Problem rendering surfaces after upgrading to VTK 8.2.0

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This problem has been resolved in

Problem with Parallel Projection after upgrading to VTK 9.1.0

After upgrading to VTK 9.1.0, we have problems when zooming in (with Parallel Projection on). [image] There are artifacts (“cross-hatching,” “Moire patterns,” “aliasing”) that are extremely bad in some cases. Is there a setting we can change to make these go away. We did not have this problem with VTK 6.0.0. Here is a simple example: // This simple program demonstrates a problem we have with VTK 8.2.0 and VTK 9.1.0 // When we zoom in we get Moire patterns ("cross-hatching" or "aliasing") /…