First version of the parallel TPC tracking (M.Ivanov)
[u/mrichter/AliRoot.git] / TPC / AliTPCclustererMI.h
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1c53abe2 1#ifndef ALITPCCLUSTERERMI_H
2#define ALITPCCLUSTERERMI_H
3
4//-------------------------------------------------------
5// TPC clusterer
6//
7// Origin: Marian Ivanov
8//-------------------------------------------------------
9#include <Rtypes.h>
10#include <TObject.h>
11#define kMAXCLUSTER 2500
12
13class TFile;
14class AliTPCParam;
15class AliTPCclusterMI;
16class AliTPCClustersRow;
17class AliSimDigits;
18class TTree;
19
20class AliTPCclustererMI : public TObject{
21public:
22 AliTPCclustererMI();
23 virtual void Digits2Clusters(const AliTPCParam *par, Int_t eventn=1);
24 virtual void SetInput(TTree * tree); // set input tree with digits
25 virtual void SetOutput(TTree * tree); //set output tree with
26private:
27 Bool_t IsMaximum(Int_t k, Int_t max, const Int_t *bins);
28 void MakeCluster2(Int_t k,Int_t max,Int_t *bins,UInt_t m,
29 AliTPCclusterMI &c);
30 void MakeCluster(Int_t k,Int_t max,Int_t *bins,UInt_t m,
31 AliTPCclusterMI &c);
32 Float_t GetSigmaY2(Int_t iz);
33 Float_t GetSigmaZ2(Int_t iz);
34 Float_t FitMax(Float_t vmatrix[5][5], Float_t y, Float_t z, Float_t sigmay, Float_t sigmaz);
35 void AddCluster(AliTPCclusterMI &c); // add the cluster to the array
36 void UnfoldCluster(Int_t * matrix[7], Float_t recmatrix[5][5],
37 Float_t & meani, Float_t & meanj, Float_t & sum, Float_t &overlap );
38
39
40
41 Int_t * fBins; //!digits array
42 Int_t * fResBins; //!digits array with res. after 1 finder
43 Int_t fLoop; //loop - cf in 2 loops
44 Int_t fMaxBin;
45 Int_t fMaxTime;
46 Int_t fMaxPad;
47 Int_t fSector; //!current sector
48 Float_t fSign; //!current sign
49 Float_t fRx; // current radius
50 Float_t fPadWidth; // the width of the pad
51 Float_t fPadLength; // the width of the pad
52 Float_t fZWidth; //the z bin width
53
54 TTree * fInput; //!input tree with digits - object not owner
55 TTree * fOutput; //!output tree with digits - object not owner
56 AliTPCClustersRow * fRowCl; //! current cluster row
57 AliSimDigits * fRowDig; //! current digits row
58 const AliTPCParam * fParam; //! tpc parameters
59 Int_t fNcluster; // number of clusters - for given row
60 ClassDef(AliTPCclustererMI,1) // Time Projection Chamber digits
61};
62
63inline Bool_t AliTPCclustererMI::IsMaximum(Int_t q,Int_t max,const Int_t *bins){
64 //is this a local maximum ?
65 if (bins[-max] >= q) return kFALSE;
66 if (bins[-1 ] >= q) return kFALSE;
67 if (bins[+max] > q) return kFALSE;
68 if (bins[+1 ] > q) return kFALSE;
69 if (bins[-max-1] >= q) return kFALSE;
70 if (bins[+max-1] >= q) return kFALSE;
71 if (bins[+max+1] > q) return kFALSE;
72 if (bins[-max+1] >= q) return kFALSE;
73 return kTRUE;
74}
75
76
77
78//-----------------------------------------------------------------
79
80#endif
81
82