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Review/Statistics/itkScalarImageToHistogramGenerator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkScalarImageToHistogramGenerator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-08-08 14:18:12 $
00007   Version:   $Revision: 1.2 $
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 __itkScalarImageToHistogramGenerator_h
00018 #define __itkScalarImageToHistogramGenerator_h
00019 
00020 
00021 #include "itkImageToListSampleAdaptor.h"
00022 #include "itkSampleToHistogramFilter.h"
00023 #include "itkHistogram.h"
00024 #include "itkObject.h"
00025 
00026 namespace itk {
00027 namespace Statistics {
00028 
00033 template< class TImageType >
00034 class ScalarImageToHistogramGenerator : public Object
00035 {
00036 public:
00038   typedef ScalarImageToHistogramGenerator  Self;
00039   typedef Object                           Superclass;
00040   typedef SmartPointer<Self>               Pointer;
00041   typedef SmartPointer<const Self>         ConstPointer;
00042 
00044   itkTypeMacro(ScalarImageToHistogramGenerator, Object);
00045 
00047   itkNewMacro(Self);
00048 
00049   typedef TImageType                                      ImageType;
00050   typedef itk::Statistics::ImageToListSampleAdaptor< 
00051                                               ImageType 
00052                                                       >   AdaptorType;
00053   typedef typename AdaptorType::Pointer                   AdaptorPointer;
00054   typedef typename ImageType::PixelType                   PixelType;
00055   typedef typename NumericTraits< PixelType >::RealType   RealPixelType;
00056 
00057   typedef itk::Statistics::Histogram< double > HistogramType;
00058   typedef itk::Statistics::SampleToHistogramFilter< AdaptorType, HistogramType > GeneratorType;
00059 
00060   typedef typename GeneratorType::Pointer                   GeneratorPointer;
00061 
00062   typedef typename HistogramType::Pointer                   HistogramPointer;
00063   typedef typename HistogramType::ConstPointer              HistogramConstPointer;
00064 
00065 public:
00066 
00068   void Compute( void );
00069 
00071   void SetInput( const ImageType * );
00072 
00076   const HistogramType * GetOutput() const;
00077 
00079   void SetNumberOfBins( unsigned int numberOfBins );
00080 
00082   void SetMarginalScale( double marginalScale );
00083 
00085   void SetHistogramMin( RealPixelType minimumValue );
00086 
00088   void SetHistogramMax( RealPixelType maximumValue );
00089 
00090 protected:
00091   ScalarImageToHistogramGenerator();
00092   virtual ~ScalarImageToHistogramGenerator() {};
00093   void PrintSelf(std::ostream& os, Indent indent) const;
00094 
00095 
00096 private:
00097 
00098   AdaptorPointer      m_ImageToListAdaptor;
00099 
00100   GeneratorPointer    m_HistogramGenerator;
00101   
00102   ScalarImageToHistogramGenerator(const Self&); //purposely not implemented
00103   void operator=(const Self&); //purposely not implemented
00104 };
00105 
00106 
00107 } // end of namespace Statistics 
00108 } // end of namespace itk 
00109 
00110 #ifndef ITK_MANUAL_INSTANTIATION
00111 #include "itkScalarImageToHistogramGenerator.txx"
00112 #endif
00113 
00114 #endif
00115 

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