小编Man*_*ack的帖子

var width = 600,
    height = 600;

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

var color = d3.scale.category20();

var dataNodes = [
    { x:   width/3, y:   height/3 , group: 0, color: 'blue'},
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];

var dataLinks = [
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var force = d3.layout.force()
    .charge(-400)
    .linkDistance(height/2) …