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itkBinaryThresholdImageFunction.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkBinaryThresholdImageFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:01 $ 00007 Version: $Revision: 1.6 $ 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 _itkBinaryThresholdImageFunction_h 00018 #define _itkBinaryThresholdImageFunction_h 00019 00020 #include "itkImageFunction.h" 00021 00022 namespace itk 00023 { 00024 00040 template <class TInputImage, class TCoordRep = float> 00041 class ITK_EXPORT BinaryThresholdImageFunction : 00042 public ImageFunction<TInputImage,bool,TCoordRep> 00043 { 00044 public: 00046 typedef BinaryThresholdImageFunction Self; 00047 typedef ImageFunction<TInputImage,bool,TCoordRep> Superclass; 00048 typedef SmartPointer<Self> Pointer; 00049 typedef SmartPointer<const Self> ConstPointer; 00050 00052 itkTypeMacro(BinaryThresholdImageFunction, ImageFunction); 00053 00055 itkNewMacro(Self); 00056 00058 typedef typename Superclass::InputImageType InputImageType; 00059 00061 typedef typename TInputImage::PixelType PixelType; 00062 00064 itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension); 00065 00067 typedef typename Superclass::PointType PointType; 00068 00070 typedef typename Superclass::IndexType IndexType; 00071 00073 typedef typename Superclass::ContinuousIndexType ContinuousIndexType; 00074 00084 virtual bool Evaluate( const PointType& point ) const 00085 { 00086 IndexType index; 00087 this->ConvertPointToNearestIndex( point, index ); 00088 return ( this->EvaluateAtIndex( index ) ); 00089 } 00090 00099 virtual bool EvaluateAtContinuousIndex( 00100 const ContinuousIndexType & index ) const 00101 { 00102 IndexType nindex; 00103 00104 this->ConvertContinuousIndexToNearestIndex (index, nindex); 00105 return this->EvaluateAtIndex(nindex); 00106 } 00107 00116 virtual bool EvaluateAtIndex( const IndexType & index ) const 00117 { 00118 PixelType value = m_Image->GetPixel(index); 00119 return ( m_Lower <= value && value <= m_Upper); 00120 } 00121 00123 itkGetConstMacro(Lower,PixelType); 00124 00126 itkGetConstMacro(Upper,PixelType); 00127 00129 void ThresholdAbove(PixelType thresh); 00130 00132 void ThresholdBelow(PixelType thresh); 00133 00135 void ThresholdBetween(PixelType lower, PixelType upper); 00136 00137 protected: 00138 BinaryThresholdImageFunction(); 00139 ~BinaryThresholdImageFunction(){}; 00140 void PrintSelf(std::ostream& os, Indent indent) const; 00141 00142 private: 00143 BinaryThresholdImageFunction( const Self& ); //purposely not implemented 00144 void operator=( const Self& ); //purposely not implemented 00145 00146 PixelType m_Lower; 00147 PixelType m_Upper; 00148 }; 00149 00150 } // namespace itk 00151 00152 #ifndef ITK_MANUAL_INSTANTIATION 00153 #include "itkBinaryThresholdImageFunction.txx" 00154 #endif 00155 00156 #endif

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