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26 /// \file eventgenerator/particleGun/src/Track <<
27 /// \brief Implementation of the TrackingActio <<
28 // 26 //
29 // << 27 // $Id: TrackingAction.cc,v 1.3 2010-07-16 07:37:48 maire Exp $
30 // << 28 // GEANT4 tag $Name: not supported by cvs2svn $
31 //....oooOO0OOooo........oooOO0OOooo........oo << 29 //
32 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
33 32
34 #include "TrackingAction.hh" 33 #include "TrackingAction.hh"
35 <<
36 #include "HistoManager.hh" <<
37 #include "PrimaryGeneratorAction.hh" 34 #include "PrimaryGeneratorAction.hh"
38 #include "PrimaryGeneratorAction2.hh" 35 #include "PrimaryGeneratorAction2.hh"
39 #include "PrimaryGeneratorAction3.hh" 36 #include "PrimaryGeneratorAction3.hh"
40 #include "PrimaryGeneratorAction4.hh" 37 #include "PrimaryGeneratorAction4.hh"
41 #include "RunAction.hh" 38 #include "RunAction.hh"
>> 39 #include "HistoManager.hh"
42 40
43 #include "G4PhysicalConstants.hh" <<
44 #include "G4Track.hh" 41 #include "G4Track.hh"
45 42
46 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 44
48 TrackingAction::TrackingAction(PrimaryGenerato << 45 TrackingAction::TrackingAction(PrimaryGeneratorAction* prim,HistoManager* histo)
49 { << 46 :primary(prim),histoManager(histo)
50 // parameters for generator action #3 << 47 {
51 fNewUz = fPrimary->GetAction3()->GetNewUz(); << 48 // parameters for generator action #3
>> 49 newUz = primary->GetAction3()->GetNewUz();
>> 50
>> 51 // parameters for generator action #4
>> 52 deltaR3 =
>> 53 (primary->GetAction4()->GetRmax3() - primary->GetAction4()->GetRmin3())/3.;
>> 54 cosAlphaMin = primary->GetAction4()->GetCosAlphaMin();
>> 55 cosAlphaMax = primary->GetAction4()->GetCosAlphaMax();
52 } 56 }
53 57
54 //....oooOO0OOooo........oooOO0OOooo........oo 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 59
56 void TrackingAction::PreUserTrackingAction(con 60 void TrackingAction::PreUserTrackingAction(const G4Track* track)
57 { 61 {
58 G4int selectedGeneratorAction = fPrimary->Ge << 62 G4int selectedGeneratorAction = primary->GetSelectedAction();
59 G4AnalysisManager* analysis = G4AnalysisMana << 63 G4int id = 0;
60 G4int id = 0; << 64
61 << 65 if(selectedGeneratorAction==2)
62 if (selectedGeneratorAction == 2) { << 66 {
63 // energy spectrum << 67 //energy spectrum
64 // << 68 //
65 id = 1; << 69 id = 1;
66 analysis->FillH1(id, track->GetKineticEner << 70 histoManager->FillHisto(id, track->GetKineticEnergy());
67 } << 71 }
68 << 72 else if(selectedGeneratorAction==3)
69 else if (selectedGeneratorAction == 0) { << 73 {
70 // particle direction: cos(alpha) << 74 //momentum direction : angular distr dN/dOmega = f(alpha)
71 // << 75 //
72 id = 5; << 76 id = 2;
73 G4ThreeVector um = track->GetMomentumDirec << 77 G4ThreeVector um = track->GetMomentumDirection();
74 G4double cosalpha = um.z(); << 78 G4double alpha = std::acos(newUz*um);
75 analysis->FillH1(id, cosalpha); << 79 G4double dalfa = histoManager->GetBinWidth(id);
76 << 80 G4double dOmega = twopi*std::sin(alpha)*dalfa;
77 // particle direction: psi << 81 if (dOmega > 0.) histoManager->FillHisto(id, alpha, 1./dOmega);
78 // << 82
79 id = 6; << 83 //momentum direction : angular distr dN/dOmega = f(psi)
80 G4double psi = std::atan2(um.y(), um.x()); << 84 //
81 if (psi < 0.) psi += twopi; << 85 id = 3;
82 analysis->FillH1(id, psi); << 86 // complete local frame
83 } << 87 G4ThreeVector u1(1.,0.,0.); u1.rotateUz(newUz);
84 else if (selectedGeneratorAction == 3) { << 88 G4ThreeVector u2(0.,1.,0.); u2.rotateUz(newUz);
85 // particle direction in local frame: cos( << 89 //
86 // << 90 G4double psi = std::atan2(u2*um, u1*um);
87 id = 5; << 91 if (psi < 0.) psi += twopi;
88 G4ThreeVector um = track->GetMomentumDirec << 92 G4double dpsi = histoManager->GetBinWidth(id);
89 G4double cosalpha = fNewUz * um; << 93 G4double alphaMax = primary->GetAction3()->GetAlphaMax();
90 analysis->FillH1(id, cosalpha); << 94 dOmega = (1. - std::cos(alphaMax))*dpsi;
91 << 95 if (dOmega > 0.) histoManager->FillHisto(id, psi, 1./dOmega);
92 // particle direction in local frame: psi << 96 }
93 // << 97 else if(selectedGeneratorAction==4)
94 id = 6; << 98 {
95 // complete local frame << 99 G4ThreeVector vertex = track->GetVertexPosition();
96 G4ThreeVector u1(1., 0., 0.); << 100 G4double r = vertex.mag();
97 u1.rotateUz(fNewUz); << 101 if (r <= 0.0) return;
98 G4ThreeVector u2(0., 1., 0.); << 102 //local frame : new uz = ur
99 u2.rotateUz(fNewUz); << 103 G4ThreeVector ur = vertex/r;
100 // << 104
101 G4double psi = std::atan2(u2 * um, u1 * um << 105 //vertex position: radial distribution : dN/dv = f(r)
102 if (psi < 0.) psi += twopi; << 106 //
103 analysis->FillH1(id, psi); << 107 id = 4;
104 } << 108 G4double dr = histoManager->GetBinWidth(id);
105 << 109 G4double dv = 2*twopi*r*r*dr;
106 else if (selectedGeneratorAction == 4) { << 110 if (dv > 0.) histoManager->FillHisto(id, r, 1./dv);
107 G4ThreeVector vertex = track->GetVertexPos << 111
108 G4double r = vertex.mag(); << 112 //vertex position: angular distribution : dN/dv = f(theta)
109 if (r <= 0.0) return; << 113 //
110 // local frame : new uz = ur << 114 id = 5;
111 G4ThreeVector ur = vertex / r; << 115 G4double theta = std::acos(ur.z());
112 << 116 G4double dteta = histoManager->GetBinWidth(id);
113 // vertex position. radial distribution dN << 117 dv = deltaR3*twopi*std::sin(theta)*dteta;
114 // << 118 if (dv > 0.) histoManager->FillHisto(id, theta, 1./dv);
115 id = 2; << 119
116 G4double dr = analysis->GetH1Width(id); << 120 //vertex position: angular distribution : dN/dv = f(phi)
117 G4double dv = 2 * twopi * r * r * dr; << 121 //
118 if (dv > 0.) analysis->FillH1(id, r, 1. / << 122 id = 6;
119 << 123 G4double phi = std::atan2(ur.y(), ur.x());
120 // vertex position: cos(theta) << 124 if (phi < 0.) phi += twopi;
121 // << 125 G4double dphi = histoManager->GetBinWidth(id);
122 id = 3; << 126 dv = 2*deltaR3*dphi;
123 G4double costheta = ur.z(); << 127 if (dv > 0.) histoManager->FillHisto(id, phi, 1./dv);
124 analysis->FillH1(id, costheta); << 128
125 << 129 //momentum direction : angular distr dN/dOmega = f(alpha)
126 // vertex position: phi << 130 //
127 // << 131 id = 7;
128 id = 4; << 132 G4ThreeVector um = track->GetMomentumDirection();
129 G4double phi = std::atan2(ur.y(), ur.x()); << 133 G4double alpha = std::acos(ur*um);
130 if (phi < 0.) phi += twopi; << 134 G4double dalfa = histoManager->GetBinWidth(id);
131 analysis->FillH1(id, phi); << 135 G4double dOmega = twopi*std::sin(alpha)*dalfa;
132 << 136 if (dOmega > 0.) histoManager->FillHisto(id, alpha, 1./dOmega);
133 // particle direction in local frame: cos( << 137
134 // << 138 //momentum direction : angular distr dN/dOmega = f(psi)
135 id = 5; << 139 //
136 G4ThreeVector um = track->GetMomentumDirec << 140 id = 8;
137 G4double cosalpha = ur * um; << 141 // complete local frame
138 analysis->FillH1(id, cosalpha); << 142 G4ThreeVector u1(1.,0.,0.); u1.rotateUz(ur);
139 << 143 G4ThreeVector u2(0.,1.,0.); u2.rotateUz(ur);
140 // particle direction in local frame: psi << 144 //
141 // << 145 G4double psi = std::atan2(u2*um, u1*um);
142 id = 6; << 146 if (psi < 0.) psi += twopi;
143 // complete local frame << 147 G4double dpsi = histoManager->GetBinWidth(id);
144 G4ThreeVector u1(1., 0., 0.); << 148 dOmega = (cosAlphaMin - cosAlphaMax)*dpsi;
145 u1.rotateUz(ur); << 149 if (dOmega > 0.) histoManager->FillHisto(id, psi, 1./dOmega);
146 G4ThreeVector u2(0., 1., 0.); << 150 }
147 u2.rotateUz(ur); <<
148 // <<
149 G4double psi = std::atan2(u2 * um, u1 * um <<
150 if (psi < 0.) psi += twopi; <<
151 analysis->FillH1(id, psi); <<
152 } <<
153 } 151 }
154 152
155 //....oooOO0OOooo........oooOO0OOooo........oo 153 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
156 154
157 void TrackingAction::PostUserTrackingAction(co << 155 void TrackingAction::PostUserTrackingAction(const G4Track*)
>> 156 { }
158 157
159 //....oooOO0OOooo........oooOO0OOooo........oo 158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 159
160 160