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PATMETSlimmer.cc
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PATMETSlimmer.cc
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/**
\class pat::PATMETSlimmer PATMETSlimmer.h "PhysicsTools/PatAlgos/interface/PATMETSlimmer.h"
\brief Slimmer of PAT METs
*/
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/global/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "DataFormats/Common/interface/View.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "DataFormats/PatCandidates/interface/MET.h"
namespace pat {
class PATMETSlimmer : public edm::global::EDProducer<> {
public:
explicit PATMETSlimmer(const edm::ParameterSet & iConfig);
virtual ~PATMETSlimmer() { }
virtual void produce(edm::StreamID, edm::Event & iEvent, const edm::EventSetup & iSetup) const;
private:
class OneMETShift {
public:
OneMETShift() : shift(pat::MET::NoShift), level(pat::MET::None), t0FromMiniAOD(false), corShift(false), uncShift(false), isSmeared(false) {}
OneMETShift(pat::MET::METUncertainty shift_, pat::MET::METCorrectionType level_, const edm::InputTag & baseTag, edm::ConsumesCollector && cc,
bool t0FromMiniAOD_, bool corShift_, bool uncShift_, bool isSmeared_=false) ;
void readAndSet(const edm::Event &ev, pat::MET &met) const;
private:
const pat::MET::METUncertainty shift;
const pat::MET::METCorrectionType level;
edm::EDGetTokenT<pat::METCollection> token;
const bool t0FromMiniAOD;
const bool corShift;
const bool uncShift;
const bool isSmeared;
};
void maybeReadShifts(const edm::ParameterSet &basePSet, const std::string &name, pat::MET::METCorrectionType level, bool readFromMiniAOD=false) ;
const edm::EDGetTokenT<pat::METCollection> src_;
std::vector<OneMETShift> shifts_;
const bool onMiniAOD_;
};
} // namespace
pat::PATMETSlimmer::PATMETSlimmer(const edm::ParameterSet & iConfig) :
src_(consumes<pat::METCollection>(iConfig.getParameter<edm::InputTag>("src"))),
onMiniAOD_(iConfig.existsAs<bool>("runningOnMiniAOD") ? iConfig.getParameter<bool>("runningOnMiniAOD") : false)
{
maybeReadShifts( iConfig, "rawVariation", pat::MET::None );
maybeReadShifts( iConfig, "t1Uncertainties", pat::MET::T1 );
maybeReadShifts( iConfig, "t01Variation", pat::MET::T0, onMiniAOD_ );
maybeReadShifts( iConfig, "t1SmearedVarsAndUncs", pat::MET::Smear );
maybeReadShifts( iConfig, "tXYUncForRaw", pat::MET::TXYForRaw );
maybeReadShifts( iConfig, "tXYUncForT1", pat::MET::TXY );
maybeReadShifts( iConfig, "tXYUncForT01", pat::MET::TXYForT01 );
maybeReadShifts( iConfig, "tXYUncForT1Smear", pat::MET::TXYForT1Smear );
maybeReadShifts( iConfig, "tXYUncForT01Smear", pat::MET::TXYForT01Smear );
maybeReadShifts( iConfig, "caloMET", pat::MET::Calo );
produces<std::vector<pat::MET> >();
}
void pat::PATMETSlimmer::maybeReadShifts(const edm::ParameterSet &basePSet, const std::string &name, pat::MET::METCorrectionType level, bool readFromMiniAOD) {
if (basePSet.existsAs<edm::ParameterSet>(name)) {
throw cms::Exception("Unsupported", "Reading PSets not supported, for now just use input tag");
} else if (basePSet.existsAs<edm::InputTag>(name) ) {
const edm::InputTag & baseTag = basePSet.getParameter<edm::InputTag>(name);
if(level==pat::MET::T1) {
shifts_.push_back(OneMETShift(pat::MET::NoShift, level, baseTag, consumesCollector(), readFromMiniAOD, true, false, false));
shifts_.push_back(OneMETShift(pat::MET::NoShift, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::JetResUp, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::JetResDown, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::JetEnUp, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::JetEnDown, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::MuonEnUp, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::MuonEnDown, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::ElectronEnUp, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::ElectronEnDown, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::PhotonEnUp, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::PhotonEnDown, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::TauEnUp, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::TauEnDown, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::UnclusteredEnUp, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
shifts_.push_back(OneMETShift(pat::MET::UnclusteredEnDown, level, baseTag, consumesCollector(), readFromMiniAOD, false, true));
}
else if(level==pat::MET::Smear) {
shifts_.push_back(OneMETShift(pat::MET::NoShift, level, baseTag, consumesCollector(), readFromMiniAOD, true, false, true));
shifts_.push_back(OneMETShift(pat::MET::JetResUp, level, baseTag, consumesCollector(), readFromMiniAOD, false, true, true));
shifts_.push_back(OneMETShift(pat::MET::JetResDown, level, baseTag, consumesCollector(), readFromMiniAOD, false, true, true));
}
else {
shifts_.push_back(OneMETShift(pat::MET::NoShift, level, baseTag, consumesCollector(), readFromMiniAOD, true, false));
}
}
}
pat::PATMETSlimmer::OneMETShift::OneMETShift(pat::MET::METUncertainty shift_, pat::MET::METCorrectionType level_, const edm::InputTag & baseTag,
edm::ConsumesCollector && cc, bool t0FromMiniAOD_, bool corShift_, bool uncShift_, bool isSmeared) :
shift(shift_), level(level_), t0FromMiniAOD(t0FromMiniAOD_), corShift(corShift_), uncShift(uncShift_), isSmeared(isSmeared)
{
std::string baseTagStr = baseTag.encode();
char buff[1024];
switch (shift) {
case pat::MET::NoShift : snprintf(buff, 1023, baseTagStr.c_str(), ""); break;
case pat::MET::JetEnUp : snprintf(buff, 1023, baseTagStr.c_str(), "JetEnUp"); break;
case pat::MET::JetEnDown: snprintf(buff, 1023, baseTagStr.c_str(), "JetEnDown"); break;
case pat::MET::JetResUp : snprintf(buff, 1023, baseTagStr.c_str(), "JetResUp"); break;
case pat::MET::JetResDown: snprintf(buff, 1023, baseTagStr.c_str(), "JetResDown"); break;
case pat::MET::MuonEnUp : snprintf(buff, 1023, baseTagStr.c_str(), "MuonEnUp"); break;
case pat::MET::MuonEnDown: snprintf(buff, 1023, baseTagStr.c_str(), "MuonEnDown"); break;
case pat::MET::ElectronEnUp : snprintf(buff, 1023, baseTagStr.c_str(), "ElectronEnUp"); break;
case pat::MET::ElectronEnDown: snprintf(buff, 1023, baseTagStr.c_str(), "ElectronEnDown"); break;
case pat::MET::PhotonEnUp : snprintf(buff, 1023, baseTagStr.c_str(), "PhotonEnUp"); break;
case pat::MET::PhotonEnDown: snprintf(buff, 1023, baseTagStr.c_str(), "PhotonEnDown"); break;
case pat::MET::TauEnUp : snprintf(buff, 1023, baseTagStr.c_str(), "TauEnUp"); break;
case pat::MET::TauEnDown: snprintf(buff, 1023, baseTagStr.c_str(), "TauEnDown"); break;
case pat::MET::UnclusteredEnUp : snprintf(buff, 1023, baseTagStr.c_str(), "UnclusteredEnUp"); break;
case pat::MET::UnclusteredEnDown: snprintf(buff, 1023, baseTagStr.c_str(), "UnclusteredEnDown"); break;
default: throw cms::Exception("LogicError", "OneMETShift constructor called with bogus shift");
}
token = cc.consumes<pat::METCollection>(edm::InputTag(buff));
}
void
pat::PATMETSlimmer::produce(edm::StreamID, edm::Event & iEvent, const edm::EventSetup & iSetup) const {
using namespace edm;
using namespace std;
Handle<pat::METCollection> src;
iEvent.getByToken(src_, src);
if (src->size() != 1) throw cms::Exception("CorruptData", "More than one MET in the collection");
auto out = std::make_unique<std::vector<pat::MET>>(1, src->front());
pat::MET & met = out->back();
for (const OneMETShift &shift : shifts_) {
shift.readAndSet(iEvent, met);
}
iEvent.put(std::move(out));
}
void
pat::PATMETSlimmer::OneMETShift::readAndSet(const edm::Event &ev, pat::MET &met) const {
edm::Handle<pat::METCollection> src;
ev.getByToken(token, src);
if (src->size() != 1) throw cms::Exception("CorruptData", "More than one MET in the shifted collection");
const pat::MET &met2 = src->front();
if(t0FromMiniAOD) {
if(uncShift) met.setUncShift(met2.shiftedPx( shift, pat::MET::Type01), met2.shiftedPy(shift, pat::MET::Type01),
met2.shiftedSumEt(shift, pat::MET::Type01), shift, isSmeared);
if(corShift) met.setCorShift(met2.corPx(pat::MET::Type01), met2.corPy(pat::MET::Type01),
met2.corSumEt(pat::MET::Type01), level);
}
else {
if(uncShift) met.setUncShift(met2.px(), met2.py(), met2.sumEt(), shift, isSmeared);
if(corShift) met.setCorShift(met2.px(), met2.py(), met2.sumEt(), level);
}
}
#include "FWCore/Framework/interface/MakerMacros.h"
using namespace pat;
DEFINE_FWK_MODULE(PATMETSlimmer);