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Last active August 29, 2015 14:15
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JSL 2015: Mapa sencillo usando Canvas
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README.md

Noveno ejemplo del taller Mapas web interactivos con D3.js en el programa de las 9as Jornadas SIG Libre .

Dibuja el mismo mapa simple usado en el primer ejemplo, pero usando Canvas en lugar de SVG.

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index.html
<!DOCTYPE html>
<meta charset="utf-8">
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/topojson.v0.min.js"></script>
<script>
var width = 960,
height = 500;
var projection = d3.geo.orthographic()
.scale(250)
.translate([width / 2, height / 2])
.clipAngle(90);
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("https://cdn.rawgit.com/mbostock/4090846/raw/8a7f176072d508218e120773943b595c998991be/world-50m.json", function(error, data) {
var land = topojson.object(data, data.objects.land);
context.strokeStyle = '#aaa';
context.fillStyle = '#ccc';
context.beginPath();
path(land);
context.fill();
context.beginPath();
path(land);
context.stroke();
});
</script>
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