[vtkusers] file format for graphs

[David Doria]

On Mon, Apr 26, 2010 at 11:48 AM, Randy Heiland <heiland at indiana.edu> wrote:
> Thanks for confirming, Jeff.  I was assuming those were the classes to use, but I mis-used when tweaking Examples/Infovis/Python/graph1.py   Now I see that it's working.  But leads to more questions:
>
> - the POINTS coords are all 0?  So they don't reflect the graph layout?
> - is there a method that lets me show directedness of a directed graph (e.g. arrows)?
> - it seems that when I write binary, the EDGES  list are still in ascii
> - any idea if there is a non-VTK format that's preferred for graphs?
>
> Rf. http://mypage.iu.edu/~heiland/graphs/
>
> (maybe some of my questions pertain to Titan/Overview)
>
> thanks, Randy
>
>
>
> On Apr 26, 2010, at 10:01 AM, Jeff Baumes wrote:
>
>> Take a look at vtkGraphReader / vtkGraphWriter. It uses the legacy VTK
>> format to store graphs.
>>
>> Jeff
>>
>> On Sun, Apr 25, 2010 at 6:23 PM, Randy Heiland <heiland at indiana.edu> wrote:
>>> Is there a VTK file format for graphs?  I'm aware of the SQL technique, but am curious about files.
>>>
>>> thanks, Randy
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>>
>>
>> --
>> Jeff Baumes, Ph.D.
>> R&D Engineer, Kitware Inc.
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>> jeff.baumes at kitware.com
>
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There was some discussion about showing the arrows for a directed
graph not too long ago. The title of the thread was "Directed Graph
Edges". Sorry, I'm not sure how to find a link to the conversation
(it's just in my email).

Thanks,

David