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October 17, 2017 12:31
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<style> | |
h1 { | |
position: absolute; | |
top: 500px; | |
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
font-size: 18px; | |
text-align: center; | |
width: 960px; | |
font-color: #d4af37; | |
text-shadow: 0 0 150px #FFF, 0 0 60px #FFF, 0 0 10px #FFF; | |
} | |
</style> | |
<h1></h1> | |
<script src="//d3js.org/d3.v3.min.js"></script> | |
<script src="//d3js.org/queue.v1.min.js"></script> | |
<script src="//d3js.org/topojson.v1.min.js"></script> | |
<script> | |
var width = 960, | |
height = 960; | |
var projection = d3.geo.orthographic() | |
.translate([width / 2, height / 2]) | |
.scale(width / 2 - 20) | |
.clipAngle(90) | |
.precision(0.6); | |
var canvas = d3.select("body").append("canvas") | |
.attr("width", width) | |
.attr("height", height); | |
var c = canvas.node().getContext("2d"); | |
var path = d3.geo.path() | |
.projection(projection) | |
.context(c); | |
var title = d3.select("h1"); | |
queue() | |
.defer(d3.json, "/mbostock/raw/4090846/world-110m.json") | |
.defer(d3.tsv, "/mbostock/raw/4090846/world-country-names.tsv") | |
.await(ready); | |
function ready(error, world, names) { | |
if (error) throw error; | |
var globe = {type: "Sphere"}, | |
land = topojson.feature(world, world.objects.land), | |
countries = topojson.feature(world, world.objects.countries).features, | |
borders = topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }), | |
i = -1, | |
n = countries.length; | |
countries = countries.filter(function(d) { | |
return names.some(function(n) { | |
if (d.id == n.id) return d.name = n.name; | |
}); | |
}).sort(function(a, b) { | |
return a.name.localeCompare(b.name); | |
}); | |
(function transition() { | |
d3.transition() | |
.duration(1250) | |
.each("start", function() { | |
title.text(countries[i = (i + 1) % n].name); | |
}) | |
.tween("rotate", function() { | |
var p = d3.geo.centroid(countries[i]), | |
r = d3.interpolate(projection.rotate(), [-p[0], -p[1]]); | |
return function(t) { | |
projection.rotate(r(t)); | |
c.clearRect(0, 0, width, height); | |
c.fillStyle = "#000000", c.beginPath(), path(land), c.fill(); | |
c.fillStyle = "#d4af37", c.beginPath(), path(countries[i]), c.fill(); | |
c.strokeStyle = "#ffffff", c.lineWidth = .5, c.beginPath(), path(borders), c.stroke(); | |
c.strokeStyle = "#000000", c.lineWidth = 2, c.beginPath(), path(globe), c.stroke(); | |
}; | |
}) | |
.transition() | |
.each("end", transition); | |
})(); | |
} | |
d3.select(self.frameElement).style("height", height + "px"); | |
</script> |
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