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geant4/examples/extended/runAndEvent/RE01/src/RE01PrimaryGeneratorAction.cc
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2016-06-10 14:11:04 +02:00

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//
// ********************************************************************
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//
/// \file runAndEvent/RE01/src/RE01PrimaryGeneratorAction.cc
/// \brief Implementation of the RE01PrimaryGeneratorAction class
//
// $Id: RE01PrimaryGeneratorAction.cc 90679 2015-06-08 07:58:19Z gcosmo $
//
#include "RE01PrimaryGeneratorAction.hh"
#include "RE01PrimaryGeneratorMessenger.hh"
#include "G4Event.hh"
#include "G4HEPEvtInterface.hh"
#include "G4ParticleGun.hh"
#include "G4ParticleTable.hh"
#include "G4ParticleDefinition.hh"
#include "G4SystemOfUnits.hh"
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
RE01PrimaryGeneratorAction::RE01PrimaryGeneratorAction()
: G4VUserPrimaryGeneratorAction(),
fHEPEvt(0), fParticleGun(0), fMessenger(0)
{
const char* filename = "pythia_event.data";
fHEPEvt = new G4HEPEvtInterface(filename);
G4int n_particle = 1;
G4ParticleGun* particleGun = new G4ParticleGun(n_particle);
G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
G4String particleName;
G4ParticleDefinition* particle
= particleTable->FindParticle(particleName="mu+");
particleGun->SetParticleDefinition(particle);
particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,1.,0.));
particleGun->SetParticleEnergy(100.*GeV);
particleGun->SetParticlePosition(G4ThreeVector(0.*cm,0.*cm,0.*cm));
fParticleGun = particleGun;
fMessenger = new RE01PrimaryGeneratorMessenger(this);
fUseHEPEvt = true;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
#include "G4AutoLock.hh"
namespace {
G4Mutex RE01PrimGenDestrMutex = G4MUTEX_INITIALIZER;
G4Mutex RE01PrimGenMutex = G4MUTEX_INITIALIZER;
}
RE01PrimaryGeneratorAction::~RE01PrimaryGeneratorAction()
{
G4AutoLock lock(&RE01PrimGenDestrMutex);
if(fHEPEvt) {delete fHEPEvt; fHEPEvt = 0;}
delete fParticleGun;
delete fMessenger;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void RE01PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
{
if(fUseHEPEvt)
{
G4AutoLock lock(&RE01PrimGenMutex);
fHEPEvt->GeneratePrimaryVertex(anEvent); }
else
{ fParticleGun->GeneratePrimaryVertex(anEvent); }
}