itklayerbase.txx

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

Program:   Insight Segmentation & Registration Toolkit
Module:    $RCSfile: itkLayerBase.txx,v $
Language:  C++
Date:      $Date: 2007-08-17 13:10:57 $
Version:   $Revision: 1.5 $

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 __itkLayerBase_txx
#define __itkLayerBase_txx

#include "itkLayerBase.h"


namespace itk
{
  namespace Statistics
    {
    static unsigned int INVALID_LAYER_ID=vcl_numeric_limits<unsigned int>::max();
    template<class TMeasurementVector, class TTargetVector>
      LayerBase<TMeasurementVector,TTargetVector>
      ::LayerBase()
        {
        m_NumberOfNodes = 0;
        m_LayerId = INVALID_LAYER_ID;
        m_LayerTypeCode = INVALIDLAYER;
        m_InputWeightSet = 0;
        m_OutputWeightSet = 0;
        m_ActivationFunction = 0;
        m_NodeInputFunction = 0;
        }

    template<class TMeasurementVector, class TTargetVector>
      LayerBase<TMeasurementVector,TTargetVector>
      ::~LayerBase()
        {
        }
    template<class TMeasurementVector, class TTargetVector>
      void
      LayerBase<TMeasurementVector,TTargetVector>
      ::SetNumberOfNodes(unsigned int n)
        {
        m_NumberOfNodes = n;
        this->Modified();
        }

    template<class TMeasurementVector, class TTargetVector>
      unsigned int
      LayerBase<TMeasurementVector,TTargetVector>
      ::GetNumberOfNodes() const
        {
        return m_NumberOfNodes;
        }

    template<class TMeasurementVector, class TTargetVector>
      void
      LayerBase<TMeasurementVector,TTargetVector>
      :: SetNodeInputFunction(InputFunctionInterfaceType* f)
        {
        m_NodeInputFunction = f;
        this->Modified();
        }

    template<class TMeasurementVector, class TTargetVector>
      void
      LayerBase<TMeasurementVector,TTargetVector>
      ::SetTransferFunction(TransferFunctionInterfaceType* f)
        {
        m_ActivationFunction = f;
        this->Modified();
        }

    template<class TMeasurementVector, class TTargetVector>
      void
      LayerBase<TMeasurementVector,TTargetVector>
      ::SetInputWeightSet(WeightSetInterfaceType* weightset)
        {
        if(m_LayerId==INVALID_LAYER_ID)
          {
          itkExceptionMacro("ERROR:  Layer not added to network prior to weights being added.");
          }
        m_InputWeightSet=weightset;
        m_InputWeightSet->SetOutputLayerId(m_LayerId);
        this->Modified();
        }

    template<class TMeasurementVector, class TTargetVector>
      void
      LayerBase<TMeasurementVector,TTargetVector>
      ::SetOutputWeightSet(WeightSetInterfaceType* weightset)
        {
        if(m_LayerId==INVALID_LAYER_ID)
          {
          itkExceptionMacro("ERROR:  Layer not added to network prior to weights being added.");
          }
        m_OutputWeightSet=weightset;
        m_OutputWeightSet->SetInputLayerId(m_LayerId);
        this->Modified();
        }

    /** Print the object */
    template<class TMeasurementVector, class TTargetVector>
      void
      LayerBase<TMeasurementVector,TTargetVector>
      ::PrintSelf( std::ostream& os, Indent indent ) const
        {
        os << indent << "BackPropagationLayer(" << this << ")" << std::endl;
        os << indent << "m_NumberOfNodes = " << m_NumberOfNodes << std::endl;
        os << indent << "m_LayerTypeCode = " << m_LayerTypeCode << std::endl;
        Superclass::PrintSelf( os, indent );
        }

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

#endif