G4LineSection.hh

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00026 //
00027 // $Id: G4LineSection.hh 69786 2013-05-15 09:38:51Z gcosmo $
00028 //
00029 //
00030 // class G4LineSection
00031 //
00032 // Class description:
00033 //
00034 // A utility class that calculates the distance of a point from a 
00035 // line section.
00036 
00037 // History:
00038 // - Created. J. Apostolakis.
00039 // --------------------------------------------------------------------
00040 
00041 #ifndef G4LineSection_hh
00042 #define G4LineSection_hh
00043 
00044 #include "G4Types.hh" 
00045 #include "G4ThreeVector.hh"
00046 
00047 class G4LineSection
00048 {
00049   public:  // with description
00050 
00051      G4LineSection( const G4ThreeVector& PntA, const G4ThreeVector& PntB );
00052 
00053      G4double Dist( G4ThreeVector OtherPnt ) const;
00054 
00055      G4double GetABdistanceSq() const { return fABdistanceSq ; }
00056 
00057      static G4double Distline( const G4ThreeVector& OtherPnt, 
00058                                const G4ThreeVector& LinePntA, 
00059                                const G4ThreeVector& LinePntB );
00060   private:
00061 
00062      G4ThreeVector   EndpointA;
00063      G4ThreeVector   VecAtoB;
00064 
00065      G4double fABdistanceSq ;
00066 };
00067 
00068 
00069 #endif

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