D3 Examples - Grippe 2014

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v3.min.js"></script>
<style>
    .region {
        fill: #000;
        stroke: #fff;
        stroke-width: 1px;
    }
    .region:hover {
        fill: #666;
    }
    .hidden {
        display: none;
    }
    div.tooltip {
        color: #222;
        background-color: #fff;
        padding: .5em;
        text-shadow: #f5f5f5 0 1px 0;
        border-radius: 2px;
        opacity: 0.9;
        position: absolute;
    }
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  <script>
        var width = 700,
          height = 580;
    var displayValue = d3.format(",.0f");
​
        var svg = d3.select( "body" )
        .append( "svg" )
          .attr( "width", width )
          .attr( "height", height );
​
    var projection = d3.geo.conicConformal()
              .translate([width/2, height/2])
                .center([2.454071, 46.279229]).scale(3000);
    
​
    var path = d3.geo.path()
                 .projection(projection);
   
    var color = d3.scale.quantize()  
                .range(["rgb(237,248,233)",
                                    "rgb(186,228,179)",
                  "rgb(116,196,118)",
                  "rgb(49,163,84)",
                  "rgb(0,109,44)"]);
    
    d3.csv("GrippeFrance2014.csv", function(data) {
​
    d3.json("regionsFrance.json", function(json) {
      //On fusionne les donnees avec le GeoJSON
      for (var i =0; i < data.length; i++) {
        var dataregion = data[i].region;
        var dataValue = 0;
        var key=d3.keys(data[i])
        for (n=1;n<d3.keys(data[i]).length-1;n++){
          var slice=key[n].slice(3,5)
          if(slice=="11"){
            dataValue=dataValue+parseFloat(data[i][key[n]]);
           
          }   
          
        }
       
        /* Méthode classique var dataValue=parseFloat(data[i]["02/11/14"])+parseFloat(data[i]["09/11/14"])+parseFloat(data[i]["16/11/14"])+parseFloat(data[i]["23/11/14"])+parseFloat(data[i]["30/11/14"])*/
     
        
        for (var j = 0; j < json.features.length; j++) {
                var jsonregion = json.features[j].properties.nom;
          
                if (dataregion == jsonregion) {
                  
                    json.features[j].properties.value = dataValue;
                  console.log(dataValue);
​
                    break;}
        }
      }
          color.domain([0, 200]);
        var tooltip = d3.select('body').append('div')
                    .attr('class', 'hidden tooltip');
   
      svg.selectAll("path")
         .data(json.features)
         .enter()
         .append("path")
         .attr("d", path)
         .style("opacity",1)
         .style("fill", function(d) {
              var value = d.properties.value;
                    if (value) {
                    return color(value);
                } else {
                    return "#ccc";
                }
              
      })
      .on('mousemove', function(d) {
                    var mouse = d3.mouse(svg.node()).map(function(d) {
                        return parseInt(d);
                    });
                    tooltip.classed('hidden', false)
                        .attr('style', 'left:' + (mouse[0] + 15) +
                                'px; top:' + (mouse[1] - 35) + 'px')
                            .style('opacity',1)
                        .html(d.properties.nom + "\n" + d.properties.value)
            d3.select(this).style('opacity',0.3);
              
                })
                .on('mouseout', function() {
                    tooltip.classed('hidden', true);
            d3.select(this).style('opacity',1)
                });
      
    });
});
    
​
  </script>
</body>
​
    