User can view a heat map with data represented both on the Y and X axis. Each cell is colored based its relationship to other data. User can mouseover a cell in the heat map to get more exact information.
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Data Visualization with Multi-Bar Chart
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| <div class="container-fluid nopadding"> | |
| <nav class="navbar navbar-inverse navbar-fixed-top topnav" role="navigation"> | |
| <div class="navbar-header"> | |
| <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#toggle-nav" aria-expanded="false"> | |
| <span class="sr-only">Toggle navigation</span> | |
| <span class="icon-bar"></span> | |
| <span class="icon-bar"></span> | |
| <span class="icon-bar"></span> | |
| </button> | |
| <a class="navbar-brand font-effect-neon" target=_blank href="http://codepen.io/rfprod"><span class="glyphicon glyphicon-wrench"></span> RFProd</a> | |
| </div> | |
| <div class="collapse navbar-collapse" id="toggle-nav"> | |
| <div class="container-fluid"> | |
| <ul class="nav navbar-nav navbar-right font-effect-emboss"> | |
| <li class="nav-tabs"><a href="#approot"><span class="glyphicon glyphicon-stats"></span> Data Visualization with Multi-Bar Chart</a></li> | |
| <li class="nav-tabs"><a href="https://gist.github.com/rfprod/0da99e5b689c665322e4" target=_blank><span class="glyphicon glyphicon-download-alt" ></span> GIST</a></li> | |
| </ul> | |
| </div> | |
| </div> | |
| </nav> | |
| <a name="approot"></a> | |
| <div class="home sect"> | |
| <div class="container-fluid"> | |
| <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12"> | |
| <h2 class="hidden-sm hidden-md hidden-xl"><span class="glyphicon glyphicon-stats"></span> Data Visualization with Multi-Bar Chart</h2> | |
| <div id="output"> | |
| Output | |
| </div> | |
| <span class="credits">info <a href="https://d3js.org/" target=_blank>D3.js</a> | <a href="https://raw.githubusercontent.com/FreeCodeCamp/ProjectReferenceData/master/global-temperature.json" target=_blank>data</a> <br/>licence <a href="http://www.gnu.org/licenses/gpl-3.0.en.html" target=_blank>GPL 3.0</a></span> | |
| </div> | |
| </div> | |
| </div> | |
| </div> |
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| $(document).on('ready',function(){ | |
| (function (){ | |
| var UserInstructionsAndGDPChart = React.createClass({ | |
| render: function(){ | |
| return ( | |
| <span> | |
| <p id="user-instructions">Monthly Global Land-Surface Temperature visualization using D3.js.</p> | |
| <div id="temp"></div> | |
| </span> | |
| ); | |
| } | |
| }); | |
| ReactDOM.render(<UserInstructionsAndGDPChart />,document.getElementById('output')); | |
| var chartContainerObj = d3.select('#temp'); | |
| var monthNames = ['January','February','March','April','May','June','July','August','September','October','November','December']; | |
| $.getJSON('https://raw.githubusercontent.com/FreeCodeCamp/ProjectReferenceData/master/global-temperature.json', function(json){ | |
| var years = [], months = [], uniqueYearsCounter = 0; | |
| var baseTemp = json['baseTemperature']; | |
| var monthlyVar = json['monthlyVariance']; | |
| for (var i=0;i<monthlyVar.length;i++){ | |
| if (years.indexOf(monthlyVar[i].year) == -1) uniqueYearsCounter++; | |
| years.push(monthlyVar[i].year); | |
| months.push(monthlyVar[i].month); | |
| } | |
| var minYr = d3.min(years,function(val,i){return val;}); | |
| var maxYr = d3.max(years,function(val,i){return val;}); | |
| chartContainerObj.append('p').attr('id','user-instructions').html('Temperature values are presented in °C<br>Year range: '+minYr+' - '+maxYr); | |
| //console.log('years: '+years); | |
| //console.log('months: '+months); | |
| var k = 0, windowWidth = $(window).width(); | |
| if (windowWidth < 1000) k = windowWidth/500; | |
| else k = windowWidth/500; | |
| var width = $('#temp').width()-75*k, height = 400; | |
| var rectHeight = height/monthNames.length, rectWidth = width/uniqueYearsCounter; | |
| chartContainerObj.append('svg').attr('class','chart'); | |
| chartContainerObj.append('svg').attr('class','legend'); | |
| var chartObj = d3.select('.chart').attr("width", width).attr("height", height); | |
| var legendObj = d3.select('.legend').attr("width", width).attr("height", rectHeight*2); | |
| var legendVarData = [{'v':'t<'+(baseTemp-2),'variance':-2.1},{'v':(baseTemp-2)+'<=t<'+(baseTemp-1),'variance':-1.5},{'v':(baseTemp-1)+'<=t<'+(baseTemp),'variance':-0.5},{'v':'t='+baseTemp,'variance':0},{'v':baseTemp+'<=t<'+(baseTemp+1),'variance':0.5},{'v':(baseTemp+1)+'<=t<'+(baseTemp+2),'variance':1.5},{'v':'t>='+(baseTemp+2),'variance':2.1}]; | |
| var y = d3.scale.ordinal().domain(monthNames).rangeRoundBands([height,10*k]); | |
| var x = d3.scale.linear().domain([d3.min(years, function(val) {return val;}), d3.max(years, function(val) {return val;})]).range([0,width]); | |
| var div = d3.select("body").append("div").attr("class", "tooltip").style("opacity", 0); | |
| var tooltip = d3.select('.tooltip'); | |
| var xCursorPosition = 0, yCursorPosition = 0; | |
| var legend = legendObj.selectAll('g').data(legendVarData).enter() | |
| .append('g') | |
| .attr("transform", function(val, i) {return "translate("+(width*i/7)+",0)";}); | |
| legend.append('rect') | |
| .attr('id', function(val,i){ | |
| console.log('val: '+JSON.stringify(val)); | |
| if (val.variance < -2) return 'var-0'; | |
| if (val.variance >= -2 && val.variance < -1) return 'var-1'; | |
| if (val.variance >= -1 && val.variance < 0) return 'var-2'; | |
| if (val.variance > 0 && val.variance < 1) return 'var-3'; | |
| if (val.variance >= 1 && val.variance < 2) return 'var-4'; | |
| if (val.variance >= 2) return 'var-5'; | |
| return "var-null"; | |
| }) | |
| .attr("class", function(val,i){return "rect-marker";}) | |
| .attr("x", 60) | |
| .attr("y", 0) | |
| .attr("width", width/7) | |
| .attr("height", rectHeight); | |
| legend.append("text") | |
| .attr("x", 60) | |
| .attr("y", rectHeight * 1.5) | |
| .attr("dy", ".35em") | |
| .text(function(val) {return val.v;}); | |
| var rect = chartObj.selectAll('g').data(monthlyVar).enter() | |
| .append('g') | |
| .attr('class','animated fadeIn') | |
| .attr("transform", function(val, i) {return "translate(60,0)";}); | |
| rect.append("rect") | |
| .attr('id', function(val,i){ | |
| if (val.variance < -2) return 'var-0'; | |
| if (val.variance >= -2 && val.variance < -1) return 'var-1'; | |
| if (val.variance >= -1 && val.variance < 0) return 'var-2'; | |
| if (val.variance > 0 && val.variance < 1) return 'var-3'; | |
| if (val.variance >= 1 && val.variance < 2) return 'var-4'; | |
| if (val.variance >= 2) return 'var-5'; | |
| return "var-null"; | |
| }) | |
| .attr("class", function(val,i){return "rect-marker "+i;}) | |
| .attr("x",function(val){return x(val.year);}) | |
| .attr("y",function(val){return y(monthNames[val.month-1]);}) | |
| .attr("width", rectWidth) | |
| .attr("height", rectHeight) | |
| .on("mouseover", function(){ | |
| document.onmousemove = function(e){ | |
| xCursorPosition = e.pageX; | |
| yCursorPosition = e.pageY; | |
| } | |
| d3.select(this).transition() | |
| .duration(100) | |
| .style("opacity", .3); | |
| div.transition() | |
| .duration(100) | |
| .style("opacity", .9); | |
| console.log(d3.select(this).attr('id')); | |
| }) | |
| .on("mousemove", function(){ | |
| tooltip.style("left",xCursorPosition+"px"); | |
| tooltip.style("top",yCursorPosition-30+"px"); | |
| var index = d3.select(this).attr('class').substr(12,d3.select(this).attr('class').length-1); | |
| var dataObj = monthlyVar[index]; | |
| tooltip.html('Year: '+dataObj.year+'<br>Month: '+dataObj.month+'<br>Base Temperature: '+baseTemp+'<br>Variance: '+dataObj.variance+'<br>Final Temperature: '+(Math.floor((baseTemp+dataObj.variance)*1000)/1000)); | |
| }) | |
| .on("mouseout", function(){ | |
| document.onmousemove = null; | |
| d3.select(this).transition() | |
| .duration(400) | |
| .style("opacity", 1); | |
| div.transition() | |
| .duration(400) | |
| .style("opacity", 0); | |
| }); | |
| var margin = {top: 10, right: 20, bottom: 30, left: 60}; | |
| chartObj | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + "0)"); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom") | |
| .ticks(10,'yr'); | |
| chartObj.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate("+margin.left+"," + height + ")") | |
| .call(xAxis) | |
| .append("text") | |
| .attr('class','axis-label') | |
| .attr("text-anchor", "middle") | |
| .attr("transform", "translate("+ (width/2) +","+margin.bottom+")") | |
| .text("Years"); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| chartObj.append("g") | |
| .attr("class", "y axis") | |
| .attr("transform", "translate(" + margin.left + ",0)") | |
| .call(yAxis); | |
| }); | |
| })(); | |
| }); |
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| <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/react/0.14.7/react.min.js"></script> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/react/0.14.7/react-dom.js"></script> | |
| <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> | |
| <script src="https://d3js.org/d3.v3.min.js"></script> |
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| $black: #000000 | |
| $white: #ffffff | |
| $grey: #bfbfbf | |
| $blue: #3366cc | |
| $green: #33cc33 | |
| $darkblue1: #000066 | |
| $darkblue2: #0000ff | |
| $lightyellow: #ffff99 | |
| $yellow: #ffff00 | |
| $orange: #ff6600 | |
| $red: #ff3300 | |
| body | |
| color: $black | |
| font-family: 'Play', sans-serif | |
| font-size: 2.2em | |
| overflow-x:hidden | |
| .tooltip | |
| position: absolute | |
| text-align: center | |
| width: auto !important | |
| height: auto !important | |
| padding: 2px | |
| font: 12px sans-serif | |
| background: lightsteelblue | |
| border: 0px | |
| border-radius: 8px | |
| pointer-events: none | |
| .nopadding | |
| padding: 0 | |
| .navbar-brand | |
| font-size: 1em | |
| .home | |
| min-height: 100vh | |
| height: auto !important | |
| .sect | |
| padding-top: 8vh | |
| .githublogo | |
| height: 1em | |
| h2 | |
| text-align: center | |
| font-weight: bold | |
| #output | |
| text-align: center | |
| width: 100% | |
| height: auto !important | |
| #user-instructions | |
| text-align: center | |
| font-size: 0.75em | |
| margin-top: 1em | |
| #temp | |
| display: block | |
| background-color: $grey | |
| padding-top: 1em | |
| padding-left: 1em | |
| .legend | |
| width: 97% | |
| font: 10px sans-serif | |
| .rect | |
| display: inline-block | |
| #var-null | |
| fill: $lightyellow | |
| #var-0 | |
| fill: $darkblue1 | |
| #var-1 | |
| fill: $darkblue2 | |
| #var-2 | |
| fill: $blue | |
| #var-3 | |
| fill: $yellow | |
| #var-4 | |
| fill: $orange | |
| #var-5 | |
| fill: $red | |
| text | |
| fill: $black | |
| .chart | |
| width: 97% | |
| .rect-marker | |
| display: inline-block | |
| rect | |
| fill: $blue | |
| #var-null | |
| fill: $lightyellow | |
| #var-0 | |
| fill: $darkblue1 | |
| #var-1 | |
| fill: $darkblue2 | |
| #var-2 | |
| fill: $blue | |
| #var-3 | |
| fill: $yellow | |
| #var-4 | |
| fill: $orange | |
| #var-5 | |
| fill: $red | |
| text | |
| fill: $black | |
| .axis | |
| text | |
| font: 9px sans-serif | |
| path, line | |
| fill: none | |
| stroke: $black | |
| shape-rendering: crispEdges | |
| .axis-label | |
| font: 15px sans-serif | |
| .hidden | |
| display: none | |
| a | |
| text-decoration: none | |
| .credits | |
| display: block | |
| text-align: center | |
| font-size: 0.75em | |
| a:hover | |
| text-decoration: none |
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| <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" /> | |
| <link href="//cdnjs.cloudflare.com/ajax/libs/animate.css/3.2.3/animate.min.css" rel="stylesheet" /> | |
| <link href="https://fonts.googleapis.com/css?family=Play&effect=neon" rel="stylesheet" /> |
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