Main Page   Groups   Namespace List   Class Hierarchy   Alphabetical List   Compound List   File List   Namespace Members   Compound Members   File Members   Concepts

itkBinaryThresholdImageFilter.h

Go to the documentation of this file.
00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkBinaryThresholdImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007/01/22 21:18:18 $
00007   Version:   $Revision: 1.13 $
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 __itkBinaryThresholdImageFilter_h
00018 #define __itkBinaryThresholdImageFilter_h
00019 
00020 #include "itkUnaryFunctorImageFilter.h"
00021 #include "itkConceptChecking.h"
00022 #include "itkSimpleDataObjectDecorator.h"
00023 
00024 namespace itk
00025 {
00026   
00052 namespace Functor {  
00053   
00054 template< class TInput, class TOutput>
00055 class BinaryThreshold
00056 {
00057 public:
00058   BinaryThreshold()
00059   {
00060     m_LowerThreshold = NumericTraits<TInput>::NonpositiveMin();
00061     m_UpperThreshold = NumericTraits<TInput>::max();
00062     m_OutsideValue   = NumericTraits<TOutput>::Zero;
00063     m_InsideValue    = NumericTraits<TOutput>::max();
00064   };
00065   ~BinaryThreshold() {};
00066 
00067   void SetLowerThreshold( const TInput & thresh )
00068   { m_LowerThreshold = thresh; }
00069   void SetUpperThreshold( const TInput & thresh )
00070   { m_UpperThreshold = thresh; }
00071   void SetInsideValue( const TOutput & value )
00072   { m_InsideValue = value; }
00073   void SetOutsideValue( const TOutput & value )
00074   { m_OutsideValue = value; }
00075 
00076   bool operator!=( const BinaryThreshold & other ) const
00077   {
00078     if( m_LowerThreshold != other.m_LowerThreshold ||
00079         m_UpperThreshold != other.m_UpperThreshold ||
00080         m_InsideValue    != other.m_InsideValue    ||
00081         m_OutsideValue   != other.m_OutsideValue  )
00082         {
00083         return true;
00084         }
00085     return false;
00086    }
00087   bool operator==( const BinaryThreshold & other ) const
00088   {
00089     return !(*this != other);
00090   }
00091 
00092   inline TOutput operator()( const TInput & A )
00093   {
00094     if ( m_LowerThreshold <= A && A <= m_UpperThreshold )
00095       {
00096       return m_InsideValue;
00097       }
00098     return m_OutsideValue;
00099   }
00100 
00101 private:
00102   TInput      m_LowerThreshold;
00103   TInput      m_UpperThreshold;
00104   TOutput     m_InsideValue;
00105   TOutput     m_OutsideValue;
00106 
00107 };
00108 }
00109 
00110 template <class TInputImage, class TOutputImage>
00111 class ITK_EXPORT BinaryThresholdImageFilter :
00112     public
00113 UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00114                         Functor::BinaryThreshold< 
00115   typename TInputImage::PixelType, 
00116   typename TOutputImage::PixelType> >
00117 {
00118 public:
00120   typedef BinaryThresholdImageFilter  Self;
00121   typedef UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00122                                   Functor::BinaryThreshold< 
00123     typename TInputImage::PixelType, 
00124     typename TOutputImage::PixelType>   
00125   >  Superclass;
00126   typedef SmartPointer<Self>   Pointer;
00127   typedef SmartPointer<const Self>  ConstPointer;
00128 
00130   itkNewMacro(Self);
00131 
00133   itkTypeMacro(BinaryThresholdImageFilter, UnaryFunctorImageFilter);
00134 
00136   typedef typename TInputImage::PixelType  InputPixelType;
00137   typedef typename TOutputImage::PixelType OutputPixelType;
00138 
00140   typedef SimpleDataObjectDecorator<InputPixelType> InputPixelObjectType;
00141 
00144   itkSetMacro(OutsideValue,OutputPixelType);
00145 
00147   itkGetConstReferenceMacro(OutsideValue,OutputPixelType);
00148 
00151   itkSetMacro(InsideValue,OutputPixelType);
00152 
00154   itkGetConstReferenceMacro(InsideValue,OutputPixelType);
00155 
00160   virtual void SetUpperThreshold(const InputPixelType threshold);
00161   virtual void SetUpperThresholdInput( const InputPixelObjectType *);
00162   virtual void SetLowerThreshold(const InputPixelType threshold);
00163   virtual void SetLowerThresholdInput( const InputPixelObjectType *);
00165 
00167   virtual InputPixelType GetUpperThreshold() const;
00168   virtual InputPixelObjectType *GetUpperThresholdInput();
00169   virtual const InputPixelObjectType *GetUpperThresholdInput() const;
00170   virtual InputPixelType GetLowerThreshold() const;
00171   virtual InputPixelObjectType *GetLowerThresholdInput();
00172   virtual const InputPixelObjectType *GetLowerThresholdInput() const;
00174 
00175 #ifdef ITK_USE_CONCEPT_CHECKING
00176 
00177   itkConceptMacro(OutputEqualityComparableCheck,
00178                   (Concept::EqualityComparable<OutputPixelType>));
00179   itkConceptMacro(InputPixelTypeComparable,
00180                   (Concept::Comparable<InputPixelType>));
00181   itkConceptMacro(InputOStreamWritableCheck,
00182                   (Concept::OStreamWritable<InputPixelType>));
00183   itkConceptMacro(OutputOStreamWritableCheck,
00184                   (Concept::OStreamWritable<OutputPixelType>));
00185 
00187 #endif
00188 
00189 protected:
00190   BinaryThresholdImageFilter();
00191   virtual ~BinaryThresholdImageFilter() {}
00192   void PrintSelf(std::ostream& os, Indent indent) const;
00193 
00196   virtual void BeforeThreadedGenerateData();
00197 
00198 private:
00199   BinaryThresholdImageFilter(const Self&); //purposely not implemented
00200   void operator=(const Self&); //purposely not implemented
00201 
00202   OutputPixelType     m_InsideValue;
00203   OutputPixelType     m_OutsideValue;
00204 
00205 };
00206 
00207 } // end namespace itk
00208 
00209 #ifndef ITK_MANUAL_INSTANTIATION
00210 #include "itkBinaryThresholdImageFilter.txx"
00211 #endif
00212 
00213 #endif
00214 

Generated at Sun Mar 11 23:33:23 2007 for ITK by doxygen 1.5.1 written by Dimitri van Heesch, © 1997-2000