Download
|
User Forum
|
Contact Us
|
Bug Reports
Home
>
Examples
Loading...
Searching...
No Matches
extended
runAndEvent
RE02
src
RE02PrimaryGeneratorAction.cc
Go to the documentation of this file.
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
/// \file runAndEvent/RE02/src/RE02PrimaryGeneratorAction.cc
27
/// \brief Implementation of the RE02PrimaryGeneratorAction class
28
//
29
//
30
//
31
32
#include "
RE02PrimaryGeneratorAction.hh
"
33
34
#include "G4Event.hh"
35
#include "G4ParticleGun.hh"
36
#include "G4ParticleTable.hh"
37
#include "G4ParticleDefinition.hh"
38
#include "Randomize.hh"
39
#include "globals.hh"
40
#include "G4SystemOfUnits.hh"
41
42
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
43
//
44
RE02PrimaryGeneratorAction::RE02PrimaryGeneratorAction
()
45
:
G4VUserPrimaryGeneratorAction
(),
46
fParticleGun(0)
47
{
48
G4int n_particle = 1;
49
fParticleGun
=
new
G4ParticleGun
(n_particle);
50
51
// default particle
52
G4ParticleTable
* particleTable = G4ParticleTable::GetParticleTable();
53
G4ParticleDefinition
* particle = particleTable->FindParticle(
"proton"
);
54
fParticleGun
->SetParticleDefinition(particle);
55
fParticleGun
->SetParticleMomentumDirection(G4ThreeVector(0.0,0.0,1.));
56
fParticleGun
->SetParticleEnergy(150.0*MeV);
57
//
58
// default beam position
59
G4double
position
= -200./2.*cm;
60
//
61
// Initial beam spot size in sigma.; This is not a part of ParticleGun.
62
fSigmaPosition
= 10.* mm;
63
64
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
65
//
66
fParticleGun
->SetParticlePosition(G4ThreeVector(0.*cm, 0.*cm,
position
));
67
}
68
69
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
70
//
71
RE02PrimaryGeneratorAction::~RE02PrimaryGeneratorAction
()
72
{
73
delete
fParticleGun
;
74
}
75
76
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77
//
78
void
RE02PrimaryGeneratorAction::GeneratePrimaries
(
G4Event
* anEvent)
79
{
80
81
G4ThreeVector
position
=
fParticleGun
->GetParticlePosition();
82
G4double dx = (G4UniformRand()-0.5)*
fSigmaPosition
;
83
G4double dy = (G4UniformRand()-0.5)*
fSigmaPosition
;
84
position
.setX(dx);
85
position
.setY(dy);
86
fParticleGun
->SetParticlePosition(
position
);
87
fParticleGun
->GeneratePrimaryVertex(anEvent);
88
}
RE02PrimaryGeneratorAction.hh
Definition of the RE02PrimaryGeneratorAction class.
G4Event
G4ParticleDefinition
G4ParticleGun
G4ParticleTable
G4VUserPrimaryGeneratorAction
RE02PrimaryGeneratorAction::fSigmaPosition
G4double fSigmaPosition
Definition
RE02PrimaryGeneratorAction.hh:60
RE02PrimaryGeneratorAction::fParticleGun
G4ParticleGun * fParticleGun
Definition
RE02PrimaryGeneratorAction.hh:61
RE02PrimaryGeneratorAction::GeneratePrimaries
virtual void GeneratePrimaries(G4Event *)
Definition
RE02PrimaryGeneratorAction.cc:78
RE02PrimaryGeneratorAction::~RE02PrimaryGeneratorAction
~RE02PrimaryGeneratorAction()
Definition
RE02PrimaryGeneratorAction.cc:71
RE02PrimaryGeneratorAction::RE02PrimaryGeneratorAction
RE02PrimaryGeneratorAction()
Definition
RE02PrimaryGeneratorAction.cc:44
position
Generated on Tue Jan 30 2024 12:18:45 for Geant4 examples by
1.9.8
Applications
|
User Support
|
Publications
|
Collaboration