radiobiology/src/PrimaryGeneratorAction.cc

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0026 //
0027 /// \file radiobiology/src/PrimaryGeneratorAction.cc
0028 /// \brief Implementation of the RadioBio::PrimaryGeneratorAction class
0029
0030 #include "PrimaryGeneratorAction.hh"
0031
0032 #include "G4Event.hh"
0033 #include "G4ParticleDefinition.hh"
0034 #include "G4ParticleTable.hh"
0035 #include "G4SystemOfUnits.hh"
0036
0037 #include "DetectorConstruction.hh"
0038
0039 namespace RadioBio
0040 {
0041
0042 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0043
0044 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
0045   : G4VUserPrimaryGeneratorAction(), fDetector(det)
0046 {
0047   fGPS = new G4GeneralParticleSource();
0048
0049   G4ParticleDefinition* particle = G4ParticleTable::GetParticleTable()->FindParticle("proton");
0050   fGPS->SetParticleDefinition(particle);
0051
0052   // Hard code the primary direction along X
0053   //    and rotate the source
0054   fGPS->GetCurrentSource()->GetPosDist()->SetPosRot1(G4ThreeVector(0, 0, 1));
0055   fGPS->GetCurrentSource()->GetPosDist()->SetPosRot2(G4ThreeVector(0, 1, 0));
0056   fGPS->GetCurrentSource()->GetAngDist()->SetParticleMomentumDirection(G4ThreeVector(1, 0, 0));
0057 }
0058
0059 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0060
0061 PrimaryGeneratorAction::~PrimaryGeneratorAction()
0062 {
0063   delete fGPS;
0064 }
0065
0066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0067
0068 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0069 {
0070   // Hard code position on the side and rotatio on the corrrect axis
0071   fGPS->GetCurrentSource()->GetPosDist()->SetCentreCoords(
0072     G4ThreeVector(-fDetector->GetSizeX() / 2., 0., 0.));
0073
0074   fGPS->GeneratePrimaryVertex(anEvent);
0075 }
0076
0077 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0078
0079 }  // namespace RadioBio