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itkBinaryMagnitudeImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkBinaryMagnitudeImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/03/19 04:36:56 $
00007   Version:   $Revision: 1.13 $
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 __itkBinaryMagnitudeImageFilter_h
00018 #define __itkBinaryMagnitudeImageFilter_h
00019 
00020 #include "itkBinaryFunctorImageFilter.h"
00021 
00022 namespace itk
00023 {
00024   
00048 namespace Functor {  
00049   
00050 template< class TInput1, class TInput2, class TOutput>
00051 class Modulus2
00052 {
00053 public:
00054   Modulus2() {};
00055   ~Modulus2() {};
00056   bool operator!=( const Modulus2 & ) const
00057   {
00058     return false;
00059   }
00060   bool operator==( const Modulus2 & other ) const
00061   {
00062     return !(*this != other);
00063   }
00064   inline TOutput operator()( const TInput1 & A, 
00065                              const TInput2 & B)
00066   {
00067     const double dA = static_cast<double>( A );
00068     const double dB = static_cast<double>( B );
00069     return static_cast<TOutput>( vcl_sqrt(dA*dA + dB*dB) );
00070   }
00071 }; 
00072 }
00073 
00074 template <class TInputImage1, class TInputImage2, class TOutputImage>
00075 class ITK_EXPORT BinaryMagnitudeImageFilter :
00076     public
00077 BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage, 
00078                          Functor::Modulus2< 
00079   typename TInputImage1::PixelType, 
00080   typename TInputImage2::PixelType,
00081   typename TOutputImage::PixelType>   >
00082 {
00083 public:
00085   typedef BinaryMagnitudeImageFilter  Self;
00086   typedef BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage, 
00087                                    Functor::Modulus2< 
00088     typename TInputImage1::PixelType, 
00089     typename TInputImage2::PixelType,
00090     typename TOutputImage::PixelType>   
00091   >  Superclass;
00092   typedef SmartPointer<Self>   Pointer;
00093   typedef SmartPointer<const Self>  ConstPointer;
00094 
00096   itkNewMacro(Self);
00097 
00098 #ifdef ITK_USE_CONCEPT_CHECKING
00099 
00100   itkConceptMacro(Input1ConvertibleToDoubleCheck,
00101     (Concept::Convertible<typename TInputImage1::PixelType, double>));
00102   itkConceptMacro(Input2ConvertibleToDoubleCheck,
00103     (Concept::Convertible<typename TInputImage2::PixelType, double>));
00104   itkConceptMacro(DoubleConvertibleToOutputCheck,
00105     (Concept::Convertible<double, typename TOutputImage::PixelType>));
00106 
00108 #endif
00109 
00110 protected:
00111   BinaryMagnitudeImageFilter() {}
00112   virtual ~BinaryMagnitudeImageFilter() {}
00113 
00114 private:
00115   BinaryMagnitudeImageFilter(const Self&); //purposely not implemented
00116   void operator=(const Self&); //purposely not implemented
00117 
00118 };
00119 
00120 } // end namespace itk
00121 
00122 
00123 #endif
00124 

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