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How to create minor ticks for a polar plot in matplotlib?
To create minor ticks for a polar plot in matplotlib, we can take the following steps
Set the figure size and adjust the padding between and around the subplots.
Create r (radius) and theta data points using numpy.
Add a subplot to the current figure.
Iterate the points between 0 to 360 with step=10 and plot them to get the ticks.
To display the figure, use Show() method.
import numpy as np import matplotlib.pyplot as plt # Set the figure size plt.rcParams["figure.figsize"] = [7.00, 3.50] plt.rcParams["figure.autolayout"] = True # radius and theta for the polar plot r = np.arange(0, 5, 0.1) theta = 2 * np.pi * r # Add a subplot ax = plt.subplot(111, projection='polar') tick = [ax.get_rmax(), ax.get_rmax() * 0.97] # Iterate the points between 0 to 360 with step=10 for t in np.deg2rad(np.arange(0, 360, 10)): ax.plot([t, t], tick, lw=1, color="red") # Display the plot plt.show()
It will produce the following output −
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