Skip to content

Migrate RecHit-based rho producer to use HCal noise cuts from GT #43176

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
cmsbuild merged 1 commit into from
Nov 28, 2023
Merged

Migrate RecHit-based rho producer to use HCal noise cuts from GT #43176

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
41 changes: 33 additions & 8 deletions RecoJets/JetProducers/plugins/FixedGridRhoProducerFastjetFromRecHit.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@ So this recHit-based rho producer, FixedGridRhoProducerFastjetFromRecHit, can be
#include "CondFormats/DataRecord/interface/EcalPFRecHitThresholdsRcd.h"
#include "fastjet/tools/GridMedianBackgroundEstimator.hh"
#include "RecoEgamma/EgammaIsolationAlgos/interface/EgammaHcalIsolation.h"
#include "CondFormats/DataRecord/interface/HcalPFCutsRcd.h"
#include "CondTools/Hcal/interface/HcalPFCutsHandler.h"

class FixedGridRhoProducerFastjetFromRecHit : public edm::stream::EDProducer<> {
public:
Expand All @@ -35,9 +37,10 @@ class FixedGridRhoProducerFastjetFromRecHit : public edm::stream::EDProducer<> {
static void fillDescriptions(edm::ConfigurationDescriptions &descriptions);

private:
void beginRun(edm::Run const &, edm::EventSetup const &) override;
void produce(edm::Event &, const edm::EventSetup &) override;
std::array<double, 4> getHitP4(const DetId &detId, const double hitE, const CaloGeometry &caloGeometry) const;
bool passedHcalNoiseCut(const HBHERecHit &hit) const;
bool passedHcalNoiseCut(const HBHERecHit &hit, const HcalPFCuts *) const;
bool passedEcalNoiseCut(const EcalRecHit &hit, const EcalPFRecHitThresholds &thresholds) const;

fastjet::GridMedianBackgroundEstimator bge_;
Expand All @@ -55,6 +58,11 @@ class FixedGridRhoProducerFastjetFromRecHit : public edm::stream::EDProducer<> {

const edm::ESGetToken<EcalPFRecHitThresholds, EcalPFRecHitThresholdsRcd> ecalPFRecHitThresholdsToken_;
const edm::ESGetToken<CaloGeometry, CaloGeometryRecord> caloGeometryToken_;

// following are needed to grab HCal thresholds from GT
edm::ESGetToken<HcalPFCuts, HcalPFCutsRcd> hcalCutsToken_;
const bool cutsFromDB_;
HcalPFCuts const *paramPF_ = nullptr;
};

FixedGridRhoProducerFastjetFromRecHit::FixedGridRhoProducerFastjetFromRecHit(const edm::ParameterSet &iConfig)
Expand All @@ -67,11 +75,15 @@ FixedGridRhoProducerFastjetFromRecHit::FixedGridRhoProducerFastjetFromRecHit(con
skipHCAL_(iConfig.getParameter<bool>("skipHCAL")),
skipECAL_(iConfig.getParameter<bool>("skipECAL")),
ecalPFRecHitThresholdsToken_{esConsumes()},
caloGeometryToken_{esConsumes()} {
caloGeometryToken_{esConsumes()},
cutsFromDB_(iConfig.getParameter<bool>("usePFThresholdsFromDB")) {
if (skipHCAL_ && skipECAL_) {
throw cms::Exception("FixedGridRhoProducerFastjetFromRecHit")
<< "skipHCAL and skipECAL both can't be True. Please make at least one of them False.";
}
if (cutsFromDB_) {
hcalCutsToken_ = esConsumes<HcalPFCuts, HcalPFCutsRcd, edm::Transition::BeginRun>(edm::ESInputTag("", "withTopo"));
}
produces<double>();
}

Expand All @@ -89,11 +101,18 @@ void FixedGridRhoProducerFastjetFromRecHit::fillDescriptions(edm::ConfigurationD
desc.add<std::vector<double> >("eThresHE", {0.1, 0.2, 0.2, 0.2, 0.2, 0.2, 0.2});
desc.add<double>("maxRapidity", 2.5);
desc.add<double>("gridSpacing", 0.55);
desc.add<bool>("usePFThresholdsFromDB", true);
descriptions.addWithDefaultLabel(desc);
}

FixedGridRhoProducerFastjetFromRecHit::~FixedGridRhoProducerFastjetFromRecHit() = default;

void FixedGridRhoProducerFastjetFromRecHit::beginRun(edm::Run const &r, edm::EventSetup const &es) {
if (cutsFromDB_) {
paramPF_ = &es.getData(hcalCutsToken_);
}
}

void FixedGridRhoProducerFastjetFromRecHit::produce(edm::Event &iEvent, const edm::EventSetup &iSetup) {
std::vector<fastjet::PseudoJet> inputs;
auto const &thresholds = iSetup.getData(ecalPFRecHitThresholdsToken_);
Expand All @@ -103,7 +122,7 @@ void FixedGridRhoProducerFastjetFromRecHit::produce(edm::Event &iEvent, const ed
auto const &hbheRecHits = iEvent.get(hbheRecHitsTag_);
inputs.reserve(inputs.size() + hbheRecHits.size());
for (const auto &hit : hbheRecHits) {
if (passedHcalNoiseCut(hit)) {
if (passedHcalNoiseCut(hit, paramPF_)) {
const auto &hitp4 = getHitP4(hit.id(), hit.energy(), caloGeometry);
inputs.emplace_back(fastjet::PseudoJet(hitp4[0], hitp4[1], hitp4[2], hitp4[3]));
}
Expand Down Expand Up @@ -147,11 +166,17 @@ std::array<double, 4> FixedGridRhoProducerFastjetFromRecHit::getHitP4(const DetI
}

//HCAL noise cleaning cuts.
bool FixedGridRhoProducerFastjetFromRecHit::passedHcalNoiseCut(const HBHERecHit &hit) const {
const auto thisDetId = hit.id();
const auto thisDepth = thisDetId.depth();
return (thisDetId.subdet() == HcalBarrel && hit.energy() > eThresHB_[thisDepth - 1]) ||
(thisDetId.subdet() == HcalEndcap && hit.energy() > eThresHE_[thisDepth - 1]);
bool FixedGridRhoProducerFastjetFromRecHit::passedHcalNoiseCut(const HBHERecHit &hit,
const HcalPFCuts *hcalcuts) const {
if (hcalcuts != nullptr) { // using hcal cuts from DB
const HcalPFCut *item = hcalcuts->getValues(hit.id().rawId());
return (hit.energy() > item->noiseThreshold());
} else { // using hcal cuts from config file
const auto thisDetId = hit.id();
const auto thisDepth = thisDetId.depth();
return (thisDetId.subdet() == HcalBarrel && hit.energy() > eThresHB_[thisDepth - 1]) ||
(thisDetId.subdet() == HcalEndcap && hit.energy() > eThresHE_[thisDepth - 1]);
}
}

//ECAL noise cleaning cuts using per-crystal PF-recHit thresholds.
Expand Down