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48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
from numpy.testing import *
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from unwrap2D import unwrap2D
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import numpy as np
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from numpy import outer, arange, ones, abs, empty, power, indices
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def test_unwrap2D():
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nx, ny = 64, 64
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x = np.arange(nx)
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y = np.arange(ny)
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x.shape = (1,-1)
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y.shape = (-1,1)
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z = np.exp(1j*x*0.5) * np.exp(1j*y*0.1)
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phi_w = np.angle(z)
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mask = 255*np.ones((nx, ny), dtype = np.uint8)
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phi = unwrap2D(phi_w.astype(np.float32), mask)
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return phi_w, phi
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# class test_unwrap(TestCase):
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# def test_simple2d(self, level=1):
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# grid = outer(ones(64), arange(-32,32)) + \
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# 1.j * outer(arange(-32,32), ones(64))
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# pgrid = abs(grid)
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# wr_grid = normalize_angle(pgrid)
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# uw_grid = unwrap2D(wr_grid)
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# uw_grid += (pgrid[32,32] - uw_grid[32,32])
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# assert_array_almost_equal(pgrid, uw_grid, decimal=5)
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# def test_simple3d(self):
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# grid = indices((64,64,64))
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# grid[0] -= 32
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# grid[1] -= 32
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# grid[2] -= 32
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# # get distance of each point in the grid from 0
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# grid = power(power(grid, 2.0).sum(axis=0), 0.5)
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# wr_grid = normalize_angle(grid)
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# uw_grid = unwrap3D(wr_grid)
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# uw_grid += (grid[32,32,32] - uw_grid[32,32,32])
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# assert_array_almost_equal(grid, uw_grid, decimal=5)
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if __name__=="__main__":
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#NumpyTest().run()
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p,p2 = test_unwrap2D()
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