toolkit/javascript/d3/examples/marker/marker.html
author Nicolas Sauret <nicolas.sauret@iri.centrepompidou.fr>
Thu, 10 Apr 2014 14:20:23 +0200
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add toolkit.html + démonstrateurs
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<!DOCTYPE html>
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<html>
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  <head>
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    <meta http-equiv="Content-type" content="text/html; charset=utf-8">
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    <title>Mobile Patent Suits</title>
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    <script type="text/javascript" src="../../d3.js"></script>
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    <script type="text/javascript" src="../../d3.geom.js"></script>
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    <script type="text/javascript" src="../../d3.layout.js"></script>
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    <style type="text/css">
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path.link {
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  fill: none;
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  stroke: #666;
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  stroke-width: 1.5px;
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}
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marker#licensing {
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  fill: green;
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}
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path.link.licensing {
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  stroke: green;
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}
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path.link.resolved {
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  stroke-dasharray: 0,2 1;
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}
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circle {
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  fill: #ccc;
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  stroke: #333;
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  stroke-width: 1.5px;
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}
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text {
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  font: 10px sans-serif;
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  pointer-events: none;
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}
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text.shadow {
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  stroke: #fff;
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  stroke-width: 3px;
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  stroke-opacity: .8;
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}
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    </style>
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  </head>
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  <body>
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    <script type="text/javascript">
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// http://blog.thomsonreuters.com/index.php/mobile-patent-suits-graphic-of-the-day/
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var links = [
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  {source: "Microsoft", target: "Amazon", type: "licensing"},
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  {source: "Microsoft", target: "HTC", type: "licensing"},
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  {source: "Samsung", target: "Apple", type: "suit"},
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  {source: "Motorola", target: "Apple", type: "suit"},
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  {source: "Nokia", target: "Apple", type: "resolved"},
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  {source: "HTC", target: "Apple", type: "suit"},
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  {source: "Kodak", target: "Apple", type: "suit"},
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  {source: "Microsoft", target: "Barnes & Noble", type: "suit"},
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  {source: "Microsoft", target: "Foxconn", type: "suit"},
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  {source: "Oracle", target: "Google", type: "suit"},
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  {source: "Apple", target: "HTC", type: "suit"},
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  {source: "Microsoft", target: "Inventec", type: "suit"},
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  {source: "Samsung", target: "Kodak", type: "resolved"},
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  {source: "LG", target: "Kodak", type: "resolved"},
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  {source: "RIM", target: "Kodak", type: "suit"},
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  {source: "Sony", target: "LG", type: "suit"},
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  {source: "Kodak", target: "LG", type: "resolved"},
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  {source: "Apple", target: "Nokia", type: "resolved"},
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  {source: "Qualcomm", target: "Nokia", type: "resolved"},
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  {source: "Apple", target: "Motorola", type: "suit"},
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  {source: "Microsoft", target: "Motorola", type: "suit"},
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  {source: "Motorola", target: "Microsoft", type: "suit"},
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  {source: "Huawei", target: "ZTE", type: "suit"},
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  {source: "Ericsson", target: "ZTE", type: "suit"},
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  {source: "Kodak", target: "Samsung", type: "resolved"},
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  {source: "Apple", target: "Samsung", type: "suit"},
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  {source: "Kodak", target: "RIM", type: "suit"},
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  {source: "Nokia", target: "Qualcomm", type: "suit"}
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];
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var nodes = {};
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// Compute the distinct nodes from the links.
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links.forEach(function(link) {
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  link.source = nodes[link.source] || (nodes[link.source] = {name: link.source});
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  link.target = nodes[link.target] || (nodes[link.target] = {name: link.target});
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});
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var w = 960,
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    h = 500;
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var force = d3.layout.force()
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    .nodes(d3.values(nodes))
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    .links(links)
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    .size([w, h])
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    .linkDistance(60)
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    .charge(-300)
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    .on("tick", tick)
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    .start();
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var svg = d3.select("body").append("svg:svg")
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    .attr("width", w)
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    .attr("height", h);
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// Per-type markers, as they don't inherit styles.
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svg.append("svg:defs").selectAll("marker")
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    .data(["suit", "licensing", "resolved"])
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  .enter().append("svg:marker")
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    .attr("id", String)
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    .attr("viewBox", "0 -5 10 10")
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    .attr("refX", 15)
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    .attr("refY", -1.5)
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    .attr("markerWidth", 6)
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    .attr("markerHeight", 6)
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    .attr("orient", "auto")
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  .append("svg:path")
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    .attr("d", "M0,-5L10,0L0,5");
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var path = svg.append("svg:g").selectAll("path")
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    .data(force.links())
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  .enter().append("svg:path")
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    .attr("class", function(d) { return "link " + d.type; })
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    .attr("marker-end", function(d) { return "url(#" + d.type + ")"; });
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var circle = svg.append("svg:g").selectAll("circle")
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    .data(force.nodes())
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  .enter().append("svg:circle")
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    .attr("r", 6)
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    .call(force.drag);
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var text = svg.append("svg:g").selectAll("g")
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    .data(force.nodes())
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  .enter().append("svg:g");
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// A copy of the text with a thick white stroke for legibility.
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text.append("svg:text")
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    .attr("x", 8)
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    .attr("y", ".31em")
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    .attr("class", "shadow")
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    .text(function(d) { return d.name; });
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text.append("svg:text")
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    .attr("x", 8)
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    .attr("y", ".31em")
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    .text(function(d) { return d.name; });
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// Use elliptical arc path segments to doubly-encode directionality.
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function tick() {
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  path.attr("d", function(d) {
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    var dx = d.target.x - d.source.x,
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        dy = d.target.y - d.source.y,
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        dr = Math.sqrt(dx * dx + dy * dy);
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    return "M" + d.source.x + "," + d.source.y + "A" + dr + "," + dr + " 0 0,1 " + d.target.x + "," + d.target.y;
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  });
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  circle.attr("transform", function(d) {
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    return "translate(" + d.x + "," + d.y + ")";
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  });
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  text.attr("transform", function(d) {
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    return "translate(" + d.x + "," + d.y + ")";
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  });
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}
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    </script>
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  </body>
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</html>