Old school D3 from simpler times

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RomainCandy

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TP4

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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; }
    div.tooltip {
        color: #222;
        background-color: #fff;
        padding: .5em;
        text-shadow: #f5f5f5 0 1px 0;
        border-radius: 2px;
        opacity: 0.9;
        position: absolute;
    }
  </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);
    
    var color = d3.scaleQuantize()  
         .range(["rgb(237,248,233)", "rgb(186,228,179)",
         "rgb(116,196,118)", "rgb(49,163,84)", "rgb(0,107,67)"]);
    
    var tooltip = d3.select('body').append('div')
            .attr('class', 'hidden tooltip');
    
    d3.csv("GrippeFrance2014.csv", function(data) {
         //Set input domain for color scale
      color.domain([0, 250]);
		
      d3.json("regions.json", function(json) {
        svg.selectAll("path")
           .data(json.features)
           .enter()
           .append("path")
           .attr("d", "pathe");
                //On fusionne les donnees avec le GeoJSON
        for (var i = 0; i < data.length; i++) {
          //Nom de la region
          var dataState = data[i].region;
          //Valeur associee a la region
          //var dataValue = parseFloat(data[i].somme2014);
          var novembre = Object.keys(data[i])
          .filter(function(s){
            return s.search('/11/14')>-1
          })
          var dataValue = 0
          for(var index in novembre){
            dataValue += parseFloat(data[i][novembre[index]])
            }
          console.log(dataValue)
            //Recherche de l'etat dans le GeoJSON
            for (var j = 0; j < json.features.length; j++) {
                var jsonState = json.features[j].properties.nom;
                if (dataState == jsonState) {
                    //On injecte la valeur de la region dans le json
                    json.features[j].properties.value = dataValue;
                    //Pas besoin de chercher plus loin
                    break;
                }
              }
          }
        svg.selectAll("pathe")
            .data(json.features)
            .enter()
            .append("path")
            .attr("d", path)
            .style("fill", function(d) {
                //on prend la valeur recuperee plus haut
                var value = d.properties.value;
                if (value) {
                    return color(value);
                } else { 
                    // si pas de valeur alors en gris
                    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')
                        .html(d.properties.nom + ' ' +d.properties.value);
                })
                .on('mouseout', function() {
                    tooltip.classed('hidden', true);
                });
                   
      });
    });
              
  </script>
</body>

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