elxEulerStackTransform.h

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 *
 *  Copyright UMC Utrecht and contributors
 *
 *  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.
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#ifndef elxEulerStackTransform_h
#define elxEulerStackTransform_h
 
#include "elxIncludes.h"
#include "itkAdvancedCombinationTransform.h"
#include "itkEulerStackTransform.h"
#include "itkEulerTransform.h"
 
namespace elastix
{
 
template <class TElastix>
class ITK_TEMPLATE_EXPORT EulerStackTransform
  : public itk::AdvancedCombinationTransform<typename elx::TransformBase<TElastix>::CoordRepType,
                                             elx::TransformBase<TElastix>::FixedImageDimension>
  , public elx::TransformBase<TElastix>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(EulerStackTransform);
 
  using Self = EulerStackTransform;
  using Superclass1 = itk::AdvancedCombinationTransform<typename elx::TransformBase<TElastix>::CoordRepType,
                                                        elx::TransformBase<TElastix>::FixedImageDimension>;
  using Superclass2 = elx::TransformBase<TElastix>;
  using Pointer = itk::SmartPointer<Self>;
  using ConstPointer = itk::SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkTypeMacro(EulerStackTransform, itk::AdvancedCombinationTransform);
 
  elxClassNameMacro("EulerStackTransform");
 
  itkStaticConstMacro(SpaceDimension, unsigned int, Superclass2::FixedImageDimension);
  itkStaticConstMacro(ReducedSpaceDimension, unsigned int, Superclass2::FixedImageDimension - 1);
 
  using EulerTransformType =
    itk::EulerTransform<typename elx::TransformBase<TElastix>::CoordRepType, Self::SpaceDimension>;
  using EulerTransformPointer = typename EulerTransformType::Pointer;
  using InputPointType = typename EulerTransformType::InputPointType;
 
  using ReducedDimensionEulerTransformType =
    itk::EulerTransform<typename elx::TransformBase<TElastix>::CoordRepType, Self::ReducedSpaceDimension>;
  using ReducedDimensionEulerTransformPointer = typename ReducedDimensionEulerTransformType::Pointer;
 
  using ReducedDimensionOutputVectorType = typename ReducedDimensionEulerTransformType::OutputVectorType;
  using ReducedDimensionInputPointType = typename ReducedDimensionEulerTransformType::InputPointType;
 
  using typename Superclass1::ParametersType;
  using typename Superclass1::NumberOfParametersType;
 
  using typename Superclass2::ElastixType;
  using typename Superclass2::ParameterMapType;
  using typename Superclass2::RegistrationType;
  using typename Superclass2::CoordRepType;
  using typename Superclass2::FixedImageType;
  using typename Superclass2::MovingImageType;
  using ITKBaseType = typename Superclass2::ITKBaseType;
  using CombinationTransformType = typename Superclass2::CombinationTransformType;
 
  using PixelType = float;
  using ReducedDimensionImageType = itk::Image<PixelType, Self::ReducedSpaceDimension>;
  using ReducedDimensionRegionType = itk::ImageRegion<Self::ReducedSpaceDimension>;
  using ReducedDimensionPointType = typename ReducedDimensionImageType::PointType;
  using ReducedDimensionSizeType = typename ReducedDimensionImageType::SizeType;
  using ReducedDimensionIndexType = typename ReducedDimensionRegionType::IndexType;
  using ReducedDimensionSpacingType = typename ReducedDimensionImageType::SpacingType;
  using ReducedDimensionDirectionType = typename ReducedDimensionImageType::DirectionType;
  using ReducedDimensionOriginType = typename ReducedDimensionImageType::PointType;
 
  using typename Superclass2::ScalesType;
 
  using IndexType = typename FixedImageType::IndexType;
  using SizeType = typename FixedImageType::SizeType;
  using PointType = typename FixedImageType::PointType;
  using SpacingType = typename FixedImageType::SpacingType;
  using RegionType = typename FixedImageType::RegionType;
  using DirectionType = typename FixedImageType::DirectionType;
  using ReducedDimensionContinuousIndexType = typename itk::ContinuousIndex<CoordRepType, ReducedSpaceDimension>;
  using ContinuousIndexType = typename itk::ContinuousIndex<CoordRepType, SpaceDimension>;
 
  int
  BeforeAll() override;
 
  void
  BeforeRegistration() override;
 
  virtual void
  SetScales();
 
  void
  ReadFromFile() override;
 
  virtual void
  InitialTransformCenter(ReducedDimensionInputPointType & point);
 
protected:
  EulerStackTransform() { this->Superclass1::SetCurrentTransform(m_StackTransform); }
 
  ~EulerStackTransform() override = default;
 
  virtual bool
  ReadCenterOfRotationPoint(ReducedDimensionInputPointType & rotationPoint) const;
 
private:
  elxOverrideGetSelfMacro;
 
  void
  InitializeTransform();
 
  ParameterMapType
  CreateDerivedTransformParametersMap() const override;
 
  using StackTransformType = itk::EulerStackTransform<SpaceDimension>;
 
  const typename StackTransformType::Pointer m_StackTransform{ StackTransformType::New() };
 
  ReducedDimensionEulerTransformPointer m_DummySubTransform;
 
  unsigned int m_NumberOfSubTransforms;
  double       m_StackOrigin, m_StackSpacing;
 
  unsigned int
  InitializeEulerTransform();
};
 
 
} // end namespace elastix
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "elxEulerStackTransform.hxx"
#endif
 
#endif // end #ifndef elxEulerStackTransform_h