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@mbostock mbostock/.block
Last active Feb 9, 2016

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Rotating Winkel Tripel
license: gpl-3.0
<!DOCTYPE html>
<meta charset="utf-8">
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="//d3js.org/d3.geo.projection.v0.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>
var width = 960,
height = 500;
var velocity = .02;
var projection = d3.geo.winkel3()
.translate([width / 2, height / 2]);
var graticule = d3.geo.graticule();
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("/mbostock/raw/4090846/world-110m.json", function(error, world) {
if (error) throw error;
var land = topojson.feature(world, world.objects.land);
d3.timer(function(elapsed) {
context.clearRect(0, 0, width, height);
projection.rotate([velocity * elapsed, 0]);
context.beginPath();
path(land);
context.fill();
context.beginPath();
path(graticule());
context.lineWidth = .5;
context.stroke();
context.beginPath();
path(graticule.outline());
context.lineWidth = 1.5;
context.stroke();
});
});
</script>
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