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DAMASK_EICMD
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mandatory symmetry 

if symmetry is not of interest, damask.Rotation should be used
This commit is contained in:
Martin Diehl 2021-04-06 22:49:08 +02:00
parent d5806075d4
commit bc1454970c
3 changed files with 22 additions and 67 deletions
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35
python/damask/_orientation.py
View File

@ -136,8 +136,7 @@ class Orientation(Rotation):
Rotation.__init__(self) if rotation is None else Rotation.__init__(self,rotation=rotation)
if ( lattice is not None
and lattice not in self.lattice_symmetries
if ( lattice not in self.lattice_symmetries
and lattice not in self.crystal_families):
raise KeyError(f'Lattice "{lattice}" is unknown')
@ -206,7 +205,7 @@ class Orientation(Rotation):
def __repr__(self):
"""Represent."""
return '\n'.join(([] if self.lattice is None else [f'Bravais lattice {self.lattice}'])
+ ([] if self.family is None else [f'Crystal family {self.family}'])
+ ([f'Crystal family {self.family}'])
+ [super().__repr__()])
@ -239,9 +238,7 @@ class Orientation(Rotation):
"""
matching_type = all([hasattr(other,attr) and getattr(self,attr) == getattr(other,attr)
for attr in ['family','lattice','parameters']])
s = self if self.family is None else self.reduced
o = other if other.family is None else other.reduced
return np.logical_and(super(__class__,s).__eq__(o),matching_type)
return np.logical_and(super(__class__,self.reduced).__eq__(other.reduced),matching_type)
def __ne__(self,other):
"""
@ -279,9 +276,7 @@ class Orientation(Rotation):
"""
matching_type = all([hasattr(other,attr) and getattr(self,attr) == getattr(other,attr)
for attr in ['family','lattice','parameters']])
s = self if self.family is None else self.reduced
o = other if other.family is None else other.reduced
return np.logical_and(super(__class__,s).isclose(o),matching_type)
return np.logical_and(super(__class__,self.reduced).isclose(other.reduced),matching_type)
@ -546,9 +541,6 @@ class Orientation(Rotation):
is added to the left of the Rotation array.
"""
if self.family is None:
raise ValueError('Missing crystal symmetry')
o = self.symmetry_operations.broadcast_to(self.symmetry_operations.shape+self.shape,mode='right')
return self.copy(rotation=o*Rotation(self.quaternion).broadcast_to(o.shape,mode='left'))
@ -556,9 +548,6 @@ class Orientation(Rotation):
@property
def reduced(self):
"""Select symmetrically equivalent orientation that falls into fundamental zone according to symmetry."""
if self.family is None:
raise ValueError('Missing crystal symmetry')
eq = self.equivalent
ok = eq.in_FZ
ok &= np.cumsum(ok,axis=0) == 1
@ -587,9 +576,6 @@ class Orientation(Rotation):
https://doi.org/10.1107/S0108767391006864
"""
if self.family is None:
raise ValueError('Missing crystal symmetry')
rho_abs = np.abs(self.as_Rodrigues_vector(compact=True))*(1.-1.e-9)
with np.errstate(invalid='ignore'):
@ -630,9 +616,6 @@ class Orientation(Rotation):
https://doi.org/10.1107/S0108767391006864
"""
if self.family is None:
raise ValueError('Missing crystal symmetry')
rho = self.as_Rodrigues_vector(compact=True)*(1.0-1.0e-9)
with np.errstate(invalid='ignore'):
@ -783,8 +766,6 @@ class Orientation(Rotation):
'beta': np.pi/2.,
'gamma': np.pi/2.,
}
else:
raise KeyError(f'Crystal family "{self.family}" is unknown')
@property
@ -1081,8 +1062,6 @@ class Orientation(Rotation):
Bunge Eulers / deg: (11.40, 21.86, 0.60)
"""
if self.family is None or other.family is None:
raise ValueError('missing crystal symmetry')
if self.family != other.family:
raise NotImplementedError('disorientation between different crystal families')
@ -1139,9 +1118,6 @@ class Orientation(Rotation):
https://doi.org/10.1107/S0021889801003077
"""
if self.family is None:
raise ValueError('Missing crystal symmetry')
eq = self.equivalent
m = eq.misorientation(self[...,0].reshape((1,)+self.shape[:-1]+(1,))
.broadcast_to(eq.shape))\
@ -1183,9 +1159,6 @@ class Orientation(Rotation):
Index of symmetrically equivalent orientation that rotated vector to SST.
"""
if self.family is None:
raise ValueError('Missing crystal symmetry')
eq = self.equivalent
blend = util.shapeblender(eq.shape,np.array(vector).shape[:-1])
poles = eq.broadcast_to(blend,mode='right') @ np.broadcast_to(np.array(vector),blend+(3,))

2
python/tests/test_Config.py
View File

@ -54,6 +54,6 @@ class TestConfig:
def test_abstract_is_complete(self):
assert Config().is_complete is None
@pytest.mark.parametrize('data',[Rotation.from_random(),Orientation.from_random()])
@pytest.mark.parametrize('data',[Rotation.from_random(),Orientation.from_random(lattice='cI')])
def test_rotation_orientation(self,data):
assert str(Config(a=data)) == str(Config(a=data.as_quaternion()))

40
python/tests/test_Orientation.py
View File

@ -37,9 +37,15 @@ class TestOrientation:
assert not ( Orientation(R,lattice) != Orientation(R,lattice) if shape is None else \
(Orientation(R,lattice) != Orientation(R,lattice)).any())
@pytest.mark.parametrize('lattice',Orientation.crystal_families)
@pytest.mark.parametrize('shape',[None,5,(4,6)])
def test_close(self,lattice,shape):
R = Orientation.from_random(lattice=lattice,shape=shape)
assert R.isclose(R.reduced).all() and R.allclose(R.reduced)
@pytest.mark.parametrize('a,b',[
(dict(rotation=[1,0,0,0]),
dict(rotation=[0.5,0.5,0.5,0.5])),
(dict(rotation=[1,0,0,0],lattice='triclinic'),
dict(rotation=[0.5,0.5,0.5,0.5],lattice='triclinic')),
(dict(rotation=[1,0,0,0],lattice='cubic'),
dict(rotation=[1,0,0,0],lattice='hexagonal')),
@ -335,33 +341,9 @@ class TestOrientation:
o.family = invalid_family
o.symmetry_operations # noqa
def test_missing_symmetry_equivalent(self):
with pytest.raises(ValueError):
Orientation(lattice=None).equivalent # noqa
def test_missing_symmetry_reduced(self):
with pytest.raises(ValueError):
Orientation(lattice=None).reduced # noqa
def test_missing_symmetry_in_FZ(self):
with pytest.raises(ValueError):
Orientation(lattice=None).in_FZ # noqa
def test_missing_symmetry_in_disorientation_FZ(self):
with pytest.raises(ValueError):
Orientation(lattice=None).in_disorientation_FZ # noqa
def test_missing_symmetry_disorientation(self):
with pytest.raises(ValueError):
Orientation(lattice=None).disorientation(Orientation(lattice=None)) # noqa
def test_missing_symmetry_average(self):
with pytest.raises(ValueError):
Orientation(lattice=None).average() # noqa
def test_missing_symmetry_to_SST(self):
with pytest.raises(ValueError):
Orientation(lattice=None).to_SST(np.zeros(3)) # noqa
def test_invalid_rot(self):
with pytest.raises(TypeError):
Orientation.from_random(lattice='cubic') * np.ones(3)
def test_missing_symmetry_immutable(self):
with pytest.raises(KeyError):