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Force-Directed Graph with Mouseover
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
| <style> | |
| .link { | |
| fill: none; | |
| stroke: #666; | |
| stroke-width: 1.5px; | |
| } | |
| .node circle { | |
| fill: #ccc; | |
| stroke: #fff; | |
| stroke-width: 1.5px; | |
| } | |
| text { | |
| font: 10px sans-serif; | |
| pointer-events: none; | |
| } | |
| </style> | |
| <body> | |
| <script> | |
| // http://blog.thomsonreuters.com/index.php/mobile-patent-suits-graphic-of-the-day/ | |
| var links = [ | |
| {source: "Microsoft", target: "Amazon", type: "licensing"}, | |
| {source: "Microsoft", target: "HTC", type: "licensing"}, | |
| {source: "Samsung", target: "Apple", type: "suit"}, | |
| {source: "Motorola", target: "Apple", type: "suit"}, | |
| {source: "Nokia", target: "Apple", type: "resolved"}, | |
| {source: "HTC", target: "Apple", type: "suit"}, | |
| {source: "Kodak", target: "Apple", type: "suit"}, | |
| {source: "Microsoft", target: "Barnes & Noble", type: "suit"}, | |
| {source: "Microsoft", target: "Foxconn", type: "suit"}, | |
| {source: "Oracle", target: "Google", type: "suit"}, | |
| {source: "Apple", target: "HTC", type: "suit"}, | |
| {source: "Microsoft", target: "Inventec", type: "suit"}, | |
| {source: "Samsung", target: "Kodak", type: "resolved"}, | |
| {source: "LG", target: "Kodak", type: "resolved"}, | |
| {source: "RIM", target: "Kodak", type: "suit"}, | |
| {source: "Sony", target: "LG", type: "suit"}, | |
| {source: "Kodak", target: "LG", type: "resolved"}, | |
| {source: "Apple", target: "Nokia", type: "resolved"}, | |
| {source: "Qualcomm", target: "Nokia", type: "resolved"}, | |
| {source: "Apple", target: "Motorola", type: "suit"}, | |
| {source: "Microsoft", target: "Motorola", type: "suit"}, | |
| {source: "Motorola", target: "Microsoft", type: "suit"}, | |
| {source: "Huawei", target: "ZTE", type: "suit"}, | |
| {source: "Ericsson", target: "ZTE", type: "suit"}, | |
| {source: "Kodak", target: "Samsung", type: "resolved"}, | |
| {source: "Apple", target: "Samsung", type: "suit"}, | |
| {source: "Kodak", target: "RIM", type: "suit"}, | |
| {source: "Nokia", target: "Qualcomm", type: "suit"} | |
| ]; | |
| var nodes = {}; | |
| // Compute the distinct nodes from the links. | |
| links.forEach(function(link) { | |
| link.source = nodes[link.source] || (nodes[link.source] = {name: link.source}); | |
| link.target = nodes[link.target] || (nodes[link.target] = {name: link.target}); | |
| }); | |
| var width = 960, | |
| height = 500; | |
| var force = d3.layout.force() | |
| .nodes(d3.values(nodes)) | |
| .links(links) | |
| .size([width, height]) | |
| .linkDistance(60) | |
| .charge(-300) | |
| .on("tick", tick) | |
| .start(); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var link = svg.selectAll(".link") | |
| .data(force.links()) | |
| .enter().append("line") | |
| .attr("class", "link"); | |
| var node = svg.selectAll(".node") | |
| .data(force.nodes()) | |
| .enter().append("g") | |
| .attr("class", "node") | |
| .on("mouseover", mouseover) | |
| .on("mouseout", mouseout) | |
| .call(force.drag); | |
| node.append("circle") | |
| .attr("r", 8); | |
| node.append("text") | |
| .attr("x", 12) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d.name; }); | |
| 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("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }); | |
| } | |
| function mouseover() { | |
| d3.select(this).select("circle").transition() | |
| .duration(750) | |
| .attr("r", 16); | |
| } | |
| function mouseout() { | |
| d3.select(this).select("circle").transition() | |
| .duration(750) | |
| .attr("r", 8); | |
| } | |
| </script> |
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