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26 /// \file electromagnetic/TestEm6/src/PrimaryG << 26 // $Id: PrimaryGeneratorAction.cc,v 1.3 2006/06/29 16:57:14 gunter Exp $
27 /// \brief Implementation of the PrimaryGenera << 27 // GEANT4 tag $Name: geant4-09-03-patch-01 $
28 // <<
29 // 28 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 29 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 31
33 #include "PrimaryGeneratorAction.hh" 32 #include "PrimaryGeneratorAction.hh"
34 33
35 #include "DetectorConstruction.hh" 34 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorMessenger.hh" 35 #include "PrimaryGeneratorMessenger.hh"
37 36
38 #include "G4Event.hh" 37 #include "G4Event.hh"
39 #include "G4ParticleDefinition.hh" <<
40 #include "G4ParticleGun.hh" 38 #include "G4ParticleGun.hh"
41 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
42 #include "G4SystemOfUnits.hh" << 40 #include "G4ParticleDefinition.hh"
43 #include "Randomize.hh" 41 #include "Randomize.hh"
44 42
45 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 44
47 PrimaryGeneratorAction::PrimaryGeneratorAction << 45 PrimaryGeneratorAction::PrimaryGeneratorAction(
48 : G4VUserPrimaryGeneratorAction(), fParticle << 46 DetectorConstruction* DC)
>> 47 :Detector(DC)
49 { 48 {
50 fParticleGun = new G4ParticleGun(1); << 49 particleGun = new G4ParticleGun(1);
51 G4ParticleDefinition* particle = G4ParticleT << 50 G4ParticleDefinition* particle
52 fParticleGun->SetParticleDefinition(particle << 51 = G4ParticleTable::GetParticleTable()->FindParticle("gamma");
53 fParticleGun->SetParticleEnergy(100 * TeV); << 52 particleGun->SetParticleDefinition(particle);
54 fParticleGun->SetParticleMomentumDirection(G << 53 particleGun->SetParticleEnergy(100*TeV);
55 << 54 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
56 // create a messenger for this class << 55
57 fGunMessenger = new PrimaryGeneratorMessenge << 56 rndmBeam = 0.;
>> 57
>> 58 //create a messenger for this class
>> 59 gunMessenger = new PrimaryGeneratorMessenger(this);
58 } 60 }
59 61
60 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 63
62 PrimaryGeneratorAction::~PrimaryGeneratorActio 64 PrimaryGeneratorAction::~PrimaryGeneratorAction()
63 { 65 {
64 delete fParticleGun; << 66 delete particleGun;
65 delete fGunMessenger; << 67 delete gunMessenger;
66 } 68 }
67 69
68 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69 71
70 void PrimaryGeneratorAction::GeneratePrimaries 72 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
71 { 73 {
72 // this function is called at the begining o << 74 //this function is called at the begining of event
73 // 75 //
74 G4double x0 = -0.5 * (fDetector->GetSize()); << 76 G4double x0 = -0.5*(Detector->GetSize());
75 G4double y0 = 0. * cm, z0 = 0. * cm; << 77 G4double y0 = 0.*cm, z0 = 0.*cm;
76 << 78
77 // randomize the beam, if requested. << 79 //randomize the beam, if requested.
78 // 80 //
79 if (fRndmBeam > 0.) { << 81 if (rndmBeam > 0.)
80 G4double rbeam = 0.5 * (fDetector->GetSize << 82 {
81 y0 = (2 * G4UniformRand() - 1.) * rbeam; << 83 G4double rbeam = 0.5*(Detector->GetSize())*rndmBeam;
82 z0 = (2 * G4UniformRand() - 1.) * rbeam; << 84 y0 = (2*G4UniformRand()-1.)*rbeam;
83 } << 85 z0 = (2*G4UniformRand()-1.)*rbeam;
84 fParticleGun->SetParticlePosition(G4ThreeVec << 86 }
85 fParticleGun->GeneratePrimaryVertex(anEvent) << 87 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
>> 88 particleGun->GeneratePrimaryVertex(anEvent);
86 } 89 }
87 90
88 //....oooOO0OOooo........oooOO0OOooo........oo 91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 92
89 93