G03/src/G03PrimaryGeneratorAction.cc

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0025 //
0026 /// \file persistency/gdml/G03/src/G03PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the G03PrimaryGeneratorAction class
0028 //
0029 //
0030 //
0031 // Class G03PrimaryGeneratorAction implementation
0032 //
0033 // ----------------------------------------------------------------------------
0034
0035 #include "G03PrimaryGeneratorAction.hh"
0036
0037 #include "G4ParticleDefinition.hh"
0038 #include "G4SystemOfUnits.hh"
0039 #include "globals.hh"
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 G03PrimaryGeneratorAction::G03PrimaryGeneratorAction()
0044   : G4VUserPrimaryGeneratorAction(), fParticleGun(0), fParticleTable(0)
0045 {
0046   // Particle gun and particle table
0047   //
0048   fParticleGun = new G4ParticleGun();
0049   fParticleTable = G4ParticleTable::GetParticleTable();
0050
0051   // Default particle
0052   //
0053   fParticleGun->SetParticleDefinition(fParticleTable->FindParticle("geantino"));
0054   fParticleGun->SetParticleEnergy(1.0 * MeV);
0055
0056   G4ThreeVector err1 = G4ThreeVector(-1260, -560, 40);  // outside
0057   G4ThreeVector err2 = G4ThreeVector(100, -240, 120);  // inside
0058   G4ThreeVector err2v = (err2 - err1).unit();
0059
0060   fParticleGun->SetParticleMomentumDirection(err2v);
0061   fParticleGun->SetParticlePosition(err1);
0062 }
0063
0064 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0065
0066 G03PrimaryGeneratorAction::~G03PrimaryGeneratorAction()
0067 {
0068   delete fParticleGun;
0069 }
0070
0071 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0072
0073 void G03PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0074 {
0075   fParticleGun->GeneratePrimaryVertex(anEvent);
0076 }