| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
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10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
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13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
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17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 //....oooOO0OOooo........oooOO0OOooo........oo 27 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
28 //....oooOO0OOooo........oooOO0OOooo........oo 28 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
29 29
30 #include "PrimaryGeneratorAction.hh" 30 #include "PrimaryGeneratorAction.hh"
31 31
32 #include "PrimaryGeneratorMessenger.hh" 32 #include "PrimaryGeneratorMessenger.hh"
33 #include "DetectorConstruction.hh" 33 #include "DetectorConstruction.hh"
34 34
35 #include "G4SystemOfUnits.hh" 35 #include "G4SystemOfUnits.hh"
36 #include "G4Event.hh" 36 #include "G4Event.hh"
37 #include "G4ParticleGun.hh" 37 #include "G4ParticleGun.hh"
38 #include "G4ParticleTable.hh" 38 #include "G4ParticleTable.hh"
39 #include "G4ParticleDefinition.hh" 39 #include "G4ParticleDefinition.hh"
40 #include "Randomize.hh" 40 #include "Randomize.hh"
41 41
42 //....oooOO0OOooo........oooOO0OOooo........oo 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43 43
44 PrimaryGeneratorAction::PrimaryGeneratorAction 44 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
45 :Detector(det) 45 :Detector(det)
46 { 46 {
47 G4int n_particle = 1; 47 G4int n_particle = 1;
48 particleGun = new G4ParticleGun(n_particle) 48 particleGun = new G4ParticleGun(n_particle);
49 SetDefaultKinematic(); 49 SetDefaultKinematic();
50 beam = 0.*mm; 50 beam = 0.*mm;
51 51
52 //create a messenger for this class 52 //create a messenger for this class
53 gunMessenger = new PrimaryGeneratorMessenger 53 gunMessenger = new PrimaryGeneratorMessenger(this);
54 } 54 }
55 55
56 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 57
58 PrimaryGeneratorAction::~PrimaryGeneratorActio 58 PrimaryGeneratorAction::~PrimaryGeneratorAction()
59 { 59 {
60 delete particleGun; 60 delete particleGun;
61 delete gunMessenger; 61 delete gunMessenger;
62 } 62 }
63 63
64 //....oooOO0OOooo........oooOO0OOooo........oo 64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 65
66 void PrimaryGeneratorAction::SetDefaultKinemat 66 void PrimaryGeneratorAction::SetDefaultKinematic()
67 { 67 {
68 G4ParticleTable* particleTable = G4ParticleT 68 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
69 G4String particleName; 69 G4String particleName;
70 G4ParticleDefinition* particle 70 G4ParticleDefinition* particle
71 = particleTable->FindParti 71 = particleTable->FindParticle(particleName="e-");
72 particleGun->SetParticleDefinition(particle) 72 particleGun->SetParticleDefinition(particle);
73 particleGun->SetParticleMomentumDirection(G4 73 particleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
74 particleGun->SetParticleEnergy(1.*GeV); 74 particleGun->SetParticleEnergy(1.*GeV);
75 G4double position = -0.5*(Detector->GetWorld 75 G4double position = -0.5*(Detector->GetWorldSizeX());
76 particleGun->SetParticlePosition(G4ThreeVect 76 particleGun->SetParticlePosition(G4ThreeVector(position,0.*mm,0.*mm));
77 } 77 }
78 78
79 //....oooOO0OOooo........oooOO0OOooo........oo 79 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80 80
81 void PrimaryGeneratorAction::GeneratePrimaries 81 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
82 { 82 {
83 //this function is called at the begining of 83 //this function is called at the begining of event
84 // 84 //
85 //randomize beam, if requested. 85 //randomize beam, if requested.
86 // 86 //
87 if (beam > 0.) 87 if (beam > 0.)
88 { 88 {
89 G4ThreeVector position = particleGun->Ge 89 G4ThreeVector position = particleGun->GetParticlePosition();
90 G4double maxYZ = 0.49*(Detector->GetCalo 90 G4double maxYZ = 0.49*(Detector->GetCalorSizeYZ());
91 G4double x0 = position.x(); 91 G4double x0 = position.x();
92 G4double y0 = position.y() + (G4UniformR 92 G4double y0 = position.y() + (G4UniformRand()-0.5)*beam;
93 G4double z0 = position.z() + (G4UniformR 93 G4double z0 = position.z() + (G4UniformRand()-0.5)*beam;
94 if (std::abs(y0) > maxYZ) y0 = maxYZ; 94 if (std::abs(y0) > maxYZ) y0 = maxYZ;
95 if (std::abs(z0) > maxYZ) z0 = maxYZ; 95 if (std::abs(z0) > maxYZ) z0 = maxYZ;
96 particleGun->SetParticlePosition(G4Three 96 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
97 particleGun->GeneratePrimaryVertex(anEve 97 particleGun->GeneratePrimaryVertex(anEvent);
98 particleGun->SetParticlePosition(positio 98 particleGun->SetParticlePosition(position);
99 } 99 }
100 else particleGun->GeneratePrimaryVertex(anE 100 else particleGun->GeneratePrimaryVertex(anEvent);
101 } 101 }
102 102
103 //....oooOO0OOooo........oooOO0OOooo........oo 103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
104 104
105 105