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26 /// \file exoticphysics/monopole/src/PrimaryGe << 26 // $Id: PrimaryGeneratorAction.cc,v 1.1 2007/08/16 10:32:04 vnivanch Exp $
27 /// \brief Implementation of the PrimaryGenera << 27 // GEANT4 tag $Name: geant4-09-02 $
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"
>> 35 #include "PrimaryGeneratorMessenger.hh"
36 36
37 #include "G4Event.hh" 37 #include "G4Event.hh"
38 #include "G4ParticleDefinition.hh" <<
39 #include "G4ParticleGun.hh" 38 #include "G4ParticleGun.hh"
40 #include "G4SystemOfUnits.hh" << 39 #include "G4ParticleTable.hh"
>> 40 #include "G4ParticleDefinition.hh"
>> 41 #include "Randomize.hh"
41 42
42 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43 44
44 PrimaryGeneratorAction::PrimaryGeneratorAction 45 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
45 : G4VUserPrimaryGeneratorAction(), fParticle << 46 :detector(det)
46 { 47 {
47 fParticleGun = new G4ParticleGun(1); << 48 particleGun = new G4ParticleGun(1);
48 fParticleGun->SetParticleEnergy(100 * GeV); << 49 G4ParticleDefinition* particle = G4ParticleTable::GetParticleTable()->FindParticle("monopole");
49 fParticleGun->SetParticleMomentumDirection(G << 50 particleGun->SetParticleDefinition(particle);
>> 51 particleGun->SetParticleEnergy(100 * GeV);
>> 52 particleGun->SetParticleMomentumDirection(G4ThreeVector(1., 0., 0.));
>> 53
>> 54 rndmBeam = 0.;
>> 55 EbeamCumul = 0.;
>> 56
>> 57 //create a messenger for this class
>> 58 gunMessenger = new PrimaryGeneratorMessenger(this);
50 } 59 }
51 60
52 //....oooOO0OOooo........oooOO0OOooo........oo <<
53 61
>> 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
54 PrimaryGeneratorAction::~PrimaryGeneratorActio 63 PrimaryGeneratorAction::~PrimaryGeneratorAction()
55 { 64 {
56 delete fParticleGun; << 65 delete particleGun;
>> 66 delete gunMessenger;
57 } 67 }
58 68
59 //....oooOO0OOooo........oooOO0OOooo........oo <<
60 69
>> 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
61 void PrimaryGeneratorAction::GeneratePrimaries 71 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
62 { 72 {
63 // this function is called at the begining o << 73 //this function is called at the begining of event
64 if (0 == anEvent->GetEventID() || !fPrimPosi << 74 G4double x0 = -0.5*(detector->GetWorldSizeX());
65 G4double x0 = -0.5 * (fDetector->GetWorldS << 75 G4double y0 = 0.*cm, z0 = 0.*cm;
66 fParticleGun->SetParticlePosition(G4ThreeV << 76
67 fPrimPositionDefined = true; << 77 //randomize the beam, if requested.
68 } << 78 if (rndmBeam > 0.)
69 << 79 {
70 fParticleGun->GeneratePrimaryVertex(anEvent) << 80 if (rndmBeam > detector->GetAbsorSizeYZ())
>> 81 rndmBeam = detector->GetAbsorSizeYZ();
>> 82 G4double rbeam = 0.5*rndmBeam;
>> 83 y0 = (2*G4UniformRand()-1.)*rbeam;
>> 84 z0 = (2*G4UniformRand()-1.)*rbeam;
>> 85 }
>> 86 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
>> 87 particleGun->GeneratePrimaryVertex(anEvent);
>> 88
>> 89 EbeamCumul += particleGun->GetParticleEnergy();
71 } 90 }
72 91
73 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 93
74 94