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/Matplotlib 3.1

matplotlib.axis.Axis.set_contains

Axis.set_contains(self, picker)

Define a custom contains test for the artist.

The provided callable replaces the default contains method of the artist.

Parameters:
picker : callable

A custom picker function to evaluate if an event is within the artist. The function must have the signature:

def contains(artist: Artist, event: MouseEvent) -> bool, dict

that returns:

  • a bool indicating if the event is within the artist
  • a dict of additional information. The dict should at least return the same information as the default contains() implementation of the respective artist, but may provide additional information.

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https://matplotlib.org/3.1.1/api/_as_gen/matplotlib.axis.Axis.set_contains.html