File indexing completed on 2023-10-25 09:59:13
0001 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0002
0003 #include "FWCore/Framework/interface/Event.h"
0004 #include "FWCore/Framework/interface/EventSetup.h"
0005
0006 #include "DataFormats/Candidate/interface/Candidate.h"
0007 #include "DataFormats/Candidate/interface/CandidateFwd.h"
0008
0009 #include "DataFormats/EgammaCandidates/interface/Photon.h"
0010 #include "DataFormats/EgammaCandidates/interface/PhotonFwd.h"
0011
0012 #include "FWCore/Framework/interface/ConsumesCollector.h"
0013
0014 #include "DataFormats/ParticleFlowCandidate/interface/PFCandidate.h"
0015 #include "DataFormats/PatCandidates/interface/PackedCandidate.h"
0016
0017 #include "PhysicsTools/IsolationAlgos/interface/IsoDepositVetoFactory.h"
0018 #include "DataFormats/RecoCandidate/interface/IsoDepositVetos.h"
0019
0020 #include "PhysicsTools/IsolationAlgos/interface/CITKIsolationConeDefinitionBase.h"
0021 #include "DataFormats/Math/interface/deltaR.h"
0022
0023 #include "DataFormats/EcalDetId/interface/EcalSubdetector.h"
0024
0025 #include <unordered_map>
0026
0027 namespace reco {
0028 typedef edm::Ptr<reco::Photon> recoPhotonPtr;
0029 }
0030
0031 namespace pat {
0032 typedef edm::Ptr<pat::PackedCandidate> PackedCandidatePtr;
0033 }
0034
0035 class PhotonPFIsolationWithConeVeto : public citk::IsolationConeDefinitionBase {
0036 public:
0037 PhotonPFIsolationWithConeVeto(const edm::ParameterSet& c)
0038 : citk::IsolationConeDefinitionBase(c),
0039 _vetoConeSize2EB(std::pow(c.getParameter<double>("VetoConeSizeBarrel"), 2.0)),
0040 _vetoConeSize2EE(std::pow(c.getParameter<double>("VetoConeSizeEndcaps"), 2.0)),
0041 _miniAODVertexCodes(c.getParameter<std::vector<unsigned> >("miniAODVertexCodes")),
0042 _vertexIndex(c.getParameter<int>("vertexIndex")),
0043 _isolateAgainst(c.getParameter<std::string>("isolateAgainst")) {
0044 char buf[50];
0045 sprintf(buf, "BarVeto%.2f-EndVeto%.2f", std::sqrt(_vetoConeSize2EB), std::sqrt(_vetoConeSize2EE));
0046 _additionalCode = std::string(buf);
0047 auto decimal = _additionalCode.find('.');
0048 while (decimal != std::string::npos) {
0049 _additionalCode.erase(decimal, 1);
0050 decimal = _additionalCode.find('.');
0051 }
0052 }
0053 PhotonPFIsolationWithConeVeto(const PhotonPFIsolationWithConeVeto&) = delete;
0054 PhotonPFIsolationWithConeVeto& operator=(const PhotonPFIsolationWithConeVeto&) = delete;
0055
0056 void setConsumes(edm::ConsumesCollector) override {}
0057
0058 bool isInIsolationCone(const reco::CandidatePtr& photon, const reco::CandidatePtr& pfCandidate) const final;
0059
0060
0061 ~PhotonPFIsolationWithConeVeto() override{};
0062
0063 private:
0064 const float _vetoConeSize2EB, _vetoConeSize2EE;
0065 const std::vector<unsigned> _miniAODVertexCodes;
0066 const unsigned _vertexIndex;
0067 const std::string _isolateAgainst;
0068 edm::EDGetTokenT<reco::VertexCollection> _vtxToken;
0069 };
0070
0071 DEFINE_EDM_PLUGIN(CITKIsolationConeDefinitionFactory, PhotonPFIsolationWithConeVeto, "PhotonPFIsolationWithConeVeto");
0072
0073 bool PhotonPFIsolationWithConeVeto::isInIsolationCone(const reco::CandidatePtr& photon,
0074 const reco::CandidatePtr& pfCandidate) const {
0075 reco::recoPhotonPtr photonref(photon);
0076 pat::PackedCandidatePtr aspacked(pfCandidate);
0077 reco::PFCandidatePtr aspf(pfCandidate);
0078 const reco::CaloClusterPtr& seed = photonref->superCluster()->seed();
0079 bool isEB = (seed->seed().subdetId() == EcalBarrel);
0080 const float deltar2 = reco::deltaR2(*photon, *pfCandidate);
0081 const float vetoConeSize2 = (isEB ? _vetoConeSize2EB : _vetoConeSize2EE);
0082 bool result = true;
0083 if (aspacked.isNonnull() && aspacked.get()) {
0084 if (aspacked->charge() != 0) {
0085 bool is_vertex_allowed = false;
0086 for (const unsigned vtxtype : _miniAODVertexCodes) {
0087 if (vtxtype == aspacked->fromPV(_vertexIndex)) {
0088 is_vertex_allowed = true;
0089 break;
0090 }
0091 }
0092 result &= (is_vertex_allowed);
0093 }
0094 result &= deltar2 > vetoConeSize2 && deltar2 < _coneSize2;
0095 } else if (aspf.isNonnull() && aspf.get()) {
0096 result &= deltar2 > vetoConeSize2 && deltar2 < _coneSize2;
0097 } else {
0098 throw cms::Exception("InvalidIsolationInput") << "The supplied candidate to be used as isolation "
0099 << "was neither a reco::PFCandidate nor a pat::PackedCandidate!";
0100 }
0101 return result;
0102 }
