Matplotlib.axis.Axis.set_gid() function in Python

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Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. It is an amazing visualization library in Python for 2D plots of arrays and used for working with the broader SciPy stack.

Matplotlib.axis.Axis.set_gid() Function

The Axis.set_gid() function in axis module of matplotlib library is used to set the (group) id for the artist.

Syntax: Axis.set_gid(self, gid)

Parameters: This method accepts the following parameters.

gid: This parameter is the string given as gid.

Return value: This method does not return any value.

Below examples illustrate the matplotlib.axis.Axis.set_gid() function in matplotlib.axis:
Example 1:

Python3

# Implementation of matplotlib function 
from matplotlib.axis import Axis 
import numpy as np  
import matplotlib.pyplot as plt  
    
    
y, x = np.mgrid[:5, 1:6]  
poly_coords = [  
    (0.25, 2.75), (3.25, 2.75),  
    (2.25, 0.75), (0.25, 0.75)  
]  
    
fig, ax = plt.subplots()  
    
cells = ax.plot(x, y, x - y, color='green')  
ax.add_patch(  
    plt.Polygon(poly_coords,  
                color='forestgreen',  
                alpha=0.5)  
)  
    
ax.margins(x=0.1, y=0.05)  
ax.set_aspect('equal')  
    
for i, t in enumerate(ax.patches):  
    Axis.set_gid(t, 'patch_% d' % i)  
  
fig.suptitle('matplotlib.axis.Axis.set_gid() \ 
function Example\n', fontweight ="bold")   
    
plt.show()  

Output:

Example 2:

Python3

# Implementation of matplotlib function 
from matplotlib.axis import Axis 
import numpy as np   
import matplotlib.pyplot as plt   
      
       
fig, ax = plt.subplots()   
      
circle = plt.Circle((0, 0), 5, fc ='blue')   
rect = plt.Rectangle((-5, 10), 10, 5, fc ='green')   
      
ax.add_patch(circle)   
ax.add_patch(rect)   
      
circle_tip = ax.annotate('This is a blue circle.',   
        xy =(0, 0),xytext =(30, -30), ha ='left', 
        textcoords ='offset points',color ='w', 
        bbox = dict(boxstyle ='round, pad =.5',    
            fc =(.1, .1, .1, .92), ec =(1., 1., 1.), 
            lw = 1, zorder = 1))   
      
rect_tip = ax.annotate('This is a green rectangle.',   
        xy =(-5, 10), xytext =(30, 40),color ='w',  
        textcoords ='offset points', ha ='left',   
        bbox = dict(boxstyle ='round, pad =.5',   
            fc =(.1, .1, .1, .92), ec =(1., 1., 1.), 
            lw = 1, zorder = 1))   
      
for i, t in enumerate(ax.patches):   
    Axis.set_gid(t, 'patch_% d'% i)   
      
for i, t in enumerate(ax.texts):   
    Axis.set_gid(t, 'tooltip_% d'% i)   
      
ax.set_xlim(-30, 30)   
ax.set_ylim(-30, 30)   
ax.set_aspect('equal') 
  
fig.suptitle('matplotlib.axis.Axis.set_gid() \ 
function Example\n', fontweight ="bold")   
    
plt.show()  