#include <GFlashEMShowerModel.h>

Inheritance diagram for GFlashEMShowerModel:

Public Member Functions
void	DoIt (const G4FastTrack &, G4FastStep &) override

	GFlashEMShowerModel (const G4String &name, G4Envelope *env, const edm::ParameterSet &parSet)

G4bool	IsApplicable (const G4ParticleDefinition &) override

G4bool	ModelTrigger (const G4FastTrack &) override

	~GFlashEMShowerModel () override

Private Member Functions
G4bool	excludeDetectorRegion (const G4FastTrack &fastTrack)

void	makeHits (const G4FastTrack &fastTrack)

void	updateGflashStep (const G4ThreeVector &position, G4double time)

Private Attributes
G4Navigator *	theGflashNavigator

G4Step *	theGflashStep

G4TouchableHandle	theGflashTouchableHandle

edm::ParameterSet	theParSet

GflashEMShowerProfile *	theProfile

const G4Region *	theRegion

bool	theWatcherOn

Detailed Description

Definition at line 29 of file GFlashEMShowerModel.h.

Constructor & Destructor Documentation

GFlashEMShowerModel::GFlashEMShowerModel	(	const G4String &	name,
		G4Envelope *	env,
		const edm::ParameterSet &	parSet
	)

Definition at line 25 of file GFlashEMShowerModel.cc.

References edm::ParameterSet::getParameter(), theGflashNavigator, theGflashStep, theGflashTouchableHandle, theProfile, theRegion, and theWatcherOn.

   : G4VFastSimulationModel(modelName, envelope), theParSet(parSet) 
 {
   theWatcherOn = parSet.getParameter<bool>("watcherOn");
 
   theProfile = new GflashEMShowerProfile(parSet);
   theRegion  = const_cast<const G4Region*>(envelope); 
 
   theGflashStep = new G4Step();
   theGflashTouchableHandle = new G4TouchableHistory();
   theGflashNavigator = new G4Navigator();
 
 }

GFlashEMShowerModel::~GFlashEMShowerModel ( )

override

Definition at line 43 of file GFlashEMShowerModel.cc.

References theGflashStep, and theProfile.

 {
   delete theProfile;
   delete theGflashStep;
 }

Member Function Documentation

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

override

Definition at line 90 of file GFlashEMShowerModel.cc.

References ALCARECOTkAlJpsiMuMu_cff::charge, Gflash::findShowerType(), GeV, GflashEMShowerProfile::initialize(), makeHits(), GflashEMShowerProfile::parameterization(), position, and theProfile.

 {
   // Kill the parameterised particle:
   fastStep.KillPrimaryTrack();
   fastStep.ProposePrimaryTrackPathLength(0.0);
 
   // Input variables for GFlashEMShowerProfile with showerType = 1,5 
   // Shower starts inside crystals
   G4double energy = fastTrack.GetPrimaryTrack()->GetKineticEnergy()/GeV;
   G4double globalTime = 
     fastTrack.GetPrimaryTrack()->GetStep()->GetPostStepPoint()->GetGlobalTime();
   G4double charge = 
     fastTrack.GetPrimaryTrack()->GetStep()->GetPreStepPoint()->GetCharge();
   G4ThreeVector position = fastTrack.GetPrimaryTrack()->GetPosition()/cm;
   G4ThreeVector momentum = fastTrack.GetPrimaryTrack()->GetMomentum()/GeV;
   G4int showerType = Gflash::findShowerType(position);
 
   // Do actual parameterization
   // The result of parameterization is gflashHitList
   theProfile->initialize(showerType,energy,globalTime,charge,
              position,momentum);
   theProfile->parameterization();
 
   // Make hits
   makeHits(fastTrack);
 }

G4bool GFlashEMShowerModel::excludeDetectorRegion ( const G4FastTrack & fastTrack )

private

Definition at line 180 of file GFlashEMShowerModel.cc.

References PVValHelper::eta.

Referenced by ModelTrigger().

 {
   G4bool isExcluded=false;
 
   //exclude regions where geometry are complicated
   //+- one supermodule around the EB/EE boundary: 1.479 +- 0.0174*5 
   G4double eta =   fastTrack.GetPrimaryTrack()->GetPosition().pseudoRapidity();
   if(std::fabs(eta) > 1.392 && std::fabs(eta) < 1.566) { return true; }
 
   return isExcluded;
 }

G4bool GFlashEMShowerModel::IsApplicable ( const G4ParticleDefinition & particleType )

override

Definition at line 50 of file GFlashEMShowerModel.cc.

References nanoDQM_cfi::Electron.

 { 
   return ( &particleType == G4Electron::Electron() ||
        &particleType == G4Positron::Positron() ); 
 }

void GFlashEMShowerModel::makeHits ( const G4FastTrack & fastTrack )

private

Definition at line 119 of file GFlashEMShowerModel.cc.

References GflashEMShowerProfile::getGflashHitList(), SteppingAction::m_g4StepSignal, theGflashNavigator, theGflashStep, theGflashTouchableHandle, theProfile, theRegion, theWatcherOn, and updateGflashStep().

Referenced by DoIt().

 {
   std::vector<GflashHit>& gflashHitList = theProfile->getGflashHitList();
 
   theGflashStep->SetTrack(const_cast<G4Track*>(fastTrack.GetPrimaryTrack()));
 
   theGflashStep->GetPostStepPoint()
     ->SetProcessDefinedStep(const_cast<G4VProcess*>(fastTrack.GetPrimaryTrack()
      ->GetStep()->GetPostStepPoint()->GetProcessDefinedStep()));
   theGflashNavigator->SetWorldVolume(G4TransportationManager::GetTransportationManager()->GetNavigatorForTracking()->GetWorldVolume());
 
   std::vector<GflashHit>::const_iterator spotIter    = gflashHitList.begin();
   std::vector<GflashHit>::const_iterator spotIterEnd = gflashHitList.end();
 
   for(; spotIter != spotIterEnd; spotIter++){
 
     // Put touchable for each hit so that touchable history 
     //     keeps track of each step.
     theGflashNavigator->LocateGlobalPointAndUpdateTouchableHandle(spotIter->getPosition(),
                                   G4ThreeVector(0,0,0),
                                   theGflashTouchableHandle, false);
     updateGflashStep(spotIter->getPosition(),spotIter->getTime());
 
     // If there is a watcher defined in a job and the flag is turned on
     if(theWatcherOn) {
       SteppingAction* userSteppingAction = 
     (SteppingAction*) G4EventManager::GetEventManager()->GetUserSteppingAction();
       userSteppingAction->m_g4StepSignal(theGflashStep);
     }
 
     // Send G4Step information to Hit/Digi if the volume is sensitive
     // Copied from G4SteppingManager.cc
     
     G4VPhysicalVolume* aCurrentVolume = 
       theGflashStep->GetPreStepPoint()->GetPhysicalVolume();
     if( aCurrentVolume == nullptr ) { continue; }
 
     G4LogicalVolume* lv = aCurrentVolume->GetLogicalVolume();
     if(lv->GetRegion() != theRegion) { continue; }
 
     theGflashStep->GetPreStepPoint()->SetSensitiveDetector(aCurrentVolume->GetLogicalVolume()->GetSensitiveDetector());
     G4VSensitiveDetector* aSensitive = theGflashStep->GetPreStepPoint()->GetSensitiveDetector();
       
     if( aSensitive == nullptr ) { continue; }
 
     theGflashStep->SetTotalEnergyDeposit(spotIter->getEnergy());
     aSensitive->Hit(theGflashStep);
   }
 }

G4bool GFlashEMShowerModel::ModelTrigger ( const G4FastTrack & fastTrack )

override

Definition at line 57 of file GFlashEMShowerModel.cc.

References Gflash::energyCutOff, excludeDetectorRegion(), and theRegion.

 {
   // Mininum energy cutoff to parameterize
   if(fastTrack.GetPrimaryTrack()->GetKineticEnergy() < Gflash::energyCutOff) 
     { return false; }
   if(excludeDetectorRegion(fastTrack)) { return false; }
 
   // This will be changed accordingly when the way 
   // dealing with CaloRegion changes later.
   G4TouchableHistory* touch = 
     (G4TouchableHistory*)(fastTrack.GetPrimaryTrack()->GetTouchable());
   G4VPhysicalVolume* pCurrentVolume = touch->GetVolume();
   if( pCurrentVolume == nullptr) { return false; }
 
   G4LogicalVolume* lv = pCurrentVolume->GetLogicalVolume();
   if(lv->GetRegion() != theRegion) { return false; }
   //std::cout << "GFlashEMShowerModel::ModelTrigger: LV " 
   //        << lv->GetRegion()->GetName() << std::endl;
 
   // The parameterization starts inside crystals
   //std::size_t pos1 = lv->GetName().find("EBRY");
   //std::size_t pos2 = lv->GetName().find("EFRY");
   
   //std::size_t pos3 = lv->GetName().find("HVQ");
   //std::size_t pos4 = lv->GetName().find("HF");
   //if(pos1 == std::string::npos && pos2 == std::string::npos &&
   //   pos3 == std::string::npos && pos4 == std::string::npos) return false;
 
   return true;
 
 }

void GFlashEMShowerModel::updateGflashStep	(	const G4ThreeVector &	position,
		G4double	time
	)

private

Definition at line 170 of file GFlashEMShowerModel.cc.

References theGflashStep, and theGflashTouchableHandle.

Referenced by makeHits().

 {
   theGflashStep->GetPostStepPoint()->SetGlobalTime(timeGlobal);
   theGflashStep->GetPreStepPoint()->SetPosition(spotPosition);
   theGflashStep->GetPostStepPoint()->SetPosition(spotPosition);
   theGflashStep->GetPreStepPoint()->SetTouchableHandle(theGflashTouchableHandle);
 }