better not have a "Lattice" object with "lattice" parameter

python/damask/__init__.py

@@ -18,7 +18,7 @@ from .                 import grid_filters     # noqa
 #For example, '_colormap' containsa class called 'Colormap' which is imported as 'damask.Colormap'.
 from ._rotation        import Rotation         # noqa
 from ._lattice_family  import LatticeFamily    # noqa
-from ._lattice         import Lattice          # noqa
+from ._crystal         import Crystal          # noqa
 from ._orientation     import Orientation      # noqa
 from ._table           import Table            # noqa
 from ._vtk             import VTK              # noqa

python/damask/_crystal.py

@@ -26,7 +26,7 @@ lattice_symmetries = {
                }
 
 
-class Lattice(LatticeFamily):
+class Crystal(LatticeFamily):
     """Lattice."""
 
     def __init__(self,*,

python/damask/_orientation.py

@@ -4,7 +4,7 @@ import copy
 import numpy as np
 
 from . import Rotation
-from . import Lattice
+from . import Crystal
 from . import util
 from . import tensor
 
@@ -55,7 +55,7 @@ _parameter_doc = \
        """
 
 
-class Orientation(Rotation,Lattice):
+class Orientation(Rotation,Crystal):
     """
     Representation of crystallographic orientation as combination of rotation and either crystal family or Bravais lattice.
 
@@ -131,7 +131,7 @@ class Orientation(Rotation,Lattice):
 
         """
         Rotation.__init__(self,rotation)
-        Lattice.__init__(self,family=family, lattice=lattice,
+        Crystal.__init__(self,family=family, lattice=lattice,
                               a=a,b=b,c=c, alpha=alpha,beta=beta,gamma=gamma, degrees=degrees)
 
 
@@ -831,7 +831,7 @@ class Orientation(Rotation,Lattice):
 
         """
         lattice,o = self.relation_operations(model)
-        target = Lattice(lattice=lattice)
+        target = Crystal(lattice=lattice)
         o = o.broadcast_to(o.shape+self.shape,mode='right')
         return Orientation(rotation=o*Rotation(self.quaternion).broadcast_to(o.shape,mode='left'),
                           lattice=lattice,

python/tests/test_Crystal.py

@@ -1,19 +1,19 @@
 import pytest
 import numpy as np
 
-from damask import Lattice
+from damask import Crystal
 
-class TestLattice:
+class TestCrystal:
 
     def test_double_to_lattice(self):
-        L = Lattice(lattice='cF')
+        c = Crystal(lattice='cF')
         with pytest.raises(KeyError):
-            L.to_lattice(direction=np.ones(3),plane=np.ones(3))
+            c.to_lattice(direction=np.ones(3),plane=np.ones(3))
 
     def test_double_to_frame(self):
-        L = Lattice(lattice='cF')
+        c = Crystal(lattice='cF')
         with pytest.raises(KeyError):
-            L.to_frame(uvw=np.ones(3),hkl=np.ones(3))
+            c.to_frame(uvw=np.ones(3),hkl=np.ones(3))
 
     @pytest.mark.parametrize('lattice,a,b,c,alpha,beta,gamma',
                             [
@@ -25,10 +25,10 @@ class TestLattice:
                              ('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 = Lattice(lattice=lattice,
+        c = Crystal(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))
+        assert np.allclose(np.eye(3),np.einsum('ik,jk',c.basis_real,c.basis_reciprocal))
 
 
     @pytest.mark.parametrize('keyFrame,keyLattice',[('uvw','direction'),('hkl','plane'),])
@@ -50,15 +50,15 @@ class TestLattice:
                              ('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 = Lattice(lattice=lattice,
+        c = Crystal(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})}))
+                           c.to_frame(**{keyFrame:c.to_lattice(**{keyLattice:vector})}))
 
 
     @pytest.mark.parametrize('model',['Bain','KS','GT','GT_prime','NW','Pitsch','Burgers'])
     def test_relationship_definition(self,model):
-        m,o = list(Lattice._orientation_relationships[model])
+        m,o = list(Crystal._orientation_relationships[model])
-        assert Lattice._orientation_relationships[model][m].shape[:-1] == \
+        assert Crystal._orientation_relationships[model][m].shape[:-1] == \
-               Lattice._orientation_relationships[model][o].shape[:-1]
+               Crystal._orientation_relationships[model][o].shape[:-1]