Github Users Worldwide in the Times Projection
forked from syntagmatic‘s block: Github Users Worldwide
<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
background: #fff;
}
.stroke {
fill: none;
stroke: #888;
stroke-width: 1px;
}
.fill {
fill: none;
}
.graticule {
fill: none;
stroke: #bbb;
stroke-width: .5px;
stroke-opacity: .5
}
.land {
fill: #ddd;
}
.boundary {
fill: none;
stroke: #fff;
stroke-width: .5px;
}
circle {
fill: #fb5;
stroke: #111;
stroke-width: 1px;
}
</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 = 500;
var projection = d3.geo.times()
.scale(200)
.translate([width / 2, height / 2])
.precision(.1);
var path = d3.geo.path()
.projection(projection);
var graticule = d3.geo.graticule();
var radius = d3.scale.sqrt()
.range([1.5, 7]);
var color = d3.scale.sqrt()
.range(["#359", "#fb5"])
.interpolate(d3.interpolateLab);
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
svg.append("defs").append("path")
.datum({type: "Sphere"})
.attr("id", "sphere")
.attr("d", path);
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("d", path);
d3.json("world-50m.json", function(error, world) {
svg.insert("path", ".graticule")
.datum(topojson.feature(world, world.objects.land))
.attr("class", "land")
.attr("d", path);
svg.insert("path", ".graticule")
.datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }))
.attr("class", "boundary")
.attr("d", path);
d3.json("user_locations.json", function(error, raw) {
var data = [];
raw[0][1].forEach(function(d,i) {
if (i % 3 == 0) {
data.push({
pos: [d]
})
}
if (i % 3 == 1) {
data[data.length-1].pos[1]= d;
}
if (i % 3 == 2) {
data[data.length-1].mag = d;
};
});
color.domain(d3.extent(data.map(function(d) { return d.mag; })));
radius.domain(d3.extent(data.map(function(d) { return d.mag; })));
svg.selectAll("circle")
.data(data)
.enter().append("circle")
.attr("transform", function(d) { return "translate(" + projection([d.pos[1],d.pos[0]]) + ")"; })
.attr("r", function(d) { return radius(d.mag); })
.style("fill", function(d) { return color(d.mag); });
});
});
d3.select(self.frameElement).style("height", height + "px");
</script>