radiobiology/src/PrimaryGeneratorAction.cc

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0025 //
0026 /// \file PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the RadioBio::PrimaryGeneratorAction class
0028
0029 #include "PrimaryGeneratorAction.hh"
0030
0031 #include "G4Event.hh"
0032 #include "G4ParticleDefinition.hh"
0033 #include "G4ParticleTable.hh"
0034 #include "G4SystemOfUnits.hh"
0035
0036 #include "DetectorConstruction.hh"
0037
0038 namespace RadioBio
0039 {
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 PrimaryGeneratorAction::PrimaryGeneratorAction(DetectorConstruction* det)
0044   : G4VUserPrimaryGeneratorAction(), fDetector(det)
0045 {
0046   fGPS = new G4GeneralParticleSource();
0047
0048   G4ParticleDefinition* particle = G4ParticleTable::GetParticleTable()->FindParticle("proton");
0049   fGPS->SetParticleDefinition(particle);
0050
0051   // Hard code the primary direction along X
0052   //    and rotate the source
0053   fGPS->GetCurrentSource()->GetPosDist()->SetPosRot1(G4ThreeVector(0, 0, 1));
0054   fGPS->GetCurrentSource()->GetPosDist()->SetPosRot2(G4ThreeVector(0, 1, 0));
0055   fGPS->GetCurrentSource()->GetAngDist()->SetParticleMomentumDirection(G4ThreeVector(1, 0, 0));
0056 }
0057
0058 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0059
0060 PrimaryGeneratorAction::~PrimaryGeneratorAction()
0061 {
0062   delete fGPS;
0063 }
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0066
0067 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0068 {
0069   // Hard code position on the side and rotatio on the corrrect axis
0070   fGPS->GetCurrentSource()->GetPosDist()->SetCentreCoords(
0071     G4ThreeVector(-fDetector->GetSizeX() / 2., 0., 0.));
0072
0073   fGPS->GeneratePrimaryVertex(anEvent);
0074 }
0075
0076 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0077
0078 }  // namespace RadioBio