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before.html
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<style>
.link {
stroke: #777;
stroke-opacity: 0.3;
stroke-width: 1.0px;
}
.node circle {
fill: #ccc;
stroke: #000;
stroke-width: 0px;
}
.node text {
display: none;
font: 10px sans-serif;
}
.node:hover circle {
fill: #000;
}
.node:hover text {
display: inline;
}
.cell {
fill: none;
pointer-events: all;
}
</style>
<body>
<!-- <script src="http://d3js.org/d3.v3.min.js"></script> -->
<script src="d3.v3.min.js"></script>
<script>
var width = 3200,
height = 2200;
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height);
var force = d3.layout.force()
.size([width, height]);
//d3.csv("out.csv", function(error, links2) {
var links = getData();
// if (error) throw error;
var nodesByName = {};
// Create nodes for each unique source and target.
links.forEach(function(link) {
link.source = nodeByName(link.source);
link.target = nodeByName(link.target);
});
// Extract the array of nodes from the map by name.
var nodes = d3.values(nodesByName);
// Create the link lines.
var link = svg.selectAll(".link")
.data(links)
.enter().append("line")
.attr("class", "link");
// Create the node circles.
var node = svg.selectAll(".node")
.data(nodes)
.enter().append("g")
.attr("class", "node")
.call(force.drag);
var circle = node.append("circle")
.attr("r", 4.5);
var label = node.append("text")
.attr("dy", ".35em")
.text(function(d) { return d.name; });
// Start the force layout.
force
.nodes(nodes)
.links(links)
.on("tick", tick)
.start();
function tick() {
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; });
circle.attr("cx", function(d) { return d.x; })
.attr("cy", function(d) { return d.y; });
label
.attr("x", function(d) { return d.x + 8; })
.attr("y", function(d) { return d.y; });
}
function nodeByName(name) {
return nodesByName[name] || (nodesByName[name] = {name: name});
}
//});
function getData() {
return [