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September 27, 2019 12:25
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Draw rectangular parallelepiped using the opposite vertices (diagonal)
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from mpl_toolkits.mplot3d import Axes3D | |
from mpl_toolkits.mplot3d.art3d import Poly3DCollection | |
import matplotlib.pyplot as plt | |
# x y z | |
a = (1, 1, 1) # p1 | |
b = (2, 2, 2) # p2 | |
x, y, z = 0, 1, 2 | |
vertices = [ | |
# XZ | |
[(a[x], a[y], a[z]), (b[x], a[y], a[z]), (b[x], a[y], b[z]), (a[x], a[y], b[z])], | |
[(a[x], b[y], a[z]), (b[x], b[y], a[z]), (b[x], b[y], b[z]), (a[x], b[y], b[z])], | |
# YZ | |
[(a[x], a[y], a[z]), (a[x], b[y], a[z]), (a[x], b[y], b[z]), (a[x], a[y], b[z])], | |
[(b[x], a[y], a[z]), (b[x], b[y], a[z]), (b[x], b[y], b[z]), (b[x], a[y], b[z])], | |
# XY | |
[(a[x], a[y], a[z]), (b[x], a[y], a[z]), (b[x], b[y], a[z]), (a[x], b[y], a[z])], | |
[(a[x], a[y], b[z]), (b[x], a[y], b[z]), (b[x], b[y], b[z]), (a[x], b[y], b[z])], | |
] | |
fig = plt.figure() | |
ax = fig.add_subplot(111, projection='3d') | |
ax.plot([a[x], b[x]], [a[y], b[y]], [a[z], b[z]], '-r') | |
ax.add_collection3d(Poly3DCollection( | |
vertices, facecolors='cyan', linewidths=1, edgecolors='k', alpha=.2)) | |
plt.show() |
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