Matplotlib.axes.Axes.set_yticklabels() in Python
Last Updated :
30 Jun, 2022
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.set_yticklabels() Function
The Axes.set_yticklabels() function in axes module of matplotlib library is used to Set the y-tick labels with list of string labels.
Syntax: Axes.set_yticklabels(self, labels, fontdict=None, minor=False, **kwargs)
Parameters: This method accepts the following parameters.
- labels : This parameter is the list of string labels.
- fontdict : This parameter is the dictionary controlling the appearance of the ticklabels.
- minor : This parameter is used whether set major ticks or to set minor ticks
Return value: This method returns a list of Text instances.
Below examples illustrate the matplotlib.axes.Axes.set_yticklabels() function in matplotlib.axes:
Example 1:
Python3
import matplotlib.pyplot as plt
import matplotlib.transforms as mtransforms
fig, ax = plt.subplots()
ax.plot( range ( 12 , 24 ), range ( 12 ))
ax.set_yticks(( 2 , 5 , 7 , 10 ))
ax.set_yticklabels(("Label - 1 ", "Label - 2 ",
"Label - 3 ", "Label - 4 "))
fig.suptitle('matplotlib.axes.Axes.set_yticklabels()\
function Example\n\n', fontweight = "bold")
fig.canvas.draw()
plt.show()
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Output:
Example 2:
Python3
import numpy as np
import matplotlib.pyplot as plt
np.random.seed( 19680801 )
x = np.linspace( 0 , 2 * np.pi, 100 )
y = np.sin(x)
y2 = y + 0.2 * np.random.normal(size = x.shape)
fig, ax = plt.subplots()
ax.plot(x, y)
ax.plot(x, y2)
ax.set_yticks([ - 1 , 0 , 1 ])
ax.spines[ 'left' ].set_bounds( - 1 , 1 )
ax.spines[ 'right' ].set_visible( False )
ax.spines[ 'top' ].set_visible( False )
ax.set_yticklabels(("Val - 1 ", "Val - 2 ", "Val - 3 "))
fig.suptitle('matplotlib.axes.Axes.set_yticklabels()\
function Example\n\n', fontweight = "bold")
fig.canvas.draw()
plt.show()
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Output:
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