Block.face_vertex_descendant

Block.face_vertex_descendant(fkey, key, n=1)

Return the n-th vertex after the specified vertex in a specific face.

Parameters:
fkeyint

Identifier of the face.

keyint

The identifier of the vertex.

nint, optional

The index of the vertex descendant. Default is 1, meaning the next vertex.

Returns:
int

The identifier of the vertex after the given vertex in the face cycle.

Raises:
ValueError

If the vertex is not part of the face.