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itkCurvatureFlowImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkCurvatureFlowImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/09/11 19:39:00 $
00007   Version:   $Revision: 1.30 $
00008 
00009   Copyright (c) 2002 Insight 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 #ifndef __itkCurvatureFlowImageFilter_h_
00018 #define __itkCurvatureFlowImageFilter_h_
00019 
00020 #include "itkDenseFiniteDifferenceImageFilter.h"
00021 #include "itkCurvatureFlowFunction.h"
00022 
00023 namespace itk {
00024 
00087 template <class TInputImage, class TOutputImage>
00088 class CurvatureFlowImageFilter
00089   : public DenseFiniteDifferenceImageFilter<TInputImage, TOutputImage>
00090 {
00091 public:
00093   typedef CurvatureFlowImageFilter Self;
00094   typedef DenseFiniteDifferenceImageFilter<TInputImage, TOutputImage>
00095    Superclass;
00096   typedef SmartPointer<Self> Pointer;
00097   typedef SmartPointer<const Self>  ConstPointer;
00098 
00100   itkNewMacro(Self);
00101 
00103   itkTypeMacro(CurvatureFlowImageFilter,
00104                DenseFiniteDifferenceImageFilter);
00105 
00107   typedef typename Superclass::InputImageType  InputImageType;
00108 
00110   typedef typename Superclass::OutputImageType OutputImageType;
00111   typedef typename OutputImageType::Pointer OutputImagePointer;
00112 
00114   typedef typename Superclass::FiniteDifferenceFunctionType
00115     FiniteDifferenceFunctionType;
00116 
00118   typedef CurvatureFlowFunction<OutputImageType>
00119     CurvatureFlowFunctionType;
00120 
00123   itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension);
00124 
00127   typedef typename Superclass::PixelType PixelType;
00128 
00130   typedef typename Superclass::TimeStepType TimeStepType;
00131 
00133   itkSetMacro(NumberOfIterations, unsigned int);
00134 
00136   itkGetMacro(NumberOfIterations, unsigned int);
00137 
00139   itkSetMacro(TimeStep, TimeStepType);
00140 
00142   itkGetMacro(TimeStep, TimeStepType);
00143   
00144 protected:
00145   CurvatureFlowImageFilter();
00146   ~CurvatureFlowImageFilter() {}
00147   void PrintSelf(std::ostream& os, Indent indent) const;
00148   
00151   virtual bool Halt()
00152     {
00153       if (this->GetElapsedIterations() == m_NumberOfIterations) return true;
00154       else return false;
00155     }
00156 
00159   virtual void InitializeIteration();
00160 
00164   virtual void EnlargeOutputRequestedRegion(DataObject *);
00165   
00169   virtual void GenerateInputRequestedRegion();
00170   
00171 private:
00172   CurvatureFlowImageFilter(const Self&); //purposely not implemented
00173   void operator=(const Self&); //purposely not implemented
00174   
00175   unsigned int    m_NumberOfIterations;
00176   TimeStepType    m_TimeStep;
00177 
00178 };
00179 
00180 } // end namspace itk
00181 
00182 #ifndef ITK_MANUAL_INSTANTIATION
00183 #include "itkCurvatureFlowImageFilter.txx"
00184 #endif
00185 
00186 #endif

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