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itkNeighborhoodOperator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkNeighborhoodOperator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/09/10 14:29:18 $
00007   Version:   $Revision: 1.25 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkNeighborhoodOperator_h
00018 #define __itkNeighborhoodOperator_h
00019 
00020 #include "itkNeighborhood.h"
00021 #include "itkExceptionObject.h"
00022 #include "itkNumericTraits.h"
00023 #include <vector>
00024 
00025 namespace itk {
00062 template< class TPixel, unsigned int VDimension,
00063   class TAllocator = NeighborhoodAllocator<TPixel> >
00064 class ITK_EXPORT NeighborhoodOperator
00065   : public Neighborhood<TPixel, VDimension, TAllocator>
00066 {
00067 public:
00069   typedef NeighborhoodOperator Self;
00070   typedef Neighborhood<TPixel, VDimension, TAllocator> Superclass;
00071     
00073   typedef typename Superclass::SizeType SizeType;
00074 
00076   typedef TPixel PixelType;
00077 
00079   typedef SliceIterator<TPixel, Self> SliceIteratorType;
00080  
00082   NeighborhoodOperator()
00083     {  m_Direction = 0;  }
00084 
00086   NeighborhoodOperator(const Self &orig)
00087     : Neighborhood<TPixel, VDimension, TAllocator>(orig) 
00088     {   m_Direction = orig.m_Direction;   }
00089   
00091   Self &operator=( const Self &orig )
00092     {
00093       Superclass::operator=(orig);
00094       m_Direction = orig.m_Direction;
00095       return *this;
00096     }
00097   
00099   void SetDirection(const unsigned long &direction)
00100     {  m_Direction = direction;   }
00101 
00103   unsigned long GetDirection() const
00104     {  return m_Direction;  }
00105   
00110   virtual void CreateDirectional();
00111 
00116   virtual void CreateToRadius(const SizeType &);
00117 
00122   virtual void CreateToRadius(const unsigned long);
00123 
00126   virtual void FlipAxes();
00127   
00129   virtual void PrintSelf(std::ostream& os, Indent i) const
00130     {
00131       os << i << "NeighborhoodOperator { this=" << this
00132          << " Direction = " << m_Direction << " }" << std::endl;
00133       Superclass::PrintSelf( os, i.GetNextIndent() );
00134     }
00135 
00136   typedef typename NumericTraits< TPixel >::RealType  PixelRealType;
00137 
00139   void ScaleCoefficients( PixelRealType );
00140   
00141 protected:
00144   typedef std::vector<double>  CoefficientVector;
00145 
00148   virtual CoefficientVector GenerateCoefficients() = 0;
00149 
00152   virtual void Fill(const CoefficientVector &) = 0;
00153   
00159   virtual void FillCenteredDirectional(const CoefficientVector &);
00160 
00162   void InitializeToZero()
00163   {
00164     for (unsigned int i = 0; i< this->Size(); ++i)
00165       { this->operator[](i) = NumericTraits<PixelType>::Zero; }
00166   }
00167   
00168 private:
00170   unsigned long  m_Direction;
00171 };
00172 
00173 } // namespace itk
00174 
00175 #ifndef ITK_MANUAL_INSTANTIATION
00176 #include "itkNeighborhoodOperator.txx"
00177 #endif
00178 
00179 #endif
00180 

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