The problem of render a vtk file

supersteven · August 23, 2023, 5:54am

Here is a rendering of a vtk file as in attackment.
Why some area is black?

danlipsa · August 23, 2023, 2:47pm

Your normals are pointing inwards for certain surfaces. You can use GenerateSurfaceNormals to generate new correct normals (pointing outward).

supersteven · August 24, 2023, 2:00am

Thanks, you are right