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itkCurvatureFlowFunction.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkCurvatureFlowFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:29 $ 00007 Version: $Revision: 1.18 $ 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 __itkCurvatureFlowFunction_h_ 00018 #define __itkCurvatureFlowFunction_h_ 00019 00020 #include "itkFiniteDifferenceFunction.h" 00021 #include "itkMacro.h" 00022 00023 namespace itk { 00024 00039 template <class TImage> 00040 class ITK_EXPORT CurvatureFlowFunction : 00041 public FiniteDifferenceFunction<TImage> 00042 { 00043 public: 00045 typedef CurvatureFlowFunction Self; 00046 typedef FiniteDifferenceFunction<TImage> Superclass; 00047 typedef SmartPointer<Self> Pointer; 00048 typedef SmartPointer<const Self> ConstPointer; 00049 00051 itkNewMacro(Self); 00052 00054 itkTypeMacro( CurvatureFlowFunction, 00055 FiniteDifferenceFunction ); 00056 00058 typedef typename Superclass::ImageType ImageType; 00059 typedef typename Superclass::PixelType PixelType; 00060 typedef typename Superclass::RadiusType RadiusType; 00061 typedef PixelType ScalarValueType; 00062 typedef typename Superclass::NeighborhoodType NeighborhoodType; 00063 typedef typename Superclass::FloatOffsetType FloatOffsetType; 00064 typedef typename Superclass::TimeStepType TimeStepType; 00065 00067 itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension); 00068 00079 virtual TimeStepType ComputeGlobalTimeStep(void *GlobalData) const; 00080 00086 virtual void *GetGlobalDataPointer() const 00087 { 00088 GlobalDataStruct *ans = new GlobalDataStruct(); 00089 ans->m_MaxChange = NumericTraits<ScalarValueType>::Zero; 00090 return ans; 00091 } 00092 00097 virtual void ReleaseGlobalDataPointer(void *GlobalData) const 00098 { delete (GlobalDataStruct *) GlobalData; } 00099 00101 void SetTimeStep( const TimeStepType & t ) 00102 { m_TimeStep = t; } 00103 00105 const TimeStepType &GetTimeStep() const 00106 { return m_TimeStep; } 00107 00110 virtual PixelType ComputeUpdate(const NeighborhoodType &neighborhood, 00111 void * globalData, 00112 const FloatOffsetType& offset = FloatOffsetType(0.0) 00113 ); 00114 00115 protected: 00116 00119 struct GlobalDataStruct 00120 { 00121 GlobalDataStruct() 00122 { 00123 m_MaxChange = NumericTraits<ScalarValueType>::Zero; 00124 } 00125 ~GlobalDataStruct() {} 00126 00127 ScalarValueType m_MaxChange; 00128 }; 00129 00130 CurvatureFlowFunction(); 00131 ~CurvatureFlowFunction() {} 00132 00133 private: 00134 CurvatureFlowFunction(const Self&); //purposely not implemented 00135 void operator=(const Self&); //purposely not implemented 00136 00137 TimeStepType m_TimeStep; 00138 00139 00140 }; 00141 00142 }// end namespace itk 00143 00144 #ifndef ITK_MANUAL_INSTANTIATION 00145 #include "itkCurvatureFlowFunction.txx" 00146 #endif 00147 00148 #endif

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