DetectionPositionPair.inl

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//
//

/*
    Copyright (C) 2002- 2009, Hammersmith Imanet Ltd
    Copyright 2017, University College London
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0
 
    See STIR/LICENSE.txt for details
*/
 
START_NAMESPACE_STIR
template <typename coordT>
DetectionPositionPair<coordT>::DetectionPositionPair()
    : _timing_pos(0)
{}
 
template <typename coordT>
DetectionPositionPair<coordT>::DetectionPositionPair(const DetectionPosition<coordT>& pos1,
                                                     const DetectionPosition<coordT>& pos2,
                                                     const int timing_pos)
    : p1(pos1),
      p2(pos2),
      _timing_pos(timing_pos)
{}
 
template <typename coordT>
const DetectionPosition<coordT>&
DetectionPositionPair<coordT>::pos1() const
{
  return p1;
}
 
template <typename coordT>
const DetectionPosition<coordT>&
DetectionPositionPair<coordT>::pos2() const
{
  return p2;
}
 
template <typename coordT>
int
DetectionPositionPair<coordT>::timing_pos() const
{
  return _timing_pos;
}
 
template <typename coordT>
DetectionPosition<coordT>&
DetectionPositionPair<coordT>::pos1()
{
  return p1;
}
 
template <typename coordT>
DetectionPosition<coordT>&
DetectionPositionPair<coordT>::pos2()
{
  return p2;
}
 
template <typename coordT>
int&
DetectionPositionPair<coordT>::timing_pos()
{
  return _timing_pos;
}

template <typename coordT>
bool
DetectionPositionPair<coordT>::operator==(const DetectionPositionPair& p) const
{
  // Slightly complicated as we need to be able to cope with reverse order of detectors. If so,
  // the TOF bin should swap as well.
  return (pos1() == p.pos1() && pos2() == p.pos2() && timing_pos() == p.timing_pos())
         || (pos1() == p.pos2() && pos2() == p.pos1() && timing_pos() == -p.timing_pos());
}
 
template <typename coordT>
bool
DetectionPositionPair<coordT>::operator!=(const DetectionPositionPair& d) const
{
  return !(*this == d);
}
 
END_NAMESPACE_STIR