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itkForwardDifferenceOperator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkForwardDifferenceOperator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-10-16 23:25:41 $
00007   Version:   $Revision: 1.17 $
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 __itkForwardDifferenceOperator_h
00018 #define __itkForwardDifferenceOperator_h
00019 
00020 #include "itkNeighborhoodOperator.h"
00021 #include "itkExceptionObject.h"
00022 
00023 namespace itk {
00024 
00038 template<class TPixel, unsigned int VDimension=2,
00039   class TAllocator = NeighborhoodAllocator<TPixel> >
00040 class ITK_EXPORT ForwardDifferenceOperator
00041   : public NeighborhoodOperator<TPixel, VDimension, TAllocator>
00042 {
00043 public:
00044 
00046   typedef ForwardDifferenceOperator                               Self;
00047   typedef NeighborhoodOperator<TPixel, VDimension, TAllocator>    Superclass;
00048 
00049   typedef typename Superclass::PixelType PixelType;
00050 
00052   ForwardDifferenceOperator() {}
00053 
00055   ForwardDifferenceOperator(const Self& other)
00056     : NeighborhoodOperator<TPixel, VDimension, TAllocator>(other) { }
00057 
00059   Self &operator=(const Self& other)
00060   {
00061     Superclass::operator=(other);
00062     return *this;
00063   }
00065 
00066 protected:
00068   typedef typename Superclass::CoefficientVector CoefficientVector;
00069 
00071   CoefficientVector GenerateCoefficients();
00072 
00074   void Fill(const CoefficientVector &coeff)
00075 
00076     { this->FillCenteredDirectional(coeff); }
00077 
00078 };
00079   
00080 
00081 } // namespace itk
00082 
00083 #ifndef ITK_MANUAL_INSTANTIATION
00084 #include "itkForwardDifferenceOperator.txx"
00085 #endif
00086 
00087 #endif
00088 

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