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Matplotlib.axes.Axes.get_default_bbox_extra_artists() in Python
• Last Updated : 30 Apr, 2020

Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Axes Class contains most of the figure elements: Axis, Tick, Line2D, Text, Polygon, etc., and sets the coordinate system. And the instances of Axes supports callbacks through a callbacks attribute.

## matplotlib.axes.Axes.get_default_bbox_extra_artists() Function

The Axes.get_default_bbox_extra_artists() function in axes module of matplotlib library is used to get the default list of artists that are used for the bounding box calculation..

Syntax: Axes.get_default_bbox_extra_artists(self)

Parameters: This method does not accepts any parameter.

Returns: This method return the default list of artists that are used for the bounding box calculation.

Below examples illustrate the matplotlib.axes.Axes.get_default_bbox_extra_artists() function in matplotlib.axes:

Example 1:

 `# ImpleIn Reviewtation of matplotlib function  ``import` `matplotlib.pyplot as plt``import` `matplotlib.tri as tri``import` `numpy as np``   ` `n_angles ``=` `36``n_radii ``=` `10``min_radius ``=` `2``radii ``=` `np.linspace(min_radius, ``0.95``, n_radii)``   ` `angles ``=` `np.linspace(``0``, ``2` `*` `np.pi,``                     ``n_angles,``                     ``endpoint ``=` `False``)`` ` `angles ``=` `np.repeat(angles[..., np.newaxis],``                   ``n_radii, axis ``=` `1``)`` ` `angles[:, ``1``::``2``] ``+``=` `2` `*` `np.pi ``/` `n_angles``   ` `x ``=` `(radii ``*` `np.cos(angles)).flatten()``y ``=` `(radii ``*` `np.sin(angles)).flatten()``   ` `triang ``=` `tri.Triangulation(x, y)``   ` `triang.set_mask(np.hypot(x[triang.triangles].mean(axis ``=` `1``),``                         ``y[triang.triangles].mean(axis ``=` `1``))``                ``< min_radius)``fig, ax ``=` `plt.subplots()``   ` `ax.triplot(triang, ``'bo-'``, lw ``=` `1``, color ``=` `"green"``)`` ` `w ``=` `ax.get_default_bbox_extra_artists()`` ` `print``(``"Value Return by get_default_bbox_extra_artists() :"``)`` ` `for` `i ``in` `w:``    ``print``(i)``  ` `fig.suptitle('matplotlib.axes.Axes.get_default_bbox_extra_artists()\`` ``function Example\n\n', fontweight ``=``"bold"``)`` ` `fig.canvas.draw()``plt.show()`

Output:

```Value Return by get_default_bbox_extra_artists() :
Line2D(_line0)
Line2D(_line1)
Spine
Spine
Spine
Spine
XAxis(80.0, 52.8)
YAxis(80.0, 52.8)
Text(0.5, 1.0, '')
Text(0.0, 1.0, '')
Text(1.0, 1.0, '')
Rectangle(xy=(0, 0), width=1, height=1, angle=0)
```

Example 2:

 `# ImpleIn Reviewtation of matplotlib function  ``import` `matplotlib.pyplot as plt``   ` `fig, ax1 ``=` `plt.subplots( )``ax1.set_xscale(``"log"``)``ax1.set_yscale(``"log"``)``ax1.set_adjustable(``"datalim"``)`` ` `ax1.plot([``1``, ``3``, ``34``, ``4``, ``46``, ``3``, ``7``, ``45``, ``10``],``         ``[``1``, ``9``, ``27``, ``8``, ``29``, ``84``, ``78``, ``19``, ``48``], ``         ``"o-"``, color ``=``"green"``)`` ` `ax1.set_xlim(``1e``-``1``, ``1e2``)``ax1.set_ylim(``1``, ``1e2``)`` ` `w ``=` `ax1.get_default_bbox_extra_artists()`` ` `print``(``"Value Return by get_default_bbox_extra_artists() :"``)`` ` `for` `i ``in` `w:``    ``print``(i)``  ` `fig.suptitle('matplotlib.axes.Axes.get_default_bbox_extra_artists()\`` ``function Example\n\n', fontweight ``=``"bold"``)`` ` `fig.canvas.draw()`` ` `plt.show()`

Output:

```Value Return by get_default_bbox_extra_artists() :
Line2D(_line0)
Spine
Spine
Spine
Spine
XAxis(80.0, 52.8)
YAxis(80.0, 52.8)
Text(0.5, 1.0, '')
Text(0.0, 1.0, '')
Text(1.0, 1.0, '')
Rectangle(xy=(0, 0), width=1, height=1, angle=0)
```

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