itkPointSetToPointSetMetric.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkPointSetToPointSetMetric.h,v $
  Language:  C++
  Date:      $Date: 2009-01-26 21:45:56 $
  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 __itkPointSetToPointSetMetric_h
#define __itkPointSetToPointSetMetric_h

#include "itkImageBase.h"
#include "itkTransform.h"
#include "itkMultipleValuedCostFunction.h"
#include "itkExceptionObject.h"
#include "itkGradientRecursiveGaussianImageFilter.h"

namespace itk
{
  
template <class TFixedPointSet,  class TMovingPointSet> 
class ITK_EXPORT PointSetToPointSetMetric : public MultipleValuedCostFunction 
{
public:

  typedef PointSetToPointSetMetric        Self;
  typedef MultipleValuedCostFunction      Superclass;
  typedef SmartPointer<Self>              Pointer;
  typedef SmartPointer<const Self>        ConstPointer;

  typedef Superclass::ParametersValueType CoordinateRepresentationType;

  itkTypeMacro(PointSetToPointSetMetric, MultipleValuedCostFunction);

  typedef TMovingPointSet                               MovingPointSetType;
  typedef typename TMovingPointSet::PixelType           MovingPointSetPixelType;
  typedef typename MovingPointSetType::ConstPointer     MovingPointSetConstPointer;

  typedef TFixedPointSet                             FixedPointSetType;
  typedef typename FixedPointSetType::ConstPointer   FixedPointSetConstPointer;

  itkStaticConstMacro(MovingPointSetDimension, unsigned int,
                      TMovingPointSet::PointDimension);
  itkStaticConstMacro(FixedPointSetDimension, unsigned int,
                      TFixedPointSet::PointDimension);

  typedef typename FixedPointSetType::PointsContainer::ConstIterator        PointIterator;
  typedef typename FixedPointSetType::PointDataContainer::ConstIterator     PointDataIterator;

  typedef Transform<CoordinateRepresentationType, 
                    itkGetStaticConstMacro(MovingPointSetDimension),
                    itkGetStaticConstMacro(FixedPointSetDimension)> TransformType;

  typedef typename TransformType::Pointer            TransformPointer;
  typedef typename TransformType::InputPointType     InputPointType;
  typedef typename TransformType::OutputPointType    OutputPointType;
  typedef typename TransformType::ParametersType     TransformParametersType;
  typedef typename TransformType::JacobianType       TransformJacobianType;

  typedef Superclass::MeasureType          MeasureType;

  typedef Superclass::DerivativeType       DerivativeType;

  typedef Superclass::ParametersType       ParametersType;

  itkSetConstObjectMacro( FixedPointSet, FixedPointSetType );

  itkGetConstObjectMacro( FixedPointSet, FixedPointSetType );

  itkSetConstObjectMacro( MovingPointSet, MovingPointSetType );

  itkGetConstObjectMacro( MovingPointSet, MovingPointSetType );

  itkSetObjectMacro( Transform, TransformType );

  itkGetObjectMacro( Transform, TransformType );

  void SetTransformParameters( const ParametersType & parameters ) const;

  unsigned int GetNumberOfParameters(void) const 
  { return m_Transform->GetNumberOfParameters(); }

  virtual void Initialize(void) throw ( ExceptionObject );

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

  FixedPointSetConstPointer   m_FixedPointSet;
  MovingPointSetConstPointer  m_MovingPointSet;

  mutable TransformPointer    m_Transform;

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

} // end namespace itk

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

#endif

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