D3 Examples - mapProjection

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  <script>
        var width = 700,
          height = 580;
​
        var svg = d3.select( "body" )
        .append( "svg" )
          .attr( "width", width )
          .attr( "height", height );
​
    var projection = d3.geoConicConformal() 
                                         .center([2.454071, 46.279229])
                                         .scale(2800);
​
    var path = d3.geoPath() // d3.geo.path avec d3 version 3
                 .projection(projection);
    
        d3.json("regions.json", function(json) {
        svg.selectAll("path")
           .data(json.features)
           .enter()
           .append("path")
           .attr("d", path);
      
var color = d3.scaleLinear()
d3.csv("GrippeFrance2014.csv", function(data) {
    color.domain([0, 6000])
            .range(['lightgreen', 'darkgreen']);
​
    d3.json("regions.json", function(json) {
      for (var i = 0; i < data.length; i++) {
                console.log(data[i]["05/0/14"])
        for (var j = 0; j<data.length;j++){
          var dataValue = parseFloat(data[i].somme2014)
          if(data[i]['region'] ==json['features'][j]['properties']['nom']){
             json['features'][j]['properties']['grippe']=dataValue
             }
      }
      }
      svg.selectAll("path")
        .data(json.features)
        .style("fill", function(d,i) {
              var value = d['properties']['grippe'];
                    return color(value);
      });
    });
  
  
  
  
  
  
  
});
​
        });
  </script>
</body>
​
    