| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // G4FieldTrackUpdator class implementation <<
27 // 26 //
28 // Author: M.Asai, 28 April 2006 << 27 // $Id: G4FieldTrackUpdator.cc 88999 2015-03-17 11:28:05Z gcosmo $
29 // ------------------------------------------- << 28 //
>> 29 // M. Asai - first implementation Apr/28/2006
>> 30 //
>> 31 //---------------------------------------------------------------
>> 32 //
>> 33 // G4FieldTrackUpdator.cc
>> 34 //
>> 35 //---------------------------------------------------------------
30 36
31 #include "globals.hh" 37 #include "globals.hh"
32 #include "G4FieldTrackUpdator.hh" 38 #include "G4FieldTrackUpdator.hh"
33 #include "G4ThreeVector.hh" 39 #include "G4ThreeVector.hh"
34 #include "G4Track.hh" 40 #include "G4Track.hh"
35 #include "G4DynamicParticle.hh" 41 #include "G4DynamicParticle.hh"
36 #include "G4TrackStatus.hh" 42 #include "G4TrackStatus.hh"
37 #include "G4FieldTrack.hh" 43 #include "G4FieldTrack.hh"
38 44
39 //-------------------------------------------- <<
40 G4FieldTrack* G4FieldTrackUpdator::CreateField 45 G4FieldTrack* G4FieldTrackUpdator::CreateFieldTrack(const G4Track* trk)
41 { 46 {
42 return new G4FieldTrack( << 47 G4FieldTrack* ftrk = new G4FieldTrack(
43 trk->GetPosition(), trk->GetGlobalTime(), << 48 trk->GetPosition(),
44 trk->GetKineticEnergy(), trk->GetDynamicPa << 49 trk->GetGlobalTime(),
>> 50 trk->GetMomentumDirection(),
>> 51 trk->GetKineticEnergy(),
>> 52 trk->GetDynamicParticle()->GetMass(),
45 trk->GetDynamicParticle()->GetCharge(), 53 trk->GetDynamicParticle()->GetCharge(),
46 trk->GetDynamicParticle()->GetPolarization 54 trk->GetDynamicParticle()->GetPolarization(),
47 0.0 // magnetic dipole moment to be imple << 55 0.0 // magnetic dipole moment to be implemented
48 ); << 56 );
>> 57 return ftrk;
49 } 58 }
50 59
51 //-------------------------------------------- << 60 void G4FieldTrackUpdator::Update(G4FieldTrack* ftrk,const G4Track* trk)
52 void G4FieldTrackUpdator::Update(G4FieldTrack* <<
53 { 61 {
54 const G4DynamicParticle* ptDynamicParticle = << 62 const G4DynamicParticle* ptDynamicParticle= trk->GetDynamicParticle();
55 63
56 // The following properties must be updated << 64 // The following properties must be updated ONCE for each new track (at least)
57 ftrk->SetRestMass(ptDynamicParticle->GetMass << 65 ftrk->SetRestMass(ptDynamicParticle->GetMass());
58 // 2) Since ion can lose/gain electrons, thi << 66
59 << 67 ftrk->UpdateState(
60 ftrk->UpdateState(trk->GetPosition(), trk->G << 68 trk->GetPosition(),
61 trk->GetMomentumDirection( << 69 trk->GetGlobalTime(),
62 << 70 trk->GetMomentumDirection(),
63 #ifdef G4CHECK << 71 trk->GetKineticEnergy()
64 if((trk->GetMomentum() - ftrk->GetMomentum() << 72 );
65 1.e-16 * trk->GetMomentum().mag2()) << 73
66 { << 74 #ifdef G4CHECK
67 G4cerr << "ERROR> G4FieldTrackUpdator sees << 75 if( ( trk->GetMomentum() - ftrk->GetMomentum()).mag2() > 1.e-16 * trk->GetMomentum().mag2() ){
68 << G4endl; << 76 G4cerr << "ERROR> G4FieldTrackUpdator sees *Disagreement* in momentum " << G4endl;
69 G4cout << " FTupdator: Tracking Momentum= << 77 G4cout << " FTupdator: Tracking Momentum= " << trk->GetMomentum() << G4endl;
70 << G4endl; << 78 G4cout << " FTupdator: FldTrack Momentum= " << ftrk->GetMomentum() << G4endl;
71 G4cout << " FTupdator: FldTrack Momentum= << 79 G4cout << " FTupdator: FldTrack-Tracking= " << ftrk->GetMomentum() - trk->GetMomentum() << G4endl;
72 << G4endl; <<
73 G4cout << " FTupdator: FldTrack-Tracking= <<
74 << ftrk->GetMomentum() - trk->GetMo <<
75 } 80 }
76 #endif 81 #endif
77 82
78 ftrk->SetProperTimeOfFlight(trk->GetProperTi 83 ftrk->SetProperTimeOfFlight(trk->GetProperTime());
79 84
80 ftrk->SetChargeAndMoments(ptDynamicParticle- << 85 ftrk->SetChargeAndMoments( ptDynamicParticle->GetCharge(),
81 ptDynamicParticle- << 86 ptDynamicParticle->GetMagneticMoment());
82 ftrk->SetPDGSpin(ptDynamicParticle->GetParti << 87 ftrk->SetPDGSpin( ptDynamicParticle->GetParticleDefinition()->GetPDGSpin() );
83 // The charge can change during tracking << 88 // The charge can change during tracking
84 ftrk->SetSpin(ptDynamicParticle->GetPolariza << 89 ftrk->SetSpin( ptDynamicParticle->GetPolarization() );
85 } 90 }
>> 91
>> 92
86 93