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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
problem.
Kasper
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
>
> [...]