#include <DTTTrigOffsetCalibration.h>

Inheritance diagram for DTTTrigOffsetCalibration:

Public Member Functions
void	analyze (const edm::Event &event, const edm::EventSetup &eventSetup)
void	beginRun (const edm::Run &run, const edm::EventSetup &setup)
	DTTTrigOffsetCalibration (const edm::ParameterSet &pset)
void	endJob ()
virtual	~DTTTrigOffsetCalibration ()
Private Types
typedef std::map< DTChamberId, std::vector< TH1F * > >	ChamberHistosMap
Private Member Functions
void	bookHistos (DTChamberId)
Private Attributes
std::string	dbLabel_
bool	doTTrigCorrection_
TFile *	rootFile_
DTSegmentSelector	select_
std::string	theCalibChamber_
edm::InputTag	theRecHits4DLabel_
ChamberHistosMap	theT0SegHistoMap_
const DTTtrig *	tTrigMap_

Detailed Description

No description available.

Date:: 2010/11/16 19:06:59

Revision:: 1.4

Author:: A. Vilela Pereira

Definition at line 29 of file DTTTrigOffsetCalibration.h.

Member Typedef Documentation

typedef std::map<DTChamberId, std::vector<TH1F*> > DTTTrigOffsetCalibration::ChamberHistosMap [private]

Definition at line 41 of file DTTTrigOffsetCalibration.h.

Constructor & Destructor Documentation

DTTTrigOffsetCalibration::DTTTrigOffsetCalibration ( const edm::ParameterSet & pset )

Definition at line 39 of file DTTTrigOffsetCalibration.cc.

References edm::ParameterSet::getUntrackedParameter(), rootFile_, and dtT0Analyzer_cfg::rootFileName.

                                                                          :
  select_(pset),
  theRecHits4DLabel_(pset.getParameter<InputTag>("recHits4DLabel")),
  doTTrigCorrection_(pset.getUntrackedParameter<bool>("doT0SegCorrection", false)),
  theCalibChamber_(pset.getUntrackedParameter<string>("calibChamber", "All")),
  dbLabel_(pset.getUntrackedParameter<string>("dbLabel", "")) {

  LogVerbatim("Calibration") << "[DTTTrigOffsetCalibration] Constructor called!";

  // the root file which will contain the histos
  string rootFileName = pset.getUntrackedParameter<string>("rootFileName","DTT0SegHistos.root");
  rootFile_ = new TFile(rootFileName.c_str(), "RECREATE");
  rootFile_->cd();
}

DTTTrigOffsetCalibration::~DTTTrigOffsetCalibration ( ) [virtual]

Definition at line 63 of file DTTTrigOffsetCalibration.cc.

References rootFile_.

                                                   {
  rootFile_->Close();
  LogVerbatim("Calibration") << "[DTTTrigOffsetCalibration] Destructor called!";
}

Member Function Documentation

void DTTTrigOffsetCalibration::analyze	(	const edm::Event &	event,
		const edm::EventSetup &	eventSetup
	)		`[virtual]`

Implements edm::EDAnalyzer.

Definition at line 68 of file DTTTrigOffsetCalibration.cc.

References bookHistos(), DTChamberId, HcalObjRepresent::Fill(), edm::EventSetup::get(), LogTrace, rootFile_, select_, theCalibChamber_, theRecHits4DLabel_, theT0SegHistoMap_, and GeomDet::toGlobal().

                                                                                        {
  rootFile_->cd();
  DTChamberId chosenChamberId;

  if(theCalibChamber_ != "All") {
    stringstream linestr;
    int selWheel, selStation, selSector;
    linestr << theCalibChamber_;
    linestr >> selWheel >> selStation >> selSector;
    chosenChamberId = DTChamberId(selWheel, selStation, selSector);
    LogVerbatim("Calibration") << " chosen chamber " << chosenChamberId << endl;
  }

  // Get the DT Geometry
  ESHandle<DTGeometry> dtGeom;
  eventSetup.get<MuonGeometryRecord>().get(dtGeom);

  // Get the rechit collection from the event
  Handle<DTRecSegment4DCollection> all4DSegments;
  event.getByLabel(theRecHits4DLabel_, all4DSegments); 

  // Loop over segments by chamber
  DTRecSegment4DCollection::id_iterator chamberIdIt;
  for(chamberIdIt = all4DSegments->id_begin(); chamberIdIt != all4DSegments->id_end(); ++chamberIdIt){

    // Get the chamber from the setup
    const DTChamber* chamber = dtGeom->chamber(*chamberIdIt);
    LogTrace("Calibration") << "Chamber Id: " << *chamberIdIt;

    // Book histos
    if(theT0SegHistoMap_.find(*chamberIdIt) == theT0SegHistoMap_.end()){
      bookHistos(*chamberIdIt);
    }
   
    // Calibrate just the chosen chamber/s    
    if((theCalibChamber_ != "All") && ((*chamberIdIt) != chosenChamberId)) continue;

    // Get the range for the corresponding ChamberId
    DTRecSegment4DCollection::range range = all4DSegments->get((*chamberIdIt));

    // Loop over the rechits of this DetUnit
    for(DTRecSegment4DCollection::const_iterator segment  = range.first;
                                                 segment != range.second; ++segment){

      LogTrace("Calibration") << "Segment local pos (in chamber RF): " << (*segment).localPosition()
                              << "\nSegment global pos: " << chamber->toGlobal((*segment).localPosition());
      
      if( !select_(*segment, event, eventSetup) ) continue;

      // Fill t0-seg values
      if( (*segment).hasPhi() ) {
        //if( segment->phiSegment()->ist0Valid() ){ 
        if( (segment->phiSegment()->t0()) != 0.00 ){
          (theT0SegHistoMap_[*chamberIdIt])[0]->Fill(segment->phiSegment()->t0());
        }
      }
      if( (*segment).hasZed() ){
        //if( segment->zSegment()->ist0Valid() ){ 
        if( (segment->zSegment()->t0()) != 0.00 ){
          (theT0SegHistoMap_[*chamberIdIt])[1]->Fill(segment->zSegment()->t0());
        }
      }
    } // DTRecSegment4DCollection::const_iterator segment
  } // DTRecSegment4DCollection::id_iterator chamberIdIt
} // DTTTrigOffsetCalibration::analyze

void DTTTrigOffsetCalibration::beginRun	(	const edm::Run &	run,
		const edm::EventSetup &	setup
	)		`[virtual]`

Reimplemented from edm::EDAnalyzer.

Definition at line 54 of file DTTTrigOffsetCalibration.cc.

References dbLabel_, doTTrigCorrection_, edm::EventSetup::get(), and tTrigMap_.

                                                                                     {
  if(doTTrigCorrection_){
    ESHandle<DTTtrig> tTrig;
    setup.get<DTTtrigRcd>().get(dbLabel_,tTrig);
    tTrigMap_ = &*tTrig;
    LogVerbatim("Calibration") << "[DTTTrigOffsetCalibration]: TTrig version: " << tTrig->version() << endl; 
  }
}

void DTTTrigOffsetCalibration::bookHistos ( DTChamberId chId ) [private]

Definition at line 181 of file DTTTrigOffsetCalibration.cc.

References mergeVDriftHistosByStation::histos, LogTrace, DTChamberId::sector(), relativeConstraints::station, DTChamberId::station(), theT0SegHistoMap_, and DTChamberId::wheel().

Referenced by analyze().

                                                          {

  LogTrace("Calibration") << "   Booking histos for Chamber: " << chId;

  // Compose the chamber name
  stringstream wheel; wheel << chId.wheel();
  stringstream station; station << chId.station();
  stringstream sector; sector << chId.sector();

  string chHistoName =
    "_W" + wheel.str() +
    "_St" + station.str() +
    "_Sec" + sector.str();

  /*// Define the step
  stringstream Step; Step << step;

  string chHistoName =
    "_STEP" + Step.str() +
    "_W" + wheel.str() +
    "_St" + station.str() +
    "_Sec" + sector.str();

  theDbe->setCurrentFolder("DT/DTCalibValidation/Wheel" + wheel.str() +
                           "/Station" + station.str() +
                           "/Sector" + sector.str());
  // Create the monitor elements
  vector<MonitorElement *> histos;
  // Note hte order matters
  histos.push_back(theDbe->book1D("hRPhiSegT0"+chHistoName, "t0 from Phi segments", 200, -25., 25.));
  histos.push_back(theDbe->book1D("hRZSegT0"+chHistoName, "t0 from Z segments", 200, -25., 25.));*/

  vector<TH1F*> histos;
  // Note the order matters
  histos.push_back(new TH1F(("hRPhiSegT0"+chHistoName).c_str(), "t0 from Phi segments", 500, -60., 60.));
  if(chId.station() != 4) histos.push_back(new TH1F(("hRZSegT0"+chHistoName).c_str(), "t0 from Z segments", 500, -60., 60.));

  theT0SegHistoMap_[chId] = histos;
}

void DTTTrigOffsetCalibration::endJob ( void ) [virtual]

Reimplemented from edm::EDAnalyzer.

Definition at line 134 of file DTTTrigOffsetCalibration.cc.

References doTTrigCorrection_, DTSuperLayerId, DTTtrig::get(), DTTimeUnits::ns, rootFile_, DTTtrig::set(), DTChamberId::station(), theT0SegHistoMap_, tTrigMap_, and DTCalibDBUtils::writeToDB().

                                      {
  rootFile_->cd();
  
  LogVerbatim("Calibration") << "[DTTTrigOffsetCalibration] Writing histos to file!" << endl;

  for(ChamberHistosMap::const_iterator itChHistos = theT0SegHistoMap_.begin(); itChHistos != theT0SegHistoMap_.end(); ++itChHistos){
    for(vector<TH1F*>::const_iterator itHist = (*itChHistos).second.begin();
                                      itHist != (*itChHistos).second.end(); ++itHist) (*itHist)->Write();
  }

  if(doTTrigCorrection_){
    // Create the object to be written to DB
    DTTtrig* tTrig = new DTTtrig();

    for(ChamberHistosMap::const_iterator itChHistos = theT0SegHistoMap_.begin(); itChHistos != theT0SegHistoMap_.end(); ++itChHistos){
      DTChamberId chId = itChHistos->first;
      // Get SuperLayerId's for each ChamberId
      vector<DTSuperLayerId> slIds;
      slIds.push_back(DTSuperLayerId(chId,1));
      slIds.push_back(DTSuperLayerId(chId,3));
      if(chId.station() != 4) slIds.push_back(DTSuperLayerId(chId,2));

      for(vector<DTSuperLayerId>::const_iterator itSl = slIds.begin(); itSl != slIds.end(); ++itSl){      
        // Get old values from DB
        float ttrigMean = 0;
        float ttrigSigma = 0;
        float kFactor = 0;
        tTrigMap_->get(*itSl,ttrigMean,ttrigSigma,kFactor,DTTimeUnits::ns);
        //FIXME: verify if values make sense
        // Set new values
        float ttrigMeanNew = ttrigMean;
        float ttrigSigmaNew = ttrigSigma;
        float t0SegMean = (itSl->superLayer() != 2)?itChHistos->second[0]->GetMean():itChHistos->second[1]->GetMean();

        float kFactorNew = (kFactor*ttrigSigma+t0SegMean)/ttrigSigma;

        tTrig->set(*itSl,ttrigMeanNew,ttrigSigmaNew,kFactorNew,DTTimeUnits::ns);
      }
    }
    LogVerbatim("Calibration")<< "[DTTTrigOffsetCalibration] Writing ttrig object to DB!" << endl;
    // Write the object to DB
    string tTrigRecord = "DTTtrigRcd";
    DTCalibDBUtils::writeToDB(tTrigRecord, tTrig);
  } 
}