itkGaussianTransferFunction.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkGaussianTransferFunction.h,v $
  Language:  C++
  Date:      $Date: 2009-01-24 21:33:49 $
  Version:   $Revision: 1.3 $

  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 __itkGaussianTransferFunction_h
#define __itkGaussianTransferFunction_h

#include "itkTransferFunctionBase.h"


namespace itk
{
namespace Statistics
{

template<class ScalarType>
class GaussianTransferFunction : public TransferFunctionBase<ScalarType>
{
public:
  typedef GaussianTransferFunction         Self;
  typedef TransferFunctionBase<ScalarType> Superclass;
  typedef SmartPointer<Self>               Pointer;
  typedef SmartPointer<const Self>         ConstPointer;

  itkTypeMacro(GaussianTransferFunction, TransferFunctionBase);

  itkNewMacro(Self);

  virtual ScalarType Evaluate(const ScalarType& input) const;

  virtual ScalarType EvaluateDerivative(const ScalarType& input) const;

protected:

  GaussianTransferFunction();
  virtual ~GaussianTransferFunction();

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

};//class

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

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

#endif