DTCalibration/plugins/DTTTrigMatchRPhi.cc

0001 /*
0002  *  See header file for a description of this class.
0003  *
0004  *  \author A. Vilela Pereira
0005  */
0006
0007 #include "DTTTrigMatchRPhi.h"
0008 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0009 #include "FWCore/Framework/interface/EventSetup.h"
0010 #include "FWCore/Framework/interface/ESHandle.h"
0011 #include "DataFormats/MuonDetId/interface/DTSuperLayerId.h"
0012 #include "CondFormats/DTObjects/interface/DTTtrig.h"
0013 #include "CondFormats/DataRecord/interface/DTTtrigRcd.h"
0014
0015 #include <cmath>
0016
0017 using namespace std;
0018 using namespace edm;
0019
0020 namespace dtCalibration {
0021
0022   DTTTrigMatchRPhi::DTTTrigMatchRPhi(const ParameterSet& pset, edm::ConsumesCollector cc) {
0023     ttrigToken_ =
0024         cc.esConsumes<edm::Transition::BeginRun>(edm::ESInputTag("", pset.getUntrackedParameter<string>("dbLabel")));
0025   }
0026
0027   DTTTrigMatchRPhi::~DTTTrigMatchRPhi() {}
0028
0029   void DTTTrigMatchRPhi::setES(const EventSetup& setup) {
0030     // Get tTrig record from DB
0031     ESHandle<DTTtrig> tTrig = setup.getHandle(ttrigToken_);
0032     tTrigMap_ = &*tTrig;
0033   }
0034
0035   DTTTrigData DTTTrigMatchRPhi::correction(const DTSuperLayerId& slId) {
0036     float tTrigMean, tTrigSigma, kFactor;
0037     int status = tTrigMap_->get(slId, tTrigMean, tTrigSigma, kFactor, DTTimeUnits::ns);
0038     // RZ superlayers return the current value
0039     if (slId.superLayer() == 2) {
0040       if (status != 0)
0041         throw cms::Exception("[DTTTrigMatchRPhi]") << "Could not find tTrig entry in DB for" << slId << endl;
0042       return DTTTrigData(tTrigMean, tTrigSigma, kFactor);
0043     } else {
0044       DTSuperLayerId partnerSLId(slId.chamberId(), (slId.superLayer() == 1) ? 3 : 1);
0045       float tTrigMeanNew, tTrigSigmaNew, kFactorNew;
0046       if (!status) {  // Gets average of both SuperLayer's
0047         if (!tTrigMap_->get(partnerSLId, tTrigMeanNew, tTrigSigmaNew, kFactorNew, DTTimeUnits::ns)) {
0048           tTrigMeanNew = (tTrigMean + tTrigMeanNew) / 2.;
0049           //         tTrigSigmaNew = sqrt(tTrigSigmaNew*tTrigSigmaNew + tTrigSigma*tTrigSigma)/2.;
0050           tTrigSigmaNew = (tTrigSigmaNew + tTrigSigma) / 2.;
0051
0052           kFactorNew = kFactor;
0053           return DTTTrigData(tTrigMeanNew, tTrigSigmaNew, kFactorNew);
0054         } else
0055           return DTTTrigData(tTrigMean, tTrigSigma, kFactor);
0056       } else {  // If there is no entry tries to find partner SL and retrieves its value
0057         if (!tTrigMap_->get(partnerSLId, tTrigMeanNew, tTrigSigmaNew, kFactorNew, DTTimeUnits::ns))
0058           return DTTTrigData(tTrigMeanNew, tTrigSigmaNew, kFactorNew);
0059         else {  // Both RPhi SL's not present in DB
0060           throw cms::Exception("[DTTTrigMatchRPhi]") << "Could not find tTrig entry in DB for" << slId << "\n"
0061                                                      << partnerSLId << endl;
0062         }
0063       }
0064     }
0065   }
0066
0067 }  // namespace dtCalibration