itkDenseFrequencyContainer.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkDenseFrequencyContainer.h,v $
  Language:  C++
  Date:      $Date: 2005-09-30 14:14:18 $
  Version:   $Revision: 1.12 $

  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 __itkDenseFrequencyContainer_h
#define __itkDenseFrequencyContainer_h

#include <map>
#include "itkObjectFactory.h"
#include "itkObject.h"
#include "itkValarrayImageContainer.h"
#include "itkNumericTraits.h"

namespace itk{ 
namespace Statistics{

class ITK_EXPORT DenseFrequencyContainer 
  : public Object
{
public:
  typedef DenseFrequencyContainer  Self;
  typedef Object Superclass;
  typedef SmartPointer<Self>   Pointer;
  typedef SmartPointer<const Self> ConstPointer;

  itkTypeMacro(DenseFrequencyContainer, Object);

  itkNewMacro(Self);

  typedef unsigned long InstanceIdentifier ;

  typedef float FrequencyType ;

  typedef NumericTraits<FrequencyType>::AccumulateType TotalFrequencyType ;

  typedef ValarrayImageContainer< InstanceIdentifier, FrequencyType > 
  FrequencyContainerType ;
  typedef FrequencyContainerType::Pointer FrequencyContainerPointer ;

  void Initialize(unsigned long length) ;

  void SetToZero() ;

  bool SetFrequency(const InstanceIdentifier id, const FrequencyType value) ;

  bool IncreaseFrequency(const InstanceIdentifier id, 
                         const FrequencyType value);

  FrequencyType GetFrequency(const InstanceIdentifier id) const ;

  TotalFrequencyType GetTotalFrequency()
  { return m_TotalFrequency ; }

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

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

  FrequencyContainerPointer m_FrequencyContainer ;
  TotalFrequencyType  m_TotalFrequency ;
} ; // end of class

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

#endif

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