Demo of scatter plot on a polar axis.
Size increases radially in this example and color increases with angle (just to verify the symbols are being scattered correctly).
import numpy as np
import matplotlib.pyplot as plt
# Fixing random state for reproducibility
np.random.seed(19680801)
# Compute areas and colors
N = 150
r = 2 * np.random.rand(N)
theta = 2 * np.pi * np.random.rand(N)
area = 200 * r**2
colors = theta
ax = plt.subplot(111, projection='polar')
c = ax.scatter(theta, r, c=colors, s=area, cmap='hsv', alpha=0.75)
plt.show()
Total running time of the script: ( 0 minutes 0.021 seconds)