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itkImageToListGenerator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkImageToListGenerator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007-04-25 22:25:16 $
00007   Version:   $Revision: 1.3 $
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 __itkImageToListGenerator_h
00018 #define __itkImageToListGenerator_h
00019 
00020 #include "itkListSample.h"
00021 #include "itkPixelTraits.h"
00022 #include "itkProcessObject.h"
00023 #include "itkDataObject.h"
00024 #include "itkDataObjectDecorator.h"
00025 #include "itkFixedArray.h"
00026 
00027 namespace itk { 
00028 namespace Statistics {
00029 
00053 template < class TImage, class TMaskImage = TImage > 
00054 class ITK_EXPORT ImageToListGenerator :
00055   public ProcessObject
00056 {
00057 public:
00059   typedef ImageToListGenerator        Self;
00060   typedef ProcessObject               Superclass;
00061   typedef SmartPointer< Self >        Pointer;
00062   typedef SmartPointer<const Self>    ConstPointer;
00063 
00065   itkTypeMacro(ImageToListGenerator, ProcessObject);
00066 
00068   itkNewMacro(Self);
00069 
00071   typedef TImage                           ImageType;
00072   typedef typename ImageType::Pointer      ImagePointer;
00073   typedef typename ImageType::ConstPointer ImageConstPointer;
00074   typedef typename ImageType::PixelType    PixelType;
00075   typedef FixedArray< PixelType, 1 >       MeasurementVectorType;
00076 
00078   typedef TMaskImage                           MaskImageType;
00079   typedef typename MaskImageType::Pointer      MaskImagePointer;
00080   typedef typename MaskImageType::ConstPointer MaskImageConstPointer;
00081   typedef typename MaskImageType::PixelType    MaskPixelType;
00082 
00084   typedef ListSample< MeasurementVectorType >  ListSampleType;
00085 
00088   typedef PixelTraits< typename ImageType::PixelType > PixelTraitsType;
00089   typedef typename ListSampleType::MeasurementVectorSizeType 
00090                                      MeasurementVectorSizeType;
00091 
00092   typedef DataObject::Pointer DataObjectPointer;
00093 
00096   typedef DataObjectDecorator< ListSampleType >  ListSampleOutputType;
00097 
00099   itkStaticConstMacro(MeasurementVectorSize, unsigned int,
00100                       PixelTraitsType::Dimension);
00101 
00103   virtual DataObjectPointer MakeOutput(unsigned int idx);
00104 
00105   virtual void SetMeasurementVectorSize( const MeasurementVectorSizeType s )
00106     {
00107     // Measurement vector size for this class is fixed as the pixel's 
00108     // dimension. This method should throw an exception if the user tries to 
00109     // set the dimension to a different value. 
00110     if( s != MeasurementVectorSize )
00111       {
00112       itkExceptionMacro(
00113         << "Measurement vector size for the image adaptor obtained"
00114         << " from the pixel dimension is: "
00115         << MeasurementVectorSize << " but you "
00116         << "are setting it to " << s);
00117       }
00118     }
00119 
00120   unsigned int GetMeasurementVectorSize() const 
00121     {
00122     return MeasurementVectorSize;
00123     } 
00124 
00126   void SetInput( const ImageType* image );
00127   const ImageType* GetInput() const;
00129 
00131   void SetMaskImage( const MaskImageType* image );
00132   const MaskImageType* GetMaskImage() const;
00134 
00138   const ListSampleType * GetListSample() const;
00139 
00144   itkSetMacro( MaskValue, MaskPixelType );
00145   itkGetMacro( MaskValue, MaskPixelType );
00147 
00149   virtual void GenerateData();
00150 
00153   virtual void GenerateInputRequestedRegion()
00154     throw(InvalidRequestedRegionError);
00155 
00156   virtual void GenerateOutputInformation();
00157 
00158 protected:
00159   ImageToListGenerator();
00160   virtual ~ImageToListGenerator() {}
00161   void PrintSelf(std::ostream& os, Indent indent) const;  
00162 
00163 private:
00164   ImageToListGenerator(const Self&); //purposely not implemented
00165   void operator=(const Self&); //purposely not implemented
00166 
00167   MaskPixelType m_MaskValue;
00168 
00169 }; // end of class ImageToListGenerator
00170 
00171 } // end of namespace Statistics
00172 } // end of namespace itk
00173 
00174 #ifndef ITK_MANUAL_INSTANTIATION
00175 #include "itkImageToListGenerator.txx"
00176 #endif
00177 
00178 #endif
00179 

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