[vtkusers] vtkLookupTable and variable scalar subranges

Thu May 31 15:42:30 EDT 2007

 Hi everybody,
I am trying to use vtkLookupTable to map scalar subranges into colors. For
example:

         Scalar                |   Color

      700 <= s <= 750      blue
      750 < s <= 850        yellow
      850 < s <= 1000      green

and so on. Please note that the deltas of the three subranges are different
(50, 100, 150).

Is it possible to do that with the vtkLookupTable class? I have seen there
is a SetTableRange() method to specify a scalar ran        ge, but this
range is applied to the entire colormap. How can I specify scalar subranges?

 Thank you very much

             Luca
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