[vtkusers] vtkLookupTable and memory

Mathieu Malaterre mathieu.malaterre at kitware.com
Mon May 8 18:44:07 EDT 2006


Eugene Kim wrote:
> Hi everyone,
> 
>     Just a question to anyone who might know.  Does the 
> SetNumberOfTableValues function in vtkLookupTable actually perform any 
> memory operations?  To clarify, does it increase the size of the array 
> upon a new larger number and decrease the size upon a smaller one in 
> memory?

vtkLookupTable internally uses a vtkUnsignedCharArray. The call of 
SetNumberOfTableValues actually calls SetNumberOfTuples which makes sure 
to allocate the proper memory size.

HTH
Mathieu



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