itkImageRegistrationMethod.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageRegistrationMethod.h,v $
  Language:  C++
  Date:      $Date: 2009-04-23 03:53:35 $
  Version:   $Revision: 1.22 $

  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 __itkImageRegistrationMethod_h
#define __itkImageRegistrationMethod_h

#include "itkProcessObject.h"
#include "itkImage.h"
#include "itkImageToImageMetric.h"
#include "itkSingleValuedNonLinearOptimizer.h"
#include "itkDataObjectDecorator.h"

namespace itk
{

template <typename TFixedImage, typename TMovingImage>
class ITK_EXPORT ImageRegistrationMethod : public ProcessObject 
{
public:
  typedef ImageRegistrationMethod  Self;
  typedef ProcessObject            Superclass;
  typedef SmartPointer<Self>       Pointer;
  typedef SmartPointer<const Self> ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ImageRegistrationMethod, ProcessObject);

  typedef          TFixedImage                     FixedImageType;
  typedef typename FixedImageType::ConstPointer    FixedImageConstPointer;

  typedef          TMovingImage                     MovingImageType;
  typedef typename MovingImageType::ConstPointer    MovingImageConstPointer;

  typedef ImageToImageMetric< FixedImageType,
                              MovingImageType >       MetricType;
  typedef typename MetricType::Pointer                MetricPointer;
  typedef typename MetricType::FixedImageRegionType   FixedImageRegionType;

  typedef  typename MetricType::TransformType      TransformType;
  typedef  typename TransformType::Pointer         TransformPointer;

  typedef  DataObjectDecorator< TransformType >      TransformOutputType;
  typedef typename TransformOutputType::Pointer      TransformOutputPointer;
  typedef typename TransformOutputType::ConstPointer TransformOutputConstPointer;

  typedef  typename MetricType::InterpolatorType   InterpolatorType;
  typedef  typename InterpolatorType::Pointer      InterpolatorPointer;

  typedef   SingleValuedNonLinearOptimizer         OptimizerType;

  typedef  typename MetricType::TransformParametersType    ParametersType;

  typedef typename DataObject::Pointer DataObjectPointer;

  void StartRegistration(void);

  void StartOptimization(void);

  void SetFixedImage( const FixedImageType * fixedImage );
  itkGetConstObjectMacro( FixedImage, FixedImageType ); 

  void SetMovingImage( const MovingImageType * movingImage );
  itkGetConstObjectMacro( MovingImage, MovingImageType );

  itkSetObjectMacro( Optimizer,  OptimizerType );
  itkGetObjectMacro( Optimizer,  OptimizerType );

  itkSetObjectMacro( Metric, MetricType );
  itkGetObjectMacro( Metric, MetricType );

  itkSetObjectMacro( Transform, TransformType );
  itkGetObjectMacro( Transform, TransformType );

  itkSetObjectMacro( Interpolator, InterpolatorType );
  itkGetObjectMacro( Interpolator, InterpolatorType );

  virtual void SetInitialTransformParameters( const ParametersType & param );
  itkGetConstReferenceMacro( InitialTransformParameters, ParametersType );

  itkGetConstReferenceMacro( LastTransformParameters, ParametersType );

  void SetFixedImageRegion( const  FixedImageRegionType & region ); 

  itkGetConstReferenceMacro( FixedImageRegion, FixedImageRegionType );

  itkGetConstMacro( FixedImageRegionDefined, bool );

  itkSetMacro( FixedImageRegionDefined, bool );

  virtual void Initialize() throw (ExceptionObject);

  const TransformOutputType * GetOutput() const;

  virtual DataObjectPointer MakeOutput(unsigned int idx);

  unsigned long GetMTime() const;  

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

  void  GenerateData ();

  itkSetMacro( LastTransformParameters, ParametersType );


private:
  ImageRegistrationMethod(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  MetricPointer                    m_Metric;
  OptimizerType::Pointer           m_Optimizer;

  MovingImageConstPointer          m_MovingImage;
  FixedImageConstPointer           m_FixedImage;

  TransformPointer                 m_Transform;
  InterpolatorPointer              m_Interpolator;

  ParametersType                   m_InitialTransformParameters;
  ParametersType                   m_LastTransformParameters;
  
  bool                             m_FixedImageRegionDefined;
  FixedImageRegionType             m_FixedImageRegion;

};


} // end namespace itk


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

#endif