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File indexing completed on 2021-07-17 01:47:56

0001 /* class PFRecoTauTagInfoProducer
0002  * returns a PFTauTagInfo collection starting from a JetTrackAssociations <a PFJet,a list of Tracks> collection,
0003  * created: Aug 28 2007,
0004  * revised: ,
0005  * authors: Ludovic Houchu
0006  */
0007 
0008 #include "DataFormats/JetReco/interface/JetTracksAssociation.h"
0009 #include "DataFormats/TauReco/interface/PFTauTagInfo.h"
0010 #include "DataFormats/VertexReco/interface/Vertex.h"
0011 #include "DataFormats/VertexReco/interface/VertexFwd.h"
0012 
0013 #include "RecoTauTag/RecoTau/interface/PFRecoTauTagInfoAlgorithm.h"
0014 
0015 #include "FWCore/Framework/interface/EventSetup.h"
0016 #include "FWCore/Framework/interface/Event.h"
0017 #include "FWCore/Framework/interface/MakerMacros.h"
0018 #include "FWCore/Framework/interface/Frameworkfwd.h"
0019 #include "FWCore/Framework/interface/global/EDProducer.h"
0020 
0021 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0022 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0023 
0024 #include <FWCore/ParameterSet/interface/ConfigurationDescriptions.h>
0025 #include <FWCore/ParameterSet/interface/ParameterSetDescription.h>
0026 
0027 #include "CLHEP/Random/RandGauss.h"
0028 
0029 #include "Math/GenVector/VectorUtil.h"
0030 
0031 #include <memory>
0032 
0033 using namespace reco;
0034 using namespace edm;
0035 using namespace std;
0036 
0037 class PFRecoTauTagInfoProducer : public edm::global::EDProducer<> {
0038 public:
0039   explicit PFRecoTauTagInfoProducer(const edm::ParameterSet& iConfig);
0040   ~PFRecoTauTagInfoProducer() override;
0041   void produce(edm::StreamID, edm::Event&, const edm::EventSetup&) const override;
0042   static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
0043 
0044 private:
0045   std::unique_ptr<const PFRecoTauTagInfoAlgorithm> PFRecoTauTagInfoAlgo_;
0046   edm::InputTag PFCandidateProducer_;
0047   edm::InputTag PFJetTracksAssociatorProducer_;
0048   edm::InputTag PVProducer_;
0049   double smearedPVsigmaX_;
0050   double smearedPVsigmaY_;
0051   double smearedPVsigmaZ_;
0052 
0053   edm::EDGetTokenT<PFCandidateCollection> PFCandidate_token;
0054   edm::EDGetTokenT<JetTracksAssociationCollection> PFJetTracksAssociator_token;
0055   edm::EDGetTokenT<VertexCollection> PV_token;
0056 };
0057 
0058 PFRecoTauTagInfoProducer::PFRecoTauTagInfoProducer(const edm::ParameterSet& iConfig) {
0059   PFCandidateProducer_ = iConfig.getParameter<edm::InputTag>("PFCandidateProducer");
0060   PFJetTracksAssociatorProducer_ = iConfig.getParameter<edm::InputTag>("PFJetTracksAssociatorProducer");
0061   PVProducer_ = iConfig.getParameter<edm::InputTag>("PVProducer");
0062   smearedPVsigmaX_ = iConfig.getParameter<double>("smearedPVsigmaX");
0063   smearedPVsigmaY_ = iConfig.getParameter<double>("smearedPVsigmaY");
0064   smearedPVsigmaZ_ = iConfig.getParameter<double>("smearedPVsigmaZ");
0065   PFRecoTauTagInfoAlgo_ = std::make_unique<PFRecoTauTagInfoAlgorithm>(iConfig);
0066   PFCandidate_token = consumes<PFCandidateCollection>(PFCandidateProducer_);
0067   PFJetTracksAssociator_token = consumes<JetTracksAssociationCollection>(PFJetTracksAssociatorProducer_);
0068   PV_token = consumes<VertexCollection>(PVProducer_);
0069   produces<PFTauTagInfoCollection>();
0070 }
0071 PFRecoTauTagInfoProducer::~PFRecoTauTagInfoProducer() {}
0072 
0073 void PFRecoTauTagInfoProducer::produce(edm::StreamID, edm::Event& iEvent, const edm::EventSetup& iSetup) const {
0074   edm::Handle<JetTracksAssociationCollection> thePFJetTracksAssociatorCollection;
0075   iEvent.getByToken(PFJetTracksAssociator_token, thePFJetTracksAssociatorCollection);
0076   // *** access the PFCandidateCollection in the event in order to retrieve the PFCandidateRefVector which constitutes each PFJet
0077   edm::Handle<PFCandidateCollection> thePFCandidateCollection;
0078   iEvent.getByToken(PFCandidate_token, thePFCandidateCollection);
0079   vector<CandidatePtr> thePFCandsInTheEvent;
0080   for (unsigned int i_PFCand = 0; i_PFCand != thePFCandidateCollection->size(); i_PFCand++) {
0081     thePFCandsInTheEvent.push_back(CandidatePtr(thePFCandidateCollection, i_PFCand));
0082   }
0083   // ***
0084   // query a rec/sim PV
0085   edm::Handle<VertexCollection> thePVs;
0086   iEvent.getByToken(PV_token, thePVs);
0087   const VertexCollection vertCollection = *(thePVs.product());
0088   math::XYZPoint V(0, 0, -1000.);
0089 
0090   Vertex thePV;
0091   if (!vertCollection.empty())
0092     thePV = *(vertCollection.begin());
0093   else {
0094     Vertex::Error SimPVError;
0095     SimPVError(0, 0) = 15. * 15.;
0096     SimPVError(1, 1) = 15. * 15.;
0097     SimPVError(2, 2) = 15. * 15.;
0098     Vertex::Point SimPVPoint(0., 0., -1000.);
0099     thePV = Vertex(SimPVPoint, SimPVError, 1, 1, 1);
0100   }
0101 
0102   auto resultExt = std::make_unique<PFTauTagInfoCollection>();
0103   for (JetTracksAssociationCollection::const_iterator iAssoc = thePFJetTracksAssociatorCollection->begin();
0104        iAssoc != thePFJetTracksAssociatorCollection->end();
0105        iAssoc++) {
0106     PFTauTagInfo myPFTauTagInfo = PFRecoTauTagInfoAlgo_->buildPFTauTagInfo(
0107         JetBaseRef((*iAssoc).first), thePFCandsInTheEvent, (*iAssoc).second, thePV);
0108     resultExt->push_back(myPFTauTagInfo);
0109   }
0110 
0111   //  OrphanHandle<PFTauTagInfoCollection> myPFTauTagInfoCollection=iEvent.put(std::move(resultExt));
0112   iEvent.put(std::move(resultExt));
0113 }
0114 
0115 void PFRecoTauTagInfoProducer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0116   {
0117     // pfRecoTauTagInfoProducerInsideOut
0118     edm::ParameterSetDescription desc;
0119     desc.add<int>("tkminTrackerHitsn", 3);
0120     desc.add<double>("tkminPt", 0.5);
0121     desc.add<double>("tkmaxChi2", 100.0);
0122     desc.add<double>("ChargedHadrCand_AssociationCone", 1.0);
0123     desc.add<int>("ChargedHadrCand_tkminTrackerHitsn", 3);
0124     desc.add<double>("ChargedHadrCand_tkmaxChi2", 100.0);
0125     desc.add<double>("tkPVmaxDZ", 0.2);
0126     desc.add<double>("GammaCand_EcalclusMinEt", 1.0);
0127     desc.add<int>("tkminPixelHitsn", 0);
0128     desc.add<edm::InputTag>("PVProducer", edm::InputTag("offlinePrimaryVertices"));
0129     desc.add<edm::InputTag>("PFCandidateProducer", edm::InputTag("particleFlow"));
0130     desc.add<double>("ChargedHadrCand_tkminPt", 0.5);
0131     desc.add<double>("ChargedHadrCand_tkmaxipt", 0.03);
0132     desc.add<int>("ChargedHadrCand_tkminPixelHitsn", 0);
0133     desc.add<bool>("UsePVconstraint", true);
0134     desc.add<double>("NeutrHadrCand_HcalclusMinEt", 1.0);
0135     desc.add<edm::InputTag>("PFJetTracksAssociatorProducer", edm::InputTag("insideOutJetTracksAssociatorAtVertex"));
0136     desc.add<double>("smearedPVsigmaY", 0.0015);
0137     desc.add<double>("smearedPVsigmaX", 0.0015);
0138     desc.add<double>("smearedPVsigmaZ", 0.005);
0139     desc.add<double>("ChargedHadrCand_tkPVmaxDZ", 0.2);
0140     desc.add<double>("tkmaxipt", 0.03);
0141     descriptions.add("pfRecoTauTagInfoProducerInsideOut", desc);
0142   }
0143   {
0144     // pfRecoTauTagInfoProducer
0145     edm::ParameterSetDescription desc;
0146     desc.add<int>("tkminTrackerHitsn", 3);
0147     desc.add<double>("tkminPt", 0.5);
0148     desc.add<double>("tkmaxChi2", 100.0);
0149     desc.add<double>("ChargedHadrCand_AssociationCone", 0.8);
0150     desc.add<int>("ChargedHadrCand_tkminTrackerHitsn", 3);
0151     desc.add<double>("ChargedHadrCand_tkmaxChi2", 100.0);
0152     desc.add<double>("tkPVmaxDZ", 0.2);
0153     desc.add<double>("GammaCand_EcalclusMinEt", 1.0);
0154     desc.add<int>("tkminPixelHitsn", 0);
0155     desc.add<edm::InputTag>("PVProducer", edm::InputTag("offlinePrimaryVertices"));
0156     desc.add<edm::InputTag>("PFCandidateProducer", edm::InputTag("particleFlow"));
0157     desc.add<double>("ChargedHadrCand_tkminPt", 0.5);
0158     desc.add<double>("ChargedHadrCand_tkmaxipt", 0.03);
0159     desc.add<int>("ChargedHadrCand_tkminPixelHitsn", 0);
0160     desc.add<bool>("UsePVconstraint", true);
0161     desc.add<double>("NeutrHadrCand_HcalclusMinEt", 1.0);
0162     desc.add<edm::InputTag>("PFJetTracksAssociatorProducer", edm::InputTag("ak4PFJetTracksAssociatorAtVertex"));
0163     desc.add<double>("smearedPVsigmaY", 0.0015);
0164     desc.add<double>("smearedPVsigmaX", 0.0015);
0165     desc.add<double>("smearedPVsigmaZ", 0.005);
0166     desc.add<double>("ChargedHadrCand_tkPVmaxDZ", 0.2);
0167     desc.add<double>("tkmaxipt", 0.03);
0168     descriptions.add("pfRecoTauTagInfoProducer", desc);
0169   }
0170 }
0171 
0172 DEFINE_FWK_MODULE(PFRecoTauTagInfoProducer);