ForceDiagram.face_vertex_after¶
- 
ForceDiagram.face_vertex_after(fkey, key, n=1)¶ Return the n-th vertex after the specified vertex in a specific face.
- Parameters
 fkey (int) – Identifier of the face.
key (int) – The identifier of the vertex.
n (int, 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.