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edb8c962 | 1 | #ifndef ALIMUONCLUSTERFINDERPEAKCOG_H |
2 | #define ALIMUONCLUSTERFINDERPEAKCOG_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 AliMUONClusterFinderPeakCOG | |
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 | ||
24 | class AliMUONPad; | |
25 | ||
26 | class TH2D; | |
edb8c962 | 27 | |
28 | class AliMUONClusterFinderPeakCOG : public AliMUONVClusterFinder | |
29 | { | |
30 | public: | |
31 | AliMUONClusterFinderPeakCOG(Bool_t plot, AliMUONVClusterFinder* clusterFinder); // Constructor | |
32 | virtual ~AliMUONClusterFinderPeakCOG(); // Destructor | |
33 | ||
34 | /// It needs segmentation | |
35 | virtual Bool_t NeedSegmentation() const { return kTRUE; } | |
36 | ||
37 | using AliMUONVClusterFinder::Prepare; | |
38 | ||
9e41a340 | 39 | virtual Bool_t Prepare(Int_t detElemId, TObjArray* pads[2], |
edb8c962 | 40 | const AliMpArea& area, const AliMpVSegmentation* seg[2]); |
41 | ||
42 | virtual AliMUONCluster* NextCluster(); | |
43 | ||
44 | virtual void Print(Option_t* opt="") const; | |
45 | ||
46 | private: | |
47 | /// Not implemented | |
48 | AliMUONClusterFinderPeakCOG(const AliMUONClusterFinderPeakCOG& rhs); | |
49 | /// Not implemented | |
50 | AliMUONClusterFinderPeakCOG& operator=(const AliMUONClusterFinderPeakCOG& rhs); | |
51 | ||
52 | Bool_t WorkOnPreCluster(); | |
53 | ||
54 | /// Check precluster to simplify it (if possible), and return the simplified cluster | |
55 | AliMUONCluster* CheckPrecluster(const AliMUONCluster& cluster); | |
56 | AliMUONCluster* CheckPreclusterTwoCathodes(AliMUONCluster* cluster); | |
57 | ||
58 | /// Checks whether a pad and a pixel have an overlapping area. | |
59 | Bool_t Overlap(const AliMUONPad& pad, const AliMUONPad& pixel); | |
60 | ||
61 | /// build array of pixels | |
62 | void BuildPixArray(AliMUONCluster& cluster); | |
63 | void BuildPixArrayOneCathode(AliMUONCluster& cluster); | |
64 | void PadOverHist(Int_t idir, Int_t ix0, Int_t iy0, AliMUONPad *pad, TH2D *h1, TH2D *h2); | |
65 | ||
66 | void RemovePixel(Int_t i); | |
67 | ||
68 | AliMUONPad* Pixel(Int_t i) const; | |
69 | ||
70 | Int_t FindLocalMaxima(TObjArray *pixArray, Int_t *localMax, Double_t *maxVal); // find local maxima | |
71 | void FlagLocalMax(TH2D *hist, Int_t i, Int_t j, Int_t *isLocalMax); // flag local max | |
72dae9ff | 72 | void FindCluster(AliMUONCluster& cluster, const Int_t *localMax, Int_t iMax); // find cluster around local max |
edb8c962 | 73 | void PadsInXandY(AliMUONCluster& cluster, Int_t &nInX, Int_t &nInY) const; // get number of pads in X and Y |
74 | ||
75 | void CheckOverlaps(); | |
76 | ||
77 | private: | |
78 | // Status flags for pads | |
79 | static const Int_t fgkZero; ///< pad "basic" state | |
80 | static const Int_t fgkMustKeep; ///< do not kill (for pixels) | |
81 | static const Int_t fgkUseForFit; ///< should be used for fit | |
82 | static const Int_t fgkOver; ///< processing is over | |
83 | static const Int_t fgkModified; ///< modified pad charge | |
84 | static const Int_t fgkCoupled; ///< coupled pad | |
85 | ||
86 | ||
87 | // Some constants | |
88 | static const Double_t fgkZeroSuppression; ///< average zero suppression value | |
89 | static const Double_t fgkDistancePrecision; ///< used to check overlaps and so on | |
90 | static const TVector2 fgkIncreaseSize; ///< idem | |
91 | static const TVector2 fgkDecreaseSize; ///< idem | |
92 | ||
93 | AliMUONVClusterFinder* fPreClusterFinder; //!< the pre-clustering worker | |
94 | AliMUONCluster* fPreCluster; //!< current pre-cluster | |
95 | TObjArray fClusterList; //!< clusters corresponding to the current pre-cluster | |
96 | ||
97 | Int_t fEventNumber; //!< current event being processed | |
98 | Int_t fDetElemId; //!< current DE being processed | |
99 | Int_t fClusterNumber; //!< current cluster number | |
100 | ||
72dae9ff | 101 | const AliMpVSegmentation *fkSegmentation[2]; //!< new segmentation |
edb8c962 | 102 | |
103 | TH2D *fHistAnode; //!< histo for peak search | |
104 | TObjArray* fPixArray; //!< collection of pixels | |
105 | Int_t fDebug; //!< debug level | |
106 | Bool_t fPlot; //!< whether we should plot thing (for debug only, quite slow!) | |
107 | ||
108 | Int_t fNClusters; //!< total number of clusters | |
109 | Int_t fNAddVirtualPads; //!< number of clusters for which we added virtual pads | |
110 | ||
111 | ClassDef(AliMUONClusterFinderPeakCOG,0) // cluster finder in MUON arm of ALICE | |
112 | }; | |
113 | ||
114 | #endif |