Geant4  10.01
G4IntersectingCone.hh
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27 // $Id: G4IntersectingCone.hh 66356 2012-12-18 09:02:32Z gcosmo $
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30 // --------------------------------------------------------------------
31 // GEANT 4 class header file
32 //
33 //
34 // G4IntersectingCone
35 //
36 // Class description:
37 //
38 // Utility class which calculates the intersection
39 // of an arbitrary line with a fixed cone
40 
41 // Author:
42 // David C. Williams (davidw@scipp.ucsc.edu)
43 // --------------------------------------------------------------------
44 #ifndef G4IntersectingCone_hh
45 #define G4IntersectingCone_hh
46 
47 #include "G4Types.hh"
48 #include "geomdefs.hh"
49 #include "G4ThreeVector.hh"
50 
52 {
53  public:
54 
55  G4IntersectingCone( const G4double r[2], const G4double z[2] );
56  virtual ~G4IntersectingCone();
57 
58  G4int LineHitsCone( const G4ThreeVector &p, const G4ThreeVector &v,
59  G4double *s1, G4double *s2 );
60 
61  G4bool HitOn( const G4double r, const G4double z );
62 
63  inline G4double RLo() const { return rLo; }
64  inline G4double RHi() const { return rHi; }
65  inline G4double ZLo() const { return zLo; }
66  inline G4double ZHi() const { return zHi; }
67 
68  public: // without description
69 
70  G4IntersectingCone(__void__&);
71  // Fake default constructor for usage restricted to direct object
72  // persistency for clients requiring preallocation of memory for
73  // persistifiable objects.
74 
75 
76  protected:
77 
78  G4double zLo, zHi, // Z bounds of side
79  rLo, rHi; // R bounds of side
80 
81  G4bool type1; // True if cone is type 1
82  // (std::fabs(z1-z2)>std::fabs(r1-r2))
83  G4double A, B; // Cone radius parameter:
84  // type 1: r = A + B*z
85  // type 2: z = A + B*r
86 
87  G4int LineHitsCone1( const G4ThreeVector &p, const G4ThreeVector &v,
88  G4double *s1, G4double *s2 );
89  G4int LineHitsCone2( const G4ThreeVector &p, const G4ThreeVector &v,
90  G4double *s1, G4double *s2 );
91 };
92 
93 #endif
G4double RHi() const
G4double RLo() const
CLHEP::Hep3Vector G4ThreeVector
G4double z
Definition: TRTMaterials.hh:39
G4int LineHitsCone1(const G4ThreeVector &p, const G4ThreeVector &v, G4double *s1, G4double *s2)
G4bool HitOn(const G4double r, const G4double z)
G4int LineHitsCone(const G4ThreeVector &p, const G4ThreeVector &v, G4double *s1, G4double *s2)
int G4int
Definition: G4Types.hh:78
G4double ZLo() const
G4double ZHi() const
bool G4bool
Definition: G4Types.hh:79
G4int LineHitsCone2(const G4ThreeVector &p, const G4ThreeVector &v, G4double *s1, G4double *s2)
G4IntersectingCone(const G4double r[2], const G4double z[2])
double G4double
Definition: G4Types.hh:76