1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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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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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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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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27 | // $Id: AnaEx01PrimaryGeneratorAction.cc,v 1.5 2006/06/29 16:33:57 gunter Exp $ |
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28 | // GEANT4 tag $Name: $ |
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29 | // |
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30 | // |
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31 | |
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32 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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33 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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34 | |
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35 | #include "AnaEx01PrimaryGeneratorAction.hh" |
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36 | |
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37 | #include "AnaEx01DetectorConstruction.hh" |
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38 | #include "AnaEx01PrimaryGeneratorMessenger.hh" |
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39 | |
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40 | #include "G4Event.hh" |
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41 | #include "G4ParticleGun.hh" |
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42 | #include "G4ParticleTable.hh" |
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43 | #include "G4ParticleDefinition.hh" |
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44 | #include "Randomize.hh" |
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45 | |
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46 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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47 | |
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48 | AnaEx01PrimaryGeneratorAction::AnaEx01PrimaryGeneratorAction( |
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49 | AnaEx01DetectorConstruction* AnaEx01DC) |
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50 | :AnaEx01Detector(AnaEx01DC),rndmFlag("off") |
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51 | { |
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52 | G4int n_particle = 1; |
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53 | particleGun = new G4ParticleGun(n_particle); |
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54 | |
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55 | //create a messenger for this class |
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56 | gunMessenger = new AnaEx01PrimaryGeneratorMessenger(this); |
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57 | |
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58 | // default particle kinematic |
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59 | |
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60 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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61 | G4String particleName; |
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62 | G4ParticleDefinition* particle |
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63 | = particleTable->FindParticle(particleName="e-"); |
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64 | particleGun->SetParticleDefinition(particle); |
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65 | particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.)); |
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66 | particleGun->SetParticleEnergy(30.*MeV); |
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67 | G4double position = -0.5*(AnaEx01Detector->GetWorldSizeX()); |
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68 | particleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm)); |
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69 | |
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70 | } |
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71 | |
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72 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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73 | |
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74 | AnaEx01PrimaryGeneratorAction::~AnaEx01PrimaryGeneratorAction() |
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75 | { |
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76 | delete particleGun; |
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77 | delete gunMessenger; |
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78 | } |
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79 | |
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80 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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81 | |
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82 | void AnaEx01PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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83 | { |
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84 | //this function is called at the begining of event |
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85 | // |
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86 | G4double x0 = -0.5*(AnaEx01Detector->GetWorldSizeX()); |
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87 | G4double y0 = 0.*cm, z0 = 0.*cm; |
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88 | if (rndmFlag == "on") |
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89 | {y0 = (AnaEx01Detector->GetCalorSizeYZ())*(G4UniformRand()-0.5); |
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90 | z0 = (AnaEx01Detector->GetCalorSizeYZ())*(G4UniformRand()-0.5); |
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91 | } |
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92 | particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0)); |
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93 | |
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94 | particleGun->GeneratePrimaryVertex(anEvent); |
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95 | } |
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96 | |
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97 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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98 | |
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