orient

orient(k)

Orient an unoriented diagram using the default edge directions.

This picks the natural direction for every edge returned by knotpy.algorithms.topology.edges().

Parameters:

k (PlanarDiagram) – Unoriented diagram.

Returns:

Oriented diagram.

Return type:

OrientedPlanarDiagram

Example

>>> import knotpy as kp
>>> k = kp.knot("3_1")
>>> kp.orient(k)
Diagram named 3_1 a → X(b3o c0i c3i b0o), b → X(a3i c2o c1o a0i), c → X(a1o b2i b1i a2o)