policymap/templates/index.html

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2025-03-12 16:19:16 -07:00
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>3D Force-Directed Graph</title>
<script src="https://d3js.org/d3.v7.min.js"></script>
<style>
body {
margin: 0;
overflow: hidden;
}
#graph-container {
width: 100%;
height: 100vh;
}
</style>
</head>
<body>
<div id="graph-container"></div>
<script>
// Fetch the graph data from the Flask server
fetch('/data')
.then(response => response.json())
.then(data => {
const nodes = data.nodes.map(node => ({
...node,
x: Math.random() * 1000 - 500,
y: Math.random() * 1000 - 500,
z: Math.random() * 1000 - 500
}));
const links = data.edges;
// Create the force-directed graph using D3.js
const container = document.getElementById('graph-container');
const width = container.clientWidth;
const height = container.clientHeight;
const simulation = d3.forceSimulation(nodes)
.force("link", d3.forceLink(links).id(d => d.id))
.force("charge", d3.forceManyBody().strength(-50))
.force("x", d3.forceX(width / 2))
.force("y", d3.forceY(height / 2));
const svg = d3.select(container)
.append('svg')
.attr('width', width)
.attr('height', height);
const link = svg.append('g')
.attr('class', 'links')
.selectAll('line')
.data(links)
.enter().append('line')
.style("stroke-width", function(d) { return Math.sqrt(d.value); });
const node = svg.append('g')
.attr('class', 'nodes')
.selectAll('circle')
.data(nodes)
.enter().append('circle')
.attr('r', 5)
.attr('fill', '#69b3a2')
.call(d3.drag()
.on("start", dragstarted)
.on("drag", dragged)
.on("end", dragended));
node.append('title')
.text(d => d.id);
simulation.on("tick", () => {
link
.attr("x1", d => d.source.x)
.attr("y1", d => d.source.y)
.attr("z1", d => d.source.z)
.attr("x2", d => d.target.x)
.attr("y2", d => d.target.y)
.attr("z2", d => d.target.z);
node
.attr("cx", d => d.x)
.attr("cy", d => d.y)
.attr("cz", d => d.z);
});
function dragstarted(event, d) {
if (!event.active) simulation.alphaTarget(0.3).restart();
d.fx = d.x;
d.fy = d.y;
d.fz = d.z;
}
function dragged(event, d) {
d.fx = event.x;
d.fy = event.y;
d.fz = event.z;
}
function dragended(event, d) {
if (!event.active) simulation.alphaTarget(0);
d.fx = null;
d.fy = null;
d.fz = null;
}
});
</script>
</body>
</html>