kink_region_iterator

kink_region_iterator(k: PlanarDiagram, of_node=None)

An iterator (generator) over regions of kinks/loops.

The regions are singleton lists containing the endpoint. See also regions().

Args:

k (PlanarDiagram): planar diagram object of_node: if of_node is not None, only the kinks attached to the node will be given.

Returns:

iterator: an iterator (generator) over kink regions.