HalfEdge.edge_attributes

HalfEdge.edge_attributes(edge, names=None, values=None)[source]

Get or set multiple attributes of an edge.

Parameters

  • edge (2-tuple of int) – The identifier of the edge.

  • names (list, optional) – A list of attribute names.

  • values (list, optional) – A list of attribute values.

Returns

dict, list or None – If the parameter names is empty, a dictionary of all attribute name-value pairs of the edge. If the parameter names is not empty, a list of the values corresponding to the provided names. None if the function is used as a “setter”.

Raises

KeyError – If the edge does not exist.