Main Page   Groups   Namespace List   Class Hierarchy   Alphabetical List   Compound List   File List   Namespace Members   Compound Members   File Members   Concepts

itkLaplacianOperator.h

Go to the documentation of this file.
00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkLaplacianOperator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/09/10 14:29:14 $
00007   Version:   $Revision: 1.8 $
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 __itkLaplacianOperator_h
00018 #define __itkLaplacianOperator_h
00019 
00020 #include "itkExceptionObject.h"
00021 #include "itkNeighborhoodOperator.h"
00022 
00023 namespace itk {
00024 
00055 template<class TPixel, unsigned int VDimension=2,
00056   class TAllocator = NeighborhoodAllocator<TPixel> >
00057 class ITK_EXPORT LaplacianOperator
00058   : public NeighborhoodOperator<TPixel, VDimension, TAllocator>
00059 {
00060 public:
00062   typedef LaplacianOperator Self;
00063 
00065   typedef NeighborhoodOperator<TPixel, VDimension, TAllocator>  Superclass;
00066 
00067   typedef typename Superclass::PixelType PixelType;
00068 
00070   LaplacianOperator()
00071   {
00072     for (unsigned i = 0; i < VDimension; ++i)
00073       {
00074       m_DerivativeScalings[i] = 1.0;
00075       }
00076   }
00077 
00079   LaplacianOperator(const Self& other)
00080     : NeighborhoodOperator<TPixel, VDimension, TAllocator>(other) 
00081   {
00082     for (unsigned i = 0; i < VDimension; ++i)
00083       {
00084       m_DerivativeScalings[i] = other.m_DerivativeScalings[i];
00085       }
00086   }
00087   
00089   void CreateOperator();  
00090 
00091  
00093   Self &operator=(const Self& other)
00094   {
00095     Superclass::operator=(other);
00096     return *this;
00097   }
00098   
00100   virtual void PrintSelf(std::ostream &os, Indent i) const  
00101   { 
00102     os << i << "LaplacianOperator { this=" << this
00103        << "}" << std::endl;
00104     Superclass::PrintSelf(os, i.GetNextIndent());
00105   }
00106 
00110   void SetDerivativeScalings( const double *s );
00111            
00112 protected:
00115   typedef typename Superclass::CoefficientVector CoefficientVector;
00116 
00118   CoefficientVector GenerateCoefficients();
00119 
00122   void Fill(const CoefficientVector &);
00123 
00124 private:
00126   double m_DerivativeScalings[VDimension];
00127   
00128 };
00129 
00130 } // namespace itk
00131 
00132 #ifndef ITK_MANUAL_INSTANTIATION
00133 #include "itkLaplacianOperator.txx"
00134 #endif
00135 
00136 #endif
00137 
00138 

Generated at Sun Jan 25 13:19:38 2004 for ITK by doxygen 1.3.3 written by Dimitri van Heesch, © 1997-2000