itkLandmarkBasedTransformInitializer.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkLandmarkBasedTransformInitializer_h
#define __itkLandmarkBasedTransformInitializer_h

#include "itkObject.h"
#include "itkObjectFactory.h"
#include "itkVersorRigid3DTransform.h"
#include "itkRigid2DTransform.h"
#include "itkAffineTransform.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;

  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;
  typedef std::vector< double >                                   LandmarkWeightType;
  typedef LandmarkWeightType::const_iterator                      LandmarkWeightConstIterator;

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

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

  void SetLandmarkWeight(LandmarkWeightType & landmarkWeight)
  {
    this->m_LandmarkWeight= landmarkWeight;
  }

  typedef VersorRigid3DTransform< ParameterValueType >                          VersorRigid3DTransformType;
  typedef Rigid2DTransform< ParameterValueType >                                Rigid2DTransformType;
  typedef AffineTransform< ParameterValueType, FixedImageType::ImageDimension > AffineTransformType;

  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


  template <class TTransform2>
    void InternalInitializeTransform(TTransform *);

  void InternalInitializeTransform(VersorRigid3DTransformType *);

  void InternalInitializeTransform(Rigid2DTransformType *);

  void InternalInitializeTransform(AffineTransformType *);

  FixedImagePointer  m_FixedImage;
  MovingImagePointer m_MovingImage;

  LandmarkPointContainer m_FixedLandmarks;
  LandmarkPointContainer m_MovingLandmarks;

  TransformPointer m_Transform;
  LandmarkWeightType m_LandmarkWeight;

}; //class LandmarkBasedTransformInitializer
}  // namespace itk

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

#endif /* __itkLandmarkBasedTransformInitializer_h */