[vtk-developers] FrustumSource face ordering is wrong?

[Bill Lorensen]

Folks,

This example colors the front and back facing polygons with yellow and
red respectively. However you can see in the example that the red
polygons are on the outside of the source.

I have an MR that fixes the problem, but I want to be sure there is
not some reason the faces are oriented the way they are now.

Here is the example:
https://lorensen.github.io/VTKExamples/site/Cxx/GeometricObjects/Frustum/

Bill

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