itkIterativeClosestPointMetric.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkIterativeClosestPointMetric.h,v $
  Language:  C++
  Date:      $Date: 2003/11/08 19:33:16 $
  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 __itkIterativeClosestPointMetric_h
#define __itkIterativeClosestPointMetric_h

#include "itkPointSetToPointSetMetric.h"
#include "itkCovariantVector.h"
#include "itkPoint.h"
#include "itkPointSet.h"
#include "itkImage.h"

namespace itk
{
template < class TFixedPointSet, class TMovingPointSet, 
class TDistanceMap = ::itk::Image<unsigned short,::itk::GetPointSetDimension<TMovingPointSet>::PointDimension> >
class ITK_EXPORT IterativeClosestPointMetric : 
    public PointSetToPointSetMetric< TFixedPointSet, TMovingPointSet>
{
public:

  typedef IterativeClosestPointMetric    Self;
  typedef PointSetToPointSetMetric<TFixedPointSet, TMovingPointSet >  Superclass;

  typedef SmartPointer<Self>         Pointer;
  typedef SmartPointer<const Self>   ConstPointer;

  itkNewMacro(Self);
 
  itkTypeMacro(IterativeClosestPointMetric, Object);
 
  typedef typename Superclass::TransformType              TransformType;
  typedef typename Superclass::TransformPointer           TransformPointer;
  typedef typename Superclass::TransformParametersType    TransformParametersType;
  typedef typename Superclass::TransformJacobianType      TransformJacobianType;

  typedef typename Superclass::MeasureType                MeasureType;
  typedef typename Superclass::DerivativeType             DerivativeType;
  typedef typename Superclass::FixedPointSetType          FixedPointSetType;
  typedef typename Superclass::MovingPointSetType         MovingPointSetType;
  typedef typename Superclass::FixedPointSetConstPointer  FixedPointSetConstPointer;
  typedef typename Superclass::MovingPointSetConstPointer MovingPointSetConstPointer;

  typedef typename Superclass::PointIterator              PointIterator;
  typedef typename Superclass::PointDataIterator          PointDataIterator;

  typedef TDistanceMap                                    DistanceMapType;
  typedef typename DistanceMapType::Pointer               DistanceMapPointer;


  unsigned int GetNumberOfValues() const;

  void GetDerivative( const TransformParametersType & parameters,
                      DerivativeType & Derivative ) const;

  MeasureType GetValue( const TransformParametersType & parameters ) const;

  void GetValueAndDerivative( const TransformParametersType & parameters,
                              MeasureType& Value, DerivativeType& Derivative ) const;

  itkSetObjectMacro(DistanceMap,DistanceMapType);
  itkGetConstObjectMacro(DistanceMap,DistanceMapType);

protected:
  IterativeClosestPointMetric();
  virtual ~IterativeClosestPointMetric() {};

  void PrintSelf(std::ostream& os, Indent indent) const;

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

  DistanceMapPointer m_DistanceMap;

};

} // end namespace itk

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

#endif

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