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G4ErrorSurfaceTrajState.hh
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27 // $Id: G4ErrorSurfaceTrajState.hh 69014 2013-04-15 09:42:51Z gcosmo $
28 //
29 //
30 // Class description:
31 //
32 // Represents a trajectory state on a surface.
33 // It can be represented by the 5 variables:
34 // 1/p, v', w', v, w
35 // where v'=dv/du and w'=dw/du in an orthonormal coordinate system
36 // with axis u, v and w.
37 
38 // History:
39 //
40 // - Created: P. Arce
41 // --------------------------------------------------------------------
42 
43 #ifndef G4ErrorSurfaceTrajState_hh
44 #define G4ErrorSurfaceTrajState_hh
45 
46 #include "globals.hh"
47 
48 #include "G4ErrorTrajState.hh"
50 #include "G4ErrorFreeTrajState.hh"
51 
52 #include "G4Point3D.hh"
53 #include "G4Vector3D.hh"
54 #include "G4Plane3D.hh"
55 
57 {
58 
59  public: // with description
60 
61  G4ErrorSurfaceTrajState( const G4String& partType, const G4Point3D& pos,
62  const G4Vector3D& mom, const G4Plane3D& plane,
63  const G4ErrorTrajErr& errmat = G4ErrorTrajErr(5,0) );
64  // Constructor by providing particle, position, momentum and
65  // G4Plane3D surface
66 
67  G4ErrorSurfaceTrajState( const G4String& partType, const G4Point3D& pos,
68  const G4Vector3D& mom, const G4Vector3D& vecV,
69  const G4Vector3D& vecW,
70  const G4ErrorTrajErr& errmat = G4ErrorTrajErr(5,0) );
71  // Constructor by providing particle, position, momentum and
72  // two vectors on surface
73 
75  // Constructor by providing G4ErrorFreeTrajState and G4Plane3D surface
76 
78  const G4Vector3D& vecW , G4ErrorMatrix &transfM);
79  // Constructor by providing G4ErrorFreeTrajState and two vectors on surface
80 
83  const G4Vector3D& vecW );
84  // Build the error matrix from a free state plus the vectors of the surface
85 
86  virtual void Dump( std::ostream& out = G4cout ) const;
87 
88  friend
89  std::ostream& operator<<(std::ostream&, const G4ErrorSurfaceTrajState& ts);
90 
91  // Set and Get methods
92 
94  { return fTrajParam; }
95  void SetParameters( const G4Point3D& pos, const G4Vector3D& mom,
96  const G4Vector3D& vecV, const G4Vector3D& vecW )
97  {
98  fPosition = pos;
99  fMomentum = mom;
100  fTrajParam.SetParameters( pos, mom, vecV, vecW );
101  }
102 
103  void SetParameters( const G4Point3D& pos, const G4Vector3D& mom,
104  const G4Plane3D& plane )
105  {
106  fPosition = pos;
107  fMomentum = mom;
108  fTrajParam.SetParameters( pos, mom, plane );
109  }
110 
112  { return fTrajParam.GetVectorV(); }
113 
115  { return fTrajParam.GetVectorW(); }
116 
117  virtual void SetPosition( const G4Point3D pos )
118  { SetParameters( pos, fMomentum, GetVectorV(), GetVectorW() ); }
119 
120  virtual void SetMomentum( const G4Vector3D& mom )
121  { SetParameters( fPosition, mom, GetVectorV(), GetVectorW() ); }
122 
123  private:
124 
125  void Init();
126  // Define Trajectory State type and build charge
127 
128  private:
129 
130  G4ErrorSurfaceTrajParam fTrajParam;
131 
132 };
133 
134 #endif
G4ErrorSymMatrix G4ErrorTrajErr
G4ErrorMatrix BuildErrorMatrix(G4ErrorFreeTrajState &tpSC, const G4Vector3D &vecV, const G4Vector3D &vecW)
virtual void Dump(std::ostream &out=G4cout) const
void SetParameters(const G4Point3D &pos, const G4Vector3D &mom, const G4Vector3D &vecV, const G4Vector3D &vecW)
void SetParameters(const G4Point3D &pos, const G4Vector3D &mom, const G4Vector3D &vecV, const G4Vector3D &vecW)
void SetParameters(const G4Point3D &pos, const G4Vector3D &mom, const G4Plane3D &plane)
G4GLOB_DLL std::ostream G4cout
G4ErrorSurfaceTrajState(const G4String &partType, const G4Point3D &pos, const G4Vector3D &mom, const G4Plane3D &plane, const G4ErrorTrajErr &errmat=G4ErrorTrajErr(5, 0))
G4ErrorSurfaceTrajParam GetParameters() const
virtual void SetMomentum(const G4Vector3D &mom)
virtual void SetPosition(const G4Point3D pos)
friend std::ostream & operator<<(std::ostream &, const G4ErrorSurfaceTrajState &ts)
static const G4double pos