Version 3.0.2
matplotlib

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Polar Demo

Demo of a line plot on a polar axis.

==========
Polar Demo
==========

Demo of a line plot on a polar axis.
"""
import numpy as np
import matplotlib.pyplot as plt


r = np.arange(0, 2, 0.01)
theta = 2 * np.pi * r

ax = plt.subplot(111, projection='polar')
ax.plot(theta, r)
ax.set_rmax(2)
ax.set_rticks([0.5, 1, 1.5, 2])  # Less radial ticks
ax.set_rlabel_position(-22.5)  # Move radial labels away from plotted line
ax.grid(True)

ax.set_title("A line plot on a polar axis", va='bottom')
plt.show()
Traceback (most recent call last):
  File "/build/matplotlib-xz4j8t/matplotlib-3.1.2/examples/pie_and_polar_charts/polar_demo.py", line 1
    ==========
    ^
SyntaxError: invalid syntax

References

The use of the following functions, methods, classes and modules is shown in this example:

import matplotlib
matplotlib.axes.Axes.plot
matplotlib.projections.polar
matplotlib.projections.polar.PolarAxes
matplotlib.projections.polar.PolarAxes.set_rticks
matplotlib.projections.polar.PolarAxes.set_rmax
matplotlib.projections.polar.PolarAxes.set_rlabel_position

Keywords: matplotlib code example, codex, python plot, pyplot Gallery generated by Sphinx-Gallery