freVectorFieldSetVarianceCalculator.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: freVectorFieldSetVarianceCalculator.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 __freVectorFieldSetVarianceCalculator_h
#define __freVectorFieldSetVarianceCalculator_h

#include "freElementals.h"
#include "freExceptions.h"
#include "freEvents.h"
#include "freVectorFieldSetCharacteristic.h"
#include "freImageTypes.h"

namespace FREE
{

template <unsigned int VImageDimension>
class VectorFieldSetVarianceCalculator
{

public:
        typedef typename ImageTypes<VImageDimension>::TransformationFieldType VectorFieldType;
  typedef typename VectorFieldType::Pointer VectorFieldPointer;
  typedef std::vector< VectorFieldPointer > VectorFieldArrayType;

        typedef typename ImageTypes<VImageDimension>::InternalImageType VarianceFieldType;
  typedef typename VarianceFieldType::Pointer VarianceFieldPointer;

  virtual const char *GetNameOfClass() const
        {return "VectorFieldSetVarianceCalculator";};

protected:
  VectorFieldPointer m_smpMeanVectorField;

  VarianceFieldPointer m_smpVarianceDifferenceField;

        std::string m_sFieldsPath;

  bool m_bFieldsOnDisk; // = true;

        unsigned int m_iSetSize;

  VectorFieldArrayType m_VectorFields;

        void ComputeDifferenceVectorFields();

        void ComputeVarianceDifferenceField();

        void SetVectorField(const VectorFieldPointer& smpField, unsigned int iIndex);
        VectorFieldPointer GetVectorField(unsigned int iIndex);

        void ClearVectorFields();

        std::string GetVectorFieldName(unsigned int iIndex);

public:  
  static const int GetDimension() { return VImageDimension; };

        void SetFieldsPath(std::string sPath) { m_sFieldsPath = sPath; };

  const std::string GetFieldsPath() const {return m_sFieldsPath;};

        void SetSaveFieldsOnDisk(bool bOnDisk) { m_bFieldsOnDisk = bOnDisk; };

  const bool GetSaveFieldsOnDisk() const {return m_bFieldsOnDisk;};

        void AddVectorField(VectorFieldType* pVectorField);

  const unsigned int GetSetSize() { return m_iSetSize; };

  void Compute();

  inline VectorFieldType* GetMeanVectorField() { return m_smpMeanVectorField;};

  inline VarianceFieldType* GetVarianceField() { return m_smpVarianceDifferenceField;};

  void Reset();

  VectorFieldSetVarianceCalculator();

  virtual ~VectorFieldSetVarianceCalculator();

        ProgressEventBase::Pointer fnOnProgress;

        ProgressEventBase::Pointer fnOnNextVectorField;

        CallbackEventBase::Pointer fnOnNewDifferenceVectorField;
};

} //End of namespace FREE

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

#endif

---