I guess there was a communication problem. It seems you're still looking
at the first file I attached in an earlier message: molar.vtk. I created
a new file with the lookup table called molar.look.vtk and attached it
to the later message that discusses lookup tables and opacity.
Moreland, Kenneth wrote:
Uh, what lookup table? The data file you posted has no LOOKUP_TABLE
entry. Even if it did, the VTK format specifies that the LOOKUP_TABLE
is applied to a SCALARS entry whereas the molar.vtk file has data
stored as COLOR_SCALARS. Even if the RGB values were listed under a
SCALARS entry (which is an error in itself), the lookup table cannot
be applied to a vector. VTK specifically defines a lookup table as
something that converts scalars to colors. I’m not sure what the
interface would look like for a lookup table that operated on vectors
in either the VTK API or in a GUI.
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