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1 | #ifndef ALIITSVERTEXER_H | |
2 | #define ALIITSVERTEXER_H | |
3 | ||
4 | #include<AliVertexer.h> | |
5 | #include "AliITSDetTypeRec.h" | |
6 | ||
7 | /////////////////////////////////////////////////////////////////// | |
8 | // // | |
9 | // Base class for primary vertex reconstruction for ITS // | |
10 | // // | |
11 | /////////////////////////////////////////////////////////////////// | |
12 | ||
13 | /* $Id$ */ | |
14 | ||
15 | class TString; | |
16 | ||
17 | class AliITSVertexer : public AliVertexer { | |
18 | ||
19 | public: | |
20 | // default constructor | |
21 | AliITSVertexer(); | |
22 | virtual ~AliITSVertexer(); | |
23 | virtual AliESDVertex *FindVertexForCurrentEvent(TTree *itsClusterTree)=0; | |
24 | virtual void PrintStatus() const = 0; | |
25 | ||
26 | virtual void ResetVertex(); | |
27 | void FindMultiplicity(TTree *itsClusterTree); | |
28 | void SetFirstEvent(Int_t ev){fFirstEvent = ev;} | |
29 | void SetLastEvent(Int_t ev){fLastEvent = ev;} | |
30 | static Float_t GetPipeRadius() {return fgkPipeRadius;} | |
31 | void SetLaddersOnLayer2(Int_t ladwid=4); | |
32 | void SetComputeMultiplicity(Bool_t opt=kTRUE){fComputeMultiplicity=opt;} | |
33 | virtual void SetUseModule(Int_t imod, Bool_t optUse){ | |
34 | if(imod>=0 && imod<kNSPDMod) fUseModule[imod]=optUse; | |
35 | } | |
36 | virtual Bool_t IsModuleUsed(Int_t imod) const { | |
37 | if(imod>=0 && imod<kNSPDMod) return fUseModule[imod]; | |
38 | else return 0; | |
39 | } | |
40 | ||
41 | virtual AliESDVertex* GetAllVertices(Int_t &novertices) const {novertices = fNoVertices; return fVertArray; } | |
42 | ||
43 | AliITSDetTypeRec *GetDetTypeRec() const {return fDetTypeRec;} | |
44 | virtual void SetDetTypeRec(AliITSDetTypeRec *ptr){fDetTypeRec = ptr;} | |
45 | enum{kNSPDMod=240}; | |
46 | ||
47 | // Methods containing run-loaders, should be moved to some other class | |
48 | void Init(TString filename); | |
49 | void WriteCurrentVertex(); | |
50 | void FindVertices(); | |
51 | ||
52 | Int_t GetMinTrackletsForPilup() const {return fMinTrackletsForPilup;} | |
53 | void SetMinTrackletsForPilup(Int_t mint=2) {fMinTrackletsForPilup=mint;} | |
54 | Bool_t IsPileup() const{return fIsPileup;} | |
55 | Float_t GetZPileupV() const { | |
56 | if(IsPileup()) return fZpuv; | |
57 | else return -9999999.; | |
58 | } | |
59 | Int_t GetNTrackletsPileupV() const { | |
60 | if(IsPileup()) return fNTrpuv; | |
61 | else return -2; | |
62 | } | |
63 | protected: | |
64 | static const Float_t fgkPipeRadius; // beam pipe radius (cm) | |
65 | UShort_t *fLadders; // array with layer1-layer2 ladders correspondances | |
66 | Int_t fLadOnLay2; // (2*fLadOnLay2+1)=number of layer2 ladders | |
67 | // associated to a layer1 ladder | |
68 | Bool_t fComputeMultiplicity; // flag to switch on/off tracklet calculation | |
69 | Bool_t fUseModule[kNSPDMod]; // flag for enabling/disabling SPD modules | |
70 | AliITSDetTypeRec *fDetTypeRec; //! pointer to DetTypeRec | |
71 | Int_t fMinTrackletsForPilup; // min. n. of tracklets for pilup definition | |
72 | Bool_t fIsPileup; // flag for pileup | |
73 | Int_t fNTrpuv; // tracklets in pile-up vertex | |
74 | Float_t fZpuv; // Z of second pile-up vertex | |
75 | Int_t fNoVertices; //! number of vertices found | |
76 | AliESDVertex* fVertArray; //! vertices (main+pileupped) | |
77 | ||
78 | private: | |
79 | // copy constructor (NO copy allowed: the constructor is protected | |
80 | // to avoid misuse) | |
81 | AliITSVertexer(const AliITSVertexer& vtxr); | |
82 | // assignment operator (NO assignment allowed) | |
83 | AliITSVertexer& operator=(const AliITSVertexer& /* vtxr */); | |
84 | ||
85 | Int_t fFirstEvent; // First event to be processed by FindVertices | |
86 | Int_t fLastEvent; // Last event to be processed by FindVertices | |
87 | ||
88 | ClassDef(AliITSVertexer,11); | |
89 | }; | |
90 | ||
91 | #endif |