/usr/lib/python2.7/dist-packages/dipy/testing/spherepoints.py is in python-dipy 0.10.1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | ''' Create example sphere points '''
import numpy as np
def _make_pts():
''' Make points around sphere quadrants '''
thetas = np.arange(1,4) * np.pi/4
phis = np.arange(8) * np.pi/4
north_pole = (0,0,1)
south_pole = (0,0,-1)
points = [north_pole, south_pole]
for theta in thetas:
for phi in phis:
x = np.sin(theta) * np.cos(phi)
y = np.sin(theta) * np.sin(phi)
z = np.cos(theta)
points.append((x,y,z))
return np.array(points)
sphere_points = _make_pts()
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