itkDeformationFieldSource.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 itkDeformationFieldSource_h
#define itkDeformationFieldSource_h

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

#ifndef ITKV3_COMPATIBILITY
#error "This file is only valid when ITKV3_COMPATIBILITY is turned on. Users are encouraged to convert to itk::LandmarkDisplacementFieldSource in ITKv4"
#endif

namespace itk
{
template< typename TOutputImage >
class ITK_TEMPLATE_EXPORT DeformationFieldSource:
  public ImageSource< TOutputImage >
{
public:
  typedef DeformationFieldSource      Self;
  typedef ImageSource< TOutputImage > Superclass;
  typedef SmartPointer< Self >        Pointer;
  typedef SmartPointer< const Self >  ConstPointer;

  typedef TOutputImage                         OutputImageType;
  typedef typename OutputImageType::Pointer    OutputImagePointer;
  typedef typename OutputImageType::RegionType OutputImageRegionType;

  itkNewMacro(Self);

  itkTypeMacro(DeformationFieldSource, ImageSource);

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

  typedef KernelTransform< double, itkGetStaticConstMacro(ImageDimension) > KernelTransformType;
  typedef typename KernelTransformType::PointSetType                        LandmarkPointSetType;
  typedef typename LandmarkPointSetType::PointType                          LandmarkPointType;
  typedef typename KernelTransformType::Pointer                             KernelTransformPointerType;
  typedef typename KernelTransformType::PointsContainer                     LandmarkContainer;
  typedef typename LandmarkContainer::ConstPointer                          LandmarkContainerPointer;

  typedef typename OutputImageType::SizeType OutputSizeType;

  typedef typename OutputImageType::IndexType OutputIndexType;

  typedef typename TOutputImage::PixelType    OutputPixelType;
  typedef typename OutputPixelType::ValueType OutputPixelComponentType;

  typedef typename TOutputImage::SpacingType   SpacingType;
  typedef typename TOutputImage::PointType     OriginPointType;
  typedef typename TOutputImage::DirectionType 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);

  virtual void GenerateOutputInformation() ITK_OVERRIDE;

  ModifiedTimeType GetMTime() const ITK_OVERRIDE;

protected:
  DeformationFieldSource();
  ~DeformationFieldSource() {}
  void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;

  void GenerateData() ITK_OVERRIDE;

  void PrepareKernelBaseSpline();

private:
  ITK_DISALLOW_COPY_AND_ASSIGN(DeformationFieldSource);

  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 "itkDeformationFieldSource.hxx"
#endif

#endif