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DataViz - TP4
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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; } .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> <script> var width = 850, height = 580; var svg = d3.select( "body" ) .append( "svg" ) .attr( "width", width ) .attr( "height", height ); var projection = d3.geo.conicConformal().center([2.454071, 46.279229]).scale(3000) var path = d3.geo.path().projection(projection); /*d3.json("regions.json", function(json) { svg.selectAll("path") .data(json.features) .enter() .append("path") .attr("d", path); });*/ var color = d3.scale.quantize() .range(["rgb(240,249,232)", "rgb(186,228,188)", "rgb(123,204,196)", "rgb(67,162,202)", "rgb(8,104,172)"]); var tooltip = d3.select('body').append('div') .attr('class', 'hidden tooltip'); d3.csv("GrippeFrance2014.csv", function(data) { color.domain([0, 200]); d3.json("regions.json", function(json) { //On fusionne les donnees avec le GeoJSON for (var i = 0; i < data.length; i++) { //Nom région var dataName = data[i].region; //Valeur associée a la région //determination de la valeur avec les noms des colonnes en dur /* var dataValue = parseFloat(data[i]["02/11/14"]) + parseFloat(data[i]["09/11/14"]) + parseFloat(data[i]["16/11/14"]) + parseFloat(data[i]["23/11/14"]) + parseFloat(data[i]["30/11/14"]);*/ //boucle pour selectionner uniquement les colonnes du mois de novembre var dataValue = 0; for (var n = 0; n<d3.keys(data[i]).length; n++) { var slice = d3.keys(data[i])[n].slice(3,5); if (slice == "11"){ dataValue = dataValue + parseFloat(data[i][d3.keys(data[i])[n]]); } } //Recherche de la région dans le GeoJSON for (var j = 0; j < json.features.length; j++) { var jsonRegion = json.features[j].properties.nom; if (dataName == jsonRegion) { json.features[j].properties.value = dataValue; break; } } } svg.selectAll("path") .data(json.features) .enter() .append("path") .attr("d", path) .style("fill", function(d) { var value = d.properties.value; //console.log(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