iframe-proxy | Sunbelt Computer Software

33 lines (26 loc) · 833 Bytes

"""

===========

Join styles

===========

Illustrate the three different join styles

"""

import numpy as np

import matplotlib.pyplot as plt

def plot_angle(ax, x, y, angle, style):

phi = np.radians(angle)

xx = [x + .5, x, x + .5*np.cos(phi)]

yy = [y, y, y + .5*np.sin(phi)]

ax.plot(xx, yy, lw=8, color='blue', solid_joinstyle=style)

ax.plot(xx[1:], yy[1:], lw=1, color='black')

ax.plot(xx[1::-1], yy[1::-1], lw=1, color='black')

ax.plot(xx[1:2], yy[1:2], 'o', color='red', markersize=3)

ax.text(x, y + .2, '%.0f degrees' % angle)

fig, ax = plt.subplots()

ax.set_title('Join style')

for x, style in enumerate((('miter', 'round', 'bevel'))):

ax.text(x, 5, style)

for i in range(5):

plot_angle(ax, x, i, pow(2.0, 3 + i), style)

ax.set_xlim(-.5, 2.75)

ax.set_ylim(-.5, 5.5)

plt.show()

Sunbelt Computer Software