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TP4 DataViz - Données Spatiales
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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; } .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> <script> // Feel free to change or delete any of the code you see in this editor! var svg = d3.select("body").append("svg") .attr("width", 960) .attr("height", 500) var tooltip = d3.select('body').append('div') .attr('class', 'hidden tooltip'); var g = svg.append("g"); var projection = d3.geo.conicConformal() .center([2.454071, 46.279229]) .scale(3000); // Définition d'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)"]); var path = d3.geo.path() .projection(projection); // Chargement des donnees d3.csv("GrippeFrance2014.csv", function(data) { color.domain([ 0 , 260 ]); d3.json("region.json", function(json) { //On fusionne les donnees avec le GeoJSON for (var i = 0; i < data.length; i++) { //Nom de la region var dataRegion = data[i].region; //Valeur associee à la région // var dataValue = parseFloat(data[i].somme2014) 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"]); //Recherche de la région dans le GeoJSON for (var j = 0; j < json.features.length; j++) { var jsonRegion = json.features[j].properties.nom; if (dataRegion == jsonRegion) { //On injecte la valeur de la région dans le json json.features[j].properties.value = dataValue; break; } } } g.selectAll("path") .data(json.features) .enter() .append("path") .attr("d", path) .style("fill", function(d) { var value = d.properties.value; if(value) return color(value); else 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>
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