PseudoQuadMesh.vertex_opposite_vertex

PseudoQuadMesh.vertex_opposite_vertex(u, v)

Returns the opposite vertex to u accross vertex v.

Parameters

• u (hashable) – A vertex key.

• v (hashable) – A vertex key.

Returns

hashable, None – The opposite vertex. None if v is a singularity or if (u, v) leads outwards.