Geant4  10.03.p02
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DicomPrimaryGeneratorAction.cc
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26 // $Id: DicomPrimaryGeneratorAction.cc 101109 2016-11-07 08:14:53Z gcosmo $
27 //
30 //
31 // The code was written by :
32 // *Louis Archambault louis.archambault@phy.ulaval.ca,
33 // *Luc Beaulieu beaulieu@phy.ulaval.ca
34 // +Vincent Hubert-Tremblay at tigre.2@sympatico.ca
35 //
36 //
37 // *Centre Hospitalier Universitaire de Quebec (CHUQ),
38 // Hotel-Dieu de Quebec, departement de Radio-oncologie
39 // 11 cote du palais. Quebec, QC, Canada, G1R 2J6
40 // tel (418) 525-4444 #6720
41 // fax (418) 691 5268
42 //
43 // + Université Laval, Québec (QC) Canada
44 //*******************************************************
46 
47 #include "G4Event.hh"
48 #include "G4ParticleGun.hh"
49 #include "G4ParticleTable.hh"
51 #include "G4ParticleDefinition.hh"
52 #include "G4SystemOfUnits.hh"
53 #include "Randomize.hh"
54 #include "CLHEP/Random/RandFlat.h"
55 
56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
59  fParticleGun(0)
60 {
61  G4int nParticle = 1;
62  fParticleGun = new G4ParticleGun(nParticle);
63 }
64 
65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 {
68  delete fParticleGun;
69 }
70 
71 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
73 {
75  G4String particleName;
76  G4ParticleDefinition* particle
77  = particleTable->FindParticle(particleName="e-");
78  fParticleGun->SetParticleDefinition(particle);
79  // put the e- in the x direction of the patient (z in the accelerator axs)
80  // to hit patient in the central slice of the phantom
81  G4ThreeVector dir(0,0,1);
82  //G4ThreeVector dir(2.*CLHEP::RandFlat::shoot()-1.,
83  //2.*CLHEP::RandFlat::shoot()-1.,-CLHEP::RandFlat::shoot());
84  dir /= dir.mag();
85  fParticleGun->SetParticleMomentumDirection(dir);
86  fParticleGun->SetParticleEnergy(100.*MeV);
87  //put it at SAD = 1 m on xy plane of central slice
88  fParticleGun->SetParticlePosition(G4ThreeVector(0.,0.,-120.));
89  //fParticleGun->SetParticlePosition(G4ThreeVector(0.,0.,-22.));
90  fParticleGun->GeneratePrimaryVertex(anEvent);
91 }
Definition of the DicomRegularDetectorConstruction class.
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
CLHEP::Hep3Vector G4ThreeVector
void SetParticleMomentumDirection(G4ParticleMomentum aMomentumDirection)
int G4int
Definition: G4Types.hh:78
virtual void GeneratePrimaryVertex(G4Event *evt)
void SetParticlePosition(G4ThreeVector aPosition)
Definition of the DicomPrimaryGeneratorAction class.
void SetParticleEnergy(G4double aKineticEnergy)
static G4ParticleTable * GetParticleTable()
static constexpr double MeV
Definition: G4SIunits.hh:214
double mag() const
virtual void GeneratePrimaries(G4Event *)
void SetParticleDefinition(G4ParticleDefinition *aParticleDefinition)