[vtkusers] Polydata vertices with python?

[Eric E. Monson]

Hey David,

I can't see anything obviously wrong with your script. I think there  
may be some bugs in the vtkXMLPolyDataWriter. This reminded me that I  
ran into a similar problem a while back while trying to write polydata  
from a graph out to a vtp file:

http://www.nabble.com/InfoVis:-Graph-to-PolyData-bugs--td21354144.html

Unfortunately, it seems I never got around to filing a bug report on  
that one... Yours doesn't crash out at exactly the same point mine  
did, so they may not be related, but my guess is that it's a bug in  
the writer nonetheless. (For mine, all I wanted was the point  
coordinates written out, so I just created a new polydata with only  
points and wrote that.)

Good luck,
-Eric

------------------------------------------------------
Eric E Monson
Duke Visualization Technology Group


On Jun 18, 2009, at 11:35 AM, David Doria wrote:

> Writing points to a vtp works fine:
> http://www.vtk.org/Wiki/Write_the_corners_of_a_triangle_to_a_file
>
> But then writing points and vertices does not:
> http://www.vtk.org/Wiki/Write_the_corners_of_a_triangle_to_a_file_%28%2Bvertices%29
>
> If you uncomment the SetVerts() line, it seg faults on the line:
> writer.Write();
>
> Does anyone see the problem with this?
>
> Thanks,
>
> David
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