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itkAnisotropicDiffusionFunction.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkAnisotropicDiffusionFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:43 $ 00007 Version: $Revision: 1.16 $ 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 __itkAnisotropicDiffusionFunction_h_ 00018 #define __itkAnisotropicDiffusionFunction_h_ 00019 00020 00021 #include "itkFiniteDifferenceFunction.h" 00022 00023 namespace itk { 00024 00134 template <class TImage> 00135 class ITK_EXPORT AnisotropicDiffusionFunction : 00136 public FiniteDifferenceFunction<TImage> 00137 { 00138 public: 00140 typedef AnisotropicDiffusionFunction Self; 00141 typedef FiniteDifferenceFunction<TImage> Superclass; 00142 typedef SmartPointer<Self> Pointer; 00143 typedef SmartPointer<const Self> ConstPointer; 00144 00146 itkTypeMacro( AnisotropicDiffusionFunction, FiniteDifferenceFunction ); 00147 00149 typedef typename Superclass::ImageType ImageType; 00150 typedef typename Superclass::PixelType PixelType; 00151 typedef typename Superclass::RadiusType RadiusType; 00152 typedef typename Superclass::NeighborhoodType NeighborhoodType; 00153 typedef typename Superclass::TimeStepType TimeStepType; 00154 typedef typename Superclass::FloatOffsetType FloatOffsetType; 00155 00157 itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension); 00158 00164 virtual void CalculateAverageGradientMagnitudeSquared(ImageType *) = 0; 00165 00169 void SetTimeStep(const TimeStepType &t) 00170 { m_TimeStep = t; } 00171 const TimeStepType &GetTimeStep() const 00172 { return m_TimeStep; } 00173 00175 void SetConductanceParameter(const double &c) 00176 { m_ConductanceParameter = c * c ; } 00177 const double &GetConductanceParameter() const 00178 { return m_ConductanceParameter; } 00179 00181 const double &GetAverageGradientMagnitudeSquared() const 00182 { return m_AverageGradientMagnitudeSquared; } 00183 void SetAverageGradientMagnitudeSquared(const double &c) 00184 { m_AverageGradientMagnitudeSquared = c; } 00185 00188 virtual TimeStepType ComputeGlobalTimeStep(void *itkNotUsed(GlobalData)) const 00189 { return this->GetTimeStep(); } 00190 00193 virtual void *GetGlobalDataPointer() const 00194 { return 0; } 00195 00197 virtual void ReleaseGlobalDataPointer(void *itkNotUsed(GlobalData)) const 00198 { /* do nothing */ } 00199 00200 protected: 00201 AnisotropicDiffusionFunction() 00202 { 00203 m_AverageGradientMagnitudeSquared = 0.0; 00204 m_ConductanceParameter = 1.0; // default value 00205 m_TimeStep = 0.125f; // default value 00206 } 00207 ~AnisotropicDiffusionFunction() {} 00208 00209 void PrintSelf(std::ostream& os, Indent indent) const 00210 { 00211 Superclass::PrintSelf(os,indent); 00212 os << indent << "TimeStep: " << m_TimeStep << std::endl; 00213 os << indent << "ConductanceParameter: " << m_ConductanceParameter << 00214 std::endl; 00215 } 00216 00217 private: 00218 AnisotropicDiffusionFunction(const Self&); //purposely not implemented 00219 void operator=(const Self&); //purposely not implemented 00220 00221 double m_AverageGradientMagnitudeSquared; 00222 double m_ConductanceParameter; 00223 TimeStepType m_TimeStep; 00224 }; 00225 00226 }// end namespace itk 00227 00228 #endif

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