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itkSparseFrequencyContainer.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkSparseFrequencyContainer.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-03-04 19:29:54 $
00007   Version:   $Revision: 1.12 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkSparseFrequencyContainer_h
00018 #define __itkSparseFrequencyContainer_h
00019 
00020 #include <map>
00021 #include "itkObjectFactory.h"
00022 #include "itkObject.h"
00023 #include "itkNumericTraits.h"
00024 
00025 namespace itk { 
00026 namespace Statistics {
00027 
00036 class ITK_EXPORT SparseFrequencyContainer : public Object
00037 {
00038 public:
00040   typedef SparseFrequencyContainer  Self;
00041   typedef Object                    Superclass;
00042   typedef SmartPointer<Self>        Pointer;
00043   typedef SmartPointer<const Self>  ConstPointer;
00044 
00046   itkTypeMacro(SparseFrequencyContainer, Object);
00047   itkNewMacro(Self);
00049 
00051   typedef unsigned long InstanceIdentifier;
00052 
00054   typedef float FrequencyType;
00055 
00057   typedef NumericTraits<FrequencyType>::AccumulateType TotalFrequencyType;
00058 
00060   typedef std::map< InstanceIdentifier, FrequencyType > FrequencyContainerType;  
00061   typedef FrequencyContainerType::const_iterator 
00062           FrequencyContainerConstIterator;   
00063 
00065   void Initialize(unsigned long length);
00066 
00069   void SetToZero();
00070 
00073   bool SetFrequency(const InstanceIdentifier id, const FrequencyType value);
00074 
00077   bool IncreaseFrequency(const InstanceIdentifier id, 
00078                          const FrequencyType value);
00079 
00082   FrequencyType GetFrequency(const InstanceIdentifier id) const;
00083 
00084   TotalFrequencyType GetTotalFrequency()
00085     { return m_TotalFrequency; }
00086 
00087 protected:
00088   SparseFrequencyContainer();
00089   virtual ~SparseFrequencyContainer() {}
00090   void PrintSelf(std::ostream& os, Indent indent) const;
00091 
00092 private:
00093   SparseFrequencyContainer(const Self&); //purposely not implemented
00094   void operator=(const Self&); //purposely not implemented
00095 
00096   // Container of histogram
00097   FrequencyContainerType m_FrequencyContainer;
00098   TotalFrequencyType     m_TotalFrequency;
00099 }; // end of class
00100 
00101 } // end of namespace Statistics
00102 } // end of namespace itk
00103 
00104 #endif
00105 

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