BinNormalisationFromProjData.h

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//
//
/*
    Copyright (C) 2000- 2011, Hammersmith Imanet Ltd
    Copyright (C) 2023, University College London
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0
 
    See STIR/LICENSE.txt for details
*/
 
#ifndef __stir_recon_buildblock_BinNormalisationFromProjData_H__
#define __stir_recon_buildblock_BinNormalisationFromProjData_H__
 
#include "stir/recon_buildblock/BinNormalisation.h"
#include "stir/RegisteredParsingObject.h"
#include "stir/ProjData.h"
#include "stir/shared_ptr.h"
#include <string>
 
START_NAMESPACE_STIR

class BinNormalisationFromProjData : public RegisteredParsingObject<BinNormalisationFromProjData, BinNormalisation>
{
private:
  using base_type = BinNormalisation;
 
public:
  static const char* const registered_name;


  BinNormalisationFromProjData();

  BinNormalisationFromProjData(const std::string& filename);


  BinNormalisationFromProjData(const shared_ptr<ProjData>& norm_proj_data_ptr);


  bool is_trivial() const override;


  virtual bool is_TOF_only_norm() const override;


  Succeeded set_up(const shared_ptr<const ExamInfo>& exam_info_sptr, const shared_ptr<const ProjDataInfo>&) override;
 
  // import all apply/undo methods from base-class (we'll override some below)
  using base_type::apply;
  using base_type::undo;


  void apply(RelatedViewgrams<float>& viewgrams) const override;


 
  void undo(RelatedViewgrams<float>& viewgrams) const override;
  float get_bin_efficiency(const Bin& bin) const override;

  virtual shared_ptr<ProjData> get_norm_proj_data_sptr() const;
 
private:
  shared_ptr<ProjData> norm_proj_data_ptr;
  void set_defaults() override;
  void initialise_keymap() override;
  bool post_processing() override;
 
  std::string normalisation_projdata_filename;
};
 
END_NAMESPACE_STIR
 
#endif