%%javascript
beakerx.displayHTML(this, '<div id="fdg"></div>');
var graph = beakerx.graph;
var d3 = require(['d3'], function (d3) {
var width = 600,
height = 500;
var color = d3.scale.category20();
var force = d3.layout.force()
.charge(-200)
.linkDistance(30)
.size([width, height]);
var svg = d3.select("#fdg")
.append("svg")
.attr("width", width)
.attr("height", height);
force.nodes(graph.nodes)
.links(graph.links)
.start();
var link = svg.selectAll(".link")
.data(graph.links)
.enter().append("line")
.attr("class", "link")
.style("stroke-width", function(d) { return Math.sqrt(d.value); });
var node = svg.selectAll(".node")
.data(graph.nodes)
.enter().append("circle")
.attr("class", "node")
.attr("r", 10)
.style("fill", function(d) { return color(d.group); })
.call(force.drag);
node.append("title")
.text(function(d) { return d.name; });
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; });
});
});