Old school D3 from simpler times

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LRobergeon

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TP4 DataViz France Couleurs

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <script src="https://d3js.org/topojson.v1.min.js"></script> 
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    
    .province {
        fill: #000;
        stroke: #fff;
        stroke-width: 1px;
    }
    .province: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;
    }
    
  </style>
</head>

<body>
  
  <div>
    <input id="slider" type="range" value="1" min="1" max="52" step="1" />
    <span id="week">week</span>
  </div>
  
  <script>
		var width = 700,
  		  height = 580;

var svg = d3.select( "body" )
  		.append( "svg" )
		  .attr( "width", width )
		  .attr( "height", height );
    
    var tooltip = d3.select('body').append('div')
    	.attr('class', 'hidden tooltip');
    
    var g = svg.append("g");

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(0,109,44)"]);
    
    
    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++) {
          var dataValue = parseFloat(data[i].somme2014);
          // On récupère les valeurs de novembre 2014
          var dataValueNovembre = parseInt(data[i]["02/11/14"]) + 
              parseInt(data[i]["09/11/14"]) +
              parseInt(data[i]["16/11/14"]) +
              parseInt(data[i]["23/11/14"]) +
              parseInt(data[i]["30/11/14"]);
          
          var dataRegion = data[i].region;
          
    			// build the index
    			/*
          var dataWeek;
          for (var x in data[i]) {
            if (x != "region" || x != "somme2014"){
              dataWeek = data[i][x];
              console.log(dataWeek[0]);
            }
          }
          */
          
          for (var j = 0; j < json.features.length; j++) {
            var jsonState = json.features[j].properties.nom;
            if (dataRegion == jsonState) {
         			//On injecte la valeur de l'Etat dans le json
              json.features[j].properties.value = dataValue;
              json.features[j].properties.valueNov = dataValueNovembre;
         			//Pas besoin de chercher plus loin
              break;
            }
          }
        };
        
        
        g.selectAll("path")
          .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;
          var valueNov = d.properties.valueNov;
          if (value) {
            //color.domain([0, 2000]);
            //return color(value);
            color.domain([0, 200]);
            return color(valueNov);
          } else {
            // si pas de valeur alors en gris
            return "#ccc";
          }})
          .attr('class', function(d) {
            return 'province ' + d.properties.code;
          })
          .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 + "<br>" + d.properties.valueNov);
            })
          .on('mouseout', function() {
          	tooltip.classed('hidden', true);
          });
      });
    });
  </script>
</body>

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

https://d3js.org/topojson.v1.min.js