G02/src/G02PrimaryGeneratorAction.cc

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