itkSampleAlgorithmBase.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkSampleAlgorithmBase.h,v $
  Language:  C++
  Date:      $Date: 2009-03-04 19:29:53 $
  Version:   $Revision: 1.8 $

  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 __itkSampleAlgorithmBase_h
#define __itkSampleAlgorithmBase_h

#include <vnl/vnl_vector.h>
#include <vnl/vnl_matrix.h>

#include "itkMacro.h"
#include "itkObjectFactory.h"
#include "itkObject.h"
#include "itkMeasurementVectorTraits.h"

namespace itk { 
namespace Statistics {
  
template< class TInputSample >
class ITK_EXPORT SampleAlgorithmBase : public Object
{
public:
  typedef SampleAlgorithmBase        Self;
  typedef Object                     Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

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

  typedef unsigned int MeasurementVectorSizeType;

  typedef TInputSample                                    InputSampleType;
  typedef typename InputSampleType::MeasurementVectorType MeasurementVectorType;

  void SetInputSample( const TInputSample * sample ) 
    {
    if ( m_InputSample != sample )
      {
      m_InputSample = sample;
      m_MeasurementVectorSize = m_InputSample->GetMeasurementVectorSize();
      this->Modified();
      }
    }


  itkGetConstMacro( MeasurementVectorSize, MeasurementVectorSizeType );
  itkSetMacro( MeasurementVectorSize, MeasurementVectorSizeType )

  const TInputSample * GetInputSample() const
    { return m_InputSample.GetPointer(); }

  void Update()
    { this->GenerateData(); }

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

  virtual void GenerateData();

private:
  MeasurementVectorSizeType m_MeasurementVectorSize;

  typename TInputSample::ConstPointer m_InputSample;
}; // end of class

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

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

#endif