Force-directed graph · deepseek-v3.1-terminus
Using the pre-provided d3.min.js (global d3), render an interactive force-directed graph of about 40 nodes in several clusters with draggable nodes, hover highlighting of neighbors, and zoom/pan. Define the sample nodes and links inline.
transcript · 47 messages
Using the pre-provided d3.min.js (global d3), render an interactive force-directed graph of about 40 nodes in several clusters with draggable nodes, hover highlighting of neighbors, and zoom/pan. Define the sample nodes and links inline.
thinking
I'll first check the current directory and see what files are present, especially d3.min.js. Then I'll create a single index.html file with all CSS and JS inline, using d3.min.js via a script tag. I need to create about 40 nodes in clusters, force-directed layout, draggable nodes, hover highlighting, and zoom/pan. Let's start by exploring.
{"command":"ls -la"}total 276 drwxr-sr-x. 2 node node 23 Aug 1 17:44 . drwxrwsrwx. 3 root node 16 Aug 1 17:44 .. -rw-r--r--. 1 node node 279706 Aug 1 17:44 d3.min.js
thinking
Great, d3.min.js is present. Now I'll create index.html. I'll design clusters: maybe 3 clusters with ~13 nodes each, some inter-cluster links and many intra-cluster links. I'll write a complete HTML file with style and script. Let's craft the content. Use modern CSS, dark theme maybe. I'll write it now.
thinking
Great, d3.min.js is there. Now I'll create index.html with a full self-contained single-page app. I'll need to write the HTML, CSS, and JS (including inline data). I'll design clusters with colors, links, and interactive features. Let's create the file. I'll write a comprehensive solution. Use d3-force for simulation, add zoom behavior, drag behavior, mouseover highlight of neighbors. I'll generate about 40 nodes: maybe 4 clusters of 10 nodes each. Use random positions within clusters. Links will connect nodes within clusters and some cross-cluster links. I'll write the whole file in one go. Let's craft the content.
index.html (15534 bytes)Successfully wrote 15534 bytes to index.html
thinking
Now let's verify the file exists and maybe open it in a browser headless to ensure it works. Let's check the file size and preview a few lines.
{"path":"index.html","limit":10}<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Force‑Directed Graph with Clusters</title> <style> * { margin: 0; padding: 0; [476 more lines in file. Use offset=11 to continue.]
thinking
Great. Let's also ensure d3.min.js is loaded correctly. The script tag uses src="d3.min.js". Since it's in same directory, it will work. We can also check if the file is accessible by trying to read a small part of it. Let's also ensure we have proper DOCTYPE and no missing tags. Let's run a quick check using a simple node script to verify HTML validity? Not needed. Now we have index.html with all required features. Let's also add a note about the number of nodes and links maybe in the subtitle. Already there. Now we can consider adding a small legend for clusters. Might be nice but not required. Let's maybe add a simple legend in the controls area. I'll update the HTML to include a legend. Let's edit the file and add a legend after the sliders. Use flexbox. I'll read the file to see the exact structure and then edit. Let's first read the controls section. Use offset to find lines around the controls div. Let's read lines 30-80.
{"path":"index.html","offset":30,"limit":50}h1 { font-size: 2.2rem; margin-bottom: 0.3rem; background: linear-gradient(90deg, #ff8a00, #e52e71); -webkit-background-clip: text; -webkit-text-fill-color: transparent; } .subtitle { font-size: 1rem; opacity: 0.8; max-width: 700px; line-height: 1.4; } .controls { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin: 1rem 0; padding: 1rem; background: rgba(255, 255, 255, 0.05); border-radius: 12px; max-width: 800px; width: 100%; } .button { background: #0f3460; color: white; border: none; padding: 0.6rem 1.2rem; border-radius: 6px; cursor: pointer; font-weight: 600; transition: all 0.2s; } .button:hover { background: #16213e; transform: translateY(-2px); } .button:active { transform: translateY(0); } .button.active { background: #e94560; [407 more lines in file. Use offset=80 to continue.]
thinking
We need to find the HTML part. Let's search for "controls" in the file using bash.
{"command":"grep -n \"controls\" index.html | head -5"}45: .controls { 190: <div class="controls">
thinking
Now read from line 190 to maybe 230.
{"path":"index.html","offset":185,"limit":50}<header> <h1>Interactive Force‑Directed Graph</h1> <p class="subtitle">Drag nodes, hover to highlight connections, use mouse wheel to zoom, drag background to pan. Four clusters with 40 nodes total.</p> </header> <div class="controls"> <button class="button" id="restart">Restart Simulation</button> <button class="button" id="toggle">Pause / Resume</button> <button class="button" id="resetView">Reset View</button> <div class="slider-container"> <label for="charge">Node Repulsion:</label> <input type="range" id="charge" min="-500" max="-50" value="-200"> </div> <div class="slider-container"> <label for="linkStrength">Link Strength:</label> <input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5"> </div> </div> <div class="container"> <div id="graph"></div> <div class="tooltip" id="tooltip"></div> </div> <p class="instructions"> <strong>Interactions:</strong> Drag any node to reposition. Hover over a node to highlight its direct neighbors and links. Use the mouse wheel to zoom in/out, drag the background to pan. Adjust sliders to change force parameters. </p> <footer> Built with <a href="https://d3js.org/" style="color:#ff8a00;">D3.js</a> • Fully self‑contained • No external resources </footer> <script src="d3.min.js"></script> <script> // --- DATA GENERATION --- const clusterCount = 4; const nodesPerCluster = 10; const totalNodes = clusterCount * nodesPerCluster; const clusters = ['A', 'B', 'C', 'D']; const clusterColors = { 'A': '#e94560', 'B': '#00b7c2', 'C': '#ffbd39', 'D': '#9d4edd' }; let nodes = []; let links = []; [252 more lines in file. Use offset=235 to continue.]
thinking
I'll add a legend after the sliders, maybe as a div with cluster color squares. Let's edit the controls div to include a legend. I'll replace the entire controls div with an updated one. I'll also add some CSS for the legend. Let's first create the CSS for legend. I'll edit the style block, add a .legend class. We'll find the style block end. Let's read the style block lines maybe from start to end. Let's get line numbers of style start and end. Use grep.
{"command":"grep -n \"</style>\" index.html"}182: </style>
thinking
Style ends at line 182. Let's read from line 170 to 182 to see what's before closing style.
{"path":"index.html","offset":170,"limit":15}text-align: center; opacity: 0.6; font-size: 0.9rem; } .instructions { margin-top: 1rem; font-size: 0.9rem; opacity: 0.7; text-align: center; max-width: 600px; } </style> </head> <body> [302 more lines in file. Use offset=185 to continue.]
thinking
Now I'll add legend styles before the closing style tag. Let's edit the file at line 180 (just before the closing style). I'll replace the .instructions block and add legend after it, but better to keep .instructions and add .legend. Let's do an edit that replaces the whole style block? That's large. Better to insert a new CSS rule just before the closing style tag. Use edit with oldText being the exact lines from the start of .instructions block to the closing style tag? Let's capture from line 174 to line 182. Let's read from 174 to 182 exactly.
{"path":"index.html","offset":174,"limit":10}.instructions { margin-top: 1rem; font-size: 0.9rem; opacity: 0.7; text-align: center; max-width: 600px; } </style> </head> [303 more lines in file. Use offset=184 to continue.]
thinking
Now I'll add legend CSS before the closing style. I'll replace from ".instructions {" line through the "}" line and the closing style? Actually I need to add after .instructions block but before </style>. I'll do two edits: one to add a new CSS block, but easier to replace the entire block from line 174 to line 182 with a new block that includes both .instructions and .legend. Let's capture the exact text:
".instructions {
margin-top: 1rem;
font-size: 0.9rem;
opacity: 0.7;
text-align: center;
max-width: 600px;
}
</style>"
But note there is a newline before .instructions? Let's include the preceding blank line? Let's look at line numbers again. I'll get the exact lines with cat -n maybe using bash. Let's do:
`sed -n '174,182p' index.html` but we can approximate. Let's just edit with oldText that includes the exact lines we read. Let's write the exact oldText: " .instructions {\n margin-top: 1rem;\n font-size: 0.9rem;\n opacity: 0.7;\n text-align: center;\n max-width: 600px;\n }\n </style>"
Make sure indentation matches (8 spaces before .instructions?). In the file, there are 8 spaces (two tabs?). Actually the file uses spaces, not tabs. Let's count: each line seems indented with 8 spaces. Let's copy exactly the text as read (including leading spaces). I'll copy from the read output (the snippet above). The snippet shows 8 spaces before .instructions. The lines after have 12 spaces. Let's copy exactly.
I'll write the oldText as:
" .instructions {
margin-top: 1rem;
font-size: 0.9rem;
opacity: 0.7;
text-align: center;
max-width: 600px;
}
</style>"
Now newText will be the same plus legend CSS. Let's write.{"edits":[{"newText":" .instructions {\n margin-top: 1rem;\n font-size: 0.9rem;\n opacity: 0.7;\n Successfully replaced 1 block(s) in index.html.
thinking
Great. Now we need to add the legend HTML inside the controls div. Let's find the controls div again and add after the sliders. I'll replace the entire controls div with a new one that includes a legend container. Let's get the exact oldText for the controls div (lines 190 to maybe 210). Let's read lines 190 to 210.
{"path":"index.html"}<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Force‑Directed Graph with Clusters</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #1a1a2e; color: #eee; display: flex; flex-direction: column; align-items: center; min-height: 100vh; padding: 1rem; } header { text-align: center; margin-bottom: 1rem; } h1 { font-size: 2.2rem; margin-bottom: 0.3rem; background: linear-gradient(90deg, #ff8a00, #e52e71); -webkit-background-clip: text; -webkit-text-fill-color: transparent; } .subtitle { font-size: 1rem; opacity: 0.8; max-width: 700px; line-height: 1.4; } .controls { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin: 1rem 0; padding: 1rem; background: rgba(255, 255, 255, 0.05); border-radius: 12px; max-width: 800px; width: 100%; } .button { background: #0f3460; color: white; border: none; padding: 0.6rem 1.2rem; border-radius: 6px; cursor: pointer; font-weight: 600; transition: all 0.2s; } .button:hover { background: #16213e; transform: translateY(-2px); } .button:active { transform: translateY(0); } .button.active { background: #e94560; box-shadow: 0 0 12px #e94560; } .slider-container { display: flex; align-items: center; gap: 0.5rem; } .slider-container label { font-size: 0.9rem; opacity: 0.9; } input[type="range"] { width: 120px; } .container { width: 100%; max-width: 1000px; height: 600px; background: #0f3460; border-radius: 16px; overflow: hidden; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4); border: 1px solid rgba(255, 255, 255, 0.1); position: relative; } #graph { width: 100%; height: 100%; } .node { stroke: #fff; stroke-width: 1.5; cursor: pointer; transition: stroke-width 0.2s; } .node:hover { stroke-width: 3; } .link { stroke: rgba(255, 255, 255, 0.3); stroke-width: 1.2; pointer-events: none; } .highlight { stroke: #00ff9d; stroke-width: 3; } .highlight-link { stroke: #00ff9d; stroke-width: 2; opacity: 1; } .cluster-label { font-size: 14px; font-weight: bold; fill: #fff; text-anchor: middle; pointer-events: none; user-select: none; } .tooltip { position: absolute; padding: 8px 12px; background: rgba(0, 0, 0, 0.85); color: white; border-radius: 6px; font-size: 0.9rem; pointer-events: none; opacity: 0; transition: opacity 0.2s; border: 1px solid rgba(255, 255, 255, 0.2); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5); max-width: 300px; z-index: 100; } footer { margin-top: 2rem; text-align: center; opacity: 0.6; font-size: 0.9rem; } .instructions { margin-top: 1rem; font-size: 0.9rem; opacity: 0.7; text-align: center; max-width: 600px; } .legend { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; margin-left: 1rem; } .legend-item { display: flex; align-items: center; gap: 0.4rem; } .legend-color { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, 0.5); } .legend-label { font-size: 0.9rem; opacity: 0.9; } </style> </head> <body> <header> <h1>Interactive Force‑Directed Graph</h1> <p class="subtitle">Drag nodes, hover to highlight connections, use mouse wheel to zoom, drag background to pan. Four clusters with 40 nodes total.</p> </header> <div class="controls"> <button class="button" id="restart">Restart Simulation</button> <button class="button" id="toggle">Pause / Resume</button> <button class="button" id="resetView">Reset View</button> <div class="slider-container"> <label for="charge">Node Repulsion:</label> <input type="range" id="charge" min="-500" max="-50" value="-200"> </div> <div class="slider-container"> <label for="linkStrength">Link Strength:</label> <input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5"> </div> </div> <div class="container"> <div id="graph"></div> <div class="tooltip" id="tooltip"></div> </div> <p class="instructions"> <strong>Interactions:</strong> Drag any node to reposition. Hover over a node to highlight its direct neighbors and links. Use the mouse wheel to zoom in/out, drag the background to pan. Adjust sliders to change force parameters. </p> <footer> Built with <a href="https://d3js.org/" style="color:#ff8a00;">D3.js</a> • Fully self‑contained • No external resources </footer> <script src="d3.min.js"></script> <script> // --- DATA GENERATION --- const clusterCount = 4; const nodesPerCluster = 10; const totalNodes = clusterCount * nodesPerCluster; const clusters = ['A', 'B', 'C', 'D']; const clusterColors = { 'A': '#e94560', 'B': '#00b7c2', 'C': '#ffbd39', 'D': '#9d4edd' }; let nodes = []; let links = []; // Generate nodes with initial positions in cluster regions clusters.forEach((clusterId, idx) => { const centerX = 300 + (idx % 2) * 400; const centerY = 200 + Math.floor(idx / 2) * 300; for (let i = 0; i < nodesPerCluster; i++) { nodes.push({ id: `${clusterId}${i}`, cluster: clusterId, label: `Node ${clusterId}${i}`, radius: 8 + Math.random() * 6, x: centerX + (Math.random() - 0.5) * 150, y: centerY + (Math.random() - 0.5) * 150 }); } }); // Generate links: more within clusters, fewer between clusters nodes.forEach((source, i) => { // Links to other nodes in same cluster nodes.forEach((target, j) => { if (i >= j) return; if (source.cluster === target.cluster) { // 40% chance of intra‑cluster link if (Math.random() < 0.4) { links.push({ source, target, strength: 0.8 }); } } else { // 5% chance of cross‑cluster link if (Math.random() < 0.05) { links.push({ source, target, strength: 0.3 }); } } }); }); // Ensure at least one cross‑cluster link per cluster pair for connectivity const clusterPairs = []; for (let a = 0; a < clusters.length; a++) { for (let b = a + 1; b < clusters.length; b++) { clusterPairs.push([clusters[a], clusters[b]]); } } clusterPairs.forEach(pair => { const nodesA = nodes.filter(n => n.cluster === pair[0]); const nodesB = nodes.filter(n => n.cluster === pair[1]); if (nodesA.length && nodesB.length) { const source = nodesA[Math.floor(Math.random() * nodesA.length)]; const target = nodesB[Math.floor(Math.random() * nodesB.length)]; // avoid duplicate links if (!links.find(l => (l.source === source && l.target === target) || (l.source === target && l.target === source) )) { links.push({ source, target, strength: 0.4 }); } } }); // --- SETUP --- const width = 1000, height = 600; const svg = d3.select('#graph') .append('svg') .attr('width', width) .attr('height', height) .attr('viewBox', `0 0 ${width} ${height}`) .style('background', '#0f3460'); const g = svg.append('g'); const zoom = d3.zoom() .scaleExtent([0.1, 4]) .on('zoom', (event) => { g.attr('transform', event.transform); }); svg.call(zoom); // tooltip const tooltip = d3.select('#tooltip'); // --- FORCE SIMULATION --- let simulation = d3.forceSimulation(nodes) .force('link', d3.forceLink(links).id(d => d.id).strength(d => d.strength || 0.5)) .force('charge', d3.forceManyBody().strength(-200)) .force('center', d3.forceCenter(width / 2, height / 2)) .force('collision', d3.forceCollide().radius(d => d.radius + 5)) .alphaDecay(0.02) .velocityDecay(0.4); // --- DRAWING --- // links const link = g.append('g') .attr('class', 'links') .selectAll('line') .data(links) .enter() .append('line') .attr('class', 'link') .attr('stroke-width', 1.2); // nodes const node = g.append('g') .attr('class', 'nodes') .selectAll('circle') .data(nodes) .enter() .append('circle') .attr('class', 'node') .attr('r', d => d.radius) .attr('fill', d => clusterColors[d.cluster]) .call(d3.drag() .on('start', dragstarted) .on('drag', dragged) .on('end', dragended) ) .on('mouseover', mouseover) .on('mouseout', mouseout); // cluster labels const label = g.append('g') .attr('class', 'labels') .selectAll('text') .data(clusters.map(cl => { const clusterNodes = nodes.filter(n => n.cluster === cl); const x = d3.mean(clusterNodes, n => n.x); const y = d3.mean(clusterNodes, n => n.y); return { cluster: cl, x, y }; })) .enter() .append('text') .attr('class', 'cluster-label') .attr('x', d => d.x) .attr('y', d => d.y) .text(d => `Cluster ${d.cluster}`) .style('fill', d => clusterColors[d.cluster]) .style('font-size', '20px') .style('paint-order', 'stroke') .style('stroke', '#000') .style('stroke-width', '3px') .style('stroke-opacity', 0.6); // --- SIMULATION TICK --- simulation.on('tick', () => { link .attr('x1', d => d.source.x) .attr('y1', d => d.source.y) .attr('x2', d => d.target.x) .attr('y2', d => d.target.y); node .attr('cx', d => d.x) .attr('cy', d => d.y); // update label positions based on current node positions label.data(clusters.map(cl => { const clusterNodes = nodes.filter(n => n.cluster === cl); const x = d3.mean(clusterNodes, n => n.x); const y = d3.mean(clusterNodes, n => n.y); return { cluster: cl, x, y }; })) .attr('x', d => d.x) .attr('y', d => d.y); }); // --- INTERACTIONS --- function dragstarted(event) { if (!event.active) simulation.alphaTarget(0.3).restart(); event.subject.fx = event.subject.x; event.subject.fy = event.subject.y; } function dragged(event) { event.subject.fx = event.x; event.subject.fy = event.y; } function dragended(event) { if (!event.active) simulation.alphaTarget(0); event.subject.fx = null; event.subject.fy = null; } let highlightedNode = null; function mouseover(event, d) { highlightedNode = d; // highlight this node node.classed('highlight', n => n === d); // highlight its neighbors const neighborIds = new Set(); links.forEach(l => { if (l.source === d) neighborIds.add(l.target.id); if (l.target === d) neighborIds.add(l.source.id); }); node.classed('highlight', n => n === d || neighborIds.has(n.id)); link.classed('highlight-link', l => l.source === d || l.target === d); // tooltip tooltip .style('opacity', 1) .html(` <strong>${d.label}</strong><br/> Cluster: ${d.cluster}<br/> Radius: ${d.radius.toFixed(1)}<br/> Links: ${links.filter(l => l.source === d || l.target === d).length} `) .style('left', (event.pageX + 10) + 'px') .style('top', (event.pageY - 10) + 'px'); } function mouseout() { if (highlightedNode) { node.classed('highlight', false); link.classed('highlight-link', false); } tooltip.style('opacity', 0); } // --- CONTROLS --- d3.select('#restart').on('click', () => { simulation.alpha(1).restart(); }); let isRunning = true; d3.select('#toggle').on('click', function() { if (isRunning) { simulation.stop(); d3.select(this).classed('active', true).text('Resume'); } else { simulation.alpha(0.1).restart(); d3.select(this).classed('active', false).text('Pause'); } isRunning = !isRunning; }); d3.select('#resetView').on('click', () => { svg.transition().duration(750).call( zoom.transform, d3.zoomIdentity ); }); d3.select('#charge').on('input', function() { const val = +this.value; simulation.force('charge').strength(val); simulation.alpha(0.3).restart(); }); d3.select('#linkStrength').on('input', function() { const val = +this.value; simulation.force('link').strength(d => (d.strength || 0.5) * val); simulation.alpha(0.3).restart(); }); </script> </body> </html>
thinking
Now we need to replace the controls div with a new one that includes a legend. Let's locate the exact lines. The controls div starts at line 190? Actually after reading the whole file, we can see the controls div lines are:
```
<div class="controls">
<button class="button" id="restart">Restart Simulation</button>
<button class="button" id="toggle">Pause / Resume</button>
<button class="button" id="resetView">Reset View</button>
<div class="slider-container">
<label for="charge">Node Repulsion:</label>
<input type="range" id="charge" min="-500" max="-50" value="-200">
</div>
<div class="slider-container">
<label for="linkStrength">Link Strength:</label>
<input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5">
</div>
</div>
```
We'll replace that entire block with a new block that includes a legend div. We'll keep the same indentation. Let's write the new block:
```
<div class="controls">
<button class="button" id="restart">Restart Simulation</button>
<button class="button" id="toggle">Pause / Resume</button>
<button class="button" id="resetView">Reset View</button>
<div class="slider-container">
<label for="charge">Node Repulsion:</label>
<input type="range" id="charge" min="-500" max="-50" value="-200">
</div>
<div class="slider-container">
<label for="linkStrength">Link Strength:</label>
<input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5">
</div>
<div class="legend">
<div class="legend-item">
<div class="legend-color" style="background-color: #e94560;"></div>
<span class="legend-label">Cluster A</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background-color: #00b7c2;"></div>
<span class="legend-label">Cluster B</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background-color: #ffbd39;"></div>
<span class="legend-label">Cluster C</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background-color: #9d4edd;"></div>
<span class="legend-label">Cluster D</span>
</div>
</div>
</div>
```
Now we need to find the exact oldText. Let's copy the exact lines from the file (including whitespace). We'll use the exact text we captured earlier. I'll write the edit. Let's also ensure we match the line endings (newline). We'll use the exact snippet we read earlier but we need to include the preceding spaces? The lines start with 4 spaces? Let's examine: In the file, the line " <div class=\"controls\">" is indented with 4 spaces (since it's inside body). The body is inside html, which is not indented? Actually the body is indented with 4 spaces? Let's look at the file around line 190. We can copy the exact block from the read output earlier (the part we printed). In that read output, the lines start with " " (four spaces). The snippet we printed includes those spaces. So we can copy from the read output we already have (the earlier read). Let's extract the exact lines from that read output (the one we did earlier). I'll copy the text from that read output (the lines 190-210). Let's do a quick bash to get the exact block with line numbers and spaces. But we can also use a regex to find the block with sed and output with exact spaces. However, we can also use the fact that the file is now in memory? Let's just write the edit using the exact oldText we can copy from the file using cat -n and manually copy. I'll do a small bash to get lines 190-210 with cat -n and pipe to head/tail.
Let's run:{"command":"sed -n '190,210p' index.html"}.legend-item { display: flex; align-items: center; gap: 0.4rem; } .legend-color { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, 0.5); } .legend-label { font-size: 0.9rem; opacity: 0.9; } </style> </head> <body>
thinking
That's not right because we added legend CSS after line 190. Actually the line numbers changed after we inserted legend CSS. Let's search for "controls" again to find the new line number. Let's do:
{"command":"grep -n \"controls\" index.html"}45: .controls { 216: <div class="controls">
thinking
Great. So the controls div starts at line 216. Let's get lines 216 to maybe 240 to capture the entire div. Let's use sed to print lines 216-240.
{"command":"sed -n '216,240p' index.html"}<div class="controls"> <button class="button" id="restart">Restart Simulation</button> <button class="button" id="toggle">Pause / Resume</button> <button class="button" id="resetView">Reset View</button> <div class="slider-container"> <label for="charge">Node Repulsion:</label> <input type="range" id="charge" min="-500" max="-50" value="-200"> </div> <div class="slider-container"> <label for="linkStrength">Link Strength:</label> <input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5"> </div> </div> <div class="container"> <div id="graph"></div> <div class="tooltip" id="tooltip"></div> </div> <p class="instructions"> <strong>Interactions:</strong> Drag any node to reposition. Hover over a node to highlight its direct neighbors and links. Use the mouse wheel to zoom in/out, drag the background to pan. Adjust sliders to change force parameters. </p> <footer>
thinking
Now we need to replace from line 216 to the closing `</div>` line (line 228?). Actually we need to capture up to the line before `<div class="container">`. Let's find the line number of `<div class="container">`. Let's grep -n "container".
{"command":"grep -n \"container\" index.html"}83: .slider-container { 89: .slider-container label { 98: .container { 220: <div class="slider-container"> 224: <div class="slider-container"> 230: <div class="container">
thinking
So line 230 is the start of container div. So the controls div ends at line 229? Let's look at line 229: we need to see line 229. Let's print lines 225-230.
{"command":"sed -n '225,230p' index.html"}<label for="linkStrength">Link Strength:</label> <input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5"> </div> </div> <div class="container">
thinking
Thus the controls div consists of lines 216-229 (including the closing `</div>`). Let's capture lines 216-229 exactly. Let's write a small script to output with newlines preserved, but we can copy manually. I'll write oldText as:
```
<div class="controls">
<button class="button" id="restart">Restart Simulation</button>
<button class="button" id="toggle">Pause / Resume</button>
<button class="button" id="resetView">Reset View</button>
<div class="slider-container">
<label for="charge">Node Repulsion:</label>
<input type="range" id="charge" min="-500" max="-50" value="-200">
</div>
<div class="slider-container">
<label for="linkStrength">Link Strength:</label>
<input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5">
</div>
</div>
```
Make sure indentation matches exactly. Let's count spaces: each line after the first has 8 spaces? Actually the file uses 4 spaces for each indent level. The line " <div class=\"controls\">" is inside body, which is indented 4 spaces relative to `<body>`? The `<body>` line is not indented? Actually `<body>` is at column 0? Let's check line 214 maybe. Let's quickly view line 210-220. Let's do head -n 220 index.html | tail -n 20. But easier: we'll just copy the exact text from the file using cat with line numbers and spaces visible. We'll use `sed -n '216,229p' index.html > /tmp/old.txt` and then read it. Let's do that.{"command":"sed -n '216,229p' index.html | cat -A"}<div class="controls">$ <button class="button" id="restart">Restart Simulation</button>$ <button class="button" id="toggle">Pause / Resume</button>$ <button class="button" id="resetView">Reset View</button>$ <div class="slider-container">$ <label for="charge">Node Repulsion:</label>$ <input type="range" id="charge" min="-500" max="-50" value="-200">$ </div>$ <div class="slider-container">$ <label for="linkStrength">Link Strength:</label>$ <input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5">$ </div>$ </div>$ $
thinking
Note there is a blank line after the closing div (line 230?). Actually line 230 is the container div. There is an empty line between? The output shows a blank line after `</div>`? Actually there is a line break after `</div>` and before the next line? The `$` indicates end of line. There is an empty line after the `</div>`? Let's check line 230 is `<div class="container">`. So there is a newline after line 229 (the blank line). That's fine. We'll include that newline? The oldText should include the newline after `</div>`? Actually the blank line is line 230? Wait line numbers: we have lines 216-229 inclusive. That's 14 lines. The blank line is line 230? Let's check line 230 is `<div class="container">`. So there is no blank line. The blank line we see in cat -A output is because there is an empty line after the `</div>`? Let's examine line 229: ` </div>`. That's line 229. Line 230 is empty? Actually we saw earlier that line 230 is `<div class="container">`. Wait we got line 230 from grep earlier. Let's verify: `sed -n '230,230p' index.html`. Let's do.
{"command":"sed -n '230,230p' index.html"}<div class="container">
thinking
So line 230 is container div. That means there is no blank line between them. The cat -A output shows a blank line because there is a newline after the `</div>` line? Actually each line ends with $, and there is a line break after each line. The blank line is just the line break between lines? The output shows a line with just `$`? Wait the output shows:
```
</div>$
$
```
Actually there are two `$` lines? Let's look again: the last lines of the output are:
```
</div>$
</div>$
$
```
Wait we need to see the exact output again. Let's write to a file and cat -n. Let's do:{"command":"sed -n '216,230p' index.html | cat -n"}1 <div class="controls"> 2 <button class="button" id="restart">Restart Simulation</button> 3 <button class="button" id="toggle">Pause / Resume</button> 4 <button class="button" id="resetView">Reset View</button> 5 <div class="slider-container"> 6 <label for="charge">Node Repulsion:</label> 7 <input type="range" id="charge" min="-500" max="-50" value="-200"> 8 </div> 9 <div class="slider-container"> 10 <label for="linkStrength">Link Strength:</label> 11 <input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5"> 12 </div> 13 </div> 14 15 <div class="container">
thinking
Ah! There is a blank line (line 14) between the two divs. That's line 229? Wait line numbers: The blank line is line 14 of this snippet, which corresponds to line 229? Let's compute: line 216 is first line of snippet, line 230 is container div line. So lines:
216: `<div class="controls">`
217: button restart
218: button toggle
219: button resetView
220: slider-container div
221: label
222: input
223: `</div>`
224: slider-container div
225: label
226: input
227: `</div>`
228: `</div>` (closing controls)
229: (blank line)
230: `<div class="container">`
Thus there is a blank line at line 229. That's part of the original file (maybe due to formatting). We'll include that blank line? The oldText we want to replace should include lines 216-229 inclusive? That includes the blank line. But we need to replace the entire block up to the blank line? Actually we want to replace the controls div and keep the blank line? The blank line is not part of the controls div; it's just whitespace between divs. We'll keep it as is. So we should replace lines 216-228 (excluding blank line). Let's capture lines 216-228. Let's write oldText as lines 216-228.
Let's extract lines 216-228 using sed '216,228p'. Let's do that and capture exact text. We'll do it in a script but we can manually copy. Let's use bash to write to a variable and then use edit? But we can just write oldText as concatenated lines with newlines. Let's produce with echo -e. We'll do a quick python? Let's just write oldText manually based on the snippet we have, excluding the blank line. We'll ensure we have exactly 13 lines.
Let's write oldText:
```
<div class="controls">
<button class="button" id="restart">Restart Simulation</button>
<button class="button" id="toggle">Pause / Resume</button>
<button class="button" id="resetView">Reset View</button>
<div class="slider-container">
<label for="charge">Node Repulsion:</label>
<input type="range" id="charge" min="-500" max="-50" value="-200">
</div>
<div class="slider-container">
<label for="linkStrength">Link Strength:</label>
<input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5">
</div>
</div>
```
Now we need newText that includes the legend. Let's write newText with the same indentation plus legend div after the sliders. We'll keep the same blank line after? Actually we will replace the whole controls div, and after replacement there will still be a blank line (since we keep line 229 unchanged). That's fine.
Now we must match exact whitespace. Let's count spaces: each line after the first has 8 spaces? Actually the indentation: body is indented 4 spaces relative to `<body>`? The `<body>` line is not indented. Let's look at line 214: `</head>` line? Let's quickly view lines 210-215. Let's do sed -n '210,215p'.{"command":"sed -n '210,215p' index.html"}<body> <header> <h1>Interactive Force‑Directed Graph</h1> <p class="subtitle">Drag nodes, hover to highlight connections, use mouse wheel to zoom, drag background to pan. Four clusters with 40 nodes total.</p> </header>
thinking
So `<body>` at column 0, then ` <header>` (4 spaces). So the controls div is indented 4 spaces (since it's directly under body). The buttons inside controls div are indented 8 spaces (two levels). The slider-container div is also 8 spaces, its children 12 spaces.
Thus our oldText must start with " <div class=\"controls\">". That's exactly what we have.
Now we need to ensure newText uses same indentation. Let's write newText with legend div at same level as slider-container (8 spaces). The legend items inside legend div will be indented 12 spaces, and color div maybe 16 spaces.
Let's craft newText:
```
<div class="controls">
<button class="button" id="restart">Restart Simulation</button>
<button class="button" id="toggle">Pause / Resume</button>
<button class="button" id="resetView">Reset View</button>
<div class="slider-container">
<label for="charge">Node Repulsion:</label>
<input type="range" id="charge" min="-500" max="-50" value="-200">
</div>
<div class="slider-container">
<label for="linkStrength">Link Strength:</label>
<input type="range" id="linkStrength" min="0" max="1" step="0.05" value="0.5">
</div>
<div class="legend">
<div class="legend-item">
<div class="legend-color" style="background-color: #e94560;"></div>
<span class="legend-label">Cluster A</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background-color: #00b7c2;"></div>
<span class="legend-label">Cluster B</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background-color: #ffbd39;"></div>
<span class="legend-label">Cluster C</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background-color: #9d4edd;"></div>
<span class="legend-label">Cluster D</span>
</div>
</div>
</div>
```
Now we need to apply edit. Let's do it. First, verify oldText uniqueness. Since there is only one controls div, it's unique.
Let's apply edit now.{"edits":[{"newText":" <div class=\"controls\">\n <button class=\"button\" id=\"restart\">Restart Simulation</button>\n <buSuccessfully replaced 1 block(s) in index.html.
thinking
Great. Now we should verify that the file is still valid and the legend appears. Let's quickly check the file size and maybe open in a headless browser to see if any JS errors. We can also run a quick node script to test basic HTML validity, but we can trust. Now we have a complete self-contained index.html with all required features: force-directed graph with about 40 nodes in 4 clusters, draggable nodes, hover highlighting, zoom/pan, interactive controls, legend. Let's also add a note about the number of links maybe in the subtitle? Already there. It's fine. Now we can optionally add a small feature like showing number of nodes and links in the controls. But not needed. Now final step: ensure the file is fully self-contained and uses no external resources (except d3.min.js which is local). That's satisfied. Let's double-check the script tag is correctly referencing d3.min.js. It's there. Now we can produce a final answer stating the file is created and ready. Let's also output a short summary of features. We'll also maybe test by opening the HTML in a headless browser like using python webbrowser? Not necessary. Let's just confirm the file exists and contains the expected content by reading the tail. Let's check the last few lines.
{"command":"tail -10 index.html"}}); d3.select('#linkStrength').on('input', function() { const val = +this.value; simulation.force('link').strength(d => (d.strength || 0.5) * val); simulation.alpha(0.3).restart(); }); </script> </body> </html>
thinking
Looks good. Now we have successfully built the single-page web app. Let's provide a final answer.
I've created a complete, self-contained interactive force-directed graph visualization in `index.html` that uses the pre-provided `d3.min.js` library. Here are the key features: ## **Features Implemented** ### **Graph Visualization** - **40 nodes organized into 4 distinct clusters** (A, B, C, D) with 10 nodes each - **Force-directed layout** with natural physics simulation - **Cluster coloring**: Each cluster has a distinct color (red, teal, yellow, purple) - **Dynamic cluster labels** that follow their respective clusters ### **Interactivity** - **Draggable nodes**: Click and drag any node to reposition it - **Hover highlighting**: Mouse over any node to highlight its direct neighbors and connecting links - **Zoom and pan**: Use mouse wheel to zoom, drag background to pan (scale: 0.1x to 4x) - **Tooltips**: Display node details (label, cluster, radius, link count) on hover ### **Controls Panel** - **Restart Simulation**: Reset the force simulation with full energy - **Pause/Resume**: Toggle the simulation on/off - **Reset View**: Return to default zoom/pan position - **Node Repulsion Slider**: Adjust the repulsive force between nodes (-500 to -50) - **Link Strength Slider**: Adjust the attractive force of links (0 to 1) - **Cluster Legend**: Color-coded legend showing all four clusters ### **Technical Implementation** - **Pure HTML/CSS/JavaScript** - no external dependencies except local `d3.min.js` - **Self-contained single file** - all CSS and JavaScript inline - **Responsive design** with modern UI styling - **Force simulation** with collision detection, link forces, and many-body forces - **Optimized performance** with alpha decay and velocity decay ## **Graph Structure** - **Nodes**: 40 total, each with random radius (8-14px) and initial cluster-based positioning - **Links**: Generated with: - 40% probability for intra-cluster connections (stronger links) - 5% probability for cross-cluster connections (weaker links) - Guaranteed minimum connectivity between all cluster pairs ## **File Structure** ``` /tmp/ws/ ├── d3.min.js # Pre-provided D3.js library (279KB) └── index.html # Complete visualization (15.5KB) ``` The visualization is ready to use - simply open `index.html` in any modern web browser. All interactions are described in the interface, and the graph will continuously evolve according to the force simulation until paused.
TAKE IT TO CODE
A single self-contained HTML file — copy it and open in any browser, or reuse the prompt with your own pi-agent run.
RUN
EVALUATION
Force-directed clustered graph renders and pans via drag/wheel, but zoomed too far in after Enter+Space/arrows leaving graph off-screen.
Vision grade · anthropic/claude-sonnet-5
MEASUREMENTS
Raw readings from the capture, not a verdict — the grade above is the only judgement. Percentages are how much of the screen changed; the measure under-reports sparse motion on a dark background.