CastorShowerLibrary Class Reference

#include <CastorShowerLibrary.h>

Public Member Functions
	CastorShowerLibrary (const std::string &name, edm::ParameterSet const &p)
int	FindEnergyBin (double)
int	FindEtaBin (double)
int	FindPhiBin (double)
CastorShowerEvent	getShowerHits (const G4Step *, bool &)
	~CastorShowerLibrary ()

Protected Member Functions
void	getRecord (int, int)
void	initFile (edm::ParameterSet const &)
void	loadEventInfo (TBranchObject *)
void	select (int, double, double=0, double=9)

Private Attributes
TBranchObject *	emBranch
CastorShowerLibraryInfo *	eventInfo
TBranchObject *	evtInfo
unsigned int	evtPerBin
TBranchObject *	hadBranch
TFile *	hf
unsigned int	nBinsE
unsigned int	nBinsEta
unsigned int	nBinsPhi
unsigned int	nEvtPerBinE
unsigned int	nEvtPerBinEta
unsigned int	nEvtPerBinPhi
unsigned int	nMomBin
std::vector< double >	pmom
CastorShowerEvent *	showerEvent
std::vector< double >	SLenergies
std::vector< double >	SLetas
std::vector< double >	SLphis
unsigned int	totEvents
bool	verbose

Detailed Description

Definition at line 27 of file CastorShowerLibrary.h.

Constructor & Destructor Documentation

CastorShowerLibrary()

CastorShowerLibrary::CastorShowerLibrary	(	const std::string &	name,
		edm::ParameterSet const &	p
	)

Definition at line 30 of file CastorShowerLibrary.cc.

    : hf(nullptr),
      evtInfo(nullptr),
      emBranch(nullptr),
      hadBranch(nullptr),
      nMomBin(0),
      totEvents(0),
      evtPerBin(0),
      nBinsE(0),
      nBinsEta(0),
      nBinsPhi(0),
      nEvtPerBinE(0),
      nEvtPerBinEta(0),
      nEvtPerBinPhi(0),
      SLenergies(),
      SLetas(),
      SLphis() {
  initFile(p);
}

References initFile(), and AlCaHLTBitMon_ParallelJobs::p.

~CastorShowerLibrary()

CastorShowerLibrary::~CastorShowerLibrary

(

)

Definition at line 52 of file CastorShowerLibrary.cc.

                                          {
  if (hf)
    hf->Close();
}

References hf.

Member Function Documentation

FindEnergyBin()

int CastorShowerLibrary::FindEnergyBin

(

double

energy

)

Definition at line 329 of file CastorShowerLibrary.cc.

                                                    {
  //
  // returns the integer index of the energy bin, taken from SLenergies vector
  // returns -1 if ouside valid range
  //
  if (energy >= SLenergies.back())
    return SLenergies.size() - 1;
 
  unsigned int i = 0;
  for (; i < SLenergies.size() - 1; i++)
    if (energy >= SLenergies.at(i) && energy < SLenergies.at(i + 1))
      return (int)i;
 
  // now i points to the last but 1 bin
  if (energy >= SLenergies.at(i))
    return (int)i;
  // energy outside bin range
  return -1;
}

References HCALHighEnergyHPDFilter_cfi::energy, mps_fire::i, and SLenergies.

Referenced by select().

FindEtaBin()

int CastorShowerLibrary::FindEtaBin

(

double

eta

)

Definition at line 351 of file CastorShowerLibrary.cc.

                                              {
  //
  // returns the integer index of the eta bin, taken from SLetas vector
  // returns -1 if ouside valid range
  //
  if (eta >= SLetas.back())
    return SLetas.size() - 1;
  unsigned int i = 0;
  for (; i < SLetas.size() - 1; i++)
    if (eta >= SLetas.at(i) && eta < SLetas.at(i + 1))
      return (int)i;
  // now i points to the last but 1 bin
  if (eta >= SLetas.at(i))
    return (int)i;
  // eta outside bin range
  return -1;
}

References PVValHelper::eta, mps_fire::i, and SLetas.

Referenced by select().

FindPhiBin()

int CastorShowerLibrary::FindPhiBin

(

double

phi

)

Definition at line 371 of file CastorShowerLibrary.cc.

                                              {
  //
  // returns the integer index of the phi bin, taken from SLphis vector
  // returns -1 if ouside valid range
  //
  // needs protection in case phi is outside range -pi,pi
  //
  if (phi >= SLphis.back())
    return SLphis.size() - 1;
  unsigned int i = 0;
  for (; i < SLphis.size() - 1; i++)
    if (phi >= SLphis.at(i) && phi < SLphis.at(i + 1))
      return (int)i;
  // now i points to the last but 1 bin
  if (phi >= SLphis.at(i))
    return (int)i;
  // phi outside bin range
  return -1;
}

References mps_fire::i, phi, and SLphis.

Referenced by select().

getRecord()

void CastorShowerLibrary::getRecord ( int  type, int  record  )

protected

Definition at line 229 of file CastorShowerLibrary.cc.

                                                        {
  //
  //  Retrieve event # "record" from the library and stores it
  //  into  vector<CastorShowerHit> showerHit;
  //
  //  Based on HFShowerLibrary::getRecord
  //
  //  Modified 02/02/09 by W. Carvalho
  //
 
#ifdef DebugLog
  LogDebug("CastorShower") << "CastorShowerLibrary::getRecord: ";
#endif
  int nrc = record;
  showerEvent = new CastorShowerEvent();
  if (type > 0) {
    hadBranch->SetAddress(&showerEvent);
    hadBranch->GetEntry(nrc);
  } else {
    emBranch->SetAddress(&showerEvent);
    emBranch->GetEntry(nrc);
  }
 
#ifdef DebugLog
  int nHit = showerEvent->getNhit();
  LogDebug("CastorShower") << "CastorShowerLibrary::getRecord: Record " << record << " of type " << type << " with "
                           << nHit << " CastorShowerHits";
 
#endif
}

References emBranch, CastorShowerEvent::getNhit(), hadBranch, LogDebug, GlobalPosition_Frontier_DevDB_cff::record, and showerEvent.

Referenced by select().

getShowerHits()

CastorShowerEvent CastorShowerLibrary::getShowerHits	(	const G4Step *	aStep,
		bool &	ok
	)

Definition at line 190 of file CastorShowerLibrary.cc.

                                                                                  {
  G4StepPoint* preStepPoint = aStep->GetPreStepPoint();
  G4Track* track = aStep->GetTrack();
 
  const G4ThreeVector& hitPoint = preStepPoint->GetPosition();
 
  CastorShowerEvent hit;
  hit.Clear();
 
  ok = false;
  bool isEM = G4TrackToParticleID::isGammaElectronPositron(track);
  if (!isEM && !G4TrackToParticleID::isStableHadronIon(track)) {
    return hit;
  }
  ok = true;
 
  double pin = preStepPoint->GetTotalEnergy();
  double zint = hitPoint.z();
  double R = sqrt(hitPoint.x() * hitPoint.x() + hitPoint.y() * hitPoint.y());
  double theta = atan2(R, std::abs(zint));
  double phiin = atan2(hitPoint.y(), hitPoint.x());
  double etain = -std::log(std::tan((CLHEP::pi - theta) * 0.5));
 
  // Replace "interpolation/extrapolation" by new method "select" that just randomly
  // selects a record from the appropriate energy bin and fills its content to
  // "showerEvent" instance of class CastorShowerEvent
 
  if (isEM) {
    select(0, pin, etain, phiin);
  } else {
    select(1, pin, etain, phiin);
  }
 
  hit = (*showerEvent);
  return hit;
}

References funct::abs(), G4TrackToParticleID::isGammaElectronPositron(), G4TrackToParticleID::isStableHadronIon(), dqm-mbProfile::log, convertSQLiteXML::ok, pi, dttmaxenums::R, select(), mathSSE::sqrt(), funct::tan(), theta(), and HLT_FULL_cff::track.

Referenced by CastorSD::getFromLibrary().

initFile()

void CastorShowerLibrary::initFile ( edm::ParameterSet const &  p )

protected

Definition at line 59 of file CastorShowerLibrary.cc.

                                                           {
  //
  //  Init TFile and associated TBranch's of CASTOR Root file
  //  holding library events
  //
 
  //
  //  Read PSet for Castor shower library
  //
 
  edm::ParameterSet m_CS = p.getParameter<edm::ParameterSet>("CastorShowerLibrary");
  edm::FileInPath fp = m_CS.getParameter<edm::FileInPath>("FileName");
  std::string pTreeName = fp.fullPath();
  std::string branchEvInfo = m_CS.getUntrackedParameter<std::string>("BranchEvt");
  std::string branchEM = m_CS.getUntrackedParameter<std::string>("BranchEM");
  std::string branchHAD = m_CS.getUntrackedParameter<std::string>("BranchHAD");
  verbose = m_CS.getUntrackedParameter<bool>("Verbosity", false);
 
  // Open TFile
  if (pTreeName.find('.') == 0)
    pTreeName.erase(0, 2);
  const char* nTree = pTreeName.c_str();
  hf = TFile::Open(nTree);
 
  // Check that TFile has been successfully opened
  if (!hf->IsOpen()) {
    edm::LogError("CastorShower") << "CastorShowerLibrary: opening " << nTree << " failed";
    throw cms::Exception("Unknown", "CastorShowerLibrary") << "Opening of " << pTreeName << " fails\n";
  } else {
    edm::LogVerbatim("CastorShower") << "CastorShowerLibrary: opening " << nTree << " successfully";
  }
 
  // Check for the TBranch holding EventVerbatim in "Events" TTree
  TTree* event = (TTree*)hf->Get("CastorCherenkovPhotons");
  if (event) {
    evtInfo = (TBranchObject*)event->GetBranch(branchEvInfo.c_str());
    if (evtInfo) {
      loadEventInfo(evtInfo);
    } else {
      edm::LogError("CastorShower") << "CastorShowerLibrary: " << branchEvInfo.c_str()
                                    << " Branch does not exit in Event";
      throw cms::Exception("Unknown", "CastorShowerLibrary") << "Event information absent\n";
    }
  } else {
    edm::LogError("CastorShower") << "CastorShowerLibrary: Events Tree does not exist";
    throw cms::Exception("Unknown", "CastorShowerLibrary") << "Events tree absent\n";
  }
 
  // Get EM and HAD Branchs
  emBranch = (TBranchObject*)event->GetBranch(branchEM.c_str());
  if (verbose)
    emBranch->Print();
  hadBranch = (TBranchObject*)event->GetBranch(branchHAD.c_str());
  if (verbose)
    hadBranch->Print();
  edm::LogVerbatim("CastorShower") << "CastorShowerLibrary: Branch " << branchEM << " has " << emBranch->GetEntries()
                                   << " entries and Branch " << branchHAD << " has " << hadBranch->GetEntries()
                                   << " entries";
}

References emBranch, evtInfo, Exception, personalPlayback::fp, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), hadBranch, hf, loadEventInfo(), AlCaHLTBitMon_ParallelJobs::p, AlCaHLTBitMon_QueryRunRegistry::string, and verbose.

Referenced by CastorShowerLibrary().

loadEventInfo()

void CastorShowerLibrary::loadEventInfo ( TBranchObject *  branch )

protected

Definition at line 123 of file CastorShowerLibrary.cc.

                                                             {
  //
  //  Get EventInfo from the "TBranch* branch" of Root file
  //  holding library events
  //
  //  Based on HFShowerLibrary::loadEventInfo
  //
 
  eventInfo = new CastorShowerLibraryInfo();
  branch->SetAddress(&eventInfo);
  branch->GetEntry(0);
  // Initialize shower library general parameters
 
  totEvents = eventInfo->Energy.getNEvts();
  nBinsE = eventInfo->Energy.getNBins();
  nEvtPerBinE = eventInfo->Energy.getNEvtPerBin();
  SLenergies = eventInfo->Energy.getBin();
  nBinsEta = eventInfo->Eta.getNBins();
  nEvtPerBinEta = eventInfo->Eta.getNEvtPerBin();
  SLetas = eventInfo->Eta.getBin();
  nBinsPhi = eventInfo->Phi.getNBins();
  nEvtPerBinPhi = eventInfo->Phi.getNEvtPerBin();
  SLphis = eventInfo->Phi.getBin();
 
  // Convert from GeV to MeV
  for (unsigned int i = 0; i < SLenergies.size(); i++) {
    SLenergies[i] *= CLHEP::GeV;
  }
 
  edm::LogVerbatim("CastorShower") << " CastorShowerLibrary::loadEventInfo : "
                                   << "\n \n Total number of events     :  " << totEvents
                                   << "\n   Number of bins  (E)       :  " << nBinsE
                                   << "\n   Number of events/bin (E)  :  " << nEvtPerBinE
                                   << "\n   Number of bins  (Eta)       :  " << nBinsEta
                                   << "\n   Number of events/bin (Eta)  :  " << nEvtPerBinEta
                                   << "\n   Number of bins  (Phi)       :  " << nBinsPhi
                                   << "\n   Number of events/bin (Phi)  :  " << nEvtPerBinPhi << "\n";
 
  std::stringstream ss1;
  ss1 << "CastorShowerLibrary: energies in GeV:\n";
  for (unsigned int i = 0; i < nBinsE; ++i) {
    if (i > 0 && i / 10 * 10 == i) {
      ss1 << "\n";
    }
    ss1 << " " << SLenergies[i] / CLHEP::GeV;
  }
  ss1 << "\nCastorShowerLibrary: etas:\n";
  for (unsigned int i = 0; i < nBinsEta; ++i) {
    if (i > 0 && i / 10 * 10 == i) {
      ss1 << "\n";
    }
    ss1 << " " << SLetas[i];
  }
  ss1 << "\nCastorShowerLibrary: phis:\n";
  for (unsigned int i = 0; i < nBinsPhi; ++i) {
    if (i > 0 && i / 10 * 10 == i) {
      ss1 << "\n";
    }
    ss1 << " " << SLphis[i];
  }
  edm::LogVerbatim("CastorShower") << ss1.str();
}

References MicroEventContent_cff::branch, CastorShowerLibraryInfo::Energy, CastorShowerLibraryInfo::Eta, eventInfo, SLBin::getBin(), SLBin::getNBins(), SLBin::getNEvtPerBin(), SLBin::getNEvts(), GeV, mps_fire::i, nBinsE, nBinsEta, nBinsPhi, nEvtPerBinE, nEvtPerBinEta, nEvtPerBinPhi, CastorShowerLibraryInfo::Phi, SLenergies, SLetas, SLphis, and totEvents.

Referenced by initFile().

select()

void CastorShowerLibrary::select ( int  type, double  pin, double  etain = 0, double  phiin = 9  )

protected

Definition at line 264 of file CastorShowerLibrary.cc.

                                                                                 {
  //
  //  Selects an event from the library based on
  //
  //    type:   0 --> em
  //           >0 --> had
  //    pin  :  momentum
  //    etain:  eta (if not given, disregard the eta binning
  //    phiin:  phi (if not given, disregard the phi binning
  //
  //  Created 30/01/09 by W. Carvalho
  //
 
  int irec;                    // to hold record number
  double r = G4UniformRand();  // to randomly select within an energy bin (r=[0,1])
 
  // Randomly select a record from the right energy bin in the library,
  // based on track momentum (pin)
 
  int ienergy = FindEnergyBin(pin);
  int ieta = FindEtaBin(etain);
#ifdef DebugLog
  if (verbose)
    edm::LogVerbatim("CastorShower") << " ienergy = " << ienergy;
  if (verbose)
    edm::LogVerbatim("CastorShower") << " ieta = " << ieta;
#endif
 
  int iphi;
  const double phiMin = 0.;
  const double phiMax = M_PI / 4.;  // 45 * (pi/180)  rad
  if (phiin < phiMin)
    phiin = phiin + M_PI;
  if (phiin >= phiMin && phiin < phiMax) {
    iphi = FindPhiBin(phiin);
  } else {
    double remainder = fmod(phiin, phiMax);
    phiin = phiMin + remainder;
    iphi = FindPhiBin(phiin);
  }
#ifdef DebugLog
  if (verbose)
    edm::LogVerbatim("CastorShower") << " iphi = " << iphi;
#endif
  if (ienergy == -1)
    ienergy = 0;  // if pin < first bin, choose an event in the first one
  if (ieta == -1)
    ieta = 0;  // idem for eta
  if (iphi != -1)
    irec = int(nEvtPerBinE * ienergy + nEvtPerBinEta * ieta + nEvtPerBinPhi * (iphi + r));
  else
    irec = int(nEvtPerBinE * (ienergy + r));
 
#ifdef DebugLog
  edm::LogVerbatim("CastorShower") << "CastorShowerLibrary:: Select record " << irec << " of type " << type;
#endif
 
  //  Retrieve record number "irec" from the library
  getRecord(type, irec);
}

References FindEnergyBin(), FindEtaBin(), FindPhiBin(), getRecord(), LEDCalibrationChannels::ieta, createfilelist::int, LEDCalibrationChannels::iphi, M_PI, nEvtPerBinE, nEvtPerBinEta, nEvtPerBinPhi, AlignmentTrackSelector_cfi::phiMax, AlignmentTrackSelector_cfi::phiMin, alignCSCRings::r, and verbose.

Referenced by getShowerHits().

Member Data Documentation

emBranch

TBranchObject* CastorShowerLibrary::emBranch

private

Definition at line 49 of file CastorShowerLibrary.h.

Referenced by getRecord(), and initFile().

eventInfo

CastorShowerLibraryInfo* CastorShowerLibrary::eventInfo

private

Definition at line 52 of file CastorShowerLibrary.h.

Referenced by loadEventInfo().

evtInfo

TBranchObject* CastorShowerLibrary::evtInfo

private

Definition at line 48 of file CastorShowerLibrary.h.

Referenced by initFile().

evtPerBin

unsigned int CastorShowerLibrary::evtPerBin

private

Definition at line 56 of file CastorShowerLibrary.h.

hadBranch

TBranchObject * CastorShowerLibrary::hadBranch

private

Definition at line 49 of file CastorShowerLibrary.h.

Referenced by getRecord(), and initFile().

hf

TFile* CastorShowerLibrary::hf

private

Definition at line 47 of file CastorShowerLibrary.h.

Referenced by initFile(), and ~CastorShowerLibrary().

nBinsE

unsigned int CastorShowerLibrary::nBinsE

private

Definition at line 61 of file CastorShowerLibrary.h.

Referenced by loadEventInfo().

nBinsEta

unsigned int CastorShowerLibrary::nBinsEta

private

Definition at line 61 of file CastorShowerLibrary.h.

Referenced by loadEventInfo().

nBinsPhi

unsigned int CastorShowerLibrary::nBinsPhi

private

Definition at line 61 of file CastorShowerLibrary.h.

Referenced by loadEventInfo().

nEvtPerBinE

unsigned int CastorShowerLibrary::nEvtPerBinE

private

Definition at line 62 of file CastorShowerLibrary.h.

Referenced by loadEventInfo(), and select().

nEvtPerBinEta

unsigned int CastorShowerLibrary::nEvtPerBinEta

private

Definition at line 62 of file CastorShowerLibrary.h.

Referenced by loadEventInfo(), and select().

nEvtPerBinPhi

unsigned int CastorShowerLibrary::nEvtPerBinPhi

private

Definition at line 62 of file CastorShowerLibrary.h.

Referenced by loadEventInfo(), and select().

nMomBin

unsigned int CastorShowerLibrary::nMomBin

private

Definition at line 56 of file CastorShowerLibrary.h.

pmom

std::vector<double> CastorShowerLibrary::pmom

private

Definition at line 58 of file CastorShowerLibrary.h.

showerEvent

CastorShowerEvent* CastorShowerLibrary::showerEvent

private

Definition at line 53 of file CastorShowerLibrary.h.

Referenced by getRecord().

SLenergies

std::vector<double> CastorShowerLibrary::SLenergies

private

Definition at line 63 of file CastorShowerLibrary.h.

Referenced by FindEnergyBin(), and loadEventInfo().

SLetas

std::vector<double> CastorShowerLibrary::SLetas

private

Definition at line 64 of file CastorShowerLibrary.h.

Referenced by FindEtaBin(), and loadEventInfo().

SLphis

std::vector<double> CastorShowerLibrary::SLphis

private

Definition at line 65 of file CastorShowerLibrary.h.

Referenced by FindPhiBin(), and loadEventInfo().

totEvents

unsigned int CastorShowerLibrary::totEvents

private

Definition at line 56 of file CastorShowerLibrary.h.

Referenced by loadEventInfo().

verbose

bool CastorShowerLibrary::verbose

private

Definition at line 55 of file CastorShowerLibrary.h.

Referenced by initFile(), and select().