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/** \class HLTJetHbbFilter
*
* See header file for documentation
*
* \author Ann Wang
*
*/
#include <cmath>
#include <string>
#include <vector>
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/Math/interface/deltaR.h"
#include "DataFormats/Common/interface/RefToBase.h"
#include "DataFormats/HLTReco/interface/TriggerTypeDefs.h"
#include "DataFormats/JetReco/interface/CaloJet.h"
#include "DataFormats/JetReco/interface/PFJet.h"
#include "HLTrigger/JetMET/plugins/HLTJetHbbFilter.h"
#include "HLTrigger/HLTcore/interface/defaultModuleLabel.h"
using namespace std;
using namespace reco;
using namespace trigger;
//
// constructors and destructor//
//
template <typename T>
HLTJetHbbFilter<T>::HLTJetHbbFilter(const edm::ParameterSet& iConfig)
: HLTFilter(iConfig),
inputJets_(iConfig.getParameter<edm::InputTag>("inputJets")),
inputJetTags_(iConfig.getParameter<edm::InputTag>("inputJetTags")),
minmbb_(iConfig.getParameter<double>("minMbb")),
maxmbb_(iConfig.getParameter<double>("maxMbb")),
minptb1_(iConfig.getParameter<double>("minPtb1")),
minptb2_(iConfig.getParameter<double>("minPtb2")),
maxetab_(iConfig.getParameter<double>("maxEtab")),
minptbb_(iConfig.getParameter<double>("minPtbb")),
maxptbb_(iConfig.getParameter<double>("maxPtbb")),
mintag1_(iConfig.getParameter<double>("minTag1")),
mintag2_(iConfig.getParameter<double>("minTag2")),
maxtag_(iConfig.getParameter<double>("maxTag")),
triggerType_(iConfig.getParameter<int>("triggerType")) {
m_theJetsToken = consumes<std::vector<T>>(inputJets_);
m_theJetTagsToken = consumes<reco::JetTagCollection>(inputJetTags_);
//put a dummy METCollection into the event, holding values for csv tag 1 and tag 2 values
produces<reco::METCollection>();
}
template <typename T>
HLTJetHbbFilter<T>::~HLTJetHbbFilter() {}
template <typename T>
void HLTJetHbbFilter<T>::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
edm::ParameterSetDescription desc;
makeHLTFilterDescription(desc);
desc.add<edm::InputTag>("inputJets", edm::InputTag("hltJetCollection"));
desc.add<edm::InputTag>("inputJetTags", edm::InputTag(""));
desc.add<double>("minMbb", 70);
desc.add<double>("maxMbb", 200);
desc.add<double>("minPtb1", -1);
desc.add<double>("minPtb2", -1);
desc.add<double>("maxEtab", 99999.0);
desc.add<double>("minPtbb", -1);
desc.add<double>("maxPtbb", -1);
desc.add<double>("minTag1", 0.5);
desc.add<double>("minTag2", 0.2);
desc.add<double>("maxTag", 99999.0);
desc.add<int>("triggerType", trigger::TriggerJet);
descriptions.add(defaultModuleLabel<HLTJetHbbFilter<T>>(), desc);
}
template <typename T>
float HLTJetHbbFilter<T>::findCSV(const typename std::vector<T>::const_iterator& jet,
const reco::JetTagCollection& jetTags) {
float minDr2 = 0.01f; //matching jet tag with jet
float tmpCSV = -20;
for (auto jetb = jetTags.begin(); (jetb != jetTags.end()); ++jetb) {
float tmpDr2 = reco::deltaR2(*jet, *(jetb->first));
if (tmpDr2 < minDr2) {
minDr2 = tmpDr2;
tmpCSV = jetb->second;
}
}
return tmpCSV;
}
//
// member functions
//
// ------------ method called to produce the data ------------
template <typename T>
bool HLTJetHbbFilter<T>::hltFilter(edm::Event& event,
const edm::EventSetup& setup,
trigger::TriggerFilterObjectWithRefs& filterproduct) const {
using namespace std;
using namespace edm;
using namespace reco;
using namespace trigger;
typedef vector<T> TCollection;
typedef Ref<TCollection> TRef;
bool accept(false);
//const unsigned int nMax(15);
Handle<TCollection> jets;
event.getByToken(m_theJetsToken, jets);
Handle<JetTagCollection> jetTags;
event.getByToken(m_theJetTagsToken, jetTags);
double tag1 = -99.;
double tag2 = -99.;
if (jetTags->size() < 2)
return false;
double ejet1 = -99.;
double pxjet1 = -99.;
double pyjet1 = -99.;
double pzjet1 = -99.;
double ptjet1 = -99.;
double etajet1 = -99.;
double ejet2 = -99.;
double pxjet2 = -99.;
double pyjet2 = -99.;
double pzjet2 = -99.;
double ptjet2 = -99.;
double etajet2 = -99.;
//looping through sets of jets
for (auto jet1 = jets->begin(); (jet1 != jets->end()); ++jet1) {
tag1 = findCSV(jet1, *jetTags);
for (auto jet2 = (jet1 + 1); (jet2 != jets->end()); ++jet2) {
tag2 = findCSV(jet2, *jetTags);
ejet1 = jet1->energy();
pxjet1 = jet1->px();
pyjet1 = jet1->py();
pzjet1 = jet1->pz();
ptjet1 = jet1->pt();
etajet1 = jet1->eta();
ejet2 = jet2->energy();
pxjet2 = jet2->px();
pyjet2 = jet2->py();
pzjet2 = jet2->pz();
ptjet2 = jet2->pt();
etajet2 = jet2->eta();
if (((mintag1_ <= tag1) and (tag1 <= maxtag_)) &&
((mintag2_ <= tag2) and (tag2 <= maxtag_))) { // if they're both b's
if (fabs(etajet1) <= maxetab_ && fabs(etajet2) <= maxetab_) { // if they satisfy the eta requirement
if ((ptjet1 >= minptb1_ && ptjet2 >= minptb2_) ||
(ptjet2 >= minptb1_ && ptjet1 >= minptb2_)) { // if they satisfy the pt requirement
double ptbb = sqrt((pxjet1 + pxjet2) * (pxjet1 + pxjet2) +
(pyjet1 + pyjet2) * (pyjet1 + pyjet2)); // pt of the two jets
if (ptbb >= minptbb_ && (maxptbb_ < 0 || ptbb <= maxptbb_)) { //if they satisfy the vector pt requirement
double mbb = sqrt((ejet1 + ejet2) * (ejet1 + ejet2) - (pxjet1 + pxjet2) * (pxjet1 + pxjet2) -
(pyjet1 + pyjet2) * (pyjet1 + pyjet2) -
(pzjet1 + pzjet2) * (pzjet1 + pzjet2)); // mass of two jets
if ((minmbb_ <= mbb) and (mbb <= maxmbb_)) { // if they fit the mass requirement
accept = true;
TRef ref1 = TRef(jets, distance(jets->begin(), jet1));
TRef ref2 = TRef(jets, distance(jets->begin(), jet2));
if (saveTags())
filterproduct.addCollectionTag(inputJets_);
filterproduct.addObject(triggerType_, ref1);
filterproduct.addObject(triggerType_, ref2);
//create METCollection for storing csv tag1 and tag2 results
std::unique_ptr<reco::METCollection> csvObject(new reco::METCollection());
reco::MET::LorentzVector csvP4(tag1, tag2, 0, 0);
reco::MET::Point vtx(0, 0, 0);
reco::MET csvTags(csvP4, vtx);
csvObject->push_back(csvTags);
edm::RefProd<reco::METCollection> ref_before_put = event.getRefBeforePut<reco::METCollection>();
//put the METCollection into the event (necessary because of how addCollectionTag works...)
event.put(std::move(csvObject));
edm::Ref<reco::METCollection> csvRef(ref_before_put, 0);
if (saveTags())
filterproduct.addCollectionTag(edm::InputTag(*moduleLabel()));
filterproduct.addObject(trigger::TriggerMET, csvRef); //give it the ID of a MET object
return accept;
}
}
}
}
}
}
}
return accept;
}
typedef HLTJetHbbFilter<CaloJet> HLTCaloJetHbbFilter;
typedef HLTJetHbbFilter<PFJet> HLTPFJetHbbFilter;
DEFINE_FWK_MODULE(HLTCaloJetHbbFilter);
DEFINE_FWK_MODULE(HLTPFJetHbbFilter);
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