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 kOwner = BIT(14) // toggle cluster ownership
43 ,kLabels = BIT(15) // toggle MC labels for clusters
44 ,kHLT = BIT(16) // HLT mode
45 ,kLUT = BIT(17) // using look up table for cluster's r-phi position
46 ,kGAUS = BIT(18) // using gauss approx. for cluster's r-phi position
57 MaxStruct():Row(-1),Col(0),Time(0),padStatus(0),FivePad(kFALSE)
58 {memset(Signals, 0, 3*sizeof(Short_t));}
59 MaxStruct &operator=(const MaxStruct &a)
60 {Row=a.Row; Col=a.Col; Time=a.Time; padStatus=a.padStatus; FivePad=a.FivePad;
61 memcpy(Signals, a.Signals, 3*sizeof(Short_t)); return *this;}
64 AliTRDclusterizer(const AliTRDReconstructor *const rec = 0x0);
65 AliTRDclusterizer(const Text_t* name, const Text_t* title, const AliTRDReconstructor *const rec = 0x0);
66 AliTRDclusterizer(const AliTRDclusterizer &c);
67 virtual ~AliTRDclusterizer();
68 AliTRDclusterizer &operator=(const AliTRDclusterizer &c);
70 void Copy(TObject &c) const;
72 Bool_t Open(const Char_t *name, Int_t nEvent = 0);
73 Bool_t OpenInput(Int_t nEvent = 0);
75 Bool_t OpenOutput(TTree *clusterTree);
78 Bool_t ReadDigits(AliRawReader *rawReader);
79 Bool_t ReadDigits(TTree *digitsTree);
81 Bool_t WriteClusters(Int_t det);
82 void ResetRecPoints();
83 virtual TClonesArray *RecPoints();
84 Bool_t WriteTracklets(Int_t det);
86 Bool_t Raw2Clusters(AliRawReader *rawReader);
87 Bool_t Raw2ClustersChamber(AliRawReader *rawReader);
89 Bool_t MakeClusters();
90 Bool_t MakeClusters(Int_t det);
93 Bool_t SetUseLabels(const Bool_t kset) { SetBit(kLabels, kset); return TestBit(kLabels); } // should we assign labels to clusters
94 void SetRawVersion(const Int_t iver) { fRawVersion = iver; } // set the expected raw data version
95 void SetReconstructor(const AliTRDReconstructor *rec) {fReconstructor = rec;}
96 static UChar_t GetStatus(Short_t &signal);
97 Int_t GetAddedClusters() {return fNoOfClusters;}
99 Bool_t IsClustersOwner() const {return TestBit(kOwner);}
100 virtual void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kOwner, own); if(!own) {fRecPoints = 0x0; fNoOfClusters=0;} }
104 void DeConvExp (const Double_t *const source, Double_t *const target
105 ,const Int_t nTimeTotal, const Int_t nexp);
106 void TailCancelation();
108 Float_t Unfold(Double_t eps, Int_t layer, Double_t *padSignal) const;
109 //Double_t GetCOG(Double_t signal[5]) const;
110 //Double_t LUTposition(Int_t ilayer, Double_t ampL, Double_t ampC, Double_t ampR) const;
112 void SetPadStatus(const UChar_t status, UChar_t &encoding);
113 UChar_t GetPadStatus(UChar_t encoding) const;
114 Int_t GetCorruption(UChar_t encoding) const;
116 Bool_t IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals); //for const correctness reasons not const parameters are given separately
117 Bool_t FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax);
118 void CreateCluster(const MaxStruct &Max);
119 inline void CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount);
120 virtual void AddClusterToArray(AliTRDcluster *cluster);
122 const AliTRDReconstructor *fReconstructor; //! reconstructor
123 AliRunLoader *fRunLoader; //! Run Loader
124 TTree *fClusterTree; //! Tree with the cluster
125 TClonesArray *fRecPoints; //! Array of clusters
127 TTree *fTrackletTree; //! Tree for tracklets
129 AliTRDdigitsManager *fDigitsManager; //! TRD digits manager
131 UInt_t **fTrackletContainer; //! tracklet container
133 Int_t fRawVersion; // Expected raw version of the data - default is 2
135 AliTRDtransform *fTransform; //! Transforms the reconstructed space points
137 AliTRDarrayADC *fDigits; // Array holding the digits
138 AliTRDSignalIndex *fIndexes; // Array holding the indexes to the digits
139 Float_t fADCthresh; // ADC thresholds: There is no ADC threshold anymore, and simParam should not be used in clusterizer. KO
140 Float_t fMaxThresh; // Threshold value for the maximum
141 Float_t fSigThresh; // Threshold value for the digit signal
142 Float_t fMinMaxCutSigma; // Threshold value for the maximum (cut noise)
143 Float_t fMinLeftRightCutSigma; // Threshold value for the sum pad (cut noise)
144 Int_t fLayer; // Current layer of the detector
145 Int_t fDet; // Current detecor
146 UShort_t fVolid; // Volume ID
147 Int_t fColMax; // Number of Colums in one detector
148 Int_t fTimeTotal; // Number of time bins
149 AliTRDCalROC *fCalGainFactorROC; // Calibration object with pad wise values for the gain factors
150 Float_t fCalGainFactorDetValue;// Calibration value for chamber wise noise
151 AliTRDCalROC *fCalNoiseROC; // Calibration object with pad wise values for the noise
152 Float_t fCalNoiseDetValue; // Calibration value for chamber wise noise
153 AliTRDCalSingleChamberStatus *fCalPadStatusROC; // Calibration object with the pad status
154 Int_t fClusterROC; // The index to the first cluster of a given ROC
155 Int_t firstClusterROC; // The number of cluster in a given ROC
156 Int_t fNoOfClusters; // Number of Clusters already processed and still owned by the clusterizer
158 ClassDef(AliTRDclusterizer,6) // TRD clusterfinder