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26 /// \file electromagnetic/TestEm1/src/PrimaryG <<
27 /// \brief Implementation of the PrimaryGenera <<
28 // 26 //
>> 27 // $Id: PrimaryGeneratorAction.cc,v 1.4 2006/06/29 16:37:21 gunter Exp $
>> 28 // GEANT4 tag $Name: geant4-08-01-patch-01 $
29 // 29 //
>> 30 //
30 31
31 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 //....oooOO0OOooo........oooOO0OOooo........oo 33 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
33 34
34 #include "PrimaryGeneratorAction.hh" 35 #include "PrimaryGeneratorAction.hh"
35 36
36 #include "DetectorConstruction.hh" 37 #include "DetectorConstruction.hh"
37 #include "PrimaryGeneratorMessenger.hh" 38 #include "PrimaryGeneratorMessenger.hh"
38 39
39 #include "G4Event.hh" 40 #include "G4Event.hh"
40 #include "G4ParticleDefinition.hh" <<
41 #include "G4ParticleTable.hh" 41 #include "G4ParticleTable.hh"
42 #include "G4SystemOfUnits.hh" << 42 #include "G4ParticleDefinition.hh"
43 #include "Randomize.hh" 43 #include "Randomize.hh"
44 44
45 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
46 46
47 PrimaryGeneratorAction::PrimaryGeneratorAction << 47 PrimaryGeneratorAction::PrimaryGeneratorAction(
>> 48 DetectorConstruction* DC)
>> 49 :Detector(DC)
48 { 50 {
49 fParticleGun = new G4ParticleGun(1); << 51 particleGun = new G4ParticleGun(1);
50 SetDefaultKinematic(1); 52 SetDefaultKinematic(1);
51 << 53 rndmBeam = 0.;
52 // create a messenger for this class << 54
53 fGunMessenger = new PrimaryGeneratorMessenge << 55 //create a messenger for this class
>> 56 gunMessenger = new PrimaryGeneratorMessenger(this);
54 } 57 }
55 58
56 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 60
58 PrimaryGeneratorAction::~PrimaryGeneratorActio 61 PrimaryGeneratorAction::~PrimaryGeneratorAction()
59 { 62 {
60 delete fParticleGun; << 63 delete particleGun;
61 delete fGunMessenger; << 64 delete gunMessenger;
62 } 65 }
63 66
64 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 68
66 void PrimaryGeneratorAction::SetDefaultKinemat 69 void PrimaryGeneratorAction::SetDefaultKinematic(G4int front)
67 { 70 {
68 G4ParticleDefinition* particle = G4ParticleT << 71 G4ParticleDefinition* particle
69 fParticleGun->SetParticleDefinition(particle << 72 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
70 fParticleGun->SetParticleMomentumDirection(G << 73 particleGun->SetParticleDefinition(particle);
71 fParticleGun->SetParticleEnergy(100 * MeV); << 74 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
72 G4double position = 0. * cm; << 75 particleGun->SetParticleEnergy(100*MeV);
73 if (front) position = -0.4999 * (fDetector-> << 76 G4double position = 0.*cm;
74 fParticleGun->SetParticlePosition(G4ThreeVec << 77 if (front) position = -0.5*(Detector->GetSize());
>> 78 particleGun->SetParticlePosition(G4ThreeVector(position,0.*cm,0.*cm));
75 } 79 }
76 80
77 //....oooOO0OOooo........oooOO0OOooo........oo 81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
78 82
79 void PrimaryGeneratorAction::GeneratePrimaries 83 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
80 { 84 {
81 // this function is called at the begining o << 85 //this function is called at the begining of event
82 // 86 //
83 // randomize the beam, if requested. << 87 //randomize the beam, if requested.
84 if (fRndmBeam > 0.) { << 88 if (rndmBeam > 0.)
85 G4ThreeVector oldPosition = fParticleGun-> << 89 {
86 G4double rbeam = 0.5 * (fDetector->GetSize << 90 G4ThreeVector oldPosition = particleGun->GetParticlePosition();
87 G4double x0 = oldPosition.x(); << 91 G4double rbeam = 0.5*(Detector->GetSize())*rndmBeam;
88 G4double y0 = oldPosition.y() + (2 * G4Uni << 92 G4double x0 = oldPosition.x();
89 G4double z0 = oldPosition.z() + (2 * G4Uni << 93 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam;
90 fParticleGun->SetParticlePosition(G4ThreeV << 94 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam;
91 fParticleGun->GeneratePrimaryVertex(anEven << 95 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
92 fParticleGun->SetParticlePosition(oldPosit << 96 particleGun->GeneratePrimaryVertex(anEvent);
93 } << 97 particleGun->SetParticlePosition(oldPosition);
94 else << 98 }
95 fParticleGun->GeneratePrimaryVertex(anEven << 99 else particleGun->GeneratePrimaryVertex(anEvent);
96 } 100 }
97 101
98 //....oooOO0OOooo........oooOO0OOooo........oo 102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 103
99 104