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1 // 1
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26 //
27 /// \file medical/DICOM/src/DicomPrimaryGenera
28 /// \brief Implementation of the DicomPrimaryG
29 //
30 // The code was written by :
31 // *Louis Archambault louis.archambault@p
32 // *Luc Beaulieu beaulieu@phy.ulaval.ca
33 // +Vincent Hubert-Tremblay at tigre.2@sy
34 //
35 //
36 // *Centre Hospitalier Universitaire de Quebec
37 // Hotel-Dieu de Quebec, departement de Radio-
38 // 11 cote du palais. Quebec, QC, Canada, G1R
39 // tel (418) 525-4444 #6720
40 // fax (418) 691 5268
41 //
42 // + Université Laval, Québec (QC) Canada
43 //********************************************
44 #include "DicomPrimaryGeneratorAction.hh"
45
46 #include "CLHEP/Random/RandFlat.h"
47 #include "DicomRegularDetectorConstruction.hh"
48
49 #include "G4Event.hh"
50 #include "G4ParticleDefinition.hh"
51 #include "G4ParticleGun.hh"
52 #include "G4ParticleTable.hh"
53 #include "G4SystemOfUnits.hh"
54 #include "Randomize.hh"
55
56 //....oooOO0OOooo........oooOO0OOooo........oo
57 DicomPrimaryGeneratorAction::DicomPrimaryGener
58 : G4VUserPrimaryGeneratorAction(), fParticle
59 {
60 G4int nParticle = 1;
61 fParticleGun = new G4ParticleGun(nParticle);
62 }
63
64 //....oooOO0OOooo........oooOO0OOooo........oo
65 DicomPrimaryGeneratorAction::~DicomPrimaryGene
66 {
67 delete fParticleGun;
68 }
69
70 //....oooOO0OOooo........oooOO0OOooo........oo
71 void DicomPrimaryGeneratorAction::GeneratePrim
72 {
73 G4ParticleTable* particleTable = G4ParticleT
74 G4String particleName;
75 G4ParticleDefinition* particle = particleTab
76 fParticleGun->SetParticleDefinition(particle
77 // put the e- in the x direction of the pati
78 // to hit patient in the central slice of th
79 G4ThreeVector dir(0, 0, 1);
80 // G4ThreeVector dir(2.*CLHEP::RandFlat::sho
81 // 2.*CLHEP::RandFlat::shoot()-1.,-CLHEP::Ra
82 dir /= dir.mag();
83 fParticleGun->SetParticleMomentumDirection(d
84 fParticleGun->SetParticleEnergy(100. * MeV);
85 // put it at SAD = 1 m on xy plane of centra
86 fParticleGun->SetParticlePosition(G4ThreeVec
87 // fParticleGun->SetParticlePosition(G4Three
88 fParticleGun->GeneratePrimaryVertex(anEvent)
89 }
90