ExExChUserActionInitialization.cc

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#ifdef G4MULTITHREADED
#include "ExExChUserActionInitialization.hh"
#include "ExExChPrimaryGeneratorAction.hh"
#include "ExExChTrackingAction.hh"
#include "ExExChStackingAction.hh"
#include "ExExChEventAction.hh"
#include "ExExChRunAction.hh"
#include "G4GeneralParticleSource.hh"
#include "G4ParticleTable.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
ExExChUserActionInitialization::ExExChUserActionInitialization() {
    //GPS is special: it is thread-private,
    //but underlying parameters and objects governing
    //the distributions are shared among threads.
    //We need to be sure that the defaults are set only once by master
    masterGPS = new G4GeneralParticleSource();
    masterGPS->SetParticleDefinition(G4ParticleTable::
                        GetParticleTable()->FindParticle("proton"));

    // Position distribution
    G4SPSPosDistribution *vPosDist =
        masterGPS->GetCurrentSource()->GetPosDist();
    vPosDist->SetPosDisType("Beam");
    vPosDist->SetPosDisShape("Circle");
    vPosDist->SetCentreCoords(G4ThreeVector(0.,0.,-1.05 * CLHEP::meter));
    vPosDist->SetBeamSigmaInR(0.0 * CLHEP::mm);

    // Angular distribution
    G4SPSAngDistribution *vAngDist =
        masterGPS->GetCurrentSource()->GetAngDist();
    vAngDist->DefineAngRefAxes("angref1",G4ThreeVector(1.,0.,0));
    vAngDist->DefineAngRefAxes("angref2",G4ThreeVector(0.,-1.,0));
    vAngDist->SetAngDistType("beam2d");
    vAngDist->SetBeamSigmaInAngX(13.36E-6 * CLHEP::rad);
    vAngDist->SetBeamSigmaInAngY(11.25E-6 * CLHEP::rad);

    // Energy distribution
    G4SPSEneDistribution *vEneDist =
        masterGPS->GetCurrentSource()->GetEneDist();
    vEneDist->SetEnergyDisType("Mono");
    vEneDist->SetMonoEnergy(400. * CLHEP::GeV);

}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

ExExChUserActionInitialization::~ExExChUserActionInitialization() {
  delete masterGPS;
}
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void ExExChUserActionInitialization::Build() const {
    SetUserAction(new ExExChPrimaryGeneratorAction());
    SetUserAction(new ExExChEventAction());
    SetUserAction(new ExExChStackingAction());
    SetUserAction(new ExExChTrackingAction());
    SetUserAction(new ExExChRunAction());
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

void ExExChUserActionInitialization::BuildForMaster() const {
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
#endif