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@mbostock

mbostock/.block

Forked from mbostock/.block
Last active Sep 30, 2016
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Blocky Counties
license: gpl-3.0
<!DOCTYPE html>
<meta charset="utf-8">
<style>
path {
fill: none;
stroke: steelblue;
}
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>
var width = 960,
height = 500;
var projection = d3.geo.albersUsa()
.scale(1000)
.translate([width / 2, height / 2]);
var path = d3.geo.path()
.projection(projection);
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
d3.json("/mbostock/raw/4090846/us.json", function(error, us) {
if (error) throw error;
svg.append("path")
.attr("d", path({
type: "MultiPolygon",
coordinates: topojson.feature(us, us.objects.counties).features
.filter(function(d) { return d.geometry && d.geometry.coordinates.length; })
.map(function(d) { var b = d3.geo.bounds(d); return [[b[0], [b[0][0], b[1][1]], b[1], [b[1][0], b[0][1]], b[0]]]; })
}));
});
</script>
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