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sanders_network.html
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sanders_network.html
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<!DOCTYPE html>
<meta charset="utf-8">
<script src="http://d3js.org/d3.v3.js"></script>
<style>
path.link {
fill: none;
/*stroke: #666;*/
stroke: #fff;
stroke-width: 1.5px;
}
circle {
/*fill: #DC143C;*/
fill: #3A5FCD;
/* fill: #ccc;*/
stroke: #fff;
stroke-width: 1.5px;
}
marker-end{
/* color: #DC143C;*/
color: #8B8386;
}
text {
/*fill: #000;*/
fill: #000080;
/*fill: #DC143C;*/
/*font: 10px sans-serif;*/
pointer-events: none;
font: 12px helvetica;
}
svg {
/*background-color:#F5F5F5;*/
background-color:#3A5FCD;
}
</style>
<body>
<script>
// get the data
d3.csv("force_sanders.csv", function(error, links) {
var nodes = {};
// Compute the distinct nodes from the links.
links.forEach(function(link) {
link.source = nodes[link.source] ||
(nodes[link.source] = {name: link.source});
link.target = nodes[link.target] ||
(nodes[link.target] = {name: link.target});
link.value = +link.value;
});
var width = 5000,
height = 5000,
color = d3.scale.category20c();
var force = d3.layout.force()
.nodes(d3.values(nodes))
.links(links)
.size([width, height])
.linkDistance(60)
.charge(-300)
.on("tick", tick)
.start();
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
// build the arrow.
svg.append("svg:defs").selectAll("marker")
.data(["end"]) // Different link/path types can be defined here
.enter().append("svg:marker") // This section adds in the arrows
.attr("id", String)
.attr("viewBox", "0 -5 10 10")
.attr("refX", 15)
.attr("refY", -1.5)
.attr("markerWidth", 6)
.attr("markerHeight", 6)
.attr("orient", "auto")
.style("fill", function(d) { return color(d.name); })
.append("svg:path")
.style("fill", function(d) { return "white"; })
.attr("d", "M0,-5L10,0L0,5");
// add the links and the arrows
var path = svg.append("svg:g").selectAll("path")
.data(force.links())
.enter().append("svg:path")
// .attr("class", function(d) { return "link " + d.type; })
.attr("class", "link")
.attr("marker-end", "url(#end)");
// define the nodes
var node = svg.selectAll(".node")
.data(force.nodes())
.enter().append("g")
.attr("class", "node")
.call(force.drag);
// add the nodes
node.append("circle")
.attr("r", 5);
// add the text
node.append("text")
.attr("x", 12)
.attr("dy", ".35em")
.text(function(d) { return d.name; });
// add the curvy lines
function tick() {
path.attr("d", function(d) {
//trasnformation - curve between links
var dx = d.target.x - d.source.x,
dy = d.target.y - d.source.y,
dr = Math.sqrt(dx * dx + dy * dy);
return "M" +
d.source.x + "," +
d.source.y + "A" +
dr + "," + dr + " 0 0,1 " +
d.target.x + "," +
d.target.y;
});
node
.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")"; });
}
});
</script>
</body>
</html>