episode-interactions.html

﻿<!DOCTYPE html>
<meta charset="utf-8">
<style>
    .node {
        stroke: #FFF;
        stroke-width: 1.5px;
    }

    .link {
        stroke: #999;
        stroke-opacity: .6;
    }
</style>
<body>
    <script src="https://d3js.org/d3.v3.min.js"></script>
    <script>

var width = 800,
    height = 600;

var color = d3.scale.category20();

var force = d3.layout.force()
    .charge(-250)
    .linkDistance(150)
    .size([width, height]);

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

d3.json("starwars-episode-1-interactions-allCharacters.json", function(error, graph) {
  if (error) throw error;

  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", 5)
      .style("fill", function (d) { return d.colour; })
      .attr("r", function (d) { return 2*Math.sqrt(d.value) + 2; })
      .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; })
        .attr("value", function (d) { return d.value;}) ;

    node.attr("cx", function(d) { return d.x; })
        .attr("cy", function(d) { return d.y; });
  });
});

    </script>
</body>