itkVectorNearestNeighborInterpolateImageFunction.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkVectorNearestNeighborInterpolateImageFunction.h,v $
  Language:  C++
  Date:      $Date: 2004/12/21 16:52:03 $
  Version:   $Revision: 1.2 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef _itkVectorNearestNeighborInterpolateImageFunction_h
#define _itkVectorNearestNeighborInterpolateImageFunction_h

#include "itkVectorInterpolateImageFunction.h"

namespace itk
{

template <class TInputImage, class TCoordRep = float>
class ITK_EXPORT VectorNearestNeighborInterpolateImageFunction : 
  public VectorInterpolateImageFunction<TInputImage,TCoordRep> 
{
public:
  typedef VectorNearestNeighborInterpolateImageFunction Self;
  typedef VectorInterpolateImageFunction<TInputImage,TCoordRep> Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
  
  itkNewMacro(Self);  

  itkTypeMacro(VectorNearestNeighborInterpolateImageFunction, 
    VectorInterpolateImageFunction);

  typedef typename Superclass::InputImageType InputImageType;
  typedef typename Superclass::PixelType      PixelType;
  typedef typename Superclass::ValueType      ValueType;
  typedef typename Superclass::RealType       RealType;
    
  itkStaticConstMacro(Dimension, unsigned int,
                       Superclass::Dimension);

  itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension);

  typedef typename Superclass::IndexType IndexType;

  typedef typename Superclass::ContinuousIndexType ContinuousIndexType;

  typedef typename Superclass::OutputType OutputType;

  virtual OutputType EvaluateAtContinuousIndex( 
    const ContinuousIndexType & index ) const;

protected:
  VectorNearestNeighborInterpolateImageFunction();
  ~VectorNearestNeighborInterpolateImageFunction(){};
  void PrintSelf(std::ostream& os, Indent indent) const;

private:
  VectorNearestNeighborInterpolateImageFunction(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  static const unsigned long  m_Neighbors;  

};

} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkVectorNearestNeighborInterpolateImageFunction.txx"
#endif

#endif

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