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Last active November 7, 2017 07:17
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Gray Earth
license: gpl-3.0
<!DOCTYPE html>
<meta charset="utf-8">
<style>
#land {
fill: none;
stroke: #000;
stroke-linejoin: round;
}
</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 = 600;
var projection = d3.geo.azimuthalEqualArea()
.scale(width)
.translate([33.5, 262.5])
.rotate([100, -45])
.center([-17.6076, -4.7913]) // rotated [-122.4183, 37.7750]
.scale(1297);
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;
var defs = svg.append("defs");
defs.append("path")
.datum(topojson.feature(us, us.objects.land))
.attr("id", "land")
.attr("d", path);
svg.append("clipPath")
.attr("id", "clip")
.append("use")
.attr("xlink:href", "#land");
svg.append("image")
.attr("clip-path", "url(#clip)")
.attr("xlink:href", "shaded-relief.png")
.attr("width", width)
.attr("height", height);
svg.append("use")
.attr("xlink:href", "#land");
});
d3.select(self.frameElement).style("height", height + "px");
</script>
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