itkThresholdImageWithRespectToPlane.h

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

  NifTK: A software platform for medical image computing.

  Copyright (c) University College London (UCL). All rights reserved.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.

  See LICENSE.txt in the top level directory for details.

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

#ifndef itkThresholdImageWithRespectToPlane_h
#define itkThresholdImageWithRespectToPlane_h

#include <itkImageToImageFilter.h>

namespace itk {
  
template<class TInputImage, class TOutputImage>
class ITK_EXPORT ThresholdImageWithRespectToPlane:
    public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef ThresholdImageWithRespectToPlane               Self;
  typedef ImageToImageFilter< TInputImage,TOutputImage > Superclass;
  typedef SmartPointer< Self >                           Pointer;
  typedef SmartPointer< const Self >                     ConstPointer;
  
  itkTypeMacro( ThresholdImageWithRespectToPlane, ImageToImageFilter );

  itkNewMacro(Self);

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

  typedef TInputImage                           InputImageType;
  typedef typename InputImageType::Pointer      InputImagePointer;
  typedef typename InputImageType::ConstPointer InputImageConstPointer;
  typedef typename InputImageType::RegionType   InputImageRegionType;
  typedef typename InputImageType::PixelType    InputImagePixelType;
  typedef typename InputImageType::SpacingType  InputImageSpacingType;
  typedef typename InputImageType::IndexType    InputImageIndexType;
  typedef typename InputImageType::PointType    InputImagePointType;

  typedef TOutputImage                          OutputImageType;
  typedef typename OutputImageType::Pointer     OutputImagePointer;
  typedef typename OutputImageType::RegionType  OutputImageRegionType;
  typedef typename OutputImageType::PixelType   OutputImagePixelType;
  typedef typename OutputImageType::IndexType   OutputImageIndexType;
  typedef typename OutputImageType::PointType   OutputImagePointType;

  // Set the value to set voxels on the opposite side of the plane to the normal to
  itkSetMacro( ThresholdValue, OutputImagePixelType );
  // Get the value to set voxels on the opposite side of the plane to the normal to
  itkGetMacro( ThresholdValue, OutputImagePixelType );

  void SetPlanePosition( double px, double py, double pz );
  void SetPlaneNormal( double nx, double ny, double nz );

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(InputHasNumericTraitsCheck,
                  (Concept::HasNumericTraits<InputImagePixelType>));
  itkConceptMacro(OutputHasPixelTraitsCheck,
                  (Concept::HasPixelTraits<OutputImagePixelType>));
#endif

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

  virtual void BeforeThreadedGenerateData(void);
  
  virtual void AfterThreadedGenerateData(void);
  
  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
                            ThreadIdType threadId );

  // The value to set voxels on the opposite side of the plane to the normal to
  OutputImagePixelType m_ThresholdValue;

  Vector< double, 3 > m_PlanePosition;
  Vector< double, 3 > m_PlaneNormal;

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

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkThresholdImageWithRespectToPlane.txx"
#endif

#endif