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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; } .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 = 850, 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.geoConicConformal() .center([2.454071, 46.279229]) .scale(2500); var path = d3.geoPath() .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) { color.domain([0, 200]); var weeksArray = Object.keys(data[0]); var franceJson d3.json("france.json", function(json) { //On fusionne les donnees avec le GeoJSON for (var i = 0; i < data.length; i++) { for (var j = 0; j < json.features.length; j++) { var jsonRegion = json.features[j].properties.nom; if (data[i].region == jsonRegion) { //json.features[j].properties.value = dataValue; json.features[j].properties.values = Object.values(data[i]); break; } } } franceJson = json d3.select('#week').html(Object.keys(data[0])[1]); d3.select("#slider").on("input", function() { updateViz(+this.value); }); svg.selectAll("path") .data(json.features) .enter() .append("path") .attr("d", path); drawMap(1) }); function updateViz(value) { console.log("update " + "value"); d3.select('#week').html(weeksArray[value]); drawMap(value); } function drawMap(currentWeek) { carte = svg.selectAll("path") .data(franceJson.features); // code en cas de mise a jour de la carte / de changement de semaine carte.attr("class", "update") .style("fill", function(d) { var values = d.properties.values; if (values && values[currentWeek]) { return color(values[currentWeek]); } else { // si pas de valeur alors en gris return "#ccc"; } }) .on('mousemove', function(d) { var displayValue if (d.properties.values){ displayValue = d.properties.values[currentWeek] } else{ displayValue = "undefined" } 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>" + displayValue); }) .on('mouseout', function() { tooltip.classed('hidden', true); }); // code pour la creation de la carte quand les donnees sont chargees la 1e fois. carte.selectAll("path") .enter() .data(franceJson.features) .append("path") .attr("class", "enter") .style("fill", function(d) { var values = d.properties.values; // on vérifie que la région et la valeur associée à la semaine existent if (values && values[currentWeek]) { return color(values[currentWeek]); } else { // si pas de valeur alors coloration 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 + "<br>" + d.properties.values[currentWeek]); }) .on('mouseout', function() { tooltip.classed('hidden', true); }); } }); </script> </body>
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