Revert "added first typehints for rotation and orientation modules"
This reverts commit 4235c70aea
This commit is contained in:
Daniel Otto de Mentock
parent
4235c70aea
commit
3b9822ad67
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@ -1,6 +1,5 @@
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import inspect
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import copy
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from typing import Union, Callable, Sequence, Dict, Any, Tuple, List
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import numpy as np
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@ -94,12 +93,12 @@ class Orientation(Rotation,Crystal):
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@util.extend_docstring(_parameter_doc)
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def __init__(self,
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rotation: Union[Sequence[float], np.ndarray, Rotation] = np.array([1.,0.,0.,0.]), *,
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family: str = None,
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lattice: str = None,
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a: float = None, b: float = None, c: float = None,
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alpha: float = None, beta: float = None, gamma: float = None,
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degrees: bool = False):
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rotation = np.array([1.0,0.0,0.0,0.0]), *,
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family = None,
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lattice = None,
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a = None,b = None,c = None,
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alpha = None,beta = None,gamma = None,
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degrees = False):
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"""
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New orientation.
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@ -116,12 +115,13 @@ class Orientation(Rotation,Crystal):
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a=a,b=b,c=c, alpha=alpha,beta=beta,gamma=gamma, degrees=degrees)
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def __repr__(self) -> str:
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def __repr__(self):
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"""Represent."""
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return '\n'.join([Crystal.__repr__(self),
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Rotation.__repr__(self)])
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def __copy__(self,rotation: Union[Sequence[float], np.ndarray, Rotation] = None) -> "Orientation":
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def __copy__(self,rotation=None):
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"""Create deep copy."""
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dup = copy.deepcopy(self)
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if rotation is not None:
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@ -131,8 +131,7 @@ class Orientation(Rotation,Crystal):
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copy = __copy__
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def __eq__(self, other: object) -> bool:
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def __eq__(self,other):
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"""
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Equal to other.
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@ -142,14 +141,12 @@ class Orientation(Rotation,Crystal):
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Orientation to check for equality.
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"""
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if not isinstance(other, Orientation):
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raise TypeError
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matching_type = self.family == other.family and \
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self.lattice == other.lattice and \
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self.parameters == other.parameters
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return np.logical_and(matching_type,super(self.__class__,self.reduced).__eq__(other.reduced))
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def __ne__(self, other: object) -> bool:
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def __ne__(self,other):
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"""
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Not equal to other.
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@ -159,16 +156,10 @@ class Orientation(Rotation,Crystal):
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Orientation to check for equality.
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"""
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if not isinstance(other, Orientation):
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raise TypeError
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return np.logical_not(self==other)
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def isclose(self,
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other: object,
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rtol: float = 1e-5,
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atol: float = 1e-8,
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equal_nan: bool = True) -> bool:
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def isclose(self,other,rtol=1e-5,atol=1e-8,equal_nan=True):
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"""
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Report where values are approximately equal to corresponding ones of other Orientation.
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@ -189,8 +180,6 @@ class Orientation(Rotation,Crystal):
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Mask indicating where corresponding orientations are close.
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"""
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if not isinstance(other, Orientation):
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raise TypeError
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matching_type = self.family == other.family and \
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self.lattice == other.lattice and \
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self.parameters == other.parameters
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@ -198,11 +187,7 @@ class Orientation(Rotation,Crystal):
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def allclose(self,
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other: object,
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rtol: float = 1e-5,
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atol: float = 1e-8,
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equal_nan: bool = True) -> Union[bool, np.bool_]:
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def allclose(self,other,rtol=1e-5,atol=1e-8,equal_nan=True):
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"""
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Test whether all values are approximately equal to corresponding ones of other Orientation.
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@ -223,12 +208,10 @@ class Orientation(Rotation,Crystal):
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Whether all values are close between both orientations.
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"""
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if not isinstance(other, Orientation):
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raise TypeError
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return np.all(self.isclose(other,rtol,atol,equal_nan))
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def __mul__(self, other: Union[Rotation, "Orientation"]) -> "Orientation":
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def __mul__(self,other):
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"""
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Compose this orientation with other.
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@ -250,7 +233,7 @@ class Orientation(Rotation,Crystal):
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@staticmethod
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def _split_kwargs(kwargs: Dict[str, Any], target: Callable) -> Tuple[Dict[str, Any], ...]:
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def _split_kwargs(kwargs,target):
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"""
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Separate keyword arguments in 'kwargs' targeted at 'target' from general keyword arguments of Orientation objects.
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@ -269,7 +252,7 @@ class Orientation(Rotation,Crystal):
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Valid keyword arguments of Orientation object.
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"""
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kws: Tuple[Dict[str, Any], ...] = ()
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kws = ()
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for t in (target,Orientation.__init__):
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kws += ({key: kwargs[key] for key in set(inspect.signature(t).parameters) & set(kwargs)},)
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@ -281,88 +264,85 @@ class Orientation(Rotation,Crystal):
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@classmethod
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@util.extended_docstring(Rotation.from_random, _parameter_doc)
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def from_random(cls, **kwargs) -> "Orientation":
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@util.extended_docstring(Rotation.from_random,_parameter_doc)
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def from_random(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_random)
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return cls(rotation=Rotation.from_random(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_quaternion,_parameter_doc)
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def from_quaternion(cls, **kwargs) -> "Orientation":
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def from_quaternion(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_quaternion)
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return cls(rotation=Rotation.from_quaternion(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_Euler_angles,_parameter_doc)
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def from_Euler_angles(cls, **kwargs) -> "Orientation":
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def from_Euler_angles(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_Euler_angles)
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return cls(rotation=Rotation.from_Euler_angles(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_axis_angle,_parameter_doc)
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def from_axis_angle(cls, **kwargs) -> "Orientation":
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def from_axis_angle(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_axis_angle)
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return cls(rotation=Rotation.from_axis_angle(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_basis,_parameter_doc)
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def from_basis(cls, **kwargs) -> "Orientation":
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def from_basis(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_basis)
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return cls(rotation=Rotation.from_basis(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_matrix,_parameter_doc)
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def from_matrix(cls, **kwargs) -> "Orientation":
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def from_matrix(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_matrix)
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return cls(rotation=Rotation.from_matrix(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_Rodrigues_vector,_parameter_doc)
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def from_Rodrigues_vector(cls, **kwargs) -> "Orientation":
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def from_Rodrigues_vector(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_Rodrigues_vector)
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return cls(rotation=Rotation.from_Rodrigues_vector(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_homochoric,_parameter_doc)
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def from_homochoric(cls, **kwargs) -> "Orientation":
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def from_homochoric(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_homochoric)
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return cls(rotation=Rotation.from_homochoric(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_cubochoric,_parameter_doc)
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def from_cubochoric(cls, **kwargs) -> "Orientation":
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def from_cubochoric(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_cubochoric)
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return cls(rotation=Rotation.from_cubochoric(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_spherical_component,_parameter_doc)
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def from_spherical_component(cls, **kwargs) -> "Orientation":
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def from_spherical_component(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_spherical_component)
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return cls(rotation=Rotation.from_spherical_component(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extended_docstring(Rotation.from_fiber_component,_parameter_doc)
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def from_fiber_component(cls, **kwargs) -> "Orientation":
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def from_fiber_component(cls,**kwargs):
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kwargs_rot,kwargs_ori = Orientation._split_kwargs(kwargs,Rotation.from_fiber_component)
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return cls(rotation=Rotation.from_fiber_component(**kwargs_rot),**kwargs_ori)
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@classmethod
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@util.extend_docstring(_parameter_doc)
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def from_directions(cls,
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uvw: Union[Sequence[float], np.ndarray],
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hkl: Union[Sequence[float], np.ndarray],
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**kwargs) -> "Orientation":
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def from_directions(cls,uvw,hkl,**kwargs):
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"""
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Initialize orientation object from two crystallographic directions.
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@ -382,7 +362,7 @@ class Orientation(Rotation,Crystal):
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@property
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def equivalent(self) -> "Orientation":
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def equivalent(self):
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"""
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Orientations that are symmetrically equivalent.
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@ -396,7 +376,7 @@ class Orientation(Rotation,Crystal):
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@property
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def reduced(self) -> "Orientation":
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def reduced(self):
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"""Select symmetrically equivalent orientation that falls into fundamental zone according to symmetry."""
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eq = self.equivalent
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ok = eq.in_FZ
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@ -405,8 +385,9 @@ class Orientation(Rotation,Crystal):
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sort = 0 if len(loc) == 1 else np.lexsort(loc[:0:-1])
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return eq[ok][sort].reshape(self.shape)
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@property
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def in_FZ(self) -> Union[np.bool_, np.ndarray]:
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def in_FZ(self):
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"""
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Check whether orientation falls into fundamental zone of own symmetry.
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@ -450,7 +431,7 @@ class Orientation(Rotation,Crystal):
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@property
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def in_disorientation_FZ(self) -> np.ndarray:
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def in_disorientation_FZ(self):
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"""
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Check whether orientation falls into fundamental zone of disorientations.
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@ -490,7 +471,8 @@ class Orientation(Rotation,Crystal):
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else:
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return np.ones_like(rho[...,0],dtype=bool)
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def disorientation(self, other, return_operators = False):
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def disorientation(self,other,return_operators=False):
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"""
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Calculate disorientation between myself and given other orientation.
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@ -536,8 +518,8 @@ class Orientation(Rotation,Crystal):
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if self.family != other.family:
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raise NotImplementedError('disorientation between different crystal families')
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blend: Tuple[int, ...] = util.shapeblender(self.shape,other.shape)
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s = self.equivalent
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blend = util.shapeblender(self.shape,other.shape)
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s = self.equivalent
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o = other.equivalent
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s_ = s.reshape((s.shape[0],1)+ self.shape).broadcast_to((s.shape[0],o.shape[0])+blend,mode='right')
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@ -552,9 +534,10 @@ class Orientation(Rotation,Crystal):
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r = np.where(np.any(forward[...,np.newaxis],axis=(0,1),keepdims=True),
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r_.quaternion,
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_r.quaternion)
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loc: Tuple[float] = np.where(ok)
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sort: np.ndarray = 0 if len(loc) == 2 else np.lexsort(loc[:1:-1])
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quat: np.ndarray = r[ok][sort].reshape(blend+(4,))
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loc = np.where(ok)
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sort = 0 if len(loc) == 2 else np.lexsort(loc[:1:-1])
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quat = r[ok][sort].reshape(blend+(4,))
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return (
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(self.copy(rotation=quat),
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(np.vstack(loc[:2]).T)[sort].reshape(blend+(2,)))
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@ -563,7 +546,7 @@ class Orientation(Rotation,Crystal):
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)
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def average(self, weights = None, return_cloud = False):
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def average(self,weights=None,return_cloud=False):
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"""
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Return orientation average over last dimension.
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@ -604,10 +587,7 @@ class Orientation(Rotation,Crystal):
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)
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def to_SST(self,
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vector: np.ndarray,
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proper: bool = False,
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return_operators: bool = False) -> np.ndarray:
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def to_SST(self,vector,proper=False,return_operators=False):
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"""
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Rotate vector to ensure it falls into (improper or proper) standard stereographic triangle of crystal symmetry.
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@ -646,7 +626,7 @@ class Orientation(Rotation,Crystal):
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)
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def in_SST(self, vector: np.ndarray, proper: bool = False) -> Union[np.bool_, np.ndarray]:
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def in_SST(self,vector,proper=False):
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"""
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Check whether given crystal frame vector falls into standard stereographic triangle of own symmetry.
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@ -687,7 +667,7 @@ class Orientation(Rotation,Crystal):
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return np.all(components >= 0.0,axis=-1)
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def IPF_color(self, vector: np.ndarray, in_SST: bool = True, proper: bool = False) -> np.ndarray:
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def IPF_color(self,vector,in_SST=True,proper=False):
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"""
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Map vector to RGB color within standard stereographic triangle of own symmetry.
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@ -735,30 +715,30 @@ class Orientation(Rotation,Crystal):
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components_improper = np.around(np.einsum('...ji,...i',
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np.broadcast_to(self.standard_triangle['improper'], vector_.shape+(3,)),
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vector_), 12)
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in_SST_ = np.all(components_proper >= 0.0,axis=-1) \
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in_SST = np.all(components_proper >= 0.0,axis=-1) \
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| np.all(components_improper >= 0.0,axis=-1)
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components = np.where((in_SST_ & np.all(components_proper >= 0.0,axis=-1))[...,np.newaxis],
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components = np.where((in_SST & np.all(components_proper >= 0.0,axis=-1))[...,np.newaxis],
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components_proper,components_improper)
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else:
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components = np.around(np.einsum('...ji,...i',
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np.broadcast_to(self .standard_triangle['improper'], vector_.shape+(3,)),
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np.block([vector_[...,:2],np.abs(vector_[...,2:3])])), 12)
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in_SST_ = np.all(components >= 0.0,axis=-1)
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in_SST = np.all(components >= 0.0,axis=-1)
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with np.errstate(invalid='ignore',divide='ignore'):
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rgb = (components/np.linalg.norm(components,axis=-1,keepdims=True))**0.5 # smoothen color ramps
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rgb = np.clip(rgb,0.,1.) # clip intensity
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rgb /= np.max(rgb,axis=-1,keepdims=True) # normalize to (HS)V = 1
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rgb[np.broadcast_to(~in_SST_[...,np.newaxis],rgb.shape)] = 0.0
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rgb[np.broadcast_to(~in_SST[...,np.newaxis],rgb.shape)] = 0.0
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return rgb
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@property
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def symmetry_operations(self) -> Rotation:
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def symmetry_operations(self):
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"""Symmetry operations as Rotations."""
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_symmetry_operations: Dict[str, List[List]] = {
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_symmetry_operations = {
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'cubic': [
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[ 1.0, 0.0, 0.0, 0.0 ],
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[ 0.0, 1.0, 0.0, 0.0 ],
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@ -828,10 +808,7 @@ class Orientation(Rotation,Crystal):
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####################################################################################################
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# functions that require lattice, not just family
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def to_pole(self, *,
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uvw: np.ndarray = None,
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hkl: np.ndarray = None,
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with_symmetry: bool = False) -> np.ndarray:
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def to_pole(self,*,uvw=None,hkl=None,with_symmetry=False):
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"""
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Calculate lab frame vector along lattice direction [uvw] or plane normal (hkl).
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@ -862,9 +839,7 @@ class Orientation(Rotation,Crystal):
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@ np.broadcast_to(v,blend+(3,))
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def Schmid(self, *,
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N_slip: Sequence[int] = None,
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N_twin: Sequence[int] = None) -> np.ndarray:
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def Schmid(self,*,N_slip=None,N_twin=None):
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u"""
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Calculate Schmid matrix P = d ⨂ n in the lab frame for selected deformation systems.
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@ -901,7 +876,6 @@ class Orientation(Rotation,Crystal):
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(self.kinematics('twin'),N_twin)
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if active == '*': active = [len(a) for a in kinematics['direction']]
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assert active
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d = self.to_frame(uvw=np.vstack([kinematics['direction'][i][:n] for i,n in enumerate(active)]))
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p = self.to_frame(hkl=np.vstack([kinematics['plane'][i][:n] for i,n in enumerate(active)]))
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P = np.einsum('...i,...j',d/np.linalg.norm(d,axis=1,keepdims=True),
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|
|
@ -912,7 +886,7 @@ class Orientation(Rotation,Crystal):
|
|||
@ np.broadcast_to(P.reshape(util.shapeshifter(P.shape,shape)),shape)
|
||||
|
||||
|
||||
def related(self, model: str) -> "Orientation":
|
||||
def related(self,model):
|
||||
"""
|
||||
Orientations derived from the given relationship.
|
||||
|
||||
|
|
|
|||
|
|
@ -6,8 +6,6 @@ from . import tensor
|
|||
from . import util
|
||||
from . import grid_filters
|
||||
|
||||
from typing import Union, Sequence, Tuple, Literal, List
|
||||
|
||||
_P = -1
|
||||
|
||||
# parameters for conversion from/to cubochoric
|
||||
|
|
@ -63,7 +61,7 @@ class Rotation:
|
|||
|
||||
__slots__ = ['quaternion']
|
||||
|
||||
def __init__(self, rotation: Union[Sequence[float], np.ndarray, "Rotation"] = np.array([1.0,0.0,0.0,0.0])):
|
||||
def __init__(self,rotation = np.array([1.0,0.0,0.0,0.0])):
|
||||
"""
|
||||
New rotation.
|
||||
|
||||
|
|
@ -75,7 +73,6 @@ class Rotation:
|
|||
Defaults to no rotation.
|
||||
|
||||
"""
|
||||
self.quaternion: np.ndarray
|
||||
if isinstance(rotation,Rotation):
|
||||
self.quaternion = rotation.quaternion.copy()
|
||||
elif np.array(rotation).shape[-1] == 4:
|
||||
|
|
@ -84,13 +81,13 @@ class Rotation:
|
|||
raise TypeError('"rotation" is neither a Rotation nor a quaternion')
|
||||
|
||||
|
||||
def __repr__(self) -> str:
|
||||
def __repr__(self):
|
||||
"""Represent rotation as unit quaternion(s)."""
|
||||
return f'Quaternion{" " if self.quaternion.shape == (4,) else "s of shape "+str(self.quaternion.shape[:-1])+chr(10)}'\
|
||||
+ str(self.quaternion)
|
||||
|
||||
|
||||
def __copy__(self, rotation: Union[Sequence[float], np.ndarray, "Rotation"] = None) -> "Rotation":
|
||||
def __copy__(self,rotation=None):
|
||||
"""Create deep copy."""
|
||||
dup = copy.deepcopy(self)
|
||||
if rotation is not None:
|
||||
|
|
@ -100,14 +97,14 @@ class Rotation:
|
|||
copy = __copy__
|
||||
|
||||
|
||||
def __getitem__(self, item: Union[Tuple[int], int, bool, np.bool_, np.ndarray]):
|
||||
def __getitem__(self,item):
|
||||
"""Return slice according to item."""
|
||||
return self.copy() \
|
||||
if self.shape == () else \
|
||||
self.copy(rotation=self.quaternion[item+(slice(None),)] if isinstance(item,tuple) else self.quaternion[item])
|
||||
|
||||
|
||||
def __eq__(self, other: object) -> bool:
|
||||
def __eq__(self,other):
|
||||
"""
|
||||
Equal to other.
|
||||
|
||||
|
|
@ -117,13 +114,11 @@ class Rotation:
|
|||
Rotation to check for equality.
|
||||
|
||||
"""
|
||||
if not isinstance(other, Rotation):
|
||||
raise TypeError
|
||||
return np.logical_or(np.all(self.quaternion == other.quaternion,axis=-1),
|
||||
np.all(self.quaternion == -1.0*other.quaternion,axis=-1))
|
||||
|
||||
|
||||
def __ne__(self, other: object) -> bool:
|
||||
def __ne__(self,other):
|
||||
"""
|
||||
Not equal to other.
|
||||
|
||||
|
|
@ -133,12 +128,10 @@ class Rotation:
|
|||
Rotation to check for inequality.
|
||||
|
||||
"""
|
||||
if not isinstance(other, Rotation):
|
||||
raise TypeError
|
||||
return np.logical_not(self==other)
|
||||
|
||||
|
||||
def isclose(self, other: "Rotation", rtol: float = 1e-5, atol: float = 1e-8, equal_nan: bool = True) -> bool:
|
||||
def isclose(self,other,rtol=1e-5,atol=1e-8,equal_nan=True):
|
||||
"""
|
||||
Report where values are approximately equal to corresponding ones of other Rotation.
|
||||
|
||||
|
|
@ -165,7 +158,7 @@ class Rotation:
|
|||
np.all(np.isclose(s,-1.0*o,rtol,atol,equal_nan),axis=-1))
|
||||
|
||||
|
||||
def allclose(self, other: "Rotation", rtol: float = 1e-5, atol: float = 1e-8, equal_nan: bool = True) -> Union[np.bool_, bool]:
|
||||
def allclose(self,other,rtol=1e-5,atol=1e-8,equal_nan=True):
|
||||
"""
|
||||
Test whether all values are approximately equal to corresponding ones of other Rotation.
|
||||
|
||||
|
|
@ -195,27 +188,27 @@ class Rotation:
|
|||
|
||||
|
||||
@property
|
||||
def size(self) -> int:
|
||||
def size(self):
|
||||
return self.quaternion[...,0].size
|
||||
|
||||
@property
|
||||
def shape(self) -> Tuple[int, ...]:
|
||||
def shape(self):
|
||||
return self.quaternion[...,0].shape
|
||||
|
||||
|
||||
def __len__(self) -> int:
|
||||
def __len__(self):
|
||||
"""Length of leading/leftmost dimension of array."""
|
||||
return 0 if self.shape == () else self.shape[0]
|
||||
|
||||
|
||||
def __invert__(self) -> "Rotation":
|
||||
def __invert__(self):
|
||||
"""Inverse rotation (backward rotation)."""
|
||||
dup = self.copy()
|
||||
dup.quaternion[...,1:] *= -1
|
||||
return dup
|
||||
|
||||
|
||||
def __pow__(self, exp: int) -> "Rotation":
|
||||
def __pow__(self,exp):
|
||||
"""
|
||||
Perform the rotation 'exp' times.
|
||||
|
||||
|
|
@ -229,7 +222,7 @@ class Rotation:
|
|||
p = self.quaternion[...,1:]/np.linalg.norm(self.quaternion[...,1:],axis=-1,keepdims=True)
|
||||
return self.copy(rotation=Rotation(np.block([np.cos(exp*phi),np.sin(exp*phi)*p]))._standardize())
|
||||
|
||||
def __ipow__(self, exp: int) -> "Rotation":
|
||||
def __ipow__(self,exp):
|
||||
"""
|
||||
Perform the rotation 'exp' times (in-place).
|
||||
|
||||
|
|
@ -242,7 +235,7 @@ class Rotation:
|
|||
return self**exp
|
||||
|
||||
|
||||
def __mul__(self, other: "Rotation") -> "Rotation":
|
||||
def __mul__(self,other):
|
||||
"""
|
||||
Compose with other.
|
||||
|
||||
|
|
@ -268,7 +261,7 @@ class Rotation:
|
|||
else:
|
||||
raise TypeError('Use "R@b", i.e. matmul, to apply rotation "R" to object "b"')
|
||||
|
||||
def __imul__(self, other: "Rotation") -> "Rotation":
|
||||
def __imul__(self,other):
|
||||
"""
|
||||
Compose with other (in-place).
|
||||
|
||||
|
|
@ -281,7 +274,7 @@ class Rotation:
|
|||
return self*other
|
||||
|
||||
|
||||
def __truediv__(self, other: "Rotation") -> "Rotation":
|
||||
def __truediv__(self,other):
|
||||
"""
|
||||
Compose with inverse of other.
|
||||
|
||||
|
|
@ -301,7 +294,7 @@ class Rotation:
|
|||
else:
|
||||
raise TypeError('Use "R@b", i.e. matmul, to apply rotation "R" to object "b"')
|
||||
|
||||
def __itruediv__(self, other: "Rotation") -> "Rotation":
|
||||
def __itruediv__(self,other):
|
||||
"""
|
||||
Compose with inverse of other (in-place).
|
||||
|
||||
|
|
@ -314,7 +307,7 @@ class Rotation:
|
|||
return self/other
|
||||
|
||||
|
||||
def __matmul__(self, other: np.ndarray) -> np.ndarray:
|
||||
def __matmul__(self,other):
|
||||
"""
|
||||
Rotate vector, second order tensor, or fourth order tensor.
|
||||
|
||||
|
|
@ -357,13 +350,13 @@ class Rotation:
|
|||
apply = __matmul__
|
||||
|
||||
|
||||
def _standardize(self) -> "Rotation":
|
||||
def _standardize(self):
|
||||
"""Standardize quaternion (ensure positive real hemisphere)."""
|
||||
self.quaternion[self.quaternion[...,0] < 0.0] *= -1
|
||||
return self
|
||||
|
||||
|
||||
def append(self, other: Union["Rotation", List["Rotation"]]) -> "Rotation":
|
||||
def append(self,other):
|
||||
"""
|
||||
Extend array along first dimension with other array(s).
|
||||
|
||||
|
|
@ -376,7 +369,7 @@ class Rotation:
|
|||
[self]+other if isinstance(other,list) else [self,other]))))
|
||||
|
||||
|
||||
def flatten(self, order: Literal['C','F','A'] = 'C') -> "Rotation":
|
||||
def flatten(self,order = 'C'):
|
||||
"""
|
||||
Flatten array.
|
||||
|
||||
|
|
@ -389,7 +382,7 @@ class Rotation:
|
|||
return self.copy(rotation=self.quaternion.reshape((-1,4),order=order))
|
||||
|
||||
|
||||
def reshape(self,shape: Union[int, Tuple[int, ...]], order: Literal['C','F','A'] = 'C') -> "Rotation":
|
||||
def reshape(self,shape,order = 'C'):
|
||||
"""
|
||||
Reshape array.
|
||||
|
||||
|
|
@ -403,7 +396,7 @@ class Rotation:
|
|||
return self.copy(rotation=self.quaternion.reshape(tuple(shape)+(4,),order=order))
|
||||
|
||||
|
||||
def broadcast_to(self, shape: Union[int, Tuple[int, ...]], mode: Literal["left", "right"] = 'right') -> "Rotation":
|
||||
def broadcast_to(self,shape,mode = 'right'):
|
||||
"""
|
||||
Broadcast array.
|
||||
|
||||
|
|
@ -465,7 +458,7 @@ class Rotation:
|
|||
accept_homomorph = True)
|
||||
|
||||
|
||||
def misorientation(self, other: "Rotation") -> "Rotation":
|
||||
def misorientation(self,other):
|
||||
"""
|
||||
Calculate misorientation to other Rotation.
|
||||
|
||||
|
|
@ -486,7 +479,7 @@ class Rotation:
|
|||
################################################################################################
|
||||
# convert to different orientation representations (numpy arrays)
|
||||
|
||||
def as_quaternion(self) -> np.ndarray:
|
||||
def as_quaternion(self):
|
||||
"""
|
||||
Represent as unit quaternion.
|
||||
|
||||
|
|
@ -499,7 +492,7 @@ class Rotation:
|
|||
return self.quaternion.copy()
|
||||
|
||||
def as_Euler_angles(self,
|
||||
degrees: bool = False) -> np.ndarray:
|
||||
degrees = False):
|
||||
"""
|
||||
Represent as Bunge Euler angles.
|
||||
|
||||
|
|
@ -533,8 +526,8 @@ class Rotation:
|
|||
return eu
|
||||
|
||||
def as_axis_angle(self,
|
||||
degrees: bool = False,
|
||||
pair: bool = False) -> Union[Tuple[float, ...], np.ndarray]:
|
||||
degrees = False,
|
||||
pair = False):
|
||||
"""
|
||||
Represent as axis–angle pair.
|
||||
|
||||
|
|
@ -561,11 +554,11 @@ class Rotation:
|
|||
(array([0., 0., 1.]), array(0.))
|
||||
|
||||
"""
|
||||
ax: np.ndarray = Rotation._qu2ax(self.quaternion)
|
||||
ax = Rotation._qu2ax(self.quaternion)
|
||||
if degrees: ax[...,3] = np.degrees(ax[...,3])
|
||||
return (ax[...,:3],ax[...,3]) if pair else ax
|
||||
|
||||
def as_matrix(self) -> np.ndarray:
|
||||
def as_matrix(self):
|
||||
"""
|
||||
Represent as rotation matrix.
|
||||
|
||||
|
|
@ -589,7 +582,7 @@ class Rotation:
|
|||
return Rotation._qu2om(self.quaternion)
|
||||
|
||||
def as_Rodrigues_vector(self,
|
||||
compact: bool = False) -> np.ndarray:
|
||||
compact = False):
|
||||
"""
|
||||
Represent as Rodrigues–Frank vector with separate axis and angle argument.
|
||||
|
||||
|
|
@ -622,7 +615,7 @@ class Rotation:
|
|||
else:
|
||||
return ro
|
||||
|
||||
def as_homochoric(self) -> np.ndarray:
|
||||
def as_homochoric(self):
|
||||
"""
|
||||
Represent as homochoric vector.
|
||||
|
||||
|
|
@ -643,7 +636,7 @@ class Rotation:
|
|||
"""
|
||||
return Rotation._qu2ho(self.quaternion)
|
||||
|
||||
def as_cubochoric(self) -> np.ndarray:
|
||||
def as_cubochoric(self):
|
||||
"""
|
||||
Represent as cubochoric vector.
|
||||
|
||||
|
|
@ -668,9 +661,9 @@ class Rotation:
|
|||
# Static constructors. The input data needs to follow the conventions, options allow to
|
||||
# relax the conventions.
|
||||
@staticmethod
|
||||
def from_quaternion(q: Union[Sequence[Sequence[float]], np.ndarray],
|
||||
accept_homomorph: bool = False,
|
||||
P: Literal[1, -1] = -1) -> "Rotation":
|
||||
def from_quaternion(q,
|
||||
accept_homomorph = False,
|
||||
P = -1):
|
||||
"""
|
||||
Initialize from quaternion.
|
||||
|
||||
|
|
@ -685,7 +678,7 @@ class Rotation:
|
|||
Sign convention. Defaults to -1.
|
||||
|
||||
"""
|
||||
qu: np.ndarray = np.array(q,dtype=float)
|
||||
qu = np.array(q,dtype=float)
|
||||
if qu.shape[:-2:-1] != (4,):
|
||||
raise ValueError('Invalid shape.')
|
||||
if abs(P) != 1:
|
||||
|
|
@ -703,8 +696,8 @@ class Rotation:
|
|||
return Rotation(qu)
|
||||
|
||||
@staticmethod
|
||||
def from_Euler_angles(phi: np.ndarray,
|
||||
degrees: bool = False) -> "Rotation":
|
||||
def from_Euler_angles(phi,
|
||||
degrees = False):
|
||||
"""
|
||||
Initialize from Bunge Euler angles.
|
||||
|
||||
|
|
@ -732,10 +725,10 @@ class Rotation:
|
|||
return Rotation(Rotation._eu2qu(eu))
|
||||
|
||||
@staticmethod
|
||||
def from_axis_angle(axis_angle: np.ndarray,
|
||||
degrees:bool = False,
|
||||
normalize: bool = False,
|
||||
P: Literal[1, -1] = -1) -> "Rotation":
|
||||
def from_axis_angle(axis_angle,
|
||||
degrees = False,
|
||||
normalize = False,
|
||||
P = -1):
|
||||
"""
|
||||
Initialize from Axis angle pair.
|
||||
|
||||
|
|
@ -770,9 +763,9 @@ class Rotation:
|
|||
return Rotation(Rotation._ax2qu(ax))
|
||||
|
||||
@staticmethod
|
||||
def from_basis(basis: np.ndarray,
|
||||
orthonormal: bool = True,
|
||||
reciprocal: bool = False) -> "Rotation":
|
||||
def from_basis(basis,
|
||||
orthonormal = True,
|
||||
reciprocal = False):
|
||||
"""
|
||||
Initialize from lattice basis vectors.
|
||||
|
||||
|
|
@ -806,7 +799,7 @@ class Rotation:
|
|||
return Rotation(Rotation._om2qu(om))
|
||||
|
||||
@staticmethod
|
||||
def from_matrix(R: np.ndarray) -> "Rotation":
|
||||
def from_matrix(R):
|
||||
"""
|
||||
Initialize from rotation matrix.
|
||||
|
||||
|
|
@ -819,9 +812,8 @@ class Rotation:
|
|||
return Rotation.from_basis(R)
|
||||
|
||||
@staticmethod
|
||||
def from_parallel(a: np.ndarray,
|
||||
b: np.ndarray,
|
||||
**kwargs) -> "Rotation":
|
||||
def from_parallel(a,b,
|
||||
**kwargs):
|
||||
"""
|
||||
Initialize from pairs of two orthogonal lattice basis vectors.
|
||||
|
||||
|
|
@ -849,9 +841,9 @@ class Rotation:
|
|||
|
||||
|
||||
@staticmethod
|
||||
def from_Rodrigues_vector(rho: np.ndarray,
|
||||
normalize: bool = False,
|
||||
P: Literal[1, -1] = -1) -> "Rotation":
|
||||
def from_Rodrigues_vector(rho,
|
||||
normalize = False,
|
||||
P = -1):
|
||||
"""
|
||||
Initialize from Rodrigues–Frank vector (angle separated from axis).
|
||||
|
||||
|
|
@ -881,8 +873,8 @@ class Rotation:
|
|||
return Rotation(Rotation._ro2qu(ro))
|
||||
|
||||
@staticmethod
|
||||
def from_homochoric(h: np.ndarray,
|
||||
P: Literal[1, -1] = -1) -> "Rotation":
|
||||
def from_homochoric(h,
|
||||
P = -1):
|
||||
"""
|
||||
Initialize from homochoric vector.
|
||||
|
||||
|
|
@ -908,8 +900,8 @@ class Rotation:
|
|||
return Rotation(Rotation._ho2qu(ho))
|
||||
|
||||
@staticmethod
|
||||
def from_cubochoric(x: np.ndarray,
|
||||
P: Literal[1, -1] = -1) -> "Rotation":
|
||||
def from_cubochoric(x,
|
||||
P = -1):
|
||||
"""
|
||||
Initialize from cubochoric vector.
|
||||
|
||||
|
|
@ -936,8 +928,8 @@ class Rotation:
|
|||
|
||||
|
||||
@staticmethod
|
||||
def from_random(shape: Tuple[int, ...] = None,
|
||||
rng_seed: Union[None, int, Sequence[int], np.ndarray] = None) -> "Rotation":
|
||||
def from_random(shape = None,
|
||||
rng_seed = None):
|
||||
"""
|
||||
Initialize with random rotation.
|
||||
|
||||
|
|
@ -966,13 +958,13 @@ class Rotation:
|
|||
|
||||
|
||||
@staticmethod
|
||||
def from_ODF(weights: np.ndarray,
|
||||
phi: np.ndarray,
|
||||
N: int = 500,
|
||||
degrees: bool = True,
|
||||
fractions: bool = True,
|
||||
rng_seed: Union[None, int, Sequence[int], np.ndarray] = None,
|
||||
**kwargs) -> "Rotation":
|
||||
def from_ODF(weights,
|
||||
phi,
|
||||
N = 500,
|
||||
degrees = True,
|
||||
fractions = True,
|
||||
rng_seed = None,
|
||||
**kwargs):
|
||||
"""
|
||||
Sample discrete values from a binned orientation distribution function (ODF).
|
||||
|
||||
|
|
@ -1025,11 +1017,11 @@ class Rotation:
|
|||
|
||||
|
||||
@staticmethod
|
||||
def from_spherical_component(center: "Rotation",
|
||||
sigma: float,
|
||||
N: int = 500,
|
||||
degrees: bool = True,
|
||||
rng_seed: Union[None, int, Sequence[float], np.ndarray] = None) -> "Rotation":
|
||||
def from_spherical_component(center,
|
||||
sigma,
|
||||
N = 500,
|
||||
degrees = True,
|
||||
rng_seed = None):
|
||||
"""
|
||||
Calculate set of rotations with Gaussian distribution around center.
|
||||
|
||||
|
|
@ -1060,12 +1052,12 @@ class Rotation:
|
|||
|
||||
|
||||
@staticmethod
|
||||
def from_fiber_component(alpha: np.ndarray,
|
||||
beta: np.ndarray,
|
||||
sigma: float = 0.0,
|
||||
N: int = 500,
|
||||
degrees: bool = True,
|
||||
rng_seed: bool = None):
|
||||
def from_fiber_component(alpha,
|
||||
beta,
|
||||
sigma = 0.0,
|
||||
N = 500,
|
||||
degrees = True,
|
||||
rng_seed = None):
|
||||
"""
|
||||
Calculate set of rotations with Gaussian distribution around direction.
|
||||
|
||||
|
|
@ -1088,8 +1080,7 @@ class Rotation:
|
|||
|
||||
"""
|
||||
rng = np.random.default_rng(rng_seed)
|
||||
sigma_: np.ndarray; alpha_: np.ndarray; beta_: np.ndarray
|
||||
sigma_,alpha_,beta_ = map(np.radians,(sigma,alpha,beta)) if degrees else (sigma,alpha,beta) # type: ignore
|
||||
sigma_,alpha_,beta_ = map(np.radians,(sigma,alpha,beta)) if degrees else (sigma,alpha,beta)
|
||||
|
||||
d_cr = np.array([np.sin(alpha_[0])*np.cos(alpha_[1]), np.sin(alpha_[0])*np.sin(alpha_[1]), np.cos(alpha_[0])])
|
||||
d_lab = np.array([np.sin( beta_[0])*np.cos( beta_[1]), np.sin( beta_[0])*np.sin( beta_[1]), np.cos( beta_[0])])
|
||||
|
|
@ -1143,7 +1134,7 @@ class Rotation:
|
|||
####################################################################################################
|
||||
#---------- Quaternion ----------
|
||||
@staticmethod
|
||||
def _qu2om(qu: np.ndarray) -> np.ndarray:
|
||||
def _qu2om(qu):
|
||||
qq = qu[...,0:1]**2-(qu[...,1:2]**2 + qu[...,2:3]**2 + qu[...,3:4]**2)
|
||||
om = np.block([qq + 2.0*qu[...,1:2]**2,
|
||||
2.0*(qu[...,2:3]*qu[...,1:2]-_P*qu[...,0:1]*qu[...,3:4]),
|
||||
|
|
@ -1158,7 +1149,7 @@ class Rotation:
|
|||
return om
|
||||
|
||||
@staticmethod
|
||||
def _qu2eu(qu: np.ndarray) -> np.ndarray:
|
||||
def _qu2eu(qu):
|
||||
"""Quaternion to Bunge Euler angles."""
|
||||
q02 = qu[...,0:1]*qu[...,2:3]
|
||||
q13 = qu[...,1:2]*qu[...,3:4]
|
||||
|
|
@ -1186,7 +1177,7 @@ class Rotation:
|
|||
return eu
|
||||
|
||||
@staticmethod
|
||||
def _qu2ax(qu: np.ndarray) -> np.ndarray:
|
||||
def _qu2ax(qu):
|
||||
"""
|
||||
Quaternion to axis–angle pair.
|
||||
|
||||
|
|
@ -1202,7 +1193,7 @@ class Rotation:
|
|||
return ax
|
||||
|
||||
@staticmethod
|
||||
def _qu2ro(qu: np.ndarray) -> np.ndarray:
|
||||
def _qu2ro(qu):
|
||||
"""Quaternion to Rodrigues–Frank vector."""
|
||||
with np.errstate(invalid='ignore',divide='ignore'):
|
||||
s = np.linalg.norm(qu[...,1:4],axis=-1,keepdims=True)
|
||||
|
|
@ -1216,7 +1207,7 @@ class Rotation:
|
|||
return ro
|
||||
|
||||
@staticmethod
|
||||
def _qu2ho(qu: np.ndarray) -> np.ndarray:
|
||||
def _qu2ho(qu):
|
||||
"""Quaternion to homochoric vector."""
|
||||
with np.errstate(invalid='ignore'):
|
||||
omega = 2.0 * np.arccos(np.clip(qu[...,0:1],-1.0,1.0))
|
||||
|
|
@ -1227,14 +1218,14 @@ class Rotation:
|
|||
return ho
|
||||
|
||||
@staticmethod
|
||||
def _qu2cu(qu: np.ndarray) -> np.ndarray:
|
||||
def _qu2cu(qu):
|
||||
"""Quaternion to cubochoric vector."""
|
||||
return Rotation._ho2cu(Rotation._qu2ho(qu))
|
||||
|
||||
|
||||
#---------- Rotation matrix ----------
|
||||
@staticmethod
|
||||
def _om2qu(om: np.ndarray) -> np.ndarray:
|
||||
def _om2qu(om):
|
||||
"""
|
||||
Rotation matrix to quaternion.
|
||||
|
||||
|
|
@ -1276,7 +1267,7 @@ class Rotation:
|
|||
return qu
|
||||
|
||||
@staticmethod
|
||||
def _om2eu(om: np.ndarray) -> np.ndarray:
|
||||
def _om2eu(om):
|
||||
"""Rotation matrix to Bunge Euler angles."""
|
||||
with np.errstate(invalid='ignore',divide='ignore'):
|
||||
zeta = 1.0/np.sqrt(1.0-om[...,2,2:3]**2)
|
||||
|
|
@ -1295,7 +1286,7 @@ class Rotation:
|
|||
return eu
|
||||
|
||||
@staticmethod
|
||||
def _om2ax(om: np.ndarray) -> np.ndarray:
|
||||
def _om2ax(om):
|
||||
"""Rotation matrix to axis–angle pair."""
|
||||
diag_delta = -_P*np.block([om[...,1,2:3]-om[...,2,1:2],
|
||||
om[...,2,0:1]-om[...,0,2:3],
|
||||
|
|
@ -1316,24 +1307,24 @@ class Rotation:
|
|||
return ax
|
||||
|
||||
@staticmethod
|
||||
def _om2ro(om: np.ndarray) -> np.ndarray:
|
||||
def _om2ro(om):
|
||||
"""Rotation matrix to Rodrigues–Frank vector."""
|
||||
return Rotation._eu2ro(Rotation._om2eu(om))
|
||||
|
||||
@staticmethod
|
||||
def _om2ho(om: np.ndarray) -> np.ndarray:
|
||||
def _om2ho(om):
|
||||
"""Rotation matrix to homochoric vector."""
|
||||
return Rotation._ax2ho(Rotation._om2ax(om))
|
||||
|
||||
@staticmethod
|
||||
def _om2cu(om: np.ndarray) -> np.ndarray:
|
||||
def _om2cu(om):
|
||||
"""Rotation matrix to cubochoric vector."""
|
||||
return Rotation._ho2cu(Rotation._om2ho(om))
|
||||
|
||||
|
||||
#---------- Bunge Euler angles ----------
|
||||
@staticmethod
|
||||
def _eu2qu(eu: np.ndarray) -> np.ndarray:
|
||||
def _eu2qu(eu):
|
||||
"""Bunge Euler angles to quaternion."""
|
||||
ee = 0.5*eu
|
||||
cPhi = np.cos(ee[...,1:2])
|
||||
|
|
@ -1346,7 +1337,7 @@ class Rotation:
|
|||
return qu
|
||||
|
||||
@staticmethod
|
||||
def _eu2om(eu: np.ndarray) -> np.ndarray:
|
||||
def _eu2om(eu):
|
||||
"""Bunge Euler angles to rotation matrix."""
|
||||
c = np.cos(eu)
|
||||
s = np.sin(eu)
|
||||
|
|
@ -1364,7 +1355,7 @@ class Rotation:
|
|||
return om
|
||||
|
||||
@staticmethod
|
||||
def _eu2ax(eu: np.ndarray) -> np.ndarray:
|
||||
def _eu2ax(eu):
|
||||
"""Bunge Euler angles to axis–angle pair."""
|
||||
t = np.tan(eu[...,1:2]*0.5)
|
||||
sigma = 0.5*(eu[...,0:1]+eu[...,2:3])
|
||||
|
|
@ -1383,7 +1374,7 @@ class Rotation:
|
|||
return ax
|
||||
|
||||
@staticmethod
|
||||
def _eu2ro(eu: np.ndarray) -> np.ndarray:
|
||||
def _eu2ro(eu):
|
||||
"""Bunge Euler angles to Rodrigues–Frank vector."""
|
||||
ax = Rotation._eu2ax(eu)
|
||||
ro = np.block([ax[...,:3],np.tan(ax[...,3:4]*.5)])
|
||||
|
|
@ -1392,19 +1383,19 @@ class Rotation:
|
|||
return ro
|
||||
|
||||
@staticmethod
|
||||
def _eu2ho(eu: np.ndarray) -> np.ndarray:
|
||||
def _eu2ho(eu):
|
||||
"""Bunge Euler angles to homochoric vector."""
|
||||
return Rotation._ax2ho(Rotation._eu2ax(eu))
|
||||
|
||||
@staticmethod
|
||||
def _eu2cu(eu: np.ndarray) -> np.ndarray:
|
||||
def _eu2cu(eu):
|
||||
"""Bunge Euler angles to cubochoric vector."""
|
||||
return Rotation._ho2cu(Rotation._eu2ho(eu))
|
||||
|
||||
|
||||
#---------- Axis angle pair ----------
|
||||
@staticmethod
|
||||
def _ax2qu(ax: np.ndarray) -> np.ndarray:
|
||||
def _ax2qu(ax):
|
||||
"""Axis–angle pair to quaternion."""
|
||||
c = np.cos(ax[...,3:4]*.5)
|
||||
s = np.sin(ax[...,3:4]*.5)
|
||||
|
|
@ -1412,7 +1403,7 @@ class Rotation:
|
|||
return qu
|
||||
|
||||
@staticmethod
|
||||
def _ax2om(ax: np.ndarray) -> np.ndarray:
|
||||
def _ax2om(ax):
|
||||
"""Axis-angle pair to rotation matrix."""
|
||||
c = np.cos(ax[...,3:4])
|
||||
s = np.sin(ax[...,3:4])
|
||||
|
|
@ -1429,12 +1420,12 @@ class Rotation:
|
|||
return om if _P < 0.0 else np.swapaxes(om,-1,-2)
|
||||
|
||||
@staticmethod
|
||||
def _ax2eu(ax: np.ndarray) -> np.ndarray:
|
||||
def _ax2eu(ax):
|
||||
"""Rotation matrix to Bunge Euler angles."""
|
||||
return Rotation._om2eu(Rotation._ax2om(ax))
|
||||
|
||||
@staticmethod
|
||||
def _ax2ro(ax: np.ndarray) -> np.ndarray:
|
||||
def _ax2ro(ax):
|
||||
"""Axis–angle pair to Rodrigues–Frank vector."""
|
||||
ro = np.block([ax[...,:3],
|
||||
np.where(np.isclose(ax[...,3:4],np.pi,atol=1.e-15,rtol=.0),
|
||||
|
|
@ -1445,36 +1436,36 @@ class Rotation:
|
|||
return ro
|
||||
|
||||
@staticmethod
|
||||
def _ax2ho(ax: np.ndarray) -> np.ndarray:
|
||||
def _ax2ho(ax):
|
||||
"""Axis–angle pair to homochoric vector."""
|
||||
f = (0.75 * ( ax[...,3:4] - np.sin(ax[...,3:4]) ))**(1.0/3.0)
|
||||
ho = ax[...,:3] * f
|
||||
return ho
|
||||
|
||||
@staticmethod
|
||||
def _ax2cu(ax: np.ndarray) -> np.ndarray:
|
||||
def _ax2cu(ax):
|
||||
"""Axis–angle pair to cubochoric vector."""
|
||||
return Rotation._ho2cu(Rotation._ax2ho(ax))
|
||||
|
||||
|
||||
#---------- Rodrigues-Frank vector ----------
|
||||
@staticmethod
|
||||
def _ro2qu(ro: np.ndarray) -> np.ndarray:
|
||||
def _ro2qu(ro):
|
||||
"""Rodrigues–Frank vector to quaternion."""
|
||||
return Rotation._ax2qu(Rotation._ro2ax(ro))
|
||||
|
||||
@staticmethod
|
||||
def _ro2om(ro: np.ndarray) -> np.ndarray:
|
||||
def _ro2om(ro):
|
||||
"""Rodgrigues–Frank vector to rotation matrix."""
|
||||
return Rotation._ax2om(Rotation._ro2ax(ro))
|
||||
|
||||
@staticmethod
|
||||
def _ro2eu(ro: np.ndarray) -> np.ndarray:
|
||||
def _ro2eu(ro):
|
||||
"""Rodrigues–Frank vector to Bunge Euler angles."""
|
||||
return Rotation._om2eu(Rotation._ro2om(ro))
|
||||
|
||||
@staticmethod
|
||||
def _ro2ax(ro: np.ndarray) -> np.ndarray:
|
||||
def _ro2ax(ro):
|
||||
"""Rodrigues–Frank vector to axis–angle pair."""
|
||||
with np.errstate(invalid='ignore',divide='ignore'):
|
||||
ax = np.where(np.isfinite(ro[...,3:4]),
|
||||
|
|
@ -1484,7 +1475,7 @@ class Rotation:
|
|||
return ax
|
||||
|
||||
@staticmethod
|
||||
def _ro2ho(ro: np.ndarray) -> np.ndarray:
|
||||
def _ro2ho(ro):
|
||||
"""Rodrigues–Frank vector to homochoric vector."""
|
||||
f = np.where(np.isfinite(ro[...,3:4]),2.0*np.arctan(ro[...,3:4]) -np.sin(2.0*np.arctan(ro[...,3:4])),np.pi)
|
||||
ho = np.where(np.broadcast_to(np.sum(ro[...,0:3]**2.0,axis=-1,keepdims=True) < 1.e-8,ro[...,0:3].shape),
|
||||
|
|
@ -1492,29 +1483,29 @@ class Rotation:
|
|||
return ho
|
||||
|
||||
@staticmethod
|
||||
def _ro2cu(ro: np.ndarray) -> np.ndarray:
|
||||
def _ro2cu(ro):
|
||||
"""Rodrigues–Frank vector to cubochoric vector."""
|
||||
return Rotation._ho2cu(Rotation._ro2ho(ro))
|
||||
|
||||
|
||||
#---------- Homochoric vector----------
|
||||
@staticmethod
|
||||
def _ho2qu(ho: np.ndarray) -> np.ndarray:
|
||||
def _ho2qu(ho):
|
||||
"""Homochoric vector to quaternion."""
|
||||
return Rotation._ax2qu(Rotation._ho2ax(ho))
|
||||
|
||||
@staticmethod
|
||||
def _ho2om(ho: np.ndarray) -> np.ndarray:
|
||||
def _ho2om(ho):
|
||||
"""Homochoric vector to rotation matrix."""
|
||||
return Rotation._ax2om(Rotation._ho2ax(ho))
|
||||
|
||||
@staticmethod
|
||||
def _ho2eu(ho: np.ndarray) -> np.ndarray:
|
||||
def _ho2eu(ho):
|
||||
"""Homochoric vector to Bunge Euler angles."""
|
||||
return Rotation._ax2eu(Rotation._ho2ax(ho))
|
||||
|
||||
@staticmethod
|
||||
def _ho2ax(ho: np.ndarray) -> np.ndarray:
|
||||
def _ho2ax(ho):
|
||||
"""Homochoric vector to axis–angle pair."""
|
||||
tfit = np.array([+1.0000000000018852, -0.5000000002194847,
|
||||
-0.024999992127593126, -0.003928701544781374,
|
||||
|
|
@ -1537,12 +1528,12 @@ class Rotation:
|
|||
return ax
|
||||
|
||||
@staticmethod
|
||||
def _ho2ro(ho: np.ndarray) -> np.ndarray:
|
||||
def _ho2ro(ho):
|
||||
"""Axis–angle pair to Rodrigues–Frank vector."""
|
||||
return Rotation._ax2ro(Rotation._ho2ax(ho))
|
||||
|
||||
@staticmethod
|
||||
def _ho2cu(ho: np.ndarray) -> np.ndarray:
|
||||
def _ho2cu(ho):
|
||||
"""
|
||||
Homochoric vector to cubochoric vector.
|
||||
|
||||
|
|
@ -1582,32 +1573,32 @@ class Rotation:
|
|||
|
||||
#---------- Cubochoric ----------
|
||||
@staticmethod
|
||||
def _cu2qu(cu: np.ndarray) -> np.ndarray:
|
||||
def _cu2qu(cu):
|
||||
"""Cubochoric vector to quaternion."""
|
||||
return Rotation._ho2qu(Rotation._cu2ho(cu))
|
||||
|
||||
@staticmethod
|
||||
def _cu2om(cu: np.ndarray) -> np.ndarray:
|
||||
def _cu2om(cu):
|
||||
"""Cubochoric vector to rotation matrix."""
|
||||
return Rotation._ho2om(Rotation._cu2ho(cu))
|
||||
|
||||
@staticmethod
|
||||
def _cu2eu(cu: np.ndarray) -> np.ndarray:
|
||||
def _cu2eu(cu):
|
||||
"""Cubochoric vector to Bunge Euler angles."""
|
||||
return Rotation._ho2eu(Rotation._cu2ho(cu))
|
||||
|
||||
@staticmethod
|
||||
def _cu2ax(cu: np.ndarray) -> np.ndarray:
|
||||
def _cu2ax(cu):
|
||||
"""Cubochoric vector to axis–angle pair."""
|
||||
return Rotation._ho2ax(Rotation._cu2ho(cu))
|
||||
|
||||
@staticmethod
|
||||
def _cu2ro(cu: np.ndarray) -> np.ndarray:
|
||||
def _cu2ro(cu):
|
||||
"""Cubochoric vector to Rodrigues–Frank vector."""
|
||||
return Rotation._ho2ro(Rotation._cu2ho(cu))
|
||||
|
||||
@staticmethod
|
||||
def _cu2ho(cu: np.ndarray) -> np.ndarray:
|
||||
def _cu2ho(cu):
|
||||
"""
|
||||
Cubochoric vector to homochoric vector.
|
||||
|
||||
|
|
@ -1650,7 +1641,7 @@ class Rotation:
|
|||
|
||||
|
||||
@staticmethod
|
||||
def _get_pyramid_order(xyz: np.ndarray, direction: Literal['forward', 'backward']) -> np.ndarray:
|
||||
def _get_pyramid_order(xyz,direction=None):
|
||||
"""
|
||||
Get order of the coordinates.
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue