Created
October 30, 2017 13:11
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A Simple d3 Network Graph
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="http://d3js.org/d3.v2.min.js?2.9.3"></script> | |
| <style> | |
| .link { | |
| stroke: #aaa; | |
| } | |
| .node text { | |
| stroke:#333; | |
| cursos:pointer; | |
| } | |
| .node circle{ | |
| stroke:#fff; | |
| stroke-width:3px; | |
| fill:#555; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| /** | |
| * Combines HTML and external JSON file from this example http://bl.ocks.org/jose187/4733747 | |
| */ | |
| var json = { | |
| "nodes":[ | |
| {"name":"node1","group":1}, | |
| {"name":"node2","group":2}, | |
| {"name":"node3","group":2}, | |
| {"name":"node4","group":3} | |
| ], | |
| "links":[ | |
| {"source":1,"target":0,"weight":1}, | |
| {"source":2,"target":0,"weight":1}, | |
| {"source":3,"target":0,"weight":1} | |
| ] | |
| } | |
| var width = 1000, | |
| height = 1000 | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var force = d3.layout.force() | |
| .gravity(.05) | |
| .distance(200) | |
| .charge(-100) | |
| .size([width, height]); | |
| force | |
| .nodes(json.nodes) | |
| .links(json.links) | |
| .start(); | |
| var link = svg.selectAll(".link") | |
| .data(json.links) | |
| .enter().append("line") | |
| .attr("class", "link") | |
| .style("stroke-width", function(d) { return Math.sqrt(d.weight); }); | |
| var node = svg.selectAll(".node") | |
| .data(json.nodes) | |
| .enter().append("g") | |
| .attr("class", "node") | |
| .call(force.drag); | |
| node.append("circle") | |
| .attr("r","10"); | |
| node.append("text") | |
| .attr("dx", 12) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.name }); | |
| force.on("tick", function() { | |
| 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("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }); | |
| }); | |
| </script> | |
| </body> | |
| </html> | |
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