[vtkusers] Illumination

[Tim Seher]

Hi!

I am pretty new to using VTK and have a small problem with illumination of my 
image.

I want to plot 3 slices (x/y/z) through a three-dimensional cube of data. That 
works fine. Isolines I plot on the surfaces link up, however the colors I 
assign using a lookup table do not match on intersecting surfaces due to 
different illumination angles. 

The problem is worst in face-on view (test.1.png), that some contour lines are 
not filled at all. The contour lines are filled, if I look from an angle.

The simplest solution would probaly be to have the same light from x/y/z on 
all three planes. How do I need to assign my lights to accomplish this without 
clipping the colors? How do I adress the camera which is generated by 
default?

Any suggestions how to get equal illumination on all three slices from all 
angles or a link to a tutorial would be great appreciated.

Thanks in advance!
Tim
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