537 lines
28 KiB
Python
537 lines
28 KiB
Python
import pytest
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import numpy as np
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from itertools import permutations
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from damask import Rotation
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from damask import Orientation
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from damask import Table
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from damask import lattice
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from damask import util
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@pytest.fixture
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def reference_dir(reference_dir_base):
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"""Directory containing reference results."""
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return reference_dir_base/'Orientation'
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@pytest.fixture
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def set_of_rodrigues(set_of_quaternions):
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return Rotation(set_of_quaternions).as_Rodrigues_vector()[:200]
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class TestOrientation:
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('shape',[None,5,(4,6)])
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def test_equal(self,lattice,shape):
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R = Rotation.from_random(shape)
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assert Orientation(R,lattice) == Orientation(R,lattice)
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('shape',[None,5,(4,6)])
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def test_unequal(self,lattice,shape):
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R = Rotation.from_random(shape)
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assert not(Orientation(R,lattice) != Orientation(R,lattice))
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@pytest.mark.parametrize('a,b',[
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(dict(rotation=[1,0,0,0]),
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dict(rotation=[0.5,0.5,0.5,0.5])),
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(dict(rotation=[1,0,0,0],lattice='cubic'),
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dict(rotation=[1,0,0,0],lattice='hexagonal')),
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(dict(rotation=[1,0,0,0],lattice='cF',a=1),
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dict(rotation=[1,0,0,0],lattice='cF',a=2)),
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])
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def test_nonequal(self,a,b):
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assert Orientation(**a) != Orientation(**b)
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@pytest.mark.parametrize('kwargs',[
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dict(lattice='aP', alpha=np.pi/4,beta=np.pi/3, ),
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dict(lattice='mP', c=1.2,alpha=np.pi/4, gamma=np.pi/2),
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dict(lattice='oP', c=1.2,alpha=np.pi/4, ),
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dict(lattice='oS',a=1.0, c=2.0,alpha=np.pi/2,beta=np.pi/3, ),
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dict(lattice='tP',a=1.0,b=1.2, ),
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dict(lattice='tI', alpha=np.pi/3, ),
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dict(lattice='hP', gamma=np.pi/2),
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dict(lattice='cI',a=1.0, c=2.0,alpha=np.pi/2,beta=np.pi/2, ),
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dict(lattice='cF', beta=np.pi/3, ),
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])
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def test_invalid_init(self,kwargs):
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with pytest.raises(ValueError):
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Orientation(**kwargs).parameters # noqa
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@pytest.mark.parametrize('kwargs',[
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dict(lattice='aP',a=1.0,b=1.1,c=1.2,alpha=np.pi/4,beta=np.pi/3,gamma=np.pi/2),
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dict(lattice='mP',a=1.0,b=1.1,c=1.2, beta=np.pi/3 ),
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dict(lattice='oS',a=1.0,b=1.1,c=1.2, ),
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dict(lattice='tI',a=1.0, c=1.2, ),
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dict(lattice='hP',a=1.0 ),
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dict(lattice='cI',a=1.0, ),
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])
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def test_repr(self,kwargs):
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o = Orientation.from_random(**kwargs)
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assert isinstance(o.__repr__(),str)
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@pytest.mark.parametrize('kwargs',[
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dict(lattice='aP',a=1.0,b=1.1,c=1.2,alpha=np.pi/4,beta=np.pi/3,gamma=np.pi/2),
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dict(lattice='mP',a=1.0,b=1.1,c=1.2, beta=np.pi/3 ),
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dict(lattice='oS',a=1.0,b=1.1,c=1.2, ),
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dict(lattice='tI',a=1.0, c=1.2, ),
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dict(lattice='hP',a=1.0 ),
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dict(lattice='cI',a=1.0, ),
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])
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def test_copy(self,kwargs):
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o = Orientation.from_random(**kwargs)
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p = o.copy(rotation=Rotation.from_random())
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assert o != p
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def test_from_quaternion(self):
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assert np.all(Orientation.from_quaternion(q=np.array([1,0,0,0]),lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_Euler_angles(self):
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assert np.all(Orientation.from_Euler_angles(phi=np.zeros(3),lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_axis_angle(self):
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assert np.all(Orientation.from_axis_angle(axis_angle=[1,0,0,0],lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_basis(self):
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assert np.all(Orientation.from_basis(basis=np.eye(3),lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_matrix(self):
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assert np.all(Orientation.from_matrix(R=np.eye(3),lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_Rodrigues_vector(self):
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assert np.all(Orientation.from_Rodrigues_vector(rho=np.array([0,0,1,0]),lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_homochoric(self):
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assert np.all(Orientation.from_homochoric(h=np.zeros(3),lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_cubochoric(self):
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assert np.all(Orientation.from_cubochoric(c=np.zeros(3),lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_spherical_component(self):
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assert np.all(Orientation.from_spherical_component(center=Rotation(),
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sigma=0.0,N=1,lattice='triclinic').as_matrix()
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== np.eye(3))
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def test_from_fiber_component(self):
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r = Rotation.from_fiber_component(alpha=np.zeros(2),beta=np.zeros(2),
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sigma=0.0,N=1,rng_seed=0)
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assert np.all(Orientation.from_fiber_component(alpha=np.zeros(2),beta=np.zeros(2),
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sigma=0.0,N=1,rng_seed=0,lattice='triclinic').quaternion
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== r.quaternion)
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@pytest.mark.parametrize('kwargs',[
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dict(lattice='aP',a=1.0,b=1.1,c=1.2,alpha=np.pi/4.5,beta=np.pi/3.5,gamma=np.pi/2.5),
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dict(lattice='mP',a=1.0,b=1.1,c=1.2, beta=np.pi/3.5),
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dict(lattice='oS',a=1.0,b=1.1,c=1.2,),
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dict(lattice='tI',a=1.0, c=1.2,),
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dict(lattice='hP',a=1.0 ),
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dict(lattice='cI',a=1.0, ),
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])
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def test_from_direction(self,kwargs):
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for a,b in np.random.random((10,2,3)):
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c = np.cross(b,a)
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if np.all(np.isclose(c,0)): continue
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o = Orientation.from_directions(uvw=a,hkl=c,**kwargs)
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x = o.to_pole(uvw=a)
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z = o.to_pole(hkl=c)
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assert np.isclose(np.dot(x/np.linalg.norm(x),np.array([1,0,0])),1) \
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and np.isclose(np.dot(z/np.linalg.norm(z),np.array([0,0,1])),1)
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def test_negative_angle(self):
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with pytest.raises(ValueError):
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Orientation(lattice='aP',a=1,b=2,c=3,alpha=45,beta=45,gamma=-45,degrees=True) # noqa
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def test_excess_angle(self):
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with pytest.raises(ValueError):
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Orientation(lattice='aP',a=1,b=2,c=3,alpha=45,beta=45,gamma=90.0001,degrees=True) # noqa
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('angle',[10,20,30,40])
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def test_average(self,angle,lattice):
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o = Orientation.from_axis_angle(lattice=lattice,axis_angle=[[0,0,1,10],[0,0,1,angle]],degrees=True)
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avg_angle = o.average().as_axis_angle(degrees=True,pair=True)[1]
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assert np.isclose(avg_angle,10+(angle-10)/2.)
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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def test_reduced_equivalent(self,lattice):
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i = Orientation(lattice=lattice)
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o = Orientation.from_random(lattice=lattice)
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eq = o.equivalent
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FZ = np.argmin(abs(eq.misorientation(i.broadcast_to(len(eq))).as_axis_angle(pair=True)[1]))
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assert o.reduced == eq[FZ]
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('N',[1,8,32])
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def test_disorientation(self,lattice,N):
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o = Orientation.from_random(lattice=lattice,shape=N)
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p = Orientation.from_random(lattice=lattice,shape=N)
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d,ops = o.disorientation(p,return_operators=True)
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for n in range(N):
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assert np.allclose(d[n].as_quaternion(),
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o[n].equivalent[ops[n][0]]
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.misorientation(p[n].equivalent[ops[n][1]])
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.as_quaternion()) \
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or np.allclose((~d)[n].as_quaternion(),
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o[n].equivalent[ops[n][0]]
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.misorientation(p[n].equivalent[ops[n][1]])
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.as_quaternion())
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('a,b',[
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((2,3,2),(2,3,2)),
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((2,2),(4,4)),
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((3,1),(1,3)),
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(None,None),
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])
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def test_disorientation_blending(self,lattice,a,b):
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o = Orientation.from_random(lattice=lattice,shape=a)
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p = Orientation.from_random(lattice=lattice,shape=b)
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blend = util.shapeblender(o.shape,p.shape)
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for loc in np.random.randint(0,blend,(10,len(blend))):
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assert o[tuple(loc[:len(o.shape)])].disorientation(p[tuple(loc[-len(p.shape):])]) \
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== o.disorientation(p)[tuple(loc)]
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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def test_disorientation360(self,lattice):
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o_1 = Orientation(Rotation(),lattice)
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o_2 = Orientation.from_Euler_angles(lattice=lattice,phi=[360,0,0],degrees=True)
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assert np.allclose((o_1.disorientation(o_2)).as_matrix(),np.eye(3))
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('shape',[(1),(2,3),(4,3,2)])
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def test_reduced_vectorization(self,lattice,shape):
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o = Orientation.from_random(lattice=lattice,shape=shape)
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for r, theO in zip(o.reduced.flatten(),o.flatten()):
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assert r == theO.reduced
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('shape',[(1),(2,3),(4,3,2)])
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@pytest.mark.parametrize('vector',np.array([[1,0,0],[1,2,3],[-1,1,-1]]))
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@pytest.mark.parametrize('proper',[True,False])
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def test_to_SST_vectorization(self,lattice,shape,vector,proper):
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o = Orientation.from_random(lattice=lattice,shape=shape)
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for r, theO in zip(o.to_SST(vector=vector,proper=proper).reshape((-1,3)),o.flatten()):
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assert np.allclose(r,theO.to_SST(vector=vector,proper=proper))
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('shape',[(1),(2,3),(4,3,2)])
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@pytest.mark.parametrize('vector',np.array([[1,0,0],[1,2,3],[-1,1,-1]]))
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@pytest.mark.parametrize('proper',[True,False])
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def test_IPF_color_vectorization(self,lattice,shape,vector,proper):
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o = Orientation.from_random(lattice=lattice,shape=shape)
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poles = o.to_SST(vector=vector,proper=proper)
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for r, theO in zip(o.IPF_color(poles,proper=proper).reshape((-1,3)),o.flatten()):
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assert np.allclose(r,theO.IPF_color(theO.to_SST(vector=vector,proper=proper),proper=proper))
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('a,b',[
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((2,3,2),(2,3,2)),
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((2,2),(4,4)),
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((3,1),(1,3)),
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(None,(3,)),
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])
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def test_to_SST_blending(self,lattice,a,b):
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o = Orientation.from_random(lattice=lattice,shape=a)
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v = np.random.random(b+(3,))
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blend = util.shapeblender(o.shape,b)
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for loc in np.random.randint(0,blend,(10,len(blend))):
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print(f'{a}/{b} @ {loc}')
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print(o[tuple(loc[:len(o.shape)])].to_SST(v[tuple(loc[-len(b):])]))
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print(o.to_SST(v)[tuple(loc)])
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assert np.allclose(o[tuple(loc[:len(o.shape)])].to_SST(v[tuple(loc[-len(b):])]),
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o.to_SST(v)[tuple(loc)])
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@pytest.mark.parametrize('color',[{'label':'red', 'RGB':[1,0,0],'direction':[0,0,1]},
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{'label':'green','RGB':[0,1,0],'direction':[0,1,1]},
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{'label':'blue', 'RGB':[0,0,1],'direction':[1,1,1]}])
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@pytest.mark.parametrize('proper',[True,False])
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def test_IPF_cubic(self,color,proper):
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cube = Orientation(lattice='cubic')
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for direction in set(permutations(np.array(color['direction']))):
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assert np.allclose(np.array(color['RGB']),
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cube.IPF_color(cube.to_SST(vector=np.array(direction),proper=proper),proper=proper))
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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@pytest.mark.parametrize('proper',[True,False])
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def test_IPF_equivalent(self,set_of_quaternions,lattice,proper):
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direction = np.random.random(3)*2.0-1.0
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o = Orientation(rotation=set_of_quaternions,lattice=lattice).equivalent
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color = o.IPF_color(o.to_SST(vector=direction,proper=proper),proper=proper)
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assert np.allclose(np.broadcast_to(color[0,...],color.shape),color)
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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def test_in_FZ_vectorization(self,set_of_rodrigues,lattice):
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result = Orientation.from_Rodrigues_vector(rho=set_of_rodrigues.reshape((50,4,-1)),lattice=lattice).in_FZ.reshape(-1)
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for r,rho in zip(result,set_of_rodrigues[:len(result)]):
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assert r == Orientation.from_Rodrigues_vector(rho=rho,lattice=lattice).in_FZ
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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def test_in_disorientation_FZ_vectorization(self,set_of_rodrigues,lattice):
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result = Orientation.from_Rodrigues_vector(rho=set_of_rodrigues.reshape((50,4,-1)),
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lattice=lattice).in_disorientation_FZ.reshape(-1)
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for r,rho in zip(result,set_of_rodrigues[:len(result)]):
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assert r == Orientation.from_Rodrigues_vector(rho=rho,lattice=lattice).in_disorientation_FZ
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@pytest.mark.parametrize('proper',[True,False])
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@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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def test_in_SST_vectorization(self,lattice,proper):
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vecs = np.random.rand(20,4,3)
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result = Orientation(lattice=lattice).in_SST(vecs,proper).flatten()
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for r,v in zip(result,vecs.reshape((-1,3))):
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assert np.all(r == Orientation(lattice=lattice).in_SST(v,proper))
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@pytest.mark.parametrize('invalid_lattice',['fcc','bcc','hello'])
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def test_invalid_lattice_init(self,invalid_lattice):
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with pytest.raises(KeyError):
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Orientation(lattice=invalid_lattice) # noqa
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@pytest.mark.parametrize('invalid_family',[None,'fcc','bcc','hello'])
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def test_invalid_symmetry_family(self,invalid_family):
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with pytest.raises(KeyError):
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o = Orientation(lattice='cubic')
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o.family = invalid_family
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o.symmetry_operations # noqa
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def test_missing_symmetry_equivalent(self):
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with pytest.raises(ValueError):
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Orientation(lattice=None).equivalent # noqa
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def test_missing_symmetry_reduced(self):
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with pytest.raises(ValueError):
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Orientation(lattice=None).reduced # noqa
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def test_missing_symmetry_in_FZ(self):
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with pytest.raises(ValueError):
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Orientation(lattice=None).in_FZ # noqa
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def test_missing_symmetry_in_disorientation_FZ(self):
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with pytest.raises(ValueError):
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Orientation(lattice=None).in_disorientation_FZ # noqa
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def test_missing_symmetry_disorientation(self):
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with pytest.raises(ValueError):
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Orientation(lattice=None).disorientation(Orientation(lattice=None)) # noqa
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def test_missing_symmetry_average(self):
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with pytest.raises(ValueError):
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Orientation(lattice=None).average() # noqa
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def test_missing_symmetry_to_SST(self):
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with pytest.raises(ValueError):
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Orientation(lattice=None).to_SST(np.zeros(3)) # noqa
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def test_missing_symmetry_immutable(self):
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with pytest.raises(KeyError):
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Orientation(lattice=None).immutable # noqa
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def test_missing_symmetry_basis_real(self):
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with pytest.raises(KeyError):
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Orientation(lattice=None).basis_real # noqa
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def test_missing_symmetry_basis_reciprocal(self):
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with pytest.raises(KeyError):
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Orientation(lattice=None).basis_reciprocal # noqa
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def test_double_Bravais_to_Miller(self):
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with pytest.raises(KeyError):
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Orientation.Bravais_to_Miller(uvtw=np.ones(4),hkil=np.ones(4)) # noqa
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def test_double_Miller_to_Bravais(self):
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with pytest.raises(KeyError):
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Orientation.Miller_to_Bravais(uvw=np.ones(4),hkl=np.ones(4)) # noqa
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def test_double_to_lattice(self):
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with pytest.raises(KeyError):
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Orientation().to_lattice(direction=np.ones(3),plane=np.ones(3)) # noqa
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|
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def test_double_to_frame(self):
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with pytest.raises(KeyError):
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Orientation().to_frame(uvw=np.ones(3),hkl=np.ones(3)) # noqa
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|
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@pytest.mark.parametrize('relation',[None,'Peter','Paul'])
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def test_unknown_relation(self,relation):
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with pytest.raises(KeyError):
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Orientation(lattice='cF').related(relation) # noqa
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|
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@pytest.mark.parametrize('relation,lattice,a,b,c,alpha,beta,gamma',
|
|
[
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|
('Bain', 'aP',0.5,2.0,3.0,0.8,0.5,1.2),
|
|
('KS', 'mP',1.0,2.0,3.0,np.pi/2,0.5,np.pi/2),
|
|
('Pitsch', 'oI',0.5,1.5,3.0,np.pi/2,np.pi/2,np.pi/2),
|
|
('Burgers','tP',0.5,0.5,3.0,np.pi/2,np.pi/2,np.pi/2),
|
|
('GT', 'hP',1.0,None,1.6,np.pi/2,np.pi/2,2*np.pi/3),
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|
('Burgers','cF',1.0,1.0,None,np.pi/2,np.pi/2,np.pi/2),
|
|
])
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def test_unknown_relation_lattice(self,relation,lattice,a,b,c,alpha,beta,gamma):
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|
with pytest.raises(KeyError):
|
|
Orientation(lattice=lattice,
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|
a=a,b=b,c=c,
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|
alpha=alpha,beta=beta,gamma=gamma).related(relation) # noqa
|
|
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|
@pytest.mark.parametrize('lattice',Orientation.crystal_families)
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|
@pytest.mark.parametrize('proper',[True,False])
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def test_in_SST(self,lattice,proper):
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assert Orientation(lattice=lattice).in_SST(np.zeros(3),proper)
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|
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|
@pytest.mark.parametrize('function',['in_SST','IPF_color'])
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|
def test_invalid_argument(self,function):
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|
o = Orientation(lattice='cubic') # noqa
|
|
with pytest.raises(ValueError):
|
|
eval(f'o.{function}(np.ones(4))')
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|
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|
@pytest.mark.parametrize('model',lattice.relations)
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|
def test_relationship_definition(self,model):
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|
m,o = list(lattice.relations[model])
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assert lattice.relations[model][m].shape[:-1] == lattice.relations[model][o].shape[:-1]
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|
|
|
@pytest.mark.parametrize('model',['Bain','KS','GT','GT_prime','NW','Pitsch'])
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|
@pytest.mark.parametrize('lattice',['cF','cI'])
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|
def test_relationship_vectorize(self,set_of_quaternions,lattice,model):
|
|
r = Orientation(rotation=set_of_quaternions[:200].reshape((50,4,4)),lattice=lattice).related(model)
|
|
for i in range(200):
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|
assert r.reshape((-1,200))[:,i] == Orientation(set_of_quaternions[i],lattice).related(model)
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|
|
|
@pytest.mark.parametrize('model',['Bain','KS','GT','GT_prime','NW','Pitsch'])
|
|
@pytest.mark.parametrize('lattice',['cF','cI'])
|
|
def test_relationship_forward_backward(self,model,lattice):
|
|
o = Orientation.from_random(lattice=lattice)
|
|
for i,r in enumerate(o.related(model)):
|
|
assert o.disorientation(r.related(model)[i]).as_axis_angle(degrees=True,pair=True)[1]<1.0e-5
|
|
|
|
@pytest.mark.parametrize('model',['Bain','KS','GT','GT_prime','NW','Pitsch'])
|
|
@pytest.mark.parametrize('lattice',['cF','cI'])
|
|
def test_relationship_reference(self,update,reference_dir,model,lattice):
|
|
reference = reference_dir/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_basis_real(self):
|
|
for gamma in np.random.random(2**8)*np.pi:
|
|
basis = np.tril(np.random.random((3,3))+1e-6)
|
|
basis[1,:2] = basis[1,1]*np.array([np.cos(gamma),np.sin(gamma)])
|
|
basis[2,:2] = basis[2,:2]*2-1
|
|
lengths = np.linalg.norm(basis,axis=-1)
|
|
cosines = np.roll(np.einsum('ij,ij->i',basis,np.roll(basis,1,axis=0))/lengths/np.roll(lengths,1),1)
|
|
o = Orientation.from_random(lattice='aP',
|
|
**dict(zip(['a','b','c'],lengths)),
|
|
**dict(zip(['alpha','beta','gamma'],np.arccos(cosines))),
|
|
)
|
|
assert np.allclose(o.to_frame(uvw=np.eye(3)),basis), 'Lattice basis disagrees with initialization'
|
|
|
|
@pytest.mark.parametrize('lattice,a,b,c,alpha,beta,gamma',
|
|
[
|
|
('aP',0.5,2.0,3.0,0.8,0.5,1.2),
|
|
('mP',1.0,2.0,3.0,np.pi/2,0.5,np.pi/2),
|
|
('oI',0.5,1.5,3.0,np.pi/2,np.pi/2,np.pi/2),
|
|
('tP',0.5,0.5,3.0,np.pi/2,np.pi/2,np.pi/2),
|
|
('hP',1.0,None,1.6,np.pi/2,np.pi/2,2*np.pi/3),
|
|
('cF',1.0,1.0,None,np.pi/2,np.pi/2,np.pi/2),
|
|
])
|
|
def test_bases_contraction(self,lattice,a,b,c,alpha,beta,gamma):
|
|
L = Orientation(lattice=lattice,
|
|
a=a,b=b,c=c,
|
|
alpha=alpha,beta=beta,gamma=gamma)
|
|
assert np.allclose(np.eye(3),np.einsum('ik,jk',L.basis_real,L.basis_reciprocal))
|
|
|
|
@pytest.mark.parametrize('keyFrame,keyLattice',[('uvw','direction'),('hkl','plane'),])
|
|
@pytest.mark.parametrize('vector',np.array([
|
|
[1.,1.,1.],
|
|
[-2.,3.,0.5],
|
|
[0.,0.,1.],
|
|
[1.,1.,1.],
|
|
[2.,2.,2.],
|
|
[0.,1.,1.],
|
|
]))
|
|
@pytest.mark.parametrize('lattice,a,b,c,alpha,beta,gamma',
|
|
[
|
|
('aP',0.5,2.0,3.0,0.8,0.5,1.2),
|
|
('mP',1.0,2.0,3.0,np.pi/2,0.5,np.pi/2),
|
|
('oI',0.5,1.5,3.0,np.pi/2,np.pi/2,np.pi/2),
|
|
('tP',0.5,0.5,3.0,np.pi/2,np.pi/2,np.pi/2),
|
|
('hP',1.0,1.0,1.6,np.pi/2,np.pi/2,2*np.pi/3),
|
|
('cF',1.0,1.0,1.0,np.pi/2,np.pi/2,np.pi/2),
|
|
])
|
|
def test_to_frame_to_lattice(self,lattice,a,b,c,alpha,beta,gamma,vector,keyFrame,keyLattice):
|
|
L = Orientation(lattice=lattice,
|
|
a=a,b=b,c=c,
|
|
alpha=alpha,beta=beta,gamma=gamma)
|
|
assert np.allclose(vector,
|
|
L.to_frame(**{keyFrame:L.to_lattice(**{keyLattice:vector})}))
|
|
|
|
@pytest.mark.parametrize('vector',np.array([
|
|
[1,0,0],
|
|
[1,1,0],
|
|
[1,1,1],
|
|
[1,0,-2],
|
|
]))
|
|
@pytest.mark.parametrize('kw_Miller,kw_Bravais',[('uvw','uvtw'),('hkl','hkil')])
|
|
def test_Miller_Bravais_Miller(self,vector,kw_Miller,kw_Bravais):
|
|
assert np.all(vector == Orientation.Bravais_to_Miller(**{kw_Bravais:Orientation.Miller_to_Bravais(**{kw_Miller:vector})}))
|
|
|
|
@pytest.mark.parametrize('vector',np.array([
|
|
[1,0,-1,2],
|
|
[1,-1,0,3],
|
|
[1,1,-2,-3],
|
|
[0,0,0,1],
|
|
]))
|
|
@pytest.mark.parametrize('kw_Miller,kw_Bravais',[('uvw','uvtw'),('hkl','hkil')])
|
|
def test_Bravais_Miller_Bravais(self,vector,kw_Miller,kw_Bravais):
|
|
assert np.all(vector == Orientation.Miller_to_Bravais(**{kw_Miller:Orientation.Bravais_to_Miller(**{kw_Bravais:vector})}))
|
|
|
|
@pytest.mark.parametrize('lattice,a,b,c,alpha,beta,gamma',
|
|
[
|
|
('aP',0.5,2.0,3.0,0.8,0.5,1.2),
|
|
('mP',1.0,2.0,3.0,np.pi/2,0.5,np.pi/2),
|
|
('oI',0.5,1.5,3.0,np.pi/2,np.pi/2,np.pi/2),
|
|
('tP',0.5,0.5,3.0,np.pi/2,np.pi/2,np.pi/2),
|
|
('hP',1.0,1.0,1.6,np.pi/2,np.pi/2,2*np.pi/3),
|
|
('cF',1.0,1.0,1.0,np.pi/2,np.pi/2,np.pi/2),
|
|
])
|
|
|
|
@pytest.mark.parametrize('kw',['uvw','hkl'])
|
|
@pytest.mark.parametrize('with_symmetry',[False,True])
|
|
@pytest.mark.parametrize('shape',[None,1,(12,24)])
|
|
@pytest.mark.parametrize('vector',[
|
|
np.random.random( 3 ),
|
|
np.random.random( (4,3)),
|
|
np.random.random((4,8,3)),
|
|
])
|
|
def test_to_pole(self,shape,lattice,a,b,c,alpha,beta,gamma,vector,kw,with_symmetry):
|
|
o = Orientation.from_random(shape=shape,
|
|
lattice=lattice,
|
|
a=a,b=b,c=c,
|
|
alpha=alpha,beta=beta,gamma=gamma)
|
|
assert o.to_pole(**{kw:vector,'with_symmetry':with_symmetry}).shape \
|
|
== o.shape + (o.symmetry_operations.shape if with_symmetry else ()) + vector.shape
|
|
|
|
@pytest.mark.parametrize('lattice',['hP','cI','cF'])
|
|
def test_Schmid(self,update,reference_dir,lattice):
|
|
L = Orientation(lattice=lattice)
|
|
for mode in L.kinematics:
|
|
reference = reference_dir/f'{lattice}_{mode}.txt'
|
|
P = L.Schmid(mode)
|
|
if update:
|
|
table = Table(P.reshape(-1,9),{'Schmid':(3,3,)})
|
|
table.save(reference)
|
|
assert np.allclose(P,Table.load(reference).get('Schmid'))
|