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From GeoJSON to TopoJSON in D3.js
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="x-ua-compatible" content="ie=edge"> | |
| <title>Maps in D3js</title> | |
| <meta name="description" content="Maps in d3js"> | |
| <meta name="author" content="Edward Mac Gillavry"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui"> | |
| <meta name="apple-mobile-web-app-capable" content="yes"> | |
| <meta name="apple-mobile-web-app-status-bar-style" content="black"> | |
| <meta name="apple-mobile-web-app-title" content="d3js"> | |
| <link rel="shortcut icon" href=""> | |
| <style> | |
| body { | |
| background-color: #fffaf5; | |
| } | |
| svg { | |
| background-color: #fffaf5; | |
| } | |
| .gemeente { | |
| fill: #ccc; | |
| stroke-width: 0.4; | |
| stroke: #fff; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| let width = 450, | |
| height = 600, | |
| svg = d3.select("body") | |
| .append("svg") | |
| .attr('width', width) | |
| .attr('height', height); | |
| d3.json("gemeenten2017.topojson", function(error, municipalities) { | |
| if (error) throw error; | |
| let gemeenten = topojson.feature(municipalities, municipalities.objects.municipalities); | |
| let projection = d3.geoMercator() | |
| .fitSize([width, height], gemeenten); | |
| let path = d3.geoPath() | |
| .projection(projection); | |
| svg.append("g") | |
| .selectAll("path") | |
| .data(gemeenten.features) | |
| .enter() | |
| .append("path") | |
| .attr("class","gemeente") | |
| .attr("d", path) | |
| .append("title") | |
| .text(function(d) { return d.properties.name}); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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