earthjs
Version:
D3 Earth JS using SVG, Canvas & THREE js, build with some plugins.
86 lines (85 loc) • 3.2 kB
HTML
<html>
<head>
<link type="text/css" rel="stylesheet" href="../css/earthjs.css">
<script type='text/javascript' src="../js/d3.min.js"></script>
<script type='text/javascript' src="../js/topojson.min.js"></script>
<script type='text/javascript' src='../js/earthjs.js'></script>
<style>
.e-container {
display: inline-block;
position: relative;
width: 700px;
height: 500px;
}
</style>
</head>
<body>
<div class="e-container">
<svg class="ej-svg s1"/>
<canvas class="ej-svg c1 ej-canvas"></canvas>
</div>
<div class="e-container">
<svg class="ej-svg s2"/>
<canvas class="ej-svg c2 ej-canvas"></canvas>
</div>
<script>
const ready = function(err, json) {
const features = json.features;
const maxMag = features.map(d => d.properties.mag).sort(d3.descending)[0];
const scale = d3.scaleLinear().domain([3, maxMag]).range([0.5, 2]);
json.features.forEach(d => {
d.geometry.value = d.properties.mag
d.geometry.radius = scale(d.properties.mag);
});
json.geometry = {
radius: 1,
lineWidth: 0.5,
fillStyle: 'rgba(100,0,0,.4)',
strokeStyle: 'rgba(100,0,0,.6)'
}
return json;
};
function factory(s,c,dUrl='../data/bars.json') {
const g = earthjs({selector:s,transparent:true});
g.register(earthjs.plugins.hoverCanvas());
g.register(earthjs.plugins.canvasPlugin());
g.register(earthjs.plugins.graticuleCanvas());
g.register(earthjs.plugins.dotsCanvas());
g.register(earthjs.plugins.dotSelectCanvas());
g.register(earthjs.plugins.dotTooltipCanvas());
g.register(earthjs.plugins.pinCanvas(dUrl,'../images/pin.png'));
g.canvasPlugin.selectAll(c);
g.pinCanvas.ready = function(err, json) {
json = ready(err, json);
g.dotsCanvas.data(json);
g.pinCanvas.data(json);
};
g.ready(function(){
g.create();
});
return g;
}
const g1 = factory('.s1', '.c1');
const g2 = factory('.s2', '.c2', '../d/cities.geojson');
g1.register(earthjs.plugins.autorotatePlugin());
g1.register(earthjs.plugins.inertiaPlugin());
g1.autorotatePlugin.sync([g2]);
g1.inertiaPlugin.sync([g2]);
g2.dotTooltipCanvas.show = function(data, tooltip) {
const {tld, area, region, name, capital, currency, callingCode} = data.properties;
const props = {
name,
capital,
callingCode,
region,
currency,
area,
tld,
coordinates: data.coordinates.join(', ')
};
const title = Object.keys(props).map(k => k+': '+props[k]).join('<br/>');
return tooltip.html('<h3>Dot:</h3>'+title)
}
</script>
</body>
</html>