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;
34 class AliTRDrawStreamBase;
36 class AliTRDclusterizer : public TNamed
43 kTrOwner= BIT(13) // toggle online tracklets ownership
44 ,kClOwner= BIT(14) // toggle cluster ownership
45 ,kLabels = BIT(15) // toggle MC labels for clusters
46 ,kHLT = BIT(16) // HLT mode
47 ,kLUT = BIT(17) // using look up table for cluster's r-phi position
48 ,kGAUS = BIT(18) // using gauss approx. for cluster's r-phi position
49 ,knewDM = BIT(19) // was the digitsmanger created by raw2clusters?
54 Int_t row; // row of the current cluster candidate
55 Int_t col; // col of the current cluster candidate
56 Int_t time; // time -"-
57 Short_t signals[3]; // signals of the maximum pad and it's twon neigbours
58 UChar_t padStatus; // padStatus of the current cluster candidate
59 Bool_t fivePad; // is this cluster candidate part of a 5 pad cluster (two overlaping clusters)?
60 MaxStruct():row(-1),col(0),time(0),padStatus(0),fivePad(kFALSE)
61 {memset(signals, 0, 3*sizeof(Short_t));}
62 MaxStruct &operator=(const MaxStruct &a)
63 {memcpy(this, &a, sizeof(MaxStruct)); return *this;}
66 AliTRDclusterizer(const AliTRDReconstructor *const rec = 0x0);
67 AliTRDclusterizer(const Text_t* name, const Text_t* title, const AliTRDReconstructor *const rec = 0x0);
68 AliTRDclusterizer(const AliTRDclusterizer &c);
69 virtual ~AliTRDclusterizer();
70 AliTRDclusterizer &operator=(const AliTRDclusterizer &c);
72 void Copy(TObject &c) const;
74 Bool_t Open(const Char_t *name, Int_t nEvent = 0);
75 Bool_t OpenInput(Int_t nEvent = 0);
77 Bool_t OpenOutput(TTree *const clusterTree);
78 Bool_t OpenTrackletOutput();
81 Bool_t ReadDigits(AliRawReader *rawReader);
82 Bool_t ReadDigits(TTree *digitsTree);
84 Bool_t WriteClusters(Int_t det);
85 void ResetRecPoints();
86 virtual TClonesArray *RecPoints();
87 virtual TClonesArray *TrackletsArray();
88 Bool_t WriteTracklets(Int_t det);
90 Bool_t Raw2Clusters(AliRawReader *rawReader);
91 Bool_t Raw2ClustersChamber(AliRawReader *rawReader);
93 Bool_t MakeClusters();
94 Bool_t MakeClusters(Int_t det);
97 Bool_t SetUseLabels(const Bool_t kset) { SetBit(kLabels, kset); return TestBit(kLabels); } // should we assign labels to clusters
98 void SetRawVersion(const Int_t iver) { fRawVersion = iver; } // set the expected raw data version
99 void SetReconstructor(const AliTRDReconstructor *rec) {fReconstructor = rec;}
100 static UChar_t GetStatus(Short_t &signal);
101 Int_t GetAddedClusters() const {return fNoOfClusters;}
102 Int_t GetNTimeBins() const {return fTimeTotal;}
104 Bool_t IsClustersOwner() const {return TestBit(kClOwner);}
105 virtual void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kClOwner, own); if(!own) {fRecPoints = 0x0; fNoOfClusters=0;} }
106 void SetTrackletsOwner(Bool_t own=kTRUE) {SetBit(kTrOwner, own); if(!own) {fTracklets = 0x0; } }
110 void DeConvExp (const Double_t *const source, Double_t *const target
111 ,const Int_t nTimeTotal, const Int_t nexp);
112 void TailCancelation();
114 Float_t Unfold(Double_t eps, Int_t layer, const Double_t *const padSignal) const;
116 void SetPadStatus(const UChar_t status, UChar_t &encoding) const;
117 UChar_t GetPadStatus(UChar_t encoding) const;
118 Int_t GetCorruption(UChar_t encoding) const;
120 Bool_t IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals); //for const correctness reasons not const parameters are given separately
121 Bool_t FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax);
122 void CreateCluster(const MaxStruct &Max);
124 virtual void AddClusterToArray(AliTRDcluster* cluster);
125 virtual void AddTrackletsToArray();
128 inline void CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount);
131 const AliTRDReconstructor *fReconstructor; //! reconstructor
132 AliRunLoader *fRunLoader; //! Run Loader
133 TTree *fClusterTree; //! Tree with the cluster
134 TClonesArray *fRecPoints; //! Array of clusters
135 TClonesArray *fTracklets; //! Array of online tracklets
137 TTree *fTrackletTree; //! Tree for tracklets
139 AliTRDdigitsManager *fDigitsManager; //! TRD digits manager
141 UInt_t **fTrackletContainer; //! tracklet container
143 Int_t fRawVersion; // Expected raw version of the data - default is 2
145 AliTRDtransform *fTransform; //! Transforms the reconstructed space points
147 AliTRDarrayADC *fDigits; // Array holding the digits
148 AliTRDSignalIndex *fIndexes; // Array holding the indexes to the digits
149 Float_t fMaxThresh; // Threshold value for the maximum
150 Float_t fSigThresh; // Threshold value for the digit signal
151 Float_t fMinMaxCutSigma; // Threshold value for the maximum (cut noise)
152 Float_t fMinLeftRightCutSigma; // Threshold value for the sum pad (cut noise)
153 Int_t fLayer; // Current layer of the detector
154 Int_t fDet; // Current detecor
155 UShort_t fVolid; // Volume ID
156 Int_t fColMax; // Number of Colums in one detector
157 Int_t fTimeTotal; // Number of time bins
158 AliTRDCalROC *fCalGainFactorROC; // Calibration object with pad wise values for the gain factors
159 Float_t fCalGainFactorDetValue;// Calibration value for chamber wise noise
160 AliTRDCalROC *fCalNoiseROC; // Calibration object with pad wise values for the noise
161 Float_t fCalNoiseDetValue; // Calibration value for chamber wise noise
162 AliTRDCalSingleChamberStatus *fCalPadStatusROC; // Calibration object with the pad status
163 Int_t fClusterROC; // The index to the first cluster of a given ROC
164 Int_t firstClusterROC; // The number of cluster in a given ROC
165 Int_t fNoOfClusters; // Number of Clusters already processed and still owned by the clusterizer
166 Int_t fBaseline; // Baseline of the ADC values
167 AliTRDrawStreamBase *fRawStream; // Currently used RawStream
169 ClassDef(AliTRDclusterizer,6) // TRD clusterfinder