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almccon/.block

Created October 4, 2018 16:01
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D3v5 map example
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.block
license: mit
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v5.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
svg { width: 100%; height: 90%;}
</style>
</head>
<body>
<script>
var svg = d3.select("body").append("svg");
var projection = d3.geoEqualEarth().rotate([90, 0, 0]);
var path = d3.geoPath().projection(projection);
var url = "http://enjalot.github.io/wwsd/data/world/world-110m.geojson";
var data_url = "http://enjalot.github.io/wwsd/data/world/ne_50m_populated_places_simple.geojson";
Promise.all([d3.json(url), d3.json(data_url)]).then(function(data) {
var world = data[0];
var places = data[1];
svg.append("path")
.attr("d", path(world))
.attr("fill", "lightgray")
.attr("stroke", "white");
svg.selectAll("circle")
.data(places.features)
.enter()
.append("circle")
.attr("r", function(d) {
return d.properties.pop_max / 1000000;
})
.attr("cx", function(d) {
return projection(d.geometry.coordinates)[0]
})
.attr("cy", function(d) {
return projection(d.geometry.coordinates)[1]
})
.attr("fill", "darkgreen")
.attr("opacity", 0.5)
window.setTimeout(function() {
svg.selectAll("circle")
.transition().duration(5000)
.attr("r", function(d) {
return d.properties.pop_min / 1000000;
});
}, 5000);
});
</script>
</body>
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