[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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[1342] | 26 | // $Id: SteppingAction.cc,v 1.5 2010/10/25 13:29:08 gunter Exp $ |
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| 27 | // GEANT4 tag $Name: examples-V09-03-09 $ |
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[807] | 28 | // |
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| 29 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 30 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 31 | |
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| 32 | #include "SteppingAction.hh" |
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| 33 | #include "DetectorConstruction.hh" |
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| 34 | #include "RunAction.hh" |
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| 35 | #include "EventAction.hh" |
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| 36 | #include "TrackingAction.hh" |
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| 37 | #include "HistoManager.hh" |
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| 38 | |
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| 39 | #include "G4SteppingManager.hh" |
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| 40 | #include "G4Gamma.hh" |
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| 41 | #include "G4UnitsTable.hh" |
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| 42 | |
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| 43 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 44 | |
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| 45 | SteppingAction::SteppingAction(DetectorConstruction* det, RunAction* RuAct, |
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| 46 | EventAction* EvAct,TrackingAction* TrAct, |
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| 47 | HistoManager* histo) |
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| 48 | :detector(det), runAction(RuAct), eventAction(EvAct), trackAction(TrAct), |
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| 49 | histoManager(histo), wall(0), cavity(0) |
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| 50 | { |
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| 51 | first = true; |
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| 52 | trackSegm = 0.; |
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[1342] | 53 | directionIn = G4ThreeVector(0.,0.,0.); |
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[807] | 54 | } |
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| 55 | |
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| 56 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 57 | |
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| 58 | SteppingAction::~SteppingAction() |
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| 59 | { } |
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| 60 | |
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| 61 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 62 | |
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| 63 | void SteppingAction::UserSteppingAction(const G4Step* step) |
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| 64 | { |
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| 65 | //get detector pointers |
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| 66 | if (first) { |
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| 67 | wall = detector->GetWall(); |
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| 68 | cavity = detector->GetCavity(); |
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| 69 | first = false; |
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| 70 | } |
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| 71 | |
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| 72 | //get volume |
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| 73 | // |
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| 74 | G4StepPoint* point1 = step->GetPreStepPoint(); |
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| 75 | G4VPhysicalVolume* volume = point1->GetTouchableHandle()->GetVolume(); |
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| 76 | |
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| 77 | // count processes |
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| 78 | // |
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| 79 | G4StepPoint* point2 = step->GetPostStepPoint(); |
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| 80 | const G4VProcess* process = point2->GetProcessDefinedStep(); |
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| 81 | if (process) runAction->CountProcesses(process->GetProcessName()); |
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| 82 | |
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| 83 | //energy deposit in cavity |
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| 84 | // |
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| 85 | if (volume == cavity) { |
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| 86 | G4double edep = step->GetTotalEnergyDeposit(); |
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| 87 | if (edep > 0.) trackAction->AddEdepCavity(edep); |
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| 88 | } |
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| 89 | |
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| 90 | //keep only charged particles |
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| 91 | // |
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| 92 | if (step->GetTrack()->GetDefinition() == G4Gamma::Gamma()) return; |
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| 93 | |
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| 94 | //step size of charged particles |
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| 95 | // |
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| 96 | G4int id; |
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| 97 | G4double steplen = step->GetStepLength(); |
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| 98 | if (volume == wall) {runAction->StepInWall (steplen); id = 9;} |
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| 99 | else {runAction->StepInCavity(steplen); id = 10;} |
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| 100 | histoManager->FillHisto(id,steplen); |
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| 101 | |
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| 102 | //last step before hitting the cavity |
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| 103 | // |
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| 104 | if ((volume == wall) && (point2->GetStepStatus() == fGeomBoundary)) { |
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| 105 | directionIn = point1->GetMomentumDirection(); |
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| 106 | } |
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| 107 | |
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| 108 | //keep only charged particles within cavity |
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| 109 | // |
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| 110 | if (volume == wall) return; |
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| 111 | |
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| 112 | G4double ekin1 = point1->GetKineticEnergy(); |
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| 113 | G4double ekin2 = point2->GetKineticEnergy(); |
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| 114 | |
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| 115 | //first step in cavity |
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| 116 | // |
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| 117 | if (point1->GetStepStatus() == fGeomBoundary) { |
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| 118 | trackSegm = 0.; |
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| 119 | G4ThreeVector vertex = step->GetTrack()->GetVertexPosition(); |
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| 120 | histoManager->FillHisto(4,vertex.z()); |
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| 121 | runAction->FlowInCavity(0,ekin1); |
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| 122 | histoManager->FillHisto(5,ekin1); |
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| 123 | if (steplen>0.) { |
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| 124 | G4ThreeVector directionOut = |
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| 125 | (point2->GetPosition() - point1->GetPosition()).unit(); |
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| 126 | G4ThreeVector normal = point1->GetTouchableHandle()->GetSolid() |
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| 127 | ->SurfaceNormal(point1->GetPosition()); |
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| 128 | histoManager->FillHisto(6,std::acos(-directionIn*normal)); |
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| 129 | histoManager->FillHisto(7,std::acos(-directionOut*normal)); |
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| 130 | } |
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| 131 | } |
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| 132 | |
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| 133 | //within cavity |
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| 134 | // |
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| 135 | if (step->GetTrack()->GetCurrentStepNumber() == 1) trackSegm = 0.; |
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| 136 | trackSegm += steplen; |
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| 137 | if (ekin2 <= 0.) { |
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| 138 | runAction->AddTrakCavity(trackSegm); |
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| 139 | histoManager->FillHisto(8,trackSegm); |
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| 140 | } |
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| 141 | |
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| 142 | //exit cavity |
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| 143 | // |
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| 144 | if (point2->GetStepStatus() == fGeomBoundary) { |
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| 145 | runAction->FlowInCavity(1,ekin2); |
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| 146 | runAction->AddTrakCavity(trackSegm); |
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| 147 | histoManager->FillHisto(8,trackSegm); |
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| 148 | } |
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| 149 | } |
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| 150 | |
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| 151 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... |
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| 152 | |
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| 153 | |
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