itkDensityFunction.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkDensityFunction.h,v $
  Language:  C++
  Date:      $Date: 2002/03/05 18:27:57 $
  Version:   $Revision: 1.5 $

  Copyright (c) 2002 Insight 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 __itkDensityFunction_h
#define __itkDensityFunction_h

#include "itkMembershipFunctionBase.h"

namespace itk{ 
  namespace Statistics{

template< class TMeasurementVector >
class ITK_EXPORT DensityFunction :
      public MembershipFunctionBase< TMeasurementVector >
{
public:
  typedef DensityFunction Self;
  typedef MembershipFunctionBase< TMeasurementVector > Superclass ;
  typedef SmartPointer<Self> Pointer;

  itkTypeMacro(DensityFunction, MembershipFunctionBase);

  virtual double Evaluate(const TMeasurementVector &measurement) const = 0 ;
  
protected:
  DensityFunction(void) {}
  virtual ~DensityFunction(void) {}

  void PrintSelf(std::ostream& os, Indent indent) const
  { Superclass::PrintSelf(os,indent) ; }
} ; // end of class

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

#endif

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