Force Layout Test 3.5 (SVG)

Force Layout SVG test with D3 3.5 This network has 233 nodes & 293 links. Based on [https://bl.ocks.org/mbostock/4062045](Force-Directed Graph) example. This test uses CNMV data from [http://quienmanda.es/](Quién Manda).

Built with blockbuilder.org

<!DOCTYPE html>
<meta charset="utf-8">
<style>

.link {
  stroke: #aaa;
  stroke-width: 1px
}

.node {
  pointer-events: all;
  stroke: none;
  stroke-width: 40px;
}

</style>
<svg width="960" height="600"></svg>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
<script>

var svg = d3.select("svg"),
    width = +svg.attr("width"),
    height = +svg.attr("height");
  
var force = d3.layout.force()
    .charge(-120)
    .linkDistance(30)
    .size([width, height]);

d3.json("cnmv.json", function(error, graph) {
  if (error) throw error;
  
  console.dir(graph);
   
  var nodes_map = d3.map();
  
  graph.nodes.forEach(function(d,i){
    nodes_map.set(d.id, i);
  }); 
  
  graph.links.forEach(function(d){
    d.source = nodes_map.get(d.source_id);
    d.target = nodes_map.get(d.target_id);
    console.log(d);
  });

force
      .nodes(graph.nodes)
      .links(graph.links)
      .start();

var link = svg.selectAll(".link")
      .data(graph.links)
    .enter().append("line")
      .attr("class", "link");

var node = svg.selectAll(".node")
      .data(graph.nodes)
    .enter().append("circle")
      .attr("class", "node")
      .attr("r", 5)
      .call(force.drag);

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>

https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js