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 <TMatrixF.h> //UseDig()
11 #include <TClonesArray.h> //UseDig()
12 class AliRawReader; //Reconstruct() with raw data
13 class AliHMPIDDigit; //Dig2Clu(), UseDig()
14 class AliHMPIDCluster; //Dig2Clu()
16 class AliHMPIDReconstructor: public AliReconstructor
19 AliHMPIDReconstructor();
20 virtual ~AliHMPIDReconstructor() {delete fDig;delete fClu;}//dtor
22 AliTracker* CreateTracker (AliRunLoader* )const{return new AliHMPIDTracker;} //from AliReconstructor for clusters->PID
23 void ConvertDigits (AliRawReader *pRR, TTree *pDigTree) const; //from AliReconstruction for raw->digit
24 Bool_t HasDigitConversion() const {return kTRUE;} //HMPID digits converted with ConvertDigits
25 void Reconstruct (TTree* digitsTree, TTree* clustersTree) const; //from AliReconstruction for digit->cluster
26 void Reconstruct (AliRunLoader *pAL,AliRawReader* pRR)const; //from AliReconstruction for raw->cluster with Digits on fly
27 Bool_t HasLocalReconstruction() const {return kTRUE;} // HMPID has local reconstruction algorithm
28 void FillESD (AliRunLoader* pAL,AliESD *pESD)const; //calculate pid for HMPID
30 using AliReconstructor::FillESD; //
31 using AliReconstructor::Reconstruct; //
34 static void Dig2Clu (TObjArray *pDigLst,TObjArray *pCluLst,Bool_t isUnfold=kTRUE );//digits->clusters
35 static void FormClu (AliHMPIDCluster *pClu,AliHMPIDDigit *pDig,TClonesArray *pDigLst,TMatrixF *pPadMap);//cluster formation recursive algorithm
36 static inline AliHMPIDDigit* UseDig (Int_t padX,Int_t padY, TClonesArray *pDigLst,TMatrixF *pDigMap);//use this pad's digit to form a cluster
39 TObjArray *fDig; // tmp list of digits
40 TObjArray *fClu; // tmp list of clusters
41 ClassDef(AliHMPIDReconstructor, 0) //class for the HMPID reconstruction
44 //__________________________________________________________________________________________________
45 AliHMPIDDigit* AliHMPIDReconstructor::UseDig(Int_t padX,Int_t padY,TClonesArray *pDigLst,TMatrixF *pPadMap)
47 //Digit map contains a matrix if digit numbers.
48 //Main operation in forming initial cluster is done here. Requested digit pointer is returned and this digit marked as taken.
49 //Arguments: padX,padY - pad number
50 // pDigLst - list of digits for one sector
51 // pDigMap - map of those digits
52 // Returns: pointer to digit if not yet used or 0 if used
53 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
54 if(iDig!=-1) return (AliHMPIDDigit*)pDigLst->At(iDig); //digit pointer