force-graph
Version:
2D force-directed graph rendered on HTML5 canvas
38 lines (29 loc) • 961 B
HTML
<head>
<style> body { margin: 0; } </style>
<script src="//cdn.jsdelivr.net/npm/force-graph"></script>
<!--<script src="../../dist/force-graph.js"></script>-->
</head>
<body>
<div id="graph"></div>
<script type="module">
import { forceCollide, forceX, forceY } from 'https://esm.sh/d3-force';
// 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', forceCollide(Graph.nodeRelSize()))
.d3Force('x', forceX(d => (d.pos - 0.5) * window.innerWidth))
.d3Force('y', forceY(0).strength(0.2))
// Add nodes
.graphData({ nodes, links: [] });
setTimeout(() => Graph.zoom(0.99), 1);
</script>
</body>