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itkNeighborhoodSampler.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkNeighborhoodSampler.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/09/27 14:02:17 $
00007   Version:   $Revision: 1.4 $
00008 
00009   Copyright (c) 2002 Insight 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 __itkNeighborhoodSampler_h
00018 #define __itkNeighborhoodSampler_h
00019 
00020 #include "itkMacro.h"
00021 #include "itkObject.h"
00022 #include "itkSample.h"
00023 #include "itkSubsample.h"
00024 #include "itkFixedArray.h"
00025 #include "itkSampleAlgorithmBase.h"
00026 
00027 namespace itk{ 
00028 namespace Statistics{
00029 
00040 template < class TSample >
00041 class ITK_EXPORT NeighborhoodSampler : public SampleAlgorithmBase< TSample >
00042 {
00043 public:
00045   typedef NeighborhoodSampler  Self ;
00046   typedef SampleAlgorithmBase< TSample > Superclass ;
00047   typedef SmartPointer< Self > Pointer ;
00048   typedef SmartPointer< const Self > ConstPointer ;
00049 
00051   itkTypeMacro(NeighborhoodSampler, SampleAlgorithmBase);
00052 
00054   itkNewMacro(Self) ;
00055 
00057   typedef TSample SampleType ;
00058 
00060   itkStaticConstMacro(MeasurementVectorSize, unsigned int, 
00061                       TSample::MeasurementVectorSize) ;
00062   typedef typename TSample::MeasurementVectorType MeasurementVectorType ;
00063   typedef typename TSample::MeasurementType MeasurementType ;
00064   typedef typename TSample::FrequencyType FrequencyType ;
00065   typedef typename TSample::InstanceIdentifier InstanceIdentifier ;
00066 
00068   typedef typename Superclass::InputSampleType InputSampleType ;
00069 
00071   typedef Subsample< TSample > SubsampleType ;
00072 
00074   typedef double RadiusType ;
00075 
00077   typedef FixedArray< double, itkGetStaticConstMacro(MeasurementVectorSize) > CenterType ;
00078 
00080   void SetCenter(CenterType* center)
00081   {
00082     if ( m_Center != center )
00083       {
00084         m_Center = center ;
00085         this->Modified() ;
00086       }
00087   }
00088 
00090   CenterType* GetCenter() 
00091   { return m_Center ; }
00092 
00094   void SetRadius(RadiusType* radius)
00095   { 
00096     if ( m_Radius != radius )
00097       {
00098         m_Radius = radius ;
00099         this->Modified() ;
00100       }
00101   }
00102 
00104   RadiusType* GetRadius()
00105   { return m_Radius ; } 
00106 
00108   typedef SubsampleType OutputType ;
00109 
00111   OutputType* GetOutput() ;
00112 
00113 protected:
00114   NeighborhoodSampler() ;
00115   virtual ~NeighborhoodSampler() {}
00116   virtual void PrintSelf(std::ostream& os, Indent indent) const ;
00117 
00118   void GenerateData() ;
00119 
00120 private:
00121   NeighborhoodSampler(const Self&) ; //purposely not implemented
00122   void operator=(const Self&) ; //purposely not implemented
00123   
00124   CenterType* m_Center ;
00125   RadiusType* m_Radius ;
00126   typename SubsampleType::Pointer m_Subsample ;
00127 } ; // end of class
00128 
00129 } // end of namespace Statistics 
00130 } // end of namespace itk
00131 
00132 #ifndef ITK_MANUAL_INSTANTIATION
00133 #include "itkNeighborhoodSampler.txx"
00134 #endif
00135 
00136 #endif

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