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Created Aug 27, 2011

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Mobile Patent Suits

Click to drag nodes. Dashed links are resolved suits; green links are licensing.

Thomson Reuters published a rather abysmal infographic showing the "bowl of spaghetti" that is current flurry of patent-related suits in the mobile communications industry. So, inspired by a comment by John Firebaugh, I remade the visualization to better convey the network. That company in the center? Yeah, it's the world's largest, so little wonder it has the most incoming suits.

Implemented in D3.js.

<!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="http://mbostock.github.com/d3/d3.js?1.29.1"></script>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.geom.js?1.29.1"></script>
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js?1.29.1"></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: "you", target: "node a", type: "suit"},
{source: "node a", target: "node b", type: "licensing"},
{source: "node b", target: "node a", type: "licensing"},
{source: "node b", target: "129.59.1.10", type: "suit"},
{source: "node b", target: "235.1.23.84", type: "suit"},
{source: "node b", target: "111.83.44.63", type: "suit"},
{source: "129.59.1.10", target: "my page", type: "resolved"},
];
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(160)
.charge(-800)
.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>
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