source: trunk/examples/novice/N02/src/ExN02PrimaryGeneratorAction.cc@ 1190

Last change on this file since 1190 was 807, checked in by garnier, 17 years ago

update

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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 *
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9// * include a list of copyright holders. *
10// * *
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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 *
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24// ********************************************************************
25//
26//
27// $Id: ExN02PrimaryGeneratorAction.cc,v 1.7 2006/06/29 17:48:13 gunter Exp $
28// GEANT4 tag $Name: $
29//
30//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32
33#include "ExN02PrimaryGeneratorAction.hh"
34#include "ExN02DetectorConstruction.hh"
35
36#include "G4Event.hh"
37#include "G4ParticleGun.hh"
38#include "G4ParticleTable.hh"
39#include "G4ParticleDefinition.hh"
40#include "globals.hh"
41
42//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43
44ExN02PrimaryGeneratorAction::ExN02PrimaryGeneratorAction(
45 ExN02DetectorConstruction* myDC)
46:myDetector(myDC)
47{
48 G4int n_particle = 1;
49 particleGun = new G4ParticleGun(n_particle);
50
51// default particle
52
53 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
54 G4ParticleDefinition* particle = particleTable->FindParticle("proton");
55
56 particleGun->SetParticleDefinition(particle);
57 particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.));
58 particleGun->SetParticleEnergy(3.0*GeV);
59}
60
61//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
62
63ExN02PrimaryGeneratorAction::~ExN02PrimaryGeneratorAction()
64{
65 delete particleGun;
66}
67
68//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
69
70void ExN02PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
71{
72 G4double position = -0.5*(myDetector->GetWorldFullLength());
73 particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,position));
74
75 particleGun->GeneratePrimaryVertex(anEvent);
76}
77
78//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
79
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