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 | // $Id: TrackingAction.cc,v 1.18 2008/08/28 15:28:04 maire Exp $ |
---|
28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
---|
29 | // |
---|
30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
32 | |
---|
33 | #include "TrackingAction.hh" |
---|
34 | |
---|
35 | #include "DetectorConstruction.hh" |
---|
36 | #include "RunAction.hh" |
---|
37 | #include "EventAction.hh" |
---|
38 | #include "HistoManager.hh" |
---|
39 | |
---|
40 | #include "G4Track.hh" |
---|
41 | |
---|
42 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
43 | |
---|
44 | TrackingAction::TrackingAction(DetectorConstruction* DET,RunAction* RA, |
---|
45 | EventAction* EA, HistoManager* HM) |
---|
46 | :detector(DET), runaction(RA), eventaction(EA), histoManager(HM) |
---|
47 | { } |
---|
48 | |
---|
49 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
50 | |
---|
51 | void TrackingAction::PreUserTrackingAction(const G4Track* aTrack ) |
---|
52 | { |
---|
53 | // few initialisations |
---|
54 | // |
---|
55 | if (aTrack->GetTrackID() == 1) { |
---|
56 | xstartAbs = detector->GetxstartAbs(); |
---|
57 | xendAbs = detector->GetxendAbs(); |
---|
58 | primaryCharge = aTrack->GetDefinition()->GetPDGCharge(); |
---|
59 | } |
---|
60 | } |
---|
61 | |
---|
62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
63 | |
---|
64 | void TrackingAction::PostUserTrackingAction(const G4Track* aTrack) |
---|
65 | { |
---|
66 | G4ThreeVector position = aTrack->GetPosition(); |
---|
67 | G4ThreeVector vertex = aTrack->GetVertexPosition(); |
---|
68 | G4double charge = aTrack->GetDefinition()->GetPDGCharge(); |
---|
69 | |
---|
70 | G4bool transmit = ((position.x() >= xendAbs) && (vertex.x() < xendAbs)); |
---|
71 | G4bool reflect = (position.x() <= xstartAbs); |
---|
72 | G4bool notabsor = (transmit || reflect); |
---|
73 | |
---|
74 | //transmitted + reflected particles counter |
---|
75 | // |
---|
76 | G4int flag = 0; |
---|
77 | if (charge == primaryCharge) flag = 1; |
---|
78 | if (aTrack->GetTrackID() == 1) flag = 2; |
---|
79 | if (transmit) eventaction->SetTransmitFlag(flag); |
---|
80 | if (reflect) eventaction->SetReflectFlag(flag); |
---|
81 | |
---|
82 | // |
---|
83 | //histograms |
---|
84 | // |
---|
85 | G4bool charged = (charge != 0.); |
---|
86 | G4bool neutral = !charged; |
---|
87 | |
---|
88 | //energy spectrum at exit |
---|
89 | // |
---|
90 | G4int id = 0; |
---|
91 | if (transmit && charged) id = 10; |
---|
92 | else if (transmit && neutral) id = 20; |
---|
93 | else if (reflect && charged) id = 30; |
---|
94 | else if (reflect && neutral) id = 40; |
---|
95 | |
---|
96 | if (id>0) |
---|
97 | histoManager->FillHisto(id, aTrack->GetKineticEnergy()); |
---|
98 | |
---|
99 | //energy leakage |
---|
100 | // |
---|
101 | if (notabsor) { |
---|
102 | G4int trackID = aTrack->GetTrackID(); |
---|
103 | G4int index = 0; if (trackID > 1) index = 1; //primary=0, secondaries=1 |
---|
104 | G4double eleak = aTrack->GetKineticEnergy(); |
---|
105 | if ((aTrack->GetDefinition() == G4Positron::Positron()) && (trackID > 1)) |
---|
106 | eleak += 2*electron_mass_c2; |
---|
107 | runaction->AddEnergyLeak(eleak,index); |
---|
108 | } |
---|
109 | |
---|
110 | //space angle distribution at exit : dN/dOmega |
---|
111 | // |
---|
112 | G4ThreeVector direction = aTrack->GetMomentumDirection(); |
---|
113 | id = 0; |
---|
114 | if (transmit && charged) id = 12; |
---|
115 | else if (transmit && neutral) id = 22; |
---|
116 | else if (reflect && charged) id = 32; |
---|
117 | else if (reflect && neutral) id = 42; |
---|
118 | |
---|
119 | if (id>0) { |
---|
120 | G4double theta = std::acos(direction.x()); |
---|
121 | G4double dteta = histoManager->GetBinWidth(id); |
---|
122 | G4double unit = histoManager->GetHistoUnit(id); |
---|
123 | G4double weight = (unit*unit)/(twopi*std::sin(theta)*dteta); |
---|
124 | histoManager->FillHisto(id,theta,weight); |
---|
125 | } |
---|
126 | |
---|
127 | //energy fluence at exit : dE(MeV)/dOmega |
---|
128 | // |
---|
129 | id = 0; |
---|
130 | if (transmit && charged) id = 11; |
---|
131 | else if (transmit && neutral) id = 21; |
---|
132 | else if (reflect && charged) id = 31; |
---|
133 | else if (reflect && neutral) id = 41; |
---|
134 | |
---|
135 | if (id>0) { |
---|
136 | G4double theta = std::acos(direction.x()); |
---|
137 | G4double dteta = histoManager->GetBinWidth(id); |
---|
138 | G4double unit = histoManager->GetHistoUnit(id); |
---|
139 | G4double weight = (unit*unit)/(twopi*std::sin(theta)*dteta); |
---|
140 | weight *= (aTrack->GetKineticEnergy()/MeV); |
---|
141 | histoManager->FillHisto(id,theta,weight); |
---|
142 | } |
---|
143 | |
---|
144 | //projected angles distribution at exit |
---|
145 | // |
---|
146 | id = 0; |
---|
147 | if (transmit && charged) id = 13; |
---|
148 | else if (transmit && neutral) id = 23; |
---|
149 | else if (reflect && charged) id = 33; |
---|
150 | else if (reflect && neutral) id = 43; |
---|
151 | |
---|
152 | if(id>0) { |
---|
153 | G4double tet = std::atan(direction.y()/std::fabs(direction.x())); |
---|
154 | histoManager->FillHisto(id,tet); |
---|
155 | if (transmit && (flag == 2)) runaction->AddMscProjTheta(tet); |
---|
156 | |
---|
157 | tet = std::atan(direction.z()/std::fabs(direction.x())); |
---|
158 | histoManager->FillHisto(id,tet); |
---|
159 | if (transmit && (flag == 2)) runaction->AddMscProjTheta(tet); |
---|
160 | } |
---|
161 | |
---|
162 | //projected position and radius at exit |
---|
163 | // |
---|
164 | id = 0; |
---|
165 | if (transmit && charged) id = 14; |
---|
166 | |
---|
167 | if (id>0) { |
---|
168 | G4double y = position.y(), z = position.z(); |
---|
169 | G4double r = std::sqrt(y*y + z*z); |
---|
170 | histoManager->FillHisto(id, y); |
---|
171 | histoManager->FillHisto(id, z); |
---|
172 | histoManager->FillHisto(id+1, r); |
---|
173 | } |
---|
174 | |
---|
175 | //x-vertex of charged secondaries |
---|
176 | // |
---|
177 | if ((aTrack->GetParentID() == 1) && charged) { |
---|
178 | G4double xVertex = (aTrack->GetVertexPosition()).x(); |
---|
179 | histoManager->FillHisto(4, xVertex); |
---|
180 | if (notabsor) histoManager->FillHisto(5, xVertex); |
---|
181 | } |
---|
182 | } |
---|
183 | |
---|
184 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
---|
185 | |
---|