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/** \class HLTJetTimingProducer
*
* \brief This produces timing and associated ecal cell information for calo jets
* \author Matthew Citron
*
*/
#ifndef HLTrigger_JetMET_plugins_HLTJetTimingProducer_h
#define HLTrigger_JetMET_plugins_HLTJetTimingProducer_h
#include <memory>
#include <cmath>
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/stream/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "DataFormats/Common/interface/ValueMap.h"
#include "DataFormats/Common/interface/SortedCollection.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHit.h"
#include "DataFormats/Math/interface/deltaR.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"
#include "HLTrigger/HLTcore/interface/defaultModuleLabel.h"
template <typename T>
class HLTJetTimingProducer : public edm::stream::EDProducer<> {
public:
explicit HLTJetTimingProducer(const edm::ParameterSet&);
static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
private:
void produce(edm::Event&, const edm::EventSetup&) override;
void jetTimeFromEcalCells(const T&,
const edm::SortedCollection<EcalRecHit, edm::StrictWeakOrdering<EcalRecHit>>&,
const CaloGeometry&,
float&,
float&,
uint&);
const edm::ESGetToken<CaloGeometry, CaloGeometryRecord> caloGeometryToken_;
// Input collections
const edm::EDGetTokenT<std::vector<T>> jetInputToken_;
const edm::EDGetTokenT<edm::SortedCollection<EcalRecHit, edm::StrictWeakOrdering<EcalRecHit>>> ecalRecHitsEBToken_;
const edm::EDGetTokenT<edm::SortedCollection<EcalRecHit, edm::StrictWeakOrdering<EcalRecHit>>> ecalRecHitsEEToken_;
// Include barrel, endcap jets or both
const bool barrelJets_;
const bool endcapJets_;
// Configurables for timing definition
const double ecalCellEnergyThresh_;
const double ecalCellTimeThresh_;
const double ecalCellTimeErrorThresh_;
const double matchingRadius2_;
};
template <typename T>
HLTJetTimingProducer<T>::HLTJetTimingProducer(const edm::ParameterSet& iConfig)
: caloGeometryToken_(esConsumes()),
jetInputToken_{consumes<std::vector<T>>(iConfig.getParameter<edm::InputTag>("jets"))},
ecalRecHitsEBToken_{consumes<edm::SortedCollection<EcalRecHit, edm::StrictWeakOrdering<EcalRecHit>>>(
iConfig.getParameter<edm::InputTag>("ebRecHitsColl"))},
ecalRecHitsEEToken_{consumes<edm::SortedCollection<EcalRecHit, edm::StrictWeakOrdering<EcalRecHit>>>(
iConfig.getParameter<edm::InputTag>("eeRecHitsColl"))},
barrelJets_{iConfig.getParameter<bool>("barrelJets")},
endcapJets_{iConfig.getParameter<bool>("endcapJets")},
ecalCellEnergyThresh_{iConfig.getParameter<double>("ecalCellEnergyThresh")},
ecalCellTimeThresh_{iConfig.getParameter<double>("ecalCellTimeThresh")},
ecalCellTimeErrorThresh_{iConfig.getParameter<double>("ecalCellTimeErrorThresh")},
matchingRadius2_{std::pow(iConfig.getParameter<double>("matchingRadius"), 2)} {
produces<edm::ValueMap<float>>("");
produces<edm::ValueMap<unsigned int>>("jetCellsForTiming");
produces<edm::ValueMap<float>>("jetEcalEtForTiming");
}
template <typename T>
void HLTJetTimingProducer<T>::jetTimeFromEcalCells(
const T& jet,
const edm::SortedCollection<EcalRecHit, edm::StrictWeakOrdering<EcalRecHit>>& ecalRecHits,
const CaloGeometry& caloGeometry,
float& weightedTimeCell,
float& totalEmEnergyCell,
uint& nCells) {
for (auto const& ecalRH : ecalRecHits) {
if (ecalRH.checkFlag(EcalRecHit::kSaturated) || ecalRH.checkFlag(EcalRecHit::kLeadingEdgeRecovered) ||
ecalRH.checkFlag(EcalRecHit::kPoorReco) || ecalRH.checkFlag(EcalRecHit::kWeird) ||
ecalRH.checkFlag(EcalRecHit::kDiWeird))
continue;
if (ecalRH.energy() < ecalCellEnergyThresh_)
continue;
if (ecalRH.timeError() <= 0. || ecalRH.timeError() > ecalCellTimeErrorThresh_)
continue;
if (std::abs(ecalRH.time()) > ecalCellTimeThresh_)
continue;
auto const pos = caloGeometry.getPosition(ecalRH.detid());
if (reco::deltaR2(jet, pos) > matchingRadius2_)
continue;
weightedTimeCell += ecalRH.time() * ecalRH.energy() * sin(pos.theta());
totalEmEnergyCell += ecalRH.energy() * sin(pos.theta());
nCells++;
}
if (totalEmEnergyCell > 0) {
weightedTimeCell /= totalEmEnergyCell;
}
}
template <typename T>
void HLTJetTimingProducer<T>::produce(edm::Event& iEvent, const edm::EventSetup& iSetup) {
auto const& caloGeometry = iSetup.getData(caloGeometryToken_);
auto const jets = iEvent.getHandle(jetInputToken_);
auto const& ecalRecHitsEB = iEvent.get(ecalRecHitsEBToken_);
auto const& ecalRecHitsEE = iEvent.get(ecalRecHitsEEToken_);
std::vector<float> jetTimings;
std::vector<unsigned int> jetCellsForTiming;
std::vector<float> jetEcalEtForTiming;
jetTimings.reserve(jets->size());
jetEcalEtForTiming.reserve(jets->size());
jetCellsForTiming.reserve(jets->size());
for (auto const& jet : *jets) {
float weightedTimeCell = 0;
float totalEmEnergyCell = 0;
unsigned int nCells = 0;
if (barrelJets_)
jetTimeFromEcalCells(jet, ecalRecHitsEB, caloGeometry, weightedTimeCell, totalEmEnergyCell, nCells);
if (endcapJets_) {
weightedTimeCell *= totalEmEnergyCell;
jetTimeFromEcalCells(jet, ecalRecHitsEE, caloGeometry, weightedTimeCell, totalEmEnergyCell, nCells);
}
// If there is at least one ecal cell passing selection, calculate timing
jetTimings.emplace_back(totalEmEnergyCell > 0 ? weightedTimeCell : -50);
jetEcalEtForTiming.emplace_back(totalEmEnergyCell);
jetCellsForTiming.emplace_back(nCells);
}
std::unique_ptr<edm::ValueMap<float>> jetTimings_out(new edm::ValueMap<float>());
edm::ValueMap<float>::Filler jetTimings_filler(*jetTimings_out);
jetTimings_filler.insert(jets, jetTimings.begin(), jetTimings.end());
jetTimings_filler.fill();
iEvent.put(std::move(jetTimings_out), "");
std::unique_ptr<edm::ValueMap<float>> jetEcalEtForTiming_out(new edm::ValueMap<float>());
edm::ValueMap<float>::Filler jetEcalEtForTiming_filler(*jetEcalEtForTiming_out);
jetEcalEtForTiming_filler.insert(jets, jetEcalEtForTiming.begin(), jetEcalEtForTiming.end());
jetEcalEtForTiming_filler.fill();
iEvent.put(std::move(jetEcalEtForTiming_out), "jetEcalEtForTiming");
std::unique_ptr<edm::ValueMap<unsigned int>> jetCellsForTiming_out(new edm::ValueMap<unsigned int>());
edm::ValueMap<unsigned int>::Filler jetCellsForTiming_filler(*jetCellsForTiming_out);
jetCellsForTiming_filler.insert(jets, jetCellsForTiming.begin(), jetCellsForTiming.end());
jetCellsForTiming_filler.fill();
iEvent.put(std::move(jetCellsForTiming_out), "jetCellsForTiming");
}
template <typename T>
void HLTJetTimingProducer<T>::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
edm::ParameterSetDescription desc;
desc.add<edm::InputTag>("jets", edm::InputTag(""));
desc.add<bool>("barrelJets", false);
desc.add<bool>("endcapJets", false);
desc.add<double>("ecalCellEnergyThresh", 0.5);
desc.add<double>("ecalCellTimeThresh", 12.5);
desc.add<double>("ecalCellTimeErrorThresh", 100.);
desc.add<double>("matchingRadius", 0.4);
desc.add<edm::InputTag>("ebRecHitsColl", edm::InputTag("hltEcalRecHit", "EcalRecHitsEB"));
desc.add<edm::InputTag>("eeRecHitsColl", edm::InputTag("hltEcalRecHit", "EcalRecHitsEE"));
descriptions.add(defaultModuleLabel<HLTJetTimingProducer<T>>(), desc);
}
#endif // HLTrigger_JetMET_plugins_HLTJetTimingProducer_h
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