D3 Examples - Olympic 100M Dash Medals - Chart Resizing, Event Listeners, Voronoi Overlay

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<!DOCTYPE html>
<meta charset="utf-8">
<title>Olympics 100 Meter Dash</title>
<style type="text/css">
​
  body {
    font-family: arial, sans;
    font-size: 13px;
    margin: 10px auto;
    max-width:900px;
  }
​
  .g-graphic-container{
    position: relative;
    max-width: 900px;
  }
​
  svg{
    max-width: 900px;
/*    border: thin solid #f0f;*/
  }
​
  .line {
    fill:none;
  }
​
  .axis text {
    font-size: 12px;
    fill: #777;
  }
​
  .axis path {
    display: none;
  }
​
  .axis line {
    stroke-width:.3px;
    stroke: #dedede;
    /*stroke-dasharray: 2px 2px;*/
  }
​
  .country-container {
    display: inline-block;
    margin-right:10px;
  }
​
  .info{
    position: absolute;
    top: 10px;
    left: 250px;
  }
​
  .country-label{
    position: absolute;
    top:15px;
    left:150px;
  }
​
  #countrySelect{
    position: absolute;
    top: 30px;
    left:500px;
  }
​
  #decileSelect{
    position: absolute;
    top: 30px;
    left:650px;
  }
​
  table {
    width: 120px;
    margin: 10px 10px;
    border-collapse: collapse;
    position: absolute;
  }
​
  .g-num {
    text-align: left;
  } 
​
  td {
    padding: 3px 0;
    border-bottom: 1px solid #dedede;
  }
​
  .medal-table{
    position: absolute;
    top: 100px;
    left: 120px;
    background-color: white;
  }
​
  .tooltip{
    border: thin solid #dedede;
    visibility: hidden;
    display: inline-block;
    position: absolute; 
    left:275px; 
    top:20px;
    background-color: white;
    padding: 10px;
  }
​
  .g-row{
    cursor: pointer;
  }
​
  h1{
    position: relative;
    font-size: 25px;
    top:10px;
    left: 200px;
    color:#606060;
  }
​
  path{
    fill:white;
    fill-opacity: 0.1;
    stroke: #f0f;
  }
​
  path:hover{
    fill:orange;
  }
​
​
</style>
​
<body>
<div class="g-graphic-container">
    <h1>Olympic 100 Meter Dash Records</h1>
    <div class="info"></div>
    <div class="tooltip">
      <div class="athlete-name"></div>
      <div class="origin-country"></div>
      <div class="win-year"></div>
      <div class="medal-status"></div>
      <div class="meters-back"></div>
      <div class="seconds-back"></div>
    </div>
  </div>
​
</body>
​
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js" charset="utf-8"></script>
​
<script type="text/javascript">
​
  var countryMap = {
    "USA": "United States",
    "GBR": "Great Britain",
    "JAM": "Jamaica",
    "CAN": "Canada",
    "TRI": "Trinidad and Tobago",
    "AUS": "Australia",
    "GER": "Germany",
    "NAM": "Namibia",
    "CUB": "Cuba",
    "URS": "Soviet Union",
    "BAR": "Barbados",
    "EUA": "United Team of Germany",
    "HUN": "Hungary",
    "PAN": "Panama",
    "NED": "Netherlands",
    "POR": "Portugal",
    "NZL": "New Zealand",
    "RSA": "South Africa",
    "BUL": "Bulgaria" 
  };
​
  var colors = {
    "GOLD": "#efcf6d", 
    "SILVER": "#b0b0b1", 
    "BRONZE": "#c59e8a" 
  }
  
  var margin = {top: 20, right: 50, bottom: 20, left: 80};
  var reSpace = new RegExp(" ", 'g');
​
  var graphic = d3.select(".g-graphic-container");
​
  var width = graphic.node().clientWidth - margin.left - margin.right,
      height = 600  - margin.top - margin.bottom;
​
  var xScale = d3.scale.linear()
      .range([width,0]);
​
  var yScale = d3.scale.ordinal()
      // .range([height, 0]);
      .rangeRoundPoints([0, height]);
​
  var xAxis = d3.svg.axis()
      .scale(xScale)
      .tickSize(-height)
      .tickPadding(8)
      .tickFormat(d3.round)
      .orient("bottom");
​
  var yAxis = d3.svg.axis()
      .scale(yScale)
      .tickSize(-width)
      .tickPadding(8)
      .orient("right");
​
  var globalData;
​
  //https://stackoverflow.com/questions/14167863/how-can-i-bring-a-circle-to-the-front-with-d3
  d3.selection.prototype.moveToFront = function() {
    return this.each(function(){
      this.parentNode.appendChild(this);
    });
  };
​
  var svg = d3.select("body").append("svg")
        .attr("width", width + margin.left + margin.right)
        .attr("height", height + margin.top + margin.bottom)
        .append("g")
        .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
​
  var countryNest;
​
  d3.tsv("medalists.tsv", ready);
​
  function mouseoverMedal(d){
    var sel = d3.select(this);
    sel.moveToFront();
    sel.style("stroke","black").style("stroke-width","2px");
    d3.select(".tooltip")
      .style("visibility","visible")
      .style("transform","translate("+(d3.mouse(this)[0]-366)+"px,"+(d3.mouse(this)[1]-10)+"px)");
    d3.select(".athlete-name").text(d.name);
    d3.select(".win-year").text(d.year);
    d3.select(".medal-status").text(d.medal);
    d3.select(".meters-back").text("Meters Back: "+Number((d.metersBack).toFixed(4)));
    d3.select(".seconds-back").text("Seconds Behind: "+Number((d.secondsBehind).toFixed(4)));
    d3.select(".origin-country").text(d.country);
  }
​
  function mouseoverTable(d){
    d3.select(this).style("background-color","#fdfd96");
    d3.selectAll("#"+d.key.replace(reSpace,"-"))
      .style("stroke","black")
      .style("stroke-width","2px");
  }
​
  function mouseleaveMedal(){
    d3.select(".tooltip").style("visibility","hidden");
    d3.select(this).style("stroke","none");
  }
​
  function mouseleaveTable(d){
    d3.select(this).style("background-color","white");
    d3.selectAll("#"+d.key.replace(reSpace,"-"))
      .style("stroke","none");
  }
​
  function createTable(countryNest){
​
    var table = d3.select("body")
                  .append("table")
                  .attr("class","medal-table");
​
    var row = table.selectAll(".g-row")
    .data(countryNest)
    .enter().append("tr")
    .attr("class", "g-row")
    .on("mouseover",mouseoverTable)
    .on("mouseleave",mouseleaveTable);
​
    row.append("td")
      .attr("class", "g-x g-num")
      .text(function(d) { return d.key;});
​
    row.append("td")
      .attr("class", "g-y g-num")
      .text(function(d){ return d.values;});
  }
​
  function polygon(d) {
    return "M" + d.join("L") + "Z";
  }
​
  //https://bl.ocks.org/mbostock/8033015
  function addVoronoi(){
​
    var voronoi = d3.geom.voronoi()
                    .clipExtent([[-margin.left, -margin.top], [width + margin.right, height + margin.bottom]]);
​
    verticies = globalData.map(function(d){
      //needs a random for some reason...
      return [xScale(d.metersBack)+Math.random(),yScale(d.year)+Math.random()]
    });
        
    svg.append("g").selectAll("path")
        .data(voronoi(verticies), polygon)
        .enter().append("path")
        .attr("d", polygon)
        //bind the mouseover data to the global data datum by index, not the polygon itself
        .datum(function(d,i){return globalData[i]})
        .on("mouseover",function(d){
            console.log(d);
        });
  }
​
  function ready(error, data) {
    if (error) return console.warn(error);
​
    var winnerTime = parseFloat(data[0].time);
​
    data.forEach(function(d){
      d.time = parseFloat(d.time);
      d.countryCode = d.countryCode.trim();
      d.country = countryMap[d.countryCode];
      d.medal =d.medal.trim();
      //100M Dash
      d.secondsBehind = d.time - winnerTime;
      var metersPerSecond = 100/d.time;
      d.metersBack = d.secondsBehind * metersPerSecond;
    });
​
    globalData = data;
 
    var countryNest = d3.nest()
                        .key(function(d){return d.country;})
                        .rollup(function(leaves) { return leaves.length; })
                        .entries(data);
​
​
    countryNest.sort(function(a,b){return b.values - a.values; });
  
​
    var years = data.map(function(d){return d.year;})
    yearArray = d3.set(years).values();
​
    xScale.domain(d3.extent(data,function(d){return d.metersBack;}));
    yScale.domain(yearArray.reverse());   
​
    svg.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + (height) + ")")
        .call(xAxis)
        .selectAll("g");
​
    svg.append("g")
        .attr("class", "y axis")
        .attr("transform", "translate("  +width+ ",0)")
        .call(yAxis);
​
    addVoronoi();
​
    svg.selectAll("circle")
        .data(data)
        .enter()
        .append("circle")
        .attr("r",5)
        .attr("class","medal")
        .attr("id",function(d){return d.country.replace(reSpace,"-");})
        .attr("cx",function(d){return xScale(d.metersBack);})
        .attr("cy",function(d){return yScale(d.year)})
        .style("fill",function(d){return colors[d.medal];})
        .on("mouseover",mouseoverMedal)
        .on("mouseleave", mouseleaveMedal);
​
    createTable(countryNest);
​
}
function updateWindow(){
  width = graphic.node().clientWidth - margin.left - margin.right;
​
  if(width<=460){
    d3.select(".medal-table").style("visibility","hidden").style("left","50px");
    d3.select("h1").style("font-size","11px");
  }
  else{
    d3.select("h1").style("font-size","25px");
    d3.select(".medal-table").style("visibility","visible"); 
  }
​
  xScale.range([width,0]);
​
  d3.select("svg").attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom);
​
  svg.selectAll("circle")
      .attr("cx",function(d){return xScale(d.metersBack);});
​
  svg.select(".y")
      .attr("transform", "translate("  +width+ ",0)");
​
  svg.select(".x")
        .attr("transform", "translate(0," + (height) + ")")
        .call(xAxis);
​
}
window.onresize = updateWindow;
​
</script>
    