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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: 2006/03/31 14:31:05 $
00007   Version:   $Revision: 1.36 $
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 #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 ITK_EXPORT 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(TimeStep, TimeStepType);
00134 
00136   itkGetMacro(TimeStep, TimeStepType);
00137 
00138 #ifdef ITK_USE_CONCEPT_CHECKING
00139 
00140   itkConceptMacro(DoubleConvertibleToOutputCheck,
00141     (Concept::Convertible<double, PixelType>));
00142   itkConceptMacro(OutputConvertibleToDoubleCheck,
00143     (Concept::Convertible<PixelType, double>));
00144   itkConceptMacro(OutputDivisionOperatorsCheck,
00145     (Concept::DivisionOperators<PixelType>));
00146   itkConceptMacro(DoubleOutputMultiplyOperatorCheck,
00147     (Concept::MultiplyOperator<double, PixelType, PixelType>));
00148   itkConceptMacro(IntOutputMultiplyOperatorCheck,
00149     (Concept::MultiplyOperator<int, PixelType, PixelType>));
00150   itkConceptMacro(OutputLessThanDoubleCheck,
00151     (Concept::LessThanComparable<PixelType, double>));
00152   itkConceptMacro(OutputDoubleAdditiveOperatorsCheck,
00153     (Concept::AdditiveOperators<PixelType, double>));
00154 
00156 #endif
00157 
00158 protected:
00159   CurvatureFlowImageFilter();
00160   ~CurvatureFlowImageFilter() {}
00161   void PrintSelf(std::ostream& os, Indent indent) const;
00162   
00165   virtual bool Halt()
00166   {
00167     if (this->GetElapsedIterations() == this->GetNumberOfIterations()) return true;
00168     else return false;
00169   }
00171 
00174   virtual void InitializeIteration();
00175 
00179   virtual void EnlargeOutputRequestedRegion(DataObject *);
00180 
00184   virtual void GenerateInputRequestedRegion();
00185 
00186 private:
00187   CurvatureFlowImageFilter(const Self&); //purposely not implemented
00188   void operator=(const Self&); //purposely not implemented
00189   
00190   TimeStepType    m_TimeStep;
00191 
00192 };
00193 
00194 } // end namspace itk
00195 
00196 #ifndef ITK_MANUAL_INSTANTIATION
00197 #include "itkCurvatureFlowImageFilter.txx"
00198 #endif
00199 
00200 #endif
00201 

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