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Numerics/Statistics/itkMembershipFunctionBase.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkMembershipFunctionBase.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-03-04 15:24:02 $
00007   Version:   $Revision: 1.9 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkMembershipFunctionBase_h
00018 #define __itkMembershipFunctionBase_h
00019 
00020 #include "itkFunctionBase.h"
00021 #include "itkMeasurementVectorTraits.h"
00022 
00023 namespace itk { 
00024 namespace Statistics {
00025 
00037 template< class TVector >
00038 class ITK_EXPORT MembershipFunctionBase :
00039     public FunctionBase< TVector, double >
00040 {
00041 public:
00043   typedef MembershipFunctionBase          Self;
00044   typedef FunctionBase< TVector, double > Superclass;
00045   typedef SmartPointer< Self >            Pointer;
00046   typedef SmartPointer<const Self>        ConstPointer;
00047 
00049   itkTypeMacro(MembershipFunctionBase, FunctionBase);
00050 
00052   typedef unsigned int  MeasurementVectorSizeType;
00053 
00055   virtual double Evaluate(const TVector &x) const = 0;
00056 
00058   itkSetMacro( MeasurementVectorSize, MeasurementVectorSizeType );
00059   itkGetConstMacro( MeasurementVectorSize, MeasurementVectorSizeType ); 
00061 
00062 protected:
00063   MembershipFunctionBase() : m_MeasurementVectorSize( 
00064       MeasurementVectorTraits::GetLength( TVector() ) ) {}
00065   virtual ~MembershipFunctionBase(void) {}
00066 
00067   void PrintSelf(std::ostream& os, Indent indent) const
00068     { 
00069     Superclass::PrintSelf(os,indent); 
00070     os << indent << "Length of measurement vectors: " 
00071                 << m_MeasurementVectorSize << std::endl;
00072     }
00073 
00074   MeasurementVectorSizeType m_MeasurementVectorSize;
00075 }; // end of class
00076 
00077 } // end of namespace Statistics
00078 } // end namespace itk
00079 
00080 #endif
00081 

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