force-graph
Version:
2D force-directed graph rendered on HTML5 canvas
42 lines (34 loc) • 1.11 kB
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>
const initData = {
nodes: [ {id: 0 } ],
links: []
};
const elem = document.getElementById("graph");
const Graph = new ForceGraph(elem)
.onNodeClick(removeNode)
.graphData(initData);
setInterval(() => {
const { nodes, links } = Graph.graphData();
const id = nodes.length;
Graph.graphData({
nodes: [...nodes, { id }],
links: [...links, { source: id, target: Math.round(Math.random() * (id-1)) }]
});
}, 1000);
//
function removeNode(node) {
let { nodes, links } = Graph.graphData();
links = links.filter(l => l.source !== node && l.target !== node); // Remove links attached to node
nodes.splice(node.id, 1); // Remove node
nodes.forEach((n, idx) => { n.id = idx; }); // Reset node ids to array index
Graph.graphData({ nodes, links });
}
</script>
</body>