itkDeformationFieldSource.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkDeformationFieldSource.h,v $
  Language:  C++
  Date:      $Date: 2008-10-14 19:20:33 $
  Version:   $Revision: 1.5 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkDeformationFieldSource_h
#define __itkDeformationFieldSource_h

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

namespace itk
{

template <class TOutputImage>
class ITK_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;

  itkSetObjectMacro( KernelTransform, KernelTransformType ); 

  itkGetObjectMacro( 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);

  itkGetConstReferenceMacro( OutputOrigin, OriginPointType );

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

  virtual void GenerateOutputInformation();


  unsigned long GetMTime( void ) const;

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

  void GenerateData();

  void PrepareKernelBaseSpline();

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

  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

  LandmarkContainerPointer      m_SourceLandmarks;   // List of source landmarks
  LandmarkContainerPointer      m_TargetLandmarks;   // List of target landmarks

};

  
} // end namespace itk
  
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkDeformationFieldSource.txx"
#endif
  
#endif

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