plantri

Plantri planar code notation.

See https://users.cecs.anu.edu.au/~bdm/plantri/

https://users.cecs.anu.edu.au/~bdm/plantri/plantri-guide.txt.

Functions

from_plantri_notation(graph_string)	Convert a plantri notation string into a PlanarDiagram.
to_plantri_notation(g)	Convert a PlanarGraph into plantri notation.