from_em_notation#
- from_em_notation(data, oriented=False)#
Create a planar diagram from EM dict (or stringified dict) notation.
The input should map each node to a CCW-ordered list of
(neighbor, neighbor_position)pairs.- Parameters:
data (Mapping[Any, Iterable[tuple[Any, int]]] | str) – EM dict, or a string that safely evaluates to such a dict.
oriented (bool) – Whether to construct an oriented diagram (not implemented).
- Returns:
PlanarDiagram – Parsed diagram.
- Raises:
NotImplementedError – If
oriented=True.ValueError – On malformed inputs.
- Return type: