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<!DOCTYPE html> <head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v3.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; } .region:hover{ opacity: 0.6; } </style> </head> <body><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 projection = d3.geo.conicConformal() .center([2.454071, 46.279229]).scale(3000) .translate([width/2, height/2.32]); var path = d3.geo.path() .projection(projection); // On definit une echelle de couleur 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)"]); // Chargement des donnees d3.csv("GrippeFrance2014.csv", function(data) { d3.json("regions.geojson", function(json) { //On fusionne les donnees avec le GeoJSON for (var i = 0; i < data.length; i++) { //Nom de l'etat var dataRegion = data[i].region; var somme = 0; var keys = Object.keys(data[i]); for(var j = 0; j<keys.length;j++){ if(keys[j].indexOf("/11/14") !== -1){ somme += parseInt(data[i][keys[j]]); } } data[i].nov = somme; //Valeur associee a l'etat var dataValue = parseFloat(data[i].nov); //Recherche de l'etat dans le GeoJSON 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; //Pas besoin de chercher plus loin break; } } } color.domain([d3.min(json.features, function(d){return parseInt(d.properties.value);}),d3.max(json.features, function(d){return parseInt(d.properties.value);})]) svg.selectAll("path") .data(json.features) .enter() .append("path") .attr("d", path) .classed('region',true) .style("fill", function(d) { //on prend la valeur recupere 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.v3.min.js