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Matplotlib.artist.Artist.get_window_extent() in Python

  • Last Updated : 15 May, 2020

Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Artist class contains Abstract base class for objects that render into a FigureCanvas. All visible elements in a figure are subclasses of Artist.

Matplotlib.artist.Artist.get_window_extent() Method

The get_window_extent() method in artist module of matplotlib library is used to return the axes bounding box in display space.

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Syntax: Artist.get_window_extent(self)



Parameters: This method accepts the following parameters.

  • renderer: This parameter is the RendererBase subclass.

Returns: This method return the figure bounding box in display space.

Below examples illustrate the matplotlib.artist.Artist.get_window_extent() function in matplotlib:

Example 1:




# Implementation of matplotlib function
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.artist import Artist 
  
  
X = np.arange(-10, 10, 1.5)
Y = np.arange(-10, 10, 1.5)
U, V = np.meshgrid(X, Y)
  
fig, ax = plt.subplots()
  
ax.quiver(X, Y, U, V)
  
fig.canvas.draw()  
renderer = fig.canvas.renderer
  
# use of get_window_extent() method
val = Artist.get_window_extent(ax, renderer)
print("Value Return by get_window_extent():")
print(val)
  
fig.suptitle('matplotlib.artist.Artist.get_window_extent() \
function Example', fontweight="bold")
  
plt.show()

Output:

Value Return by get_window_extent():
Bbox(x0=0.0, y0=0.0, x1=0.0, y1=0.0)

Example 2:




# Implementation of matplotlib function
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.artist import Artist 
  
  
xx = np.random.rand(10, 10)
  
fig, ax = plt.subplots()
  
m = ax.pcolor(xx)
m.set_zorder(-20)
  
fig.canvas.draw()  
renderer = fig.canvas.renderer
  
# use of get_window_extent() method
val = Artist.get_window_extent(ax, renderer)
print("Value Return by get_window_extent():")
print(val)
  
fig.suptitle('matplotlib.artist.Artist.get_window_extent() \
function Example', fontweight="bold")
  
plt.show()

Output:

Value Return by get_window_extent():
Bbox(x0=0.0, y0=0.0, x1=0.0, y1=0.0)



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