TestEm8/src/PrimaryGeneratorAction.cc

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0026 /// \file PrimaryGeneratorAction.cc
0027 /// \brief Implementation of the PrimaryGeneratorAction class
0028
0029 /////////////////////////////////////////////////////////////////////////
0030 //
0031 // TestEm8: Gaseous detector
0032 //
0033 // Created: 31.08.2010 V.Ivanchenko
0034 //
0035 // Modified:
0036 //
0037 ////////////////////////////////////////////////////////////////////////
0038 //
0039
0040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 #include "PrimaryGeneratorAction.hh"
0044
0045 #include "TestParameters.hh"
0046
0047 #include "G4Electron.hh"
0048 #include "G4Event.hh"
0049 #include "G4SystemOfUnits.hh"
0050
0051 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0052
0053 PrimaryGeneratorAction::PrimaryGeneratorAction()
0054 {
0055   fParticleGun = new G4ParticleGun(1);
0056   fParticleGun->SetParticleDefinition(G4Electron::Electron());
0057   fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.));
0058   fParticleGun->SetParticleEnergy(1. * GeV);
0059   fParam = TestParameters::GetPointer();
0060 }
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063
0064 PrimaryGeneratorAction::~PrimaryGeneratorAction()
0065 {
0066   delete fParticleGun;
0067 }
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0070
0071 void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
0072 {
0073   G4double z = fParam->GetPositionZ();
0074   fParam->SetBeamParticle(fParticleGun->GetParticleDefinition());
0075   fParam->SetBeamEnergy(fParticleGun->GetParticleEnergy());
0076   fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., z));
0077   fParticleGun->GeneratePrimaryVertex(anEvent);
0078 }
0079
0080 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......