itkPointSetToListAdaptor.h

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

Program:   Insight Segmentation & Registration Toolkit
Module:    $RCSfile: itkPointSetToListAdaptor.h,v $
Language:  C++
Date:      $Date: 2003/09/10 14:29:47 $
Version:   $Revision: 1.9 $

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 __itkPointSetToListAdaptor_h
#define __itkPointSetToListAdaptor_h

#include <typeinfo>

#include "itkPointSet.h"
#include "itkListSampleBase.h"
#include "itkSmartPointer.h"

namespace itk{ 
namespace Statistics{

template < class TPointSet >
class ITK_EXPORT PointSetToListAdaptor :
    public ListSampleBase< typename TPointSet::PointType >
{
public:
  typedef PointSetToListAdaptor Self;
  typedef ListSampleBase< typename TPointSet::PointType > Superclass ;
  typedef SmartPointer< Self > Pointer;
  
  itkTypeMacro(PointSetToListAdaptor, ListSampleBase) ;
  
  itkNewMacro(Self) ;
  
  itkStaticConstMacro(MeasurementVectorSize, unsigned int,
                      TPointSet::PointDimension);

  typedef TPointSet PointSetType;
  typedef typename TPointSet::Pointer PointSetPointer ;
  typedef typename TPointSet::PointIdentifier InstanceIdentifier;
  typedef typename TPointSet::PointsContainerPointer PointsContainerPointer ;
  typedef typename TPointSet::PointsContainerIterator PointsContainerIterator ;
  typedef typename TPointSet::PointType PointType ;


  typedef typename Superclass::MeasurementType MeasurementType ;
  typedef typename Superclass::MeasurementVectorType MeasurementVectorType;
  typedef MeasurementVectorType ValueType ;
  typedef typename Superclass::FrequencyType FrequencyType ;

  void SetPointSet(TPointSet* pointSet) ;

  TPointSet* GetPointSet() ;

  unsigned int Size() const ;

  MeasurementVectorType GetMeasurementVector(const InstanceIdentifier &id) ;

  void SetMeasurement(const InstanceIdentifier &id, 
                      const unsigned int &dim,
                      const MeasurementType &value) ;

  FrequencyType GetFrequency(const InstanceIdentifier &id) const ;

  FrequencyType GetTotalFrequency() const ;

  class Iterator;
  friend class Iterator;
  
  Iterator Begin()
  { 
    Iterator iter(m_PointsContainer->Begin());
    return iter; 
  }
  
  Iterator End()        
  {
    Iterator iter(m_PointsContainer->End()); 
    return iter; 
  }
  
  class Iterator
  {
  public:
    
    Iterator(){}
    
    Iterator(PointsContainerIterator iter)
      :m_Iter(iter)
    {}
    
    FrequencyType GetFrequency() const
    { return 1 ;}

    MeasurementVectorType GetMeasurementVector()
    { return (MeasurementVectorType&) m_Iter.Value() ;} 

    InstanceIdentifier GetInstanceIdentifier() const
    { return m_Iter.Index() ;}

    Iterator& operator++()
    { ++m_Iter ; return *this ;}
    
    Iterator& operator--()
    { --m_Iter ; return *this ;}

    bool operator!=(const Iterator &it)
    { return (m_Iter != it.m_Iter) ;}
    
    bool operator==(const Iterator &it)
    { return (m_Iter == it.m_Iter) ;}
    
    Iterator& operator = (const Iterator &iter)
    { 
      m_Iter = iter.m_Iter; 
      return iter ;
    }

    Iterator(const Iterator &iter)
    { m_Iter = iter.m_Iter; }
    
  private:
    PointsContainerIterator m_Iter ;
  } ;
  
protected:
  PointSetToListAdaptor() ;
  virtual ~PointSetToListAdaptor() {}
  void PrintSelf(std::ostream& os, Indent indent) const;  

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

  PointSetPointer m_PointSet ;
  PointsContainerPointer m_PointsContainer ;
  PointType m_TempPoint ;
} ; // end of class PointSetToListAdaptor

} // end of namespace Statistics
} // end of namespace itk


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

#endif

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