source: trunk/examples/extended/electromagnetic/TestEm9/src/PrimaryGeneratorAction.cc @ 1230

Last change on this file since 1230 was 1230, checked in by garnier, 14 years ago

update to geant4.9.3

File size: 3.5 KB
Line 
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26//
27// $Id: PrimaryGeneratorAction.cc,v 1.3 2006/06/29 17:03:46 gunter Exp $
28// GEANT4 tag $Name: geant4-09-03-cand-01 $
29//
30//
31/////////////////////////////////////////////////////////////////////////
32//
33// TestEm9: Crystal calorimeter
34//
35// Created: 31.01.03 V.Ivanchenko
36//
37// Modified:
38//
39////////////////////////////////////////////////////////////////////////
40//
41
42//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44
45#include "PrimaryGeneratorAction.hh"
46
47#include "DetectorConstruction.hh"
48
49#include "G4Event.hh"
50#include "G4ParticleTable.hh"
51#include "G4ParticleDefinition.hh"
52#include "HistoManager.hh"
53
54//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55
56PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
57:detector(det)
58{
59  G4int n_particle = 1;
60  particleGun  = new G4ParticleGun(n_particle);
61
62  G4ParticleDefinition* particle
63                 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
64  particleGun->SetParticleDefinition(particle);
65  particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
66  particleGun->SetParticleEnergy(1.*GeV);
67}
68
69//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
70
71PrimaryGeneratorAction::~PrimaryGeneratorAction()
72{
73  delete particleGun;
74}
75
76//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77
78void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
79{
80  G4double zVertex = - (detector->GetWorldSizeZ());
81  particleGun->SetParticlePosition(G4ThreeVector(0.,0.,zVertex));
82  if(anEvent->GetEventID() == 1)
83    (HistoManager::GetPointer())->SetBeamEnergy(particleGun->GetParticleEnergy());
84  particleGun->GeneratePrimaryVertex(anEvent);
85}
86
87//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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