You are reading an old version of the documentation (v3.1.0). For the latest version see https://matplotlib.org/stable/api/_as_gen/matplotlib.artist.Artist.contains.html
Version 3.1.0
matplotlib
Fork me on GitHub

matplotlib.artist.Artist.contains

Artist.contains(self, mouseevent)[source]

Test whether the artist contains the mouse event.

Parameters:
mouseevent : matplotlib.backend_bases.MouseEvent
Returns:
contains : bool

Whether any values are within the radius.

details : dict

An artist-specific dictionary of details of the event context, such as which points are contained in the pick radius. See the individual Artist subclasses for details.