Network graph with node labels
started with this example
forked from EfratVil's block: V4 simple network graph
forked from Restuta's block: V4 simple network graph
Last active
May 13, 2017 16:43
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V4 simple network graph
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| license: mit |
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| { | |
| "nodes": [ | |
| {"id": "1", "group": 1}, | |
| {"id": "2", "group": 2}, | |
| {"id": "4", "group": 3}, | |
| {"id": "8", "group": 4}, | |
| {"id": "16", "group": 5}, | |
| {"id": "11", "group": 1}, | |
| {"id": "12", "group": 2}, | |
| {"id": "14", "group": 3}, | |
| {"id": "18", "group": 4}, | |
| {"id": "116", "group": 5} | |
| ], | |
| "links": [ | |
| {"source": "1", "target": "2", "value": 1}, | |
| {"source": "2", "target": "4", "value": 1}, | |
| {"source": "4", "target": "8", "value": 1}, | |
| {"source": "4", "target": "8", "value": 1}, | |
| {"source": "8", "target": "16", "value": 1}, | |
| {"source": "16", "target": "1", "value": 1} | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body {font-family: "Inconsolata";} | |
| </style> | |
| <svg width="960" height="600"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <link href="https://fonts.googleapis.com/css?family=Inconsolata" rel="stylesheet"> | |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.css" integrity="sha384-wITovz90syo1dJWVh32uuETPVEtGigN07tkttEqPv+uR2SE/mbQcG7ATL28aI9H0" crossorigin="anonymous"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/katex.min.js" integrity="sha384-/y1Nn9+QQAipbNQWU65krzJralCnuOasHncUFXGkdwntGeSvQicrYkiUBwsgUqc1" crossorigin="anonymous"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.7.1/contrib/auto-render.min.js" integrity="sha384-dq1/gEHSxPZQ7DdrM82ID4YVol9BYyU7GbWlIwnwyPzotpoc57wDw/guX8EaYGPx" crossorigin="anonymous"></script> | |
| <script> | |
| var svg = d3.select("svg"), | |
| width = +svg.attr("width"), | |
| height = +svg.attr("height"); | |
| var simulation = d3.forceSimulation() | |
| .force("link", d3.forceLink().id(function(d) { return d.id; })) | |
| //.force("charge", d3.forceManyBody().strength(-200)) | |
| .force('charge', d3.forceManyBody() | |
| .strength(-200) | |
| .theta(0.8) | |
| .distanceMax(150) | |
| ) | |
| // .force('collide', d3.forceCollide() | |
| // .radius(d => 40) | |
| // .iterations(2) | |
| // ) | |
| .force("center", d3.forceCenter(width / 2, height / 2)); | |
| const graph = { | |
| "nodes": [ | |
| {"id": "1", "group": 1}, | |
| {"id": "2", "group": 2}, | |
| {"id": "4", "group": 3}, | |
| {"id": "8", "group": 4}, | |
| {"id": "16", "group": 5}, | |
| {"id": "11", "group": 1}, | |
| {"id": "12", "group": 2}, | |
| {"id": "14", "group": 3}, | |
| {"id": "18", "group": 4}, | |
| {"id": "116", "group": 5} | |
| ], | |
| "links": [ | |
| {"source": "1", "target": "2", "value": 1}, | |
| {"source": "2", "target": "4", "value": 1}, | |
| {"source": "4", "target": "8", "value": 1}, | |
| {"source": "4", "target": "8", "value": 1}, | |
| {"source": "8", "target": "16", "value": 1}, | |
| {"source": "16", "target": "1", "value": 1} | |
| ] | |
| } | |
| function run(graph) { | |
| graph.links.forEach(function(d){ | |
| // d.source = d.source_id; | |
| // d.target = d.target_id; | |
| }); | |
| var link = svg.append("g") | |
| .style("stroke", "#aaa") | |
| .selectAll("line") | |
| .data(graph.links) | |
| .enter().append("line"); | |
| var node = svg.append("g") | |
| .attr("class", "nodes") | |
| .selectAll("circle") | |
| .data(graph.nodes) | |
| .enter().append("circle") | |
| .attr("r", 2) | |
| .call(d3.drag() | |
| .on("start", dragstarted) | |
| .on("drag", dragged) | |
| .on("end", dragended)); | |
| var label = svg.append("g") | |
| .attr("class", "labels") | |
| .selectAll("text") | |
| .data(graph.nodes) | |
| .enter().append("text") | |
| .attr("class", "label") | |
| .text(function(d) { return 'this is a test'; }); //d.id; }); | |
| simulation | |
| .nodes(graph.nodes) | |
| .on("tick", ticked); | |
| simulation.force("link") | |
| .links(graph.links); | |
| function ticked() { | |
| link | |
| .attr("x1", function(d) { return d.source.x; }) | |
| .attr("y1", function(d) { return d.source.y; }) | |
| .attr("x2", function(d) { return d.target.x; }) | |
| .attr("y2", function(d) { return d.target.y; }); | |
| node | |
| .attr("r", 16) | |
| .style("fill", "#efefef") | |
| .style("stroke", "#424242") | |
| .style("stroke-width", "1px") | |
| .attr("cx", function (d) { return d.x+5; }) | |
| .attr("cy", function(d) { return d.y-3; }); | |
| label | |
| .attr("x", function(d) { return d.x; }) | |
| .attr("y", function (d) { return d.y; }) | |
| .style("font-size", "10px").style("fill", "#333"); | |
| } | |
| } | |
| function dragstarted(d) { | |
| if (!d3.event.active) simulation.alphaTarget(0.3).restart() | |
| d.fx = d.x | |
| d.fy = d.y | |
| simulation.fix(d); | |
| } | |
| function dragged(d) { | |
| d.fx = d3.event.x | |
| d.fy = d3.event.y | |
| simulation.fix(d, d3.event.x, d3.event.y); | |
| } | |
| function dragended(d) { | |
| d.fx = d3.event.x | |
| d.fy = d3.event.y | |
| if (!d3.event.active) simulation.alphaTarget(0); | |
| simulation.unfix(d); | |
| } | |
| run(graph) | |
| </script> |
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