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00017 #ifndef __itkVectorNearestNeighborInterpolateImageFunction_h
00018 #define __itkVectorNearestNeighborInterpolateImageFunction_h
00019
00020 #include "itkVectorInterpolateImageFunction.h"
00021
00022 namespace itk
00023 {
00024
00041 template <class TInputImage, class TCoordRep = double>
00042 class ITK_EXPORT VectorNearestNeighborInterpolateImageFunction :
00043 public VectorInterpolateImageFunction<TInputImage,TCoordRep>
00044 {
00045 public:
00046
00048 typedef VectorNearestNeighborInterpolateImageFunction Self;
00049 typedef VectorInterpolateImageFunction<TInputImage,TCoordRep> Superclass;
00050 typedef SmartPointer<Self> Pointer;
00051 typedef SmartPointer<const Self> ConstPointer;
00052
00054 itkNewMacro(Self);
00055
00057 itkTypeMacro(VectorNearestNeighborInterpolateImageFunction,
00058 VectorInterpolateImageFunction);
00059
00061 typedef typename Superclass::InputImageType InputImageType;
00062 typedef typename Superclass::PixelType PixelType;
00063 typedef typename Superclass::ValueType ValueType;
00064 typedef typename Superclass::RealType RealType;
00065
00067 itkStaticConstMacro(Dimension, unsigned int,
00068 Superclass::Dimension);
00069
00071 itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension);
00072
00074 typedef typename Superclass::IndexType IndexType;
00075
00077 typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
00078
00080 typedef typename Superclass::OutputType OutputType;
00081
00090 virtual OutputType EvaluateAtContinuousIndex(
00091 const ContinuousIndexType & index ) const
00092 {
00093 IndexType nindex;
00094 this->ConvertContinuousIndexToNearestIndex(index, nindex);
00095 return static_cast<OutputType>( this->GetInputImage()->GetPixel( nindex ) );
00096 }
00098
00099 protected:
00100 VectorNearestNeighborInterpolateImageFunction(){};
00101 ~VectorNearestNeighborInterpolateImageFunction(){};
00102 void PrintSelf(std::ostream& os, Indent indent) const
00103 { Superclass::PrintSelf( os, indent ); }
00104
00105 private:
00106 VectorNearestNeighborInterpolateImageFunction(const Self&);
00107 void operator=(const Self&);
00108 };
00109
00110 }
00111
00112 #endif
00113