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 */
6 // HMPID base class to reconstruct an event
8 #include <AliReconstructor.h> //base class
9 #include "AliHMPIDTracker.h" //CreateTracker()
10 #include "AliHMPIDDigit.h" //Dig2Clu(), UseDig()
11 #include <TMatrixF.h> //UseDig()
12 #include <TClonesArray.h> //UseDig()
13 #include <TObjArray.h> //SigConv()
14 class AliRawReader; //Reconstruct() with raw data
15 class AliHMPIDCluster; //Dig2Clu()
17 class AliHMPIDReconstructor: public AliReconstructor
20 AliHMPIDReconstructor();
21 virtual ~AliHMPIDReconstructor() {delete fDig;delete fClu;}//dtor
23 AliTracker* CreateTracker (AliRunLoader* )const{return new AliHMPIDTracker;} //from AliReconstructor for clusters->PID
24 void ConvertDigits (AliRawReader *pRR, TTree *pDigTree) const; //from AliReconstruction for raw->digit
25 Bool_t HasDigitConversion() const {return kTRUE;} //HMPID digits converted with ConvertDigits
26 void Reconstruct (TTree* digitsTree, TTree* clustersTree) const; //from AliReconstruction for digit->cluster
27 void Reconstruct (AliRunLoader *pAL,AliRawReader* pRR)const; //from AliReconstruction for raw->cluster with Digits on fly
28 Bool_t HasLocalReconstruction() const {return kTRUE;} // HMPID has local reconstruction algorithm
29 void FillESD (AliRunLoader* pAL,AliESD *pESD)const; //calculate pid for HMPID
31 using AliReconstructor::FillESD; //
32 using AliReconstructor::Reconstruct; //
35 static void Dig2Clu (TObjArray *pDigLst,TObjArray *pCluLst,Bool_t isUnfold=kTRUE );//digits->clusters
36 static void FormClu (AliHMPIDCluster *pClu,AliHMPIDDigit *pDig,TClonesArray *pDigLst,TMatrixF *pPadMap);//cluster formation recursive algorithm
37 static inline AliHMPIDDigit* UseDig (Int_t padX,Int_t padY, TClonesArray *pDigLst,TMatrixF *pDigMap);//use this pad's digit to form a cluster
38 inline Bool_t IsDigSurvive(AliHMPIDDigit *pDig )const;//check for sigma cut
39 void SigConv(TObjArray *pDaqSig );//conversion to 7 TMatrixF for sigmas
41 Int_t fUserCut; // n sigma for pedestals decided by the User (if in OCDB)
42 TObjArray *fDaqSig; // container for the pad pedestal sigmas
43 TObjArray *fDig; // tmp list of digits
44 TObjArray *fClu; // tmp list of clusters
45 ClassDef(AliHMPIDReconstructor, 0) // class for the HMPID reconstruction
48 //__________________________________________________________________________________________________
49 AliHMPIDDigit* AliHMPIDReconstructor::UseDig(Int_t padX,Int_t padY,TClonesArray *pDigLst,TMatrixF *pPadMap)
51 //Digit map contains a matrix if digit numbers.
52 //Main operation in forming initial cluster is done here. Requested digit pointer is returned and this digit marked as taken.
53 //Arguments: padX,padY - pad number
54 // pDigLst - list of digits for one sector
55 // pDigMap - map of those digits
56 // Returns: pointer to digit if not yet used or 0 if used
57 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
58 if(iDig!=-1) return (AliHMPIDDigit*)pDigLst->At(iDig); //digit pointer
61 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
62 Bool_t AliHMPIDReconstructor::IsDigSurvive(AliHMPIDDigit *pDig)const
64 //Check if the current digit survive to a riapllied sigma cut
65 //Arguments: pDig pointer to the current digit
66 // Returns: kTRUE if charge > mean+n*sigma
67 if(!fUserCut) return kTRUE;
68 TMatrixF *pM = (TMatrixF*)fDaqSig->At(pDig->Ch());
69 Float_t sig = (*pM)(pDig->PadChX(),pDig->PadChY());
70 if(pDig->Q()>fUserCut*sig) return kTRUE;