frePowellSOOptimizer.h

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

  Program:   F.R.E.E. - flexible registration evaluation engine
  Version:   v.1.0.0
  Date:      $Date: 2006/09/01 12:00:00 $
  Module:    $RCSfile: frePowellSOOptimizer.h,v $
  Language:  C++



  Copyright (c) 2007 Ralf o Floca (Department of Medical Informatics,
  Institute for Medical Biometry and Informatics, University of Heidelberg,
  Germany). All rights reserved.
  See FREECopyright.txt or http://www.mi.med.uni-hd.de/free/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 __frePowellSOOptimizer_h
#define __frePowellSOOptimizer_h

#include "freSetupOptimizationOptimizer.h"
#include "freRegistrationObserver.h"
#include "freItkSingleValuedCostFunctionWrapper.h"

#include "itkPowellOptimizer.h"

namespace FREE
{
  
class ITK_EXPORT PowellSOOptimizer : 
        public SetupOptimizationOptimizer
{
public:
  typedef PowellSOOptimizer  Self;
  typedef SetupOptimizationOptimizer                                                            Superclass;
  typedef itk::SmartPointer<Self>               Pointer;
  typedef itk::SmartPointer<const Self>         ConstPointer;

  itkTypeMacro( PowellSOOptimizer, SetupOptimizationOptimizer );

  itkNewMacro(Self);

  void SetMaximize(bool maximize);
  itkBooleanMacro( Maximize );

  void SetMaximumIteration(unsigned int iMaximumIteration);
  const unsigned int GetMaximumIteration() const;

  void SetMaximumLineIteration(unsigned int iMaximumLineIteration);
  const unsigned int GetMaximumLineIteration() const;

  void SetStepLength(double dStepLength);
  const double& GetStepLength() const;

  void SetStepTolerance(double dStepTolerance);
  const double& GetStepTolerance() const;

  void SetValueTolerance(double dValueTolerance);
  const double& GetValueTolerance() const;

        virtual void SetCostFunction( CostFunctionType * costFunction );

        virtual void SetInitialPosition (const ParametersType &param);

  virtual void StartOptimization( void );

        virtual void StopOptimization();

  virtual bool IsStoppable() const;

        typedef itk::PowellOptimizer ItkOptimizerType;
        typedef ItkOptimizerType::Pointer ItkOptimizerPointer;

        ItkOptimizerType * GetItkOptimizer();

protected:
  PowellSOOptimizer();
  virtual ~PowellSOOptimizer();
        void PrintSelf(std::ostream& os, itk::Indent indent) const;

  void OnOptIteration(void* pSender, long threadID);
  void OnOptStart(void* pSender, long threadID);
  void OnOptEnd(void* pSender, long threadID);

  IterationObserver::Pointer m_IterationObserver;
        NotificationEvent<Self>::Pointer m_IterationNotificationEvent;

        typedef RegistrationObserverBase<itk::StartEvent> StartObserver;
        StartObserver::Pointer m_StartObserver;
        NotificationEvent<Self>::Pointer m_StartNotificationEvent;

        typedef RegistrationObserverBase<itk::EndEvent> EndObserver;
        EndObserver::Pointer m_EndObserver;
        NotificationEvent<Self>::Pointer m_EndNotificationEvent;

        ItkOptimizerPointer m_ItkOptimizer;
        ItkSingleValuedCostFunctionWrapper::Pointer m_CostFunctionWrapper;

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

} // end namespace FREE

#endif
    
 

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