luketn/hnsw-diagram.html

## hnsw-diagram.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>HNSW Graph Visualization</title>
    <script src="https://d3js.org/d3.v7.min.js"></script>
    <style>
        .link {
            stroke: #999;
            stroke-opacity: 0.6;
        }

        .node circle {
            stroke: #fff;
            stroke-width: 1.5px;
        }

        .node text {
            font-size: 12px;
            font-family: Arial;
        }

        .layer-label {
            font-size: 14px;
            font-family: Arial;
            fill: #333;
        }
    </style>
</head>
<body>
<svg width="960" height="600"></svg>

<script>
    function generateMockHNSWData(layers, nodesPerLayer) {
        let nodes = [], links = [];

        // Generate nodes for each layer
        for (let layer = 0; layer < layers; layer++) {
            for (let i = 0; i < nodesPerLayer[layer]; i++) {
                const nodeId = `L${layer}N${i}`;
                nodes.push({id: nodeId, layer: layer});
                // Connect to previous node in the same layer
                if (i > 0) {
                    links.push({source: `L${layer}N${i - 1}`, target: nodeId});
                }
                // Create bridges to the next layer (if not the bottom layer)
                if (layer < layers - 1) {
                    const targetNodeId = `L${layer + 1}N${Math.floor(i / 2)}`;
                    links.push({source: nodeId, target: targetNodeId});
                }
            }
        }

        return {nodes, links};
    }

    const width = 640;
    const height = 480;

    // Generate mock data
        const {nodes, links} = generateMockHNSWData(3, [5, 10, 20]); // Adjust parameters as needed

    const svg = d3.select("svg")
        .attr("viewBox", [-width / 2, -height / 2, width, height]);

    // Define the simulation here but don't start it yet
    const simulation = d3.forceSimulation()
        .force("link", d3.forceLink().id(d => d.id))
        .force("charge", d3.forceManyBody())
        .force("center", d3.forceCenter(0, 0));

    // Now define the drag functionality
    function drag(simulation) {
        function dragstarted(event) {
            if (!event.active) simulation.alphaTarget(0.3).restart();
            event.subject.fx = event.subject.x;
            event.subject.fy = event.subject.y;
        }

        function dragged(event) {
            event.subject.fx = event.x;
            event.subject.fy = event.y;
        }

        function dragended(event) {
            if (!event.active) simulation.alphaTarget(0);
            event.subject.fx = null;
            event.subject.fy = null;
        }

        return d3.drag()
            .on("start", dragstarted)
            .on("drag", dragged)
            .on("end", dragended);
    }

    // Draw links
    const link = svg.append("g")
        .selectAll("line")
        .data(links)
        .join("line")
        .attr("stroke", "#999")
        .attr("stroke-opacity", 0.6);

    // Draw nodes
    const node = svg.append("g")
        .selectAll("circle")
        .data(nodes)
        .join("circle")
        .attr("r", 5)
        .attr("fill", d => d3.schemeCategory10[d.layer % 10])
        .call(drag(simulation)); // Now we can safely pass the simulation

    node.append("title")
        .text(d => d.id);

    // Apply the data to the simulation
    simulation
        .nodes(nodes)
        .on("tick", () => {
            link.attr("x1", d => d.source.x)
                .attr("y1", d => d.source.y)
                .attr("x2", d => d.target.x)
                .attr("y2", d => d.target.y);

            node.attr("cx", d => d.x)
                .attr("cy", d => d.y);
        });

    simulation.force("link")
        .links(links);
</script>

</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>HNSW Graph Visualization</title>
	<script src="https://d3js.org/d3.v7.min.js"></script>
	<style>
	.link {
	stroke: #999;
	stroke-opacity: 0.6;
	}

	.node circle {
	stroke: #fff;
	stroke-width: 1.5px;
	}

	.node text {
	font-size: 12px;
	font-family: Arial;
	}

	.layer-label {
	font-size: 14px;
	font-family: Arial;
	fill: #333;
	}
	</style>
	</head>
	<body>
	<svg width="960" height="600"></svg>

	<script>
	function generateMockHNSWData(layers, nodesPerLayer) {
	let nodes = [], links = [];

	// Generate nodes for each layer
	for (let layer = 0; layer < layers; layer++) {
	for (let i = 0; i < nodesPerLayer[layer]; i++) {
	const nodeId = `L${layer}N${i}`;
	nodes.push({id: nodeId, layer: layer});
	// Connect to previous node in the same layer
	if (i > 0) {
	links.push({source: `L${layer}N${i - 1}`, target: nodeId});
	}
	// Create bridges to the next layer (if not the bottom layer)
	if (layer < layers - 1) {
	const targetNodeId = `L${layer + 1}N${Math.floor(i / 2)}`;
	links.push({source: nodeId, target: targetNodeId});
	}
	}
	}

	return {nodes, links};
	}

	const width = 640;
	const height = 480;

	// Generate mock data
	const {nodes, links} = generateMockHNSWData(3, [5, 10, 20]); // Adjust parameters as needed

	const svg = d3.select("svg")
	.attr("viewBox", [-width / 2, -height / 2, width, height]);

	// Define the simulation here but don't start it yet
	const simulation = d3.forceSimulation()
	.force("link", d3.forceLink().id(d => d.id))
	.force("charge", d3.forceManyBody())
	.force("center", d3.forceCenter(0, 0));

	// Now define the drag functionality
	function drag(simulation) {
	function dragstarted(event) {
	if (!event.active) simulation.alphaTarget(0.3).restart();
	event.subject.fx = event.subject.x;
	event.subject.fy = event.subject.y;
	}

	function dragged(event) {
	event.subject.fx = event.x;
	event.subject.fy = event.y;
	}

	function dragended(event) {
	if (!event.active) simulation.alphaTarget(0);
	event.subject.fx = null;
	event.subject.fy = null;
	}

	return d3.drag()
	.on("start", dragstarted)
	.on("drag", dragged)
	.on("end", dragended);
	}

	// Draw links
	const link = svg.append("g")
	.selectAll("line")
	.data(links)
	.join("line")
	.attr("stroke", "#999")
	.attr("stroke-opacity", 0.6);

	// Draw nodes
	const node = svg.append("g")
	.selectAll("circle")
	.data(nodes)
	.join("circle")
	.attr("r", 5)
	.attr("fill", d => d3.schemeCategory10[d.layer % 10])
	.call(drag(simulation)); // Now we can safely pass the simulation

	node.append("title")
	.text(d => d.id);

	// Apply the data to the simulation
	simulation
	.nodes(nodes)
	.on("tick", () => {
	link.attr("x1", d => d.source.x)
	.attr("y1", d => d.source.y)
	.attr("x2", d => d.target.x)
	.attr("y2", d => d.target.y);

	node.attr("cx", d => d.x)
	.attr("cy", d => d.y);
	});

	simulation.force("link")
	.links(links);
	</script>

	</body>
	</html>