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Public Member Functions | Public Attributes | Private Member Functions | Private Attributes

SteppingAction Class Reference

#include <SteppingAction.h>

List of all members.

Public Member Functions

 SteppingAction (EventAction *ea, const edm::ParameterSet &ps)
void UserSteppingAction (const G4Step *aStep)
 ~SteppingAction ()

Public Attributes

SimActivityRegistry::G4StepSignal m_g4StepSignal

Private Member Functions

bool catchLongLived (const G4Step *aStep)
void catchLowEnergyInVacuumHere (const G4Step *aStep)
void catchLowEnergyInVacuumNext (const G4Step *aStep)
bool initPointer ()
bool isThisVolume (const G4VTouchable *touch, G4VPhysicalVolume *pv)
bool killLowEnergy (const G4Step *aStep)
void killTrack (const G4Step *aStep)

Private Attributes

G4VPhysicalVolume * calo
std::vector< double > ekinMins
std::vector< std::string > ekinNames
std::vector< std::string > ekinParticles
std::vector< int > ekinPDG
std::vector< G4LogicalVolume * > ekinVolumes
EventActioneventAction_
bool initialized
bool killBeamPipe
std::vector< std::string > maxTimeNames
std::vector< G4Region * > maxTimeRegions
double maxTrackTime
std::vector< double > maxTrackTimes
double theCriticalDensity
double theCriticalEnergyForVacuum
G4VPhysicalVolume * tracker
int verbose

Detailed Description

Definition at line 18 of file SteppingAction.h.


Constructor & Destructor Documentation

SteppingAction::SteppingAction ( EventAction ea,
const edm::ParameterSet ps 
)

Definition at line 13 of file SteppingAction.cc.

References ekinMins, ekinNames, ekinParticles, g, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), i, killBeamPipe, maxTimeNames, maxTrackTime, maxTrackTimes, theCriticalDensity, and theCriticalEnergyForVacuum.

  : eventAction_(e), initialized(false), tracker(0), calo(0) {

  killBeamPipe = (p.getParameter<bool>("KillBeamPipe"));
  theCriticalEnergyForVacuum = (p.getParameter<double>("CriticalEnergyForVacuum")*MeV);
  theCriticalDensity = (p.getParameter<double>("CriticalDensity")*g/cm3);
  maxTrackTime  = (p.getParameter<double>("MaxTrackTime")*ns);
  maxTrackTimes = (p.getParameter<std::vector<double> >("MaxTrackTimes"));
  maxTimeNames  = (p.getParameter<std::vector<std::string> >("MaxTimeNames"));
  ekinMins      = (p.getParameter<std::vector<double> >("EkinThresholds"));
  ekinNames     = (p.getParameter<std::vector<std::string> >("EkinNames"));
  ekinParticles = (p.getParameter<std::vector<std::string> >("EkinParticles"));
  verbose       = (p.getUntrackedParameter<int>("Verbosity",0));

  edm::LogInfo("SimG4CoreApplication") << "SteppingAction:: KillBeamPipe = "
                                       << killBeamPipe << " CriticalDensity = "
                                       << theCriticalDensity << " g/cc;"
                                       << " CriticalEnergyForVacuum = "
                                       << theCriticalEnergyForVacuum << " Mev;"
                                       << " MaxTrackTime = " << maxTrackTime 
                                       << " ns";
  for (unsigned int i=0; i<maxTrackTimes.size(); i++) {
    maxTrackTimes[i] *= ns;
    edm::LogInfo("SimG4CoreApplication") << "SteppingAction::MaxTrackTime for "
                                         << maxTimeNames[i] << " is " 
                                         << maxTrackTimes[i];
  }
  edm::LogInfo("SimG4CoreApplication") << "SteppingAction::Kill following "
                                       << ekinParticles.size() 
                                       << " particles in " << ekinNames.size()
                                       << " volumes";
  for (unsigned int i=0; i<ekinParticles.size(); i++) {
    ekinMins[i] *= GeV;
    edm::LogInfo("SimG4CoreApplication") << "SteppingAction::Particle " << i
                                         << " " << ekinParticles[i]
                                         << " (Threshold = " << ekinMins[i]
                                         << " MeV)";
  }
  for (unsigned int i=0; i<ekinNames.size(); i++) 
    edm::LogInfo("SimG4CoreApplication") << "SteppingAction::Volume[" << i
                                         << "] = " << ekinNames[i];
}
SteppingAction::~SteppingAction ( )

Definition at line 56 of file SteppingAction.cc.

{}

Member Function Documentation

bool SteppingAction::catchLongLived ( const G4Step *  aStep) [private]

Definition at line 133 of file SteppingAction.cc.

References i, killTrack(), maxTimeRegions, maxTrackTime, maxTrackTimes, and cond::rpcobgas::time.

Referenced by UserSteppingAction().

                                                        {

  bool flag   = true;
  double time = (aStep->GetPostStepPoint()->GetGlobalTime())/nanosecond;
  double tofM = maxTrackTime;
  if (maxTimeRegions.size() > 0) {
    G4Region* reg = aStep->GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume()->GetRegion();
    for (unsigned int i=0; i<maxTimeRegions.size(); i++) {
      if (reg == maxTimeRegions[i]) {
        tofM = maxTrackTimes[i];
        break;
      }
    }
  }
  if (time > tofM) {
    killTrack(aStep);
    flag = false;
  }
  return flag;
}
void SteppingAction::catchLowEnergyInVacuumHere ( const G4Step *  aStep) [private]

Definition at line 92 of file SteppingAction.cc.

References g.

Referenced by UserSteppingAction().

                                                                    {
  G4Track * theTrack = aStep->GetTrack();
  double theKenergy = theTrack->GetKineticEnergy();
  if (theTrack->GetVolume()!=0) {
    double density = theTrack->GetVolume()->GetLogicalVolume()->GetMaterial()->GetDensity();
    if (theKenergy <= theCriticalEnergyForVacuum && theKenergy > 0.0 &&
        density <= theCriticalDensity && theTrack->GetDefinition()->GetPDGCharge() != 0 &&
        theTrack->GetTrackStatus() != fStopAndKill) {
      if (verbose>1)
        edm::LogInfo("SimG4CoreApplication") 
          <<   " SteppingAction: LoopCatchSteppingAction:catchLowEnergyInVacuumHere: "
          << " Track from " << theTrack->GetDefinition()->GetParticleName()
          << " of kinetic energy " << theKenergy/MeV << " MeV "
          << " killed in " << theTrack->GetVolume()->GetLogicalVolume()->GetName()
          << " of density " << density/(g/cm3) << " g/cm3" ;
      theTrack->SetTrackStatus(fStopAndKill);
    }
  }
}
void SteppingAction::catchLowEnergyInVacuumNext ( const G4Step *  aStep) [private]

Definition at line 112 of file SteppingAction.cc.

References g.

Referenced by UserSteppingAction().

                                                                    {
  G4Track * theTrack = aStep->GetTrack();
  double theKenergy = theTrack->GetKineticEnergy();
  if (theTrack->GetNextVolume()) {
    double density = theTrack->GetNextVolume()->GetLogicalVolume()->GetMaterial()->GetDensity();
    if (theKenergy <=  theCriticalEnergyForVacuum && theKenergy > 0.0 &&
        density <= theCriticalDensity && theTrack->GetDefinition()->GetPDGCharge() != 0 &&
        theTrack->GetTrackStatus() != fStopAndKill) {
      if (verbose>1)
        edm::LogInfo("SimG4CoreApplication") 
          << " SteppingAction: LoopCatchSteppingAction::catchLowEnergyInVacuumNext: "
          << " Track from " << theTrack->GetDefinition()->GetParticleName()
          << " of kinetic energy " << theKenergy/MeV << " MeV "
          << " stopped in " << theTrack->GetVolume()->GetLogicalVolume()->GetName()
          << " before going into "<< theTrack->GetNextVolume()->GetLogicalVolume()->GetName()
          << " of density " << density/(g/cm3) << " g/cm3" ;
      theTrack->SetTrackStatus(fStopButAlive);
    }
  }
}
bool SteppingAction::initPointer ( ) [private]

Definition at line 186 of file SteppingAction.cc.

References calo, ekinMins, ekinNames, ekinParticles, ekinPDG, ekinVolumes, i, LogDebug, maxTimeNames, maxTimeRegions, maxTrackTimes, mergeVDriftHistosByStation::name, and tracker.

Referenced by UserSteppingAction().

                                 {

  bool flag = true;
  const G4PhysicalVolumeStore * pvs = G4PhysicalVolumeStore::GetInstance();
  if (pvs) {
    std::vector<G4VPhysicalVolume*>::const_iterator pvcite;
    for (pvcite = pvs->begin(); pvcite != pvs->end(); pvcite++) {
      if ((*pvcite)->GetName() == "Tracker") tracker = (*pvcite);
      if ((*pvcite)->GetName() == "CALO")    calo    = (*pvcite);
      if (tracker && calo) break;
    }
    edm::LogInfo("SimG4CoreApplication") << "Pointer for Tracker " << tracker
                                         << " and for Calo " << calo;
    if (tracker) LogDebug("SimG4CoreApplication") << "Tracker vol name "
                                                  << tracker->GetName();
    if (calo)    LogDebug("SimG4CoreApplication") << "Calorimeter vol name "
                                                  << calo->GetName();
  } else {
    flag = false;
  }

  const G4LogicalVolumeStore * lvs = G4LogicalVolumeStore::GetInstance();
  unsigned int num = ekinNames.size();
  if (num > 0) {
    if (lvs) {
      std::vector<G4LogicalVolume*>::const_iterator lvcite;
      for (lvcite = lvs->begin(); lvcite != lvs->end(); lvcite++) {
        for (unsigned int i=0; i<num; i++) {
          if ((*lvcite)->GetName() == (G4String)(ekinNames[i])) {
            ekinVolumes.push_back(*lvcite);
            break;
          }
        }
        if (ekinVolumes.size() == num) break;
      }
    }
    if (ekinVolumes.size() != num) flag = false;
    for (unsigned int i=0; i<ekinVolumes.size(); i++) {
      edm::LogInfo("SimG4CoreApplication") << ekinVolumes[i]->GetName()
                                           <<" with pointer " <<ekinVolumes[i];
    }
  }

  G4ParticleTable * theParticleTable = G4ParticleTable::GetParticleTable();
  G4String particleName;
  for (unsigned int i=0; i<ekinParticles.size(); i++) {
    int pdg = theParticleTable->FindParticle(particleName=ekinParticles[i])->GetPDGEncoding();
    ekinPDG.push_back(pdg);
    edm::LogInfo("SimG4CoreApplication") << "Particle " << ekinParticles[i]
                                         << " with code " << ekinPDG[i]
                                         << " and KE cut off " << ekinMins[i];
  }
  if (!flag) edm::LogInfo("SimG4CoreApplication") << "SteppingAction fails to"
                                                  << " initialize some the "
                                                  << "LV pointers correctly";

  const G4RegionStore * rs = G4RegionStore::GetInstance();
  num = maxTimeNames.size();
  if (num > 0) {
    std::vector<double> tofs;
    if (rs) {
      std::vector<G4Region*>::const_iterator rcite;
      for (rcite = rs->begin(); rcite != rs->end(); rcite++) {
        for (unsigned int i=0; i<num; i++) {
          if ((*rcite)->GetName() == (G4String)(maxTimeNames[i])) {
            maxTimeRegions.push_back(*rcite);
            tofs.push_back(maxTrackTimes[i]);
            break;
          }
        }
        if (tofs.size() == num) break;
      }
    }
    for (unsigned int i=0; i<tofs.size(); i++) {
      maxTrackTimes[i] = tofs[i];
      G4String name = "Unknown";
      if (maxTimeRegions[i]) name = maxTimeRegions[i]->GetName();
      edm::LogInfo("SimG4CoreApplication") << name << " with pointer " 
                                           << maxTimeRegions[i]<<" KE cut off "
                                           << maxTrackTimes[i];
    }
    if (tofs.size() != num) 
      edm::LogInfo("SimG4CoreApplication") << "SteppingAction fails to "
                                           << "initialize some the region "
                                           << "pointers correctly";
  }
  return true;
}
bool SteppingAction::isThisVolume ( const G4VTouchable *  touch,
G4VPhysicalVolume *  pv 
) [private]

Definition at line 275 of file SteppingAction.cc.

References testEve_cfg::level.

Referenced by UserSteppingAction().

                                                         {

  int level = ((touch->GetHistoryDepth())+1);
  if (level > 0 && level >= 3) {
    int ii = level - 3;
    return (touch->GetVolume(ii) == pv);
  }
  return false;
}
bool SteppingAction::killLowEnergy ( const G4Step *  aStep) [private]

Definition at line 154 of file SteppingAction.cc.

References ekinMins, ekinPDG, ekinVolumes, i, killTrack(), and convertSQLiteXML::ok.

                                                       {

  bool ok = true;
  if (ekinVolumes.size() > 0) {
    bool flag = false;
    G4LogicalVolume* lv = aStep->GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume();
    for (unsigned int i=0; i<ekinVolumes.size(); i++) {
      if (lv == ekinVolumes[i]) {
        flag = true;
        break;
      }
    }
    if (flag) {
      G4Track * track = aStep->GetTrack();
      double    ekin  = track->GetKineticEnergy();
      double    ekinM = 0;
      int       pCode = track->GetDefinition()->GetPDGEncoding();
      for (unsigned int i=0; i<ekinPDG.size(); i++) {
        if (pCode == ekinPDG[i]) {
          ekinM = ekinMins[i];
          break;
        }
      }
      if (ekin > ekinM) {
        killTrack(aStep);
        ok = false;
      }
    }
  }
  return ok;
}
void SteppingAction::killTrack ( const G4Step *  aStep) [private]

Definition at line 286 of file SteppingAction.cc.

References GetVolume(), and LogDebug.

Referenced by catchLongLived(), and killLowEnergy().

                                                   {
  
  aStep->GetTrack()->SetTrackStatus(fStopAndKill);
  G4TrackVector tv = *(aStep->GetSecondary());
  for (unsigned int kk=0; kk<tv.size(); kk++) {
    if (tv[kk]->GetVolume() == aStep->GetPreStepPoint()->GetPhysicalVolume())
      tv[kk]->SetTrackStatus(fStopAndKill);
  }
  LogDebug("SimG4CoreApplication") << "SteppingAction: Kills track " 
                                   << aStep->GetTrack()->GetTrackID() << " ("
                                   << aStep->GetTrack()->GetDefinition()->GetParticleName()
                                   << ") at " << aStep->GetPostStepPoint()->GetGlobalTime()/nanosecond 
                                   << " ns in " << aStep->GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume()->GetName()
                                   << " from region " << aStep->GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume()->GetRegion()->GetName();
}
void SteppingAction::UserSteppingAction ( const G4Step *  aStep)

Definition at line 58 of file SteppingAction.cc.

References EventAction::addTkCaloStateInfo(), calo, catchLongLived(), catchLowEnergyInVacuumHere(), catchLowEnergyInVacuumNext(), eventAction_, initialized, initPointer(), isThisVolume(), killBeamPipe, m_g4StepSignal, convertSQLiteXML::ok, AlCaHLTBitMon_ParallelJobs::p, pos, tracker, x, detailsBasic3DVector::y, and z.

                                                            {
  if (!initialized) initialized = initPointer();
  m_g4StepSignal(aStep);

  if (killBeamPipe) {
    catchLowEnergyInVacuumHere(aStep);
    catchLowEnergyInVacuumNext(aStep);
  }

  if (aStep->GetPostStepPoint()->GetPhysicalVolume() != 0) {
    bool ok = catchLongLived(aStep);
    if (ok) ok = catchLongLived(aStep);

    ok = (isThisVolume(aStep->GetPreStepPoint()->GetTouchable(),tracker)&&
          isThisVolume(aStep->GetPostStepPoint()->GetTouchable(),calo));
    if (ok) {

      math::XYZVectorD pos((aStep->GetPreStepPoint()->GetPosition()).x(),
                           (aStep->GetPreStepPoint()->GetPosition()).y(),
                           (aStep->GetPreStepPoint()->GetPosition()).z());
      
      math::XYZTLorentzVectorD mom((aStep->GetPreStepPoint()->GetMomentum()).x(),
                                   (aStep->GetPreStepPoint()->GetMomentum()).y(),
                                   (aStep->GetPreStepPoint()->GetMomentum()).z(),
                                   aStep->GetPreStepPoint()->GetTotalEnergy());
      
      uint32_t id = aStep->GetTrack()->GetTrackID();
      
      std::pair<math::XYZVectorD,math::XYZTLorentzVectorD> p(pos,mom);
      eventAction_->addTkCaloStateInfo(id,p);
    }
  }
}

Member Data Documentation

G4VPhysicalVolume * SteppingAction::calo [private]

Definition at line 37 of file SteppingAction.h.

Referenced by initPointer(), and UserSteppingAction().

std::vector<double> SteppingAction::ekinMins [private]

Definition at line 42 of file SteppingAction.h.

Referenced by initPointer(), killLowEnergy(), and SteppingAction().

std::vector<std::string> SteppingAction::ekinNames [private]

Definition at line 43 of file SteppingAction.h.

Referenced by initPointer(), and SteppingAction().

std::vector<std::string> SteppingAction::ekinParticles [private]

Definition at line 43 of file SteppingAction.h.

Referenced by initPointer(), and SteppingAction().

std::vector<int> SteppingAction::ekinPDG [private]

Definition at line 46 of file SteppingAction.h.

Referenced by initPointer(), and killLowEnergy().

std::vector<G4LogicalVolume*> SteppingAction::ekinVolumes [private]

Definition at line 45 of file SteppingAction.h.

Referenced by initPointer(), and killLowEnergy().

Definition at line 35 of file SteppingAction.h.

Referenced by UserSteppingAction().

Definition at line 36 of file SteppingAction.h.

Referenced by UserSteppingAction().

Definition at line 38 of file SteppingAction.h.

Referenced by SteppingAction(), and UserSteppingAction().

std::vector<std::string> SteppingAction::maxTimeNames [private]

Definition at line 43 of file SteppingAction.h.

Referenced by initPointer(), and SteppingAction().

std::vector<G4Region*> SteppingAction::maxTimeRegions [private]

Definition at line 44 of file SteppingAction.h.

Referenced by catchLongLived(), and initPointer().

double SteppingAction::maxTrackTime [private]

Definition at line 41 of file SteppingAction.h.

Referenced by catchLongLived(), and SteppingAction().

std::vector<double> SteppingAction::maxTrackTimes [private]

Definition at line 42 of file SteppingAction.h.

Referenced by catchLongLived(), initPointer(), and SteppingAction().

Definition at line 40 of file SteppingAction.h.

Referenced by SteppingAction().

Definition at line 39 of file SteppingAction.h.

Referenced by SteppingAction().

G4VPhysicalVolume* SteppingAction::tracker [private]

Definition at line 37 of file SteppingAction.h.

Referenced by initPointer(), and UserSteppingAction().

int SteppingAction::verbose [private]

Definition at line 47 of file SteppingAction.h.