SymmetryElement.cpp

Go to the documentation of this file.

// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidGeometry/Crystal/SymmetryElement.h"
#include "MantidGeometry/Crystal/SymmetryOperationFactory.h"
 
#include <memory>
#include <stdexcept>
#include <utility>
 
namespace Mantid::Geometry {
 
SymmetryElement::SymmetryElement(std::string symbol) : m_hmSymbol(std::move(symbol)) {}
 
SymmetryElementIdentity::SymmetryElementIdentity() : SymmetryElement("1") {}
 
SymmetryElement_sptr SymmetryElementIdentity::clone() const { return std::make_shared<SymmetryElementIdentity>(); }
 
SymmetryElementInversion::SymmetryElementInversion(const V3R &inversionPoint)
    : SymmetryElement("-1"), m_inversionPoint(inversionPoint) {}
 
SymmetryElement_sptr SymmetryElementInversion::clone() const {
  return std::make_shared<SymmetryElementInversion>(m_inversionPoint);
}
 
SymmetryElementWithAxis::SymmetryElementWithAxis(const std::string &symbol, const V3R &axis, const V3R &translation)
    : SymmetryElement(symbol), m_translation(translation) {
  setAxis(axis);
}
 
void SymmetryElementWithAxis::setAxis(const V3R &axis) {
  if (axis == V3R(0, 0, 0)) {
    throw std::invalid_argument("Axis cannot be (0,0,0).");
  }
 
  m_axis = axis;
}
 
SymmetryElementRotation::SymmetryElementRotation(const std::string &symbol, const V3R &axis, const V3R &translation,
                                                 const SymmetryElementRotation::RotationSense &rotationSense)
    : SymmetryElementWithAxis(symbol, axis, translation), m_rotationSense(rotationSense) {}
 
SymmetryElement_sptr SymmetryElementRotation::clone() const {
  return std::make_shared<SymmetryElementRotation>(m_hmSymbol, m_axis, m_translation, m_rotationSense);
}
 
SymmetryElementMirror::SymmetryElementMirror(const std::string &symbol, const V3R &axis, const V3R &translation)
    : SymmetryElementWithAxis(symbol, axis, translation) {}
 
SymmetryElement_sptr SymmetryElementMirror::clone() const {
  return std::make_shared<SymmetryElementMirror>(m_hmSymbol, m_axis, m_translation);
}
 
SymmetryElementTranslation::SymmetryElementTranslation(const V3R &translation)
    : SymmetryElement("t"), m_translation(translation) {}
 
SymmetryElement_sptr SymmetryElementTranslation::clone() const {
  return std::make_shared<SymmetryElementTranslation>(m_translation);
}
 
} // namespace Mantid::Geometry