METFilters/plugins/EcalDeadCellDeltaRFilter.cc

0001 // -*- C++ -*-
0002 //
0003 // Package:    EcalDeadCellDeltaRFilter
0004 // Class:      EcalDeadCellDeltaRFilter
0005 //
0006 /**\class EcalDeadCellDeltaRFilter EcalDeadCellDeltaRFilter.cc
0007
0008  Description: <one line class summary>
0009  Event filtering for RA2 analysis (filtering status is stored in the event)
0010 */
0011 //
0012 // Original Author:  Hongxuan Liu
0013 //
0014
0015 // system include files
0016 #include <memory>
0017
0018 // user include files
0019 #include "FWCore/Framework/interface/EventSetup.h"
0020 #include "FWCore/Framework/interface/ESHandle.h"
0021
0022 // XXX: Must BEFORE Frameworkfwd.h
0023 #include "PhysicsTools/SelectorUtils/interface/JetIDSelectionFunctor.h"
0024 #include "PhysicsTools/SelectorUtils/interface/strbitset.h"
0025
0026 #include "FWCore/Framework/interface/Frameworkfwd.h"
0027 #include "FWCore/Framework/interface/stream/EDFilter.h"
0028
0029 #include "FWCore/Framework/interface/Event.h"
0030 #include "FWCore/Framework/interface/MakerMacros.h"
0031
0032 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0033
0034 #include "FWCore/Utilities/interface/Exception.h"
0035
0036 #include "DataFormats/EcalRecHit/interface/EcalRecHit.h"
0037 #include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"
0038 #include "DataFormats/DetId/interface/DetId.h"
0039 #include "DataFormats/EcalDetId/interface/EBDetId.h"
0040 #include "DataFormats/EcalDetId/interface/EEDetId.h"
0041
0042 #include "CondFormats/EcalObjects/interface/EcalChannelStatus.h"
0043 #include "CondFormats/DataRecord/interface/EcalChannelStatusRcd.h"
0044
0045 #include "DataFormats/METReco/interface/METCollection.h"
0046 #include "DataFormats/METReco/interface/CaloMET.h"
0047 #include "DataFormats/METReco/interface/CaloMETCollection.h"
0048
0049 #include "DataFormats/EcalDigi/interface/EcalDigiCollections.h"
0050 #include "Geometry/CaloTopology/interface/EcalTrigTowerConstituentsMap.h"
0051 #include "Geometry/Records/interface/IdealGeometryRecord.h"
0052
0053 #include "Geometry/Records/interface/CaloTopologyRecord.h"
0054 #include "Geometry/CaloTopology/interface/CaloSubdetectorTopology.h"
0055 #include "Geometry/CaloTopology/interface/CaloTopology.h"
0056
0057 // Geometry
0058 #include "Geometry/CaloGeometry/interface/CaloGeometry.h"
0059 #include "Geometry/CaloGeometry/interface/CaloCellGeometry.h"
0060 #include "Geometry/CaloGeometry/interface/CaloSubdetectorGeometry.h"
0061 #include "Geometry/Records/interface/CaloGeometryRecord.h"
0062
0063 #include "DataFormats/JetReco/interface/CaloJetCollection.h"
0064 #include "Geometry/CaloTopology/interface/CaloTowerConstituentsMap.h"
0065 #include "DataFormats/CaloTowers/interface/CaloTowerDetId.h"
0066
0067 #include "DataFormats/METReco/interface/PFMETCollection.h"
0068 #include "DataFormats/METReco/interface/PFMET.h"
0069
0070 #include "RecoJets/JetProducers/interface/JetIDHelper.h"
0071
0072 #include "DataFormats/JetReco/interface/GenJet.h"
0073 #include "DataFormats/JetReco/interface/GenJetCollection.h"
0074 #include "DataFormats/HepMCCandidate/interface/GenParticle.h"
0075 #include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
0076 #include "SimDataFormats/GeneratorProducts/interface/GenEventInfoProduct.h"
0077
0078 #include "FWCore/Common/interface/TriggerNames.h"
0079 #include "FWCore/Framework/interface/TriggerNamesService.h"
0080 #include "DataFormats/Common/interface/TriggerResults.h"
0081
0082 #include "DataFormats/Math/interface/deltaR.h"
0083
0084 #include "DataFormats/Provenance/interface/RunLumiEventNumber.h"
0085
0086 class EcalDeadCellDeltaRFilter : public edm::stream::EDFilter<> {
0087 public:
0088   explicit EcalDeadCellDeltaRFilter(const edm::ParameterSet &);
0089   ~EcalDeadCellDeltaRFilter() override = default;
0090
0091 private:
0092   bool filter(edm::Event &, const edm::EventSetup &) override;
0093   void beginRun(const edm::Run &, const edm::EventSetup &) override;
0094   void endRun(const edm::Run &, const edm::EventSetup &) override;
0095   virtual void envSet(const edm::EventSetup &);
0096
0097   // ----------member data ---------------------------
0098   edm::EDGetTokenT<edm::View<reco::Jet> > jetToken_;
0099   edm::Handle<edm::View<reco::Jet> > jets;
0100   // jet selection cut: pt, eta
0101   // default (pt=-1, eta= 9999) means no cut
0102   const std::vector<double> jetSelCuts_;
0103
0104   edm::EDGetTokenT<edm::View<reco::MET> > metToken_;
0105   edm::Handle<edm::View<reco::MET> > met;
0106
0107   const bool debug_, printSkimInfo_;
0108
0109   bool isPrintedOnce;
0110
0111   void loadEventInfo(const edm::Event &iEvent, const edm::EventSetup &iSetup);
0112   void loadJets(const edm::Event &iEvent, const edm::EventSetup &iSetup);
0113   void loadMET(const edm::Event &iEvent, const edm::EventSetup &iSetup);
0114
0115   edm::RunNumber_t run;
0116   edm::EventNumber_t event;
0117   edm::LuminosityBlockNumber_t ls;
0118   bool isdata;
0119
0120   double calomet, calometPhi, tcmet, tcmetPhi, pfmet, pfmetPhi;
0121
0122   // Channel status related
0123   edm::ESHandle<EcalChannelStatus> ecalStatus;  // these come from EventSetup
0124   edm::ESHandle<CaloGeometry> geometry;
0125   const EcalTrigTowerConstituentsMap *ttMap_;
0126   const edm::ESGetToken<EcalChannelStatus, EcalChannelStatusRcd> ecalChannelStatusToken_;
0127   const edm::ESGetToken<CaloGeometry, CaloGeometryRecord> caloGeometryToken_;
0128   const edm::ESGetToken<EcalTrigTowerConstituentsMap, IdealGeometryRecord> ecalTrigTowerConstituentsMapToken_;
0129
0130   const int maskedEcalChannelStatusThreshold_;
0131   const int chnStatusToBeEvaluated_;
0132
0133   // XXX: All the following can be built at the beginning of a run
0134   // Store DetId <==> std::vector<double> (eta, phi, theta)
0135   std::map<DetId, std::vector<double> > EcalAllDeadChannelsValMap;
0136   // Store EB: DetId <==> std::vector<int> (subdet, ieta, iphi, status)
0137   // Store EE: DetId <==> std::vector<int> (subdet, ix, iy, iz, status)
0138   std::map<DetId, std::vector<int> > EcalAllDeadChannelsBitMap;
0139
0140   // Store DetId <==> EcalTrigTowerDetId
0141   std::map<DetId, EcalTrigTowerDetId> EcalAllDeadChannelsTTMap;
0142
0143   int getChannelStatusMaps();
0144
0145   int evtProcessedCnt, totTPFilteredCnt;
0146   double wtdEvtProcessed, wtdTPFiltered;
0147
0148   const bool isProd_;
0149   const int verbose_;
0150
0151   const bool doCracks_;
0152   // Cracks definition
0153   const std::vector<double> cracksHBHEdef_, cracksHEHFdef_;
0154
0155   // Simple dR filter
0156   const std::vector<double> EcalDeadCellDeltaRFilterInput_;
0157
0158   int dPhiToMETfunc(const std::vector<reco::Jet> &jetTVec,
0159                     const double &dPhiCutVal,
0160                     std::vector<reco::Jet> &closeToMETjetsVec);
0161   int dRtoMaskedChnsEvtFilterFunc(const std::vector<reco::Jet> &jetTVec, const int &chnStatus, const double &dRCutVal);
0162
0163   int etaToBoundary(const std::vector<reco::Jet> &jetTVec);
0164
0165   int isCloseToBadEcalChannel(const reco::Jet &jet,
0166                               const double &deltaRCut,
0167                               const int &chnStatus,
0168                               std::map<double, DetId> &deltaRdetIdMap);
0169
0170   const bool taggingMode_;
0171 };
0172
0173 void EcalDeadCellDeltaRFilter::loadMET(const edm::Event &iEvent, const edm::EventSetup &iSetup) {
0174   iEvent.getByToken(metToken_, met);
0175 }
0176
0177 void EcalDeadCellDeltaRFilter::loadEventInfo(const edm::Event &iEvent, const edm::EventSetup &iSetup) {
0178   run = iEvent.id().run();
0179   event = iEvent.id().event();
0180   ls = iEvent.luminosityBlock();
0181   isdata = iEvent.isRealData();
0182
0183   if (!isPrintedOnce) {
0184     if (debug_) {
0185       if (isdata)
0186         std::cout << "\nInput dataset is DATA" << std::endl << std::endl;
0187       else
0188         std::cout << "\nInput dataset is MC" << std::endl << std::endl;
0189     }
0190     isPrintedOnce = true;
0191   }
0192 }
0193
0194 void EcalDeadCellDeltaRFilter::loadJets(const edm::Event &iEvent, const edm::EventSetup &iSetup) {
0195   iEvent.getByToken(jetToken_, jets);
0196 }
0197
0198 //
0199 // static data member definitions
0200 //
0201
0202 //
0203 // constructors and destructor
0204 //
0205 EcalDeadCellDeltaRFilter::EcalDeadCellDeltaRFilter(const edm::ParameterSet &iConfig)
0206     : jetToken_(consumes<edm::View<reco::Jet> >(iConfig.getParameter<edm::InputTag>("jetInputTag"))),
0207       jetSelCuts_(iConfig.getParameter<std::vector<double> >("jetSelCuts")),
0208       metToken_(consumes<edm::View<reco::MET> >(iConfig.getParameter<edm::InputTag>("metInputTag"))),
0209       debug_(iConfig.getUntrackedParameter<bool>("debug", false)),
0210       printSkimInfo_(iConfig.getUntrackedParameter<bool>("printSkimInfo", false)),
0211       ecalChannelStatusToken_(esConsumes<edm::Transition::BeginRun>()),
0212       caloGeometryToken_(esConsumes<edm::Transition::BeginRun>()),
0213       ecalTrigTowerConstituentsMapToken_(esConsumes<edm::Transition::BeginRun>()),
0214       maskedEcalChannelStatusThreshold_(iConfig.getParameter<int>("maskedEcalChannelStatusThreshold")),
0215       chnStatusToBeEvaluated_(iConfig.getParameter<int>("chnStatusToBeEvaluated")),
0216       isProd_(iConfig.getUntrackedParameter<bool>("isProd")),
0217       verbose_(iConfig.getParameter<int>("verbose")),
0218       doCracks_(iConfig.getUntrackedParameter<bool>("doCracks")),
0219       cracksHBHEdef_(iConfig.getParameter<std::vector<double> >("cracksHBHEdef")),
0220       cracksHEHFdef_(iConfig.getParameter<std::vector<double> >("cracksHEHFdef")),
0221       EcalDeadCellDeltaRFilterInput_(iConfig.getParameter<std::vector<double> >("EcalDeadCellDeltaRFilterInput")),
0222       taggingMode_(iConfig.getParameter<bool>("taggingMode")) {
0223   produces<int>("deadCellStatus");
0224   produces<int>("boundaryStatus");
0225   produces<bool>();
0226 }
0227
0228 void EcalDeadCellDeltaRFilter::envSet(const edm::EventSetup &iSetup) {
0229   if (debug_)
0230     std::cout << "***envSet***" << std::endl;
0231
0232   ttMap_ = &iSetup.getData(ecalTrigTowerConstituentsMapToken_);
0233
0234   ecalStatus = iSetup.getHandle(ecalChannelStatusToken_);
0235   geometry = iSetup.getHandle(caloGeometryToken_);
0236
0237   if (!ecalStatus.isValid())
0238     throw cms::Exception("ESDataError") << "Failed to get ECAL channel status!";
0239   if (!geometry.isValid())
0240     throw cms::Exception("ESDataError") << "Failed to get the geometry!";
0241 }
0242
0243 // ------------ method called on each new Event  ------------
0244 bool EcalDeadCellDeltaRFilter::filter(edm::Event &iEvent, const edm::EventSetup &iSetup) {
0245   loadEventInfo(iEvent, iSetup);
0246   loadJets(iEvent, iSetup);
0247   loadMET(iEvent, iSetup);
0248
0249   // XXX: In the following, never assign pass to true again
0250   // Currently, always true
0251   bool pass = true;
0252
0253   using namespace edm;
0254
0255   std::vector<reco::Jet> seledJets;
0256
0257   for (edm::View<reco::Jet>::const_iterator ij = jets->begin(); ij != jets->end(); ij++) {
0258     if (ij->pt() > jetSelCuts_[0] && std::abs(ij->eta()) < jetSelCuts_[1]) {
0259       seledJets.push_back(reco::Jet(*ij));
0260     }
0261   }
0262
0263   if (seledJets.empty())
0264     return pass;
0265
0266   double dPhiToMET = EcalDeadCellDeltaRFilterInput_[0], dRtoDeadCell = EcalDeadCellDeltaRFilterInput_[1];
0267
0268   std::vector<reco::Jet> closeToMETjetsVec;
0269
0270   int dPhiToMETstatus = dPhiToMETfunc(seledJets, dPhiToMET, closeToMETjetsVec);
0271
0272   // Get event filter for simple dR cut
0273   int deadCellStatus = dRtoMaskedChnsEvtFilterFunc(closeToMETjetsVec, chnStatusToBeEvaluated_, dRtoDeadCell);
0274
0275   int boundaryStatus = etaToBoundary(closeToMETjetsVec);
0276
0277   if (debug_) {
0278     printf("\nrun : %8u  event : %12llu  ls : %8u  dPhiToMETstatus : %d  deadCellStatus : %d  boundaryStatus : %d\n",
0279            run,
0280            event,
0281            ls,
0282            dPhiToMETstatus,
0283            deadCellStatus,
0284            boundaryStatus);
0285     printf("met : %6.2f  metphi : % 6.3f  dPhiToMET : %5.3f  dRtoDeadCell : %5.3f\n",
0286            (*met)[0].pt(),
0287            (*met)[0].phi(),
0288            dPhiToMET,
0289            dRtoDeadCell);
0290   }
0291
0292   iEvent.put(std::make_unique<int>(deadCellStatus), "deadCellStatus");
0293   iEvent.put(std::make_unique<int>(boundaryStatus), "boundaryStatus");
0294
0295   if (deadCellStatus || (doCracks_ && boundaryStatus))
0296     pass = false;
0297
0298   iEvent.put(std::make_unique<bool>(pass));
0299
0300   return taggingMode_ || pass;
0301 }
0302
0303 // ------------ method called once each run just before starting event loop  ------------
0304 void EcalDeadCellDeltaRFilter::beginRun(const edm::Run &run, const edm::EventSetup &iSetup) {
0305   if (debug_)
0306     std::cout << "beginRun" << std::endl;
0307   // Channel status might change for each run (data)
0308   // Event setup
0309   envSet(iSetup);
0310   getChannelStatusMaps();
0311   if (debug_)
0312     std::cout << "EcalAllDeadChannelsValMap.size() : " << EcalAllDeadChannelsValMap.size()
0313               << "  EcalAllDeadChannelsBitMap.size() : " << EcalAllDeadChannelsBitMap.size() << std::endl;
0314   return;
0315 }
0316
0317 // ------------ method called once each run just after starting event loop  ------------
0318 void EcalDeadCellDeltaRFilter::endRun(const edm::Run &run, const edm::EventSetup &iSetup) {
0319   if (debug_)
0320     std::cout << "endRun" << std::endl;
0321   return;
0322 }
0323
0324 int EcalDeadCellDeltaRFilter::etaToBoundary(const std::vector<reco::Jet> &jetTVec) {
0325   int isClose = 0;
0326
0327   int cntOrder10 = 0;
0328   for (unsigned int ij = 0; ij < jetTVec.size(); ij++) {
0329     double recoJetEta = jetTVec[ij].eta();
0330
0331     if (std::abs(recoJetEta) > cracksHBHEdef_[0] && std::abs(recoJetEta) < cracksHBHEdef_[1])
0332       isClose += (cntOrder10 * 10 + 1);
0333     if (std::abs(recoJetEta) > cracksHEHFdef_[0] && std::abs(recoJetEta) < cracksHEHFdef_[1])
0334       isClose += (cntOrder10 * 10 + 2);
0335
0336     if (isClose / pow(10, cntOrder10) >= 3)
0337       cntOrder10 = isClose / 10 + 1;
0338   }
0339
0340   return isClose;
0341 }
0342
0343 // Cache all jets that are close to the MET within a dphi of dPhiCutVal
0344 int EcalDeadCellDeltaRFilter::dPhiToMETfunc(const std::vector<reco::Jet> &jetTVec,
0345                                             const double &dPhiCutVal,
0346                                             std::vector<reco::Jet> &closeToMETjetsVec) {
0347   closeToMETjetsVec.clear();
0348
0349   double minDphi = 999.0;
0350   int minIdx = -1;
0351   for (unsigned int ii = 0; ii < jetTVec.size(); ii++) {
0352     const reco::Jet &jet = jetTVec[ii];
0353
0354     double deltaPhi = std::abs(reco::deltaPhi(jet.phi(), (*met)[0].phi()));
0355     if (deltaPhi > dPhiCutVal)
0356       continue;
0357
0358     closeToMETjetsVec.push_back(jetTVec[ii]);
0359
0360     if (deltaPhi < minDphi) {
0361       minDphi = deltaPhi;
0362       minIdx = ii;
0363     }
0364   }
0365
0366   if (minIdx == -1) {
0367   }  // removing a stupid compiling WARNING that minIdx NOT used.
0368   //  if( minIdx == -1 ) return 0;
0369   //  closeToMETjetsVec.push_back(jetTVec[minIdx]);
0370
0371   return (int)closeToMETjetsVec.size();
0372 }
0373
0374 int EcalDeadCellDeltaRFilter::dRtoMaskedChnsEvtFilterFunc(const std::vector<reco::Jet> &jetTVec,
0375                                                           const int &chnStatus,
0376                                                           const double &dRCutVal) {
0377   int isClose = 0;
0378
0379   for (unsigned int ii = 0; ii < jetTVec.size(); ii++) {
0380     const reco::Jet &jet = jetTVec[ii];
0381
0382     std::map<double, DetId> dummy;
0383     int isPerJetClose = isCloseToBadEcalChannel(jet, dRCutVal, chnStatus, dummy);
0384     //     if( isPerJetClose ){ isClose = 1; break; }
0385     if (isPerJetClose) {
0386       isClose++;
0387     }
0388   }
0389
0390   return isClose;
0391 }
0392
0393 int EcalDeadCellDeltaRFilter::isCloseToBadEcalChannel(const reco::Jet &jet,
0394                                                       const double &deltaRCut,
0395                                                       const int &chnStatus,
0396                                                       std::map<double, DetId> &deltaRdetIdMap) {
0397   double jetEta = jet.eta(), jetPhi = jet.phi();
0398
0399   deltaRdetIdMap.clear();
0400
0401   double min_dist = 999;
0402   DetId min_detId;
0403
0404   std::map<DetId, std::vector<int> >::iterator bitItor;
0405   for (bitItor = EcalAllDeadChannelsBitMap.begin(); bitItor != EcalAllDeadChannelsBitMap.end(); bitItor++) {
0406     DetId maskedDetId = bitItor->first;
0407     //      int subdet = bitItor->second.front();
0408     int status = bitItor->second.back();
0409
0410     if (chnStatus > 0 && status != chnStatus)
0411       continue;
0412     if (chnStatus < 0 && status < abs(chnStatus))
0413       continue;
0414
0415     std::map<DetId, std::vector<double> >::iterator valItor = EcalAllDeadChannelsValMap.find(maskedDetId);
0416     if (valItor == EcalAllDeadChannelsValMap.end()) {
0417       std::cout << "Error cannot find maskedDetId in EcalAllDeadChannelsValMap ?!" << std::endl;
0418       continue;
0419     }
0420
0421     double eta = (valItor->second)[0], phi = (valItor->second)[1];
0422
0423     double dist = reco::deltaR(eta, phi, jetEta, jetPhi);
0424
0425     if (min_dist > dist) {
0426       min_dist = dist;
0427       min_detId = maskedDetId;
0428     }
0429   }
0430
0431   if (min_dist > deltaRCut && deltaRCut > 0)
0432     return 0;
0433
0434   deltaRdetIdMap.insert(std::make_pair(min_dist, min_detId));
0435
0436   return 1;
0437 }
0438
0439 int EcalDeadCellDeltaRFilter::getChannelStatusMaps() {
0440   EcalAllDeadChannelsValMap.clear();
0441   EcalAllDeadChannelsBitMap.clear();
0442
0443   // Loop over EB ...
0444   for (int ieta = -85; ieta <= 85; ieta++) {
0445     for (int iphi = 0; iphi <= 360; iphi++) {
0446       if (!EBDetId::validDetId(ieta, iphi))
0447         continue;
0448
0449       const EBDetId detid = EBDetId(ieta, iphi, EBDetId::ETAPHIMODE);
0450       EcalChannelStatus::const_iterator chit = ecalStatus->find(detid);
0451       // refer https://twiki.cern.ch/twiki/bin/viewauth/CMS/EcalChannelStatus
0452       int status = (chit != ecalStatus->end()) ? chit->getStatusCode() & 0x1F : -1;
0453
0454       const CaloSubdetectorGeometry *subGeom = geometry->getSubdetectorGeometry(detid);
0455       auto cellGeom = subGeom->getGeometry(detid);
0456       double eta = cellGeom->getPosition().eta();
0457       double phi = cellGeom->getPosition().phi();
0458       double theta = cellGeom->getPosition().theta();
0459
0460       if (status >= maskedEcalChannelStatusThreshold_) {
0461         std::vector<double> valVec;
0462         std::vector<int> bitVec;
0463         valVec.push_back(eta);
0464         valVec.push_back(phi);
0465         valVec.push_back(theta);
0466         bitVec.push_back(1);
0467         bitVec.push_back(ieta);
0468         bitVec.push_back(iphi);
0469         bitVec.push_back(status);
0470         EcalAllDeadChannelsValMap.insert(std::make_pair(detid, valVec));
0471         EcalAllDeadChannelsBitMap.insert(std::make_pair(detid, bitVec));
0472       }
0473     }  // end loop iphi
0474   }  // end loop ieta
0475
0476   // Loop over EE detid
0477   for (int ix = 0; ix <= 100; ix++) {
0478     for (int iy = 0; iy <= 100; iy++) {
0479       for (int iz = -1; iz <= 1; iz++) {
0480         if (iz == 0)
0481           continue;
0482         if (!EEDetId::validDetId(ix, iy, iz))
0483           continue;
0484
0485         const EEDetId detid = EEDetId(ix, iy, iz, EEDetId::XYMODE);
0486         EcalChannelStatus::const_iterator chit = ecalStatus->find(detid);
0487         int status = (chit != ecalStatus->end()) ? chit->getStatusCode() & 0x1F : -1;
0488
0489         const CaloSubdetectorGeometry *subGeom = geometry->getSubdetectorGeometry(detid);
0490         auto cellGeom = subGeom->getGeometry(detid);
0491         double eta = cellGeom->getPosition().eta();
0492         double phi = cellGeom->getPosition().phi();
0493         double theta = cellGeom->getPosition().theta();
0494
0495         if (status >= maskedEcalChannelStatusThreshold_) {
0496           std::vector<double> valVec;
0497           std::vector<int> bitVec;
0498           valVec.push_back(eta);
0499           valVec.push_back(phi);
0500           valVec.push_back(theta);
0501           bitVec.push_back(2);
0502           bitVec.push_back(ix);
0503           bitVec.push_back(iy);
0504           bitVec.push_back(iz);
0505           bitVec.push_back(status);
0506           EcalAllDeadChannelsValMap.insert(std::make_pair(detid, valVec));
0507           EcalAllDeadChannelsBitMap.insert(std::make_pair(detid, bitVec));
0508         }
0509       }  // end loop iz
0510     }  // end loop iy
0511   }  // end loop ix
0512
0513   EcalAllDeadChannelsTTMap.clear();
0514   std::map<DetId, std::vector<int> >::iterator bitItor;
0515   for (bitItor = EcalAllDeadChannelsBitMap.begin(); bitItor != EcalAllDeadChannelsBitMap.end(); bitItor++) {
0516     const DetId id = bitItor->first;
0517     EcalTrigTowerDetId ttDetId = ttMap_->towerOf(id);
0518     EcalAllDeadChannelsTTMap.insert(std::make_pair(id, ttDetId));
0519   }
0520
0521   return 1;
0522 }
0523
0524 //define this as a plug-in
0525 DEFINE_FWK_MODULE(EcalDeadCellDeltaRFilter);