clone graph

gistfile1.txt

var G = new networkx.Graph();
var tmp = new Map();
forEach (graph.getNodes(), function(n) {
    tmp.set(n, new Point2(n.x, n.y));
});
forEach (graph.getEdges(), function(e) {
    G.addEdge(tmp.get(e[0]), tmp.get(e[1]));
});