| 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 *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
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 *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 /// \file electromagnetic/TestEm5/src/PrimaryG 26 /// \file electromagnetic/TestEm5/src/PrimaryGeneratorAction.cc
27 /// \brief Implementation of the PrimaryGenera 27 /// \brief Implementation of the PrimaryGeneratorAction class
28 // 28 //
29 // 29 //
30 //....oooOO0OOooo........oooOO0OOooo........oo 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oo 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32 32
33 #include "PrimaryGeneratorAction.hh" 33 #include "PrimaryGeneratorAction.hh"
34 34
35 #include "DetectorConstruction.hh" 35 #include "DetectorConstruction.hh"
36 #include "PrimaryGeneratorMessenger.hh" 36 #include "PrimaryGeneratorMessenger.hh"
37 37
38 #include "G4Event.hh" 38 #include "G4Event.hh"
39 #include "G4ParticleDefinition.hh" <<
40 #include "G4ParticleTable.hh" 39 #include "G4ParticleTable.hh"
>> 40 #include "G4ParticleDefinition.hh"
41 #include "G4SystemOfUnits.hh" 41 #include "G4SystemOfUnits.hh"
42 #include "Randomize.hh" 42 #include "Randomize.hh"
43 43
44 //....oooOO0OOooo........oooOO0OOooo........oo 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45 45
46 PrimaryGeneratorAction::PrimaryGeneratorAction << 46 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* DC)
>> 47 :G4VUserPrimaryGeneratorAction(),
>> 48 fParticleGun(0),fDetector(DC),fRndmBeam(0),fGunMessenger(0)
47 { 49 {
48 G4int n_particle = 1; 50 G4int n_particle = 1;
49 fParticleGun = new G4ParticleGun(n_particle) << 51 fParticleGun = new G4ParticleGun(n_particle);
50 SetDefaultKinematic(); 52 SetDefaultKinematic();
51 << 53
52 // create a messenger for this class << 54 //create a messenger for this class
53 fGunMessenger = new PrimaryGeneratorMessenge 55 fGunMessenger = new PrimaryGeneratorMessenger(this);
54 } 56 }
55 57
56 //....oooOO0OOooo........oooOO0OOooo........oo 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 59
58 PrimaryGeneratorAction::~PrimaryGeneratorActio 60 PrimaryGeneratorAction::~PrimaryGeneratorAction()
59 { 61 {
60 delete fParticleGun; 62 delete fParticleGun;
61 delete fGunMessenger; << 63 delete fGunMessenger;
62 } 64 }
63 << 65
64 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65 67
66 void PrimaryGeneratorAction::SetDefaultKinemat 68 void PrimaryGeneratorAction::SetDefaultKinematic()
67 { << 69 {
68 // default particle kinematic 70 // default particle kinematic
69 // 71 //
70 G4ParticleTable* particleTable = G4ParticleT 72 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
71 G4ParticleDefinition* particle = particleTab << 73 G4ParticleDefinition* particle
>> 74 = particleTable->FindParticle("e-");
72 fParticleGun->SetParticleDefinition(particle 75 fParticleGun->SetParticleDefinition(particle);
73 fParticleGun->SetParticleMomentumDirection(G << 76 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(1.,0.,0.));
74 fParticleGun->SetParticleEnergy(30. * MeV); << 77 fParticleGun->SetParticleEnergy(30.*MeV);
75 G4double x0 = -0.4999 * (fDetector->GetWorld << 78 G4double x0 = -0.5*(fDetector->GetWorldSizeX());
76 fParticleGun->SetParticlePosition(G4ThreeVec << 79 fParticleGun->SetParticlePosition(G4ThreeVector(x0, 0.0, 0.0));
77 } 80 }
78 81
79 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
80 83
81 void PrimaryGeneratorAction::GeneratePrimaries 84 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
82 { 85 {
83 // this function is called at the begining o << 86 //this function is called at the begining of event
84 // 87 //
85 // randomize the beam, if requested. << 88 //randomize the beam, if requested.
86 if (fRndmBeam > 0.) { << 89 if (fRndmBeam > 0.)
87 G4ThreeVector oldPosition = fParticleGun-> << 90 {
88 G4double rbeam = 0.5 * (fDetector->GetAbso << 91 G4ThreeVector oldPosition = fParticleGun->GetParticlePosition();
89 G4double x0 = oldPosition.x(); << 92 G4double rbeam = 0.5*(fDetector->GetAbsorberSizeYZ())*fRndmBeam;
90 G4double y0 = (2 * G4UniformRand() - 1.) * << 93 G4double x0 = oldPosition.x();
91 G4double z0 = (2 * G4UniformRand() - 1.) * << 94 G4double y0 = oldPosition.y() + (2*G4UniformRand()-1.)*rbeam;
92 fParticleGun->SetParticlePosition(G4ThreeV << 95 G4double z0 = oldPosition.z() + (2*G4UniformRand()-1.)*rbeam;
93 fParticleGun->GeneratePrimaryVertex(anEven << 96 fParticleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
94 fParticleGun->SetParticlePosition(oldPosit << 97 fParticleGun->GeneratePrimaryVertex(anEvent);
95 } << 98 fParticleGun->SetParticlePosition(oldPosition);
96 else << 99 }
97 fParticleGun->GeneratePrimaryVertex(anEven << 100 else fParticleGun->GeneratePrimaryVertex(anEvent);
98 } 101 }
99 102
100 //....oooOO0OOooo........oooOO0OOooo........oo 103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
101 104