get_proper_groups#
- orix.quaternion.get_proper_groups(Gl: Symmetry, Gr: Symmetry) Tuple[Symmetry, Symmetry] [source]#
Return the appropriate groups for the asymmetric domain calculation.
- Parameters:
- Gl
First point group.
- Gr
Second point group.
- Returns:
Gl
First proper subgroup(s) or proper inversion subgroup(s), as appropriate.
Gr
Second proper subgroup(s) or proper inversion subgroup(s), as appropriate.
- Raises:
NotImplementedError
If both groups are improper and neither contain an inversion, special consideration is needed which is not yet implemented in orix.