itkStandardDeviationPerComponentSampleFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkStandardDeviationPerComponentSampleFilter.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 __itkStandardDeviationPerComponentSampleFilter_h
#define __itkStandardDeviationPerComponentSampleFilter_h

#include "itkProcessObject.h"

#include "itkArray.h"
#include "itkVariableSizeMatrix.h"
#include "itkSimpleDataObjectDecorator.h"
#include "itkNumericTraitsFixedArrayPixel.h"

namespace itk { 
namespace Statistics {
  
template< class TSample >
class ITK_EXPORT StandardDeviationPerComponentSampleFilter :
    public ProcessObject
{
public:
  typedef StandardDeviationPerComponentSampleFilter   Self;
  typedef ProcessObject                               Superclass;
  typedef SmartPointer<Self>                          Pointer;
  typedef SmartPointer<const Self>                    ConstPointer;
  typedef TSample                                     SampleType;

  itkTypeMacro(StandardDeviationPerComponentSampleFilter, ProcessObject);
  itkNewMacro(Self);

  typedef typename TSample::MeasurementVectorSizeType MeasurementVectorSizeType;

  typedef typename TSample::MeasurementVectorType                     MeasurementVectorType;
  typedef typename NumericTraits< MeasurementVectorType >::RealType   MeasurementVectorRealType;

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

  typedef  SimpleDataObjectDecorator< MeasurementVectorRealType >  MeasurementVectorRealDecoratedType;

  typedef MeasurementVectorRealDecoratedType OutputType;
  
  const MeasurementVectorRealType GetStandardDeviationPerComponent() const;
  const MeasurementVectorRealDecoratedType* GetStandardDeviationPerComponentOutput() const;

  const MeasurementVectorRealType GetMeanPerComponent() const;
  const MeasurementVectorRealDecoratedType* GetMeanPerComponentOutput() const;

protected:
  StandardDeviationPerComponentSampleFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  StandardDeviationPerComponentSampleFilter();
  virtual ~StandardDeviationPerComponentSampleFilter();
  void PrintSelf(std::ostream& os, Indent indent) const;

  typedef DataObject::Pointer DataObjectPointer;

  virtual DataObjectPointer MakeOutput(unsigned int idx);

  void GenerateData();

  MeasurementVectorSizeType GetMeasurementVectorSize() const;

private:

}; // end of class
    
} // end of namespace Statistics 
} // end of namespace itk 

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

#endif

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