force-graph
Version:
2D force-directed graph rendered on HTML5 canvas
39 lines (30 loc) • 966 B
HTML
<head>
<style> body { margin: 0; } </style>
<script src="//unpkg.com/force-graph"></script>
<!--<script src="../../dist/force-graph.js"></script>-->
<script src="//unpkg.com/d3-quadtree"></script>
<script src="//unpkg.com/d3-force"></script>
</head>
<body>
<div id="graph"></div>
<script>
// Random tree
const N = 300;
const nodes = [...Array(N).keys()].map(i => ({
id: i,
pos: Math.random()
}));
const Graph = new ForceGraph(document.getElementById('graph'));
Graph
// Deactivate existing forces
.d3Force('center', null)
.d3Force('charge', null)
// Add collision and x/y forces
.d3Force('collide', d3.forceCollide(Graph.nodeRelSize()))
.d3Force('x', d3.forceX(d => (d.pos - 0.5) * window.innerWidth))
.d3Force('y', d3.forceY(0).strength(0.2))
// Add nodes
.graphData({ nodes, links: [] });
setTimeout(() => Graph.zoom(0.99), 1);
</script>
</body>