itkGradientAnisotropicDiffusionImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkGradientAnisotropicDiffusionImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-16 16:45:08 $
  Version:   $Revision: 1.28 $

  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 __itkGradientAnisotropicDiffusionImageFilter_h
#define __itkGradientAnisotropicDiffusionImageFilter_h

#include "itkAnisotropicDiffusionImageFilter.h"
#include "itkGradientNDAnisotropicDiffusionFunction.h"

namespace itk {

template <class TInputImage, class TOutputImage>
class ITK_EXPORT GradientAnisotropicDiffusionImageFilter
  : public AnisotropicDiffusionImageFilter<TInputImage, TOutputImage>
{
public:
  typedef GradientAnisotropicDiffusionImageFilter Self;
  typedef AnisotropicDiffusionImageFilter<TInputImage, TOutputImage>
                                                  Superclass;
  typedef SmartPointer<Self>                      Pointer;
  typedef SmartPointer<const Self>                ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(GradientAnisotropicDiffusionImageFilter,
               AnisotropicDiffusionImageFilter);

  typedef typename Superclass::UpdateBufferType UpdateBufferType;

  itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(UpdateBufferHasNumericTraitsCheck,
    (Concept::HasNumericTraits<typename UpdateBufferType::PixelType>));

#endif

protected:
  GradientAnisotropicDiffusionImageFilter()
    {
    typename GradientNDAnisotropicDiffusionFunction<UpdateBufferType>::Pointer p
      = GradientNDAnisotropicDiffusionFunction<UpdateBufferType>::New();
    this->SetDifferenceFunction(p);
    }
  ~GradientAnisotropicDiffusionImageFilter() {}

private:  
  GradientAnisotropicDiffusionImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

};

} // end namspace itk

#endif