| 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 | // $Id: SteppingAction.cc,v 1.7 2010/10/13 13:42:33 vnivanch Exp $
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| 27 | // GEANT4 tag $Name: examples-V09-03-09 $
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| 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 "PrimaryGeneratorAction.hh"
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| 34 | #include "RunAction.hh"
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| 35 | #include "HistoManager.hh"
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| 36 | #include "G4RunManager.hh"
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| 37 |
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| 38 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 39 |
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| 40 | SteppingAction::SteppingAction(PrimaryGeneratorAction* prim,
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| 41 | RunAction* RuAct, HistoManager* Hist)
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| 42 | :primary(prim),runAction(RuAct), histoManager(Hist)
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| 43 | { }
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| 44 |
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| 45 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 46 |
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| 47 | SteppingAction::~SteppingAction()
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| 48 | { }
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| 49 |
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| 50 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 51 |
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| 52 | void SteppingAction::UserSteppingAction(const G4Step* aStep)
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| 53 | {
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| 54 | const G4StepPoint* endPoint = aStep->GetPostStepPoint();
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| 55 | G4String procName = endPoint->GetProcessDefinedStep()->GetProcessName();
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| 56 | G4bool transmit = (endPoint->GetStepStatus() <= fGeomBoundary);
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| 57 | if (transmit) { runAction->CountProcesses(procName); }
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| 58 | else {
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| 59 | //count real processes and sum track length
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| 60 | G4double stepLength = aStep->GetStepLength();
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| 61 | runAction->CountProcesses(procName);
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| 62 | runAction->SumTrack(stepLength);
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| 63 | }
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| 64 |
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| 65 | //plot final state (only if continuous energy loss is small enough)
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| 66 | //
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| 67 |
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| 68 | //scattered primary particle
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| 69 | //
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| 70 | G4int id = 1;
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| 71 | if (aStep->GetTrack()->GetTrackStatus() == fAlive) {
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| 72 | G4double energy = endPoint->GetKineticEnergy();
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| 73 | histoManager->FillHisto(id,energy);
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| 74 |
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| 75 | id = 2;
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| 76 | G4ThreeVector direction = endPoint->GetMomentumDirection();
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| 77 | G4double costeta = direction.x();
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| 78 | histoManager->FillHisto(id,costeta);
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| 79 | }
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| 80 |
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| 81 | //secondaries
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| 82 | //
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| 83 | const G4TrackVector* secondary = fpSteppingManager->GetSecondary();
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| 84 | for (size_t lp=0; lp<(*secondary).size(); lp++) {
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| 85 | G4double charge = (*secondary)[lp]->GetDefinition()->GetPDGCharge();
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| 86 | if (charge != 0.) { id = 3; } else { id = 5; }
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| 87 | G4double energy = (*secondary)[lp]->GetKineticEnergy();
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| 88 | histoManager->FillHisto(id,energy);
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| 89 |
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| 90 | ++id;
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| 91 | G4ThreeVector direction = (*secondary)[lp]->GetMomentumDirection();
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| 92 | G4double costeta = direction.x();
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| 93 | histoManager->FillHisto(id,costeta);
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| 94 |
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| 95 | //energy tranferred to charged secondaries
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| 96 | if (charge != 0.) { runAction->SumeTransf(energy); }
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| 97 | }
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| 98 |
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| 99 | // kill event after first interaction
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| 100 | //
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| 101 | G4RunManager::GetRunManager()->AbortEvent();
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| 102 | }
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| 103 |
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| 104 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 105 |
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| 106 |
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