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itkExhaustiveOptimizer.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkExhaustiveOptimizer.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-06-24 23:35:49 $
00007   Version:   $Revision: 1.8 $
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 __itkExhaustiveOptimizer_h
00018 #define __itkExhaustiveOptimizer_h
00019 
00020 #include "itkSingleValuedNonLinearOptimizer.h"
00021 
00022 namespace itk
00023 {
00024   
00080 class ITK_EXPORT ExhaustiveOptimizer : 
00081                     public SingleValuedNonLinearOptimizer
00082 {
00083 public:
00085   typedef ExhaustiveOptimizer            Self;
00086   typedef SingleValuedNonLinearOptimizer Superclass;
00087   typedef SmartPointer<Self>             Pointer;
00088   typedef SmartPointer<const Self>       ConstPointer;
00089 
00090   typedef Array< unsigned long > StepsType;
00092   itkNewMacro(Self);
00093 
00095   itkTypeMacro( ExhaustiveOptimizer, SingleValuedNonLinearOptimizer );
00096 
00097   virtual void    StartOptimization( void );
00098 
00099   void StartWalking( void );
00100   void ResumeWalking( void );
00101   void StopWalking(void);
00102   
00103   itkSetMacro( StepLength, double );
00104   itkSetMacro( NumberOfSteps, StepsType );
00105   itkGetConstReferenceMacro( StepLength, double );
00106   itkGetConstReferenceMacro( NumberOfSteps, StepsType );
00107   itkGetConstReferenceMacro( CurrentValue, MeasureType );
00108   itkGetConstReferenceMacro( MaximumMetricValue, MeasureType );
00109   itkGetConstReferenceMacro( MinimumMetricValue, MeasureType );
00110   itkGetConstReferenceMacro( MinimumMetricValuePosition, ParametersType );
00111   itkGetConstReferenceMacro( MaximumMetricValuePosition, ParametersType );
00112   itkGetConstReferenceMacro( CurrentIndex, ParametersType );
00113   itkGetConstReferenceMacro( MaximumNumberOfIterations, unsigned long );
00114 
00116   const std::string GetStopConditionDescription() const;
00117 
00118 protected:
00119   ExhaustiveOptimizer();
00120   virtual ~ExhaustiveOptimizer() {};
00121   void PrintSelf(std::ostream& os, Indent indent) const;
00122 
00124   void AdvanceOneStep( void );
00125   void IncrementIndex( ParametersType & param );
00127 
00128   
00129 protected:
00130   MeasureType          m_CurrentValue;
00131   StepsType            m_NumberOfSteps;
00132   unsigned long        m_CurrentIteration;
00133   bool                 m_Stop;
00134   unsigned int         m_CurrentParameter;
00135   double               m_StepLength; 
00136   ParametersType       m_CurrentIndex;
00137   unsigned long        m_MaximumNumberOfIterations;
00138   MeasureType          m_MaximumMetricValue;
00139   MeasureType          m_MinimumMetricValue;
00140   ParametersType       m_MinimumMetricValuePosition;
00141   ParametersType       m_MaximumMetricValuePosition;
00142   
00143 private:  
00144   ExhaustiveOptimizer(const Self&); //purposely not implemented
00145   void operator=(const Self&);//purposely not implemented
00146 
00147   OStringStream m_StopConditionDescription;
00148 };
00149 
00150 } // end namespace itk
00151 
00152 #endif
00153 

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