Inheritance diagram for DistortedMuonProducerFromDB:

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

	~DistortedMuonProducerFromDB ()

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 ()

Private Member Functions
virtual void	beginRun (edm::Run &, const edm::EventSetup &)

virtual void	endJob ()

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

Private Attributes
std::string	dbDataResolutionLabel_

std::string	dbMCResolutionLabel_

std::string	dbScaleLabel_

edm::InputTag	genMatchMapTag_

std::auto_ptr < MomentumScaleCorrector >	momCorrector_

std::auto_ptr< ResolutionFunction >	momResolutionData_

std::auto_ptr< ResolutionFunction >	momResolutionMC_

edm::InputTag	muonTag_

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

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::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

Definition at line 13 of file DistortedMuonProducerFromDB.cc.

Constructor & Destructor Documentation

DistortedMuonProducerFromDB::DistortedMuonProducerFromDB ( const edm::ParameterSet & pset )

explicit

Definition at line 51 of file DistortedMuonProducerFromDB.cc.

References dbDataResolutionLabel_, dbMCResolutionLabel_, dbScaleLabel_, edm::ParameterSet::getUntrackedParameter(), and muonTag_.

                                                                                     {
 
   // What is being produced
       produces<std::vector<reco::Muon> >();
 
   // Input products
       muonTag_ = pset.getUntrackedParameter<edm::InputTag> ("MuonTag", edm::InputTag("muons"));
       dbScaleLabel_ = pset.getUntrackedParameter<std::string> ("DBScaleLabel", "scale");
       dbDataResolutionLabel_ = pset.getUntrackedParameter<std::string> ("DBDataResolutionLabel", "datareso");
       dbMCResolutionLabel_ = pset.getUntrackedParameter<std::string> ("DBMCResolutionLabel", "mcreso");
 
 } 

DistortedMuonProducerFromDB::~DistortedMuonProducerFromDB ( )

Definition at line 65 of file DistortedMuonProducerFromDB.cc.

65 {

66 }

Member Function Documentation

void DistortedMuonProducerFromDB::beginRun	(	edm::Run &	,
		const edm::EventSetup &	iSetup
	)

privatevirtual

Reimplemented from edm::EDProducer.

Definition at line 69 of file DistortedMuonProducerFromDB.cc.

References dbDataResolutionLabel_, dbMCResolutionLabel_, dbScaleLabel_, edm::EventSetup::get(), LogTrace, momCorrector_, momResolutionData_, momResolutionMC_, and edm::ESHandle< class >::product().

                                                                                {
       edm::ESHandle<MuScleFitDBobject> dbObject1;
       iSetup.get<MuScleFitDBobjectRcd>().get(dbScaleLabel_,dbObject1);
       momCorrector_.reset(new MomentumScaleCorrector(dbObject1.product()));
 
       LogTrace("") << ">>> Using database for momentum scale corrections !!";
 
       edm::ESHandle<MuScleFitDBobject> dbObject2;
       iSetup.get<MuScleFitDBobjectRcd>().get(dbDataResolutionLabel_, dbObject2);
       momResolutionData_.reset(new ResolutionFunction(dbObject2.product()));
 
       edm::ESHandle<MuScleFitDBobject> dbObject3;
       iSetup.get<MuScleFitDBobjectRcd>().get(dbMCResolutionLabel_, dbObject3);
       momResolutionMC_.reset(new ResolutionFunction(dbObject3.product()));
 
       LogTrace("") << ">>> Using database for momentum resolution corrections !!";
 }

void DistortedMuonProducerFromDB::endJob ( void )

privatevirtual

Reimplemented from edm::EDProducer.

Definition at line 88 of file DistortedMuonProducerFromDB.cc.

88 {

89 }

void DistortedMuonProducerFromDB::produce	(	edm::Event &	ev,
		const edm::EventSetup &	iSetup
	)

privatevirtual

Implements edm::EDProducer.

Definition at line 92 of file DistortedMuonProducerFromDB.cc.

References reco::Muon::clone(), reco::LeafCandidate::eta(), edm::Event::getByLabel(), i, edm::EventBase::isRealData(), LogTrace, reco::LeafCandidate::mass(), momResolutionData_, momResolutionMC_, RPCpg::mu, muonTag_, MuonAlignmentFromReference_cff::newmuons, reco::LeafCandidate::phi(), funct::pow(), reco::LeafCandidate::pt(), edm::Event::put(), reco::LeafCandidate::setP4(), edm::shift, and mathSSE::sqrt().

Referenced by JSONExport.JsonExport::export(), HTMLExport.HTMLExport::export(), and HTMLExport.HTMLExportStatic::export().

                                                                                    {
 
       if (ev.isRealData()) return;
 
       // Muon collection
       edm::Handle<edm::View<reco::Muon> > muonCollection;
       if (!ev.getByLabel(muonTag_, muonCollection)) {
             edm::LogError("") << ">>> Muon collection does not exist !!!";
             return;
       }
       unsigned int muonCollectionSize = muonCollection->size();
 
       std::auto_ptr<reco::MuonCollection> newmuons (new reco::MuonCollection);
 
       for (unsigned int i=0; i<muonCollectionSize; i++) {
             edm::RefToBase<reco::Muon> mu = muonCollection->refAt(i);
 
             // Set shift
             double shift = (*momCorrector_)(*mu) - mu->pt();
             LogTrace("") << "\tmomentumScaleShift= " << shift << " [GeV]"; 
 
             // Set resolutions
             double sigma = pow(momResolutionData_->sigmaPt(*mu),2) -
                               pow(momResolutionMC_->sigmaPt(*mu),2);
             if (sigma>0.) sigma = sqrt(sigma); else sigma = 0.;
             LogTrace("") << "\tPt additional smearing= " << sigma << " [GeV]"; 
 
             // Gaussian Random number for smearing
             double rndg = CLHEP::RandGauss::shoot();
             
             // New muon
             double ptmu = mu->pt();
             ptmu += shift + sigma*rndg;
             reco::Muon* newmu = mu->clone();
             newmu->setP4 (
                   reco::Particle::PolarLorentzVector (
                         ptmu, mu->eta(), mu->phi(), mu->mass()
                   )
             );
             newmuons->push_back(*newmu);
 
       }
 
       ev.put(newmuons);
 }