Inheritance diagram for PFRecoTauDiscriminationByMVAIsolation:

Public Member Functions
void	beginEvent (const edm::Event &evt, const edm::EventSetup &evtSetup)

reco::tau::cone::IsoRings	computeIsoRings (const PFTauRef &pfTau)

double	discriminate (const PFTauRef &pfTau)

	PFRecoTauDiscriminationByMVAIsolation (const edm::ParameterSet &iConfig)

	~PFRecoTauDiscriminationByMVAIsolation ()

Public Member Functions inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
virtual double	discriminate (const TauRef &tau)=0

virtual void	endEvent (edm::Event &evt)

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

	TauDiscriminationProducerBase (const edm::ParameterSet &iConfig)

	TauDiscriminationProducerBase ()

virtual	~TauDiscriminationProducerBase ()

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 Attributes
edm::FileInPath	gbrfFilePath_

GBRForest *	gbrfTauIso_

double	mvaMin_

bool	returnMVA_

double	rho_

edm::InputTag	rhoProducer_

Additional Inherited Members
Public Types inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
typedef std::vector< TauType >	TauCollection

typedef edm::Ref< TauCollection >	TauRef

typedef edm::RefProd < TauCollection >	TauRefProd

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)

Protected Attributes inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
double	prediscriminantFailValue_

edm::InputTag	TauProducer_

Detailed Description

Definition at line 49 of file PFRecoTauDiscriminationByMVAIsolation.cc.

Constructor & Destructor Documentation

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

inlineexplicit

Definition at line 52 of file PFRecoTauDiscriminationByMVAIsolation.cc.

                                                                                  : 
     PFTauDiscriminationProducerBase(iConfig),
     rhoProducer_(iConfig.getParameter<edm::InputTag>("rhoProducer")),
     gbrfFilePath_(iConfig.getParameter<edm::FileInPath>("gbrfFilePath")),
     returnMVA_(iConfig.getParameter<bool>("returnMVA")),
     mvaMin_(iConfig.getParameter<double>("mvaMin")),
     rho_(0)
   {
     // Prediscriminant fail value
     if(returnMVA_)
       prediscriminantFailValue_ = -1;
     else
       prediscriminantFailValue_ = 0;
 
     // Read GBRForest
     TFile *gbrfFile = new TFile(gbrfFilePath_.fullPath().data());
     gbrfTauIso_ = (GBRForest *)(gbrfFile->Get("gbrfTauIso"));
   }

PFRecoTauDiscriminationByMVAIsolation::~PFRecoTauDiscriminationByMVAIsolation ( )

inline

Definition at line 71 of file PFRecoTauDiscriminationByMVAIsolation.cc.

71 {}

Member Function Documentation

void PFRecoTauDiscriminationByMVAIsolation::beginEvent	(	const edm::Event &	evt,
		const edm::EventSetup &	evtSetup
	)

virtual

Reimplemented from TauDiscriminationProducerBase< TauType, TauDiscriminator >.

Definition at line 86 of file PFRecoTauDiscriminationByMVAIsolation.cc.

 {
   // Get rho of event
   edm::Handle<double> hRho;
   event.getByLabel(rhoProducer_, hRho);
   rho_ = *hRho;
 }

reco::tau::cone::IsoRings PFRecoTauDiscriminationByMVAIsolation::computeIsoRings ( const PFTauRef & pfTau )

Definition at line 105 of file PFRecoTauDiscriminationByMVAIsolation.cc.

References reco::deltaPhi(), reco::deltaR(), i, j, reco::tau::cone::IsoRings::niso, RingESSource_cfi::rings, reco::tau::cone::IsoRings::rings, and reco::tau::cone::IsoRings::shapes.

 {
   vector<int>            niso(3);
   vector<vector<float> > rings(3, vector<float>(5));
   vector<vector<float> > shapes(3, vector<float>(5));
   vector<float>          isoptsum(3);
 
   for(unsigned int i = 0; i < pfTau->isolationPFCands().size(); i++)
   {
     const PFCandidateRef pf = pfTau->isolationPFCands().at(i);
 
     // Angular distance between PF candidate and tau
     float deta = pfTau->eta() - pf->eta();
     float dphi = reco::deltaPhi(pfTau->phi(), pf->phi());
     float dr = reco::deltaR(pfTau->eta(), pfTau->phi(), pf->eta(), pf->phi());
     int pftype = 0;
 
     // Determine PF candidate type
     if(pf->charge() != 0)                           pftype = 0;
     else if(pf->particleId() == PFCandidate::gamma) pftype = 1;
     else                                            pftype = 2;
 
     // Number of isolation candidates by type
     niso[pftype]++;
 
     // Isolation Rings
     if(dr < 0.1)      rings[pftype][0] += pf->pt();
     else if(dr < 0.2) rings[pftype][1] += pf->pt();
     else if(dr < 0.3) rings[pftype][2] += pf->pt();
     else if(dr < 0.4) rings[pftype][3] += pf->pt();
     else if(dr < 0.5) rings[pftype][4] += pf->pt();
 
     // Angle Shape Variables
     shapes[pftype][0] += pf->pt() * deta;
     shapes[pftype][1] += pf->pt() * dphi;
     shapes[pftype][2] += pf->pt() * deta*deta;
     shapes[pftype][3] += pf->pt() * dphi*dphi;
     shapes[pftype][4] += pf->pt() * deta*dphi;
     isoptsum[pftype]  += pf->pt();
   }
 
   // Mean and variance of angle variables are weighted by pT
   for(unsigned int i = 0; i < shapes.size(); i++)
   {
     for(unsigned int j = 0; j < shapes[i].size(); j++)
     {
       shapes[i][j] = isoptsum[i] > 0 ? fabs(shapes[i][j]/isoptsum[i]) : 0;
     }
   }
 
   // Fill IsoRing object
   reco::tau::cone::IsoRings isoRings;
   isoRings.niso = niso;
   isoRings.rings = rings;
   isoRings.shapes = shapes;
 
   return isoRings;
 }

double PFRecoTauDiscriminationByMVAIsolation::discriminate ( const PFTauRef & pfTau )

Definition at line 95 of file PFRecoTauDiscriminationByMVAIsolation.cc.

References reco::tau::cone::IsoRings::getVector().

 {
   reco::tau::cone::IsoRings isoRings = computeIsoRings(thePFTauRef);
   vector<float> mvainput = isoRings.getVector();
   mvainput.push_back(rho_);
   double mvaValue = gbrfTauIso_->GetClassifier(&mvainput[0]);
 
   return returnMVA_ ? mvaValue : mvaValue > mvaMin_;
 }