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259c3296 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
50685501 | 15 | // |
16 | // QA class of primary vertex study for Heavy Flavor electrons | |
9bcfd1ab | 17 | // this has functionality to reject electrons from primary vertex |
18 | // and check primary vertex characteristics | |
50685501 | 19 | // |
259c3296 | 20 | |
75d81601 | 21 | #ifndef ALIHFEPRIVTX_H |
22 | #define ALIHFEPRIVTX_H | |
259c3296 | 23 | |
24 | #ifndef ROOT_TObject | |
75d81601 | 25 | //#include <TObject.h> |
259c3296 | 26 | #endif |
27 | ||
28 | class TH1F; | |
29 | class TH1I; | |
30 | class TH2F; | |
31 | class TString; | |
32 | class AliESDEvent; | |
33 | class AliESDtrack; | |
34 | class AliStack; | |
35 | ||
36 | //________________________________________________________________ | |
37 | class AliHFEpriVtx : public TObject { | |
38 | ||
39 | public: | |
40 | AliHFEpriVtx(); | |
41 | AliHFEpriVtx(const AliHFEpriVtx &p); // copy constructor | |
42 | AliHFEpriVtx &operator=(const AliHFEpriVtx &); // assignment operator | |
43 | virtual ~AliHFEpriVtx(); | |
44 | ||
259c3296 | 45 | void CreateHistograms(TString hnopt=""); // create histograms |
259c3296 | 46 | void Init(); |
50685501 | 47 | void SetEvent(AliESDEvent * const ESD){fESD1=ESD;}; // set ESD pointer |
48 | void SetStack(AliStack * const stack){fStack=stack;} // set stack pointer | |
259c3296 | 49 | void CountNtracks(Int_t sourcePart, Int_t recpid, Double_t recprob); // count number of tracks passed certain cut |
50 | void FillNtracks(); // fill counted number of tracks | |
51 | void CountPriVxtElecContributor(AliESDtrack *ESDelectron, Int_t sourcePart, Int_t recpid, Double_t recprob); | |
52 | void GetNPriVxtContributor(); | |
75d81601 | 53 | void FillNprimVtxContributor() const; |
70da6c5a | 54 | Double_t GetDistanceFromRecalVertexXY(AliESDtrack *ESDelectron); |
259c3296 | 55 | |
56 | Int_t GetMCPID(AliESDtrack *track); // return mc pid | |
57 | ||
58 | private: | |
59 | ||
60 | AliESDEvent* fESD1; // ESD event | |
61 | AliStack* fStack; // MC Stack | |
62 | ||
63 | TString fkSourceLabel[10]; // storing source label | |
64 | ||
65 | enum kSources {kAll, kDirectCharm, kDirectBeauty, kBeautyCharm, kGamma, kPi0, kElse, kBeautyGamma, kBeautyPi0, kBeautyElse}; | |
66 | ||
75d81601 | 67 | struct AliHists{ |
259c3296 | 68 | TH1F *fNtracks; // histogram to fill number of counted tracks for different sources |
69 | TH1F *fNprimVtxContributor; // histogram to fill number of tracks contributing primary vertex | |
70 | TH1F *fPtElec; // histogram to fill pt of electron tracks | |
71 | TH1F *fPtElecContributor; // histogram to fill pt of electron tracks contributing primary vertex | |
72 | Int_t fNtrackCount; // number of counted track | |
73 | Int_t fNprimVtxContributorCount; // number of tracks contributing primary vertex | |
259c3296 | 74 | |
75d81601 | 75 | AliHists() |
76 | : fNtracks() | |
77 | , fNprimVtxContributor() | |
78 | , fPtElec() | |
79 | , fPtElecContributor() | |
80 | , fNtrackCount(0) | |
81 | , fNprimVtxContributorCount(0) | |
82 | { | |
83 | // default constructor | |
84 | } | |
85 | ||
86 | AliHists(const AliHists & p) | |
87 | : fNtracks(p.fNtracks) | |
88 | , fNprimVtxContributor(p.fNprimVtxContributor) | |
89 | , fPtElec(p.fPtElec) | |
90 | , fPtElecContributor(p.fPtElecContributor) | |
91 | , fNtrackCount(p.fNtrackCount) | |
92 | , fNprimVtxContributorCount(p.fNprimVtxContributorCount) | |
93 | { | |
94 | // copy constructor | |
95 | } | |
96 | AliHists &operator=(const AliHists &) | |
97 | { | |
98 | // assignment operator, not yet implemented | |
99 | return *this; | |
100 | } | |
101 | }; | |
102 | AliHists fPrimVtx[10]; // define structure of histograms | |
259c3296 | 103 | |
104 | Int_t fNtrackswoPid; // number of track counted | |
105 | TH1F *fHNtrackswoPid; // histogram to fill number of track counted | |
106 | TH1I *fNESDprimVtxContributor; // histogram to fill number of primary vertex contributor for given event | |
107 | TH1I *fNESDprimVtxIndices; // histogram to fill number of primary vertex indices for given event | |
108 | TH2F *fDiffDCAvsPt; // histogram to fill DCA difference as a function of pT | |
109 | TH2F *fDiffDCAvsNt; // histogram to fill DCA difference as a function of pT | |
110 | ||
111 | ||
dbe3abbe | 112 | ClassDef(AliHFEpriVtx,0); |
259c3296 | 113 | }; |
114 | ||
115 | #endif |