---

L1MuonSeedsMerger Class Reference

#include <RecoMuon/TrackerSeedGenerator/interface/L1MuonSeedsMerger.h>

List of all members.

Public Types
typedef std::pair< const reco::Track *, SeedingHitSet::Hits >	TrackAndHits
typedef std::vector< TrackAndHits >	TracksAndHits
Public Member Functions
	L1MuonSeedsMerger (const edm::ParameterSet &cfg)
virtual void	resolve (TracksAndHits &) const
virtual	~L1MuonSeedsMerger ()
Private Types
enum	Action { goAhead, killFirst, killSecond, mergeTwo }
Private Member Functions
Action	compare (const TrackAndHits *, const TrackAndHits *) const
const TrackAndHits *	merge (const TrackAndHits *, const TrackAndHits *) const
Private Attributes
float	theDeltaEtaCut
float	theDiffRelPtCut
Classes
struct	Less

---

Detailed Description

Definition at line 10 of file L1MuonSeedsMerger.h.

---

Member Typedef Documentation

typedef std::pair<const reco::Track*, SeedingHitSet::Hits > L1MuonSeedsMerger::TrackAndHits

Definition at line 12 of file L1MuonSeedsMerger.h.

typedef std::vector<TrackAndHits> L1MuonSeedsMerger::TracksAndHits

Definition at line 13 of file L1MuonSeedsMerger.h.

---

Member Enumeration Documentation

enum L1MuonSeedsMerger::Action [private]

Enumerator:

goAhead
killFirst
killSecond
mergeTwo

Definition at line 18 of file L1MuonSeedsMerger.h.

{ goAhead, killFirst, killSecond, mergeTwo };

---

Constructor & Destructor Documentation

L1MuonSeedsMerger::L1MuonSeedsMerger

(

const edm::ParameterSet &

cfg

)

Definition at line 6 of file L1MuonSeedsMerger.cc.

References edm::ParameterSet::getParameter(), theDeltaEtaCut, and theDiffRelPtCut.

{
  theDeltaEtaCut  = cfg.getParameter<double>("deltaEtaCut");
  theDiffRelPtCut = cfg.getParameter<double>("diffRelPtCut");
}

virtual L1MuonSeedsMerger::~L1MuonSeedsMerger

(

)

[inline, virtual]

Definition at line 15 of file L1MuonSeedsMerger.h.

{}

---

Member Function Documentation

L1MuonSeedsMerger::Action L1MuonSeedsMerger::compare	(	const TrackAndHits *	a,
		const TrackAndHits *	b
	)			const [private]

Definition at line 60 of file L1MuonSeedsMerger.cc.

References goAhead, killFirst, killSecond, and theDiffRelPtCut.

{
  int nshared = 0;
  const SeedingHitSet::Hits & hitsA = a->second;
  const SeedingHitSet::Hits & hitsB = b->second;
  SeedingHitSet::Hits::const_iterator ihA, ihB;
  for (ihA = hitsA.begin(); ihA != hitsA.end(); ihA++)
    for (ihB = hitsB.begin(); ihB != hitsB.end(); ihB++) {
      const TrackingRecHit* trha = *ihA;
      const TrackingRecHit* trhb = *ihB;
      if (trha==trhb) nshared++;
    }

  if (nshared >= 2) {
    if (hitsA.size() >= 3 && hitsB.size() >= 3 )
      return (a->first->chi2() > b->first->chi2()) ? killFirst : killSecond;
    else if (hitsB.size() >= 3)
      return killFirst;
    else
      return killSecond;
  }
  else if (nshared >= 1) {
    if (hitsA.size() != hitsB.size())
      return (hitsA.size() < hitsB.size()) ? killFirst : killSecond;
    else if (    hitsA.size() >= 3
              && a->first->charge()==b->first->charge()
              && fabs(a->first->pt()-b->first->pt())/b->first->pt() < theDiffRelPtCut )
      return (a->first->chi2() > b->first->chi2()) ? killFirst : killSecond;
    else if (    hitsA.size() == 2 )
      return (a->first->pt() < b->first->pt()) ? killFirst : killSecond;
    else
      return goAhead;
  }
  else return goAhead;
}

const L1MuonSeedsMerger::TrackAndHits * L1MuonSeedsMerger::merge	(	const TrackAndHits *	a,
		const TrackAndHits *	b
	)			const [private]

Definition at line 47 of file L1MuonSeedsMerger.cc.

{
// temporary algorith, takes track with bigger pt, to be reimplemented
  if (a->first->pt() > b->first->pt()) {
    delete b->first;
    return a;
  } else {
    delete a->first;
    return b;
  }
}

virtual void L1MuonSeedsMerger::resolve

(

TracksAndHits &

)

const [virtual]

Referenced by TSGFromL1Muon::produce().

---

Member Data Documentation

float L1MuonSeedsMerger::theDeltaEtaCut [private]

Definition at line 23 of file L1MuonSeedsMerger.h.

Referenced by L1MuonSeedsMerger().

float L1MuonSeedsMerger::theDiffRelPtCut [private]

Definition at line 24 of file L1MuonSeedsMerger.h.

Referenced by compare(), and L1MuonSeedsMerger().

---

The documentation for this class was generated from the following files:

• RecoMuon/TrackerSeedGenerator/interface/L1MuonSeedsMerger.h
• RecoMuon/TrackerSeedGenerator/src/L1MuonSeedsMerger.cc

---