Hi Alan, there is nothing in igraph for this, but as you said, it is fairly simple, just use get.adjlist() to get an adjacency list and then write that to the file with cat(). Literally three lines of code.
Best, Gabor On Tue, Nov 6, 2012 at 10:29 AM, Alan Labouseur <[email protected]> wrote: > I would like to use Metis (http://glaros.dtc.umn.edu/gkhome/views/metis) > to partition iGraph graphs. Is there an existing tool to export an iGraph > graph in the Metis graph file format? I didn't see anything in the help for > this, and a quick look online also yielded nothing. It's a fairly simple > conversion but I want to ask the community before I go and write it myself. > > Thanks! > > -Alan > > PS: Here's the Metis format: > > % This is a sample graph from page 11 of the METIS manual. > % The first non-comment line lists the number of vertices (7) and edges > (11). > % The next non-comment line notes that vertex 1 is connected to vertices > 5, 3 and 2. > % The next non-comment line notes that vertex 2 is connected to vertices > 1, 3 and 4. > % ... and so on. > 7 11 > % The following lines: adjacencies for vertex > 5 3 2 > 1 3 4 > 5 4 2 1 > 2 3 6 7 > 1 3 6 > 5 4 7 > 6 4 > > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > -- Gabor Csardi <[email protected]> MTA KFKI RMKI
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