#include "PhysicsTools/PatAlgos/interface/PATMETProducer.h"

Inheritance diagram for pat::PATMETProducer:

Public Member Functions
	PATMETProducer (const edm::ParameterSet &iConfig)

virtual void	produce (edm::Event &iEvent, const edm::EventSetup &iSetup)

	~PATMETProducer ()

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

virtual	~EDProducer ()

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

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

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

virtual	~ProducerBase ()

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Attributes
bool	addEfficiencies_

bool	addGenMET_

bool	addMuonCorr_

bool	addResolutions_

pat::helper::EfficiencyLoader	efficiencyLoader_

GreaterByEt< MET >	eTComparator_

edm::InputTag	genMETSrc_

edm::InputTag	metSrc_

edm::InputTag	muonSrc_

pat::helper::KinResolutionsLoader	resolutionLoader_

pat::PATUserDataHelper< pat::MET >	userDataHelper_

bool	useUserData_

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

typedef WorkerT< EDProducer >	WorkerType

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

Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const

Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Produces the pat::MET.

The PATMETProducer produces the analysis-level pat::MET starting from a collection of objects of METType.

Author: Steven Lowette

Version

Id:: PATMETProducer.h,v 1.10 2009/06/25 23:49:35 gpetrucc Exp

Definition at line 37 of file PATMETProducer.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 19 of file PATMETProducer.cc.

References addEfficiencies_, addGenMET_, addResolutions_, efficiencyLoader_, genMETSrc_, edm::ParameterSet::getParameter(), metSrc_, resolutionLoader_, userDataHelper_, and useUserData_.

                                                              :
   useUserData_(iConfig.exists("userData"))
 {
   // initialize the configurables
   metSrc_         = iConfig.getParameter<edm::InputTag>("metSource");
   addGenMET_      = iConfig.getParameter<bool>         ("addGenMET");
   genMETSrc_      = iConfig.getParameter<edm::InputTag>("genMETSource");
   addResolutions_ = iConfig.getParameter<bool>         ("addResolutions");
 
   // Efficiency configurables
   addEfficiencies_ = iConfig.getParameter<bool>("addEfficiencies");
   if (addEfficiencies_) {
      efficiencyLoader_ = pat::helper::EfficiencyLoader(iConfig.getParameter<edm::ParameterSet>("efficiencies"));
   }
 
   // Resolution configurables
   addResolutions_ = iConfig.getParameter<bool>("addResolutions");
   if (addResolutions_) {
      resolutionLoader_ = pat::helper::KinResolutionsLoader(iConfig.getParameter<edm::ParameterSet>("resolutions"));
   }
 
   // Check to see if the user wants to add user data
   if ( useUserData_ ) {
     userDataHelper_ = PATUserDataHelper<MET>(iConfig.getParameter<edm::ParameterSet>("userData"));
   }
 
   
   // produces vector of mets
   produces<std::vector<MET> >();
 }

PATMETProducer::~PATMETProducer ( )

Definition at line 51 of file PATMETProducer.cc.

51 {

52 }

Member Function Documentation

void PATMETProducer::fillDescriptions ( edm::ConfigurationDescriptions & descriptions )

static

Definition at line 111 of file PATMETProducer.cc.

References edm::ParameterSetDescription::add(), edm::ParameterSetDescription::addOptional(), pat::helper::KinResolutionsLoader::fillDescription(), pat::PATUserDataHelper< ObjectType >::fillDescription(), edm::ParameterSetDescription::setAllowAnything(), and edm::ParameterSetDescription::setComment().

 {
   edm::ParameterSetDescription iDesc;
   iDesc.setComment("PAT MET producer module");
 
   // input source 
   iDesc.add<edm::InputTag>("metSource", edm::InputTag("no default"))->setComment("input collection");
 
   // MC configurations
   iDesc.add<bool>("addGenMET", false);
   iDesc.add<edm::InputTag>("genMETSource", edm::InputTag("genMetCalo"));
 
   pat::helper::KinResolutionsLoader::fillDescription(iDesc);
 
   // Efficiency configurables
   edm::ParameterSetDescription efficienciesPSet;
   efficienciesPSet.setAllowAnything(); // TODO: the pat helper needs to implement a description.
   iDesc.add("efficiencies", efficienciesPSet);
   iDesc.add<bool>("addEfficiencies", false);
 
   // Check to see if the user wants to add user data
   edm::ParameterSetDescription userDataPSet;
   PATUserDataHelper<MET>::fillDescription(userDataPSet);
   iDesc.addOptional("userData", userDataPSet);
 
   // muon correction
   iDesc.add<bool>("addMuonCorrections", false);
   iDesc.add<edm::InputTag>("muonSource", edm::InputTag("muons"));
 
 }

void PATMETProducer::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

virtual

Implements edm::EDProducer.

Definition at line 55 of file PATMETProducer.cc.

References addGenMET_, efficiencyLoader_, pat::helper::EfficiencyLoader::enabled(), pat::helper::KinResolutionsLoader::enabled(), edm::InputTag::encode(), genMETSrc_, edm::Event::getByLabel(), metSrc_, pat::helper::EfficiencyLoader::newEvent(), pat::helper::KinResolutionsLoader::newEvent(), metProducer_cfi::patMETs, edm::Event::put(), resolutionLoader_, pat::helper::EfficiencyLoader::setEfficiencies(), pat::MET::setGenMET(), pat::helper::KinResolutionsLoader::setResolutions(), userDataHelper_, and useUserData_.

                                                                             {
  
   // Get the vector of MET's from the event
   edm::Handle<edm::View<reco::MET> > mets;
   iEvent.getByLabel(metSrc_, mets);
 
   if (mets->size() != 1) throw cms::Exception("Corrupt Data") << "The input MET collection " << metSrc_.encode() << " has size " << mets->size() << " instead of 1 as it should.\n";
   if (efficiencyLoader_.enabled()) efficiencyLoader_.newEvent(iEvent);
   if (resolutionLoader_.enabled()) resolutionLoader_.newEvent(iEvent, iSetup);
 
   // Get the vector of generated met from the event if needed
   edm::Handle<edm::View<reco::GenMET> > genMETs;
   if (addGenMET_) {
     iEvent.getByLabel(genMETSrc_, genMETs);
   }
 
   // loop over mets
   std::vector<MET> * patMETs = new std::vector<MET>(); 
   for (edm::View<reco::MET>::const_iterator itMET = mets->begin(); itMET != mets->end(); itMET++) {
     // construct the MET from the ref -> save ref to original object
     unsigned int idx = itMET - mets->begin();
     edm::RefToBase<reco::MET> metsRef = mets->refAt(idx);
     edm::Ptr<reco::MET> metsPtr = mets->ptrAt(idx);
     MET amet(metsRef);
     // add the generated MET
     if (addGenMET_) amet.setGenMET((*genMETs)[idx]);
 
     if (efficiencyLoader_.enabled()) {
         efficiencyLoader_.setEfficiencies( amet, metsRef );
     }
 
     if (resolutionLoader_.enabled()) {
         resolutionLoader_.setResolutions(amet);
     }
 
 
     if ( useUserData_ ) {
       userDataHelper_.add( amet, iEvent, iSetup );
     }
     
 
     // correct for muons if demanded... never more: it's now done by JetMETCorrections
     // add the MET to the vector of METs
     patMETs->push_back(amet);
   }
 
   // sort MET in ET .. don't mess with this
   //  std::sort(patMETs->begin(), patMETs->end(), eTComparator_);
 
   // put genEvt object in Event
   std::auto_ptr<std::vector<MET> > myMETs(patMETs);
   iEvent.put(myMETs);
 
 }