DAVArrayFilter3D.h

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//
//
/*
    Copyright (C) 2000- 2001, IRSL
    SPDX-License-Identifier: Apache-2.0
    See STIR/LICENSE.txt for details
*/

#ifndef __stir_DAVArrayFilter3D_H__
#define __stir_DAVArrayFilter3D_H__

#include "stir/ArrayFunctionObject_2ArgumentImplementation.h"

START_NAMESPACE_STIR

template <typename coordT>
class Coordinate3D;

template <typename elemT>
class DAVArrayFilter3D : public ArrayFunctionObject_2ArgumentImplementation<3, elemT>
{
public:
  DAVArrayFilter3D(const Coordinate3D<int>& mask_radius = Coordinate3D<int>());
  bool is_trivial() const;

private:
  int mask_radius_x;
  int mask_radius_y;
  int mask_radius_z;

  virtual void do_it(Array<3, elemT>& out_array, const Array<3, elemT>& in_array) const;

  void extract_neighbours_and_average(elemT& out_elem, const Array<3, elemT>& in_array, const Coordinate3D<int>& c_pixel) const;
};

END_NAMESPACE_STIR

#endif