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Re: [igraph] problems with import of Pajek .net file


From: Gábor Csárdi
Subject: Re: [igraph] problems with import of Pajek .net file
Date: Wed, 11 Aug 2010 14:14:21 +0200

Works fine on OSX as well, igraph 0.5.4, R 2.11.1.

FYI,
Gabor

On Wed, Aug 11, 2010 at 2:07 PM, Tamas Nepusz <address@hidden> wrote:
> Hi again,
>
> It works for me in igraph 0.5.3 as well (R 2.11.0, igraph 0.5.3, Linux).
>
> --
> Tamas
>
> On Wed, Aug 11, 2010 at 12:20:23PM +0200, Martin Tomko wrote:
>> Hi All,
>> I am experiencing a problem reading a pjek formatted graph (that I
>> output from my own conversion script). The graph opens fine in Pajek
>> itself.
>>
>> I get the following error:
>> Fehler in read.graph.pajek(file, ...) :
>>   At type_indexededgelist.c:245 : cannot add edges, Invalid vertex id
>>
>> It is a very simple graph with no fancy attributes, just :
>>
>> *Vertices 8309
>> 1
>> 2
>> 3
>> 4
>> 5
>> 6
>> ...
>> *Edges
>> 1 2
>> 1 7044
>> 10 985
>> 100 1901
>> ...
>>
>> I have output many other .net graphs and ingested them into igraph
>> without problems before, although from a different procedure and
>> input, so it must be something with the new input graph data I have,
>> I assume.
>>
>> I made sure that the number of vertices is correct, they are
>> numbered from 1, sequentially, and ordered in the output, and I also
>> ordered the edges. I have no idea what could be the problem.
>> Is there a way to enable more verbose debug output from igraph in R,
>> so that I see which vertex number is the problem?
>>
>> the two graphs are available here, if anyone wants to try...:
>> http://www.geo.uzh.ch/~mtomko/myoutput.net
>> http://www.geo.uzh.ch/~mtomko/pajektest.net
>>
>> Thanks
>> Martin
>>
>>
>> _______________________________________________
>> igraph-help mailing list
>> address@hidden
>> http://lists.nongnu.org/mailman/listinfo/igraph-help
>
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>



-- 
Gabor Csardi <address@hidden>     UNIL DGM



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