ProjDataInfoSubsetByView.h

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/*
    Copyright (C) 2021-2022, Commonwealth Scientific and Industrial Research Organisation
    Copyright (C) 2021-2022, University College London
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0
 
    See STIR/LICENSE.txt for details
*/
#ifndef __stir_ProjDataInfoSubsetByView__H__
#define __stir_ProjDataInfoSubsetByView__H__
 
#include "stir/ProjDataInfo.h"
#include <utility>
#include <vector>
 
START_NAMESPACE_STIR
 
class Succeeded;

class ProjDataInfoSubsetByView : public ProjDataInfo
{
private:
  typedef ProjDataInfo base_type;
  typedef ProjDataInfoSubsetByView self_type;
 
public:

  ProjDataInfoSubsetByView(const shared_ptr<const ProjDataInfo> org_proj_data_info_sptr, const std::vector<int>& views);

  self_type* clone() const override;

  bool contains_full_data() const;

  std::vector<int> get_original_view_nums() const override;

  Bin get_original_bin(const Bin& bin) const;

  Bin get_bin_from_original(const Bin& org_bin) const;


  void reduce_segment_range(const int min_segment_num, const int max_segment_num) override;

  void set_num_views(const int new_num_views) override;


  void set_num_tangential_poss(const int num_tang_poss) override;


  void set_num_axial_poss_per_segment(const VectorWithOffset<int>& num_axial_poss_per_segment) override;


  void set_min_axial_pos_num(const int min_ax_pos_num, const int segment_num) override;


  void set_max_axial_pos_num(const int max_ax_pos_num, const int segment_num) override;


  void set_min_tangential_pos_num(const int min_tang_poss) override;


  void set_max_tangential_pos_num(const int max_tang_poss) override;
 
  //| \name Functions that return geometrical info for a Bin


  float get_tantheta(const Bin&) const override;


  float get_phi(const Bin&) const override;


  float get_t(const Bin&) const override;


  float get_m(const Bin&) const override;


  float get_s(const Bin&) const override;


  void get_LOR(LORInAxialAndNoArcCorrSinogramCoordinates<float>&, const Bin&) const override;





  float get_sampling_in_t(const Bin&) const override;


  float get_sampling_in_m(const Bin&) const override;


  float get_sampling_in_s(const Bin&) const override;



  Bin get_bin(const LOR<float>&, const double delta_time = 0.0) const override;


  bool operator>=(const ProjDataInfo& proj) const override;
 
  std::string parameter_info() const override;

  shared_ptr<const ProjDataInfo> get_original_proj_data_info_sptr() const;
 
protected:
  bool blindly_equals(const root_type* const) const override;
 
private:
  shared_ptr<ProjDataInfo> org_proj_data_info_sptr;
  std::vector<int> view_to_org_view_num;
  std::vector<int> org_view_to_view_num;
};
 
END_NAMESPACE_STIR
 
#endif