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Public Types | Public Member Functions | Private Member Functions | Private Attributes

reco::PFDisplacedVertex Class Reference

Block of elements. More...

#include <PFDisplacedVertex.h>

Inheritance diagram for reco::PFDisplacedVertex:
reco::Vertex

List of all members.

Public Types

enum  M_Hypo {
  M_CUSTOM, M_MASSLESS, M_PION, M_KAON,
  M_LAMBDA
}
 

Mass hypothesis enum.

More...
typedef std::pair
< PFTrackHitInfo,
PFTrackHitInfo > 		PFTrackHitFullInfo
typedef std::pair< unsigned
int, unsigned int > 		PFTrackHitInfo
 Information on the distance between track's hits and the Vertex.
enum  VertexTrackType { T_NOT_FROM_VERTEX, T_TO_VERTEX, T_FROM_VERTEX, T_MERGED }
enum  VertexType {
  ANY = 0, FAKE = 1, LOOPER = 2, NUCL = 10,
  NUCL_LOOSE = 11, NUCL_KINK = 12, CONVERSION = 20, CONVERSION_LOOSE = 21,
  CONVERTED_BREMM = 22, K0_DECAY = 30, LAMBDA_DECAY = 31, LAMBDABAR_DECAY = 32,
  KPLUS_DECAY = 40, KMINUS_DECAY = 41, KPLUS_DECAY_LOOSE = 42, KMINUS_DECAY_LOOSE = 43,
  BSM_VERTEX = 100
}

Public Member Functions

void addElement (const TrackBaseRef &r, const Track &refTrack, const PFTrackHitFullInfo &hitInfo, VertexTrackType trackType=T_NOT_FROM_VERTEX, float w=1.0)
 Add a new track to the vertex.
const double angle_io () const
void calcKinematics ()
void cleanTracks ()
 Clean the tracks collection and all the associated collections.
void Dump (std::ostream &out=std::cout) const
 cout function
bool isBSM () const
bool isConv () const
bool isConv_Loose () const
bool isConvertedBremm () const
bool isFake () const
const bool isIncomingTrack (const reco::TrackBaseRef &originalTrack) const
 Is primary or merged track.
bool isK0 () const
bool isKminus () const
bool isKminus_Loose () const
bool isKplus () const
bool isKplus_Loose () const
bool isLambda () const
bool isLambdaBar () const
bool isLooper () const
const bool isMergedTrack (const reco::TrackBaseRef &originalTrack) const
 Is a secondary track was identified.
bool isNucl () const
bool isNucl_Kink () const
bool isNucl_Loose () const
const bool isOutgoingTrack (const reco::TrackBaseRef &originalTrack) const
 Is secondary track.
const bool isPrimaryTrack (const reco::TrackBaseRef &originalTrack) const
 Is a primary track was identified.
const bool isSecondaryTrack (const reco::TrackBaseRef &originalTrack) const
 Is a secondary track was identified.
const bool isThereMergedTracks () const
 If a merged track was identified.
const bool isThereNotFromVertexTracks () const
 If there is a track which was not identified.
const bool isTherePrimaryTracks () const
 -------- Provide useful information -------- ///
const bool isThereSecondaryTracks () const
 If a secondary track was identified.
std::string nameVertexType () const
const int nMergedTracks () const
 Number of merged tracks was identified.
const int nNotFromVertexTracks () const
 Number of tracks which was not identified.
const int nPrimaryTracks () const
 Number of primary tracks was identified.
const int nSecondaryTracks () const
 Number of secondary tracks was identified.
const int nTracks () const
 Number of tracks.
 PFDisplacedVertex (reco::Vertex &)
 Constructor from the reco::Vertex.
 PFDisplacedVertex ()
 Default constructor.
const math::XYZVector primaryDirection () const
 Primary Direction.
const math::XYZTLorentzVector primaryMomentum (std::string massHypo="PI", bool useRefitted=true, double mass=0.0) const
 Momentum of primary or merged track calculated with a mass hypothesis.
const math::XYZTLorentzVector primaryMomentum (M_Hypo massHypo, bool useRefitted=true, double mass=0.0) const
 Momentum of primary or merged track calculated with a mass hypothesis.
const double primaryPt () const
 Momentum of primary or merged track calculated with a mass hypothesis.
const math::XYZTLorentzVector secondaryMomentum (M_Hypo massHypo, bool useRefitted=true, double mass=0.0) const
const math::XYZTLorentzVector secondaryMomentum (std::string massHypo="PI", bool useRefitted=true, double mass=0.0) const
const double secondaryPt () const
void setPrimaryDirection (const math::XYZPoint &pvtx)
void setVertexType (VertexType vertexType)
 Set the type of this vertex.
const int totalCharge () const
 Total Charge.
const PFTrackHitFullInfo trackHitFullInfo (const reco::TrackBaseRef &originalTrack) const
const std::vector
< PFTrackHitFullInfo > 		trackHitFullInfos () const
const std::vector
< VertexTrackType > 		trackTypes () const
VertexType vertexType ()
 Get the type of this vertex.

Private Member Functions

const double getMass2 (M_Hypo, double) const
 Get the mass with a given hypothesis.
const bool isThereKindTracks (VertexTrackType) const
 --------- TOOLS -------------- ///
const bool isTrack (size_t itrk, VertexTrackType T) const
const math::XYZTLorentzVector momentum (M_Hypo massHypo, VertexTrackType, bool, double mass) const
 Common tool to calculate the momentum vector of tracks with a given Kind.
const math::XYZTLorentzVector momentum (std::string, VertexTrackType, bool, double mass) const
 Common tool to calculate the momentum vector of tracks with a given Kind.
const int nKindTracks (VertexTrackType) const
 Common tool used to get the number of tracks of a given Kind.
const size_t trackPosition (const reco::TrackBaseRef &originalTrack) const

Private Attributes

math::XYZTLorentzVector defaultPrimaryMomentum_
math::XYZTLorentzVector defaultSecondaryMomentum_
math::XYZVector primaryDirection_
std::vector< PFTrackHitFullInfo > trackHitFullInfos_
 Information on the distance between track's hits and the Vertex.
std::vector< VertexTrackType > trackTypes_
 Types of the tracks associated to the vertex.
VertexType vertexType_
 -------- MEMBERS -------- ///

Detailed Description

Block of elements.

Author:
Maxime Gouzevitch
Date:
November 2009

A DisplacedVertex is an extension of Vector with some additionnal informations tracks's hit-vertex distances, tracks types and the expected vertex type.

Definition at line 24 of file PFDisplacedVertex.h.

Member Typedef Documentation

typedef std::pair<PFTrackHitInfo, PFTrackHitInfo> reco::PFDisplacedVertex::PFTrackHitFullInfo

Definition at line 30 of file PFDisplacedVertex.h.

typedef std::pair<unsigned int, unsigned int> reco::PFDisplacedVertex::PFTrackHitInfo

Information on the distance between track's hits and the Vertex.

Definition at line 29 of file PFDisplacedVertex.h.

Member Enumeration Documentation

enum reco::PFDisplacedVertex::M_Hypo

Mass hypothesis enum.

Enumerator:
M_CUSTOM 
M_MASSLESS 
M_PION 
M_KAON 
M_LAMBDA 

Definition at line 33 of file PFDisplacedVertex.h.

                {
      M_CUSTOM,
      M_MASSLESS,
      M_PION,
      M_KAON,
      M_LAMBDA
    };
enum reco::PFDisplacedVertex::VertexTrackType

Classification of tracks according to the position with respect to the Vertex. A Merged track is a track which has at least two hits before and two hits after the vertex. It may come from a primary track merged with a low quality secondary track.

Enumerator:
T_NOT_FROM_VERTEX 
T_TO_VERTEX 
T_FROM_VERTEX 
T_MERGED 

Definition at line 46 of file PFDisplacedVertex.h.

                         {
      T_NOT_FROM_VERTEX,
      T_TO_VERTEX,
      T_FROM_VERTEX,
      T_MERGED
    };
enum reco::PFDisplacedVertex::VertexType

Classification of vertex according to different parameters such as the Number of tracks, the invariant mass etc...

Enumerator:
ANY 
FAKE 
LOOPER 
NUCL 
NUCL_LOOSE 
NUCL_KINK 
CONVERSION 
CONVERSION_LOOSE 
CONVERTED_BREMM 
K0_DECAY 
LAMBDA_DECAY 
LAMBDABAR_DECAY 
KPLUS_DECAY 
KMINUS_DECAY 
KPLUS_DECAY_LOOSE 
KMINUS_DECAY_LOOSE 
BSM_VERTEX 

Definition at line 55 of file PFDisplacedVertex.h.

                    {
      ANY = 0,
      FAKE = 1,
      LOOPER = 2,
      NUCL = 10,
      NUCL_LOOSE = 11,
      NUCL_KINK = 12,
      CONVERSION = 20,
      CONVERSION_LOOSE = 21,
      CONVERTED_BREMM = 22,
      K0_DECAY = 30,
      LAMBDA_DECAY = 31,
      LAMBDABAR_DECAY = 32,
      KPLUS_DECAY = 40,
      KMINUS_DECAY = 41,
      KPLUS_DECAY_LOOSE = 42,
      KMINUS_DECAY_LOOSE = 43,
      BSM_VERTEX = 100
    };

Constructor & Destructor Documentation

PFDisplacedVertex::PFDisplacedVertex ( )

Default constructor.

Definition at line 9 of file PFDisplacedVertex.cc.

                                     : Vertex(),
                                         vertexType_(ANY),
                                         primaryDirection_(0,0,0)
{}
PFDisplacedVertex::PFDisplacedVertex ( reco::Vertex &  v)

Constructor from the reco::Vertex.

Definition at line 14 of file PFDisplacedVertex.cc.

                                              : Vertex(v),
                                                  vertexType_(ANY),
                                                  primaryDirection_(0,0,0)
{}

Member Function Documentation

void PFDisplacedVertex::addElement ( const TrackBaseRef &  r,
const Track &  refTrack,
const PFTrackHitFullInfo &  hitInfo,
VertexTrackType  trackType = T_NOT_FROM_VERTEX,
float  w = 1.0 
)

Add a new track to the vertex.

Definition at line 20 of file PFDisplacedVertex.cc.

References reco::Vertex::add(), trackHitFullInfos_, and trackTypes_.

Referenced by PFDisplacedVertexFinder::fitVertexFromSeed().

                                                                    {
  add(r, refTrack, w );
  trackTypes_.push_back(trackType);
  trackHitFullInfos_.push_back(hitInfo);
}
const double PFDisplacedVertex::angle_io ( ) const

Angle PrimaryVertex-DisplacedVertex (or primary track if there is) And secondary momentum

Definition at line 189 of file PFDisplacedVertex.cc.

References alignCSCRings::e, Pi, primaryDirection(), secondaryMomentum(), and mathSSE::sqrt().

Referenced by PFDisplacedVertexHelper::identifyVertex().

                                  {
  math::XYZTLorentzVector momentumSec = secondaryMomentum((string) "PI", true);

  math::XYZVector p_out = momentumSec.Vect();

  math::XYZVector p_in = primaryDirection();

  if (p_in.Mag2() < 1e-10) return -1;
  return acos(p_in.Dot(p_out)/sqrt(p_in.Mag2()*p_out.Mag2()))/TMath::Pi()*180.0; 
  
}
void reco::PFDisplacedVertex::calcKinematics ( ) [inline]

Definition at line 223 of file PFDisplacedVertex.h.

References defaultPrimaryMomentum_, defaultSecondaryMomentum_, momentum(), T_FROM_VERTEX, and T_TO_VERTEX.

Referenced by PFDisplacedVertexFinder::fitVertexFromSeed().

                         {
      defaultPrimaryMomentum_ = momentum("PI", T_TO_VERTEX, false, 0.0);
      defaultSecondaryMomentum_ = momentum("PI", T_FROM_VERTEX, true, 0.0);
    }
void PFDisplacedVertex::cleanTracks ( )

Clean the tracks collection and all the associated collections.

Definition at line 29 of file PFDisplacedVertex.cc.

References reco::Vertex::removeTracks(), trackHitFullInfos_, and trackTypes_.

                               {

  removeTracks();
  trackTypes_.clear();
  trackHitFullInfos_.clear();

}
void reco::PFDisplacedVertex::Dump ( std::ostream &  out = std::cout) const

cout function

const double PFDisplacedVertex::getMass2 ( M_Hypo  massHypo,
double  mass 
) const [private]

Get the mass with a given hypothesis.

Definition at line 221 of file PFDisplacedVertex.cc.

References gather_cfg::cout, M_CUSTOM, M_KAON, M_LAMBDA, M_MASSLESS, and M_PION.

Referenced by momentum().

                                                              {

  // pion_mass = 0.1396 GeV
  double pion_mass2 = 0.0194;
  // k0_mass = 0.4976 GeV
  double kaon_mass2 = 0.2476;
  // lambda0_mass = 1.116 GeV
  double lambda_mass2 = 1.267;
        
  if (massHypo == M_PION) return pion_mass2;
  else if (massHypo == M_KAON) return kaon_mass2;
  else if (massHypo == M_LAMBDA) return lambda_mass2;
  else if (massHypo == M_MASSLESS) return 0;
  else if (massHypo == M_CUSTOM) return mass*mass;

  cout << "Warning: undefined mass hypothesis" << endl;
  return 0;

}
bool reco::PFDisplacedVertex::isBSM ( ) const [inline]

Definition at line 266 of file PFDisplacedVertex.h.

References BSM_VERTEX, and vertexType_.

{ return vertexType_ ==   BSM_VERTEX;}
bool reco::PFDisplacedVertex::isConv ( ) const [inline]

Definition at line 256 of file PFDisplacedVertex.h.

References CONVERSION, and vertexType_.

{ return vertexType_ ==   CONVERSION;}
bool reco::PFDisplacedVertex::isConv_Loose ( ) const [inline]

Definition at line 257 of file PFDisplacedVertex.h.

References CONVERSION_LOOSE, and vertexType_.

{ return vertexType_ ==   CONVERSION_LOOSE;}
bool reco::PFDisplacedVertex::isConvertedBremm ( ) const [inline]

Definition at line 258 of file PFDisplacedVertex.h.

References CONVERTED_BREMM, and vertexType_.

{ return vertexType_ ==   CONVERTED_BREMM;}
bool reco::PFDisplacedVertex::isFake ( ) const [inline]

Tells whether a Vertex is fake, i.e. not a vertex made out of a proper fit with tracks. For a primary vertex, it could simply be the beam line.

Reimplemented from reco::Vertex.

Definition at line 251 of file PFDisplacedVertex.h.

References FAKE, and vertexType_.

Referenced by PFDisplacedVertexFinder::rejectAndLabelVertex().

{ return vertexType_ == FAKE;}
const bool reco::PFDisplacedVertex::isIncomingTrack ( const reco::TrackBaseRef &  originalTrack) const [inline]

Is primary or merged track.

Definition at line 157 of file PFDisplacedVertex.h.

References isTrack(), T_MERGED, T_TO_VERTEX, and trackPosition().

Referenced by PF_PU_AssoMapAlgos::FindNIVertex().

    {
      size_t itrk = trackPosition(originalTrack);
      return isTrack(itrk, T_MERGED) || isTrack(itrk, T_TO_VERTEX);
    }
bool reco::PFDisplacedVertex::isK0 ( ) const [inline]

Definition at line 259 of file PFDisplacedVertex.h.

References K0_DECAY, and vertexType_.

{ return vertexType_ ==   K0_DECAY;}
bool reco::PFDisplacedVertex::isKminus ( ) const [inline]

Definition at line 263 of file PFDisplacedVertex.h.

References KMINUS_DECAY, and vertexType_.

{ return vertexType_ ==   KMINUS_DECAY;}
bool reco::PFDisplacedVertex::isKminus_Loose ( ) const [inline]

Definition at line 265 of file PFDisplacedVertex.h.

References KMINUS_DECAY_LOOSE, and vertexType_.

{ return vertexType_ ==   KMINUS_DECAY_LOOSE;}
bool reco::PFDisplacedVertex::isKplus ( ) const [inline]

Definition at line 262 of file PFDisplacedVertex.h.

References KPLUS_DECAY, and vertexType_.

{ return vertexType_ ==   KPLUS_DECAY;}
bool reco::PFDisplacedVertex::isKplus_Loose ( ) const [inline]

Definition at line 264 of file PFDisplacedVertex.h.

References KPLUS_DECAY_LOOSE, and vertexType_.

{ return vertexType_ ==   KPLUS_DECAY_LOOSE;}
bool reco::PFDisplacedVertex::isLambda ( ) const [inline]

Definition at line 260 of file PFDisplacedVertex.h.

References LAMBDA_DECAY, and vertexType_.

{ return vertexType_ ==   LAMBDA_DECAY;}
bool reco::PFDisplacedVertex::isLambdaBar ( ) const [inline]

Definition at line 261 of file PFDisplacedVertex.h.

References LAMBDABAR_DECAY, and vertexType_.

{ return vertexType_ ==   LAMBDABAR_DECAY;}
bool reco::PFDisplacedVertex::isLooper ( ) const [inline]

Definition at line 252 of file PFDisplacedVertex.h.

References LOOPER, and vertexType_.

{ return vertexType_ ==  LOOPER;}
const bool reco::PFDisplacedVertex::isMergedTrack ( const reco::TrackBaseRef &  originalTrack) const [inline]

Is a secondary track was identified.

Definition at line 143 of file PFDisplacedVertex.h.

References isTrack(), T_MERGED, and trackPosition().

    {
      size_t itrk = trackPosition(originalTrack);
      return isTrack(itrk, T_MERGED);
    }
bool reco::PFDisplacedVertex::isNucl ( ) const [inline]

Definition at line 253 of file PFDisplacedVertex.h.

References NUCL, and vertexType_.

{ return vertexType_ ==  NUCL;}
bool reco::PFDisplacedVertex::isNucl_Kink ( ) const [inline]

Definition at line 255 of file PFDisplacedVertex.h.

References NUCL_KINK, and vertexType_.

{ return vertexType_ ==   NUCL_KINK;}
bool reco::PFDisplacedVertex::isNucl_Loose ( ) const [inline]

Definition at line 254 of file PFDisplacedVertex.h.

References NUCL_LOOSE, and vertexType_.

{ return vertexType_ ==  NUCL_LOOSE;}
const bool reco::PFDisplacedVertex::isOutgoingTrack ( const reco::TrackBaseRef &  originalTrack) const [inline]

Is secondary track.

Definition at line 164 of file PFDisplacedVertex.h.

References isTrack(), T_FROM_VERTEX, and trackPosition().

    {
      size_t itrk = trackPosition(originalTrack);
      return isTrack(itrk, T_FROM_VERTEX);    
    }
const bool reco::PFDisplacedVertex::isPrimaryTrack ( const reco::TrackBaseRef &  originalTrack) const [inline]

Is a primary track was identified.

Definition at line 129 of file PFDisplacedVertex.h.

References isTrack(), T_TO_VERTEX, and trackPosition().

    {
      size_t itrk = trackPosition(originalTrack);
      return isTrack(itrk, T_TO_VERTEX);
    }
const bool reco::PFDisplacedVertex::isSecondaryTrack ( const reco::TrackBaseRef &  originalTrack) const [inline]

Is a secondary track was identified.

Definition at line 136 of file PFDisplacedVertex.h.

References isTrack(), T_FROM_VERTEX, and trackPosition().

    {
      size_t itrk = trackPosition(originalTrack);
      return isTrack(itrk, T_FROM_VERTEX);
    }
const bool PFDisplacedVertex::isThereKindTracks ( VertexTrackType  T) const [private]

--------- TOOLS -------------- ///

Common tool used to know if there are tracks of a given Kind

Definition at line 39 of file PFDisplacedVertex.cc.

References spr::find(), and trackTypes_.

Referenced by isThereMergedTracks(), isThereNotFromVertexTracks(), isTherePrimaryTracks(), isThereSecondaryTracks(), and primaryDirection().

                                                            {

  vector <VertexTrackType>::const_iterator iter = 
    find (trackTypes_.begin(), trackTypes_.end(), T);
  return (iter != trackTypes_.end()) ;      

}
const bool reco::PFDisplacedVertex::isThereMergedTracks ( ) const [inline]

If a merged track was identified.

Definition at line 114 of file PFDisplacedVertex.h.

References isThereKindTracks(), and T_MERGED.

Referenced by PF_PU_AssoMapAlgos::FindNIVertex(), and PFDisplacedVertexHelper::identifyVertex().

    {return isThereKindTracks(T_MERGED);}
const bool reco::PFDisplacedVertex::isThereNotFromVertexTracks ( ) const [inline]

If there is a track which was not identified.

Definition at line 122 of file PFDisplacedVertex.h.

References isThereKindTracks(), and T_NOT_FROM_VERTEX.

    {return isThereKindTracks(T_NOT_FROM_VERTEX);}
const bool reco::PFDisplacedVertex::isTherePrimaryTracks ( ) const [inline]

-------- Provide useful information -------- ///

If a primary track was identified

Definition at line 110 of file PFDisplacedVertex.h.

References isThereKindTracks(), and T_TO_VERTEX.

Referenced by PF_PU_AssoMapAlgos::FindNIVertex(), and PFDisplacedVertexHelper::identifyVertex().

    {return isThereKindTracks(T_TO_VERTEX);}
const bool reco::PFDisplacedVertex::isThereSecondaryTracks ( ) const [inline]

If a secondary track was identified.

Definition at line 118 of file PFDisplacedVertex.h.

References isThereKindTracks(), and T_FROM_VERTEX.

    {return isThereKindTracks(T_FROM_VERTEX);}
const bool reco::PFDisplacedVertex::isTrack ( size_t  itrk,
VertexTrackType  T 
) const [inline, private]

Definition at line 299 of file PFDisplacedVertex.h.

References trackTypes_.

Referenced by isIncomingTrack(), isMergedTrack(), isOutgoingTrack(), isPrimaryTrack(), and isSecondaryTrack().

                                                             {
      return  trackTypes_[itrk] == T;
    }
const math::XYZTLorentzVector reco::PFDisplacedVertex::momentum ( std::string  ,
VertexTrackType  ,
bool  ,
double  mass 
) const [private]

Common tool to calculate the momentum vector of tracks with a given Kind.

Referenced by calcKinematics(), momentum(), primaryMomentum(), and secondaryMomentum().

const math::XYZTLorentzVector PFDisplacedVertex::momentum ( M_Hypo  massHypo,
VertexTrackType  T,
bool  useRefitted,
double  mass 
) const [private]

Common tool to calculate the momentum vector of tracks with a given Kind.

Definition at line 130 of file PFDisplacedVertex.cc.

References getMass2(), i, momentum(), reco::Vertex::originalTrack(), P, p2, reco::Vertex::refittedTracks(), mathSSE::sqrt(), T_MERGED, T_TO_VERTEX, reco::Vertex::tracksSize(), trackTypes_, reco::Vertex::x(), reco::Vertex::y(), and reco::Vertex::z().

                                                                                                   {

  const double m2 = getMass2(massHypo, mass);



  math::XYZTLorentzVector P;

  for (size_t i = 0; i< tracksSize(); i++){
    bool bType = (trackTypes_[i]== T);
    if (T == T_TO_VERTEX || T == T_MERGED)
      bType =  (trackTypes_[i] == T_TO_VERTEX || trackTypes_[i] == T_MERGED);
 
    if ( bType ) {

      if (!useRefitted) {

        TrackBaseRef trackRef = originalTrack(refittedTracks()[i]);

        double p2 = trackRef->innerMomentum().Mag2();
        P += math::XYZTLorentzVector (trackRef->momentum().x(),
                                      trackRef->momentum().y(),
                                      trackRef->momentum().z(),
                                      sqrt(m2 + p2));
      } else {

        //      cout << "m2 " << m2 << endl; 

        double p2 = refittedTracks()[i].momentum().Mag2();
        P += math::XYZTLorentzVector (refittedTracks()[i].momentum().x(),
                                      refittedTracks()[i].momentum().y(),
                                      refittedTracks()[i].momentum().z(),
                                      sqrt(m2 + p2));


      }
    }
  }

  return P;    

}
std::string PFDisplacedVertex::nameVertexType ( ) const

Definition at line 88 of file PFDisplacedVertex.cc.

References ANY, BSM_VERTEX, CONVERSION, CONVERSION_LOOSE, CONVERTED_BREMM, FAKE, K0_DECAY, KMINUS_DECAY, KMINUS_DECAY_LOOSE, KPLUS_DECAY, KPLUS_DECAY_LOOSE, LAMBDA_DECAY, LAMBDABAR_DECAY, LOOPER, NUCL, NUCL_KINK, NUCL_LOOSE, and vertexType_.

                                        {
  switch (vertexType_){
  case ANY:   return "ANY";
  case FAKE:  return "FAKE";
  case LOOPER: return "LOOPER";
  case NUCL: return "NUCL";
  case NUCL_LOOSE: return "NUCL_LOOSE";
  case NUCL_KINK: return "NUCL_KINK";
  case CONVERSION: return "CONVERSION";
  case CONVERSION_LOOSE: return "CONVERSION_LOOSE";
  case CONVERTED_BREMM: return "CONVERTED_BREMM";
  case K0_DECAY: return "K0_DECAY";
  case LAMBDA_DECAY: return "LAMBDA_DECAY";
  case LAMBDABAR_DECAY: return "LAMBDABAR_DECAY";
  case KPLUS_DECAY: return "KPLUS_DECAY";
  case KMINUS_DECAY: return "KMINUS_DECAY";
  case KPLUS_DECAY_LOOSE: return "KPLUS_DECAY_LOOSE";
  case KMINUS_DECAY_LOOSE: return "KMINUS_DECAY_LOOSE";
  case BSM_VERTEX: return "BSM_VERTEX";
  default: return "?";
  }
  return "?";
}
const int PFDisplacedVertex::nKindTracks ( VertexTrackType  T) const [private]

Common tool used to get the number of tracks of a given Kind.

Definition at line 48 of file PFDisplacedVertex.cc.

References prof2calltree::count, and trackTypes_.

Referenced by nMergedTracks(), nNotFromVertexTracks(), nPrimaryTracks(), and nSecondaryTracks().

                                                      {

  return count ( trackTypes_.begin(), trackTypes_.end(), T);

}
const int reco::PFDisplacedVertex::nMergedTracks ( ) const [inline]

Number of merged tracks was identified.

Definition at line 176 of file PFDisplacedVertex.h.

References nKindTracks(), and T_MERGED.

    {return nKindTracks(T_MERGED);}
const int reco::PFDisplacedVertex::nNotFromVertexTracks ( ) const [inline]

Number of tracks which was not identified.

Definition at line 184 of file PFDisplacedVertex.h.

References nKindTracks(), and T_NOT_FROM_VERTEX.

    {return nKindTracks(T_NOT_FROM_VERTEX);}
const int reco::PFDisplacedVertex::nPrimaryTracks ( ) const [inline]

Number of primary tracks was identified.

Definition at line 172 of file PFDisplacedVertex.h.

References nKindTracks(), and T_TO_VERTEX.

    {return nKindTracks(T_TO_VERTEX);}
const int reco::PFDisplacedVertex::nSecondaryTracks ( ) const [inline]

Number of secondary tracks was identified.

Definition at line 180 of file PFDisplacedVertex.h.

References nKindTracks(), and T_FROM_VERTEX.

Referenced by PFDisplacedVertexHelper::identifyVertex().

    {return nKindTracks(T_FROM_VERTEX);}
const int reco::PFDisplacedVertex::nTracks ( ) const [inline]

Number of tracks.

Definition at line 188 of file PFDisplacedVertex.h.

References trackTypes_.

Referenced by PFDisplacedVertexHelper::identifyVertex().

{return trackTypes_.size();}
const math::XYZVector PFDisplacedVertex::primaryDirection ( ) const

Primary Direction.

Definition at line 202 of file PFDisplacedVertex.cc.

References alignCSCRings::e, isThereKindTracks(), primaryDirection_, primaryMomentum(), secondaryMomentum(), mathSSE::sqrt(), T_MERGED, and T_TO_VERTEX.

Referenced by angle_io().

                                           { 

  math::XYZTLorentzVector momentumPrim = primaryMomentum((string) "PI", true);
  math::XYZTLorentzVector momentumSec = secondaryMomentum((string) "PI", true);

  math::XYZVector p_in;

  if (( isThereKindTracks(T_TO_VERTEX) || isThereKindTracks(T_MERGED) ) &&
      momentumPrim.E() >  momentumSec.E()){
    p_in = momentumPrim.Vect()/sqrt(momentumPrim.Vect().Mag2()+1e-10);
  } else {
    p_in = primaryDirection_;
  }

  return p_in;
}
const math::XYZTLorentzVector reco::PFDisplacedVertex::primaryMomentum ( std::string  massHypo = "PI",
bool  useRefitted = true,
double  mass = 0.0 
) const [inline]

Momentum of primary or merged track calculated with a mass hypothesis.

Definition at line 202 of file PFDisplacedVertex.h.

References momentum(), and T_TO_VERTEX.

Referenced by PF_PU_AssoMapAlgos::FindNIVertex(), PFDisplacedVertexHelper::identifyVertex(), and primaryDirection().

      {return momentum(massHypo, T_TO_VERTEX, useRefitted, mass);}
const math::XYZTLorentzVector reco::PFDisplacedVertex::primaryMomentum ( M_Hypo  massHypo,
bool  useRefitted = true,
double  mass = 0.0 
) const [inline]

Momentum of primary or merged track calculated with a mass hypothesis.

Definition at line 218 of file PFDisplacedVertex.h.

References momentum(), and T_TO_VERTEX.

      {return momentum(massHypo, T_TO_VERTEX, useRefitted, mass);}
const double reco::PFDisplacedVertex::primaryPt ( ) const [inline]

Momentum of primary or merged track calculated with a mass hypothesis.

Definition at line 233 of file PFDisplacedVertex.h.

References defaultSecondaryMomentum_.

      {return defaultSecondaryMomentum_.Pt();}
const math::XYZTLorentzVector reco::PFDisplacedVertex::secondaryMomentum ( M_Hypo  massHypo,
bool  useRefitted = true,
double  mass = 0.0 
) const [inline]

Momentum of secondary tracks calculated with a mass hypothesis. Some of those hypothesis are default: "PI" , "KAON", "LAMBDA", "MASSLESS", "CUSTOM" the value of custom shall be then provided in mass variable

Definition at line 212 of file PFDisplacedVertex.h.

References momentum(), and T_FROM_VERTEX.

      {return momentum(massHypo, T_FROM_VERTEX, useRefitted, mass);}
const math::XYZTLorentzVector reco::PFDisplacedVertex::secondaryMomentum ( std::string  massHypo = "PI",
bool  useRefitted = true,
double  mass = 0.0 
) const [inline]

Momentum of secondary tracks calculated with a mass hypothesis. Some of those hypothesis are default: "PI" , "KAON", "LAMBDA", "MASSLESS", "CUSTOM" the value of custom shall be then provided in mass variable

Definition at line 196 of file PFDisplacedVertex.h.

References momentum(), and T_FROM_VERTEX.

Referenced by angle_io(), PFDisplacedVertexHelper::identifyVertex(), and primaryDirection().

      {return momentum(massHypo, T_FROM_VERTEX, useRefitted, mass);}
const double reco::PFDisplacedVertex::secondaryPt ( ) const [inline]

Definition at line 229 of file PFDisplacedVertex.h.

References defaultPrimaryMomentum_.

      {return defaultPrimaryMomentum_.Pt();}
void PFDisplacedVertex::setPrimaryDirection ( const math::XYZPoint &  pvtx)

Estimate the direction of the vertex. This function produced a unitary vector. It is calculated the axis linking the primary vertex of the event pvtx to this vertex

Definition at line 78 of file PFDisplacedVertex.cc.

References alignCSCRings::e, reco::Vertex::position(), primaryDirection_, mathSSE::sqrt(), reco::Vertex::x(), reco::Vertex::y(), and reco::Vertex::z().

Referenced by PFDisplacedVertexFinder::fitVertexFromSeed().

                                                              {
  primaryDirection_ = math::XYZVector(position().x(), position().y(), position().z()); 
  math::XYZVector vtx(pvtx.x(), pvtx.y(), pvtx.z());

  primaryDirection_  = primaryDirection_ - vtx;
  primaryDirection_ /= (sqrt(primaryDirection_.Mag2())+1e-10);
}
void reco::PFDisplacedVertex::setVertexType ( VertexType  vertexType) [inline]

Set the type of this vertex.

Definition at line 91 of file PFDisplacedVertex.h.

References vertexType(), and vertexType_.

Referenced by PFDisplacedVertexFinder::rejectAndLabelVertex().

{vertexType_ = vertexType;}
const int PFDisplacedVertex::totalCharge ( ) const

Total Charge.

Definition at line 175 of file PFDisplacedVertex.cc.

References DeDxDiscriminatorTools::charge(), i, reco::Vertex::refittedTracks(), T_FROM_VERTEX, T_TO_VERTEX, reco::Vertex::tracksSize(), and trackTypes_.

                                     {
  
  int charge = 0;

  for (size_t i = 0; i< tracksSize(); i++){
    if(trackTypes_[i] == T_TO_VERTEX) charge +=  refittedTracks()[i].charge();  
    else if(trackTypes_[i] == T_FROM_VERTEX) charge -=  refittedTracks()[i].charge();  
  }

  return charge;
}
const PFTrackHitFullInfo reco::PFDisplacedVertex::trackHitFullInfo ( const reco::TrackBaseRef &  originalTrack) const [inline]

Definition at line 149 of file PFDisplacedVertex.h.

References trackHitFullInfos_, and trackPosition().

                                                                                          {
      size_t itrk = trackPosition(originalTrack);
      return trackHitFullInfos_[itrk];
    }
const std::vector< PFTrackHitFullInfo > reco::PFDisplacedVertex::trackHitFullInfos ( ) const [inline]

Definition at line 100 of file PFDisplacedVertex.h.

References trackHitFullInfos_.

      {return trackHitFullInfos_;}
const size_t PFDisplacedVertex::trackPosition ( const reco::TrackBaseRef &  originalTrack) const [private]

Definition at line 56 of file PFDisplacedVertex.cc.

References alignCSCRings::e, i, pos, reco::TrackBase::pt(), reco::Vertex::refittedTrack(), and reco::Vertex::refittedTracks().

Referenced by isIncomingTrack(), isMergedTrack(), isOutgoingTrack(), isPrimaryTrack(), isSecondaryTrack(), and trackHitFullInfo().

                                                                            {

  size_t pos = -1;
  
  const Track refittedTrack = PFDisplacedVertex::refittedTrack(originalTrack);

  std::vector<Track> refitTrks = refittedTracks();
  for (size_t i = 0; i < refitTrks.size(); i++){
    if ( fabs(refitTrks[i].pt() - refittedTrack.pt()) < 1.e-5 ){
      pos = i;
      continue;
    }
    
  }
  //  cout << "pos = " << pos << endl;

  return pos;

}
const std::vector<VertexTrackType> reco::PFDisplacedVertex::trackTypes ( ) const [inline]

Definition at line 103 of file PFDisplacedVertex.h.

References trackTypes_.

Referenced by PFDisplacedVertexHelper::isKaonMass().

      {return trackTypes_;}
VertexType reco::PFDisplacedVertex::vertexType ( ) [inline]

Get the type of this vertex.

Definition at line 98 of file PFDisplacedVertex.h.

References vertexType_.

Referenced by setVertexType().

{return vertexType_;}

Member Data Documentation

math::XYZTLorentzVector reco::PFDisplacedVertex::defaultPrimaryMomentum_ [private]

Definition at line 317 of file PFDisplacedVertex.h.

Referenced by calcKinematics(), and secondaryPt().

math::XYZTLorentzVector reco::PFDisplacedVertex::defaultSecondaryMomentum_ [private]

Definition at line 318 of file PFDisplacedVertex.h.

Referenced by calcKinematics(), and primaryPt().

math::XYZVector reco::PFDisplacedVertex::primaryDirection_ [private]

Definition at line 315 of file PFDisplacedVertex.h.

Referenced by primaryDirection(), and setPrimaryDirection().

std::vector< PFTrackHitFullInfo > reco::PFDisplacedVertex::trackHitFullInfos_ [private]

Information on the distance between track's hits and the Vertex.

Definition at line 313 of file PFDisplacedVertex.h.

Referenced by addElement(), cleanTracks(), trackHitFullInfo(), and trackHitFullInfos().

std::vector< VertexTrackType > reco::PFDisplacedVertex::trackTypes_ [private]

Types of the tracks associated to the vertex.

Definition at line 310 of file PFDisplacedVertex.h.

Referenced by addElement(), cleanTracks(), isThereKindTracks(), isTrack(), momentum(), nKindTracks(), nTracks(), totalCharge(), and trackTypes().

VertexType reco::PFDisplacedVertex::vertexType_ [private]

-------- MEMBERS -------- ///

This vertex type

Definition at line 307 of file PFDisplacedVertex.h.

Referenced by isBSM(), isConv(), isConv_Loose(), isConvertedBremm(), isFake(), isK0(), isKminus(), isKminus_Loose(), isKplus(), isKplus_Loose(), isLambda(), isLambdaBar(), isLooper(), isNucl(), isNucl_Kink(), isNucl_Loose(), nameVertexType(), setVertexType(), and vertexType().

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