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itkFastMarchingUpwindGradientImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkFastMarchingUpwindGradientImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/09/01 21:33:26 $
00007   Version:   $Revision: 1.5 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #ifndef _itkFastMarchingUpwindGradientImageFilter_h
00019 #define _itkFastMarchingUpwindGradientImageFilter_h
00020 
00021 #include "itkFastMarchingImageFilter.h"
00022 #include "itkImage.h"
00023 
00024 namespace itk
00025 {
00057 template <
00058   class TLevelSet, 
00059   class TSpeedImage = Image<float,::itk::GetImageDimension<TLevelSet>::ImageDimension> >
00060 class ITK_EXPORT FastMarchingUpwindGradientImageFilter :
00061     public FastMarchingImageFilter<TLevelSet,TSpeedImage>
00062 {
00063 
00064 public:
00066   typedef FastMarchingUpwindGradientImageFilter Self;
00067   typedef FastMarchingImageFilter<TLevelSet,TSpeedImage> Superclass;
00068   typedef SmartPointer<Self> Pointer;
00069   typedef SmartPointer<const Self>  ConstPointer;
00070 
00072   itkNewMacro(Self);
00073 
00075   itkTypeMacro(FastMarchingUpwindGradientImageFilter, FastMarchingImageFilter);
00076 
00078   typedef typename Superclass::LevelSetType  LevelSetType;
00079   typedef typename Superclass::SpeedImageType SpeedImageType;
00080   typedef typename Superclass::LevelSetImageType  LevelSetImageType;
00081   typedef typename Superclass::LevelSetPointer  LevelSetPointer;
00082   typedef typename Superclass::SpeedImageConstPointer  SpeedImageConstPointer;
00083   typedef typename Superclass::LabelImageType  LabelImageType;
00084   typedef typename Superclass::PixelType  PixelType;
00085   typedef typename Superclass::AxisNodeType  AxisNodeType;
00086   typedef typename Superclass::NodeType  NodeType;
00087   typedef typename Superclass::NodeContainer  NodeContainer;
00088   typedef typename Superclass::NodeContainerPointer  NodeContainerPointer;
00089   typedef typename Superclass::IndexType  IndexType;
00090   typedef typename Superclass::OutputSpacingType  OutputSpacingType;
00091   typedef typename Superclass::LevelSetIndexType  LevelSetIndexType;
00092 
00094   itkStaticConstMacro(SetDimension, unsigned int,Superclass::SetDimension); 
00095 
00099   void SetTargetPoints( NodeContainer * points )
00100   { 
00101     m_TargetPoints = points;
00102     this->Modified();
00103   };
00105 
00107   NodeContainerPointer GetTargetPoints( )
00108   { return m_TargetPoints; };
00109 
00111   NodeContainerPointer GetReachedTargetPoints( )
00112   { return m_ReachedTargetPoints; };
00113 
00115   typedef CovariantVector<PixelType, 
00116           itkGetStaticConstMacro(SetDimension)> GradientPixelType;
00117 
00119   typedef Image<GradientPixelType, 
00120           itkGetStaticConstMacro(SetDimension)> GradientImageType;
00121 
00123   typedef typename GradientImageType::Pointer GradientImagePointer;
00124 
00126   GradientImagePointer GetGradientImage() const
00127   { return m_GradientImage; };
00128 
00131   itkSetMacro( GenerateGradientImage, bool );
00132 
00134   itkGetConstReferenceMacro( GenerateGradientImage, bool );
00135   itkBooleanMacro( GenerateGradientImage );
00137 
00141   itkSetMacro( TargetOffset, double );
00142 
00144   itkGetConstReferenceMacro( TargetOffset, double );
00145 
00149   itkSetMacro( TargetReachedMode, int );
00150   itkGetConstReferenceMacro( TargetReachedMode, int );
00151   void SetTargetReachedModeToNoTargets()
00152     { this->SetTargetReachedMode(NoTargets); }
00153   void SetTargetReachedModeToOneTarget() 
00154     { this->SetTargetReachedMode(OneTarget); }
00155   void SetTargetReachedModeToSomeTargets( long numberOfTargets )
00156     { this->SetTargetReachedMode(SomeTargets);
00157       m_NumberOfTargets = numberOfTargets; }
00158   void SetTargetReachedModeToAllTargets() 
00159     { this->SetTargetReachedMode(AllTargets); }
00161 
00163   itkGetConstReferenceMacro( TargetValue, double );
00164 
00165   enum
00166     {
00167       NoTargets,
00168       OneTarget,
00169       SomeTargets,
00170       AllTargets
00171     };
00172 
00173 #ifdef ITK_USE_CONCEPT_CHECKING
00174 
00175   itkConceptMacro(LevelSetDoubleDivisionOperatorsCheck,
00176     (Concept::DivisionOperators<typename TLevelSet::PixelType, double>));
00177 
00179 #endif
00180 
00181 protected:
00182   FastMarchingUpwindGradientImageFilter();
00183   ~FastMarchingUpwindGradientImageFilter(){};
00184   void PrintSelf( std::ostream& os, Indent indent ) const;
00185 
00186   virtual void Initialize( LevelSetImageType * );
00187 
00188   void GenerateData();
00189 
00190   virtual void UpdateNeighbors( const IndexType& index, 
00191                                 const SpeedImageType *, LevelSetImageType * );
00192 
00193   virtual void ComputeGradient( const IndexType& index ,
00194                               const LevelSetImageType * output, 
00195                               const LabelImageType * labelImage,
00196                               GradientImageType * gradientImage);
00197 
00198 private:
00199   FastMarchingUpwindGradientImageFilter(const Self&); //purposely not implemented
00200   void operator=(const Self&); //purposely not implemented
00201   
00202   NodeContainerPointer m_TargetPoints;
00203   NodeContainerPointer m_ReachedTargetPoints;
00204 
00205   GradientImagePointer m_GradientImage;
00206  
00207   bool m_GenerateGradientImage;
00208 
00209   double m_TargetOffset;
00210 
00211   int m_TargetReachedMode;
00212 
00213   double m_TargetValue;
00214 
00215   long m_NumberOfTargets;
00216 
00217 };
00218 
00219 } // namespace itk
00220 
00221 
00222 #ifndef ITK_MANUAL_INSTANTIATION
00223 #include "itkFastMarchingUpwindGradientImageFilter.txx"
00224 #endif
00225 
00226 #endif
00227 

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