fourd.js是一个用在浏览器上的动态图形可视化库。稍微调整一下，你就可以用它做出一些几何图形集合，此库已经在Chrome、Firefox、IE11上测试运行，有传言说，通过切换CanvasRenderer，此库甚至可以在树莓派上运行。
示例代码：
var fourd = new FourD(); // instantiationfourd.init('#selector', {width: 600, height: 350}); // initializationvar vertex_options = { width: 5, // pixels height: 5, depth: 5, color: 0x000000 // hex color};// or:var vertex_options = { width: 5, height: 5, depth: 5, texture: 'path_to,png'}// or:// leave out vertex options altogether.// default values will be used.var vertex1 = fourd.graph.add_vertex(vertex_options); // add a vertexvar vertex2 = fourd.graph.add_vertex(vertex_options); // add another vertexvar edge_options = {}; // currently not defined, but this is how you would pass them.var edge = fourd.graph.add_edge(vertex1, vertex2, edge_options);fourd.graph.remove_edge(edge); // this is why you keep those variablesfourd.graph.remove_vertex(vertex1);fourd.graph.remove_vertex(vertex2);
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