pull_and_plug_endpoint

pull_and_plug_endpoint(k, source_endpoint, destination_endpoint)

Pull out one endpoint and plug it somewhere else.

This splits the source arc, creates a leaf at the destination, connects them, and removes temporary bivalent vertices. Operates in place.

Parameters:

• k (PlanarDiagram | OrientedPlanarDiagram) – Diagram to modify.

• source_endpoint (Endpoint | tuple) – Endpoint or (node, position) to pull out.

• destination_endpoint (Endpoint | tuple) – Endpoint or (node, position) where it is plugged.

Return type:

None