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File indexing completed on 2024-04-06 12:23:52 

0001 /**
0002   \class    pat::PATPhotonSlimmer PATPhotonSlimmer.h "PhysicsTools/PatAlgos/interface/PATPhotonSlimmer.h"
0003   \brief    slimmer of PAT Taus 
0004 */
0005 
0006 #include "FWCore/Framework/interface/Frameworkfwd.h"
0007 #include "FWCore/Framework/interface/stream/EDProducer.h"
0008 #include "FWCore/Framework/interface/Event.h"
0009 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0010 
0011 #include "DataFormats/Common/interface/Association.h"
0012 #include "DataFormats/Common/interface/RefToPtr.h"
0013 
0014 #include "DataFormats/PatCandidates/interface/Photon.h"
0015 
0016 #include "PhysicsTools/PatAlgos/interface/ObjectModifier.h"
0017 
0018 #include "DataFormats/ParticleFlowCandidate/interface/PFCandidate.h"
0019 #include "DataFormats/ParticleFlowCandidate/interface/PFCandidateFwd.h"
0020 #include "DataFormats/PatCandidates/interface/PackedCandidate.h"
0021 #include "CommonTools/UtilAlgos/interface/StringCutObjectSelector.h"
0022 #include "RecoEcal/EgammaCoreTools/interface/EcalClusterLazyTools.h"
0023 #include "FWCore/Utilities/interface/isFinite.h"
0024 #include "DataFormats/Common/interface/ValueMap.h"
0025 
0026 namespace pat {
0027 
0028   class PATPhotonSlimmer : public edm::stream::EDProducer<> {
0029   public:
0030     explicit PATPhotonSlimmer(const edm::ParameterSet& iConfig);
0031 
0032     void produce(edm::Event& iEvent, const edm::EventSetup& iSetup) override;
0033 
0034   private:
0035     const edm::EDGetTokenT<edm::View<pat::Photon>> src_;
0036 
0037     const StringCutObjectSelector<pat::Photon> dropSuperClusters_, dropBasicClusters_, dropPreshowerClusters_,
0038         dropSeedCluster_, dropRecHits_, dropSaturation_, dropRegressionData_;
0039 
0040     const edm::EDGetTokenT<edm::ValueMap<std::vector<reco::PFCandidateRef>>> reco2pf_;
0041     const edm::EDGetTokenT<edm::Association<pat::PackedCandidateCollection>> pf2pc_;
0042     const edm::EDGetTokenT<pat::PackedCandidateCollection> pc_;
0043     const bool linkToPackedPF_;
0044     const StringCutObjectSelector<pat::Photon> saveNonZSClusterShapes_;
0045     const edm::EDGetTokenT<EcalRecHitCollection> reducedBarrelRecHitCollectionToken_,
0046         reducedEndcapRecHitCollectionToken_;
0047     const bool modifyPhoton_;
0048     std::unique_ptr<pat::ObjectModifier<pat::Photon>> photonModifier_;
0049     const EcalClusterLazyTools::ESGetTokens ecalClusterToolsESGetTokens_;
0050   };
0051 
0052 }  // namespace pat
0053 
0054 pat::PATPhotonSlimmer::PATPhotonSlimmer(const edm::ParameterSet& iConfig)
0055     : src_(consumes<edm::View<pat::Photon>>(iConfig.getParameter<edm::InputTag>("src"))),
0056       dropSuperClusters_(iConfig.getParameter<std::string>("dropSuperCluster")),
0057       dropBasicClusters_(iConfig.getParameter<std::string>("dropBasicClusters")),
0058       dropPreshowerClusters_(iConfig.getParameter<std::string>("dropPreshowerClusters")),
0059       dropSeedCluster_(iConfig.getParameter<std::string>("dropSeedCluster")),
0060       dropRecHits_(iConfig.getParameter<std::string>("dropRecHits")),
0061       dropSaturation_(iConfig.getParameter<std::string>("dropSaturation")),
0062       dropRegressionData_(iConfig.getParameter<std::string>("dropRegressionData")),
0063       reco2pf_(mayConsume<edm::ValueMap<std::vector<reco::PFCandidateRef>>>(
0064           iConfig.getParameter<edm::InputTag>("recoToPFMap"))),
0065       pf2pc_(mayConsume<edm::Association<pat::PackedCandidateCollection>>(
0066           iConfig.getParameter<edm::InputTag>("packedPFCandidates"))),
0067       pc_(mayConsume<pat::PackedCandidateCollection>(iConfig.getParameter<edm::InputTag>("packedPFCandidates"))),
0068       linkToPackedPF_(iConfig.getParameter<bool>("linkToPackedPFCandidates")),
0069       saveNonZSClusterShapes_(iConfig.getParameter<std::string>("saveNonZSClusterShapes")),
0070       reducedBarrelRecHitCollectionToken_(
0071           consumes<EcalRecHitCollection>(iConfig.getParameter<edm::InputTag>("reducedBarrelRecHitCollection"))),
0072       reducedEndcapRecHitCollectionToken_(
0073           consumes<EcalRecHitCollection>(iConfig.getParameter<edm::InputTag>("reducedEndcapRecHitCollection"))),
0074       modifyPhoton_(iConfig.getParameter<bool>("modifyPhotons")),
0075       ecalClusterToolsESGetTokens_{consumesCollector()} {
0076   if (modifyPhoton_) {
0077     const edm::ParameterSet& mod_config = iConfig.getParameter<edm::ParameterSet>("modifierConfig");
0078     photonModifier_ = std::make_unique<pat::ObjectModifier<pat::Photon>>(mod_config, consumesCollector());
0079   }
0080 
0081   mayConsume<EcalRecHitCollection>(edm::InputTag("reducedEcalRecHitsEB"));
0082   mayConsume<EcalRecHitCollection>(edm::InputTag("reducedEcalRecHitsEE"));
0083 
0084   produces<std::vector<pat::Photon>>();
0085 }
0086 
0087 void pat::PATPhotonSlimmer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup) {
0088   using namespace edm;
0089   using namespace std;
0090 
0091   Handle<View<pat::Photon>> src;
0092   iEvent.getByToken(src_, src);
0093 
0094   Handle<edm::ValueMap<std::vector<reco::PFCandidateRef>>> reco2pf;
0095   Handle<edm::Association<pat::PackedCandidateCollection>> pf2pc;
0096   Handle<pat::PackedCandidateCollection> pc;
0097   if (linkToPackedPF_) {
0098     iEvent.getByToken(reco2pf_, reco2pf);
0099     iEvent.getByToken(pf2pc_, pf2pc);
0100     iEvent.getByToken(pc_, pc);
0101   }
0102   noZS::EcalClusterLazyTools lazyToolsNoZS(iEvent,
0103                                            ecalClusterToolsESGetTokens_.get(iSetup),
0104                                            reducedBarrelRecHitCollectionToken_,
0105                                            reducedEndcapRecHitCollectionToken_);
0106 
0107   auto out = std::make_unique<std::vector<pat::Photon>>();
0108   out->reserve(src->size());
0109 
0110   if (modifyPhoton_) {
0111     photonModifier_->setEvent(iEvent);
0112   }
0113   if (modifyPhoton_)
0114     photonModifier_->setEventContent(iSetup);
0115 
0116   std::vector<unsigned int> keys;
0117   for (View<pat::Photon>::const_iterator it = src->begin(), ed = src->end(); it != ed; ++it) {
0118     out->push_back(*it);
0119     pat::Photon& photon = out->back();
0120 
0121     if (modifyPhoton_) {
0122       photonModifier_->modify(photon);
0123     }
0124 
0125     if (dropSuperClusters_(photon)) {
0126       photon.superCluster_.clear();
0127       photon.embeddedSuperCluster_ = false;
0128     }
0129     if (dropBasicClusters_(photon)) {
0130       photon.basicClusters_.clear();
0131     }
0132     if (dropPreshowerClusters_(photon)) {
0133       photon.preshowerClusters_.clear();
0134     }
0135     if (dropSeedCluster_(photon)) {
0136       photon.seedCluster_.clear();
0137       photon.embeddedSeedCluster_ = false;
0138     }
0139     if (dropRecHits_(photon)) {
0140       photon.recHits_ = EcalRecHitCollection();
0141       photon.embeddedRecHits_ = false;
0142     }
0143     if (dropSaturation_(photon)) {
0144       photon.setSaturationInfo(reco::Photon::SaturationInfo());
0145     }
0146     if (dropRegressionData_(photon)) {
0147       photon.setEMax(0);
0148       photon.setE2nd(0);
0149       photon.setE3x3(0);
0150       photon.setETop(0);
0151       photon.setEBottom(0);
0152       photon.setELeft(0);
0153       photon.setERight(0);
0154       photon.setSee(0);
0155       photon.setSep(0);
0156       photon.setSpp(0);
0157       photon.setMaxDR(0);
0158       photon.setMaxDRDPhi(0);
0159       photon.setMaxDRDEta(0);
0160       photon.setMaxDRRawEnergy(0);
0161       photon.setSubClusRawE1(0);
0162       photon.setSubClusRawE2(0);
0163       photon.setSubClusRawE3(0);
0164       photon.setSubClusDPhi1(0);
0165       photon.setSubClusDPhi2(0);
0166       photon.setSubClusDPhi3(0);
0167       photon.setSubClusDEta1(0);
0168       photon.setSubClusDEta2(0);
0169       photon.setSubClusDEta3(0);
0170       photon.setCryPhi(0);
0171       photon.setCryEta(0);
0172       photon.setIEta(0);
0173       photon.setIPhi(0);
0174     }
0175 
0176     if (linkToPackedPF_) {
0177       //std::cout << " PAT  photon in  " << src.id() << " comes from " << photon.refToOrig_.id() << ", " << photon.refToOrig_.key() << std::endl;
0178       keys.clear();
0179       for (auto const& pf : (*reco2pf)[photon.refToOrig_]) {
0180         if (pf2pc->contains(pf.id())) {
0181           keys.push_back((*pf2pc)[pf].key());
0182         }
0183       }
0184       photon.setAssociatedPackedPFCandidates(
0185           edm::RefProd<pat::PackedCandidateCollection>(pc), keys.begin(), keys.end());
0186       //std::cout << "Photon with pt " << photon.pt() << " associated to " << photon.associatedPackedFCandidateIndices_.size() << " PF Candidates\n";
0187       //if there's just one PF Cand then it's me, otherwise I have no univoque parent so my ref will be null
0188       if (keys.size() == 1) {
0189         photon.refToOrig_ = photon.sourceCandidatePtr(0);
0190       } else {
0191         photon.refToOrig_ = reco::CandidatePtr(pc.id());
0192       }
0193     }
0194     if (saveNonZSClusterShapes_(photon)) {
0195       const auto& vCov = lazyToolsNoZS.localCovariances(*(photon.superCluster()->seed()));
0196       float r9 = lazyToolsNoZS.e3x3(*(photon.superCluster()->seed())) / photon.superCluster()->rawEnergy();
0197       float sigmaIetaIeta = (!edm::isNotFinite(vCov[0])) ? sqrt(vCov[0]) : 0;
0198       float sigmaIetaIphi = vCov[1];
0199       float sigmaIphiIphi = (!edm::isNotFinite(vCov[2])) ? sqrt(vCov[2]) : 0;
0200       float e15o55 =
0201           lazyToolsNoZS.e1x5(*(photon.superCluster()->seed())) / lazyToolsNoZS.e5x5(*(photon.superCluster()->seed()));
0202       photon.addUserFloat("sigmaIetaIeta_NoZS", sigmaIetaIeta);
0203       photon.addUserFloat("sigmaIetaIphi_NoZS", sigmaIetaIphi);
0204       photon.addUserFloat("sigmaIphiIphi_NoZS", sigmaIphiIphi);
0205       photon.addUserFloat("r9_NoZS", r9);
0206       photon.addUserFloat("e1x5_over_e5x5_NoZS", e15o55);
0207     }
0208   }
0209 
0210   iEvent.put(std::move(out));
0211 }
0212 
0213 #include "FWCore/Framework/interface/MakerMacros.h"
0214 using namespace pat;
0215 DEFINE_FWK_MODULE(PATPhotonSlimmer);
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