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class AliESDVertex: public AliVertex

           Implementation of the Primary Vertex class
           for the Event Data Summary class
           This class contains the Primary Vertex
           of the event coming from reconstruction
 Origin: A.Dainese, andrea.dainese@lnl.infn.it

Function Members (Methods)

public:
AliESDVertex()
AliESDVertex(const AliESDVertex& source)
AliESDVertex(Double_t* position, Double_t* sigma, const Char_t* vtxName = "Vertex")
AliESDVertex(Double_t positionZ, Double_t sigmaZ, Int_t nContributors, const Char_t* vtxName = "Vertex")
AliESDVertex(Double_t* position, Double_t* sigma, Double_t* snr, const Char_t* vtxName = "Vertex")
AliESDVertex(Double_t* position, Double_t* covmatrix, Double_t chi2, Int_t nContributors, const Char_t* vtxName = "Vertex")
virtual~AliESDVertex()
voidTObject::AbstractMethod(const char* method) const
voidAliVertex::AddJet(AliJet& j, Int_t tracks = 1)
voidAliVertex::AddJet(AliJet* j, Int_t tracks = 1)
voidAliVertex::AddVertex(AliVertex& v, Int_t connect = 1)
voidAliVertex::AddVertex(AliVertex* v, Int_t connect = 1)
virtual voidTObject::AppendPad(Option_t* option = "")
virtual voidTObject::Browse(TBrowser* b)
static TClass*Class()
virtual const char*TObject::ClassName() const
virtual voidAliVertex::Clear(Option_t* option = "")
virtual TObject*AliVertex::Clone(const char* name = "") const
virtual Int_tTNamed::Compare(const TObject* obj) const
virtual voidCopy(TObject& obj) const
virtual voidAliVertex::Data(TString f = "car", TString u = "rad")
virtual voidTObject::Delete(Option_t* option = "")MENU
virtual Int_tTObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual voidAliVertex::Draw(Option_t*)
virtual voidAliVertex::Draw(Int_t secs, Int_t cons = 1, Int_t jets = 0)
virtual voidTObject::DrawClass() constMENU
virtual TObject*TObject::DrawClone(Option_t* option = "") constMENU
virtual voidTObject::Dump() constMENU
virtual voidTObject::Error(const char* method, const char* msgfmt) const
virtual voidTObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual voidTObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual voidTObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual voidTObject::Fatal(const char* method, const char* msgfmt) const
virtual voidTNamed::FillBuffer(char*& buffer)
virtual TObject*TObject::FindObject(const char* name) const
virtual TObject*TObject::FindObject(const TObject* obj) const
virtual Double_tGetChi2() const
virtual Double_tGetChi2perNDF() const
Double_tGetChi2toNDF() const
virtual voidGetCovarianceMatrix(Double_t* covmatrix) const
voidGetCovMatrix(Double_t* covmatrix) const
virtual Double_tAliVertex::GetDispersion() const
virtual Option_t*TObject::GetDrawOption() const
static Long_tTObject::GetDtorOnly()
virtual const char*TObject::GetIconName() const
Char_tGetID() const
AliJet*AliVertex::GetIdJet(Int_t id) const
AliVertex*AliVertex::GetIdVertex(Int_t id) const
virtual UShort_t*AliVertex::GetIndices() const
AliJet*AliVertex::GetJet(Int_t i) const
Int_tAliVertex::GetJetCopy() const
virtual const char*TNamed::GetName() const
virtual Int_tAliVertex::GetNContributors() const
virtual Int_tGetNDF() const
virtual Int_tAliVertex::GetNIndices() const
Int_tAliVertex::GetNjets() const
Int_tAliVertex::GetNvertices() const
virtual char*TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_tTObject::GetObjectStat()
virtual Option_t*TObject::GetOption() const
voidGetSigmaXYZ(Double_t* sigma) const
voidGetSNR(Double_t* snr) const
virtual Bool_tAliVertex::GetStatus() const
virtual const char*TNamed::GetTitle() const
virtual UInt_tTObject::GetUniqueID() const
AliVertex*AliVertex::GetVertex(Int_t i) const
Int_tAliVertex::GetVertexCopy() const
virtual Double_tAliVertex::GetX() const
Double_tGetXRes() const
Double_tGetXSNR() const
virtual Double_tAliVertex::GetXv() const
virtual voidAliVertex::GetXYZ(Double_t* position) const
virtual Double_tAliVertex::GetY() const
Double_tGetYRes() const
Double_tGetYSNR() const
virtual Double_tAliVertex::GetYv() const
virtual Double_tAliVertex::GetZ() const
Double_tGetZRes() const
Double_tGetZSNR() const
virtual Double_tAliVertex::GetZv() const
virtual Bool_tTObject::HandleTimer(TTimer* timer)
virtual ULong_tTNamed::Hash() const
virtual voidTObject::Info(const char* method, const char* msgfmt) const
virtual Bool_tTObject::InheritsFrom(const char* classname) const
virtual Bool_tTObject::InheritsFrom(const TClass* cl) const
virtual voidTObject::Inspect() constMENU
voidTObject::InvertBit(UInt_t f)
virtual TClass*IsA() const
Int_tAliVertex::IsConnectTrack(AliTrack* t) const
virtual Bool_tTObject::IsEqual(const TObject* obj) const
virtual Bool_tTObject::IsFolder() const
virtual Bool_tAliVertex::IsFromVertexer3D() const
virtual Bool_tAliVertex::IsFromVertexerZ() const
Int_tAliVertex::IsJetTrack(AliTrack* t) const
Bool_tTObject::IsOnHeap() const
virtual Bool_tTNamed::IsSortable() const
Bool_tTObject::IsZombie() const
virtual voidAliVertex::List(TString f = "car", TString u = "rad")
virtual voidAliVertex::ListAll(TString f = "car", TString u = "rad")
virtual voidTNamed::ls(Option_t* option = "") const
voidTObject::MayNotUse(const char* method) const
virtual Bool_tTObject::Notify()
static voidTObject::operator delete(void* ptr)
static voidTObject::operator delete(void* ptr, void* vp)
static voidTObject::operator delete[](void* ptr)
static voidTObject::operator delete[](void* ptr, void* vp)
void*TObject::operator new(size_t sz)
void*TObject::operator new(size_t sz, void* vp)
void*TObject::operator new[](size_t sz)
void*TObject::operator new[](size_t sz, void* vp)
AliESDVertex&operator=(const AliESDVertex& source)
virtual voidTObject::Paint(Option_t* option = "")
virtual voidTObject::Pop()
virtual voidPrint(Option_t* option = "") const
virtual voidAliVertex::PrintIndices() const
voidPrintStatus() const
virtual Int_tTObject::Read(const char* name)
virtual voidTObject::RecursiveRemove(TObject* obj)
voidReset()
voidTObject::ResetBit(UInt_t f)
voidAliVertex::ResetVertices()
virtual voidTObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual voidTObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")
voidTObject::SetBit(UInt_t f)
voidTObject::SetBit(UInt_t f, Bool_t set)
virtual voidAliVertex::SetDispersion(Double_t disp)
virtual voidTObject::SetDrawOption(Option_t* option = "")MENU
static voidTObject::SetDtorOnly(void* obj)
voidSetID(Char_t id)
virtual voidAliVertex::SetIndices(Int_t nindices, UShort_t* indices)
voidAliVertex::SetJetCopy(Int_t j)
virtual voidTNamed::SetName(const char* name)MENU
virtual voidTNamed::SetNameTitle(const char* name, const char* title)
virtual voidAliVertex::SetNContributors(Int_t nContr)
voidAliVertex::SetNjmax(Int_t n = 2)
voidAliVertex::SetNvmax(Int_t n = 2)
static voidTObject::SetObjectStat(Bool_t stat)
virtual voidAliVertex::SetOwner(Bool_t own = kTRUE)
virtual voidTNamed::SetTitle(const char* title = "")MENU
virtual voidTObject::SetUniqueID(UInt_t uid)
voidAliVertex::SetVertexCopy(Int_t j)
virtual voidAliVertex::SetXv(Double_t xVert)
virtual voidAliVertex::SetXYZ(Double_t* pos)
virtual voidAliVertex::SetYv(Double_t yVert)
virtual voidAliVertex::SetZv(Double_t zVert)
virtual voidShowMembers(TMemberInspector& insp)
virtual Int_tTNamed::Sizeof() const
TObjArray*AliVertex::SortJets(Int_t mode = -1, TObjArray* jets = 0)
virtual voidStreamer(TBuffer& b)
voidStreamerNVirtual(TBuffer& b)
virtual voidTObject::SysError(const char* method, const char* msgfmt) const
Bool_tTObject::TestBit(UInt_t f) const
Int_tTObject::TestBits(UInt_t f) const
virtual voidTObject::UseCurrentStyle()
virtual Bool_tAliVertex::UsesTrack(Int_t index) const
virtual voidTObject::Warning(const char* method, const char* msgfmt) const
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
protected:
virtual voidTObject::DoError(int level, const char* location, const char* fmt, va_list va) const
voidAliVertex::Init()
voidTObject::MakeZombie()
private:
voidSetToZero()

Data Members

protected:
Double32_tfChi2chi2 of vertex fit
TObjArray*AliVertex::fConnectsArray to hold the pointers to the auto-generated connecting tracks
Double32_tfCovXX
Double32_tfCovXY
Double32_tfCovXZ
Double32_tfCovYY
Double32_tfCovYZ
Double32_tfCovZZvertex covariance matrix
Char_tfIDID of this vertex within an ESD event
UShort_t*AliVertex::fIndices[fNIndices] indices of tracks used for vertex
Int_tAliVertex::fJetCopyFlag to denote creation of private copies in fJets
TObjArray*AliVertex::fJetTracksArray to hold the pointers to tracks introduced by jet addition
TObjArray*AliVertex::fJetsArray to hold the pointers to the jets
TObjArray*AliVertex::fLines! Array to (temporarily) store the 3D lines for the event display
Int_tAliVertex::fNContributors# of tracklets/tracks used for the estimate
Int_tAliVertex::fNIndices# of indices
TStringTNamed::fNameobject identifier
Int_tAliVertex::fNjetsThe number of jets
Int_tAliVertex::fNjmaxThe maximum number of jets
Int_tAliVertex::fNvmaxThe maximum number of (secondary) vertices
Int_tAliVertex::fNvtxThe number of (secondary) vertices
Double32_tAliVertex::fPosition[3]vertex position
Double32_tfSNR[3]S/N ratio
Double32_tAliVertex::fSigmatrack dispersion around found vertex
TStringTNamed::fTitleobject title
Int_tAliVertex::fVertexCopyFlag to denote creation of private copies in fVertices
TObjArray*AliVertex::fVerticesArray to hold the pointers to the (secondary) vertices

Class Charts

Inheritance Chart:
TNamed
←
AliVVertex
←
AliVertex
←
AliESDVertex
←
AliMeanVertex

Function documentation

AliESDVertex()
 Default Constructor, set everything to 0
AliESDVertex(Double_t positionZ, Double_t sigmaZ, Int_t nContributors, const Char_t* vtxName = "Vertex")
 Constructor for vertex Z from pixels
AliESDVertex(Double_t* position, Double_t* covmatrix, Double_t chi2, Int_t nContributors, const Char_t* vtxName = "Vertex")
 Constructor for vertex in 3D from tracks
AliESDVertex(Double_t* position, Double_t* sigma, const Char_t* vtxName = "Vertex")
 Constructor for smearing of true position
AliESDVertex(Double_t positionZ, Double_t sigmaZ, Int_t nContributors, const Char_t* vtxName = "Vertex")
 Constructor for Pb-Pb
AliESDVertex(const AliESDVertex& source)
 Copy constructor
AliESDVertex & operator=(const AliESDVertex& source)
 assignment operator
void Copy(TObject& obj) const
void SetToZero()
 Set the content of arrays to 0. Used by constructors
void GetSigmaXYZ(Double_t* sigma) const
 Return errors on vertex position in thrust frame
void GetCovMatrix(Double_t* covmatrix) const
 Return covariance matrix of the vertex
void GetSNR(Double_t* snr) const
 Return S/N ratios
void Print(Option_t* option = "") const
 Print out information on all data members
virtual ~AliESDVertex()
{}
void GetCovarianceMatrix(Double_t* covmatrix) const
{GetCovMatrix(covmatrix);}
Double_t GetXRes() const
{return TMath::Sqrt(fCovXX);}
Double_t GetYRes() const
{return TMath::Sqrt(fCovYY);}
Double_t GetZRes() const
{return TMath::Sqrt(fCovZZ);}
Double_t GetXSNR() const
{ return fSNR[0]; }
Double_t GetYSNR() const
{ return fSNR[1]; }
Double_t GetZSNR() const
{ return fSNR[2]; }
Double_t GetChi2() const
{ return fChi2; }
Double_t GetChi2toNDF() const
{ return fChi2/(2.*(Double_t)fNContributors-3.); }
Double_t GetChi2perNDF() const
{ return GetChi2toNDF();}
Int_t GetNDF() const
{return (2*fNContributors-3);}
void PrintStatus() const
{Print();}
void Reset()
{ SetToZero(); SetName("Vertex"); }
void SetID(Char_t id)
{fID=id;}
Char_t GetID() const
{return fID;}