VolMesh.halfface_vertex_ancestor
- VolMesh.halfface_vertex_ancestor(halfface, vertex)[source]
Return the vertex before the specified vertex in a specific face.
- Parameters
halfface (int) – The identifier of the halfface.
vertex (int) – The identifier of the vertex.
- Returns
int – The identifier of the vertex before the given vertex in the face cycle.
- Raises
ValueError – If the vertex is not part of the face.