itkExtractOrthogonalSwath2DImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkExtractOrthogonalSwath2DImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-14 19:20:34 $
  Version:   $Revision: 1.7 $

  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 __itkExtractOrthogonalSwath2DImageFilter_h
#define __itkExtractOrthogonalSwath2DImageFilter_h

#include "itkImageAndPathToImageFilter.h"
#include "itkParametricPath.h"

namespace itk
{
  
template <class TImage>
class ITK_EXPORT ExtractOrthogonalSwath2DImageFilter : public
ImageAndPathToImageFilter<TImage,ParametricPath<2>,TImage> 
{
public:
  typedef ExtractOrthogonalSwath2DImageFilter  Self;
  typedef ImageAndPathToImageFilter<TImage,ParametricPath<2>,TImage>
                                               Superclass;
  typedef SmartPointer<Self>                   Pointer;
  typedef SmartPointer<const Self>             ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ExtractOrthogonalSwath2DImageFilter, ImageAndPathToImageFilter);

  typedef           TImage                        ImageType;
  typedef typename  ImageType::Pointer            ImagePointer;
  typedef typename  ImageType::ConstPointer       ImageConstPointer;
  typedef typename  ImageType::RegionType         ImageRegionType; 
  typedef typename  ImageType::IndexType          ImageIndexType; 
  typedef typename  ImageType::PixelType          ImagePixelType;
  typedef           ParametricPath<2>             PathType;
  typedef typename  PathType::ConstPointer        PathConstPointer;
  typedef typename  PathType::InputType           PathInputType;
  typedef typename  PathType::OutputType          PathOutputType;
  typedef typename  PathType::IndexType           PathIndexType;
  typedef typename  PathType::ContinuousIndexType PathContinuousIndexType;
  typedef typename  PathType::OffsetType          PathOffsetType;
  typedef typename  PathType::VectorType          PathVectorType;
  typedef typename  ImageType::SizeType           SizeType;


  itkStaticConstMacro(PathDimension, unsigned int,
                      2);
  itkStaticConstMacro(ImageDimension, unsigned int,
                      TImage::ImageDimension);

  virtual void SetSpacing(const double* spacing);
  virtual void SetSpacing(const float* spacing);
  virtual const double* GetSpacing() const;

  virtual void SetOrigin(const double* origin);
  virtual void SetOrigin(const float* origin);
  virtual const double * GetOrigin() const;

  itkSetMacro( Size, SizeType )


  itkSetMacro( DefaultPixelValue, ImagePixelType )

  //--------------------------------------------------------------------------
  //
  
  virtual void EnlargeOutputRequestedRegion(DataObject *output)
    {
    output->SetRequestedRegionToLargestPossibleRegion();
    }

  //
  //--------------------------------------------------------------------------
  
protected:
  ExtractOrthogonalSwath2DImageFilter()
    {
    m_DefaultPixelValue = NumericTraits<ImagePixelType>::Zero;
    m_Size[0] = 512;
    m_Size[1] = 16*2+1; // must be odd
    m_Origin[0]  = m_Origin[1]  = 0.0;
    m_Spacing[0] = m_Spacing[1] = 1.0;
    }
  virtual ~ExtractOrthogonalSwath2DImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;
  
  //--------------------------------------------------------------------------
  //
  
  virtual void GenerateOutputInformation(void);

  virtual void GenerateInputRequestedRegion()
    {
    Superclass::GenerateInputRequestedRegion();
    ( const_cast< ImageType * > (this->GetImageInput()) ) ->
        SetRequestedRegionToLargestPossibleRegion();
    ( const_cast< PathType * > (this->GetPathInput()) ) ->
        SetRequestedRegionToLargestPossibleRegion();
    }

  virtual void GenerateData(void);
  
  //
  //--------------------------------------------------------------------------
  
private:
  ExtractOrthogonalSwath2DImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  ImagePixelType m_DefaultPixelValue;
  SizeType       m_Size;
  double         m_Origin[ImageDimension];
  double         m_Spacing[ImageDimension];
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkExtractOrthogonalSwath2DImageFilter.txx"
#endif

#endif