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# Untitled

a guest Dec 9th, 2018 59 Never
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1. X       Y       Z
2. 0   0.65612 0.53440 0.24175
3. 1   0.62279 0.51946 0.25744
4. 2   0.61216 0.53959 0.26394
5.
6. import numpy as np
7. import matplotlib.pyplot as plt
8. from mpl_toolkits.mplot3d import Axes3D
9.
10. points = [[0.65612, 0.53440, 0.24175],
11.            [0.62279, 0.51946, 0.25744],
12.            [0.61216, 0.53959, 0.26394]]
13.
14. p0, p1, p2 = points
15. x0, y0, z0 = p0
16. x1, y1, z1 = p1
17. x2, y2, z2 = p2
18.
19. ux, uy, uz = u = [x1-x0, y1-y0, z1-z0]
20. vx, vy, vz = v = [x2-x0, y2-y0, z2-z0]
21.
22. u_cross_v = [uy*vz-uz*vy, uz*vx-ux*vz, ux*vy-uy*vx]
23.
24. point  = np.array(p0)
25. normal = np.array(u_cross_v)
26.
27. d = -point.dot(normal)
28.
29. xx, yy = np.meshgrid(range(10), range(10))
30.
31. z = (-normal[0] * xx - normal[1] * yy - d) * 1. / normal[2]
32.
33. # plot the surface
34. plt3d = plt.figure().gca(projection='3d')
35. plt3d.plot_surface(xx, yy, z)
36. plt.show()
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