GarfieldG4FastSimulationModel Class Reference

#include <GarfieldG4FastSimulationModel.hh>

Inheritance diagram for GarfieldG4FastSimulationModel:

Public Member Functions
	GarfieldG4FastSimulationModel (G4String, G4Region *)
	GarfieldG4FastSimulationModel (G4String)
	~GarfieldG4FastSimulationModel ()
void	SetPhysics (GarfieldPhysics *fGarfieldPhysics)
void	WriteGeometryToGDML (G4VPhysicalVolume *physicalVolume)
virtual G4bool	IsApplicable (const G4ParticleDefinition &)
virtual G4bool	ModelTrigger (const G4FastTrack &)
virtual void	DoIt (const G4FastTrack &, G4FastStep &)

Detailed Description

Definition at line 39 of file GarfieldG4FastSimulationModel.hh.

Constructor & Destructor Documentation

GarfieldG4FastSimulationModel() [1/2]

GarfieldG4FastSimulationModel::GarfieldG4FastSimulationModel	(	G4String	modelName,
		G4Region *	envelope )

Definition at line 39 of file GarfieldG4FastSimulationModel.cc.

    : G4VFastSimulationModel(modelName, envelope) {
  fGarfieldPhysics = GarfieldPhysics::GetInstance();
  fGarfieldPhysics->InitializePhysics();
}

GarfieldG4FastSimulationModel() [2/2]

GarfieldG4FastSimulationModel::GarfieldG4FastSimulationModel

(

G4String

modelName

)

Definition at line 46 of file GarfieldG4FastSimulationModel.cc.

    : G4VFastSimulationModel(modelName) {
  fGarfieldPhysics = GarfieldPhysics::GetInstance();
  fGarfieldPhysics->InitializePhysics();
}

~GarfieldG4FastSimulationModel()

GarfieldG4FastSimulationModel::~GarfieldG4FastSimulationModel

(

)

Definition at line 52 of file GarfieldG4FastSimulationModel.cc.

{}

Member Function Documentation

DoIt()

void GarfieldG4FastSimulationModel::DoIt ( const G4FastTrack & fastTrack, G4FastStep & fastStep )

virtual

Definition at line 83 of file GarfieldG4FastSimulationModel.cc.

                                                               {
 
  G4ThreeVector localdir = fastTrack.GetPrimaryTrackLocalDirection();
  G4ThreeVector localpos = fastTrack.GetPrimaryTrackLocalPosition();
 
  double ekin_MeV = fastTrack.GetPrimaryTrack()->GetKineticEnergy() / MeV;
  double globalTime = fastTrack.GetPrimaryTrack()->GetGlobalTime();
 
  G4String particleName =
      fastTrack.GetPrimaryTrack()->GetParticleDefinition()->GetParticleName();
 
  fastStep.KillPrimaryTrack();
  fastStep.SetPrimaryTrackPathLength(0.0);
 
  if (particleName == "kaon+") {
    particleName = "K+";
  } else if (particleName == "kaon-") {
    particleName = "K-";
  } else if (particleName == "anti_proton") {
    particleName = "anti-proton";
  }
 
  fGarfieldPhysics->DoIt(
      particleName, ekin_MeV, globalTime, localpos.x() / CLHEP::cm,
      localpos.y() / CLHEP::cm, localpos.z() / CLHEP::cm,
      localdir.x(), localdir.y(), localdir.z());
 
  fastStep.SetTotalEnergyDeposited(fGarfieldPhysics->GetEnergyDeposit_MeV());
 
  if (!fGarfieldPhysics->GetCreateSecondariesInGeant4()) return;
  const auto& secondaryParticles = fGarfieldPhysics->GetSecondaryParticles();
 
  if (secondaryParticles.empty()) return;
  fastStep.SetNumberOfSecondaryTracks(secondaryParticles.size());
 
  G4double totalEnergySecondaries_MeV = 0.;
 
  for (const auto& sp : secondaryParticles) {
    G4double eKin_MeV = sp.getEkin_MeV();
    G4double time = sp.getTime();
    G4ThreeVector momentumDirection(sp.getDX(), sp.getDY(), sp.getDZ());
    G4ThreeVector position(sp.getX_mm(), sp.getY_mm(), sp.getZ_mm());
    if (sp.getParticleName() == "e-") {
      G4DynamicParticle particle(G4Electron::ElectronDefinition(),
                                 momentumDirection, eKin_MeV);
      fastStep.CreateSecondaryTrack(particle, position, time, true);
      totalEnergySecondaries_MeV += eKin_MeV;
    } else if (sp.getParticleName() == "gamma") {
       G4DynamicParticle particle(G4Gamma::GammaDefinition(),
                                  momentumDirection, eKin_MeV);
      fastStep.CreateSecondaryTrack(particle, position, time, true);
      totalEnergySecondaries_MeV += eKin_MeV;
    }
  }
  
}

IsApplicable()

G4bool GarfieldG4FastSimulationModel::IsApplicable ( const G4ParticleDefinition & particleType )

virtual

Definition at line 62 of file GarfieldG4FastSimulationModel.cc.

                                              {
  G4String particleName = particleType.GetParticleName();
  if (fGarfieldPhysics->FindParticleName(particleName, "garfield")) {
    return true;
  }
  return false;
}

ModelTrigger()

G4bool GarfieldG4FastSimulationModel::ModelTrigger ( const G4FastTrack & fastTrack )

virtual

Definition at line 71 of file GarfieldG4FastSimulationModel.cc.

                                  {
  double ekin_MeV = fastTrack.GetPrimaryTrack()->GetKineticEnergy() / MeV;
  G4String particleName =
      fastTrack.GetPrimaryTrack()->GetParticleDefinition()->GetParticleName();
  if (fGarfieldPhysics->FindParticleNameEnergy(particleName, ekin_MeV,
                                               "garfield")) {
    return true;
  }
  return false;
}

SetPhysics()

void GarfieldG4FastSimulationModel::SetPhysics

(

GarfieldPhysics *

fGarfieldPhysics

)

WriteGeometryToGDML()

void GarfieldG4FastSimulationModel::WriteGeometryToGDML

(

G4VPhysicalVolume *

physicalVolume

)

Definition at line 54 of file GarfieldG4FastSimulationModel.cc.

                                       {
  G4GDMLParser* parser = new G4GDMLParser();
  remove("garfieldGeometry.gdml");
  parser->Write("garfieldGeometry.gdml", physicalVolume, false);
  delete parser;
}

---

The documentation for this class was generated from the following files:

• GarfieldG4FastSimulationModel.hh
• GarfieldG4FastSimulationModel.cc