itkImageToCooccurrenceListAdaptor.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageToCooccurrenceListAdaptor.h,v $
  Language:  C++
  Date:      $Date: 2009-03-04 15:23:50 $
  Version:   $Revision: 1.7 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/

#ifndef __itkImageToCooccurrenceListAdaptor_h
#define __itkImageToCooccurrenceListAdaptor_h

#include <typeinfo>

#include "itkImage.h"
#include "itkPixelTraits.h"
#include "itkImageToListAdaptor.h"
#include "itkSmartPointer.h"
#include "itkImageRegionIterator.h"
#include "itkShapedNeighborhoodIterator.h"
#include "itkNeighborhoodIterator.h"
#include "itkNeighborhoodAlgorithm.h"
#include "itkConstantBoundaryCondition.h"
#include "itkListSample.h"
#include "itkFixedArray.h"
#include "itkMacro.h"

#include <vector>
#include <algorithm>
#include <iostream>

namespace itk { 
namespace Statistics {

template < class TImage >
class ITK_EXPORT ImageToCooccurrenceListAdaptor
  : public ImageToListAdaptor< 
  TImage, 
  FixedArray< typename TImage::PixelType, 2 > >
{
public:
  typedef TImage ImageType;

  typedef FixedArray< typename TImage::PixelType, 2 > MeasurementVectorType;

  typedef itk::Statistics::ListSample< MeasurementVectorType > SampleType;
  typedef typename SampleType::MeasurementVectorSizeType       MeasurementVectorSizeType;

  typedef ImageToCooccurrenceListAdaptor                      Self;
  typedef ImageToListAdaptor< TImage, MeasurementVectorType > Superclass;
  typedef SmartPointer< Self >                                Pointer;
  typedef SmartPointer<const Self>                            ConstPointer;

  typedef itk::ShapedNeighborhoodIterator< 
                  TImage , 
                  ConstantBoundaryCondition<TImage> 
                                       > ShapedNeighborhoodIteratorType;

  typedef typename ShapedNeighborhoodIteratorType::OffsetType OffsetType;
  typedef std::vector<OffsetType>                             OffsetTable;

  void UseNeighbor(const OffsetType & offset);

  void Compute();

  itkTypeMacro(ImageToCooccurrenceListAdaptor, ListSampleBase);

  itkNewMacro(Self);

  itkStaticConstMacro(MeasurementVectorSize, unsigned int, 2);

  virtual void SetMeasurementVectorSize( const MeasurementVectorSizeType )
    {
    // Measurement vector size for this class is fixed as the pixel's 
    // dimension. This method should have no effect
    itkWarningMacro( << "This method does nothing! The MeasurementVectorSize is " 
        << MeasurementVectorSize );
    }

  unsigned int GetMeasurementVectorSize() const
    {
    return Superclass::MeasurementVectorSize;
    } 

  typedef typename Superclass::PixelType          PixelType;
  typedef typename Superclass::FrequencyType      FrequencyType;
  typedef typename Superclass::MeasurementType    MeasurementType;
  typedef typename Superclass::InstanceIdentifier InstanceIdentifier;
  typedef MeasurementVectorType                   ValueType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TImage::ImageDimension);


protected:
  ImageToCooccurrenceListAdaptor();
  virtual ~ImageToCooccurrenceListAdaptor() {}
  void PrintSelf(std::ostream& os, Indent indent) const;  

private:
  ImageToCooccurrenceListAdaptor(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  OffsetTable                  m_OffsetTable;
  typename SampleType::Pointer m_Sample;
}; // end of class ScalarImageToListAdaptor

} // end of namespace Statistics
} // end of namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageToCooccurrenceListAdaptor.txx"
#endif

#endif