[vtkusers] How to display a object without lighting?

[Lin M]

Hi guys,

I implemented a Spherical Harmonics Lighting in my program and set the
illuminance as the vertex color. I hope to display the object just with the
color array which I set and do not add any effect from the light in vtk.
(Or it can be interpreted each vertex illuminated itself, the brightness is
stored in its color) If I just switch off the light, it shows all dark. So
this is not workable. Any suggestions? Thank you!

Best,
Lin
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