heatmap-minified.js

/*Author:SunitRaut <github.com/SunitRaut/> | License: GPL-3.0 | View library on github: https://github.com/SunitRaut/Heatmap-Visualization-JS/ */
//Minified JS below
class HeatMap {constructor(){this.sensing_circle_radius = 10;this.sensing_ellipse_radius = 22;this.sensing_ellipse_param = 0.8;this.wind_speed=0;this.wind_dir=0;this.colorMax=[255,0,0];this.colorMin=[0,255,0];this.colorCase=[1,-1,0];this.resolution = 50;this.spread = 0.8;}setMaxMin(cMax,cMin){this.colorMax=cMax;this.colorMin=cMin;this.calculateColorCase();}calculateColorCase(){for(var i=0;i<3;i++){if(this.colorMax[i]==this.colorMin[i]){this.colorCase[i]=0;}else if(this.colorMax[i]>this.colorMin[i]){this.colorCase[i]=1;}else{this.colorCase[i]=-1;}}}postSomething(){console.log("Posted Something");}setResolution(res){this.resolution = res;}defineRegion(locations){this.locations = locations;this.pxPerLength = 40000;var LatList=[];var LngList=[];for(var a=0;a<((this.locations).length);a++){  LatList[a] = Number(this.locations[a][0]); LngList[a] = Number(this.locations[a][1]);}console.log("Hello");var avg=0;var nCount=0;for(var a=0;a<((this.locations).length-1);a++){  for(var b=a+1;b<((this.locations).length);b++){ var f1= Math.abs(LatList[a]-LatList[b]);  var f2= Math.abs(LngList[a]-LngList[b]); var f = f1*f1+f2*f2; var df = Math.sqrt(f);   avg+=df; nCount++;}}avg = avg / nCount;console.log(avg);this.avgdis = avg;this.sensing_circle_radius = this.resolution/2;this.sensing_ellipse_radius = this.spread*this.resolution;this.sensing_ellipse_param = 0.8;  this.vNorth = max(LatList)+2*this.avgdis; this.vSouth = min(LatList)-2*this.avgdis; this.vEast = max(LngList)+2*this.avgdis; this.vWest = min(LngList)-2*this.avgdis;  this.LatPx = []; this.LngPx = []; for(var a=0;a<((this.locations).length);a++){  this.LatPx[a]=Math.ceil((this.vNorth-LatList[a])*(this.resolution/this.avgdis)); this.LngPx[a]=Math.floor((LngList[a]-this.vWest)*(this.resolution/this.avgdis));} this.vHeight=Math.ceil((this.vNorth-this.vSouth)*(this.resolution/this.avgdis)); this.vWidth=Math.ceil((this.vEast-this.vWest)*(this.resolution/this.avgdis));var dfCount=0;var ellipseSet1 = [];var ellipseSet2 = [];var dfLength = [];for(var a=0;a<((this.locations).length-1);a++){  for(var b=a+1;b<((this.locations).length);b++){ var f1= Math.abs(this.LatPx[a]-this.LatPx[b]);  var f2= Math.abs(this.LngPx[a]-this.LngPx[b]); var f = f1*f1+f2*f2; var df = Math.sqrt(f); console.log(2*this.resolution+","+df);  if(df<=(2*this.resolution)) {ellipseSet1[dfCount]=a;ellipseSet2[dfCount]=b;dfLength[dfCount]=df;dfCount++;}}}var imageBounds = {north : this.vNorth,south : this.vSouth,east : this.vEast,west : this.vWest};this.iMap = [];for(let i = 0; i < this.vWidth; i++) {this.iMap[i] = [];for(let j = 0; j < this.vHeight; j++) {this.iMap[i][j] = 0;}} for (var i = 0; i < this.vWidth; i++) {for (var j = 0; j < this.vHeight; j++) {this.iMap[i][j]=0;var dCount=0;for(var a=0;a<(dfLength).length;a++){  var ellipseMid1 = (this.LatPx[ellipseSet1[a]] + this.LatPx[ellipseSet2[a]])/2 ; var ellipseMid2 = (this.LngPx[ellipseSet1[a]] + this.LngPx[ellipseSet2[a]])/2 ; var e1= Math.abs(this.LatPx[ellipseSet1[a]]-j);  var e2= Math.abs(this.LngPx[ellipseSet1[a]]-i); var e3= Math.abs(this.LatPx[ellipseSet2[a]]-j); var e4= Math.abs(this.LngPx[ellipseSet2[a]]-i); var e5= Math.abs(ellipseMid1-j);  var e6= Math.abs(ellipseMid2-i); var e8 = e1*e1+e2*e2; var e9 = e3*e3+e4*e4; var e10 = e5*e5+e6*e6; var d1 = Math.sqrt(e8); if(d1>2*this.resolution) continue; var d2 = Math.sqrt(e9); if(d2>2*this.resolution) continue; var d3 = Math.sqrt(e10);   if ((Math.abs(d1+d2-(this.sensing_ellipse_param*d3)))<=((2-this.sensing_ellipse_param)*(this.sensing_ellipse_radius))) {dCount++;break;}     }for(var a=0;a<((this.locations).length);a++){  var e1= Math.abs(this.LatPx[a]-j);  var e2= Math.abs(this.LngPx[a]-i);  var e5 = e1*e1+e2*e2;  var d = Math.sqrt(e5);  if (d<=this.sensing_circle_radius) dCount++; if (d<=1) this.iMap[i][j]=2; }if((dCount>0)&&(this.iMap[i][j]!=2)){  this.iMap[i][j]=1;} }} return this.iMap;} createHeatMap(data){this.data = data;var weight=0;var computation=0;this.wMap=[];for(let i = 0; i < this.vWidth; i++) {this.wMap[i] = [];for(let j = 0; j < this.vHeight; j++) {this.wMap[i][j] = 0;}}for (var i = 0; i < this.vWidth; i++) {for (var j = 0; j < this.vHeight; j++) {var dCount=0;var wei=[];var dis=[];var distances=[];var wCount=0;var mul=1;var sum=0; var dSum=0;if(this.iMap[i][j]!=0){for(var a=0;a<((this.locations).length);a++){ var ed1= Math.abs(this.LatPx[a]-j);  var ed2= Math.abs(this.LngPx[a]-i); var ed8 = ed1*ed1+ed2*ed2; var dd1 = Math.sqrt(ed8);var ddd1 = dd1;if(this.wind_speed>0){var x=i;var y=-1*j;var x1=this.LngPx[a];var y1=-1*this.LatPx[a];var slope=(y1-y)/(x1-x);var angle = Math.atan(slope)*(180/3.14);var theta=0;var heading=0;if((x>x1)&&(y>y1)) theta=0+angle; if((x<x1)&&(y>y1)) theta=180+angle; if((x<x1)&&(y<y1)) theta=180+angle; if((x>x1)&&(y<y1)) theta=360+angle; heading = (450-theta)%360;var diff=0; if(heading-this.wind_dir<=180)diff = Math.abs(heading - this.wind_dir);else if (heading-this.wind_dir>=180)diff = Math.abs(360-(heading-this.wind_dir))%180;ddd1 = (0.1)*(this.wind_speed)*Math.pow(((diff)/180),2)+dd1;}if((dd1)<(2*this.resolution)) {distances[wCount]=dd1;wei[wCount]=this.data[a];dis[wCount]=ddd1;wCount++;}}sum=0;for(var bi=0;bi<dis.length;bi++){ mul=wei[bi]; for(var bj=0;bj<dis.length;bj++) { if(bj!=bi) mul*=Math.pow(dis[bj],2);} sum+=mul;} dSum=0;for(var bi=0;bi<dis.length;bi++){ mul=1; for(var bj=0;bj<dis.length;bj++) { if(bj!=bi) mul*=Math.pow(dis[bj],2);} dSum+=mul;}weight=0;weight = sum/dSum;this.wMap[i][j]=weight;}}}var filter=[[1,1,1],[1,1,1],[1,1,1]];for (var i = 0; i < this.vWidth-3; i++) {for (var j = 0; j < this.vHeight-3; j++) {if(this.iMap[i][j]!=0){var sum=0;var fsum=0;for(var a=0;a<9;a++){var aa=Math.floor(a/3);var ab=a%3;if(this.iMap[i+aa][j+ab]!=0){sum+=this.wMap[i+aa][j+ab];fsum+=1;}}sum=sum/fsum;var w=sum;if (w>100) {w=100;}this.wMap[i][j]=[];this.wMap[i][j]['red'] = 0;this.wMap[i][j]['green'] = 0;this.wMap[i][j]['blue'] = 0;var red,green,blue=0;if(this.colorCase[0]==1){if(w<=50){red = ((this.colorMax[0]-this.colorMin[0])*2*(w)/100) + this.colorMin[0];}else {red = this.colorMax[0];}}else if(this.colorCase[0]==-1){if(w<=50){red = this.colorMin[0];}else{red = ((this.colorMin[0]-this.colorMax[0])*(100-w))/100 + this.colorMax[0];}}else{red = this.colorMin[0];}if(this.colorCase[1]==1){if(w<=50){green = ((this.colorMax[1]-this.colorMin[1])*2*(w)/100) + this.colorMin[1];}else {green = this.colorMax[1];}}else if(this.colorCase[1]==-1){if(w<=50){green = this.colorMin[1];}else{green = ((this.colorMin[1]-this.colorMax[1])*(100-w))/100 + this.colorMax[1];}}else{ green = this.colorMin[1];}if(this.colorCase[2]==1){if(w<=50){blue = ((this.colorMax[2]-this.colorMin[2])*2*(w)/100) + this.colorMin[2];}else {blue = this.colorMax[2];}}else if(this.colorCase[2]==-1){if(w<=50){blue = this.colorMin[2];}else{blue = ((this.colorMin[2]-this.colorMax[2])*(100-w))/100 + this.colorMax[2];}}else{blue = this.colorMin[2]; }if(red>255) red = 255;if(green>255) green = 255;if(blue>255) blue = 255;red = Math.floor(red);green = Math.floor(green);blue = Math.floor(blue);red = red - red%4;green = green - green%4;blue = blue - blue%4;this.wMap[i][j]['red'] = red;this.wMap[i][j]['green'] = green;this.wMap[i][j]['blue'] = blue;}}}return this.wMap;}}function max(input) {   if (toString.call(input) !== "[object Array]")     return false; return Math.max.apply(null, input);}function min(input) {   if (toString.call(input) !== "[object Array]")     return false; return Math.min.apply(null, input);}