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 void FindMultiplicity(TTree *itsClusterTree);
27 void SetFirstEvent(Int_t ev){fFirstEvent = ev;}
28 void SetLastEvent(Int_t ev){fLastEvent = ev;}
29 static Float_t GetPipeRadius() {return fgkPipeRadius;}
30 void SetLaddersOnLayer2(Int_t ladwid=4);
31 virtual void SetUseModule(Int_t imod, Bool_t optUse){
32 if(imod>=0 && imod<kNSPDMod) fUseModule[imod]=optUse;
34 virtual Bool_t IsModuleUsed(Int_t imod) const {
35 if(imod>=0 && imod<kNSPDMod) return fUseModule[imod];
39 AliITSDetTypeRec *GetDetTypeRec() const {return fDetTypeRec;}
40 virtual void SetDetTypeRec(AliITSDetTypeRec *ptr){fDetTypeRec = ptr;}
43 // Methods containing run-loaders, should be moved to some other class
44 void Init(TString filename);
45 void WriteCurrentVertex();
48 Int_t GetMinTrackletsForPilup() const {return fMinTrackletsForPilup;}
49 void SetMinTrackletsForPilup(Int_t mint=2) {fMinTrackletsForPilup=mint;}
50 Bool_t IsPileup() const{return fIsPileup;}
51 Float_t GetZPileupV() const {
52 if(IsPileup()) return fZpuv;
53 else return -9999999.;
55 Int_t GetNTrackletsPileupV() const {
56 if(IsPileup()) return fNTrpuv;
60 static const Float_t fgkPipeRadius; // beam pipe radius (cm)
61 UShort_t *fLadders; // array with layer1-layer2 ladders correspondances
62 Int_t fLadOnLay2; // (2*fLadOnLay2+1)=number of layer2 ladders
63 // associated to a layer1 ladder
64 Bool_t fUseModule[kNSPDMod]; // flag for enabling/disabling SPD modules
65 AliITSDetTypeRec *fDetTypeRec; //! pointer to DetTypeRec
66 Int_t fMinTrackletsForPilup; // min. n. of tracklets for pilup definition
67 Bool_t fIsPileup; // flag for pileup
68 Int_t fNTrpuv; // tracklets in pile-up vertex
69 Float_t fZpuv; // Z of second pile-up vertex
72 // copy constructor (NO copy allowed: the constructor is protected
74 AliITSVertexer(const AliITSVertexer& vtxr);
75 // assignment operator (NO assignment allowed)
76 AliITSVertexer& operator=(const AliITSVertexer& /* vtxr */);
78 Int_t fFirstEvent; // First event to be processed by FindVertices
79 Int_t fLastEvent; // Last event to be processed by FindVertices
81 ClassDef(AliITSVertexer,9);