| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25 //
26 // This example is provided by the Geant4-DNA
27 // Any report or published results obtained us
28 // and the DNA geometry given in the Geom_DNA
29 // shall cite the following Geant4-DNA collabo
30 // [1] NIM B 298 (2013) 47-54
31 // [2] Med. Phys. 37 (2010) 4692-4708
32 // The Geant4-DNA web site is available at htt
33 //
34 //....oooOO0OOooo........oooOO0OOooo........oo
35 /// \file PrimaryGeneratorAction.cc
36 /// \brief Implementation of the PrimaryGenera
37
38 #include "PrimaryGeneratorAction.hh"
39
40 #include "G4SystemOfUnits.hh"
41 #include "Randomize.hh"
42
43 //....oooOO0OOooo........oooOO0OOooo........oo
44
45 PrimaryGeneratorAction::PrimaryGeneratorAction
46 {
47 G4int n_particle = 1;
48 fpParticleGun = new G4ParticleGun(n_particle
49
50 // default gun parameters
51 fpParticleGun->SetParticleEnergy(1. * keV);
52 fpParticleGun->SetParticleMomentumDirection(
53 }
54
55 //....oooOO0OOooo........oooOO0OOooo........oo
56
57 PrimaryGeneratorAction::~PrimaryGeneratorActio
58 {
59 delete fpParticleGun;
60 }
61
62 //....oooOO0OOooo........oooOO0OOooo........oo
63
64 void PrimaryGeneratorAction::GeneratePrimaries
65 {
66 G4double x0, y0, z0;
67
68 x0 = ((16.0 * G4UniformRand()) - 8.0) * micr
69 y0 = ((8.0 * G4UniformRand()) - 4.0) * micro
70 z0 = -2.99 * micrometer;
71 fpParticleGun->SetParticlePosition(G4ThreeVe
72 fpParticleGun->GeneratePrimaryVertex(anEvent
73 }
74