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@martgnz
Last active October 28, 2017 14:01
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Choropleth I
license: mit
border: none
height: 1096

Just drawing Barcelona census tracts.

First part of the spam.js choropleth tutorial.

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<!DOCTYPE html>
<meta charset="utf-8" />
<body>
<script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
<script src="https://unpkg.com/rbush@1.4.3/rbush.js"></script>
<script src="https://unpkg.com/spamjs@1.1.0/spam.min.js"></script>
<script type='text/javascript'>
d3.json("bcn.json", function(error, d) {
topojson.presimplify(d);
var map = new StaticCanvasMap({
element: "body",
data: [
{
features: topojson.feature(d, d.objects["bcn"]),
static: {
paintfeature: function(parameters, d) {
parameters.context.stroke();
}
}
}
]
});
map.init();
});
</script>
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