This map shows the Natural Earth Admin 0 - Countries shapefile at 50m resolution. Converted to TopoJSON, only 140K gzipped. Each country is identified by its ISO 3166-1 numeric code.
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May 20, 2016 03:13
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World Map template
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license: gpl-3.0 |
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
body { | |
background: #fcfcfa; | |
} | |
.stroke { | |
fill: none; | |
stroke: #000; | |
stroke-width: 3px; | |
} | |
.fill { | |
fill: #fff; | |
} | |
.graticule { | |
fill: none; | |
stroke: #777; | |
stroke-width: .5px; | |
stroke-opacity: .5; | |
} | |
.land { | |
fill: #222; | |
} | |
.boundary { | |
fill: none; | |
stroke: #fff; | |
stroke-width: .5px; | |
} | |
</style> | |
<body> | |
<script src="//d3js.org/d3.v3.min.js"></script> | |
<script src="//d3js.org/d3.geo.projection.v0.min.js"></script> | |
<script src="//d3js.org/topojson.v1.min.js"></script> | |
<script> | |
var width = 960, | |
height = 580; | |
var color = d3.scale.category10(); | |
var n = 12; // 12 sinusoidal sections | |
var w = 360 / n; | |
var northern = [] | |
var southern = [] | |
d3.range(n).forEach(function(i) { | |
var north = [ ]; | |
var south = [ ]; | |
// left | |
north.push([ | |
-180 + i * w, | |
0 | |
]) | |
// top | |
north.push([ | |
-180 + i * w + w/2, | |
90 | |
]) | |
// right | |
north.push([ | |
-180 + i * w + w, | |
0 | |
]) | |
// left | |
south.push([ | |
-180 + i * w, | |
0 | |
]) | |
// top | |
south.push([ | |
-180 + i * w + w/2, | |
-90 | |
]) | |
// right | |
south.push([ | |
-180 + i * w + w, | |
0 | |
]) | |
northern.push(north) | |
southern.push(south) | |
}) | |
var projection = d3.geo.interrupt(d3.geo.sinusoidal.raw) | |
.lobes([northern, southern]) | |
.rotate([0, 0]) | |
.scale(150) | |
.translate([width / 2, height / 2]) | |
.precision(.1); | |
var path = d3.geo.path() | |
.projection(projection); | |
var graticule = d3.geo.graticule(); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height); | |
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("https://gist.githubusercontent.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-50m.json", function(error, world) { | |
if (error) throw error; | |
var countries = topojson.feature(world, world.objects.countries).features, | |
neighbors = topojson.neighbors(world.objects.countries.geometries); | |
svg.selectAll(".country") | |
.data(countries) | |
.enter().insert("path", ".graticule") | |
.attr("class", "country") | |
.attr("d", path) | |
.attr("clip-path", "url(#clip)") | |
.style("fill", function(d, i) { return color(d.color = d3.max(neighbors[i], function(n) { return countries[n].color; }) + 1 | 0); }); | |
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); | |
}); | |
d3.select(self.frameElement).style("height", height + "px"); | |
</script> |
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