#include <SysShiftMETcorrInputProducer.h>

Inheritance diagram for SysShiftMETcorrInputProducer:

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

	~SysShiftMETcorrInputProducer ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

ModuleDescription const &	moduleDescription () const

virtual	~EDProducer ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

Public Member Functions inherited from edm::EDConsumerBase
	EDConsumerBase ()

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

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

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

std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

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

Private Attributes
TFormula *	corrPx_

TFormula *	corrPy_

std::string	moduleLabel_

edm::EDGetTokenT< edm::View < reco::MET > >	token_

bool	useNvtx

edm::EDGetTokenT < reco::VertexCollection >	verticesToken_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

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

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 ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

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)

Detailed Description

Compute MET correction to compensate systematic shift of MET in x/y-direction (cf. https://indico.cern.ch/getFile.py/access?contribId=1&resId=0&materialId=slides&confId=174318 )

Authors: Christian Veelken, LLR

Definition at line 28 of file SysShiftMETcorrInputProducer.h.

Constructor & Destructor Documentation

SysShiftMETcorrInputProducer::SysShiftMETcorrInputProducer ( const edm::ParameterSet & cfg )

explicit

Definition at line 11 of file SysShiftMETcorrInputProducer.cc.

References corrPx_, corrPy_, data, edm::ParameterSet::getParameter(), moduleLabel_, AlCaHLTBitMon_QueryRunRegistry::string, token_, useNvtx, and verticesToken_.

   : moduleLabel_(cfg.getParameter<std::string>("@module_label")),
     useNvtx(false),
     corrPx_(0),
     corrPy_(0)
 {
   token_ = consumes<edm::View<reco::MET> >(cfg.getParameter<edm::InputTag>("src"));
   
   edm::ParameterSet cfgCorrParameter = cfg.getParameter<edm::ParameterSet>("parameter");
   TString corrPxFormula = cfgCorrParameter.getParameter<std::string>("px");
   TString corrPyFormula = cfgCorrParameter.getParameter<std::string>("py").data();
   if ( corrPxFormula.Contains("Nvtx") || corrPyFormula.Contains("Nvtx") )
     {
       useNvtx = true,
       verticesToken_ = consumes<reco::VertexCollection>(cfg.getParameter<edm::InputTag>("srcVertices"));
     }
   
   corrPxFormula.ReplaceAll("sumEt", "x");
   corrPxFormula.ReplaceAll("Nvtx", "y");
   std::string corrPxName = std::string(moduleLabel_).append("_corrPx");
   corrPx_ = new TFormula(corrPxName.data(), corrPxFormula.Data());
 
   corrPyFormula.ReplaceAll("sumEt", "x");
   corrPyFormula.ReplaceAll("Nvtx", "y");
   std::string corrPyName = std::string(moduleLabel_).append("_corrPy");
   corrPy_ = new TFormula(corrPyName.data(), corrPyFormula.Data());
   
   produces<CorrMETData>();
 }

SysShiftMETcorrInputProducer::~SysShiftMETcorrInputProducer ( )

Definition at line 41 of file SysShiftMETcorrInputProducer.cc.

 {
 // nothing to be done yet...
 }

Member Function Documentation

void SysShiftMETcorrInputProducer::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)

privatevirtual

Implements edm::EDProducer.

Definition at line 46 of file SysShiftMETcorrInputProducer.cc.

References corrPx_, corrPy_, edm::Event::getByToken(), CaloMET_cfi::met, edm::Event::put(), token_, useNvtx, and verticesToken_.

 {
   //std::cout << "<SysShiftMETcorrInputProducer::produce>:" << std::endl;
 
   typedef edm::View<reco::MET> METView;
   edm::Handle<METView> met;
   evt.getByToken(token_, met);
   if ( met->size() != 1 ) 
     throw cms::Exception("SysShiftMETcorrInputProducer::produce") 
       << "Failed to find unique MET object !!\n";
 
   double sumEt = met->front().sumEt();
   //std::cout << " sumEt = " << sumEt << std::endl;
 
   size_t Nvtx = 0;
   if ( useNvtx )
     {
       edm::Handle<reco::VertexCollection> vertices;
       evt.getByToken(verticesToken_, vertices);
       Nvtx = vertices->size();
     }
   //std::cout << " Nvtx = " << Nvtx << std::endl;
 
   std::auto_ptr<CorrMETData> metCorr(new CorrMETData());
   metCorr->mex = -corrPx_->Eval(sumEt, Nvtx);
   metCorr->mey = -corrPy_->Eval(sumEt, Nvtx);
   //std::cout << "--> metCorr: Px = " << metCorr->mex << ", Py = " << metCorr->mey << std::endl;
   
   evt.put(metCorr);
 }