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1 | #ifndef AliHMPIDReconstructor_h | |
2 | #define AliHMPIDReconstructor_h | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | //. | |
6 | // HMPID base class to reconstruct an event | |
7 | //. | |
8 | #include <AliReconstructor.h> //base class | |
9 | #include "AliHMPIDTracker.h" //CreateTracker() | |
10 | #include "AliHMPIDDigit.h" //Dig2Clu(), UseDig() | |
11 | #include "AliHMPIDRecoParamV1.h" | |
12 | #include <TMatrixF.h> //UseDig() | |
13 | #include <TClonesArray.h> //UseDig() | |
14 | #include <TObjArray.h> //SigConv() | |
15 | ||
16 | class AliRawReader; //Reconstruct() with raw data | |
17 | class AliHMPIDCluster; //Dig2Clu() | |
18 | ||
19 | class AliHMPIDReconstructor: public AliReconstructor | |
20 | { | |
21 | public: | |
22 | AliHMPIDReconstructor(); | |
23 | virtual ~AliHMPIDReconstructor() {delete fDig;delete fClu;}//dtor | |
24 | //framework part | |
25 | AliTracker* CreateTracker () const {return new AliHMPIDTracker;} //from AliReconstructor for clusters->PID | |
26 | void ConvertDigits (AliRawReader *pRR, TTree *pDigTree) const; //from AliReconstruction for raw->digit | |
27 | Bool_t HasDigitConversion() const {return kTRUE;} //HMPID digits converted with ConvertDigits | |
28 | void Reconstruct (TTree* digitsTree, TTree* clustersTree) const; //from AliReconstruction for digit->cluster | |
29 | static Int_t StreamLevel() { return fgStreamLevel;} | |
30 | static void SetStreamLevel(Int_t level) { fgStreamLevel = level;} | |
31 | ||
32 | ||
33 | using AliReconstructor::FillESD; // | |
34 | using AliReconstructor::Reconstruct; // | |
35 | ||
36 | //private part | |
37 | static void Dig2Clu (TObjArray *pDigLst,TObjArray *pCluLst,Int_t *pUserCut,Bool_t isUnfold=kTRUE );//digits->clusters | |
38 | static void FormClu (AliHMPIDCluster *pClu,AliHMPIDDigit *pDig,TClonesArray *pDigLst,TMatrixF *pPadMap);//cluster formation recursive algorithm | |
39 | static inline AliHMPIDDigit* UseDig (Int_t padX,Int_t padY, TClonesArray *pDigLst,TMatrixF *pDigMap);//use this pad's digit to form a cluster | |
40 | inline Bool_t IsDigSurvive(Int_t *pUserCut, AliHMPIDDigit *pDig )const;//check for sigma cut | |
41 | static const AliHMPIDRecoParamV1* GetRecoParam() { return dynamic_cast<const AliHMPIDRecoParamV1*>(AliReconstructor::GetRecoParam(5)); } //5 is the HMPID detector code | |
42 | ||
43 | protected: | |
44 | TObjArray *fDaqSig; // container for the pad pedestal sigmas | |
45 | TObjArray *fDig; // tmp list of digits | |
46 | TObjArray *fClu; // tmp list of clusters | |
47 | // | |
48 | private: | |
49 | AliHMPIDReconstructor(const AliHMPIDReconstructor&); //Not implemented | |
50 | AliHMPIDReconstructor &operator=(const AliHMPIDReconstructor&); //Not implemented | |
51 | static Int_t fgStreamLevel; // flag for streaming - for HMPID reconstruction | |
52 | // | |
53 | ClassDef(AliHMPIDReconstructor, 3) // class for the HMPID reconstruction | |
54 | }; | |
55 | ||
56 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
57 | AliHMPIDDigit* AliHMPIDReconstructor::UseDig(Int_t padX,Int_t padY,TClonesArray *pDigLst,TMatrixF *pPadMap) | |
58 | { | |
59 | //Digit map contains a matrix if digit numbers. | |
60 | //Main operation in forming initial cluster is done here. Requested digit pointer is returned and this digit marked as taken. | |
61 | //Arguments: padX,padY - pad number | |
62 | // pDigLst - list of digits for one sector | |
63 | // pDigMap - map of those digits | |
64 | // Returns: pointer to digit if not yet used or 0 if used | |
65 | Int_t iDig=(Int_t)(*pPadMap)(padX,padY);(*pPadMap)(padX,padY)=-1;//take digit number from the map and reset this map cell to -1 | |
66 | if(iDig!=-1) return (AliHMPIDDigit*)pDigLst->At(iDig); //digit pointer | |
67 | else return 0; | |
68 | } | |
69 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
70 | Bool_t AliHMPIDReconstructor::IsDigSurvive(Int_t *pUserCut, AliHMPIDDigit *pDig)const | |
71 | { | |
72 | //Check if the current digit survive to a riapllied sigma cut | |
73 | //Arguments: pDig pointer to the current digit | |
74 | // Returns: kTRUE if charge > mean+n*sigma | |
75 | Int_t iCh = pDig->Ch(); | |
76 | Int_t iDaqSigCut =(Int_t)fDaqSig->At(iCh)->GetUniqueID(); | |
77 | if(pUserCut[iCh]<=iDaqSigCut) return kTRUE; | |
78 | TMatrixF *pM = (TMatrixF*)fDaqSig->At(pDig->Ch()); | |
79 | Float_t sig = (*pM)(pDig->PadChX(),pDig->PadChY()); | |
80 | if(pDig->Q()>pUserCut[iCh]*sig) return kTRUE; | |
81 | else return kFALSE; | |
82 | } | |
83 | ||
84 | #endif |