itkLandmarkBasedTransformInitializer.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkLandmarkBasedTransformInitializer.h,v $
  Language:  C++
  Date:      $Date: 2008-06-26 13:50:49 $
  Version:   $Revision: 1.7 $

  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 __itkLandmarkBasedTransformInitializer_h
#define __itkLandmarkBasedTransformInitializer_h

#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkVersorRigid3DTransform.h"
#include "itkRigid2DTransform.h"
#include <vector>
#include <iostream>

namespace itk
{

template < class TTransform,
           class TFixedImage,
           class TMovingImage > 
class ITK_EXPORT LandmarkBasedTransformInitializer : 
            public Object
{
public:
  typedef LandmarkBasedTransformInitializer     Self;
  typedef Object                           Superclass;
  typedef SmartPointer<Self>               Pointer;
  typedef SmartPointer<const Self>         ConstPointer;

  itkNewMacro( Self );

  itkTypeMacro( LandmarkBasedTransformInitializer, Object );

  typedef TTransform                        TransformType;
  typedef typename TransformType::Pointer   TransformPointer;

  itkStaticConstMacro(InputSpaceDimension, unsigned int, TransformType::InputSpaceDimension);
  itkStaticConstMacro(OutputSpaceDimension, unsigned int, TransformType::OutputSpaceDimension);

  itkSetObjectMacro( Transform,   TransformType   );

  typedef   TFixedImage              FixedImageType;
  typedef   TMovingImage             MovingImageType;

  typedef   typename FixedImageType::ConstPointer   FixedImagePointer;
  typedef   typename MovingImageType::ConstPointer  MovingImagePointer;


  void SetFixedImage( const FixedImageType * image )
    {
    this->m_FixedImage = image;
    itkLegacyBodyMacro( SetFixedImage, 2.2 );
    }


  void SetMovingImage( const MovingImageType * image )
    {
    this->m_MovingImage = image;
    itkLegacyBodyMacro( SetMovingImage, 2.2 );
    }


  itkStaticConstMacro(ImageDimension, unsigned int, FixedImageType::ImageDimension );

  typedef typename TransformType::InputPointType   InputPointType;
  typedef typename TransformType::OutputVectorType  OutputVectorType;
  typedef Point< double, itkGetStaticConstMacro(ImageDimension) > LandmarkPointType;
  typedef std::vector< LandmarkPointType >              LandmarkPointContainer;
  typedef typename
          LandmarkPointContainer::const_iterator        PointsContainerConstIterator;
  typedef typename TransformType::ParametersType ParametersType;
  typedef typename ParametersType::ValueType     ParameterValueType;


    
  void SetFixedLandmarks(const LandmarkPointContainer & fixedLandmarks)
    {
    this->m_FixedLandmarks = fixedLandmarks;
    } 

  void SetMovingLandmarks(const LandmarkPointContainer & movingLandmarks)
    {
    this->m_MovingLandmarks = movingLandmarks;
    }


  typedef VersorRigid3DTransform< ParameterValueType >   
                                        VersorRigid3DTransformType;
  typedef Rigid2DTransform< ParameterValueType > Rigid2DTransformType;

  virtual void InitializeTransform() ;


protected:
  LandmarkBasedTransformInitializer();
  ~LandmarkBasedTransformInitializer(){};

  void PrintSelf(std::ostream &os, Indent indent) const;

  // Supported Transform types
  typedef enum{
    VersorRigid3Dtransform=1,
    Rigid2Dtransfrom,
    Else
  }InputTransformType;

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

  FixedImagePointer   m_FixedImage;
  MovingImagePointer  m_MovingImage;

  LandmarkPointContainer m_FixedLandmarks;
  LandmarkPointContainer m_MovingLandmarks;
 
  TransformPointer    m_Transform;
  
}; //class LandmarkBasedTransformInitializer


}  // namespace itk


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

#endif /* __itkLandmarkBasedTransformInitializer_h */

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