#include <AlphaTVarProducer.h>

Inheritance diagram for AlphaTVarProducer:

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

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

	~AlphaTVarProducer ()

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
std::vector< ConsumesInfo >	consumesInfo () const

	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

void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Member Functions
double	CalcAlphaT (const std::vector< TLorentzVector > &)

Static Private Member Functions
static double	alphaT (const double, const double, const double)

static double	CalcHT (const std::vector< TLorentzVector > &)

static double	CalcMHT (const std::vector< TLorentzVector > &)

static double	deltaHt (const std::vector< double > &)

Private Attributes
edm::InputTag	inputJetTag_

edm::EDGetTokenT < reco::CaloJetCollection >	inputJetTagToken_

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

Definition at line 15 of file AlphaTVarProducer.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 26 of file AlphaTVarProducer.cc.

References edm::InputTag::encode(), edm::ParameterSet::getParameter(), inputJetTag_, inputJetTagToken_, and LogDebug.

                                                                    :
   inputJetTag_    (iConfig.getParameter<edm::InputTag>("inputJetTag")){
 
   produces<std::vector<double> >();
 
   //set Token(-s)
   inputJetTagToken_ = consumes<reco::CaloJetCollection>(iConfig.getParameter<edm::InputTag>("inputJetTag"));
 
   LogDebug("") << "Inputs: "
            << inputJetTag_.encode() << " ";
 }

AlphaTVarProducer::~AlphaTVarProducer ( )

Definition at line 38 of file AlphaTVarProducer.cc.

39 {

40 }

Member Function Documentation

double AlphaTVarProducer::alphaT	(	const double	HT,
		const double	DHT,
		const double	MHT
	)

staticprivate

Definition at line 106 of file AlphaTVarProducer.cc.

References mathSSE::sqrt().

Referenced by CalcAlphaT(), and produce().

                                                                                     {
     return 0.5 * ( HT - DHT ) / sqrt( HT*HT - MHT*MHT );
 }

double AlphaTVarProducer::CalcAlphaT ( const std::vector< TLorentzVector > & jets )

private

Definition at line 75 of file AlphaTVarProducer.cc.

References alphaT(), CalcHT(), CalcMHT(), deltaHt(), reco::tau::disc::Eta(), and i.

Referenced by produce().

                                                                   {
     std::vector<double> ETs;
     TVector3 MHT{CalcMHT(jets),0.0,0.0};
     float HT = CalcHT(jets);
     //float HT = 0;
     for(unsigned int i = 0; i < jets.size(); i++){
         if(jets[i].Et() > 50. && fabs(jets[i].Eta()) < 2.5) ETs.push_back(jets[i].Et());
         //HT += jets[i].Et();
     }
     if(ETs.size() < 2.) return 0.0;
     if(ETs.size() > 16.) return 0.0;
     float DHT = deltaHt(ETs);
     
     float AlphaT = alphaT(HT,DHT,MHT.Mag());
     
     return AlphaT;
     
 }

double AlphaTVarProducer::CalcHT ( const std::vector< TLorentzVector > & jets )

staticprivate

Definition at line 111 of file AlphaTVarProducer.cc.

References reco::tau::disc::Eta(), and i.

Referenced by CalcAlphaT(), and produce().

                                                               {
 
     double HT = 0;
     for(unsigned int i = 0; i < jets.size(); i++){
         if(jets[i].Et() > 50. && fabs(jets[i].Eta()) < 2.5) HT += jets[i].Et();
     }
     
     return HT;
     
 }

double AlphaTVarProducer::CalcMHT ( const std::vector< TLorentzVector > & jets )

staticprivate

Definition at line 122 of file AlphaTVarProducer.cc.

References reco::tau::disc::Eta(), and i.

Referenced by CalcAlphaT().

                                                                       {
     TVector3 MHT;
     for(unsigned int i = 0; i < jets.size(); i++){
         if(jets[i].Et() > 50. && fabs(jets[i].Eta()) < 2.5) MHT -= jets[i].Vect();
     }
     MHT.SetZ(0.0);
     return MHT.Mag();
 }

double AlphaTVarProducer::deltaHt ( const std::vector< double > & ETs )

staticprivate

Definition at line 94 of file AlphaTVarProducer.cc.

References diffTreeTool::diff, i, j, and min().

Referenced by CalcAlphaT().

                                                               {
   if(ETs.size() > 16.) return 9999999;
     std::vector<double> diff( 1<<(ETs.size()-1) , 0. );
     for(unsigned i=0; i < diff.size(); i++)
         for(unsigned j=0; j < ETs.size(); j++)
             diff[i] += ETs[j] * ( 1 - 2 * (int(i>>j)&1) ) ;
     std::vector<double>::const_iterator it;
     double min=9999999;
     for(it = diff.begin(); it !=diff.end(); it++) if(*it<min) min = *it;
     return min;
 }

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

virtual

Implements edm::EDProducer.

Definition at line 44 of file AlphaTVarProducer.cc.

References alphaT(), CalcAlphaT(), CalcHT(), edm::Event::getByToken(), inputJetTagToken_, j, edm::Event::put(), dt_dqm_sourceclient_common_cff::reco, and query::result.

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

 {
    using namespace std;
    using namespace edm;
    using namespace reco;
 
 
    // get hold of collection of objects
    edm::Handle<reco::CaloJetCollection> calojet_handle; 
    iEvent.getByToken(inputJetTagToken_, calojet_handle);
 
    std::auto_ptr<std::vector<double> > result(new std::vector<double>); 
    // check the the input collections are available
    if (calojet_handle.isValid()){
      std::vector<TLorentzVector> myJets;
      reco::CaloJetCollection::const_iterator jetIt;
      for(jetIt = calojet_handle->begin(); jetIt != calojet_handle->end(); jetIt++){
        TLorentzVector j; j.SetPtEtaPhiE(jetIt->pt(),jetIt->eta(), jetIt->phi(), jetIt->energy());
        myJets.push_back(j);
      }
 
      double alphaT = CalcAlphaT(myJets);
      double HT     = CalcHT(myJets);
 
      result->push_back(alphaT);
      result->push_back(HT);
    }
    iEvent.put(result);
 }

Member Data Documentation

edm::InputTag AlphaTVarProducer::inputJetTag_

private

Definition at line 29 of file AlphaTVarProducer.h.

Referenced by AlphaTVarProducer().

edm::EDGetTokenT<reco::CaloJetCollection> AlphaTVarProducer::inputJetTagToken_

private

Definition at line 32 of file AlphaTVarProducer.h.

Referenced by AlphaTVarProducer(), and produce().

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation