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<meta charset="utf-8">
<style>
.link {
stroke: #000;
}
</style>
<svg width="960" height="500"></svg>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
d3.json("miserables.json", function(error, graph) {
if (error) throw error;
var force = d3.layout.force()
.nodes(graph.nodes)
.links(graph.links)
.size([width, height])
.start();
var link = svg.append("path")
.attr("class", "link");
var node = svg.selectAll(".node")
.data(graph.nodes)
.enter().append("circle")
.attr("class", "node")
.attr("r", 4.5)
.call(force.drag);
force.on("tick", function() {
link.attr("d", "M" + graph.links.map(function(d) { return d.source.x + "," + d.source.y + "L" + d.target.x + "," + d.target.y; }).join("M"));
node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
});
});
</script>
https://d3js.org/d3.v3.min.js