Geant4  10.03.p02
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G4ErrorSurfaceTrajParam.hh
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27 // $Id: G4ErrorSurfaceTrajParam.hh 69014 2013-04-15 09:42:51Z gcosmo $
28 //
29 //
30 // Class Description:
31 //
32 // Holds the 5 independent variables of the trajectory for a
33 // G4ErrorSurfaceTrajState object. It is not used for anything but for
34 // printing, but anyhow it is updated everytime the position and momentum
35 // are updated
36 
37 // History:
38 // - Created: P. Arce
39 // --------------------------------------------------------------------
40 
41 #ifndef G4ErrorSurfaceTrajParam_hh
42 #define G4ErrorSurfaceTrajParam_hh
43 
44 #include "G4Point3D.hh"
45 #include "G4Vector3D.hh"
46 #include "G4Plane3D.hh"
47 #include "G4ThreeVector.hh"
48 
49 #include "globals.hh"
50 #include "G4Track.hh"
51 
53 {
54  public: // with description
55 
57  : fInvP(0.), fPV(0.), fPW(0.), fV(0.), fW(0.) {}
58  G4ErrorSurfaceTrajParam( const G4Point3D& pos, const G4Vector3D& mom,
59  const G4Vector3D& vecV, const G4Vector3D& vecW );
60  G4ErrorSurfaceTrajParam( const G4Point3D& pos, const G4Vector3D& mom,
61  const G4Plane3D& plane );
63 
64  friend
65  std::ostream& operator<<(std::ostream&, const G4ErrorSurfaceTrajParam& ts);
66 
67  // Get and Set methods
68 
69  void SetParameters( const G4Point3D& pos, const G4Vector3D& mom,
70  const G4Vector3D& vecV, const G4Vector3D& vecW );
71  void SetParameters( const G4Point3D& pos, const G4Vector3D& mom,
72  const G4Plane3D& plane );
73 
74  G4Vector3D GetDirection() const { return fDir; }
75  G4Vector3D GetPlaneNormal() const { return fVectorV.cross(fVectorW); }
76  G4Vector3D GetVectorV() const { return fVectorV; }
77  G4Vector3D GetVectorW() const { return fVectorW; }
78  G4double GetPV() const{ return fPV; }
79  G4double GetPW() const{ return fPW; }
80  G4double GetV() const{ return fV; }
81  G4double GetW() const{ return fW; }
82  G4double GetInvP() const{ return fInvP; }
83 
84  private:
85 
86  G4ThreeVector fDir;
87  G4Vector3D fVectorV; //one of the vectors defining the plane
88  G4Vector3D fVectorW; //one of the vectors defining the plane
89  G4double fInvP; // inverse of momentum
90  G4double fPV; // projection of momentum in one direction
91  G4double fPW; // projection of momentum in one direction
92  G4double fV; // projection of position in one direction
93  G4double fW; // projection of position in one direction
94 
95 };
96 
97 #endif
G4Vector3D GetDirection() const
void SetParameters(const G4Point3D &pos, const G4Vector3D &mom, const G4Vector3D &vecV, const G4Vector3D &vecW)
friend std::ostream & operator<<(std::ostream &, const G4ErrorSurfaceTrajParam &ts)
G4Vector3D GetPlaneNormal() const
double G4double
Definition: G4Types.hh:76
BasicVector3D< T > cross(const BasicVector3D< T > &v) const
static const G4double pos