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#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/HLTReco/interface/TriggerFilterObjectWithRefs.h"
#include "DataFormats/HLTReco/interface/TriggerRefsCollections.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/RecoCandidate/interface/RecoChargedCandidate.h"
#include "DataFormats/RecoCandidate/interface/RecoChargedCandidateFwd.h"
#include "DataFormats/MuonReco/interface/MuonFwd.h"
#include "HLTMuonTrkL1TFilter.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
#include "DataFormats/MuonSeed/interface/L3MuonTrajectorySeed.h"
#include "DataFormats/MuonSeed/interface/L3MuonTrajectorySeedCollection.h"
#include "TrackingTools/PatternTools/interface/ClosestApproachInRPhi.h"
#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
#include "MagneticField/Engine/interface/MagneticField.h"
#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/Utilities/interface/EDMException.h"
#include "DataFormats/Math/interface/deltaR.h"
HLTMuonTrkL1TFilter::HLTMuonTrkL1TFilter(const edm::ParameterSet& iConfig)
: HLTFilter(iConfig),
propSetup_(iConfig, consumesCollector()),
m_muonsTag(iConfig.getParameter<edm::InputTag>("inputMuonCollection")),
m_muonsToken(consumes<reco::MuonCollection>(m_muonsTag)),
m_candsTag(iConfig.getParameter<edm::InputTag>("inputCandCollection")),
m_candsToken(consumes<reco::RecoChargedCandidateCollection>(m_candsTag)),
m_previousCandTag(iConfig.getParameter<edm::InputTag>("previousCandTag")),
m_previousCandToken(consumes<trigger::TriggerFilterObjectWithRefs>(m_previousCandTag)),
m_minTrkHits(iConfig.getParameter<int>("minTrkHits")),
m_minMuonHits(iConfig.getParameter<int>("minMuonHits")),
m_minMuonStations(iConfig.getParameter<int>("minMuonStations")),
m_maxNormalizedChi2(iConfig.getParameter<double>("maxNormalizedChi2")),
m_allowedTypeMask(iConfig.getParameter<unsigned int>("allowedTypeMask")),
m_requiredTypeMask(iConfig.getParameter<unsigned int>("requiredTypeMask")),
m_trkMuonId(muon::SelectionType(iConfig.getParameter<unsigned int>("trkMuonId"))),
m_minPt(iConfig.getParameter<double>("minPt")),
m_minN(iConfig.getParameter<unsigned int>("minN")),
m_maxAbsEta(iConfig.getParameter<double>("maxAbsEta")),
m_l1MatchingdR(iConfig.getParameter<double>("L1MatchingdR")),
m_l1MatchingdR2(m_l1MatchingdR * m_l1MatchingdR) {
if (m_l1MatchingdR <= 0.) {
throw cms::Exception("HLTMuonTrkL1TFilterConfiguration")
<< "invalid value for parameter \"L1MatchingdR\" (must be > 0): " << m_l1MatchingdR;
}
}
void HLTMuonTrkL1TFilter::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
edm::ParameterSetDescription desc;
makeHLTFilterDescription(desc);
desc.add<edm::InputTag>("inputMuonCollection", edm::InputTag(""));
desc.add<edm::InputTag>("inputCandCollection", edm::InputTag(""));
desc.add<edm::InputTag>("previousCandTag", edm::InputTag(""));
desc.add<int>("minTrkHits", -1);
desc.add<int>("minMuonHits", -1);
desc.add<int>("minMuonStations", -1);
desc.add<double>("maxNormalizedChi2", 1e99);
desc.add<unsigned int>("allowedTypeMask", 255);
desc.add<unsigned int>("requiredTypeMask", 0);
desc.add<unsigned int>("trkMuonId", 0);
desc.add<double>("minPt", 24);
desc.add<unsigned int>("minN", 1);
desc.add<double>("maxAbsEta", 1e99);
desc.add<double>("L1MatchingdR", 0.3);
PropagateToMuonSetup::fillPSetDescription(desc);
descriptions.add("hltMuonTrkL1TFilter", desc);
}
bool HLTMuonTrkL1TFilter::hltFilter(edm::Event& iEvent,
const edm::EventSetup& iSetup,
trigger::TriggerFilterObjectWithRefs& filterproduct) const {
auto const prop = propSetup_.init(iSetup);
edm::Handle<reco::MuonCollection> muons;
iEvent.getByToken(m_muonsToken, muons);
edm::Handle<reco::RecoChargedCandidateCollection> cands;
iEvent.getByToken(m_candsToken, cands);
if (saveTags())
filterproduct.addCollectionTag(m_candsTag);
if (cands->size() != muons->size())
throw edm::Exception(edm::errors::Configuration)
<< "Both input collection must be aligned and represent same physical muon objects";
edm::Handle<trigger::TriggerFilterObjectWithRefs> previousLevelCands;
std::vector<l1t::MuonRef> vl1cands;
std::vector<l1t::MuonRef>::iterator vl1cands_begin;
std::vector<l1t::MuonRef>::iterator vl1cands_end;
bool check_l1match = true;
if (m_previousCandTag == edm::InputTag(""))
check_l1match = false;
if (check_l1match) {
iEvent.getByToken(m_previousCandToken, previousLevelCands);
previousLevelCands->getObjects(trigger::TriggerL1Mu, vl1cands);
vl1cands_begin = vl1cands.begin();
vl1cands_end = vl1cands.end();
}
std::vector<unsigned int> filteredMuons;
for (unsigned int i = 0; i < muons->size(); ++i) {
const reco::Muon& muon(muons->at(i));
if (check_l1match) {
const reco::RecoChargedCandidateRef cand(cands, i);
const reco::TrackRef tk = cand->track();
auto etaForMatch = cand->eta();
auto phiForMatch = cand->phi();
// check for dR match to L1 muons
if (tk.isNonnull()) {
auto const propagated = prop.extrapolate(*tk);
if (propagated.isValid()) {
etaForMatch = propagated.globalPosition().eta();
phiForMatch = propagated.globalPosition().phi();
}
}
bool matchl1 = false;
for (auto l1cand = vl1cands_begin; l1cand != vl1cands_end; ++l1cand) {
if (deltaR2(etaForMatch, phiForMatch, (*l1cand)->eta(), (*l1cand)->phi()) < m_l1MatchingdR2) {
matchl1 = true;
break;
}
}
if (!matchl1)
continue;
}
if ((muon.type() & m_allowedTypeMask) == 0)
continue;
if ((muon.type() & m_requiredTypeMask) != m_requiredTypeMask)
continue;
if (muon.numberOfMatchedStations() < m_minMuonStations)
continue;
if (!muon.innerTrack().isNull()) {
if (muon.innerTrack()->numberOfValidHits() < m_minTrkHits)
continue;
}
if (!muon.globalTrack().isNull()) {
if (muon.globalTrack()->normalizedChi2() > m_maxNormalizedChi2)
continue;
if (muon.globalTrack()->hitPattern().numberOfValidMuonHits() < m_minMuonHits)
continue;
}
if (muon.isTrackerMuon() && !muon::isGoodMuon(muon, m_trkMuonId))
continue;
if (muon.pt() < m_minPt)
continue;
if (std::abs(muon.eta()) > m_maxAbsEta)
continue;
filteredMuons.push_back(i);
}
for (std::vector<unsigned int>::const_iterator itr = filteredMuons.begin(); itr != filteredMuons.end(); ++itr)
filterproduct.addObject(trigger::TriggerMuon, reco::RecoChargedCandidateRef(cands, *itr));
return filteredMuons.size() >= m_minN;
}
// declare this class as a framework plugin
#include "FWCore/Framework/interface/MakerMacros.h"
DEFINE_FWK_MODULE(HLTMuonTrkL1TFilter);
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