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Re: [igraph] [BioC] Rgraphviz: how to read a \"dot\" file?

From: Kasper Daniel Hansen
Subject: Re: [igraph] [BioC] Rgraphviz: how to read a \"dot\" file?
Date: Wed, 17 Oct 2012 11:04:09 -0400

I have fixed the ~ issue in Rgraphviz devel.  I have provided a couple
of checks that catches trying to plot a graph with zero number of
edges, but idoes not fix the issue of agreed(layout = TRUE) which is
the default and which caused the segfault.  Fixing this requires more
tinkering due to the class hierarchy.  Since I kind of want to fix the
class hierarchy anyway in Rgraphviz, I have decided to postpone this.

I still believe that the file is somehow invalid because it is not
being parsed by dot from Graphviz, so I consider this to be an igraph


On Tue, Oct 16, 2012 at 3:25 PM, Gábor Csárdi <address@hidden> wrote:
> On Tue, Oct 16, 2012 at 3:18 PM, Gábor Csárdi <address@hidden> wrote:
> [...]
>> Yes, it might be an igraph bug, as
>> http://www.graphviz.org/doc/info/lang.html says that node ids cannot
>> start with numbers and the files igraph exports they are just numbers.
>> I am wondering how this ever worked.
> Well, I was a little too quick. Numbers are actually allowed as IDs in
> dot files. So I have no idea why the file should be invalid.
> Gabor
> [...]

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