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00017 #ifndef __itkGradientToMagnitudeImageFilter_h
00018 #define __itkGradientToMagnitudeImageFilter_h
00019
00020 #include "itkUnaryFunctorImageFilter.h"
00021
00022 namespace itk
00023 {
00024
00039 namespace Functor {
00040
00041 template< class TInput, class TOutput>
00042 class GradientMagnitude
00043 {
00044 public:
00045 GradientMagnitude() {}
00046 ~GradientMagnitude() {}
00047
00048 inline TOutput operator()( const TInput & A )
00049 {
00050 return static_cast<TOutput>( A.GetNorm() );
00051 }
00052 };
00053 }
00054
00055 template <class TInputImage, class TOutputImage>
00056 class ITK_EXPORT GradientToMagnitudeImageFilter :
00057 public
00058 UnaryFunctorImageFilter<TInputImage,TOutputImage,
00059 Functor::GradientMagnitude< typename TInputImage::PixelType,
00060 typename TOutputImage::PixelType> >
00061 {
00062 public:
00064 typedef GradientToMagnitudeImageFilter Self;
00065 typedef UnaryFunctorImageFilter<TInputImage,TOutputImage,
00066 Functor::GradientMagnitude< typename TInputImage::PixelType,
00067 typename TOutputImage::PixelType> > Superclass;
00068 typedef SmartPointer<Self> Pointer;
00069 typedef SmartPointer<const Self> ConstPointer;
00070
00072 itkNewMacro(Self);
00073
00074 protected:
00075 GradientToMagnitudeImageFilter() {}
00076 virtual ~GradientToMagnitudeImageFilter() {}
00077
00078 private:
00079 GradientToMagnitudeImageFilter(const Self&);
00080 void operator=(const Self&);
00081 };
00082
00083 }
00084
00085
00086 #endif