62 lines
2.1 KiB
JavaScript
62 lines
2.1 KiB
JavaScript
var w = window.innerWidth,
|
|
h = window.innerHeight - 10,
|
|
fill = d3.scale.category20();
|
|
|
|
var vis = d3.select("#chart").append("svg")
|
|
.attr("width", w)
|
|
.attr("height", h);
|
|
|
|
d3.json("nodes.json", function(json) {
|
|
var force = d3.layout.force()
|
|
.charge(-350)
|
|
.gravity(0.05)
|
|
.friction(0.75)
|
|
.theta(0.1)
|
|
.linkDistance(function (d) { return d.distance; })
|
|
.linkStrength(function (d) { return d.strength; })
|
|
.nodes(json.nodes)
|
|
.links(json.links)
|
|
.size([w, h])
|
|
.start();
|
|
|
|
var link = vis.selectAll("line.link")
|
|
.data(json.links)
|
|
.enter().append("line")
|
|
.attr("class", "link")
|
|
.style("stroke-width", function(d) { return Math.min(1, d.strength * 2); })
|
|
.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; });
|
|
|
|
var node = vis.selectAll("svg.node")
|
|
.data(json.nodes)
|
|
.enter().append("g")
|
|
.attr("class", "node")
|
|
.call(force.drag);
|
|
|
|
node.append("ellipse")
|
|
.attr("rx", function(d) { if (d.group == 3) return 4; else return d.name.length * 5; })
|
|
.attr("ry", function(d) { if (d.group == 3) return 4; else return 14; })
|
|
.style("fill", function(d) { if (d.group == 3) return fill(d.group); else return ""; })
|
|
.style("stroke", function(d) { return fill(d.group); });
|
|
|
|
node.append("text")
|
|
.attr("text-anchor", "middle")
|
|
.attr("y", "4px")
|
|
.style("fill", function(d) { return fill(d.group); })
|
|
.text(function(d) { if (d.group == 3) return ""; else return d.name; });
|
|
|
|
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; });
|
|
|
|
node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
|
|
});
|
|
});
|