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@mbostock
Forked from mbostock/.block
Last active Feb 27, 2019
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Interrupted Sinusoidal
license: gpl-3.0
border: no
height: 484
redirect: https://observablehq.com/@d3/interrupted-sinusoidal
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.stroke {
fill: none;
stroke: #000;
stroke-width: 3px;
}
.fill {
fill: #fff;
}
.graticule {
fill: none;
stroke: #777;
stroke-width: 0.5px;
stroke-opacity: 0.5;
}
.land {
fill: #222;
}
.boundary {
fill: none;
stroke: #fff;
stroke-width: 0.5px;
}
</style>
<svg width="960" height="484"></svg>
<script src="//d3js.org/d3.v4.min.js"></script>
<script src="//d3js.org/d3-geo-projection.v1.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
var projection = d3.geoInterrupt(d3.geoSinusoidalRaw,
[[ // northern hemisphere
[[-180, 0], [-110, 90], [ -40, 0]],
[[ -40, 0], [ 0, 90], [ 40, 0]],
[[ 40, 0], [ 110, 90], [ 180, 0]]
], [ // southern hemisphere
[[-180, 0], [-110, -90], [ -40, 0]],
[[ -40, 0], [ 0, -90], [ 40, 0]],
[[ 40, 0], [ 110, -90], [ 180, 0]]
]])
.rotate([-20, 0])
.scale(152.63)
.translate([width / 2, height / 2])
.precision(0.1);
var graticule = d3.geoGraticule();
var path = d3.geoPath()
.projection(projection);
var defs = svg.append("defs");
defs.append("path")
.datum({type: "Sphere"})
.attr("id", "sphere")
.attr("d", path);
defs.append("clipPath")
.attr("id", "clip")
.append("use")
.attr("xlink:href", "#sphere");
svg.append("use")
.attr("class", "stroke")
.attr("xlink:href", "#sphere");
svg.append("use")
.attr("class", "fill")
.attr("xlink:href", "#sphere");
svg.append("path")
.datum(graticule)
.attr("class", "graticule")
.attr("clip-path", "url(#clip)")
.attr("d", path);
d3.json("/mbostock/raw/4090846/world-50m.json", function(error, world) {
if (error) throw error;
svg.insert("path", ".graticule")
.datum(topojson.feature(world, world.objects.land))
.attr("class", "land")
.attr("clip-path", "url(#clip)")
.attr("d", path);
svg.insert("path", ".graticule")
.datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }))
.attr("class", "boundary")
.attr("clip-path", "url(#clip)")
.attr("d", path);
});
</script>
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