=iqr;ss.mixin=mixin;ss.median_absolute_deviation=mad})(this)},{}]},{},[1])(1)});