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Broken Gnomonic
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .land { | |
| fill: #222; | |
| } | |
| </style> | |
| <svg width="960" height="960"></svg> | |
| <script src="//d3js.org/d3.v4.min.js"></script> | |
| <script src="//d3js.org/topojson.v1.min.js"></script> | |
| <script> | |
| var svg = d3.select("svg"), | |
| width = +svg.attr("width"), | |
| height = +svg.attr("height"), | |
| g = svg.append("g").attr("transform", "rotate(90 480,480)"); | |
| var projection = d3.geoGnomonic() | |
| .clipAngle(90 - 1e-3) | |
| .scale(150) | |
| .translate([width / 2, height / 2]) | |
| .precision(.1); | |
| var path = d3.geoPath() | |
| .projection(projection); | |
| d3.json("https://gist.githubusercontent.com/mbostock/4090846/raw/07e73f3c2d21558489604a0bc434b3a5cf41a867/world-50m.json", function(error, world) { | |
| if (error) throw error; | |
| var land = topojson.feature(world, world.objects.land); | |
| var b = path.bounds(land), | |
| s = 1 / Math.max((b[1][0] - b[0][0]) / width, (b[1][1] - b[0][1]) / height), | |
| t = [(width - s * (b[1][0] + b[0][0])) / 2, (height - s * (b[1][1] + b[0][1])) / 2]; | |
| projection | |
| .scale(s) | |
| .translate(t); | |
| g.append("path") | |
| .datum(land) | |
| .attr("class", "land") | |
| .attr("d", path); | |
| }); | |
| </script> |
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