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From: | Matteo Fortini |
Subject: | Re: [igraph] Union of two graphs keeping attributes |
Date: | Thu, 06 Jun 2013 11:42:18 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 |
Is it possible to insert into next igraph? Should I go ahead and send a pull request on github?
How would you call it? An option on Graph.compose()? It's not a real union, it's more the reverse of a decompose() operation.
Thank you, Matteo Il 05/06/2013 22:12, Tamás Nepusz ha scritto:
Hi,regarding a question which was asked before in this ML by Gábor Tóth, you can find my solution here, which works, but is still too slow for me: http://stackoverflow.com/questions/16928593/igraph-python-union-preserving-attributes Hope someone can find a way to speed it up.This is probably as good as it gets using pure Python. Have you tried to measure which part is the slowest in your case? Is it the addition of edges, or the part where the vertex/edge attributes are copied?
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