Created
December 13, 2011 21:33
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<html> | |
<head> | |
<meta http-equiv="Content-type" content="text/html; charset=utf-8"> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.js"></script> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.geom.js"></script> | |
<script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js"></script> | |
</head> | |
<body> | |
<script type="text/javascript"> | |
var height = window.innerHeight; | |
var width = window.innerWidth; | |
var nodes = ["Germany", "Netherlands", "Denmark", "Poland"]; | |
var links = [ | |
{"source": "Germany", "target": "Denmark"}, | |
{"source": "Netherlands", "target": "Denmark"}, | |
{"source": "Poland", "target": "Germany"}, | |
{"source": "Germany", "target": "Poland"} | |
]; | |
var canvas = d3.select("body").append("svg:svg") | |
.attr("width", width) | |
.attr("height", height); | |
var force = d3.layout.force() | |
.nodes(nodes) | |
.links(links) | |
.size([width, height]) | |
.charge(-120) | |
.linkDistance(30) | |
.start(); | |
var node = canvas.selectAll("circle") | |
.data(nodes) | |
.enter().append("circle") | |
.attr("class", "node") | |
.attr("cx", function(d) { return d.x; }) | |
.attr("cy", function(d) { return d.y; }) | |
.attr("r", 10) | |
.style("fill", "#800000"); | |
var link = canvas.selectAll("line") | |
.data(links) | |
.enter().append("line") | |
.attr("class", "link") | |
.style("stroke-width", 2) | |
.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; }); | |
force.on("tick", function() { | |
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> | |
</body> | |
</html> |
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