SegmentBySinogram.h

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//
//
/*
    Copyright (C) 2000 PARAPET partners
    Copyright (C) 2000- 2012, Hammersmith Imanet Ltd
    Copyright (C) 2023, University College London
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0 AND License-ref-PARAPET-license
 
    See STIR/LICENSE.txt for details
*/
#ifndef __SegmentBySinogram_H__
#define __SegmentBySinogram_H__
 
#include "stir/Segment.h"
#include "stir/Array.h"
#include "stir/Sinogram.h"
 
START_NAMESPACE_STIR
 
// forward declaration for use in convertion
template <typename elemT>
class SegmentByView;

template <typename elemT>
class SegmentBySinogram : public Segment<elemT>, public Array<3, elemT>
{
private:
  typedef SegmentBySinogram<elemT> self_type;
 
public:
  typedef typename Segment<elemT>::StorageOrder StorageOrder;

  SegmentBySinogram(const Array<3, elemT>& v,
                    const shared_ptr<const ProjDataInfo>& proj_data_info_ptr_v,
                    const SegmentIndices& ind);

  SegmentBySinogram(const shared_ptr<const ProjDataInfo>& proj_data_info_ptr_v, const SegmentIndices& ind);


  SegmentBySinogram(const Array<3, elemT>& v,
                    const shared_ptr<const ProjDataInfo>& proj_data_info_ptr_v,
                    const int segment_num,
                    const int timing_pos_num = 0);


  SegmentBySinogram(const shared_ptr<const ProjDataInfo>& proj_data_info_ptr_v,
                    const int segment_num,
                    const int timing_pos_num = 0);

  SegmentBySinogram(const SegmentByView<elemT>&);
  inline StorageOrder get_storage_order() const override;
  using Segment<elemT>::get_sinogram;
  using Segment<elemT>::get_viewgram;
  inline Sinogram<elemT> get_sinogram(int axial_pos_num) const override;
  Viewgram<elemT> get_viewgram(int view_num) const override;
  void set_viewgram(const Viewgram<elemT>&) override;
  inline void set_sinogram(Sinogram<elemT> const& s, int axial_pos_num) override;
  inline void set_sinogram(const Sinogram<elemT>& s) override;

  void grow(const IndexRange<3>& range) override;
  void resize(const IndexRange<3>& range) override;
 
  bool operator==(const Segment<elemT>&) const override;
 
private:

  void check_state() const;
};
 
END_NAMESPACE_STIR
 
#include "stir/SegmentBySinogram.inl"
#endif