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Matplotlib.artist.Artist.get_path_effects() in Python

  • Last Updated : 10 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_path_effects() method

The get_path_effects() method in artist module of matplotlib library is used to get the property of set_path_effects.

Syntax: Artist.get_path_effects(self)

Parameters: This method does not accepts any parameter.

Returns: This method return the property of set_path_effects.

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

Example 1:




# Implementation of matplotlib function
from matplotlib.artist import Artist  
import matplotlib.pyplot as plt 
import numpy as np 
import matplotlib.patheffects as path_effects 
     
        
fig, ax = plt.subplots() 
t = ax.text(0.02, 0.5
            'GeeksForGeeks',  
            fontsize = 40
            weight = 1000,  
            va ='center'
    
t.set_path_effects([path_effects.PathPatchEffect(offset =(4, -4),  
                                                 hatch ='xxxx'
                                                 facecolor ='gray'), 
                    path_effects.PathPatchEffect(edgecolor ='white'
                                                 linewidth = 1.1
                                                 facecolor ='black')]) 
      
print("Value Return by get_path_effects() : \n"
for i in Artist.get_path_effects(t): 
    print(i)
      
fig.suptitle('matplotlib.artist.Artist.get_path_effects()\
function Example', fontweight ="bold"
  
plt.show()

Output:

python-matplotlib-get-path-effects1

Value Return by get_path_effects() : 

<matplotlib.patheffects.PathPatchEffect object at 0x0AAAB890>
<matplotlib.patheffects.PathPatchEffect object at 0x0AAABA70>

Example 2:




# Implementation of matplotlib function
from matplotlib.artist import Artist  
import matplotlib.pyplot as plt 
import matplotlib.patheffects as PathEffects 
import numpy as np 
    
     
fig, ax1 = plt.subplots() 
ax1.imshow([[1, 2], [2, 3]]) 
txt = ax1.annotate("Fourth"
                   (1., 1.),  
                   (0., 0), 
                   arrowprops = dict(arrowstyle ="->"
                                     connectionstyle ="angle3",
                                     lw = 2), 
                   size = 20,  
                   ha ="center",  
                   path_effects =[PathEffects.withStroke(linewidth = 3
                                                         foreground ="w")]) 
    
txt.arrow_patch.set_path_effects([ 
    PathEffects.Stroke(linewidth = 5, foreground ="w"), 
    PathEffects.Normal()]) 
     
ax1.grid(True, linestyle ="-"
     
pe = [PathEffects.withStroke(linewidth = 3
                             foreground ="w")] 
    
for l in ax1.get_xgridlines() + ax1.get_ygridlines(): 
    l.set_path_effects(pe) 
    
print("Value Return by get_path_effects() : \n"
    
for l in ax1.get_xgridlines() + ax1.get_ygridlines(): 
    for i in Artist.get_path_effects(l):
        print(i)
      
fig.suptitle('matplotlib.artist.Artist.get_path_effects()\
function Example', fontweight ="bold"
  
plt.show()

Output:

python-matplotlib-get-path-effects-2

Value Return by get_path_effects() : 

<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>
<matplotlib.patheffects.withStroke object at 0x0A66DBD0>

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