TruncateToCylindricalFOVImageProcessor.h

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//
//
/*
    Copyright (C) 2005- 2007, Hammersmith Imanet Ltd
    This file is part of STIR.

    SPDX-License-Identifier: Apache-2.0

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

#include "stir/RegisteredParsingObject.h"
#include "stir/DataProcessor.h"
#include "stir/DiscretisedDensity.h"

START_NAMESPACE_STIR

template <typename elemT>
class TruncateToCylindricalFOVImageProcessor : public RegisteredParsingObject<TruncateToCylindricalFOVImageProcessor<elemT>,
                                                                              DataProcessor<DiscretisedDensity<3, elemT>>,
                                                                              DataProcessor<DiscretisedDensity<3, elemT>>>
{
private:
  typedef RegisteredParsingObject<TruncateToCylindricalFOVImageProcessor<elemT>,
                                  DataProcessor<DiscretisedDensity<3, elemT>>,
                                  DataProcessor<DiscretisedDensity<3, elemT>>>
      base_type;

public:
  static const char* const registered_name;

  TruncateToCylindricalFOVImageProcessor();

  void set_truncate_rim(const int truncate_rim) { this->_truncate_rim = truncate_rim; }

  int get_truncate_rim() { return this->_truncate_rim; }

  void set_strictly_less_than_radius(const bool arg) { this->_strictly_less_than_radius = arg; }
  bool get_strictly_less_than_radius() const { return this->_strictly_less_than_radius; }

private:
  bool _strictly_less_than_radius;
  int _truncate_rim;

  void set_defaults() override;
  void initialise_keymap() override;

  Succeeded virtual_set_up(const DiscretisedDensity<3, elemT>& image) override;
  // new
  void virtual_apply(DiscretisedDensity<3, elemT>& out_density, const DiscretisedDensity<3, elemT>& in_density) const override;
  void virtual_apply(DiscretisedDensity<3, elemT>& density) const override;
};

END_NAMESPACE_STIR

#endif