itkLandmarkDisplacementFieldSource.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 itkLandmarkDisplacementFieldSource_h
#define itkLandmarkDisplacementFieldSource_h

#include "itkImageSource.h"
#include "itkKernelTransform.h"
#include "itkImageRegionIteratorWithIndex.h"

namespace itk
{
template< typename TOutputImage >
class ITK_TEMPLATE_EXPORT LandmarkDisplacementFieldSource:
  public ImageSource< TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(LandmarkDisplacementFieldSource);

  using Self = LandmarkDisplacementFieldSource;
  using Superclass = ImageSource< TOutputImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  using OutputImageType = TOutputImage;
  using OutputImagePointer = typename OutputImageType::Pointer;
  using OutputImageRegionType = typename OutputImageType::RegionType;

  itkNewMacro(Self);

  itkTypeMacro(LandmarkDisplacementFieldSource, ImageSource);

  static constexpr unsigned int ImageDimension = TOutputImage::ImageDimension;

  using KernelTransformType = KernelTransform< double, Self::ImageDimension >;
  using LandmarkPointSetType = typename KernelTransformType::PointSetType;
  using LandmarkPointType = typename LandmarkPointSetType::PointType;
  using KernelTransformPointerType = typename KernelTransformType::Pointer;
  using LandmarkContainer = typename KernelTransformType::PointsContainer;
  using LandmarkContainerPointer = typename LandmarkContainer::ConstPointer;

  using OutputSizeType = typename OutputImageType::SizeType;

  using OutputIndexType = typename OutputImageType::IndexType;

  using OutputPixelType = typename TOutputImage::PixelType;
  using OutputPixelComponentType = typename OutputPixelType::ValueType;

  using SpacingType = typename TOutputImage::SpacingType;
  using OriginPointType = typename TOutputImage::PointType;
  using DirectionType = typename TOutputImage::DirectionType;

  itkSetObjectMacro(KernelTransform, KernelTransformType);
  itkGetModifiableObjectMacro(KernelTransform, KernelTransformType);

  itkSetMacro(OutputRegion, OutputImageRegionType);

  itkGetConstReferenceMacro(OutputRegion, OutputImageRegionType);

  itkSetMacro(OutputSpacing, SpacingType);
  virtual void SetOutputSpacing(const double *values);

  itkGetConstReferenceMacro(OutputSpacing, SpacingType);

  itkSetMacro(OutputOrigin, OriginPointType);
  virtual void SetOutputOrigin(const double *values);

  itkSetMacro(OutputDirection, DirectionType);
  itkGetConstReferenceMacro(OutputDirection, DirectionType);

  itkGetConstReferenceMacro(OutputOrigin, OriginPointType);

  itkSetConstObjectMacro(SourceLandmarks, LandmarkContainer);
  itkSetConstObjectMacro(TargetLandmarks, LandmarkContainer);

  void GenerateOutputInformation() override;

  ModifiedTimeType GetMTime() const override;

protected:
  LandmarkDisplacementFieldSource();
  ~LandmarkDisplacementFieldSource() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  void GenerateData() override;

  void PrepareKernelBaseSpline();

private:
  KernelTransformPointerType m_KernelTransform;      // Coordinate transform to
                                                     // use

  OutputImageRegionType m_OutputRegion;              // Region of the output
                                                     // image
  SpacingType     m_OutputSpacing;                   // output image spacing
  OriginPointType m_OutputOrigin;                    // output image origin
  DirectionType   m_OutputDirection;                 // output image direction
                                                     // cosines

  LandmarkContainerPointer m_SourceLandmarks;        // List of source landmarks
  LandmarkContainerPointer m_TargetLandmarks;        // List of target landmarks
};
} // end namespace itk

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

#endif