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itkLaplacianOperator.h

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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

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