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G4LineSection.hh
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25 //
26 // G4LineSection
27 //
28 // Class description:
29 //
30 // A utility class that calculates the distance of a point from a
31 // line section.
32 
33 // Created: J.Apostolakis, 1999
34 // --------------------------------------------------------------------
35 
36 #ifndef G4LineSection_hh
37 #define G4LineSection_hh
38 
39 #include "G4Types.hh"
40 #include "G4ThreeVector.hh"
41 
43 {
44  public: // with description
45 
46  G4LineSection( const G4ThreeVector& PntA,
47  const G4ThreeVector& PntB );
48 
49  G4double Dist( G4ThreeVector OtherPnt ) const;
50 
51  inline G4double GetABdistanceSq() const;
52 
53  inline static G4double Distline( const G4ThreeVector& OtherPnt,
54  const G4ThreeVector& LinePntA,
55  const G4ThreeVector& LinePntB );
56  private:
57 
61 };
62 
63 // Inline methods implementations
64 
65 inline
67 {
68  return fABdistanceSq;
69 }
70 
71 inline
73  const G4ThreeVector& LinePntA,
74  const G4ThreeVector& LinePntB )
75 {
76  G4LineSection LineAB( LinePntA, LinePntB ); // Line from A to B
77  return LineAB.Dist( OtherPnt );
78 }
79 
80 #endif