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26 /// \file electromagnetic/TestEm7/src/PrimaryG << 26 // $Id: PrimaryGeneratorAction.cc,v 1.2 2006/06/29 16:58:39 gunter Exp $
27 /// \brief Implementation of the PrimaryGenera << 27 // GEANT4 tag $Name: geant4-08-01-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(DetectorConstruction* det)
48 : G4VUserPrimaryGeneratorAction(), << 46 :detector(det)
49 fParticleGun(0), <<
50 fDetector(det), <<
51 fRndmBeam(0), <<
52 fEbeamCumul(0), <<
53 fGunMessenger(0) <<
54 { 47 {
55 fParticleGun = new G4ParticleGun(1); << 48 particleGun = new G4ParticleGun(1);
56 G4ParticleDefinition* particle = G4ParticleT << 49 G4ParticleDefinition* particle
57 fParticleGun->SetParticleDefinition(particle << 50 = G4ParticleTable::GetParticleTable()->FindParticle("proton");
58 fParticleGun->SetParticleEnergy(160 * MeV); << 51 particleGun->SetParticleDefinition(particle);
59 fParticleGun->SetParticleMomentumDirection(G << 52 particleGun->SetParticleEnergy(160*MeV);
60 << 53 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
61 // create a messenger for this class << 54
62 fGunMessenger = new PrimaryGeneratorMessenge << 55 rndmBeam = 0.;
>> 56 EbeamCumul = 0.;
>> 57
>> 58 //create a messenger for this class
>> 59 gunMessenger = new PrimaryGeneratorMessenger(this);
63 } 60 }
64 61
65 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
66 63
67 PrimaryGeneratorAction::~PrimaryGeneratorActio 64 PrimaryGeneratorAction::~PrimaryGeneratorAction()
68 { 65 {
69 delete fParticleGun; << 66 delete particleGun;
70 delete fGunMessenger; << 67 delete gunMessenger;
71 } 68 }
72 69
73 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
74 71
75 void PrimaryGeneratorAction::GeneratePrimaries 72 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
76 { 73 {
77 // this function is called at the begining o << 74 //this function is called at the begining of event
78 // 75 //
79 G4double x0 = -0.5 * (fDetector->GetWorldSiz << 76 G4double x0 = -0.5*(detector->GetWorldSizeX());
80 G4double y0 = 0. * cm, z0 = 0. * cm; << 77 G4double y0 = 0.*cm, z0 = 0.*cm;
81 << 78
82 // randomize the beam, if requested. << 79 //randomize the beam, if requested.
83 // 80 //
84 if (fRndmBeam > 0.) { << 81 if (rndmBeam > 0.)
85 if (fRndmBeam > fDetector->GetAbsorSizeYZ( << 82 {
86 G4double rbeam = 0.5 * fRndmBeam; << 83 if (rndmBeam > detector->GetAbsorSizeYZ())
87 y0 = (2 * G4UniformRand() - 1.) * rbeam; << 84 rndmBeam = detector->GetAbsorSizeYZ();
88 z0 = (2 * G4UniformRand() - 1.) * rbeam; << 85 G4double rbeam = 0.5*rndmBeam;
89 } << 86 y0 = (2*G4UniformRand()-1.)*rbeam;
90 fParticleGun->SetParticlePosition(G4ThreeVec << 87 z0 = (2*G4UniformRand()-1.)*rbeam;
91 fParticleGun->GeneratePrimaryVertex(anEvent) << 88 }
92 << 89 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
93 fEbeamCumul += fParticleGun->GetParticleEner << 90 particleGun->GeneratePrimaryVertex(anEvent);
>> 91
>> 92 EbeamCumul += particleGun->GetParticleEnergy();
94 } 93 }
95 94
96 //....oooOO0OOooo........oooOO0OOooo........oo 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 96
97 97