def test_detector_azimuthal(self):
"""Test that setting an azimuthal angle of a detector results in
different patterns.
"""
det1 = self.detector
# Looking from the detector toward the sample, the left part of
# the detector is closer to the sample than the right part
det2 = det1.deepcopy()
det2.azimuthal = 10
# Looking from the detector toward the sample, the right part of
# the detector is closer to the sample than the left part
det3 = det1.deepcopy()
det3.azimuthal = -10
mp = nickel_ebsd_master_pattern_small(projection="lambert")
r = Rotation.identity()
kwargs = dict(rotations=r, energy=20, compute=True, dtype_out=np.uint8)
sim1 = mp.get_patterns(detector=det1, **kwargs)
sim2 = mp.get_patterns(detector=det2, **kwargs)
sim3 = mp.get_patterns(detector=det3, **kwargs)
assert not np.allclose(sim1.data, sim2.data)
assert np.allclose(sim2.data.mean(), 43.56, atol=1e-2)
assert np.allclose(sim3.data.mean(), 43.39, atol=1e-2)
def test_get_patterns_dtype(self):
r = Rotation.identity()
mp = nickel_ebsd_master_pattern_small(projection="lambert")
dtype_out = np.dtype("float64")
pattern = mp.get_patterns(rotations=r,
detector=self.detector,
energy=20,
dtype_out=dtype_out)
assert pattern.data.dtype == dtype_out