Grippe France 2014

<!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.csv("GrippeFrance2014.csv", function(data) {

d3.json("regions.json", function(json) {
      //On fusionne les donnees avec le GeoJSON des regions
      for (var i = 0; i < data.length; i++) {
        for (var j=0; j<json.features.length; j++){
           if (json.features[j].properties.nom==data[i].region){
            json.features[j].properties.grippe=data[i].somme2014; 
            json.features[j].properties.grippe=+json.features[j].properties.grippe;
            //console.log(json.features[j].properties.grippe);
          } 
        }
      	
      }
      max=d3.max(data, function(d){ return d.somme2014});
      color=d3.scaleLinear().domain([0,3000]).range(['red','blue']);
    
      console.log(d3.max(data, function(d){ return d.somme2014}));
      svg.selectAll("path")
      		.data(json.features)
           .enter()
           .append("path")
           .attr("d", path)	
        	.style("fill", function(d) {
        		var value = d.properties.grippe;
        		if (value){
        			return color(value);}})
      		.on("mouseover", function(d){
        coordinates = d3.mouse(this);
        var x = coordinates[0];
        var y = coordinates[1];
        svg.append("text")
        .attr("class","etiquette")
        .attr("x",x)
        .attr("y",y)
        .text(d.properties.grippe);})
      		.on("mouseout", function(d) {svg.select(".etiquette").remove()});
    });

});
  </script>
</body>

https://d3js.org/d3.v4.min.js