[vtkusers] vtkThreshold

[Robbie Banks]

Hi all,

 

I'm wondering how I can use the vtkThreshold filter to return the number of
cells in the structure above a certain scalar value.

 

The threshold filter seems to do this, but I can't see where the number of
scalars could be returned from.

 

I have an unstructured grid and I want to see how many of the cells are
above a certain scalar value, so that I can determine the volumetric
percentage of grid that is above the threshold?

 

Any help would be appreciated.

 

Regards

Robbie

 

 

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