toolkit/javascript/d3/examples/marker/marker.html
changeset 47 c0b4a8b5a012
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/examples/marker/marker.html	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,169 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="Content-type" content="text/html; charset=utf-8">
+    <title>Mobile Patent Suits</title>
+    <script type="text/javascript" src="../../d3.js"></script>
+    <script type="text/javascript" src="../../d3.geom.js"></script>
+    <script type="text/javascript" src="../../d3.layout.js"></script>
+    <style type="text/css">
+
+path.link {
+  fill: none;
+  stroke: #666;
+  stroke-width: 1.5px;
+}
+
+marker#licensing {
+  fill: green;
+}
+
+path.link.licensing {
+  stroke: green;
+}
+
+path.link.resolved {
+  stroke-dasharray: 0,2 1;
+}
+
+circle {
+  fill: #ccc;
+  stroke: #333;
+  stroke-width: 1.5px;
+}
+
+text {
+  font: 10px sans-serif;
+  pointer-events: none;
+}
+
+text.shadow {
+  stroke: #fff;
+  stroke-width: 3px;
+  stroke-opacity: .8;
+}
+
+    </style>
+  </head>
+  <body>
+    <script type="text/javascript">
+
+// 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 w = 960,
+    h = 500;
+
+var force = d3.layout.force()
+    .nodes(d3.values(nodes))
+    .links(links)
+    .size([w, h])
+    .linkDistance(60)
+    .charge(-300)
+    .on("tick", tick)
+    .start();
+
+var svg = d3.select("body").append("svg:svg")
+    .attr("width", w)
+    .attr("height", h);
+
+// Per-type markers, as they don't inherit styles.
+svg.append("svg:defs").selectAll("marker")
+    .data(["suit", "licensing", "resolved"])
+  .enter().append("svg:marker")
+    .attr("id", String)
+    .attr("viewBox", "0 -5 10 10")
+    .attr("refX", 15)
+    .attr("refY", -1.5)
+    .attr("markerWidth", 6)
+    .attr("markerHeight", 6)
+    .attr("orient", "auto")
+  .append("svg:path")
+    .attr("d", "M0,-5L10,0L0,5");
+
+var path = svg.append("svg:g").selectAll("path")
+    .data(force.links())
+  .enter().append("svg:path")
+    .attr("class", function(d) { return "link " + d.type; })
+    .attr("marker-end", function(d) { return "url(#" + d.type + ")"; });
+
+var circle = svg.append("svg:g").selectAll("circle")
+    .data(force.nodes())
+  .enter().append("svg:circle")
+    .attr("r", 6)
+    .call(force.drag);
+
+var text = svg.append("svg:g").selectAll("g")
+    .data(force.nodes())
+  .enter().append("svg:g");
+
+// A copy of the text with a thick white stroke for legibility.
+text.append("svg:text")
+    .attr("x", 8)
+    .attr("y", ".31em")
+    .attr("class", "shadow")
+    .text(function(d) { return d.name; });
+
+text.append("svg:text")
+    .attr("x", 8)
+    .attr("y", ".31em")
+    .text(function(d) { return d.name; });
+
+// Use elliptical arc path segments to doubly-encode directionality.
+function tick() {
+  path.attr("d", function(d) {
+    var dx = d.target.x - d.source.x,
+        dy = d.target.y - d.source.y,
+        dr = Math.sqrt(dx * dx + dy * dy);
+    return "M" + d.source.x + "," + d.source.y + "A" + dr + "," + dr + " 0 0,1 " + d.target.x + "," + d.target.y;
+  });
+
+  circle.attr("transform", function(d) {
+    return "translate(" + d.x + "," + d.y + ")";
+  });
+
+  text.attr("transform", function(d) {
+    return "translate(" + d.x + "," + d.y + ")";
+  });
+}
+
+    </script>
+  </body>
+</html>