1 #ifndef ALIITSVERTEXER_H
2 #define ALIITSVERTEXER_H
4 #include<AliVertexer.h>
5 #include "AliITSDetTypeRec.h"
7 ///////////////////////////////////////////////////////////////////
9 // Base class for primary vertex reconstruction for ITS //
11 ///////////////////////////////////////////////////////////////////
17 class AliITSVertexer : public AliVertexer {
20 // default constructor
22 virtual ~AliITSVertexer();
23 virtual AliESDVertex *FindVertexForCurrentEvent(TTree *itsClusterTree)=0;
24 virtual void PrintStatus() const = 0;
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 virtual void SetUseModule(Int_t imod, Bool_t optUse){
33 if(imod>=0 && imod<kNSPDMod) fUseModule[imod]=optUse;
35 virtual Bool_t IsModuleUsed(Int_t imod) const {
36 if(imod>=0 && imod<kNSPDMod) return fUseModule[imod];
40 virtual AliESDVertex* GetAllVertices(Int_t &novertices) const {novertices = fNoVertices; return fVertArray; }
42 AliITSDetTypeRec *GetDetTypeRec() const {return fDetTypeRec;}
43 virtual void SetDetTypeRec(AliITSDetTypeRec *ptr){fDetTypeRec = ptr;}
46 // Methods containing run-loaders, should be moved to some other class
47 void Init(TString filename);
48 void WriteCurrentVertex();
51 Int_t GetMinTrackletsForPilup() const {return fMinTrackletsForPilup;}
52 void SetMinTrackletsForPilup(Int_t mint=2) {fMinTrackletsForPilup=mint;}
53 Bool_t IsPileup() const{return fIsPileup;}
54 Float_t GetZPileupV() const {
55 if(IsPileup()) return fZpuv;
56 else return -9999999.;
58 Int_t GetNTrackletsPileupV() const {
59 if(IsPileup()) return fNTrpuv;
63 static const Float_t fgkPipeRadius; // beam pipe radius (cm)
64 UShort_t *fLadders; // array with layer1-layer2 ladders correspondances
65 Int_t fLadOnLay2; // (2*fLadOnLay2+1)=number of layer2 ladders
66 // associated to a layer1 ladder
67 Bool_t fUseModule[kNSPDMod]; // flag for enabling/disabling SPD modules
68 AliITSDetTypeRec *fDetTypeRec; //! pointer to DetTypeRec
69 Int_t fMinTrackletsForPilup; // min. n. of tracklets for pilup definition
70 Bool_t fIsPileup; // flag for pileup
71 Int_t fNTrpuv; // tracklets in pile-up vertex
72 Float_t fZpuv; // Z of second pile-up vertex
73 Int_t fNoVertices; //! number of vertices found
74 AliESDVertex* fVertArray; //! vertices (main+pileupped)
77 // copy constructor (NO copy allowed: the constructor is protected
79 AliITSVertexer(const AliITSVertexer& vtxr);
80 // assignment operator (NO assignment allowed)
81 AliITSVertexer& operator=(const AliITSVertexer& /* vtxr */);
83 Int_t fFirstEvent; // First event to be processed by FindVertices
84 Int_t fLastEvent; // Last event to be processed by FindVertices
86 ClassDef(AliITSVertexer,10);