]>
Commit | Line | Data |
---|---|---|
df9db588 | 1 | #ifndef AliAODVertex_H |
2 | #define AliAODVertex_H | |
3 | /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //------------------------------------------------------------------------- | |
9 | // AOD vertex base class | |
10 | // Author: Markus Oldenburg, CERN | |
bdd011d6 | 11 | // Inheritance from AliVVertex: A. Dainese |
df9db588 | 12 | //------------------------------------------------------------------------- |
13 | ||
df9db588 | 14 | #include <TRef.h> |
15 | #include <TRefArray.h> | |
16 | #include <TMath.h> | |
17 | ||
bdd011d6 | 18 | #include "AliVVertex.h" |
5d62ce04 | 19 | #include "AliAODRedCov.h" |
20 | ||
bdd011d6 | 21 | class AliAODVertex : public AliVVertex { |
df9db588 | 22 | |
23 | public : | |
24 | ||
25 | enum AODVtx_t {kUndef=-1, kPrimary, kKink, kV0, kCascade, kMulti}; | |
26 | ||
27 | AliAODVertex(); | |
28 | AliAODVertex(const Double_t *position, | |
29 | const Double_t *covMatrix=0x0, | |
0657f082 | 30 | Double_t chi2perNDF = -999., |
df9db588 | 31 | TObject *parent = 0x0, |
02153d58 | 32 | Short_t id=-1, |
33 | Char_t vtype=kUndef); | |
34 | AliAODVertex(const Float_t *position, | |
35 | const Float_t *covMatrix=0x0, | |
36 | Double_t chi2perNDF = -999., | |
37 | TObject *parent = 0x0, | |
38 | Short_t id=-1, | |
df9db588 | 39 | Char_t vtype=kUndef); |
df9db588 | 40 | AliAODVertex(const Double_t *position, |
0657f082 | 41 | Double_t chi2perNDF, |
df9db588 | 42 | Char_t vtype=kUndef); |
43 | AliAODVertex(const Float_t *position, | |
0657f082 | 44 | Double_t chi2perNDF, |
df9db588 | 45 | Char_t vtype=kUndef); |
46 | ||
47 | virtual ~AliAODVertex(); | |
48 | AliAODVertex(const AliAODVertex& vtx); | |
49 | AliAODVertex& operator=(const AliAODVertex& vtx); | |
50 | ||
51 | void SetX(Double_t x) { fPosition[0] = x; } | |
52 | void SetY(Double_t y) { fPosition[1] = y; } | |
53 | void SetZ(Double_t z) { fPosition[2] = z; } | |
54 | void SetPosition(Double_t x, Double_t y, Double_t z) { fPosition[0] = x; fPosition[1] = y; fPosition[2] = z; } | |
55 | template <class T> void SetPosition(T *pos) | |
56 | { fPosition[0] = pos[0]; fPosition[1] = pos[1]; fPosition[2] = pos[2]; } | |
57 | ||
0657f082 | 58 | void SetChi2perNDF(Double_t chi2perNDF) { fChi2perNDF = chi2perNDF; } |
df9db588 | 59 | |
60 | void SetParent(TObject *parent) { fParent = parent; } | |
61 | ||
0b0bfa4e | 62 | Double_t GetX() const { return fPosition[0]; } |
63 | Double_t GetY() const { return fPosition[1]; } | |
64 | Double_t GetZ() const { return fPosition[2]; } | |
bdd011d6 | 65 | void GetXYZ(Double_t position[3]) const |
66 | {position[0]=fPosition[0]; position[1]=fPosition[1]; position[2]=fPosition[2];} | |
9f7c531f | 67 | template <class T> void GetPosition(T *pos) const |
68 | {pos[0]=fPosition[0]; pos[1]=fPosition[1]; pos[2]=fPosition[2];} | |
df9db588 | 69 | |
70 | template <class T> void SetCovMatrix(const T *covMatrix) { | |
5d62ce04 | 71 | if(!fCovMatrix) fCovMatrix=new AliAODRedCov<3>(); |
df9db588 | 72 | fCovMatrix->SetCovMatrix(covMatrix);} |
73 | ||
74 | template <class T> Bool_t GetCovMatrix(T *covMatrix) const { | |
75 | if(!fCovMatrix) return kFALSE; | |
76 | fCovMatrix->GetCovMatrix(covMatrix); return kTRUE;} | |
77 | ||
bdd011d6 | 78 | void GetCovarianceMatrix(Double_t covmatrix[6]) const |
79 | {GetCovMatrix(covmatrix);} | |
df9db588 | 80 | void RemoveCovMatrix() {delete fCovMatrix; fCovMatrix=NULL;} |
81 | ||
82 | template <class T> void GetSigmaXYZ(T *sigma) const; | |
83 | ||
0b0bfa4e | 84 | Double_t GetChi2perNDF() const { return fChi2perNDF; } |
85 | Double_t GetChi2() const { return fChi2perNDF*(Double_t)GetNDF(); } | |
86 | Int_t GetNDF() const { return 2*GetNContributors()-3; } | |
df9db588 | 87 | |
02153d58 | 88 | Short_t GetID() const { return fID; } |
89 | void SetID(Short_t id) { fID=id; } | |
90 | ||
0b0bfa4e | 91 | Char_t GetType() const { return fType; } |
92 | void SetType(AODVtx_t vtype) { fType=vtype; } | |
df9db588 | 93 | |
94 | TObject* GetParent() const { return fParent.GetObject(); } | |
95 | Bool_t HasParent(TObject *parent) const { return (fParent.GetObject() == parent) ? kTRUE : kFALSE; } | |
96 | ||
97 | void AddDaughter(TObject *daughter) { fDaughters.Add(daughter);} | |
98 | void RemoveDaughter(TObject *daughter) { fDaughters.Remove(daughter); } | |
6e46fc6d | 99 | void RemoveDaughters() { fDaughters.Clear(); } |
1a3f462b | 100 | TObject* GetDaughter(Int_t i) { return fDaughters.At(i); } |
df9db588 | 101 | Bool_t HasDaughter(TObject *daughter) const; |
5c2fdfa2 | 102 | Int_t GetNDaughters() const { return fDaughters.GetEntriesFast(); } |
0657f082 | 103 | Int_t GetNContributors() const; |
df9db588 | 104 | |
105 | // covariance matrix elements after rotation by phi around z-axis | |
106 | // and, then, by theta around new y-axis | |
107 | Double_t RotatedCovMatrixXX(Double_t phi = 0., Double_t theta = 0.) const; | |
108 | Double_t RotatedCovMatrixXY(Double_t phi = 0., Double_t theta = 0.) const; | |
109 | Double_t RotatedCovMatrixYY(Double_t phi = 0.) const; | |
110 | Double_t RotatedCovMatrixXZ(Double_t phi = 0., Double_t theta = 0.) const; | |
111 | Double_t RotatedCovMatrixYZ(Double_t phi = 0., Double_t theta = 0.) const; | |
112 | Double_t RotatedCovMatrixZZ(Double_t phi = 0., Double_t theta = 0.) const; | |
113 | ||
114 | template <class T, class P> void PhiAndThetaToVertex(AliAODVertex *vtx, P &phi, T &theta) const; | |
115 | Double_t DistanceToVertex(AliAODVertex *vtx) const; | |
116 | Double_t ErrorDistanceToVertex(AliAODVertex *vtx) const; | |
117 | Double_t DistanceXYToVertex(AliAODVertex *vtx) const; | |
118 | Double_t ErrorDistanceXYToVertex(AliAODVertex *vtx) const; | |
119 | ||
120 | void PrintIndices() const; | |
121 | void Print(Option_t* option = "") const; | |
122 | ||
df9db588 | 123 | private : |
124 | ||
9333290e | 125 | Double32_t fPosition[3]; // vertex position |
126 | Double32_t fChi2perNDF; // chi2/NDF of vertex fit | |
02153d58 | 127 | Short_t fID; // vertex ID; corresponds to the array index of the appropriate ESD container |
128 | Char_t fType; // vertex type | |
9333290e | 129 | |
130 | AliAODRedCov<3> *fCovMatrix; // vertex covariance matrix; values of and below the diagonal | |
131 | TRef fParent; // reference to the parent particle | |
132 | TRefArray fDaughters; // references to the daughter particles | |
133 | ||
bdd011d6 | 134 | ClassDef(AliAODVertex,4); |
df9db588 | 135 | }; |
136 | ||
df9db588 | 137 | #endif |