itkRegistrationParameterScalesFromIndexShift.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
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 *  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.
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#ifndef __itkRegistrationParameterScalesFromIndexShift_h
#define __itkRegistrationParameterScalesFromIndexShift_h

#include "itkRegistrationParameterScalesFromShiftBase.h"

namespace itk
{

template < class TMetric >
class ITK_EXPORT RegistrationParameterScalesFromIndexShift :
  public RegistrationParameterScalesFromShiftBase< TMetric >
{
public:
  typedef RegistrationParameterScalesFromIndexShift           Self;
  typedef RegistrationParameterScalesFromShiftBase< TMetric > Superclass;
  typedef SmartPointer<Self>                                  Pointer;
  typedef SmartPointer<const Self>                            ConstPointer;

  itkNewMacro( Self );

  itkTypeMacro( RegistrationParameterScalesFromIndexShift, RegistrationParameterScalesFromShiftBase );

  typedef typename Superclass::ScalesType                ScalesType;

  typedef typename Superclass::ParametersType            ParametersType;

  typedef typename Superclass::FloatType                 FloatType;

  typedef typename Superclass::VirtualPointType          VirtualPointType;
  typedef typename Superclass::VirtualIndexType          VirtualIndexType;
  typedef typename Superclass::MovingTransformType       MovingTransformType;
  typedef typename Superclass::FixedTransformType        FixedTransformType;
  typedef typename Superclass::JacobianType              JacobianType;
  typedef typename Superclass::VirtualImageConstPointer  VirtualImageConstPointer;

  typedef typename TMetric::FixedImageType               FixedImageType;
  typedef typename TMetric::MovingImageType              MovingImageType;

  typedef typename FixedImageType::ConstPointer          FixedImageConstPointer;
  typedef typename MovingImageType::ConstPointer         MovingImageConstPointer;

  typedef typename FixedImageType::PointType             FixedPointType;
  typedef typename FixedImageType::IndexType             FixedIndexType;
  typedef typename FixedImageType::PointValueType        FixedPointValueType;
  
  typedef typename itk::ContinuousIndex< FixedPointValueType, FixedImageType::ImageDimension >          FixedContinuousIndexType;

  typedef typename MovingImageType::PointType            MovingPointType;
  typedef typename MovingImageType::IndexType            MovingIndexType;
  typedef typename MovingImageType::PointValueType       MovingPointValueType;
  
  typedef typename itk::ContinuousIndex< MovingPointValueType, MovingImageType::ImageDimension >         MovingContinuousIndexType;

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

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

  virtual void ComputeSampleShifts(const ParametersType &deltaParameters, ScalesType &localShifts);

  template<class TContinuousIndexType>
  void TransformPointToContinuousIndex(const VirtualPointType &point, TContinuousIndexType &mappedIndex);

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

  template <class TTransform>
  void ComputeSampleShiftsInternal(const ParametersType &deltaParameters, ScalesType &localShifts);

}; //class RegistrationParameterScalesFromIndexShift

}  // namespace itk


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

#endif /* __itkRegistrationParameterScalesFromIndexShift_h */