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: RE01PrimaryGeneratorAction.cc,v 1.2 2006/06/29 17:44:10 gunter Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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28 | // |
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29 | |
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30 | |
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31 | #include "RE01PrimaryGeneratorAction.hh" |
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32 | |
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33 | #include "G4Event.hh" |
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34 | #include "G4HEPEvtInterface.hh" |
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35 | #include "G4ParticleGun.hh" |
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36 | #include "G4ParticleTable.hh" |
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37 | #include "G4ParticleDefinition.hh" |
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38 | #include "RE01PrimaryGeneratorMessenger.hh" |
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39 | |
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40 | RE01PrimaryGeneratorAction::RE01PrimaryGeneratorAction() |
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41 | { |
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42 | const char* filename = "pythia_event.data"; |
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43 | HEPEvt = new G4HEPEvtInterface(filename); |
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44 | |
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45 | G4int n_particle = 1; |
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46 | G4ParticleGun* fParticleGun = new G4ParticleGun(n_particle); |
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47 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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48 | G4String particleName; |
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49 | G4ParticleDefinition* particle |
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50 | = particleTable->FindParticle(particleName="mu+"); |
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51 | fParticleGun->SetParticleDefinition(particle); |
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52 | fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0.,1.,0.)); |
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53 | fParticleGun->SetParticleEnergy(100.*GeV); |
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54 | fParticleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,0.*cm)); |
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55 | particleGun = fParticleGun; |
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56 | |
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57 | messenger = new RE01PrimaryGeneratorMessenger(this); |
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58 | useHEPEvt = true; |
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59 | } |
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60 | |
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61 | RE01PrimaryGeneratorAction::~RE01PrimaryGeneratorAction() |
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62 | { |
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63 | delete HEPEvt; |
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64 | delete particleGun; |
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65 | delete messenger; |
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66 | } |
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67 | |
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68 | void RE01PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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69 | { |
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70 | if(useHEPEvt) |
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71 | { HEPEvt->GeneratePrimaryVertex(anEvent); } |
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72 | else |
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73 | { particleGun->GeneratePrimaryVertex(anEvent); } |
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74 | } |
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75 | |
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76 | |
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