#include <TtFullHadHypothesis.h>

Inheritance diagram for TtFullHadHypothesis:

Public Member Functions
	TtFullHadHypothesis (const edm::ParameterSet &cfg)
	default constructor
	~TtFullHadHypothesis ()
	default destructor
Protected Member Functions
virtual void	buildHypo (edm::Event &event, const edm::Handle< std::vector< pat::Jet > > &jets, std::vector< int > &jetPartonAssociation, const unsigned int iComb)=0
	build event hypothesis from the reco objects of a full-hadronic event
virtual void	buildKey ()=0
	build the event hypothesis key
reco::CompositeCandidate	hypo ()
	return event hypothesis
bool	isValid (const int &idx, const edm::Handle< std::vector< pat::Jet > > &jets)
	check if index is in valid range of selected jets
std::string	jetCorrectionLevel (const std::string &quarkType)
	helper function to construct the proper correction level string for corresponding quarkType
int	key () const
	return key
virtual void	produce (edm::Event &, const edm::EventSetup &)
	produce the event hypothesis as CompositeCandidate and Key
void	resetCandidates ()
	reset candidate pointers before hypo build process
void	setCandidate (const edm::Handle< std::vector< pat::Jet > > &handle, const int &idx, reco::ShallowClonePtrCandidate *&clone, const std::string &correctionLevel)
	use one object in a jet collection to set a ShallowClonePtrCandidate with proper jet corrections
template<typename C >
void	setCandidate (const edm::Handle< C > &handle, const int &idx, reco::ShallowClonePtrCandidate *&clone)
	use one object in a collection to set a ShallowClonePtrCandidate
Protected Attributes
reco::ShallowClonePtrCandidate *	b_
reco::ShallowClonePtrCandidate *	bBar_
bool	getMatch_
std::string	jetCorrectionLevel_
edm::InputTag	jets_
	input label for all necessary collections
int	key_
	hypothesis key (to be set by the buildKey function)
reco::ShallowClonePtrCandidate *	lightP_
reco::ShallowClonePtrCandidate *	lightPBar_
reco::ShallowClonePtrCandidate *	lightQ_
reco::ShallowClonePtrCandidate *	lightQBar_
edm::InputTag	match_

Detailed Description

Definition at line 29 of file TtFullHadHypothesis.h.

Constructor & Destructor Documentation

TtFullHadHypothesis::TtFullHadHypothesis ( const edm::ParameterSet & cfg ) [explicit]

default constructor

Definition at line 5 of file TtFullHadHypothesis.cc.

References edm::ParameterSet::exists(), getMatch_, edm::ParameterSet::getParameter(), jetCorrectionLevel_, and match_.

                                                                  :
  jets_(cfg.getParameter<edm::InputTag>("jets")),
  lightQ_(0), lightQBar_(0), b_(0), bBar_(0), lightP_(0), lightPBar_(0)
{
  getMatch_ = false;
  if( cfg.exists("match") ) {
    getMatch_ = true;
    match_ = cfg.getParameter<edm::InputTag>("match");
  }
  if( cfg.exists("jetCorrectionLevel") ) {
    jetCorrectionLevel_ = cfg.getParameter<std::string>("jetCorrectionLevel");
  }
  produces<std::vector<std::pair<reco::CompositeCandidate, std::vector<int> > > >();
  produces<int>("Key");
}

TtFullHadHypothesis::~TtFullHadHypothesis ( )

default destructor

Definition at line 22 of file TtFullHadHypothesis.cc.

References b_, bBar_, lightP_, lightPBar_, lightQ_, and lightQBar_.

{
  if( lightQ_    ) delete lightQ_;
  if( lightQBar_ ) delete lightQBar_;
  if( b_         ) delete b_;
  if( bBar_      ) delete bBar_;
  if( lightP_    ) delete lightP_;
  if( lightPBar_ ) delete lightPBar_;
}

Member Function Documentation

virtual void TtFullHadHypothesis::buildHypo	(	edm::Event &	event,
		const edm::Handle< std::vector< pat::Jet > > &	jets,
		std::vector< int > &	jetPartonAssociation,
		const unsigned int	iComb
	)		`[protected, pure virtual]`

build event hypothesis from the reco objects of a full-hadronic event

Implemented in TtFullHadHypGenMatch, and TtFullHadHypKinFit.

Referenced by produce().

virtual void TtFullHadHypothesis::buildKey ( ) [protected, pure virtual]

build the event hypothesis key

Implemented in TtFullHadHypGenMatch, and TtFullHadHypKinFit.

Referenced by produce().

reco::CompositeCandidate TtFullHadHypothesis::hypo ( ) [protected]

return event hypothesis

Definition at line 90 of file TtFullHadHypothesis.cc.

References reco::CompositeCandidate::addDaughter(), TtFullHadDaughter::B, b_, TtFullHadDaughter::BBar, bBar_, TtFullHadDaughter::LightP, lightP_, TtFullHadDaughter::LightPBar, lightPBar_, TtFullHadDaughter::LightQ, lightQ_, TtFullHadDaughter::LightQBar, lightQBar_, AddFourMomenta::set(), TtFullHadDaughter::Top, TtFullHadDaughter::TopBar, TtFullHadDaughter::WMinus, and TtFullHadDaughter::WPlus.

Referenced by produce().

{
  // check for sanity of the hypothesis
  if( !lightQ_ || !lightQBar_ || !b_ || 
      !bBar_ || !lightP_ || !lightPBar_ )
    return reco::CompositeCandidate();
  
  // setup transient references
  reco::CompositeCandidate hyp, top, w, topBar, wBar;

  AddFourMomenta addFourMomenta;  
  // build up the top bar branch
  wBar  .addDaughter(*lightP_,    TtFullHadDaughter::LightP    );
  wBar  .addDaughter(*lightPBar_, TtFullHadDaughter::LightPBar );
  addFourMomenta.set( wBar );
  topBar.addDaughter( wBar,  TtFullHadDaughter::WMinus );
  topBar.addDaughter(*bBar_, TtFullHadDaughter::BBar   );
  addFourMomenta.set( topBar );
  
  // build up the top branch that decays hadronically
  w  .addDaughter(*lightQ_,    TtFullHadDaughter::LightQ    );
  w  .addDaughter(*lightQBar_, TtFullHadDaughter::LightQBar );
  addFourMomenta.set( w );
  top.addDaughter( w,  TtFullHadDaughter::WPlus );
  top.addDaughter(*b_, TtFullHadDaughter::B     );
  addFourMomenta.set( top );

  // build ttbar hypotheses
  hyp.addDaughter( topBar, TtFullHadDaughter::TopBar );
  hyp.addDaughter( top,    TtFullHadDaughter::Top    );
  addFourMomenta.set( hyp );

  return hyp;
}

bool TtFullHadHypothesis::isValid	(	const int &	idx,
		const edm::Handle< std::vector< pat::Jet > > &	jets
	)		`[inline, protected]`

check if index is in valid range of selected jets

Definition at line 55 of file TtFullHadHypothesis.h.

References analyzePatCleaning_cfg::jets.

Referenced by TtFullHadHypGenMatch::buildHypo().

{ return (0<=idx && idx<(int)jets->size()); };

std::string TtFullHadHypothesis::jetCorrectionLevel ( const std::string & quarkType ) [protected]

helper function to construct the proper correction level string for corresponding quarkType

helper function to construct the proper correction level string for corresponding quarkType, for unknown quarkTypes an empty string is returned

Definition at line 127 of file TtFullHadHypothesis.cc.

References jetCorrectionLevel_, and testEve_cfg::level.

Referenced by TtFullHadHypGenMatch::buildHypo().

{
  // jetCorrectionLevel was not configured
  if(jetCorrectionLevel_.empty())
    throw cms::Exception("Configuration")
      << "Unconfigured jetCorrectionLevel. Please use an appropriate, non-empty string.\n";

  // quarkType is unknown
  if( !(quarkType=="wQuarkMix" ||
        quarkType=="udsQuark" ||
        quarkType=="cQuark" ||
        quarkType=="bQuark") )
    throw cms::Exception("Configuration")
      << quarkType << " is unknown as a quarkType for the jetCorrectionLevel.\n";

  // combine correction level; start with a ':' even if 
  // there is no flavor tag to be added, as it is needed
  // by setCandidate to disentangle the correction tag 
  // from a potential flavor tag, which can be empty
  std::string level=jetCorrectionLevel_+":";
  if( level=="had:" || level=="ue:" || level=="part:" ){
    if(quarkType=="wQuarkMix"){level+="wMix";}
    if(quarkType=="udsQuark" ){level+="uds";}
    if(quarkType=="cQuark"   ){level+="charm";}
    if(quarkType=="bQuark"   ){level+="bottom";}
  }
  else{
    level+="none";
  }
  return level;
}

int TtFullHadHypothesis::key ( ) const [inline, protected]

return key

Definition at line 51 of file TtFullHadHypothesis.h.

References key_.

Referenced by produce().

{ return key_; };

void TtFullHadHypothesis::produce	(	edm::Event &	evt,
		const edm::EventSetup &	setup
	)		`[protected, virtual]`

produce the event hypothesis as CompositeCandidate and Key

Implements edm::EDProducer.

Definition at line 34 of file TtFullHadHypothesis.cc.

References buildHypo(), buildKey(), edm::Event::getByLabel(), getMatch_, hypo(), i, analyzePatCleaning_cfg::jets, jets_, key(), match(), match_, edm::Event::put(), and resetCandidates().

{
  edm::Handle<std::vector<pat::Jet> > jets;
  evt.getByLabel(jets_, jets);
  
  std::vector<std::vector<int> > matchVec;
  if( getMatch_ ) {
    edm::Handle<std::vector<std::vector<int> > > matchHandle;
    evt.getByLabel(match_, matchHandle);
    matchVec = *matchHandle;
  }
  else {
    std::vector<int> dummyMatch;
    for(unsigned int i = 0; i < 4; ++i) 
      dummyMatch.push_back( -1 );
    matchVec.push_back( dummyMatch );
  }

  // declare auto_ptr for products
  std::auto_ptr<std::vector<std::pair<reco::CompositeCandidate, std::vector<int> > > >
    pOut( new std::vector<std::pair<reco::CompositeCandidate, std::vector<int> > > );
  std::auto_ptr<int> pKey(new int);

  // go through given vector of jet combinations
  unsigned int idMatch = 0;
  typedef std::vector<std::vector<int> >::iterator MatchVecIterator;
  for(MatchVecIterator match = matchVec.begin(); match != matchVec.end(); ++match) {
    // reset pointers
    resetCandidates();
    // build hypothesis
    buildHypo(evt, jets, *match, idMatch++);
    pOut->push_back( std::make_pair(hypo(), *match) );
  }
  // feed out hyps and matches
  evt.put(pOut);

  // build and feed out key
  buildKey();
  *pKey=key();
  evt.put(pKey, "Key");
}

void TtFullHadHypothesis::resetCandidates ( ) [protected]

reset candidate pointers before hypo build process

Definition at line 78 of file TtFullHadHypothesis.cc.

References b_, bBar_, lightP_, lightPBar_, lightQ_, and lightQBar_.

Referenced by produce().

{
  lightQ_    = 0;
  lightQBar_ = 0;
  b_         = 0;
  bBar_      = 0;
  lightP_    = 0;
  lightPBar_ = 0;
}

void TtFullHadHypothesis::setCandidate	(	const edm::Handle< std::vector< pat::Jet > > &	handle,
		const int &	idx,
		reco::ShallowClonePtrCandidate *&	clone,
		const std::string &	correctionLevel
	)		`[protected]`

use one object in a jet collection to set a ShallowClonePtrCandidate with proper jet corrections

Definition at line 161 of file TtFullHadHypothesis.cc.

References patZpeak::handle, and ExpressReco_HICollisions_FallBack::step.

{
  edm::Ptr<pat::Jet> ptr = edm::Ptr<pat::Jet>(handle, idx);
  // disentangle the correction from the potential flavor tag 
  // by the separating ':'; the flavor tag can be empty though
  std::string step   = correctionLevel.substr(0,correctionLevel.find(":"));
  std::string flavor = correctionLevel.substr(1+correctionLevel.find(":"));
  float corrFactor = 1.;
  if(flavor=="wMix")
    corrFactor = 0.75*ptr->jecFactor(step, "uds") + 0.25*ptr->jecFactor(step, "charm");
  else
    corrFactor = ptr->jecFactor(step, flavor);
  clone = new reco::ShallowClonePtrCandidate( ptr, ptr->charge(), ptr->p4()*corrFactor, ptr->vertex() );
}

template<typename C >

void TtFullHadHypothesis::setCandidate	(	const edm::Handle< C > &	handle,
		const int &	idx,
		reco::ShallowClonePtrCandidate *&	clone
	)		`[protected]`

use one object in a collection to set a ShallowClonePtrCandidate

Definition at line 96 of file TtFullHadHypothesis.h.

References patZpeak::handle.

Referenced by TtFullHadHypGenMatch::buildHypo(), and TtFullHadHypKinFit::buildHypo().

                                                                                                                  {
  typedef typename C::value_type O;
  edm::Ptr<O> ptr = edm::Ptr<O>(handle, idx);
  clone = new reco::ShallowClonePtrCandidate( ptr, ptr->charge(), ptr->p4(), ptr->vertex() );
}