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Heerlen Choropleth
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Heerlen</title> | |
| <link rel="stylesheet" href="style.css"> | |
| </head> | |
| <body> | |
| <svg id="map"></svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.13.0/d3.min.js" charset="utf-8"></script> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| var margin = { top: 50, right: 50, bottom: -20, left: 50 }, | |
| width = 250 - margin.left - margin.right, | |
| height = 350 - margin.top - margin.bottom; | |
| var svg = d3.select("#map") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top +")"); | |
| var projection = d3.geoMercator() | |
| .center([5.961, 50.865]) | |
| .scale(100000) | |
| .translate([width / 2, height / 2]); | |
| var path = d3.geoPath() | |
| .projection(projection); | |
| var color = d3.scaleLinear() | |
| .domain([0, 250, 500, 1400, 2800, 3600, 4500]) | |
| .range(['#ffffcc','#c7e9b4','#7fcdbb','#41b6c4','#1d91c0','#225ea8','#0c2c84']); | |
| d3.json("buurten.json", function(err, json) { | |
| if (err) throw error; | |
| function drawMap() { | |
| var features = svg.append("g") | |
| .attr("class", "heerlen") | |
| .selectAll("#map") | |
| .data(json.features); | |
| featuresEnter = features | |
| .enter().append("g") | |
| .attr("class", function(d) { return "buurt " + d.properties.BU_NAAM}) | |
| .append("path") | |
| .attr("d", path) | |
| .style("fill", function(d) { | |
| return color(d.properties.AANT_INW); }); | |
| console.log(featuresEnter); | |
| featuresEnter.on("mousemove", function(d) { | |
| console.log(d.properties.AANT_INW); | |
| }); | |
| }; | |
| function loopThrough() { | |
| for (var i=0;i<json.features.length;i++){ | |
| var buurtInw = json.features[i].properties.AANT_INW; | |
| var buurtNaam = json.features[i].properties.BU_NAAM; | |
| //console.log(buurtNaam + ": " + buurtInw); | |
| } | |
| } | |
| drawMap(); | |
| loopThrough(); | |
| // console.log(json); | |
| // console.log(json.features); | |
| // console.log(json.features[4].properties); | |
| // console.log(json.features[4].properties.AANT_INW); | |
| // console.log(json.features[4].properties.BU_NAAM); | |
| }); |
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| body { | |
| background: whitesmoke; | |
| } | |
| .buurten, .heerlen { | |
| stroke: #444; | |
| stroke-width: 1px; | |
| stroke-linejoin: round; | |
| stroke-linecap: round; | |
| pointer-events: none; | |
| } | |
| div.tooltip { | |
| position: absolute; | |
| text-align: center; | |
| width: 60px; | |
| height: 28px; | |
| padding: 2px; | |
| font: 12px sans-serif; | |
| background: lightsteelblue; | |
| border: 0px; | |
| border-radius: 8px; | |
| pointer-events: none; | |
| } |
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