Python-Matplotlib 23 形状

Python-Matplotlib 23 形状

 

EG1:

import numpy as np
import matplotlib.pyplot as plt
import matplotlib.patches as mpatches


fig, ax = plt.subplots()
xy1 = np.array([0.2 , 0.2])
xy2 = np.array([0.2, 0.8])
xy3 = np.array([0.6 , 0.2])
xy4 = np.array([0.6, 0.8])
print(xy1)
circle = mpatches.Circle(xy1 , 0.05)
ax.add_patch(circle)

rect = mpatches.Rectangle(xy2 , 0.2 , 0.1 , color='r')
ax.add_patch(rect)

polygon = mpatches.RegularPolygon(xy3 , 10 , 0.1, color='g') # arg1-4 : position , regular nums , radius , color
ax.add_patch(polygon)

ellipse = mpatches.Ellipse(xy4, 0.3 , 0.2 , color='y')  # arg1-4 : position , log radius , short radius , color
ax.add_patch(ellipse)
#ax.axis('equal') # circle , otherwise
plt.show()