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itkTernaryMagnitudeImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkTernaryMagnitudeImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/03/19 04:36:57 $
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 __itkTernaryMagnitudeImageFilter_h
00018 #define __itkTernaryMagnitudeImageFilter_h
00019 
00020 #include "itkTernaryFunctorImageFilter.h"
00021 
00022 namespace itk
00023 {
00024   
00034 namespace Function {  
00035   
00036 template< class TInput1, class TInput2, class TInput3, class TOutput>
00037 class Modulus3
00038 {
00039 public:
00040   Modulus3() {}
00041   ~Modulus3() {}
00042   bool operator!=( const Modulus3 & ) const
00043   {
00044     return false;
00045   }
00046   bool operator==( const Modulus3 & other ) const
00047   {
00048     return !(*this != other);
00049   }
00050   inline TOutput operator()( const TInput1 & A, 
00051                              const TInput2 & B,
00052                              const TInput3 & C)
00053   { return (TOutput) vcl_sqrt((double)(A*A + B*B + C*C) ); }
00054 }; 
00055 }
00056 
00057 template <class TInputImage1, class TInputImage2, 
00058           class TInputImage3, class TOutputImage>
00059 class ITK_EXPORT TernaryMagnitudeImageFilter :
00060     public
00061 TernaryFunctorImageFilter<TInputImage1,TInputImage2,
00062                           TInputImage3,TOutputImage, 
00063                           Function::Modulus3< 
00064   typename TInputImage1::PixelType, 
00065   typename TInputImage2::PixelType,
00066   typename TInputImage3::PixelType,
00067   typename TOutputImage::PixelType>   >
00068 {
00069 public:
00071   typedef TernaryMagnitudeImageFilter  Self;
00072   typedef TernaryFunctorImageFilter<TInputImage1,TInputImage2,
00073                                     TInputImage3,TOutputImage, 
00074                                     Function::Modulus3< 
00075     typename TInputImage1::PixelType, 
00076     typename TInputImage2::PixelType,
00077     typename TInputImage3::PixelType,
00078     typename TOutputImage::PixelType>   
00079   >  Superclass;
00080   typedef SmartPointer<Self>   Pointer;
00081   typedef SmartPointer<const Self>  ConstPointer;
00082 
00084   itkNewMacro(Self);
00085 
00086 protected:
00087   TernaryMagnitudeImageFilter() {}
00088   virtual ~TernaryMagnitudeImageFilter() {}
00089 
00090 private:
00091   TernaryMagnitudeImageFilter(const Self&); //purposely not implemented
00092   void operator=(const Self&); //purposely not implemented
00093 
00094 
00095 };
00096 
00097 } // end namespace itk
00098 
00099 
00100 #endif
00101 

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