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Sticky Force Layout
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .link { | |
| stroke: #000; | |
| } | |
| .node { | |
| fill: #ccc; | |
| stroke: #000; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v2.min.js?2.10.1"></script> | |
| <script> | |
| var graph = { | |
| nodes: d3.range(13).map(Object), | |
| links: [ | |
| {source: 0, target: 1}, | |
| {source: 1, target: 2}, | |
| {source: 2, target: 0}, | |
| {source: 1, target: 3}, | |
| {source: 3, target: 2}, | |
| {source: 3, target: 4}, | |
| {source: 4, target: 5}, | |
| {source: 5, target: 6}, | |
| {source: 5, target: 7}, | |
| {source: 6, target: 7}, | |
| {source: 6, target: 8}, | |
| {source: 7, target: 8}, | |
| {source: 9, target: 4}, | |
| {source: 9, target: 11}, | |
| {source: 9, target: 10}, | |
| {source: 10, target: 11}, | |
| {source: 11, target: 12}, | |
| {source: 12, target: 10} | |
| ] | |
| }; | |
| var width = 960, | |
| height = 500; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("weight", height); | |
| var force = d3.layout.force() | |
| .nodes(graph.nodes) | |
| .links(graph.links) | |
| .size([width, height]) | |
| .charge(-200) | |
| .on("tick", tick) | |
| .start(); | |
| var link = svg.selectAll(".link") | |
| .data(graph.links) | |
| .enter().append("line") | |
| .attr("class", "link"); | |
| var node = svg.selectAll(".node") | |
| .data(graph.nodes) | |
| .enter().append("circle") | |
| .attr("class", "node") | |
| .attr("r", 4.5) | |
| .call(force.drag) | |
| .on("mousedown", function(d) { d.fixed = true; }); | |
| function tick() { | |
| 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("cx", function(d) { return d.x; }) | |
| .attr("cy", function(d) { return d.y; }); | |
| } | |
| </script> |
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How to add "marker" property to show the direction from source to target and "text" to give values on it?