source: trunk/examples/extended/electromagnetic/TestEm2/src/PrimaryGeneratorAction.cc@ 1244

Last change on this file since 1244 was 1230, checked in by garnier, 16 years ago

update to geant4.9.3

File size: 3.3 KB
RevLine 
[807]1//
2// ********************************************************************
3// * License and Disclaimer *
4// * *
5// * The Geant4 software is copyright of the Copyright Holders of *
6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
8// * LICENSE and available at http://cern.ch/geant4/license . These *
9// * include a list of copyright holders. *
10// * *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work make any representation or warranty, express or implied, *
14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
16// * for the full disclaimer and the limitation of liability. *
17// * *
18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
21// * any work based on the software) you agree to acknowledge its *
22// * use in resulting scientific publications, and indicate your *
23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
25//
26// $Id: PrimaryGeneratorAction.cc,v 1.6 2006/06/29 16:50:44 gunter Exp $
[1230]27// GEANT4 tag $Name: geant4-09-03-cand-01 $
[807]28//
29//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
30//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31
32#include "PrimaryGeneratorAction.hh"
33
34#include "DetectorConstruction.hh"
35#include "G4Event.hh"
36#include "G4ParticleTable.hh"
37#include "G4ParticleDefinition.hh"
38
39//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
40
41PrimaryGeneratorAction::PrimaryGeneratorAction (DetectorConstruction* det)
42:detector(det)
43{
44 G4int n_particle = 1;
45 particleGun = new G4ParticleGun(n_particle);
46
47 G4ParticleDefinition* particle
48 = G4ParticleTable::GetParticleTable()->FindParticle("e-");
49 particleGun->SetParticleDefinition(particle);
50 particleGun->SetParticleEnergy(5.*GeV);
51 particleGun->SetParticlePosition(initPos = G4ThreeVector(-1*cm,-1*cm,-1*cm));
52 particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
53}
54
55//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56
57PrimaryGeneratorAction::~PrimaryGeneratorAction()
58{
59 delete particleGun;
60}
61
62//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
63
64void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
65{
66 //this function is called at the begin of event
67 //
68 if (particleGun->GetParticlePosition() == initPos) {
69 G4double position = -0.5*(detector->GetfullLength());
70 particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position));
71 }
72 particleGun->GeneratePrimaryVertex(anEvent);
73}
74
75//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
76
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