slides/webgl/asset/ec-demo/graph.html (80 lines of code) (raw):
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<link rel="stylesheet" href="../common/reset.css">
</head>
<body style="background: black">
<div id="main"></div>
<script src="../common/echarts.min.js"></script>
<script src="../common/jquery.min.js"></script>
<script src="../common/echarts-gl.js"></script>
<script src="../data/vivagraph.json.js"></script>
<script>
var chart = echarts.init(document.getElementById('main'));
var nodes = [];
var nodesMap = {};
var links = [];
for (var i = 0; i < graphData.links.length;) {
var source = graphData.links[i++] + '';
var target = graphData.links[i++] + '';
if (!nodesMap[source]) {
nodes.push({
id: source
});
nodesMap[source] = true;
}
if (!nodesMap[target]) {
nodes.push({
id: target
});
nodesMap[target] = true;
}
links.push({
source: source,
target: target
});
}
chart.setOption({
title: {
text: 'GPU Layout + 100 Steps',
subtext: '\nNodes: 2121\n\nEdges: 6370',
textStyle: {
fontSize: 30,
color: '#fff'
},
subtextStyle: {
fontSize: 20,
color: '#fff'
}
},
series: [{
type: 'graphGL',
roam: true,
data: nodes,
edges: links,
forceAtlas2: {
steps: 100,
stopThreshold: 0.1,
jitterTolerence: 10,
scaling: 0.5,
edgeWeight: [2, 1],
edgeWeightInfluence: 1
},
lineStyle: {
color: '#fff',
opacity: 0.4
},
itemStyle: {
color: '#fff'
}
}]
});
console.log(nodes.length);
console.log(links.length);
window.onresize = chart.resize;
</script>
</body>
</html>