[Paraview] surface normal for slices through a volume

[Paul Edwards]

Hi,

I have a dataset with mixed cell types - wedges and tetrahedra.  When I
apply a plane cut through the mesh I do not get triangles with consistent
orientation for their normals, i.e. wedges are one direction, tets are the
other.  Of course, I can apply the "GenerateSurfaceNormals" with
consistency checking but this can take quite a lot of time...

Should the triangles have point ordering to give consistent normals if the
cells are generated correctly?

Thanks in advance,
Paul
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