//-------------------------------------------------------------------------
// AOD vertex base class
// Author: Markus Oldenburg, CERN
+// Inheritance from AliVVertex: A. Dainese
//-------------------------------------------------------------------------
-#include <TNamed.h>
#include <TRef.h>
#include <TRefArray.h>
#include <TMath.h>
+#include "AliVVertex.h"
#include "AliAODRedCov.h"
+#include "AliLog.h"
-class AliAODVertex : public TObject {
+class AliAODVertex : public AliVVertex {
public :
AliAODVertex();
AliAODVertex(const Double_t *position,
const Double_t *covMatrix=0x0,
- Double_t chi2 = -999.,
+ Double_t chi2perNDF = -999.,
TObject *parent = 0x0,
- Char_t vtype=kUndef);
- AliAODVertex(const Float_t *position,
- const Float_t *covMatrix=0x0,
- Double_t chi2 = -999.,
- TObject *parent = 0x0,
- Char_t vtype=kUndef);
+ Short_t id=-1,
+ Char_t vtype=kUndef,
+ Int_t nprong = 0);
+ AliAODVertex(const Float_t *position,
+ const Float_t *covMatrix=0x0,
+ Double_t chi2perNDF = -999.,
+ TObject *parent = 0x0,
+ Short_t id=-1,
+ Char_t vtype=kUndef,
+ Int_t nprong = 0);
AliAODVertex(const Double_t *position,
- Double_t chi2,
- Char_t vtype=kUndef);
+ Double_t chi2perNDF,
+ Char_t vtype=kUndef,
+ Int_t nprong = 0);
AliAODVertex(const Float_t *position,
- Double_t chi2,
- Char_t vtype=kUndef);
+ Double_t chi2perNDF,
+ Char_t vtype=kUndef,
+ Int_t nprong = 0);
virtual ~AliAODVertex();
AliAODVertex(const AliAODVertex& vtx);
template <class T> void SetPosition(T *pos)
{ fPosition[0] = pos[0]; fPosition[1] = pos[1]; fPosition[2] = pos[2]; }
- void SetChi2(Double_t chi2) { fChi2 = chi2; }
+ void SetChi2perNDF(Double_t chi2perNDF) { fChi2perNDF = chi2perNDF; }
void SetParent(TObject *parent) { fParent = parent; }
- Double_t GetX() const { return fPosition[0]; }
- Double_t GetY() const { return fPosition[1]; }
- Double_t GetZ() const { return fPosition[2]; }
+ Double_t GetX() const { return fPosition[0]; }
+ Double_t GetY() const { return fPosition[1]; }
+ Double_t GetZ() const { return fPosition[2]; }
+ void GetXYZ(Double_t position[3]) const
+ {position[0]=fPosition[0]; position[1]=fPosition[1]; position[2]=fPosition[2];}
template <class T> void GetPosition(T *pos) const
{pos[0]=fPosition[0]; pos[1]=fPosition[1]; pos[2]=fPosition[2];}
if(!fCovMatrix) return kFALSE;
fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;}
+ void GetCovarianceMatrix(Double_t covmatrix[6]) const
+ {GetCovMatrix(covmatrix);}
void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;}
template <class T> void GetSigmaXYZ(T *sigma) const;
- Double_t GetChi2() const { return fChi2; }
- Double_t GetChi2perNDF() const
- { return fChi2/(2.*fDaughters.GetEntriesFast()-3.); }
+ Double_t GetChi2perNDF() const { return fChi2perNDF; }
+ Double_t GetChi2() const { return fChi2perNDF*(Double_t)GetNDF(); }
+ Int_t GetNDF() const { return 2*GetNContributors()-3; }
- Char_t GetVtxType() const { return fType; }
- void SetVtxType(Char_t vtype) { fType=vtype; }
+ Short_t GetID() const { return fID; }
+ void SetID(Short_t id) { fID=id; }
+
+ Char_t GetType() const { return fType; }
+ void SetType(AODVtx_t vtype) { fType=vtype; }
TObject* GetParent() const { return fParent.GetObject(); }
Bool_t HasParent(TObject *parent) const { return (fParent.GetObject() == parent) ? kTRUE : kFALSE; }
- void AddDaughter(TObject *daughter) { fDaughters.Add(daughter);}
+ void AddDaughter(TObject *daughter);
void RemoveDaughter(TObject *daughter) { fDaughters.Remove(daughter); }
- TObject* GetDaughter(Int_t i) { return fDaughters.At(i); }
+ void RemoveDaughters() { fDaughters.Clear(); if(fProngs) {delete [] fProngs; fProngs=0; MakeProngs(); fIprong=0;} }
+ TObject* GetDaughter(Int_t i);
Bool_t HasDaughter(TObject *daughter) const;
- Int_t GetNDaughters() const { return fDaughters.GetEntriesFast(); }
+ Int_t GetNDaughters() const;
+ Int_t GetNContributors() const;
// covariance matrix elements after rotation by phi around z-axis
// and, then, by theta around new y-axis
void PrintIndices() const;
void Print(Option_t* option = "") const;
-
- private :
-
- Double32_t fPosition[3]; // vertex position
- Double32_t fChi2; // chi2 of vertex fit
- AliAODRedCov<3> *fCovMatrix; // vertex covariance matrix; values of and below the diagonal
- TRef fParent; // reference to the parent particle
- TRefArray fDaughters; // references to the daughter particles
- Char_t fType; // Vertex type
-
- ClassDef(AliAODVertex,1);
+ private:
+ void MakeProngs() {if (fNprong > 0) {fProngs = new TRef[fNprong]; fIprong=0;}}
+
+ private:
+
+ Double32_t fPosition[3]; // vertex position
+ Double32_t fChi2perNDF; // chi2/NDF of vertex fit
+ Short_t fID; // vertex ID; corresponds to the array index of the appropriate ESD container
+ Char_t fType; // vertex type
+ Int_t fNprong; // number of prongs
+ Int_t fIprong; //!index of prong
+ AliAODRedCov<3> *fCovMatrix; // vertex covariance matrix; values of and below the diagonal
+ TRef fParent; // reference to the parent particle
+ TRefArray fDaughters; // references to the daughter particles
+ TRef *fProngs; //[fNprong] alternative daughters for n-prong vertex
+
+ ClassDef(AliAODVertex, 5);
};
+inline Int_t AliAODVertex::GetNDaughters() const
+{
+ if (!fProngs) {
+ return fDaughters.GetEntriesFast();
+ } else {
+ return fNprong;
+ }
+}
+
+inline TObject* AliAODVertex::GetDaughter(Int_t i)
+{
+ if (!fProngs) {
+ return fDaughters.At(i);
+ } else {
+ if (i < fNprong) {
+ return fProngs[i].GetObject();
+ } else {
+ AliWarning("Daughter index out of range !\n");
+ return 0;
+ }
+ }
+}
+
#endif