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26 /// \file electromagnetic/TestEm6/src/PrimaryG << 23 // $Id: PrimaryGeneratorAction.cc,v 1.2 2004/09/27 09:35:38 maire Exp $
27 /// \brief Implementation of the PrimaryGenera << 24 // GEANT4 tag $Name: geant4-08-00 $
28 // <<
29 // 25 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 26 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 28
33 #include "PrimaryGeneratorAction.hh" 29 #include "PrimaryGeneratorAction.hh"
34 30
35 #include "DetectorConstruction.hh" 31 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorMessenger.hh" 32 #include "PrimaryGeneratorMessenger.hh"
37 33
38 #include "G4Event.hh" 34 #include "G4Event.hh"
39 #include "G4ParticleDefinition.hh" <<
40 #include "G4ParticleGun.hh" 35 #include "G4ParticleGun.hh"
41 #include "G4ParticleTable.hh" 36 #include "G4ParticleTable.hh"
42 #include "G4SystemOfUnits.hh" << 37 #include "G4ParticleDefinition.hh"
43 #include "Randomize.hh" 38 #include "Randomize.hh"
44 39
45 //....oooOO0OOooo........oooOO0OOooo........oo 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 41
47 PrimaryGeneratorAction::PrimaryGeneratorAction << 42 PrimaryGeneratorAction::PrimaryGeneratorAction(
48 : G4VUserPrimaryGeneratorAction(), fParticle << 43 DetectorConstruction* DC)
>> 44 :Detector(DC)
49 { 45 {
50 fParticleGun = new G4ParticleGun(1); << 46 particleGun = new G4ParticleGun(1);
51 G4ParticleDefinition* particle = G4ParticleT << 47 G4ParticleDefinition* particle
52 fParticleGun->SetParticleDefinition(particle << 48 = G4ParticleTable::GetParticleTable()->FindParticle("gamma");
53 fParticleGun->SetParticleEnergy(100 * TeV); << 49 particleGun->SetParticleDefinition(particle);
54 fParticleGun->SetParticleMomentumDirection(G << 50 particleGun->SetParticleEnergy(100*TeV);
55 << 51 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
56 // create a messenger for this class << 52
57 fGunMessenger = new PrimaryGeneratorMessenge << 53 rndmBeam = 0.;
>> 54
>> 55 //create a messenger for this class
>> 56 gunMessenger = new PrimaryGeneratorMessenger(this);
58 } 57 }
59 58
60 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 60
62 PrimaryGeneratorAction::~PrimaryGeneratorActio 61 PrimaryGeneratorAction::~PrimaryGeneratorAction()
63 { 62 {
64 delete fParticleGun; << 63 delete particleGun;
65 delete fGunMessenger; << 64 delete gunMessenger;
66 } 65 }
67 66
68 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69 68
70 void PrimaryGeneratorAction::GeneratePrimaries 69 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
71 { 70 {
72 // this function is called at the begining o << 71 //this function is called at the begining of event
73 // 72 //
74 G4double x0 = -0.5 * (fDetector->GetSize()); << 73 G4double x0 = -0.5*(Detector->GetSize());
75 G4double y0 = 0. * cm, z0 = 0. * cm; << 74 G4double y0 = 0.*cm, z0 = 0.*cm;
76 << 75
77 // randomize the beam, if requested. << 76 //randomize the beam, if requested.
78 // 77 //
79 if (fRndmBeam > 0.) { << 78 if (rndmBeam > 0.)
80 G4double rbeam = 0.5 * (fDetector->GetSize << 79 {
81 y0 = (2 * G4UniformRand() - 1.) * rbeam; << 80 G4double rbeam = 0.5*(Detector->GetSize())*rndmBeam;
82 z0 = (2 * G4UniformRand() - 1.) * rbeam; << 81 y0 = (2*G4UniformRand()-1.)*rbeam;
83 } << 82 z0 = (2*G4UniformRand()-1.)*rbeam;
84 fParticleGun->SetParticlePosition(G4ThreeVec << 83 }
85 fParticleGun->GeneratePrimaryVertex(anEvent) << 84 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
>> 85 particleGun->GeneratePrimaryVertex(anEvent);
86 } 86 }
87 87
88 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 89
89 90