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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <body> | |
| <script src="../../d3.js"></script> | |
| <script src="../../topojson.js"></script> | |
| <style> | |
| body{ | |
| margin: 0; | |
| } | |
| </style> | |
| <script> | |
| // originally from: http://bl.ocks.org/mbostock/3734273 | |
| // width = window.innerWidth, height = window.innerHeight | |
| var width = 1050, height = 1500 | |
| var velocity = .01, | |
| t0 = Date.now(); | |
| var projection = d3.geo.equirectangular() | |
| .translate([width/2, height/2]) | |
| .scale(500) | |
| var canvas = d3.select("body").append("canvas") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var context = canvas.node().getContext("2d"); | |
| var path = d3.geo.path() | |
| .projection(projection) | |
| .context(context); | |
| d3.json("/d/4090846/world-110m.json", function(error, world) { | |
| var land = topojson.feature(world, world.objects.land); | |
| window.step = function() { | |
| var t = Date.now() - t0; | |
| projection.rotate([0, velocity * t]); | |
| context.clearRect(0, 0, width, height); | |
| context.beginPath(); | |
| path(land); | |
| context.fill(); | |
| } | |
| window.is_ready = true | |
| }); | |
| </script> |
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