SymmetryElementRotationGenerator inherits from SymmetryElementWithAxisGenerator, using its methods for determination of rotation axis and translations in case of screw axes. More...
#include <SymmetryElementFactory.h>
Public Member Functions | |
| bool | canProcess (const SymmetryOperation &operation) const override |
| Checks the trace and determinat of the matrix to determine if the matrix belongs to a rotation. More... | |
| SymmetryElement_sptr | generateElement (const SymmetryOperation &operation) const override |
| Generates an instance of SymmetryElementRotation with the corresponding symbol, axis, translation vector and rotation sense. More... | |
 Public Member Functions inherited from Mantid::Geometry::AbstractSymmetryElementGenerator | |
| virtual bool | canProcess (const SymmetryOperation &operation) const =0 |
| Should return true if the generator can produce a valid SymmetryElement from the provided SymmetryOperation. More... | |
| virtual SymmetryElement_sptr | generateElement (const SymmetryOperation &operation) const =0 |
| Must generate a valid SymmetryElement from the given operation. More... | |
| virtual | ~AbstractSymmetryElementGenerator ()=default |
Protected Member Functions | |
| SymmetryElementRotation::RotationSense | determineRotationSense (const SymmetryOperation &operation, const V3R &rotationAxis) const |
| Determines the rotation sense according to the description in ITA 11.2. More... | |
| std::string | determineSymbol (const SymmetryOperation &operation) const override |
| Determines the Hermann-Mauguin symbol of the rotation-, rotoinversion- or screw-axis. More... | |
| Protected Member Functions inherited from Mantid::Geometry::SymmetryElementWithAxisGenerator | |
| V3R | determineAxis (const Kernel::IntMatrix &matrix) const |
| Returns the symmetry axis for the given matrix. More... | |
| virtual std::string | determineSymbol (const SymmetryOperation &operation) const =0 |
| V3R | determineTranslation (const SymmetryOperation &operation) const |
| Returns the reduced vector of the operation. More... | |
Detailed Description
SymmetryElementRotationGenerator inherits from SymmetryElementWithAxisGenerator, using its methods for determination of rotation axis and translations in case of screw axes.
Furthermore it determines the rotation sense and of course the Hermann-Mauguin symbol.
Definition at line 116 of file SymmetryElementFactory.h.
Member Function Documentation
◆ canProcess()
|
overridevirtual |
Checks the trace and determinat of the matrix to determine if the matrix belongs to a rotation.
Implements Mantid::Geometry::AbstractSymmetryElementGenerator.
Definition at line 188 of file SymmetryElementFactory.cpp.
References Mantid::Kernel::Matrix< T >::determinant(), Mantid::Geometry::SymmetryOperation::matrix(), and Mantid::Kernel::Matrix< T >::Trace().
◆ determineRotationSense()
|
protected |
Determines the rotation sense according to the description in ITA 11.2.
Definition at line 198 of file SymmetryElementFactory.cpp.
References Mantid::Kernel::Matrix< T >::determinant(), Mantid::Geometry::SymmetryOperation::matrix(), Mantid::Geometry::SymmetryElementRotation::Negative, Mantid::Geometry::SymmetryElementRotation::Positive, and Mantid::Kernel::Matrix< T >::setColumn().
Referenced by generateElement().
◆ determineSymbol()
|
overrideprotectedvirtual |
Determines the Hermann-Mauguin symbol of the rotation-, rotoinversion- or screw-axis.
Implements Mantid::Geometry::SymmetryElementWithAxisGenerator.
Definition at line 221 of file SymmetryElementFactory.cpp.
References Mantid::Kernel::Matrix< T >::determinant(), Mantid::Geometry::SymmetryElementWithAxisGenerator::determineTranslation(), Mantid::Geometry::SymmetryOperation::matrix(), Mantid::Geometry::SymmetryOperation::order(), std::to_string(), and Mantid::Kernel::Matrix< T >::Trace().
Referenced by generateElement().
◆ generateElement()
|
overridevirtual |
Generates an instance of SymmetryElementRotation with the corresponding symbol, axis, translation vector and rotation sense.
Implements Mantid::Geometry::AbstractSymmetryElementGenerator.
Definition at line 175 of file SymmetryElementFactory.cpp.
References Mantid::Geometry::SymmetryElementWithAxisGenerator::determineAxis(), determineRotationSense(), determineSymbol(), Mantid::Geometry::SymmetryElementWithAxisGenerator::determineTranslation(), and Mantid::Geometry::SymmetryOperation::matrix().
The documentation for this class was generated from the following files:
- Framework/Geometry/inc/MantidGeometry/Crystal/SymmetryElementFactory.h
- Framework/Geometry/src/Crystal/SymmetryElementFactory.cpp
