| 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 exoticphysics/monopole/src/PrimaryGe << 26 // $Id: PrimaryGeneratorAction.cc,v 1.2 2009/07/15 10:19:47 vnivanch Exp $
27 /// \brief Implementation of the PrimaryGenera << 27 // GEANT4 tag $Name: geant4-09-03 $
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"
>> 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 "G4SystemOfUnits.hh" << 39 #include "G4ParticleTable.hh"
>> 40 #include "G4ParticleDefinition.hh"
>> 41 #include "Randomize.hh"
41 42
42 //....oooOO0OOooo........oooOO0OOooo........oo 43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43 44
44 PrimaryGeneratorAction::PrimaryGeneratorAction 45 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
45 : G4VUserPrimaryGeneratorAction(), fParticle << 46 :detector(det)
46 { 47 {
47 fParticleGun = new G4ParticleGun(1); << 48 particleGun = new G4ParticleGun(1);
48 fParticleGun->SetParticleEnergy(100 * GeV); << 49 G4ParticleDefinition* particle =
49 fParticleGun->SetParticleMomentumDirection(G << 50 G4ParticleTable::GetParticleTable()->FindParticle("monopole");
>> 51 particleGun->SetParticleDefinition(particle);
>> 52 particleGun->SetParticleEnergy(100 * GeV);
>> 53 particleGun->SetParticleMomentumDirection(G4ThreeVector(1., 0., 0.));
>> 54
>> 55 rndmBeam = 0.;
>> 56 EbeamCumul = 0.;
>> 57
>> 58 //create a messenger for this class
>> 59 gunMessenger = new PrimaryGeneratorMessenger(this);
50 } 60 }
51 61
52 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 <<
54 PrimaryGeneratorAction::~PrimaryGeneratorActio 63 PrimaryGeneratorAction::~PrimaryGeneratorAction()
55 { 64 {
56 delete fParticleGun; << 65 delete particleGun;
>> 66 delete gunMessenger;
57 } 67 }
58 68
59 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60 70
61 void PrimaryGeneratorAction::GeneratePrimaries 71 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
62 { 72 {
63 // this function is called at the begining o << 73 //this function is called at the begining of event
64 if (0 == anEvent->GetEventID() || !fPrimPosi << 74 G4double x0 = -0.5*(detector->GetWorldSizeX());
65 G4double x0 = -0.5 * (fDetector->GetWorldS << 75 G4double y0 = 0.*cm, z0 = 0.*cm;
66 fParticleGun->SetParticlePosition(G4ThreeV << 76
67 fPrimPositionDefined = true; << 77 //randomize the beam, if requested.
68 } << 78 if (rndmBeam > 0.)
69 << 79 {
70 fParticleGun->GeneratePrimaryVertex(anEvent) << 80 if (rndmBeam > detector->GetAbsorSizeYZ())
>> 81 rndmBeam = detector->GetAbsorSizeYZ();
>> 82 G4double rbeam = 0.5*rndmBeam;
>> 83 y0 = (2*G4UniformRand()-1.)*rbeam;
>> 84 z0 = (2*G4UniformRand()-1.)*rbeam;
>> 85 }
>> 86 particleGun->SetParticlePosition(G4ThreeVector(x0,y0,z0));
>> 87 particleGun->GeneratePrimaryVertex(anEvent);
>> 88
>> 89 EbeamCumul += particleGun->GetParticleEnergy();
71 } 90 }
72 91
73 //....oooOO0OOooo........oooOO0OOooo........oo 92 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 93
74 94