Adding code to patch St1 HV mapping
[u/mrichter/AliRoot.git] / MUON / AliMUONClusterFinderPeakFit.h
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3d4412e3 1#ifndef ALIMUONCLUSTERFINDERPEAKFIT_H
2#define ALIMUONCLUSTERFINDERPEAKFIT_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
8/// \ingroup rec
9/// \class AliMUONClusterFinderPeakFit
10/// \brief Cluster finder in MUON arm of ALICE
11///
12// Author Alexander Zinchenko, JINR Dubna; Laurent Aphecetche, SUBATECH
13//
14
15#include "AliMUONVClusterFinder.h"
16
17#ifndef ROOT_TObjArray
18# include "TObjArray.h"
19#endif
20#ifndef ROOT_TVector2
21# include "TVector2.h"
22#endif
23
24class AliMUONMathieson;
25//class AliMUONPad;
26
27class TH2D;
3d4412e3 28
29class AliMUONClusterFinderPeakFit : public AliMUONVClusterFinder
30{
31public:
32 AliMUONClusterFinderPeakFit(Bool_t plot, AliMUONVClusterFinder* clusterFinder); // Constructor
33 virtual ~AliMUONClusterFinderPeakFit(); // Destructor
34
35 /// It needs segmentation
36 virtual Bool_t NeedSegmentation() const { return kTRUE; }
37
38 using AliMUONVClusterFinder::Prepare;
39
9e41a340 40 virtual Bool_t Prepare(Int_t detElemId, TObjArray* pads[2],
3d4412e3 41 const AliMpArea& area, const AliMpVSegmentation* seg[2]);
42
43 virtual AliMUONCluster* NextCluster();
44
45 /// Return the number of local maxima
46 Int_t GetNMax() const { return fNMax; }
47
48 virtual void Print(Option_t* opt="") const;
49
50private:
51 /// Not implemented
52 AliMUONClusterFinderPeakFit(const AliMUONClusterFinderPeakFit& rhs);
53 /// Not implemented
54 AliMUONClusterFinderPeakFit& operator=(const AliMUONClusterFinderPeakFit& rhs);
55
56 Bool_t WorkOnPreCluster();
57
58 /// Check precluster to simplify it (if possible), and return the simplified cluster
59 AliMUONCluster* CheckPrecluster(const AliMUONCluster& cluster);
60 AliMUONCluster* CheckPreclusterTwoCathodes(AliMUONCluster* cluster);
61
62 /// Checks whether a pad and a pixel have an overlapping area.
63 Bool_t Overlap(const AliMUONPad& pad, const AliMUONPad& pixel);
64
65 /// build array of pixels
66 void BuildPixArray(AliMUONCluster& cluster);
67 void BuildPixArrayOneCathode(AliMUONCluster& cluster);
68 void PadOverHist(Int_t idir, Int_t ix0, Int_t iy0, AliMUONPad *pad, TH2D *h1, TH2D *h2);
69
70 void RemovePixel(Int_t i);
71
72 AliMUONPad* Pixel(Int_t i) const;
73
74 Int_t FindLocalMaxima(TObjArray *pixArray, Int_t *localMax, Double_t *maxVal); // find local maxima
75 void FlagLocalMax(TH2D *hist, Int_t i, Int_t j, Int_t *isLocalMax); // flag local max
72dae9ff 76 void FindClusterCOG(AliMUONCluster& cluster, const Int_t *localMax, Int_t iMax); // find cluster around local max with COG
77 void FindClusterFit(AliMUONCluster& cluster, const Int_t *localMax, const Int_t *maxPos, Int_t nMax); // find cluster around local max with fitting
3d4412e3 78 void PadsInXandY(AliMUONCluster& cluster, Int_t &nInX, Int_t &nInY) const; // get number of pads in X and Y
79
80 void CheckOverlaps();
81
82private:
83 // Status flags for pads
84 static const Int_t fgkZero; ///< pad "basic" state
85 static const Int_t fgkMustKeep; ///< do not kill (for pixels)
86 static const Int_t fgkUseForFit; ///< should be used for fit
87 static const Int_t fgkOver; ///< processing is over
88 static const Int_t fgkModified; ///< modified pad charge
89 static const Int_t fgkCoupled; ///< coupled pad
90
91 // Some constants
92 static const Double_t fgkZeroSuppression; ///< average zero suppression value
93 static const Double_t fgkDistancePrecision; ///< used to check overlaps and so on
94 static const TVector2 fgkIncreaseSize; ///< idem
95 static const TVector2 fgkDecreaseSize; ///< idem
96
97 AliMUONVClusterFinder* fPreClusterFinder; //!< the pre-clustering worker
98 AliMUONCluster* fPreCluster; //!< current pre-cluster
99 TObjArray fClusterList; //!< clusters corresponding to the current pre-cluster
100 AliMUONMathieson* fMathieson; //!< Mathieson to compute the charge repartition
101
102 Int_t fEventNumber; //!< current event being processed
103 Int_t fDetElemId; //!< current DE being processed
104 Int_t fClusterNumber; //!< current cluster number
105 Int_t fNMax; //!< number of local maxima
106 TH2D *fHistAnode; //!< histo for local maxima search
107
72dae9ff 108 const AliMpVSegmentation *fkSegmentation[2]; //!< new segmentation
3d4412e3 109
110 TObjArray* fPixArray; //!< collection of pixels
111 Int_t fDebug; //!< debug level
112 Bool_t fPlot; //!< whether we should plot thing (for debug only, quite slow!)
113
114 Int_t fNClusters; //!< total number of clusters
115 Int_t fNAddVirtualPads; //!< number of clusters for which we added virtual pads
116
117 ClassDef(AliMUONClusterFinderPeakFit,0) // cluster finder in MUON arm of ALICE
118};
119
120#endif