Glitchy D3.js map of the world. This combination of clipAngle with geo.mercator() sends things particularly crazy.
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November 30, 2017 19:43
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glitch map
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| background: #fcfcfa; | |
| } | |
| .graticule { | |
| fill: none; | |
| stroke: #777; | |
| stroke-width: .5px; | |
| stroke-opacity: .5; | |
| } | |
| .land { | |
| fill: #222; | |
| } | |
| .boundary { | |
| fill: none; | |
| stroke: #fcfcfa; | |
| stroke-width: .3px; | |
| } | |
| </style> | |
| <div id="chart"></div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500, | |
| map_center = [0, 90]; | |
| var projection = d3.geo.mercator() | |
| .clipAngle(180 - 1e-3) | |
| .scale(150) | |
| .translate([width / 2, height / 2]) | |
| .rotate(map_center) | |
| .precision(.1); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var graticule = d3.geo.graticule() | |
| .step([0, 10]);; | |
| var svg = d3.select("#chart").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| d3.json("world-50m.json", function(error, world) { | |
| svg.append("path", ".graticule") | |
| .datum(topojson.feature(world, world.objects.land)) | |
| .attr("class", "land") | |
| .attr("d", path); | |
| svg.append("path", ".graticule") | |
| .datum(topojson.mesh( | |
| world, world.objects.countries, function(a, b) { return a !== b; } | |
| )) | |
| .attr("class", "boundary") | |
| .attr("d", path); | |
| svg.append("path") | |
| .datum(graticule) | |
| .attr("class", "graticule") | |
| .attr("d", path); | |
| }); | |
| </script> |
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