G02/src/G02PrimaryGeneratorAction.cc

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0025 //
0026 /// \file persistency/gdml/G02/src/G02PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the G02PrimaryGeneratorAction class
0028 //
0029 //
0030 //
0031 // Class G02PrimaryGeneratorAction implementation
0032 //
0033 // ----------------------------------------------------------------------------
0034
0035 #include "G02PrimaryGeneratorAction.hh"
0036
0037 #include "G4ParticleDefinition.hh"
0038 #include "G4SystemOfUnits.hh"
0039 #include "globals.hh"
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 G02PrimaryGeneratorAction::G02PrimaryGeneratorAction()
0044   : G4VUserPrimaryGeneratorAction(), fParticleGun(0), fParticleTable(0)
0045
0046 {
0047   // Particle gun and particle table
0048   //
0049   fParticleGun = new G4ParticleGun();
0050   fParticleTable = G4ParticleTable::GetParticleTable();
0051
0052   // Default particle
0053   //
0054   fParticleGun->SetParticleDefinition(fParticleTable->FindParticle("geantino"));
0055   fParticleGun->SetParticleEnergy(1.0 * MeV);
0056
0057   G4ThreeVector err1 = G4ThreeVector(-1260, -560, 40);  // outside
0058   G4ThreeVector err2 = G4ThreeVector(100, -240, 120);  // inside
0059   G4ThreeVector err2v = (err2 - err1).unit();
0060
0061   fParticleGun->SetParticleMomentumDirection(err2v);
0062   fParticleGun->SetParticlePosition(err1);
0063 }
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0066
0067 G02PrimaryGeneratorAction::~G02PrimaryGeneratorAction()
0068 {
0069   delete fParticleGun;
0070 }
0071
0072 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0073
0074 void G02PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0075 {
0076   fParticleGun->GeneratePrimaryVertex(anEvent);
0077 }