itkTransformDeformationFieldFilter.h

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#ifndef itkTransformDeformationFieldFilter_h
#define itkTransformDeformationFieldFilter_h
 
#include <itkObject.h>
#include <itkImageToImageFilter.h>
#include <itkImage.h>
#include <itkImageRegionIteratorWithIndex.h>
#include <itkImageRegionConstIteratorWithIndex.h>
#include <itkTransform.h>
 
namespace itk
{
 
template <class TInput, class TOutput, int NDimensions>
class TransformDeformationFieldFilter : public ImageToImageFilter<Image<itk::Vector<TInput, NDimensions>, NDimensions>, Image<itk::Vector<TOutput, NDimensions>, NDimensions>>
{
public:
  typedef TInput InputDataType;
  typedef TOutput OutputDataType;
 
  typedef ImageToImageFilter<Image<itk::Vector<InputDataType, NDimensions>, NDimensions>, Image<itk::Vector<OutputDataType, NDimensions>, NDimensions>> Superclass;
 
  typedef itk::Vector<InputDataType, NDimensions> InputDeformationPixelType;
  typedef Image<InputDeformationPixelType, NDimensions> InputDeformationFieldType;
  typedef itk::Vector<OutputDataType, NDimensions> OutputDeformationPixelType;
  typedef Image<OutputDeformationPixelType, NDimensions> OutputDeformationFieldType;
  typedef TransformDeformationFieldFilter Self;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self> ConstPointer;
 
  typedef typename InputDeformationFieldType::Pointer InputDeformationFieldPointerType;
  typedef typename OutputDeformationFieldType::Pointer OutputDeformationFieldPointerType;
  typedef ImageRegionConstIteratorWithIndex<InputDeformationFieldType> InputIteratorType;
  typedef ImageRegionIteratorWithIndex<OutputDeformationFieldType> OutputIteratorType;
  typedef typename OutputDeformationFieldType::RegionType OutputDeformationFieldRegionType;
  typedef Transform<OutputDataType, NDimensions, NDimensions> TransformType;
  typedef typename OutputDeformationFieldType::RegionType OutputImageRegionType;

  itkTypeMacro(TransformDeformationFieldFilter, ImageToImageFilter);
 
  itkNewMacro(Self);
  // /Set the transform
  itkSetObjectMacro(Transform, TransformType);
 
  // /Get the time of the last modification of the object
  ModifiedTimeType GetMTime() const override;
 
#ifdef ITK_USE_CONCEPT_CHECKING
  itkConceptMacro(InputConvertibleToDoubleCheck, (Concept::Convertible<InputDataType, double>));
  itkConceptMacro(DoubleConvertibleToOutputCheck, (Concept::Convertible<double, OutputDataType>));
#endif
protected:
  TransformDeformationFieldFilter();
 
  void DynamicThreadedGenerateData(const OutputImageRegionType& outputRegionForThread) override;
 
  void BeforeThreadedGenerateData() override;
 
  void GenerateOutputInformation() override;
 
  void GenerateInputRequestedRegion() override;
 
private:
  typename TransformType::Pointer m_Transform;
  // InputDeformationFieldPointerType m_Input ;
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkTransformDeformationFieldFilter.txx"
#endif
 
#endif