[vtkusers] vtkCocoaRenderWindow image difference compared to vtkCarbonRenderWindow

[Elvis Dowson]

Hi,
         I just switched from using vtk-5.3.x from Carbon 32-bits to  
Cocoa 64-bits.

The first thing that I notice is that there is a difference in the  
image. The sides of the cylinder appears to be incorrectly rendered  
when I use the Cocoa libraries.

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If I use Cocoa, it appears correctly and I can't see the bottom surface.

Why is this so?

Best regards,

Elvis Dowson