l1tVertexFinder::Vertex Class Reference

#include <Vertex.h>

Public Member Functions
void	computeParameters ()
	Compute vertex parameters. More...
void	insert (TP &tp)
	Assign TP to this vertex. More...
unsigned int	numTracks () const
	Number of tracks originating from this vertex. More...
double	pT () const
	Sum of fitted tracks transverse momentum [GeV]. More...
void	reset ()
	Reset/initialize all of the member data. More...
const std::vector< TP > &	tracks () const
	Tracking Particles in vertex. More...
	Vertex ()
	Vertex (double vz)
double	vz () const
	Vertex z position [cm]. More...
double	z0 () const
	Vertex z0 position [cm]. More...
double	z0width () const
	Vertex z0 width [cm]. More...
	~Vertex ()

Private Attributes
double	pT_
std::vector< TP >	tracks_
double	vz_
double	z0_
double	z0width_

Detailed Description

Definition at line 10 of file Vertex.h.

Constructor & Destructor Documentation

Vertex() [1/2]

l1tVertexFinder::Vertex::Vertex ( )

inline

Definition at line 13 of file Vertex.h.

References Vertex().

Referenced by Vertex().

{ Vertex(-999.); }

Vertex() [2/2]

l1tVertexFinder::Vertex::Vertex ( double  vz )

inline

Definition at line 15 of file Vertex.h.

References pT_, z0_, and z0width_.

                      : vz_(vz) {
      z0_ = -999.;
      z0width_ = -999.;
      pT_ = -999.;
    }

~Vertex()

l1tVertexFinder::Vertex::~Vertex ( )

inline

Definition at line 21 of file Vertex.h.

{}

Member Function Documentation

computeParameters()

void l1tVertexFinder::Vertex::computeParameters

(

)

Compute vertex parameters.

Definition at line 6 of file Vertex.cc.

References funct::abs(), pT_, mathSSE::sqrt(), HLT_2024v11_cff::track, tracks_, z0_, and z0width_.

                                 {
    pT_ = 0.;
    z0_ = 0.;
    float z0square = 0.;
    for (const TP& track : tracks_) {
      pT_ += track->pt();
      z0_ += track->z0();
      z0square += track->z0() * track->z0();
    }
    z0_ /= tracks_.size();
    z0square /= tracks_.size();
    z0width_ = sqrt(std::abs(z0_ * z0_ - z0square));
  }

insert()

void l1tVertexFinder::Vertex::insert ( TP &  tp )

inline

Assign TP to this vertex.

Definition at line 28 of file Vertex.h.

References cmsswSequenceInfo::tp, and tracks_.

Referenced by l1tVertexFinder::VertexFinder::GapClustering().

{ tracks_.push_back(tp); }

numTracks()

unsigned int l1tVertexFinder::Vertex::numTracks ( ) const

inline

Number of tracks originating from this vertex.

Definition at line 26 of file Vertex.h.

References tracks_.

Referenced by l1tVertexFinder::VertexFinder::GapClustering().

{ return tracks_.size(); }

pT()

double l1tVertexFinder::Vertex::pT ( ) const

inline

Sum of fitted tracks transverse momentum [GeV].

Definition at line 32 of file Vertex.h.

References pT_.

Referenced by l1tVertexFinder::InputData::SortVertexByPt::operator()().

{ return pT_; }

reset()

void l1tVertexFinder::Vertex::reset

(

)

Reset/initialize all of the member data.

tracks()

const std::vector<TP>& l1tVertexFinder::Vertex::tracks ( void  ) const

inline

Tracking Particles in vertex.

Definition at line 24 of file Vertex.h.

References tracks_.

{ return tracks_; }

vz()

double l1tVertexFinder::Vertex::vz ( ) const

inline

Vertex z position [cm].

Definition at line 38 of file Vertex.h.

References vz_.

Referenced by l1tVertexFinder::VertexNTupler::analyze().

{ return vz_; }

z0()

double l1tVertexFinder::Vertex::z0 ( ) const

inline

Vertex z0 position [cm].

Definition at line 34 of file Vertex.h.

References z0_.

Referenced by l1tVertexFinder::InputData::SortVertexByZ0::operator()().

{ return z0_; }

z0width()

double l1tVertexFinder::Vertex::z0width ( ) const

inline

Vertex z0 width [cm].

Definition at line 36 of file Vertex.h.

References z0width_.

{ return z0width_; }

Member Data Documentation

pT_

double l1tVertexFinder::Vertex::pT_

private

Definition at line 46 of file Vertex.h.

Referenced by computeParameters(), pT(), and Vertex().

tracks_

std::vector<TP> l1tVertexFinder::Vertex::tracks_

private

Definition at line 48 of file Vertex.h.

Referenced by computeParameters(), insert(), numTracks(), and tracks().

vz_

double l1tVertexFinder::Vertex::vz_

private

Definition at line 43 of file Vertex.h.

Referenced by vz().

z0_

double l1tVertexFinder::Vertex::z0_

private

Definition at line 44 of file Vertex.h.

Referenced by computeParameters(), Vertex(), and z0().

z0width_

double l1tVertexFinder::Vertex::z0width_

private

Definition at line 45 of file Vertex.h.

Referenced by computeParameters(), Vertex(), and z0width().