itkSobelOperator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSobelOperator.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:29:26 $
  Version:   $Revision: 1.8 $

  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 __itkSobelOperator_h
#define __itkSobelOperator_h

#include "itkExceptionObject.h"
#include "itkNeighborhoodOperator.h"

namespace itk {

template<class TPixel, unsigned int VDimension=2,
  class TAllocator = NeighborhoodAllocator<TPixel> >
class ITK_EXPORT SobelOperator
  : public NeighborhoodOperator<TPixel, VDimension, TAllocator>
{
public:
  typedef SobelOperator Self;
  typedef NeighborhoodOperator<TPixel, VDimension, TAllocator>  Superclass;

  itkTypeMacro(SobelOperator, NeighborhoodOperator);
  
  SobelOperator() {}
  SobelOperator(const Self& other)
    : NeighborhoodOperator<TPixel, VDimension, TAllocator>(other) 
  {  }

  virtual void CreateDirectional()
  {
    this->CreateToRadius(1);
  }
  
  // virtual void CreateToRadius(const unsigned long);
  Self &operator=(const Self& other)
  {
    Superclass::operator=(other);
    return *this;
  }
  virtual void PrintSelf(std::ostream &os, Indent i) const  
  { 
    os << i << "SobelOperator { this=" << this  << "}" << std::endl;
    Superclass::PrintSelf(os, i.GetNextIndent());
  }

protected:
  typedef typename Superclass::CoefficientVector CoefficientVector;
  typedef typename Superclass::PixelType PixelType;

  CoefficientVector GenerateCoefficients();

  void Fill(const CoefficientVector &c);

};

} // namespace itk

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

#endif

---