itkZeroFluxNeumannBoundaryCondition.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkZeroFluxNeumannBoundaryCondition.h,v $
  Language:  C++
  Date:      $Date: 2005/09/07 14:46:31 $
  Version:   $Revision: 1.16 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkZeroFluxNeumannBoundaryCondition_h
#define __itkZeroFluxNeumannBoundaryCondition_h
#include "itkNeighborhood.h"
#include "itkImageBoundaryCondition.h"

namespace itk
{

template<class TImage>
class ITK_EXPORT  ZeroFluxNeumannBoundaryCondition
  : public ImageBoundaryCondition<TImage>
{
public:
  typedef ZeroFluxNeumannBoundaryCondition Self;
  typedef ImageBoundaryCondition<TImage> Superclass;
  
  typedef typename Superclass::PixelType PixelType;
  typedef typename Superclass::PixelPointerType PixelPointerType;
  typedef typename Superclass::IndexType IndexType;
  typedef typename Superclass::OffsetType OffsetType;
  typedef typename Superclass::NeighborhoodType NeighborhoodType;

  typedef typename Superclass::NeighborhoodAccessorFunctorType 
                                 NeighborhoodAccessorFunctorType;
  
  itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension);
  
  ZeroFluxNeumannBoundaryCondition() {}

  virtual PixelType operator()(const OffsetType& point_index,
                               const OffsetType& boundary_offset,
                               const NeighborhoodType *data) const;
  
  virtual PixelType operator()(
      const OffsetType& point_index,
      const OffsetType& boundary_offset,
      const NeighborhoodType *data,
      const NeighborhoodAccessorFunctorType &neighborhoodAccessorFunctor) const;
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkZeroFluxNeumannBoundaryCondition.txx"
#endif

#endif

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