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<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