matplotlib.artist.Artist.add_callback

Artist.add_callback(func)

Add a callback function that will be called whenever one of the Artist's properties changes.

Parameters:

funccallable

The callback function. It must have the signature:

def func(artist: Artist) -> Any

where artist is the calling Artist. Return values may exist but are ignored.

Returns:

int

The observer id associated with the callback. This id can be used for removing the callback with remove_callback later.

See also

remove_callback