[vtkusers] vtkLookupTable GetColor problem

[Hikaruchan]

I solved the problem. I build my vtklookuptable with SetTableValue(), and now
I build the lookuptable again and setting the TableValues again in my
updatefunction where the data is changed. But I do not understand why I have
to build the lookuptable and set the tablevalues again. 

I thought, ok i build the lookuptable once in the initfunction and can then
use it later to map scalar values through it (as I wanted to do in my
updatefunction). Can someone explain, why I have to build the lookuptable
again and set the tablevalues again? 

I think I have missunderstood some of the basic concept of the lookuptables
in VTK. I would be glad if someone could explain it to me.

Dear

Hikaruchan

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