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Re: [igraph] Max size of graph in igraph


From: Tamás Nepusz
Subject: Re: [igraph] Max size of graph in igraph
Date: Thu, 1 Nov 2012 13:29:45 +0100

> Tamas will know this better, but how big is your graph? Here is an
> example with ~70,000 nodes and ~4 million edges, so if your graph is
> smaller than this, then graph size is not a problem:
> http://sixdegrees.hu/last.fm/
Well, this figure was created with a custom plotting routine, not the one built 
into igraph. The reason is that igraph allows you to set the visual attributes 
of vertices and edges from vertex/edge attributes or from keyword arguments of 
the plot() call, and it needs quite a few extra data structures to keep track 
of that, therefore it consumes more memory and takes much more time than using 
a custom routine that "just" draws the nodes or the edges and does not collect 
the visual attributes from different data sources.

Best,
Tamas




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