[vtkusers] Use of OpenGl by Vtk

[Mayuresh Dalal]

Hi All,

I  have installed VTK 4.2 on a windows 2000 machine. I am very new to vtk 
but very familiar with OpenGL.  I am trying to modify the way Z-buffering is 
performed in VTK for a small project of mine.

Does vtk rely on OpenGL z-buffering or does it have its own explicit  
z-buffering ?   If, can someone point out the C++ method where z-buffering 
is performed in VTK ?

Mayur

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