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26 /// \file electromagnetic/TestEm12/src/Primary << 26 // $Id: PrimaryGeneratorAction.cc,v 1.2 2006/06/29 16:43:32 gunter Exp $
27 /// \brief Implementation of the PrimaryGenera << 27 // GEANT4 tag $Name: geant4-09-03-patch-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
>> 34 #include "DetectorConstruction.hh"
35 #include "PrimaryGeneratorMessenger.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 "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
41 #include "G4PhysicalConstants.hh" << 40 #include "G4ParticleDefinition.hh"
42 #include "G4SystemOfUnits.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)
>> 46 :detector(det)
48 { 47 {
49 fParticleGun = new G4ParticleGun(1); << 48 particleGun = new G4ParticleGun(1);
50 G4ParticleDefinition* particle = G4ParticleT << 49 G4ParticleDefinition* particle
51 fParticleGun->SetParticleDefinition(particle << 50 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
52 fParticleGun->SetParticleEnergy(4 * MeV); << 51 particleGun->SetParticleDefinition(particle);
53 fParticleGun->SetParticlePosition(G4ThreeVec << 52 particleGun->SetParticleEnergy(4*MeV);
54 fParticleGun->SetParticleMomentumDirection(G << 53 particleGun->SetParticlePosition(G4ThreeVector());
55 << 54 particleGun->SetParticleMomentumDirection(G4ThreeVector(1,0,0));
56 // create a messenger for this class << 55
57 fGunMessenger = new PrimaryGeneratorMessenge << 56 rndmBeam = true;
>> 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 // randomize the beam, if requested. << 74 //randomize the beam, if requested.
73 // 75 //
74 if (fRndmBeam) { << 76 if (rndmBeam)
75 // distribution uniform in solid angle << 77 {
76 // << 78 //distribution uniform in solid angle
77 G4double cosTheta = 2 * G4UniformRand() - << 79 //
78 G4double sinTheta = std::sqrt(1. - cosThet << 80 G4double cosTheta = 2*G4UniformRand() - 1., phi = twopi*G4UniformRand();
79 G4double ux = sinTheta * std::cos(phi), uy << 81 G4double sinTheta = std::sqrt(1. - cosTheta*cosTheta);
80 fParticleGun->SetParticleMomentumDirection << 82 G4double ux = sinTheta*std::cos(phi),
81 } << 83 uy = sinTheta*std::sin(phi),
>> 84 uz = cosTheta;
>> 85 particleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,uz));
>> 86 }
82 87
83 fParticleGun->GeneratePrimaryVertex(anEvent) << 88 particleGun->GeneratePrimaryVertex(anEvent);
84 } 89 }
85 90
86 //....oooOO0OOooo........oooOO0OOooo........oo 91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 92
87 93