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 "itkBSplineTransform.h"
#include "itkPoint.h"
#include "itkPointSet.h"
#include "itkBSplineScatteredDataPointSetToImageFilter.h"
#include "itkVectorIndexSelectionCastImageFilter.h"
#include <vector>

namespace itk
{
template< typename TTransform,
          typename TFixedImage = itk::ImageBase<TTransform::InputSpaceDimension > ,
          typename TMovingImage = itk::ImageBase<TTransform::OutputSpaceDimension> >
class ITK_TEMPLATE_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;

  itkSetConstObjectMacro(ReferenceImage,   FixedImageType);

  itkSetMacro(BSplineNumberOfControlPoints, unsigned int);

  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, ImageDimension >                 LandmarkPointType;
  typedef std::vector< LandmarkPointType >                LandmarkPointContainer;
  typedef typename LandmarkPointContainer::const_iterator PointsContainerConstIterator;

  typedef typename TransformType::ParametersType                  ParametersType;
  typedef typename ParametersType::ValueType                      ParametersValueType;
  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< ParametersValueType >                          VersorRigid3DTransformType;
  typedef Rigid2DTransform< ParametersValueType >                                Rigid2DTransformType;
  typedef AffineTransform< ParametersValueType, FixedImageType::ImageDimension > AffineTransformType;

  const static unsigned int SplineOrder = 3;
  typedef BSplineTransform< ParametersValueType,
                            FixedImageType::ImageDimension,
                            SplineOrder>                                        BSplineTransformType;

  virtual void InitializeTransform();

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

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

private:
  ITK_DISALLOW_COPY_AND_ASSIGN(LandmarkBasedTransformInitializer);


  template <typename TTransform2>
  void InternalInitializeTransform(TTransform2 *);

  void InternalInitializeTransform(VersorRigid3DTransformType *);

  void InternalInitializeTransform(Rigid2DTransformType *);

  void InternalInitializeTransform(AffineTransformType *);

  void InternalInitializeTransform(BSplineTransformType *);

  FixedImagePointer      m_ReferenceImage;
  TransformPointer       m_Transform;
  LandmarkPointContainer m_FixedLandmarks;
  LandmarkPointContainer m_MovingLandmarks;
  LandmarkWeightType     m_LandmarkWeight;
  unsigned int           m_BSplineNumberOfControlPoints;

}; //class LandmarkBasedTransformInitializer
}  // namespace itk

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

#endif /* itkLandmarkBasedTransformInitializer_h */