00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkDistanceMetric.h,v $ 00005 Language: C++ 00006 Date: $Date: 2010-02-02 13:45:16 $ 00007 Version: $Revision: 1.14 $ 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 __itkDistanceMetric_h 00018 #define __itkDistanceMetric_h 00019 00020 #include "itkMembershipFunctionBase.h" 00021 #include "itkArray.h" 00022 00023 namespace itk { 00024 namespace Statistics { 00025 00056 template< class TVector > 00057 class ITK_EXPORT DistanceMetric : public MembershipFunctionBase< TVector > 00058 { 00059 public: 00061 typedef DistanceMetric Self; 00062 typedef MembershipFunctionBase< TVector > Superclass; 00063 typedef SmartPointer< Self > Pointer; 00064 typedef SmartPointer<const Self> ConstPointer; 00065 typedef typename Superclass::MeasurementVectorSizeType 00066 MeasurementVectorSizeType; 00067 00069 itkTypeMacro(DistanceMetric, MembershipFunctionBase); 00070 00071 typedef Array< double > OriginType; 00072 00074 virtual void SetMeasurementVectorSize( const MeasurementVectorSizeType ); 00075 00079 void SetOrigin(const OriginType& x); 00080 itkGetConstReferenceMacro(Origin, OriginType); 00082 00085 virtual double Evaluate(const TVector &x) const = 0; 00086 00088 virtual double Evaluate(const TVector &x1, const TVector &x2) const = 0; 00089 00090 protected: 00091 DistanceMetric(); 00092 virtual ~DistanceMetric() {} 00093 void PrintSelf(std::ostream& os, Indent indent) const; 00094 00095 OriginType m_Origin; 00096 }; // end of class 00097 00098 } // end of namespace Statistics 00099 } // end of namespace itk 00100 00101 #ifndef ITK_MANUAL_INSTANTIATION 00102 #include "itkDistanceMetric.txx" 00103 #endif 00104 00105 #endif 00106