itkSelectiveSubsampleGenerator.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSelectiveSubsampleGenerator.h,v $
  Language:  C++
  Date:      $Date: 2009-03-04 19:29:54 $
  Version:   $Revision: 1.6 $

  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 __itkSelectiveSubsampleGenerator_h
#define __itkSelectiveSubsampleGenerator_h


#include "itkObject.h"
#include "itkMembershipSample.h"

namespace itk {
namespace Statistics {

template< class TInputSample, class TClassMaskSample >
class ITK_EXPORT SelectiveSubsampleGenerator : 
      public Object
{
public:
  typedef SelectiveSubsampleGenerator Self;
  typedef Object                      Superclass;
  typedef SmartPointer<Self>          Pointer;
  typedef SmartPointer<const Self>    ConstPointer;

  itkTypeMacro(SelectiveSubsampleGenerator, Object);
  itkNewMacro(Self);

  typedef typename TInputSample::MeasurementVectorType MeasurementVectorType;

  typedef typename TClassMaskSample::MeasurementType ClassLabelType;
  typedef std::vector< ClassLabelType >              ClassLabelVectorType;

  typedef Subsample< TInputSample >    OutputType;
  typedef typename OutputType::Pointer OutputPointer;

  void SetInput(TInputSample* sample);

  TInputSample* GetInput();

  void SetClassMask(const TClassMaskSample* classMask);

  const TClassMaskSample* GetClassMask() const;

  void SetSelectedClassLabels( const ClassLabelVectorType& classLabels )
  { m_SelectedClassLabels = classLabels; }

  const OutputType * GetOutput() const;

  void GenerateData();

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

private:
  TInputSample*           m_Input;
  const TClassMaskSample* m_ClassMask;
  ClassLabelVectorType    m_SelectedClassLabels;
  OutputPointer           m_Output;
}; // end of class

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

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

#endif

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