DTTTrigConstantShift.cc

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/*
 *  See header file for a description of this class.
 *
 */
 
#include "DTTTrigConstantShift.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
 
#include "DataFormats/MuonDetId/interface/DTSuperLayerId.h"
#include "CondFormats/DTObjects/interface/DTTtrig.h"
#include "CondFormats/DataRecord/interface/DTTtrigRcd.h"
 
#include <cmath>
 
using namespace std;
using namespace edm;
 
namespace dtCalibration {
 
  DTTTrigConstantShift::DTTTrigConstantShift(const ParameterSet& pset)
      : dbLabel_(pset.getUntrackedParameter<string>("dbLabel", "")),
        calibChamber_(pset.getParameter<string>("calibChamber")),
        value_(pset.getParameter<double>("value")) {
    LogVerbatim("Calibration") << "[DTTTrigConstantShift] Applying constant correction value: " << value_ << endl;
 
    if (!calibChamber_.empty() && calibChamber_ != "None" && calibChamber_ != "All") {
      stringstream linestr;
      int selWheel, selStation, selSector;
      linestr << calibChamber_;
      linestr >> selWheel >> selStation >> selSector;
      chosenChamberId_ = DTChamberId(selWheel, selStation, selSector);
      LogVerbatim("Calibration") << "[DTTTrigConstantShift] Chosen chamber: " << chosenChamberId_ << endl;
    }
    //FIXME: Check if chosen chamber is valid.
  }
 
  DTTTrigConstantShift::~DTTTrigConstantShift() {}
 
  void DTTTrigConstantShift::setES(const EventSetup& setup) {
    // Get tTrig record from DB
    ESHandle<DTTtrig> tTrig;
    setup.get<DTTtrigRcd>().get(dbLabel_, tTrig);
    tTrigMap_ = &*tTrig;
  }
 
  DTTTrigData DTTTrigConstantShift::correction(const DTSuperLayerId& slId) {
    float tTrigMean, tTrigSigma, kFactor;
    int status = tTrigMap_->get(slId, tTrigMean, tTrigSigma, kFactor, DTTimeUnits::ns);
    if (status != 0)
      throw cms::Exception("[DTTTrigConstantShift]") << "Could not find tTrig entry in DB for" << slId << endl;
 
    float tTrigMeanNew = tTrigMean;
    if (!calibChamber_.empty() && calibChamber_ != "None") {
      if ((calibChamber_ == "All") || (calibChamber_ != "All" && slId.chamberId() == chosenChamberId_)) {
        tTrigMeanNew = tTrigMean + value_;
      }
    }
 
    return DTTTrigData(tTrigMeanNew, tTrigSigma, kFactor);
  }
 
}  // namespace dtCalibration