1 #ifndef ALITRDCLUSTERIZER_H
2 #define ALITRDCLUSTERIZER_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ////////////////////////////////////////////////////////////////////////////
10 // TRD cluster finder //
12 ////////////////////////////////////////////////////////////////////////////
27 class AliTRDarraySignal;
28 class AliTRDdigitsManager;
29 class AliTRDSignalIndex;
30 class AliTRDtransform;
32 class AliTRDReconstructor;
33 class AliTRDCalSingleChamberStatus;
35 class AliTRDclusterizer : public TNamed
42 kTrOwner= BIT(13) // toggle online tracklets ownership
43 ,kClOwner= BIT(14) // toggle cluster ownership
44 ,kLabels = BIT(15) // toggle MC labels for clusters
45 ,kHLT = BIT(16) // HLT mode
46 ,kLUT = BIT(17) // using look up table for cluster's r-phi position
47 ,kGAUS = BIT(18) // using gauss approx. for cluster's r-phi position
58 MaxStruct():Row(-1),Col(0),Time(0),padStatus(0),FivePad(kFALSE)
59 {memset(Signals, 0, 3*sizeof(Short_t));}
60 MaxStruct &operator=(const MaxStruct &a)
61 {Row=a.Row; Col=a.Col; Time=a.Time; padStatus=a.padStatus; FivePad=a.FivePad;
62 memcpy(Signals, a.Signals, 3*sizeof(Short_t)); return *this;}
65 AliTRDclusterizer(const AliTRDReconstructor *const rec = 0x0);
66 AliTRDclusterizer(const Text_t* name, const Text_t* title, const AliTRDReconstructor *const rec = 0x0);
67 AliTRDclusterizer(const AliTRDclusterizer &c);
68 virtual ~AliTRDclusterizer();
69 AliTRDclusterizer &operator=(const AliTRDclusterizer &c);
71 void Copy(TObject &c) const;
73 Bool_t Open(const Char_t *name, Int_t nEvent = 0);
74 Bool_t OpenInput(Int_t nEvent = 0);
76 Bool_t OpenOutput(TTree *clusterTree);
77 Bool_t OpenTrackletOutput();
80 Bool_t ReadDigits(AliRawReader *rawReader);
81 Bool_t ReadDigits(TTree *digitsTree);
83 Bool_t WriteClusters(Int_t det);
84 void ResetRecPoints();
85 virtual TClonesArray *RecPoints();
86 TClonesArray *TrackletsArray();
87 Bool_t WriteTracklets(Int_t det);
89 Bool_t Raw2Clusters(AliRawReader *rawReader);
90 Bool_t Raw2ClustersChamber(AliRawReader *rawReader);
92 Bool_t MakeClusters();
93 Bool_t MakeClusters(Int_t det);
96 Bool_t SetUseLabels(const Bool_t kset) { SetBit(kLabels, kset); return TestBit(kLabels); } // should we assign labels to clusters
97 void SetRawVersion(const Int_t iver) { fRawVersion = iver; } // set the expected raw data version
98 void SetReconstructor(const AliTRDReconstructor *rec) {fReconstructor = rec;}
99 static UChar_t GetStatus(Short_t &signal);
100 Int_t GetAddedClusters() {return fNoOfClusters;}
102 Bool_t IsClustersOwner() const {return TestBit(kClOwner);}
103 virtual void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kTrOwner, own); if(!own) {fRecPoints = 0x0; fNoOfClusters=0;} }
104 void SetTrackletsOwner(Bool_t own=kTRUE) {SetBit(kTrOwner, own); if(!own) {fTracklets = 0x0; } }
108 void DeConvExp (const Double_t *const source, Double_t *const target
109 ,const Int_t nTimeTotal, const Int_t nexp);
110 void TailCancelation();
112 Float_t Unfold(Double_t eps, Int_t layer, Double_t *padSignal) const;
114 void SetPadStatus(const UChar_t status, UChar_t &encoding);
115 UChar_t GetPadStatus(UChar_t encoding) const;
116 Int_t GetCorruption(UChar_t encoding) const;
118 Bool_t IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals); //for const correctness reasons not const parameters are given separately
119 Bool_t FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax);
120 void CreateCluster(const MaxStruct &Max);
121 inline void CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount);
122 virtual void AddClusterToArray(AliTRDcluster *cluster);
123 inline void AddTrackletsToArray();
125 const AliTRDReconstructor *fReconstructor; //! reconstructor
126 AliRunLoader *fRunLoader; //! Run Loader
127 TTree *fClusterTree; //! Tree with the cluster
128 TClonesArray *fRecPoints; //! Array of clusters
129 TClonesArray *fTracklets; //! Array of online tracklets
131 TTree *fTrackletTree; //! Tree for tracklets
133 AliTRDdigitsManager *fDigitsManager; //! TRD digits manager
135 UInt_t **fTrackletContainer; //! tracklet container
137 Int_t fRawVersion; // Expected raw version of the data - default is 2
139 AliTRDtransform *fTransform; //! Transforms the reconstructed space points
141 AliTRDarrayADC *fDigits; // Array holding the digits
142 AliTRDSignalIndex *fIndexes; // Array holding the indexes to the digits
143 Float_t fADCthresh; // ADC thresholds: There is no ADC threshold anymore, and simParam should not be used in clusterizer. KO
144 Float_t fMaxThresh; // Threshold value for the maximum
145 Float_t fSigThresh; // Threshold value for the digit signal
146 Float_t fMinMaxCutSigma; // Threshold value for the maximum (cut noise)
147 Float_t fMinLeftRightCutSigma; // Threshold value for the sum pad (cut noise)
148 Int_t fLayer; // Current layer of the detector
149 Int_t fDet; // Current detecor
150 UShort_t fVolid; // Volume ID
151 Int_t fColMax; // Number of Colums in one detector
152 Int_t fTimeTotal; // Number of time bins
153 AliTRDCalROC *fCalGainFactorROC; // Calibration object with pad wise values for the gain factors
154 Float_t fCalGainFactorDetValue;// Calibration value for chamber wise noise
155 AliTRDCalROC *fCalNoiseROC; // Calibration object with pad wise values for the noise
156 Float_t fCalNoiseDetValue; // Calibration value for chamber wise noise
157 AliTRDCalSingleChamberStatus *fCalPadStatusROC; // Calibration object with the pad status
158 Int_t fClusterROC; // The index to the first cluster of a given ROC
159 Int_t firstClusterROC; // The number of cluster in a given ROC
160 Int_t fNoOfClusters; // Number of Clusters already processed and still owned by the clusterizer
162 ClassDef(AliTRDclusterizer,6) // TRD clusterfinder