MultiVertexBSeeder Class Reference

#include <MultiVertexBSeeder.h>

Inheritance diagram for MultiVertexBSeeder:

Public Member Functions
MultiVertexBSeeder *	clone () const override
	MultiVertexBSeeder (double nsigma=50.)
std::vector< TransientVertex >	vertices (const std::vector< reco::TransientTrack > &) const override
std::vector< TransientVertex >	vertices (const std::vector< reco::TransientTrack > &, const reco::BeamSpot &) const override
Public Member Functions inherited from VertexReconstructor
	VertexReconstructor ()
virtual std::vector< TransientVertex >	vertices (const std::vector< reco::TransientTrack > &primaries, const std::vector< reco::TransientTrack > &tracks, const reco::BeamSpot &spot) const
virtual	~VertexReconstructor ()

Private Attributes
double	theNSigma

Detailed Description

A good seeder for "B-jetty" setups (i.e. high-multiplicity, collimated track "bundles" with at least one secondary vertex )

Definition at line 12 of file MultiVertexBSeeder.h.

Constructor & Destructor Documentation

MultiVertexBSeeder::MultiVertexBSeeder

(

double

nsigma = 50.

)

Definition at line 176 of file MultiVertexBSeeder.cc.

: theNSigma(nsigma) {}

Member Function Documentation

MultiVertexBSeeder * MultiVertexBSeeder::clone ( void  ) const

overridevirtual

Implements VertexReconstructor.

Definition at line 174 of file MultiVertexBSeeder.cc.

{ return new MultiVertexBSeeder(*this); }

vector< TransientVertex > MultiVertexBSeeder::vertices ( const std::vector< reco::TransientTrack > &  ) const

overridevirtual

Reconstruct vertices

Implements VertexReconstructor.

Definition at line 183 of file MultiVertexBSeeder.cc.

References HLT_2018_cff::finder, mps_fire::i, and runTheMatrix::ret.

Referenced by vertices().

                                                                                                 {
  vector<Cluster1D<reco::TransientTrack> > ips = computeIPs(trks);
  /*
  FsmwClusterizer1D < reco::TransientTrack > fsmw ( .4, theNSigma );
  MultiClusterizer1D<reco::TransientTrack> finder ( fsmw );
  */
  OutermostClusterizer1D<reco::TransientTrack> finder;

  pair<vector<Cluster1D<reco::TransientTrack> >, vector<const reco::TransientTrack*> > res;
  res = finder(ips);
#ifdef MVBS_DEBUG
  // need to compute jet trajectory again :-(
  GlobalTrajectoryParameters jet = computeJetTrajectory(trks);
  map<string, harvest::MultiType> attrs;
  attrs["point:mag"] = 0.75;
  attrs["point:color"] = "blue";
  attrs["point:name"] = "mode";
  DebuggingHarvester("out.txt").save(res.first, jet, attrs, "mode");
#endif

  vector<TransientVertex> ret;
  for (vector<Cluster1D<reco::TransientTrack> >::const_iterator i = res.first.begin(); i != res.first.end(); ++i) {
    ret.push_back(pseudoVertexFit(*i,
                                  i != res.first.begin(),
                                  /* kalman fit*/ true));
  }
  return ret;
}

vector< TransientVertex > MultiVertexBSeeder::vertices ( const std::vector< reco::TransientTrack > &  t, const reco::BeamSpot &    ) const

overridevirtual

Reconstruct vertices, exploiting the beamspot constraint for the primary vertex

Reimplemented from VertexReconstructor.

Definition at line 178 of file MultiVertexBSeeder.cc.

References vertices().

                                                                                  {
  return vertices(trks);
}

Member Data Documentation

double MultiVertexBSeeder::theNSigma

private

Definition at line 22 of file MultiVertexBSeeder.h.