[vtkusers] file format for graphs

[Randy Heiland]

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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