[vtkusers] bitten by UseLookupTableScalarRange

[John Platt]

Hi All,

 

I have set a LUT for my cell scalars so that they can be easily shared
by my face and edge mappers

 

myScalars->SetLookupTable( myLUT );

 

For the face mapper I set

 

faceMapper->UseLookupTableScalarRangeOn();

 

BUT forget to call the same for the edge mapper!

 

The result is that the edge mapper updates the table range to match it's
internal range and modifies all the face colours.

 

Well it's my mistake. but in this instance it would seem more
appropriate to have the range lock in the LUT and not each mapper. If
you fail to call UseLookupTableScalarRangeOn() for every mapper using
the scalars, this feature is defeated.

 

Thanks for reading,

 

John.

 

 

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