[807] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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[1230] | 27 | // $Id: TrackingAction.cc,v 1.18 2008/08/28 15:28:04 maire Exp $ |
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| 28 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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[807] | 29 | // |
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| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 31 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 32 | |
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| 33 | #include "TrackingAction.hh" |
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| 34 | |
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| 35 | #include "DetectorConstruction.hh" |
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| 36 | #include "RunAction.hh" |
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| 37 | #include "EventAction.hh" |
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| 38 | #include "HistoManager.hh" |
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| 39 | |
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| 40 | #include "G4Track.hh" |
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| 41 | |
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| 42 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 43 | |
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| 44 | TrackingAction::TrackingAction(DetectorConstruction* DET,RunAction* RA, |
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| 45 | EventAction* EA, HistoManager* HM) |
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| 46 | :detector(DET), runaction(RA), eventaction(EA), histoManager(HM) |
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| 47 | { } |
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| 48 | |
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| 49 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 50 | |
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| 51 | void TrackingAction::PreUserTrackingAction(const G4Track* aTrack ) |
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| 52 | { |
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| 53 | // few initialisations |
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| 54 | // |
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| 55 | if (aTrack->GetTrackID() == 1) { |
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| 56 | xstartAbs = detector->GetxstartAbs(); |
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| 57 | xendAbs = detector->GetxendAbs(); |
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| 58 | primaryCharge = aTrack->GetDefinition()->GetPDGCharge(); |
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| 59 | } |
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| 60 | } |
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| 61 | |
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| 62 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 63 | |
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| 64 | void TrackingAction::PostUserTrackingAction(const G4Track* aTrack) |
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| 65 | { |
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| 66 | G4ThreeVector position = aTrack->GetPosition(); |
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[1230] | 67 | G4ThreeVector vertex = aTrack->GetVertexPosition(); |
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| 68 | G4double charge = aTrack->GetDefinition()->GetPDGCharge(); |
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[807] | 69 | |
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[1230] | 70 | G4bool transmit = ((position.x() >= xendAbs) && (vertex.x() < xendAbs)); |
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| 71 | G4bool reflect = (position.x() <= xstartAbs); |
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[807] | 72 | G4bool notabsor = (transmit || reflect); |
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| 73 | |
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| 74 | //transmitted + reflected particles counter |
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| 75 | // |
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| 76 | G4int flag = 0; |
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| 77 | if (charge == primaryCharge) flag = 1; |
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| 78 | if (aTrack->GetTrackID() == 1) flag = 2; |
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| 79 | if (transmit) eventaction->SetTransmitFlag(flag); |
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| 80 | if (reflect) eventaction->SetReflectFlag(flag); |
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| 81 | |
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| 82 | // |
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| 83 | //histograms |
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| 84 | // |
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| 85 | G4bool charged = (charge != 0.); |
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| 86 | G4bool neutral = !charged; |
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| 87 | |
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| 88 | //energy spectrum at exit |
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| 89 | // |
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[1230] | 90 | G4int id = 0; |
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[807] | 91 | if (transmit && charged) id = 10; |
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| 92 | else if (transmit && neutral) id = 20; |
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| 93 | else if (reflect && charged) id = 30; |
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| 94 | else if (reflect && neutral) id = 40; |
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[1230] | 95 | |
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| 96 | if (id>0) |
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[807] | 97 | histoManager->FillHisto(id, aTrack->GetKineticEnergy()); |
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| 98 | |
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| 99 | //energy leakage |
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| 100 | // |
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| 101 | if (notabsor) { |
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| 102 | G4int trackID = aTrack->GetTrackID(); |
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| 103 | G4int index = 0; if (trackID > 1) index = 1; //primary=0, secondaries=1 |
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| 104 | G4double eleak = aTrack->GetKineticEnergy(); |
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| 105 | if ((aTrack->GetDefinition() == G4Positron::Positron()) && (trackID > 1)) |
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| 106 | eleak += 2*electron_mass_c2; |
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| 107 | runaction->AddEnergyLeak(eleak,index); |
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| 108 | } |
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| 109 | |
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| 110 | //space angle distribution at exit : dN/dOmega |
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| 111 | // |
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[1230] | 112 | G4ThreeVector direction = aTrack->GetMomentumDirection(); |
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| 113 | id = 0; |
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[807] | 114 | if (transmit && charged) id = 12; |
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| 115 | else if (transmit && neutral) id = 22; |
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| 116 | else if (reflect && charged) id = 32; |
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| 117 | else if (reflect && neutral) id = 42; |
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| 118 | |
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[1230] | 119 | if (id>0) { |
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[807] | 120 | G4double theta = std::acos(direction.x()); |
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| 121 | G4double dteta = histoManager->GetBinWidth(id); |
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| 122 | G4double unit = histoManager->GetHistoUnit(id); |
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| 123 | G4double weight = (unit*unit)/(twopi*std::sin(theta)*dteta); |
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| 124 | histoManager->FillHisto(id,theta,weight); |
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| 125 | } |
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| 126 | |
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| 127 | //energy fluence at exit : dE(MeV)/dOmega |
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| 128 | // |
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[1230] | 129 | id = 0; |
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[807] | 130 | if (transmit && charged) id = 11; |
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| 131 | else if (transmit && neutral) id = 21; |
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| 132 | else if (reflect && charged) id = 31; |
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| 133 | else if (reflect && neutral) id = 41; |
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| 134 | |
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[1230] | 135 | if (id>0) { |
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[807] | 136 | G4double theta = std::acos(direction.x()); |
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| 137 | G4double dteta = histoManager->GetBinWidth(id); |
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| 138 | G4double unit = histoManager->GetHistoUnit(id); |
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| 139 | G4double weight = (unit*unit)/(twopi*std::sin(theta)*dteta); |
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| 140 | weight *= (aTrack->GetKineticEnergy()/MeV); |
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| 141 | histoManager->FillHisto(id,theta,weight); |
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| 142 | } |
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| 143 | |
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| 144 | //projected angles distribution at exit |
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| 145 | // |
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[1230] | 146 | id = 0; |
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[807] | 147 | if (transmit && charged) id = 13; |
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| 148 | else if (transmit && neutral) id = 23; |
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| 149 | else if (reflect && charged) id = 33; |
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| 150 | else if (reflect && neutral) id = 43; |
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| 151 | |
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| 152 | if(id>0) { |
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| 153 | G4double tet = std::atan(direction.y()/std::fabs(direction.x())); |
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| 154 | histoManager->FillHisto(id,tet); |
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| 155 | if (transmit && (flag == 2)) runaction->AddMscProjTheta(tet); |
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| 156 | |
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| 157 | tet = std::atan(direction.z()/std::fabs(direction.x())); |
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| 158 | histoManager->FillHisto(id,tet); |
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| 159 | if (transmit && (flag == 2)) runaction->AddMscProjTheta(tet); |
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| 160 | } |
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| 161 | |
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| 162 | //projected position and radius at exit |
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| 163 | // |
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[1230] | 164 | id = 0; |
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[807] | 165 | if (transmit && charged) id = 14; |
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| 166 | |
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| 167 | if (id>0) { |
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| 168 | G4double y = position.y(), z = position.z(); |
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| 169 | G4double r = std::sqrt(y*y + z*z); |
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| 170 | histoManager->FillHisto(id, y); |
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| 171 | histoManager->FillHisto(id, z); |
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| 172 | histoManager->FillHisto(id+1, r); |
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| 173 | } |
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| 174 | |
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| 175 | //x-vertex of charged secondaries |
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| 176 | // |
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| 177 | if ((aTrack->GetParentID() == 1) && charged) { |
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| 178 | G4double xVertex = (aTrack->GetVertexPosition()).x(); |
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| 179 | histoManager->FillHisto(4, xVertex); |
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| 180 | if (notabsor) histoManager->FillHisto(5, xVertex); |
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| 181 | } |
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| 182 | } |
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| 183 | |
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| 184 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 185 | |
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