#include <L2TauPixelTrackMatch.h>

Inheritance diagram for L2TauPixelTrackMatch:

Classes
struct	TinyTrack

Public Member Functions
	L2TauPixelTrackMatch (const edm::ParameterSet &)

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

	~L2TauPixelTrackMatch ()

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::InputTag	m_beamSpotTag

float	m_deltaR

float	m_jetMaxEta

float	m_jetMinPt

edm::InputTag	m_jetSrc

float	m_trackMinPt

edm::InputTag	m_trackSrc

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

class L2TauPixelTrackMatch this producer creates a new L2 tau jet collection with jets' vertices redefined from vertex z (relative to beamspot) of dr-matched pixel tracks that are above some pt threshold and beamline x & y.

Definition at line 17 of file L2TauPixelTrackMatch.h.

Constructor & Destructor Documentation

L2TauPixelTrackMatch::L2TauPixelTrackMatch ( const edm::ParameterSet & conf )

explicit

Definition at line 22 of file L2TauPixelTrackMatch.cc.

References edm::ParameterSet::getParameter(), m_beamSpotTag, m_deltaR, m_jetMaxEta, m_jetMinPt, m_jetSrc, m_trackMinPt, and m_trackSrc.

 {
   m_jetSrc       = conf.getParameter<edm::InputTag>("JetSrc");
   m_jetMinPt         = conf.getParameter<double>("JetMinPt");
   m_jetMaxEta        = conf.getParameter<double>("JetMaxEta");
   //m_jetMinN        = conf.getParameter<int>("JetMinN");
   m_trackSrc         = conf.getParameter<edm::InputTag>("TrackSrc");
   m_trackMinPt       = conf.getParameter<double>("TrackMinPt");
   m_deltaR       = conf.getParameter<double>("deltaR");
   m_beamSpotTag      = conf.getParameter<edm::InputTag>("BeamSpotSrc");
 
   produces<reco::CaloJetCollection>();
 }

L2TauPixelTrackMatch::~L2TauPixelTrackMatch ( )

Definition at line 37 of file L2TauPixelTrackMatch.cc.

37 {}

Member Function Documentation

void L2TauPixelTrackMatch::produce	(	edm::Event &	ev,
		const edm::EventSetup &	es
	)

virtual

if (jet_with_vertices.size()) new_tau_jets->push_back(jet_with_vertices);

Implements edm::EDProducer.

Definition at line 40 of file L2TauPixelTrackMatch.cc.

References abs, gather_cfg::cout, DBG_PRINT, reco::deltaPhi(), L2TauPixelTrackMatch::TinyTrack::eta, edm::Event::getByLabel(), i, metsig::jet, m_beamSpotTag, m_deltaR, m_jetMaxEta, m_jetMinPt, m_jetSrc, m_trackMinPt, m_trackSrc, n0, L2TauPixelTrackMatch::TinyTrack::phi, L2TauPixelTrackMatch::TinyTrack::pt, edm::Event::put(), dt_dqm_sourceclient_common_cff::reco, reco::LeafCandidate::setVertex(), mathSSE::sqrt(), trigger::TriggerTau, and L2TauPixelTrackMatch::TinyTrack::vtx.

 {
   using namespace std;
   using namespace reco;
 
   // *** Pick up beam spot ***
   
   // use beam spot for vertex x,y
   edm::Handle<BeamSpot> bsHandle;
   ev.getByLabel( m_beamSpotTag, bsHandle);
   const reco::BeamSpot & bs = *bsHandle;
   math::XYZPoint beam_spot(bs.x0(), bs.y0(), bs.z0());
   DBG_PRINT(cout<<endl<<"beamspot "<<beam_spot<<endl);
 
   // *** Pick up pixel tracks ***
 
   edm::Handle<TrackCollection> tracksHandle;
   ev.getByLabel(m_trackSrc,tracksHandle);
 
   // *** Pick up L2 tau jets that were previously selected by some other filter ***
   
   // first, get L2 object refs by the label
   edm::Handle<trigger::TriggerFilterObjectWithRefs> jetsHandle;
   ev.getByLabel(m_jetSrc, jetsHandle);
 
   // now we can get pre-selected L2 tau jets
   std::vector<CaloJetRef> tau_jets;
   jetsHandle->getObjects(trigger::TriggerTau, tau_jets);
   const size_t n_jets = tau_jets.size();
 
   // *** Selects interesting tracks ***
 
   vector<TinyTrack> good_tracks;
   for(TrackCollection::const_iterator itrk = tracksHandle->begin(); itrk != tracksHandle->end(); ++itrk)
   {
     if (itrk->pt() < m_trackMinPt) continue;
     if ( std::abs(itrk->eta()) > m_jetMaxEta + m_deltaR ) continue;
        
     TinyTrack trk;
     trk.pt = itrk->pt();
     trk.phi = itrk->phi();
     trk.eta = itrk->eta();
     double dz = itrk->dz(beam_spot);
     trk.vtx = math::XYZPoint(bs.x(dz), bs.y(dz), dz);
     good_tracks.push_back(trk);
   }
   DBG_PRINT(cout<<"got "<<good_tracks.size()<<" good tracks;   "<<n_jets<<" tau jets"<<endl);
 
 
   // *** Match tau jets to intertesting tracks  and assign them new vertices ***
 
   // the new product
   std::auto_ptr<CaloJetCollection> new_tau_jets(new CaloJetCollection);
   int n_uniq = 0;
   if (good_tracks.size()) for (size_t i=0; i < n_jets; ++i)
   {
     reco::CaloJetRef jet = tau_jets[i];
     if ( jet->pt() < m_jetMinPt || std::abs(jet->eta()) > m_jetMaxEta ) continue;
 
     DBG_PRINT(cout<<i<<" :"<<endl);
     
     size_t n0 = new_tau_jets->size();
     
     for(vector<TinyTrack>::const_iterator itrk = good_tracks.begin(); itrk != good_tracks.end(); ++itrk)
     {
       DBG_PRINT(cout<<"  trk pt,eta,phi,z: "<<itrk->pt<<" "<<itrk->eta<<" "<<itrk->phi<<" "<<itrk->vtx.z()<<" \t\t ");
 
       math::XYZTLorentzVector new_jet_dir = Jet::physicsP4(itrk->vtx, *jet, itrk->vtx);
       float dphi = reco::deltaPhi(new_jet_dir.phi(), itrk->phi);
       float deta = new_jet_dir.eta() - itrk->eta;
       
       DBG_PRINT(cout<<" jet pt,deta,dphi,dr: "<<jet->pt()<<" "<<deta<<" "<<dphi<<" "<<sqrt(dphi*dphi + deta*deta)<<endl);
       
       if ( dphi*dphi + deta*deta > m_deltaR*m_deltaR ) continue;
       
       DBG_PRINT(cout<<"  jet-trk match!"<<endl);
       
       // create a jet copy and assign a new vertex to it
       CaloJet new_jet = *jet;
       new_jet.setVertex(itrk->vtx);
       
       new_tau_jets->push_back(new_jet);
     }
     DBG_PRINT(cout<<"  nmatchedjets "<<new_tau_jets->size() - n0<<endl);
     if (new_tau_jets->size() - n0 > 0 ) n_uniq++;
     
   }
   DBG_PRINT(cout<<"n_uniq_matched_jets "<<n_uniq<<endl<<"storing njets "<<new_tau_jets->size()<<endl);
   
   // store the result
   ev.put(new_tau_jets);
 }