[vtkusers] Set the opacity or thresholding of a VTKVolume

[Michael K]

Hi David,

you could try to set a lower value for the maximum opacity, like:
opacity->AddPoint(255, 0.7); 
This would result in a less dense volume, causing a better penetration.

If you have a dense area close to the border of your volume you could try to
get rid of that by clipping.

Finally if the casing has the highest density values in the volume, you
could also define a opacity function with low opacity for the highest
values, thus masking out the casing.

Hope this helps,
bye,
Michael



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