[Paraview] Losing data when clip multi-block

[Eric E. Monson]

Hello,

I'm creating a multi-block data set using the group filter and then  
clipping it. The results of the clip are always missing one of the  
scalars associated with the second data set that I highlighted before  
applying the group filter. This only seems to happen if one of the  
data sets has multiple scalars or vectors associated with it -- if  
they each only have one, nothing is lost in the clip. (ParaView 3.4  
and CVS, OS X 10.5.6 and Windows XP 32-bit, no MPI)

I originally saw this with my own data, but I am able to easily  
replicate this by creating two point sources. I apply the Elevation  
filter to the first. Then, to the second I apply Brownian Vectors,  
plus a Calculator that computes the magnitude of those vectors. If I  
highlight Elevation and then Calculator, then Group and Clip, I lose  
the vector magnitude scalar at the Clip stage. If I highlight the  
Calculator and then the Elevation, then Group and Clip, I lose the  
elevation scalar.

Please let me know if anyone has any ideas about where this could be  
coming from.

Thanks a lot,
-Eric

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Eric E Monson
Duke Visualization Technology Group