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itkVectorLinearInterpolateNearestNeighborExtrapolateImageFunction.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkVectorLinearInterpolateNearestNeighborExtrapolateImageFunction.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-09-30 14:04:52 $
00007   Version:   $Revision: 1.6 $
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 
00018 #ifndef __itkVectorLinearInterpolateNearestNeighborExtrapolateImageFunction_h
00019 #define __itkVectorLinearInterpolateNearestNeighborExtrapolateImageFunction_h
00020 
00021 #include "itkVectorInterpolateImageFunction.h"
00022 
00023 namespace itk
00024 {
00025 
00053 template <class TInputImage, class TCoordRep = float>
00054 class ITK_EXPORT VectorLinearInterpolateNearestNeighborExtrapolateImageFunction :
00055       public VectorInterpolateImageFunction<TInputImage,TCoordRep>
00056 {
00057 public:
00058 
00060   typedef VectorLinearInterpolateNearestNeighborExtrapolateImageFunction Self;
00061   typedef VectorInterpolateImageFunction<TInputImage,TCoordRep>          Superclass;
00062   typedef SmartPointer<Self>                                             Pointer;
00063   typedef SmartPointer<const Self>                                       ConstPointer;
00064 
00066   itkNewMacro(Self);
00067 
00069   itkTypeMacro(VectorLinearInterpolateNearestNeighborExtrapolateImageFunction,
00070                VectorInterpolateImageFunction);
00071 
00073   typedef typename Superclass::InputImageType                           InputImageType;
00074   typedef typename Superclass::PixelType                                PixelType;
00075   typedef typename Superclass::ValueType                                ValueType;
00076   typedef typename Superclass::RealType                                 RealType;
00077 
00078   typedef typename Superclass::PointType                                PointType;
00079 
00081   itkStaticConstMacro(Dimension, unsigned int,
00082                       Superclass::Dimension);
00083 
00085   itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension);
00086 
00088   typedef typename Superclass::IndexType                               IndexType;
00089 
00091   typedef typename Superclass::ContinuousIndexType                     ContinuousIndexType;
00092 
00094   typedef typename Superclass::OutputType                              OutputType;
00095 
00098   virtual bool IsInsideBuffer( const IndexType & ) const
00099     { 
00100     return true;
00101     }
00102 
00105   virtual bool IsInsideBuffer( const PointType & ) const
00106     {
00107     return true;
00108     }
00109 
00112   virtual bool IsInsideBuffer( const ContinuousIndexType & ) const
00113     {
00114     return true;
00115     }
00116 
00122   virtual OutputType EvaluateAtContinuousIndex(
00123      const ContinuousIndexType & index ) const;
00124 
00130   virtual OutputType EvaluateAtIndex( const IndexType & index ) const;
00131 
00132 protected:
00133   VectorLinearInterpolateNearestNeighborExtrapolateImageFunction();
00134   virtual ~VectorLinearInterpolateNearestNeighborExtrapolateImageFunction() {}
00135 
00136   virtual void PrintSelf(std::ostream& os, Indent indent) const;
00137 
00138 private:
00139   VectorLinearInterpolateNearestNeighborExtrapolateImageFunction(const Self&); //purposely not implemented
00140   void operator=(const Self&); //purposely not implemented
00141 
00143   static const unsigned long  m_Neighbors;
00144 
00145 };
00146 
00147 } // end namespace itk
00148 
00149 #ifndef ITK_MANUAL_INSTANTIATION
00150 #include "itkVectorLinearInterpolateNearestNeighborExtrapolateImageFunction.txx"
00151 #endif
00152 
00153 #endif
00154 

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