Force-directed graph · north-mini-code
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 · 10 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
The user wants me to create a single-page web app in one file (index.html) that renders an interactive force-directed graph using the pre-provided d3.min.js library. Key requirements: 1. Use the pre-provided d3.min.js (global d3) 2. Create an interactive force-directed graph with about 40 nodes 3. Nodes should be in several clusters 4. Nodes should be draggable 5. Hover should highlight neighbors 6. Zoom/pan functionality 7. Define sample nodes and links inline 8. Everything in one self-contained index.html file with CSS in <style> and JS in <script> 9. No external resources, CDNs, or network requests 10. Must end with index.html present in the current directory First, I should check if d3.min.js is available in the current directory.
{"path":"/workspace"}EISDIR: illegal operation on a directory, read
thinking
Let me read the current directory to see what's available.
{"command":"ls -la"}total 324 drwxrwxrwx 3 node node 96 Jul 22 17:25 . drwxr-xr-x 1 root root 4096 Jul 22 17:25 .. -rw-r--r-- 1 node node 279706 Jul 22 17:25 d3.min.js
thinking
I see the file. I have d3.min.js in the workspace. The user wants a single file named index.html that contains: - All the code in one self-contained file - CSS in <style> tag - JS in <script> tag - No external resources, CDNs or network requests - Use the existing d3.min.js file I need to create index.html with: 1. A force-directed graph with about 40 nodes in several clusters 2. Draggable nodes 3. Hover highlighting of neighbors 4. Zoom/pan functionality 5. Define nodes and links inline (not external data) I don't need to read the d3.min.js file since I shouldn't edit it - I should just reference it using <script src="d3.min.js"></script>. Let me create the index.html file with all the necessary code.
/workspace/index.html (16994 bytes)Successfully wrote 16994 bytes to /workspace/index.html
thinking
Let me review what I've created. I've written a complete HTML file with: 1. A force-directed graph visualization using D3.js (loaded from the local d3.min.js file) 2. About 40 nodes in several clusters (Tech, Social, Entertainment, Gaming, E-commerce, Financial, Travel, Transport, Auto, Software, Networking, CRM, Creative, Beverages, Hospitality) 3. Links between related nodes within and between clusters 4. Draggable nodes with force simulation 5. Hover highlighting of nodes and their neighbors 6. Zoom/pan functionality 7. Control buttons to restart, freeze, and randomize positions 8. Node labels that appear on hover 9. Color-coding by cluster 10. Responsive design that handles window resize The code follows all the requirements: - Single self-contained HTML file - Uses local d3.min.js without external resources - Interactive force-directed graph with ~40 nodes - Draggable nodes - Hover highlighting of neighbors - Zoom/pan functionality - Nodes and links defined inline The file is written to /workspace/index.html as requested. Let me open it to verify it looks correct.
{"path":"/workspace/index.html"}<!DOCTYPE html> <html> <head> <title>Interactive Force-Directed Graph</title> <style> body { margin: 0; padding: 0; font-family: Arial, sans-serif; } #graph { width: 100vw; height: 100vh; } .node { cursor: pointer; stroke: #fff; stroke-width: 2px; } .node:hover { stroke-width: 4px; stroke: #666; } .node.highlight { stroke: #ff6b6b; stroke-width: 4px; } .link { stroke: #999; stroke-opacity: 0.6; stroke-width: 1px; } .link.highlight { stroke: #ff6b6b; stroke-width: 2.5px; stroke-opacity: 0.9; } .node-label { font-size: 10px; fill: #555; pointer-events: none; opacity: 0.8; } .node-label.highlight { fill: #d63031; font-weight: bold; opacity: 1; } .controls { position: absolute; top: 10px; left: 10px; background: white; padding: 10px; border-radius: 5px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); z-index: 100; } .controls button { margin: 2px; padding: 5px 10px; border: 1px solid #ddd; background: #f8f9fa; cursor: pointer; border-radius: 3px; } .controls button:hover { background: #e9ecef; } </style> </head> <body> <script src="d3.min.js"></script> <script> // Define sample nodes and links inline const nodes = [ // Cluster 1: Technology companies {id: 0, name: "Google", cluster: "Tech", x: 100, y: 100}, {id: 1, name: "Microsoft", cluster: "Tech", x: 150, y: 120}, {id: 2, name: "Apple", cluster: "Tech", x: 200, y: 100}, {id: 3, name: "Amazon", cluster: "Tech", x: 250, y: 120}, {id: 4, name: "Meta", cluster: "Tech", x: 300, y: 100}, {id: 5, name: "Netflix", cluster: "Tech", x: 350, y: 120}, // Cluster 2: Social media {id: 6, name: "Twitter", cluster: "Social", x: 100, y: 250}, {id: 7, name: "Instagram", cluster: "Social", x: 150, y: 280}, {id: 8, name: "TikTok", cluster: "Social", x: 200, y: 250}, {id: 9, name: "Snapchat", cluster: "Social", x: 250, y: 280}, {id: 10, name: "LinkedIn", cluster: "Social", x: 300, y: 250}, // Cluster 3: Entertainment {id: 11, name: "Disney", cluster: "Entertainment", x: 450, y: 100}, {id: 12, name: "Netflix", cluster: "Entertainment", x: 500, y: 120}, {id: 13, name: "Spotify", cluster: "Entertainment", x: 550, y: 100}, {id: 14, name: "YouTube", cluster: "Entertainment", x: 600, y: 120}, // Cluster 4: Gaming {id: 15, name: "EA", cluster: "Gaming", x: 100, y: 400}, {id: 16, name: "Activision", cluster: "Gaming", x: 150, y: 430}, {id: 17, name: "Nintendo", cluster: "Gaming", x: 200, y: 400}, {id: 18, name: "Sony", cluster: "Gaming", x: 250, y: 430}, {id: 19, name: "Valve", cluster: "Gaming", x: 300, y: 400}, // Cluster 5: E-commerce {id: 20, name: "eBay", cluster: "E-commerce", x: 450, y: 250}, {id: 21, name: "Alibaba", cluster: "E-commerce", x: 500, y: 280}, {id: 22, name: " Shopify", cluster: "E-commerce", x: 550, y: 250}, {id: 23, name: "Walmart", cluster: "E-commerce", x: 600, y: 280}, // Cluster 6: Financial {id: 24, name: "PayPal", cluster: "Financial", x: 100, y: 550}, {id: 25, name: "Stripe", cluster: "Financial", x: 150, y: 580}, {id: 26, name: "Square", cluster: "Financial", x: 200, y: 550}, {id: 27, name: "Robinhood", cluster: "Financial", x: 250, y: 580}, // Additional nodes for variety {id: 28, name: "Airbnb", cluster: "Travel", x: 450, y: 550}, {id: 29, name: "Uber", cluster: "Transport", x: 500, y: 580}, {id: 30, name: "Tesla", cluster: "Auto", x: 550, y: 550}, {id: 31, name: "Intel", cluster: "Tech", x: 350, y: 80}, {id: 32, name: "IBM", cluster: "Tech", x: 400, y: 110}, {id: 33, name: "Adobe", cluster: "Software", x: 650, y: 120}, {id: 34, name: "Oracle", cluster: "Tech", x: 700, y: 100}, {id: 35, name: "Cisco", cluster: "Networking", x: 650, y: 180}, {id: 36, name: "Salesforce", cluster: "CRM", x: 750, y: 120}, {id: 37, name: "Adobe", cluster: "Creative", x: 550, y: 300}, {id: 38, name: "PepsiCo", cluster: "Beverages", x: 800, y: 280}, {id: 39, name: "Marriott", cluster: "Hospitality", x: 750, y: 350} ]; const links = [ // Tech cluster connections {source: 0, target: 1}, {source: 0, target: 2}, {source: 0, target: 3}, {source: 0, target: 4}, {source: 0, target: 5}, {source: 1, target: 3}, {source: 1, target: 4}, {source: 2, target: 4}, {source: 3, target: 5}, // Social cluster connections {source: 6, target: 7}, {source: 6, target: 8}, {source: 6, target: 9}, {source: 6, target: 10}, {source: 7, target: 9}, {source: 7, target: 10}, {source: 8, target: 10}, {source: 9, target: 10}, // Entertainment cluster connections {source: 11, target: 12}, {source: 11, target: 13}, {source: 11, target: 14}, {source: 12, target: 14}, {source: 13, target: 14}, // Gaming cluster connections {source: 15, target: 16}, {source: 15, target: 17}, {source: 15, target: 18}, {source: 15, target: 19}, {source: 16, target: 18}, {source: 16, target: 19}, {source: 17, target: 19}, {source: 18, target: 19}, // E-commerce cluster connections {source: 20, target: 21}, {source: 20, target: 22}, {source: 20, target: 23}, {source: 21, target: 23}, {source: 22, target: 23}, // Financial cluster connections {source: 24, target: 25}, {source: 24, target: 26}, {source: 24, target: 27}, {source: 25, target: 27}, {source: 26, target: 27}, // Cross-cluster relationships {source: 0, target: 6}, {source: 1, target: 7}, {source: 2, target: 8}, {source: 3, target: 9}, {source: 4, target: 10}, {source: 11, target: 6}, {source: 12, target: 7}, {source: 13, target: 8}, {source: 14, target: 9}, {source: 15, target: 20}, {source: 16, target: 21}, {source: 17, target: 22}, {source: 18, target: 23}, {source: 24, target: 11}, {source: 25, target: 12}, {source: 26, target: 13}, {source: 27, target: 14}, {source: 28, target: 6}, {source: 29, target: 15}, {source: 30, target: 20}, {source: 31, target: 0}, {source: 32, target: 1}, {source: 33, target: 11}, {source: 34, target: 20}, {source: 35, target: 6}, {source: 36, target: 24}, {source: 37, target: 12}, {source: 38, target: 24}, {source: 39, target: 30} ]; // Create SVG const width = window.innerWidth; const height = window.innerHeight; const svg = d3.select('body') .append('svg') .attr('width', width) .attr('height', height) .attr('viewBox', [-width/2, -height/2, width, height]); // Add zoom and pan behavior const zoom = d3.zoom() .scaleExtent([0.1, 4]) .on('zoom', (event) => { g.attr('transform', event.transform); }); svg.call(zoom); // Group for graph elements const g = svg.append('g'); // Initialize force simulation const simulation = d3.forceSimulation(nodes) .force('link', d3.forceLink(links) .id(d => d.id) .distance(80) .strength(0.8)) .force('charge', d3.forceManyBody() .strength(-150) .distanceMax(200)) .force('center', d3.forceCenter(0, 0).radius(300)) .force('cluster', d3.forceCluster() .strength(0.2) .radius(100)); // Create links const link = g.append('g') .attr('class', 'links') .selectAll('line') .data(links) .enter() .append('line') .attr('class', 'link'); // Create node groups const node = g.append('g') .attr('class', 'nodes') .selectAll('.node-group') .data(nodes) .enter() .append('g') .attr('class', 'node-group'); // Add circles to nodes node.append('circle') .attr('class', 'node') .attr('r', 8) .attr('fill', d => { const colors = { 'Tech': '#3498db', 'Social': '#e74c3c', 'Entertainment': '#9b59b6', 'Gaming': '#f39c12', 'E-commerce': '#1abc9c', 'Financial': '#2ecc71', 'Travel': '#34495e', 'Transport': '#16a085', 'Auto': '#27ae60', 'Software': '#e67e22', 'Networking': '#2980b9', 'CRM': '#8e44ad', 'Creative': '#e91e63', 'Beverages': '#d35400', 'Hospitality': '#f1c40f' }; return colors[d.cluster] || '#95a5a6'; }); // Add labels to nodes node.append('text') .attr('class', 'node-label') .attr('text-anchor', 'middle') .attr('dy', '-1.2em') .text(d => d.name) .style('opacity', 0); // Initially hidden // Node drag behavior const drag = d3.drag() .on('start', (event, d) => { if (!event.active) simulation.alphaTarget(0.3).restart(); d.fx = d.x; d.fy = d.y; }) .on('drag', (event, d) => { d.fx = event.x; d.fy = event.y; }) .on('end', (event, d) => { if (!event.active) simulation.alphaTarget(0); d.fx = null; d.fy = null; }); node.call(drag); // Add hover interactions node.on('mouseover', (event, d) => { // Highlight the node d3.select(event.currentTarget).select('.node') .classed('highlight', true); // Highlight node label d3.select(event.currentTarget).select('.node-label') .classed('highlight', true) .transition() .duration(200) .style('opacity', 1); // Highlight connected links and nodes const connectedNodeIds = new Set(); links.forEach(link => { if (link.source.id === d.id || link.target.id === d.id) { const connectedNode = link.source.id === d.id ? link.target : link.source; connectedNodeIds.add(connectedNode.id); // Highlight link const linkSelection = link === link.source.id === d.id ? d3.selectAll('.link').filter(l => l.source.id === d.id || l.target.id === d.id) : d3.selectAll('.link').filter(l => l.source.id === d.id || l.target.id === d.id); linkSelection .classed('highlight', true) .transition() .duration(200) .attr('stroke-width', 2.5); // Highlight connected nodes const connectedNodeElement = d3.selectAll('.node-group').filter(n => n.id === connectedNode.id); connectedNodeElement.select('.node') .classed('highlight', true) .transition() .duration(200) .attr('r', 12); connectedNodeElement.select('.node-label') .classed('highlight', true) .transition() .duration(200) .style('opacity', 1) .attr('font-size', '12px'); } }); // Store the original radius for restore d.originalRadius = 8; }) .on('mouseout', (event, d) => { // Restore original state d3.select(event.currentTarget).select('.node') .classed('highlight', false) .transition() .duration(200) .attr('r', d.originalRadius || 8); // Hide node label and restore original style d3.select(event.currentTarget).select('.node-label') .classed('highlight', false) .transition() .duration(200) .style('opacity', 0) .attr('font-size', '10px'); // Restore all links and nodes d3.selectAll('.link') .classed('highlight', false) .transition() .duration(200) .attr('stroke-width', '1px'); d3.selectAll('.node-group') .select('.node') .classed('highlight', false) .transition() .duration(200) .attr('r', 8); d3.selectAll('.node-group') .select('.node-label') .classed('highlight', false); }); // Simulation tick event simulation.on('tick', () => { // Update link positions 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); // Update node positions node .attr('transform', d => `translate(${d.x}, ${d.y})`); }); // Control buttons const controls = svg.append('foreignObject') .attr('width', 200) .attr('height', 80) .attr('x', width/2 - 100) .attr('y', height/2 - 40) .append('xhtml:div') .attr('class', 'controls') .html(`<button onclick="restartSimulation()">Restart</button> <button onclick="freezeSimulation()">Freeze</button> <button onclick="randomizePositions()">Randomize</button>`); // Control functions function restartSimulation() { simulation.restart(); } function freezeSimulation() { simulation.stop(); node.call(d3.drag().on('start', null).on('drag', null).on('end', null)); } function randomizePositions() { simulation.stop(); nodes.forEach(d => { d.fx = null; d.fy = null; d.x = Math.random() * width - width/2; d.y = Math.random() * height - height/2; }); simulation.restart(); } // Handle window resize window.addEventListener('resize', () => { width = window.innerWidth; height = window.innerHeight; svg.attr('width', width).attr('height', height) .attr('viewBox', [-width/2, -height/2, width, height]); }); // Add title svg.append('text') .attr('x', 0) .attr('y', -height/2 + 20) .attr('text-anchor', 'middle') .attr('fill', '#333') .attr('font-size', '24px') .attr('font-weight', 'bold') .text('Interactive Force-Directed Graph'); svg.append('text') .attr('x', 0) .attr('y', -height/2 + 50) .attr('text-anchor', 'middle') .attr('fill', '#666') .attr('font-size', '14px') .text('Hover over nodes to see connections • Drag to reposition • Zoom and pan with mouse'); </script> </body> </html>
thinking
The user wants me to create an interactive force-directed graph using the pre-provided d3.min.js (global d3). Looking at the requirements: 1. About 40 nodes in several clusters - the nodes array I created has 40 nodes 2. Draggable nodes - I have drag behavior implemented 3. Hover highlighting of neighbors - I have mouseover/mouseout handlers 4. Zoom/pan - I have zoom behavior implemented 5. Define sample nodes and links inline - done 6. One self-contained HTML file - I created index.html Let me check if there are any issues: - The nodes and links look well-defined and create distinct clusters - The colors are defined for each cluster - There are control buttons - Zoom/pan is working - Drag behavior is implemented - Hover highlighting works However, I notice a potential issue: the d3.forceCluster() force may not be available in the standard D3.js library. Let me check what forces are available in d3.min.js. Actually, forceCluster is a plugin that needs to be included separately. Since we're only using the provided d3.min.js, I should use the standard forces. Let me fix this by using standard forces instead of forceCluster.
{"path":"/workspace/index.html","edits":[{"oldText":"// Initialize force simulation\n const simulation = d3.forceSimulation(nodes)\n 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
Blank white page throughout; JS error (forceCenter().radius is not a function) prevented any graph from rendering.
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.
- d3.forceCenter(...).radius is not a function