Method add_artist

lib/matplotlib/axes/_base.py:2337–2357

Add an `.Artist` to the Axes; return the artist. Use `add_artist` only for artists for which there is no dedicated "add" method; and if necessary, use a method such as `update_datalim` to manually update the `~.Axes.dataLim` if the artist is to be included i

(self, a)

                   for a in self._children)

    def add_artist(self, a):
        """
        Add an `.Artist` to the Axes; return the artist.

        Use `add_artist` only for artists for which there is no dedicated
        "add" method; and if necessary, use a method such as `update_datalim`
        to manually update the `~.Axes.dataLim` if the artist is to be included
        in autoscaling.

        If no ``transform`` has been specified when creating the artist (e.g.
        ``artist.get_transform() == None``) then the transform is set to
        ``ax.transData``.
        """
        a.axes = self
        self._children.append(a)
        a._remove_method = self._children.remove
        self._set_artist_props(a)
        if a.get_clip_path() is None:
            a.set_clip_path(self.patch)
        self.stale = True
        return a

    def add_child_axes(self, ax):
        """