Inheritance diagram for JetResolutionDemo:

Public Member Functions
	JetResolutionDemo (const edm::ParameterSet &)

	~JetResolutionDemo () override

Public Member Functions inherited from edm::one::EDAnalyzer< edm::one::SharedResources >
	EDAnalyzer ()=default

	EDAnalyzer (const EDAnalyzer &)=delete

SerialTaskQueue *	globalLuminosityBlocksQueue () final

SerialTaskQueue *	globalRunsQueue () final

const EDAnalyzer &	operator= (const EDAnalyzer &)=delete

bool	wantsGlobalLuminosityBlocks () const noexcept final

bool	wantsGlobalRuns () const noexcept final

bool	wantsInputProcessBlocks () const noexcept final

bool	wantsProcessBlocks () const noexcept final

Public Member Functions inherited from edm::one::EDAnalyzerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

	EDAnalyzerBase ()

ModuleDescription const &	moduleDescription () const

bool	wantsStreamLuminosityBlocks () const noexcept

bool	wantsStreamRuns () const noexcept

	~EDAnalyzerBase () override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ESResolverIndex const *	esGetTokenIndices (edm::Transition iTrans) const

std::vector< ESResolverIndex > const &	esGetTokenIndicesVector (edm::Transition iTrans) const

std::vector< ESRecordIndex > const &	esGetTokenRecordIndicesVector (edm::Transition iTrans) const

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::array< std::vector< ModuleDescription const > , NumBranchTypes > &modulesAll, std::vector< ModuleProcessName > &modulesInPreviousProcesses, ProductRegistry const &preg, std::map< std::string, ModuleDescription const *> const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

void	selectInputProcessBlocks (ProductRegistry const &productRegistry, ProcessBlockHelperBase const &processBlockHelperBase)

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

void	updateLookup (eventsetup::ESRecordsToProductResolverIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Private Member Functions
void	analyze (const edm::Event &, const edm::EventSetup &) override

void	endJob () override

Private Attributes
edm::Service< TFileService >	fs

bool	m_debug = false

edm::EDGetTokenT< std::vector< pat::Jet > >	m_jets_token

std::string	m_payload

TH2 *	m_res_vs_eta = nullptr

std::string	m_resolutions_file

JME::JetResolution::Token	m_resolutions_token

edm::EDGetTokenT< double >	m_rho_token

std::string	m_scale_factors_file

JME::JetResolutionScaleFactor::Token	m_scale_factors_token

bool	m_use_conddb = false

Additional Inherited Members
Public Types inherited from edm::one::EDAnalyzerBase
typedef EDAnalyzerBase	ModuleType

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::one::EDAnalyzerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

template<BranchType B = InEvent>
EDConsumerBaseAdaptor< B >	consumes (edm::InputTag tag) noexcept

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

template<Transition Tr = Transition::Event>
constexpr auto	esConsumes ()

template<Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag tag)

template<Transition Tr = Transition::Event>
ESGetTokenGeneric	esConsumes (eventsetup::EventSetupRecordKey const &iRecord, eventsetup::DataKey const &iKey)
	Used with EventSetupRecord::doGet. More...

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

void	resetItemsToGetFrom (BranchType iType)

Detailed Description

Definition at line 25 of file JetResolutionDemo.cc.

Constructor & Destructor Documentation

◆ JetResolutionDemo()

JetResolutionDemo::JetResolutionDemo ( const edm::ParameterSet & iConfig )

explicit

Definition at line 53 of file JetResolutionDemo.cc.

References edm::EDConsumerBase::esConsumes(), contentValuesFiles::fullPath, edm::ParameterSet::getParameter(), edm::ParameterSet::getUntrackedParameter(), TFileService::kSharedResource, m_debug, m_jets_token, m_payload, m_resolutions_file, m_resolutions_token, m_rho_token, m_scale_factors_file, m_scale_factors_token, m_use_conddb, and AlCaHLTBitMon_QueryRunRegistry::string.

                                                                    {
   m_jets_token = consumes<std::vector<pat::Jet>>(iConfig.getParameter<edm::InputTag>("jets"));
   m_rho_token = consumes<double>(iConfig.getParameter<edm::InputTag>("rho"));
   m_debug = iConfig.getUntrackedParameter<bool>("debug", false);
   m_use_conddb = iConfig.getUntrackedParameter<bool>("useCondDB", false);
 
   if (m_use_conddb) {
     m_payload = iConfig.getParameter<std::string>("payload");
     m_resolutions_token = esConsumes(edm::ESInputTag("", m_payload));
     m_scale_factors_token = esConsumes(edm::ESInputTag("", m_payload));
   } else {
     m_resolutions_file = iConfig.getParameter<edm::FileInPath>("resolutionsFile").fullPath();
     m_scale_factors_file = iConfig.getParameter<edm::FileInPath>("scaleFactorsFile").fullPath();
   }
   usesResource(TFileService::kSharedResource);
 }

◆ ~JetResolutionDemo()

JetResolutionDemo::~JetResolutionDemo ( )

override

Definition at line 70 of file JetResolutionDemo.cc.

70 {}

Member Function Documentation

◆ analyze()

void JetResolutionDemo::analyze	(	const edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

overrideprivatevirtual

Implements edm::one::EDAnalyzerBase.

Definition at line 73 of file JetResolutionDemo.cc.

References isotrackApplyRegressor::bins, gather_cfg::cout, DOWN, EnergyCorrector::etas, fs, JME::JetResolution::get(), JME::JetResolutionScaleFactor::get(), JME::JetResolutionScaleFactor::getScaleFactor(), mps_fire::i, iEvent, metsig::jet, JME::JetEta, JME::JetPt, PDWG_EXODelayedJetMET_cff::jets, m_debug, m_jets_token, m_res_vs_eta, m_resolutions_file, m_resolutions_token, m_rho_token, m_scale_factors_file, m_scale_factors_token, m_use_conddb, TFileService::make(), alignCSCRings::r, diffTwoXMLs::r2, Hcal_FrontierConditions_cff::record, dtDQMClient_cfg::resolution, rho, JME::Rho, JME::JetParameters::set(), JME::JetParameters::setJetEta(), JME::JetParameters::setJetPt(), JME::JetParameters::setRho(), and UP.

                                                                                    {
   edm::Handle<std::vector<pat::Jet>> jets;
   iEvent.getByToken(m_jets_token, jets);
 
   edm::Handle<double> rho;
   iEvent.getByToken(m_rho_token, rho);
 
   // Access jet resolution and scale factor from the condition database
   // or from text files
   JME::JetResolution resolution;
   JME::JetResolutionScaleFactor res_sf;
 
   // Two differents way to create a class instance
   if (m_use_conddb) {
     // First way, using the get() static method
     resolution = JME::JetResolution::get(iSetup, m_resolutions_token);
     res_sf = JME::JetResolutionScaleFactor::get(iSetup, m_scale_factors_token);
   } else {
     // Second way, using the constructor
     resolution = JME::JetResolution(m_resolutions_file);
     res_sf = JME::JetResolutionScaleFactor(m_scale_factors_file);
   }
 
   if (m_debug) {
     // Dump resolution
     resolution.dump();
   }
 
   if (!m_res_vs_eta) {
     // Advanced usage. Create the histogram by retriving the eta binning directly from the JetResolutionObject. This suppose you need that the parametrization only depends on eta.
 
     // Get the list of bins of this object
     const std::vector<JME::Binning>& bins = resolution.getResolutionObject()->getDefinition().getBins();
 
     // Check that the first bin is eta
     if ((!bins.empty()) && (bins[0] == JME::Binning::JetEta)) {
       const std::vector<JME::JetResolutionObject::Record> records = resolution.getResolutionObject()->getRecords();
       // Get all records from the object. Each record correspond to a different binning and different parameters
 
       std::vector<float> etas;
       for (const auto& record : records) {
         if (etas.empty()) {
           etas.push_back(record.getBinsRange()[0].min);
           etas.push_back(record.getBinsRange()[0].max);
         } else {
           etas.push_back(record.getBinsRange()[0].max);
         }
       }
 
       std::vector<float> res;
       for (std::size_t i = 0; i < 40; i++) {
         res.push_back(i * 0.005);
       }
 
       m_res_vs_eta = fs->make<TH2F>("res_vs_eta", "res_vs_eta", etas.size() - 1, &etas[0], res.size() - 1, &res[0]);
     }
   }
 
   for (const auto& jet : *jets) {
     if (m_debug) {
       std::cout << "New jet; pt=" << jet.pt() << "  eta=" << jet.eta() << "  phi=" << jet.phi()
                 << "  e=" << jet.energy() << "  rho=" << *rho << std::endl;
     }
 
     // Get resolution for this jet
     // The method to use is getResolution(const JME::JetParameters& parameters) from a JetResolution object
 
     // You *must* now in advance which variables are needed for getting the resolution. For the moment, only pt and eta are needed, but this will
     // probably change in the futur when PU dependency is added. Please keep an eye on the twiki page
     //     https://twiki.cern.ch/twiki/bin/view/CMSPublic/WorkBookJetEnergyResolution
     // to stay up-to-date. All currently supported parameters (ie, 'set' functions) are available here:
     //     https://twiki.cern.ch/twiki/bin/view/CMSPublic/WorkBookJetEnergyResolution#List_of_supported_parameters
 
     // Three way to create a JetParameters object
 
     // First, using 'set' functions
     JME::JetParameters parameters_1;
     parameters_1.setJetPt(jet.pt());
     parameters_1.setJetEta(jet.eta());
     parameters_1.setRho(*rho);
 
     // You can also chain calls
 
     JME::JetParameters parameters_2;
     parameters_2.setJetPt(jet.pt()).setJetEta(jet.eta()).setRho(*rho);
 
     // Second, using the set() function
     JME::JetParameters parameters_3;
     parameters_3.set(JME::Binning::JetPt, jet.pt());
     parameters_3.set({JME::Binning::JetEta, jet.eta()});
     parameters_3.set({JME::Binning::Rho, *rho});
 
     // Or
 
     JME::JetParameters parameters_4;
     parameters_4.set(JME::Binning::JetPt, jet.pt()).set(JME::Binning::JetEta, jet.eta()).set(JME::Binning::Rho, *rho);
 
     // Third, using a initializer_list
     JME::JetParameters parameters_5 = {
         {JME::Binning::JetPt, jet.pt()}, {JME::Binning::JetEta, jet.eta()}, {JME::Binning::Rho, *rho}};
 
     // Now, get the resolution
 
     float r = resolution.getResolution(parameters_1);
     if (m_debug) {
       std::cout << "Resolution with parameters_1: " << r << std::endl;
       std::cout << "Resolution with parameters_2: " << resolution.getResolution(parameters_2) << std::endl;
       std::cout << "Resolution with parameters_3: " << resolution.getResolution(parameters_3) << std::endl;
       std::cout << "Resolution with parameters_4: " << resolution.getResolution(parameters_4) << std::endl;
       std::cout << "Resolution with parameters_5: " << resolution.getResolution(parameters_5) << std::endl;
 
       // You can also use a shortcut to get the resolution
       float r2 = resolution.getResolution(
           {{JME::Binning::JetPt, jet.pt()}, {JME::Binning::JetEta, jet.eta()}, {JME::Binning::Rho, *rho}});
       std::cout << "Resolution using shortcut   : " << r2 << std::endl;
     }
 
     m_res_vs_eta->Fill(jet.eta(), r);
 
     // We do the same thing to access the scale factors
     float sf = res_sf.getScaleFactor({{JME::Binning::JetPt, jet.pt()}, {JME::Binning::JetEta, jet.eta()}});
 
     // Access up and down variation of the scale factor
     float sf_up =
         res_sf.getScaleFactor({{JME::Binning::JetPt, jet.pt()}, {JME::Binning::JetEta, jet.eta()}}, Variation::UP);
     float sf_down =
         res_sf.getScaleFactor({{JME::Binning::JetPt, jet.pt()}, {JME::Binning::JetEta, jet.eta()}}, Variation::DOWN);
 
     if (m_debug) {
       std::cout << "Scale factors (Nominal / Up / Down) : " << sf << " / " << sf_up << " / " << sf_down << std::endl;
     }
   }
 }