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itkEuclideanDistance.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkEuclideanDistance.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-03-04 15:23:46 $
00007   Version:   $Revision: 1.11 $
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 __itkEuclideanDistance_h
00018 #define __itkEuclideanDistance_h
00019 
00020 #include "itkNumericTraits.h"
00021 #include "itkDistanceMetric.h"
00022 #include "itkMeasurementVectorTraits.h"
00023 
00024 namespace itk { 
00025 namespace Statistics {
00026 
00051 template< class TVector >
00052 class ITK_EXPORT EuclideanDistance : 
00053     public DistanceMetric< TVector >
00054 {
00055 public:
00057   typedef EuclideanDistance         Self;
00058   typedef DistanceMetric< TVector > Superclass;
00059   typedef SmartPointer< Self >      Pointer; 
00060   typedef SmartPointer<const Self>  ConstPointer;
00061 
00062   typedef typename Superclass::MeasurementVectorSizeType MeasurementVectorSizeType;
00063 
00065   itkTypeMacro(EuclideanDistance, DistanceMetric);
00066 
00068   itkNewMacro(Self);
00069 
00071   typedef typename TVector::ValueType ValueType;
00072 
00074   double Evaluate(const TVector &x) const;
00075 
00077   double Evaluate(const TVector &x1, const TVector &x2) const;
00078 
00081   double Evaluate(const ValueType &a, const ValueType &b) const;
00082 
00085   bool IsWithinRange(const TVector &x, const double radius) const;
00086 
00087 protected:
00088   EuclideanDistance() {}
00089   virtual ~EuclideanDistance() {} 
00090 }; // end of class
00091 
00092 } // end of namespace Statistics 
00093 } // end of namespace itk
00094 
00095 #ifndef ITK_MANUAL_INSTANTIATION
00096 #include "itkEuclideanDistance.txx"
00097 #endif
00098 
00099 #endif
00100 

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