ECCE @ EIC Software
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4ErrorSurfaceTrajParam.hh
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4ErrorSurfaceTrajParam.hh
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 //
28 //
29 // Class Description:
30 //
31 // Holds the 5 independent variables of the trajectory for a
32 // G4ErrorSurfaceTrajState object. It is not used for anything but for
33 // printing, but anyhow it is updated everytime the position and momentum
34 // are updated
35 
36 // History:
37 // - Created: P. Arce
38 // --------------------------------------------------------------------
39 
40 #ifndef G4ErrorSurfaceTrajParam_hh
41 #define G4ErrorSurfaceTrajParam_hh
42 
43 #include "G4Point3D.hh"
44 #include "G4Vector3D.hh"
45 #include "G4Plane3D.hh"
46 #include "G4ThreeVector.hh"
47 
48 #include "globals.hh"
49 #include "G4Track.hh"
50 
51 class G4ErrorSurfaceTrajParam
52 {
53  public: // with description
54 
55  G4ErrorSurfaceTrajParam()
56  : fInvP(0.), fPV(0.), fPW(0.), fV(0.), fW(0.) {}
57  G4ErrorSurfaceTrajParam( const G4Point3D& pos, const G4Vector3D& mom,
58  const G4Vector3D& vecV, const G4Vector3D& vecW );
59  G4ErrorSurfaceTrajParam( const G4Point3D& pos, const G4Vector3D& mom,
60  const G4Plane3D& plane );
61  virtual ~G4ErrorSurfaceTrajParam(){}
62 
63  friend
64  std::ostream& operator<<(std::ostream&, const G4ErrorSurfaceTrajParam& ts);
65 
66  // Get and Set methods
67 
68  void SetParameters( const G4Point3D& pos, const G4Vector3D& mom,
69  const G4Vector3D& vecV, const G4Vector3D& vecW );
70  void SetParameters( const G4Point3D& pos, const G4Vector3D& mom,
71  const G4Plane3D& plane );
72 
73  G4Vector3D GetDirection() const { return fDir; }
74  G4Vector3D GetPlaneNormal() const { return fVectorV.cross(fVectorW); }
75  G4Vector3D GetVectorV() const { return fVectorV; }
76  G4Vector3D GetVectorW() const { return fVectorW; }
77  G4double GetPV() const{ return fPV; }
78  G4double GetPW() const{ return fPW; }
79  G4double GetV() const{ return fV; }
80  G4double GetW() const{ return fW; }
81  G4double GetInvP() const{ return fInvP; }
82 
83  private:
84 
85  G4ThreeVector fDir;
86  G4Vector3D fVectorV; //one of the vectors defining the plane
87  G4Vector3D fVectorW; //one of the vectors defining the plane
88  G4double fInvP; // inverse of momentum
89  G4double fPV; // projection of momentum in one direction
90  G4double fPW; // projection of momentum in one direction
91  G4double fV; // projection of position in one direction
92  G4double fW; // projection of position in one direction
93 
94 };
95 
96 #endif