BinNormalisationSinogramRescaling.h

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//
//
/*
    Copyright (C) 2003- 2005, Hammersmith Imanet Ltd
    See STIR/LICENSE.txt for details
*/
#ifndef __stir_recon_buildblock_BinNormalisationSinogramRescaling_H__
#define __stir_recon_buildblock_BinNormalisationSinogramRescaling_H__

#include "stir/recon_buildblock/BinNormalisation.h"
#include "stir/RegisteredParsingObject.h"
#include "stir/ProjData.h"
#include "stir/shared_ptr.h"
#include "stir/ProjDataInfo.h"
#include "stir/Scanner.h"
#include "stir/Array.h"
#include <string>

START_NAMESPACE_STIR

class BinNormalisationSinogramRescaling : public RegisteredParsingObject<BinNormalisationSinogramRescaling, BinNormalisation>
{
public:
  static const char* const registered_name;


  BinNormalisationSinogramRescaling();

  BinNormalisationSinogramRescaling(const std::string& filename);

  virtual Succeeded set_up(const shared_ptr<const ProjDataInfo>&);

  float get_bin_efficiency(const Bin& bin) const override;

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


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

private:
  // the proj data info used for obtaining axial position num, segment num
  // will be set by set_up()
  shared_ptr<const ProjDataInfo> proj_data_info_sptr;
  Array<3, float> rescaling_factors;

  // parsing stuff
  void set_defaults() override;
  void initialise_keymap() override;
  bool post_processing() override;

  std::string sinogram_rescaling_factors_filename;
};

END_NAMESPACE_STIR

#endif