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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 = [{"name": "Germany"}, {"name": "Netherlands"}, {"name": "Denmark"}, {"name": "Poland"}]; | |
| var links = [ | |
| {"source": 0, "target": 1, "value": 2}, | |
| {"source": 1, "target": 2, "value": 3}, | |
| {"source": 2, "target": 3, "value": 1}, | |
| {"source": 0, "target": 2, "value": 2} | |
| ]; | |
| canvas = d3.select("body").append("svg:svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| force = d3.layout.force() | |
| .nodes(nodes) | |
| .links(links) | |
| .size([width, height]) | |
| .charge(-120) | |
| .linkDistance(30) | |
| .start(); | |
| 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"); | |
| link = canvas.selectAll("line") | |
| .data(links) | |
| .enter().append("line") | |
| .attr("class", "link") | |
| .style("stroke-width", function(d) { return d.value; }) | |
| .style("stroke", "green") | |
| .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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