The mplate graph from the The University of Florida Sparse Matrix Collection.
This is a stress test of d3-force with 5,964 nodes and 68,115 edges. Self-edges were removed from the links array. Nodes are colored by their velocity.
<!DOCTYPE html>
<meta charset="utf-8">
<style>
</style>
<canvas></canvas>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
var width = 960,
height = 800;
var linkColor = d3.scaleSequential(d3.interpolateMagma)
.domain([240, -2])
var canvas = d3.select("canvas")
.attr("width", width)
.attr("height", height);
var context = canvas.node().getContext("2d");
var simulation = d3.forceSimulation()
.force("link", d3.forceLink().id(function(d) { return d.id; }).distance(8).strength(0.45))
.force("charge", d3.forceManyBody().strength(-2).distanceMax(250))
.force("center", d3.forceCenter(width / 2, height / 2));
var graph = {};
d3.text("mplate.mtx", function(error, raw) {
if (error) throw error;
var node_set = d3.set();
var pairs = raw.split("\n")
.slice(14)
.map(function(d) { return d.split(" "); });
pairs.forEach(function(d) {
node_set.add(d[0]);
node_set.add(d[1]);
});
graph.nodes = node_set.values().map(function(d) {
return {
id: d
};
});
graph.links = pairs.map(function(d) {
return {
source: d[0],
target: d[1]
}
})
.filter(function(d) {
return d.source !== d.target;
});
simulation
.nodes(graph.nodes)
simulation.force("link")
.links(graph.links);
d3.range(10).forEach(simulation.tick);
simulation
.on("tick", ticked);
canvas.call(d3.drag()
.container(canvas.node())
.subject(dragsubject)
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
function ticked() {
context.clearRect(0, 0, width, height);
context.globalAlpha = 0.15;
context.beginPath();
context.strokeStyle = "#777";
graph.links.forEach(drawLink);
context.stroke();
context.globalAlpha = 1;
graph.nodes.forEach(drawNode);
}
function dragsubject() {
return simulation.find(d3.event.x, d3.event.y);
}
});
function dragstarted() {
if (!d3.event.active) simulation.alphaTarget(0.3).restart();
d3.event.subject.fx = d3.event.subject.x;
d3.event.subject.fy = d3.event.subject.y;
}
function dragged() {
d3.event.subject.fx = d3.event.x;
d3.event.subject.fy = d3.event.y;
}
function dragended() {
if (!d3.event.active) simulation.alphaTarget(0);
d3.event.subject.fx = null;
d3.event.subject.fy = null;
}
function drawLink(d) {
context.moveTo(d.source.x, d.source.y);
context.lineTo(d.target.x, d.target.y);
}
function drawNode(d) {
context.fillStyle = d3.interpolateMagma(Math.sqrt(d.vx*d.vx + d.vy*d.vy)/3);
context.fillRect(d.x-1, d.y-1, 2, 2);
}
</script>