Le 04/01/2013 10:35, Kire Gasteovski a écrit :
Guten Tag!

I am making the following example http://projects.skewed.de/graph-tool/wiki/FrontpageExample .

What I want to do is to extract the coordinates of the nodes into a list from the vertex property map (i.e. from the variable pos, I assume they are stored there). How do I do that? Please help me, because I am stuck on this problem for 2 days and I can't find the solution.

Best regards,
Kiril


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Hi,

In this case, if I recall well, the propery map |pos| has elements of type |vector<double>|, so you can't access to the data through the |pos.a| attribute.

A simple loop will do though

|pos_list = np.array([pos[v].afor  vin  g.vertices()])|

Hope it helps.

Guillaume
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