itkSpatialFunction.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSpatialFunction.h,v $
  Language:  C++
  Date:      $Date: 2002/01/15 18:57:21 $
  Version:   $Revision: 1.14 $

  Copyright (c) 2002 Insight 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 __itkSpatialFunction_h
#define __itkSpatialFunction_h

#include "itkFunctionBase.h"
#include "itkPoint.h"

namespace itk
{

template <typename TOutput, 
          unsigned int VImageDimension=3,
          typename TInput=Point<double, VImageDimension> >
class ITK_EXPORT SpatialFunction : public FunctionBase<TInput, TOutput>
{
public:
  typedef SpatialFunction Self;
  typedef FunctionBase< TInput, TOutput> Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;
  
  itkTypeMacro(SpatialFunction, FunctionBase);

  typedef typename Superclass::InputType InputType;

  typedef typename Superclass::OutputType OutputType;

  virtual OutputType Evaluate( const InputType& input ) const = 0;

protected:
  SpatialFunction();
  virtual ~SpatialFunction();
  void PrintSelf(std::ostream& os, Indent indent) const;

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

};

} // end namespace itk

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

#endif

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