[Paraview] Distorted Images in Paraview

[Christian Werner]

Hello!

I am again having bad results in ParaView with my custom VTK filters 
(you might notice that this is not the first time). I just don't know 
what the problem is. Again, the filter works perfectly in VTK-only, but 
in ParaView my result image has some serious errors (always, no 
switching behaviour this time...).
I have attached three images. The first one shows the original, the 
second shows the result in vtk-only (removal of small objects), the 
third shows the exact same filter compiled as a ParaView plugin.

I have already spent a lot of time looking at examples and reading 
matching chapters in the VTK Users Guide, I just do not see what I am 
doing wrong. In my code, I use recursion to traverse through connected 
components and pass on scalar pointers, is that a problem?? At least 
some more basic filter doesn't produce errors. Or maybe I mistype 
something? Am I breaking important rules? Is my coding style 
intrinsically error prone?

I'd really appreciate if somebody could look into this. I also attached 
the very well documented code.


Best regards,
Christian
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