#include <Vertices.h>

Public Member Functions
void	Fill (const edm::Event &)

void	ReadFromEvent (const edm::Event &)

	Vertices ()

	Vertices (const edm::InputTag &, TTree *)

	~Vertices ()

Static Public Attributes
static const int	maxPVs = 100

Protected Attributes
reco::VertexCollection	candidates_

float	chi2_ [maxPVs]

std::string	configParameter_

bool	fake_ [maxPVs]

edm::InputTag	input_collection_

int	n_

float	ndof_ [maxPVs]

float	rho_ [maxPVs]

TTree *	tree_

float	x_ [maxPVs]

float	xe_ [maxPVs]

float	y_ [maxPVs]

float	ye_ [maxPVs]

float	z_ [maxPVs]

float	ze_ [maxPVs]

Detailed Description

Definition at line 45 of file Vertices.h.

Constructor & Destructor Documentation

Vertices::Vertices ( )

Definition at line 44 of file Vertices.cc.

 {
    // default constructor
 }

Vertices::Vertices	(	const edm::InputTag &	tag,
		TTree *	tree
	)

Definition at line 49 of file Vertices.cc.

References chi2_, fake_, input_collection_, n_, ndof_, rho_, tree_, x_, xe_, y_, ye_, z_, and ze_.

 {
    input_collection_ = tag;
    tree_ = tree;
 
    tree_->Branch("n",   &this->n_,    "n/I");
    tree_->Branch("x",    this->x_,    "x[n]/F");
    tree_->Branch("y",    this->y_,    "y[n]/F");
    tree_->Branch("z",    this->z_,    "z[n]/F");
    tree_->Branch("xe",   this->xe_,   "xe[n]/F");
    tree_->Branch("ye",   this->ye_,   "ye[n]/F");
    tree_->Branch("ze",   this->ze_,   "ze[n]/F");
    tree_->Branch("rho",  this->rho_,  "rho[n]/F");
    tree_->Branch("chi2", this->chi2_, "chi2[n]/F");
    tree_->Branch("ndof", this->ndof_, "ndof[n]/F");
    tree_->Branch("fake", this->fake_, "fake[n]/O");
       
 }

Vertices::~Vertices ( )

Definition at line 68 of file Vertices.cc.

 {
    // do anything here that needs to be done at desctruction time
    // (e.g. close files, deallocate resources etc.)
 }

Member Function Documentation

void Vertices::Fill ( const edm::Event & event )

Definition at line 112 of file Vertices.cc.

References ReadFromEvent(), and tree_.

 {
    this->ReadFromEvent(event);
    tree_->Fill();
 }

void Vertices::ReadFromEvent ( const edm::Event & event )

Definition at line 80 of file Vertices.cc.

References candidates_, chi2_, fake_, input_collection_, maxPVs, n_, ndof_, rho_, x_, xe_, y_, ye_, z_, and ze_.

Referenced by Fill().

 {
    using namespace edm;
    
    edm::Handle<reco::VertexCollection> handler;
    event.getByLabel(this->input_collection_, handler);
    candidates_ = *(handler.product());
    
    int n = 0;
    for ( size_t i = 0 ; i < candidates_.size(); ++i )
    {
       if ( n >= maxPVs ) break;
       
       this->x_[n]    = candidates_[i].x();
       this->y_[n]    = candidates_[i].y();
       this->z_[n]    = candidates_[i].z();
       this->xe_[n]   = candidates_[i].xError();
       this->ye_[n]   = candidates_[i].yError();
       this->ze_[n]   = candidates_[i].zError();
       this->fake_[n] = candidates_[i].isFake();
       this->ndof_[n] = candidates_[i].ndof();
       this->chi2_[n] = candidates_[i].chi2();
       this->rho_[n]  = candidates_[i].position().Rho();
       
       ++n;
       
    }
    this->n_ = n;
 
    
 }