ITK
4.1.0
Insight Segmentation and Registration Toolkit
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00001 /*========================================================================= 00002 * 00003 * Copyright Insight Software Consortium 00004 * 00005 * Licensed under the Apache License, Version 2.0 (the "License"); 00006 * you may not use this file except in compliance with the License. 00007 * You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0.txt 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 * 00017 *=========================================================================*/ 00018 00019 #ifndef __itkLevelSetEquationLaplacianTerm_h 00020 #define __itkLevelSetEquationLaplacianTerm_h 00021 00022 #include "itkLevelSetEquationTermBase.h" 00023 #include "itkZeroFluxNeumannBoundaryCondition.h" 00024 #include "itkConstNeighborhoodIterator.h" 00025 #include "itkVector.h" 00026 #include "vnl/vnl_matrix_fixed.h" 00027 00028 namespace itk 00029 { 00045 template< class TInput, // Input image or mesh 00046 class TLevelSetContainer > 00047 class LevelSetEquationLaplacianTerm : 00048 public LevelSetEquationTermBase< TInput, TLevelSetContainer > 00049 { 00050 public: 00051 typedef LevelSetEquationLaplacianTerm Self; 00052 typedef SmartPointer< Self > Pointer; 00053 typedef SmartPointer< const Self > ConstPointer; 00054 typedef LevelSetEquationTermBase< TInput, TLevelSetContainer > 00055 Superclass; 00056 00058 itkNewMacro( Self ); 00059 00061 itkTypeMacro( LevelSetEquationLaplacianTerm, 00062 LevelSetEquationTermBase ); 00063 00064 typedef typename Superclass::InputImageType InputImageType; 00065 typedef typename Superclass::InputImagePointer InputImagePointer; 00066 typedef typename Superclass::InputPixelType InputPixelType; 00067 typedef typename Superclass::InputPixelRealType InputPixelRealType; 00068 00069 typedef typename Superclass::LevelSetContainerType LevelSetContainerType; 00070 typedef typename Superclass::LevelSetContainerPointer LevelSetContainerPointer; 00071 typedef typename Superclass::LevelSetType LevelSetType; 00072 typedef typename Superclass::LevelSetPointer LevelSetPointer; 00073 typedef typename Superclass::LevelSetOutputPixelType LevelSetOutputPixelType; 00074 typedef typename Superclass::LevelSetOutputRealType LevelSetOutputRealType; 00075 typedef typename Superclass::LevelSetInputIndexType LevelSetInputIndexType; 00076 typedef typename Superclass::LevelSetGradientType LevelSetGradientType; 00077 typedef typename Superclass::LevelSetHessianType LevelSetHessianType; 00078 typedef typename Superclass::LevelSetIdentifierType LevelSetIdentifierType; 00079 00080 typedef typename Superclass::HeavisideType HeavisideType; 00081 typedef typename Superclass::HeavisideConstPointer HeavisideConstPointer; 00082 00083 typedef typename Superclass::LevelSetDataType LevelSetDataType; 00084 00085 itkStaticConstMacro(ImageDimension, unsigned int, InputImageType::ImageDimension); 00086 00088 typedef ZeroFluxNeumannBoundaryCondition< InputImageType > DefaultBoundaryConditionType; 00089 typedef typename ConstNeighborhoodIterator< InputImageType >::RadiusType RadiusType; 00090 typedef ConstNeighborhoodIterator< InputImageType, DefaultBoundaryConditionType > NeighborhoodType; 00091 00092 typedef Vector< LevelSetOutputRealType, itkGetStaticConstMacro(ImageDimension) > NeighborhoodScalesType; 00093 00095 virtual void Update(); 00096 00098 virtual void InitializeParameters(); 00099 00101 virtual void Initialize( const LevelSetInputIndexType& ); 00102 00104 virtual void UpdatePixel( const LevelSetInputIndexType& iP, 00105 const LevelSetOutputRealType& oldValue, 00106 const LevelSetOutputRealType& newValue ); 00107 00108 protected: 00109 LevelSetEquationLaplacianTerm(); 00110 00111 virtual ~LevelSetEquationLaplacianTerm(); 00112 00115 LevelSetOutputRealType LaplacianSpeed( const LevelSetInputIndexType& iP ) const; 00116 00119 virtual LevelSetOutputRealType Value( const LevelSetInputIndexType& iP ); 00120 00123 virtual LevelSetOutputRealType Value( const LevelSetInputIndexType& iP, 00124 const LevelSetDataType& iData ); 00125 00126 private: 00127 LevelSetEquationLaplacianTerm( const Self& ); // purposely not implemented 00128 void operator = ( const Self& ); // purposely not implemented 00129 }; 00130 00131 } 00132 #ifndef ITK_MANUAL_INSTANTIATION 00133 #include "itkLevelSetEquationLaplacianTerm.hxx" 00134 #endif 00135 #endif 00136