itkShapeDetectionLevelSetFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkShapeDetectionLevelSetFilter.h,v $
  Language:  C++
  Date:      $Date: 2002/05/10 22:56:16 $
  Version:   $Revision: 1.18 $

  Copyright (c) 2002 Insight 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 _itkShapeDetectionLevelSetFilter_h
#define _itkShapeDetectionLevelSetFilter_h

#include "itkLevelSet.h"
#include "itkLevelSetImageFilter.h"
#include "itkExtensionVelocitiesImageFilter.h"
#include "itkNumericTraits.h"

namespace itk
{
template <class TLevelSet, class TEdgeImage>
class ITK_EXPORT ShapeDetectionLevelSetFilter :
  public LevelSetImageFilter<TLevelSet>
{
public:
  typedef ShapeDetectionLevelSetFilter Self;
  typedef LevelSetImageFilter<TLevelSet> Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ShapeDetectionLevelSetFilter, LevelSetImageFilter);

  typedef LevelSetTypeDefault<TLevelSet>  LevelSetType;
  typedef typename LevelSetType::LevelSetImageType  LevelSetImageType;
  typedef typename LevelSetType::LevelSetPointer  LevelSetPointer;
  typedef typename LevelSetType::PixelType  PixelType;
  typedef typename LevelSetType::NodeType NodeType;
  typedef typename LevelSetType::NodeContainer NodeContainer;
  typedef typename LevelSetType::NodeContainerPointer NodeContainerPointer;

  typedef TEdgeImage EdgeImageType;

  typedef typename EdgeImageType::Pointer EdgeImagePointer;
  typedef typename EdgeImageType::ConstPointer EdgeImageConstPointer;

  void SetEdgeImage( const EdgeImageType * ptr );
  const EdgeImageType * GetEdgeImage(void);

  itkSetClampMacro( LengthPenaltyStrength, double, 0.0,
    NumericTraits<double>::max() );
  itkGetMacro( LengthPenaltyStrength, double );

  itkSetMacro( PropagateOutwards, bool );
  itkGetMacro( PropagateOutwards, bool );

  NodeContainerPointer GetOutputNarrowBand()
    { return m_OutputNarrowBand; }

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

  virtual void AllocateOutput();
  void GenerateData();
  virtual void GenerateDataFull();
  virtual void GenerateDataNarrowBand();
  virtual void GenerateInputRequestedRegion();

  void SetOutputNarrowBand( NodeContainer *ptr )
    { m_OutputNarrowBand = ptr; }

private:
  ShapeDetectionLevelSetFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  typedef typename TEdgeImage::PixelType EdgePixelType;
  typedef ExtensionVelocitiesImageFilter<TLevelSet,EdgePixelType,1> 
      ExtenderType;

  double                                m_LengthPenaltyStrength;
  bool                                  m_PropagateOutwards;
  typename ExtenderType::Pointer        m_Extender;
  NodeContainerPointer                  m_OutputNarrowBand;

};

} // namespace itk

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

#endif

---