def test_relationship_reference(self, update, ref_path, model, lattice):
reference = ref_path / f'{lattice}_{model}.txt'
o = Orientation(lattice=lattice)
eu = o.related(model).as_Euler_angles(degrees=True)
if update:
coords = np.array([(1, i + 1) for i, x in enumerate(eu)])
Table(eu,{'Eulers':(3,)})\
.add('pos',coords)\
.save(reference)
assert np.allclose(eu, Table.load(reference).get('Eulers'))
def test_relationship_reference(self, update, reference_dir, model,
lattice):
reference = os.path.join(reference_dir, f'{lattice}_{model}.txt')
ori = Orientation(Rotation(), lattice)
eu = np.array(
[o.rotation.as_Eulers(degrees=True) for o in ori.related(model)])
if update:
coords = np.array([(1, i + 1) for i, x in enumerate(eu)])
table = Table(eu, {'Eulers': (3, )})
table = table.add('pos', coords)
table.save(reference)
assert np.allclose(eu, Table.load(reference).get('Eulers'))
def test_relationship_forward_backward(self, model, lattice):
ori = Orientation(Rotation.from_random(), lattice)
for i, r in enumerate(ori.related(model)):
ori2 = r.related(model)[i]
misorientation = ori.rotation.misorientation(ori2.rotation)
assert misorientation.as_axis_angle(degrees=True)[3] < 1.0e-5
