itkSampleToSubsampleFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSampleToSubsampleFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-05-02 05:43:58 $
  Version:   $Revision: 1.1 $

  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 __itkSampleToSubsampleFilter_h
#define __itkSampleToSubsampleFilter_h

#include "itkSample.h"
#include "itkSubsample.h"
#include "itkProcessObject.h"

namespace itk {
namespace Statistics {

template< class TSample >
class ITK_EXPORT SampleToSubsampleFilter : public ProcessObject
{
public:
  typedef SampleToSubsampleFilter     Self;
  typedef ProcessObject               Superclass;
  typedef SmartPointer< Self >        Pointer;
  typedef SmartPointer< const Self >  ConstPointer;

  itkTypeMacro(SampleToSubsampleFilter, ProcessObject);

  typedef TSample                                    SampleType;
  typedef typename SampleType::MeasurementVectorType MeasurementVectorType;
  typedef typename SampleType::MeasurementType       MeasurementType;
  typedef typename SampleType::InstanceIdentifier    InstanceIdentifier;

  typedef Subsample< SampleType >                    SubsampleType;
  typedef SubsampleType                              OutputType;

  virtual void SetInput( const SampleType * sample );
  virtual const SampleType * GetInput() const;

  const OutputType  * GetOutput() const;


protected:
  SampleToSubsampleFilter();
  virtual ~SampleToSubsampleFilter();
  void PrintSelf(std::ostream& os, Indent indent) const;  
  
  virtual DataObjectPointer MakeOutput(unsigned int idx);

private:
  SampleToSubsampleFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

}; // end of class

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

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

#endif

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