MultiVertexBSeeder Class Reference

#include <MultiVertexBSeeder.h>

Inheritance diagram for MultiVertexBSeeder:

Public Member Functions
MultiVertexBSeeder *	clone () const
	MultiVertexBSeeder (double nsigma=50.)
std::vector< TransientVertex >	vertices (const std::vector< reco::TransientTrack > &) const
std::vector< TransientVertex >	vertices (const std::vector< reco::TransientTrack > &, const reco::BeamSpot &) const
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 207 of file MultiVertexBSeeder.cc.

                                                       :
  theNSigma ( nsigma ) {}

Member Function Documentation

MultiVertexBSeeder * MultiVertexBSeeder::clone ( void  ) const

virtual

Implements VertexReconstructor.

Definition at line 202 of file MultiVertexBSeeder.cc.

{
  return new MultiVertexBSeeder ( * this );
}

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

virtual

Reconstruct vertices

Implements VertexReconstructor.

Definition at line 217 of file MultiVertexBSeeder.cc.

References i, run_regression::ret, and funct::true.

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

virtual

Reconstruct vertices, exploiting the beamspot constraint for the primary vertex

Reimplemented from VertexReconstructor.

Definition at line 210 of file MultiVertexBSeeder.cc.

References vertices().

{
  return vertices ( trks );
}

Member Data Documentation

double MultiVertexBSeeder::theNSigma

private

Definition at line 25 of file MultiVertexBSeeder.h.