Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/extended/medical/radiobiology/src/PrimaryGeneratorAction.cc

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 26 //
 27 /// \file radiobiology/src/PrimaryGeneratorAction.cc
 28 /// \brief Implementation of the RadioBio::PrimaryGeneratorAction class
 29 
 30 #include "PrimaryGeneratorAction.hh"
 31 
 32 #include "G4Event.hh"
 33 #include "G4ParticleDefinition.hh"
 34 #include "G4ParticleTable.hh"
 35 #include "G4SystemOfUnits.hh"
 36 
 37 #include "DetectorConstruction.hh"
 38 
 39 namespace RadioBio
 40 {
 41 
 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 43 
 44 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
 45   : G4VUserPrimaryGeneratorAction(), fDetector(det)
 46 {
 47   fGPS = new G4GeneralParticleSource();
 48 
 49   G4ParticleDefinition* particle = G4ParticleTable::GetParticleTable()->FindParticle("proton");
 50   fGPS->SetParticleDefinition(particle);
 51 
 52   // Hard code the primary direction along X
 53   //    and rotate the source
 54   fGPS->GetCurrentSource()->GetPosDist()->SetPosRot1(G4ThreeVector(0, 0, 1));
 55   fGPS->GetCurrentSource()->GetPosDist()->SetPosRot2(G4ThreeVector(0, 1, 0));
 56   fGPS->GetCurrentSource()->GetAngDist()->SetParticleMomentumDirection(G4ThreeVector(1, 0, 0));
 57 }
 58 
 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 60 
 61 PrimaryGeneratorAction::~PrimaryGeneratorAction()
 62 {
 63   delete fGPS;
 64 }
 65 
 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 67 
 68 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
 69 {
 70   // Hard code position on the side and rotatio on the corrrect axis
 71   fGPS->GetCurrentSource()->GetPosDist()->SetCentreCoords(
 72     G4ThreeVector(-fDetector->GetSizeX() / 2., 0., 0.));
 73 
 74   fGPS->GeneratePrimaryVertex(anEvent);
 75 }
 76 
 77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 78 
 79 }  // namespace RadioBio