[vtkusers] Efficient scalar rendering

[rpascual]

Hi all,

I'm rendering an actor composed by about 100k vtkHexahedron cells. When I
change the scalar array, (hence the maximum and minimum change) in order to
update the lookup table, and change the colors, it takes it about 10 seconds
to render the new scalars onto it (I'm using ranges to update it). Is that
reasonable? Is there any way to make it faster or more efficient?

Any help would be nice and really appreciated,
thank you in advance 



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