ProjDataGEHDF5.h

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//
//
/*  Copyright (C) 2018-2019 University College London
    Copyright (C) 2018-2019 University of Leeds
    Copyright (C) 2018-2019 University of Hull
    This file is part of STIR.

    SPDX-License-Identifier: Apache-2.0

    See STIR/LICENSE.txt for details
*/
#ifndef __ProjDataGEHDF5_H__
#define __ProjDataGEHDF5_H__

#include "stir/ProjData.h"
#include "stir/IO/GEHDF5Wrapper.h"
#include "stir/Array.h"

START_NAMESPACE_STIR

namespace GE
{
namespace RDF_HDF5
{

class ProjDataGEHDF5 : public ProjData
{
public:
  explicit ProjDataGEHDF5(const std::string& input_filename);

  explicit ProjDataGEHDF5(shared_ptr<GEHDF5Wrapper> input_hdf5_sptr);

private:
  void initialise_from_wrapper();

  unsigned int find_segment_offset(const int segment_num) const;
  Succeeded set_viewgram(const Viewgram<float>& v) override;
  Succeeded set_sinogram(const Sinogram<float>& s) override;
  Viewgram<float> get_viewgram(const int view_num,
                               const int segment_num,
                               const bool make_num_tangential_poss_odd = false,
                               const int timing_pos = 0) const override;
  Sinogram<float> get_sinogram(const int ax_pos_num,
                               const int sergment_num,
                               const bool make_num_tangential_poss_odd = false,
                               const int timing_pos = 0) const override;
  std::vector<int> get_segment_sequence_in_hdf5() const;
  std::vector<unsigned int> seg_ax_offset;
  unsigned int find_segment_index_in_sequence(const int segment_num) const;
  void initialise_segment_sequence();

  void initialise_ax_pos_offset();

  void initialise_viewgram_buffer();
  shared_ptr<GEHDF5Wrapper> m_input_hdf5_sptr;

  std::vector<int> segment_sequence;
  std::vector<Array<3, unsigned char>> tof_data;
};

} // namespace RDF_HDF5
} // namespace GE
END_NAMESPACE_STIR

#endif