text label and circle for graph(d3.js)
text label and circle for graph(d3.js)
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Download: Download snippet as text-label-and-circle-for-graphd3js.js.
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var dumpObj = function(o){
var str = "";
for(var i in o) {
str = str + "¥n" + i + "¥t"+ o[i];
}
alert(str);
}
var w = 960,
h = 500
var vis = d3.select("body").append("svg:svg")
.attr("width", w)
.attr("height", h);
d3.json("graph.json", function(json) {
var force = self.force = d3.layout.force()
.nodes(json.nodes)
.links(json.links)
.gravity(.05)
.distance(100)
.charge(-100)
.size([w, h])
.start();
var link = vis.selectAll("line.link")
.data(json.links)
.enter().append("svg:line")
.attr("class", "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; });
var node = vis.selectAll("g.node")
.data(json.nodes)
.enter().append("svg:g")
.attr("class", "node")
.call(force.drag);
node.append("svg:circle")
.attr("class", "node")
.attr("x", function(d) { return d.x; })
.attr("y", function(d) { return d.y; })
.attr("r", 5);
node.append("svg:text")
.attr("class", "nodetext")
.attr("dx", 12)
.attr("dy", ".35em")
.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 + ")"; });
});
});
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