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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 */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //////////////////////////////////////////////////////////////////////////// | |
9 | // // | |
10 | // TRD cluster finder // | |
11 | // // | |
12 | //////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #include <TNamed.h> | |
15 | ||
16 | class TFile; | |
17 | class TTree; | |
18 | class TClonesArray; | |
19 | ||
20 | class AliRunLoader; | |
21 | class AliRawReader; | |
22 | ||
23 | class AliTRD; | |
24 | class AliTRDcluster; | |
25 | ||
26 | class AliTRDarrayADC; | |
27 | class AliTRDarraySignal; | |
28 | class AliTRDdigitsManager; | |
29 | class AliTRDSignalIndex; | |
30 | class AliTRDtransform; | |
31 | class AliTRDCalROC; | |
32 | class AliTRDReconstructor; | |
33 | class AliTRDCalSingleChamberStatus; | |
34 | class AliTRDrawStreamBase; | |
35 | ||
36 | class AliTRDclusterizer : public TNamed | |
37 | { | |
38 | ||
39 | public: | |
40 | ||
41 | // steering flags | |
42 | enum{ | |
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? | |
50 | }; | |
51 | ||
52 | struct MaxStruct | |
53 | { | |
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;} | |
64 | }; | |
65 | ||
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); | |
71 | ||
72 | void Copy(TObject &c) const; | |
73 | ||
74 | Bool_t Open(const Char_t *name, Int_t nEvent = 0); | |
75 | Bool_t OpenInput(Int_t nEvent = 0); | |
76 | Bool_t OpenOutput(); | |
77 | Bool_t OpenOutput(TTree *const clusterTree); | |
78 | Bool_t OpenTrackletOutput(); | |
79 | ||
80 | Bool_t ReadDigits(); | |
81 | Bool_t ReadDigits(AliRawReader *rawReader); | |
82 | Bool_t ReadDigits(TTree *digitsTree); | |
83 | ||
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); | |
89 | ||
90 | Bool_t Raw2Clusters(AliRawReader *rawReader); | |
91 | Bool_t Raw2ClustersChamber(AliRawReader *rawReader); | |
92 | ||
93 | Bool_t MakeClusters(); | |
94 | Bool_t MakeClusters(Int_t det); | |
95 | ||
96 | Bool_t AddLabels(); | |
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 | ||
103 | Bool_t IsClustersOwner() const {return TestBit(kClOwner);} | |
104 | virtual void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kClOwner, own); if(!own) {fRecPoints = 0x0; fNoOfClusters=0;} } | |
105 | void SetTrackletsOwner(Bool_t own=kTRUE) {SetBit(kTrOwner, own); if(!own) {fTracklets = 0x0; } } | |
106 | ||
107 | protected: | |
108 | ||
109 | void DeConvExp (const Double_t *const source, Double_t *const target | |
110 | ,const Int_t nTimeTotal, const Int_t nexp); | |
111 | void TailCancelation(); | |
112 | ||
113 | Float_t Unfold(Double_t eps, Int_t layer, const Double_t *const padSignal) const; | |
114 | ||
115 | void SetPadStatus(const UChar_t status, UChar_t &encoding) const; | |
116 | UChar_t GetPadStatus(UChar_t encoding) const; | |
117 | Int_t GetCorruption(UChar_t encoding) const; | |
118 | ||
119 | Bool_t IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals); //for const correctness reasons not const parameters are given separately | |
120 | Bool_t FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax); | |
121 | void CreateCluster(const MaxStruct &Max); | |
122 | ||
123 | virtual void AddClusterToArray(AliTRDcluster* cluster); | |
124 | virtual void AddTrackletsToArray(); | |
125 | ||
126 | private: | |
127 | inline void CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount); | |
128 | ||
129 | protected: | |
130 | const AliTRDReconstructor *fReconstructor; //! reconstructor | |
131 | AliRunLoader *fRunLoader; //! Run Loader | |
132 | TTree *fClusterTree; //! Tree with the cluster | |
133 | TClonesArray *fRecPoints; //! Array of clusters | |
134 | TClonesArray *fTracklets; //! Array of online tracklets | |
135 | ||
136 | TTree *fTrackletTree; //! Tree for tracklets | |
137 | ||
138 | AliTRDdigitsManager *fDigitsManager; //! TRD digits manager | |
139 | ||
140 | UInt_t **fTrackletContainer; //! tracklet container | |
141 | ||
142 | Int_t fRawVersion; // Expected raw version of the data - default is 2 | |
143 | ||
144 | AliTRDtransform *fTransform; //! Transforms the reconstructed space points | |
145 | ||
146 | AliTRDarrayADC *fDigits; // Array holding the digits | |
147 | AliTRDSignalIndex *fIndexes; // Array holding the indexes to the digits | |
148 | Float_t fMaxThresh; // Threshold value for the maximum | |
149 | Float_t fSigThresh; // Threshold value for the digit signal | |
150 | Float_t fMinMaxCutSigma; // Threshold value for the maximum (cut noise) | |
151 | Float_t fMinLeftRightCutSigma; // Threshold value for the sum pad (cut noise) | |
152 | Int_t fLayer; // Current layer of the detector | |
153 | Int_t fDet; // Current detecor | |
154 | UShort_t fVolid; // Volume ID | |
155 | Int_t fColMax; // Number of Colums in one detector | |
156 | Int_t fTimeTotal; // Number of time bins | |
157 | AliTRDCalROC *fCalGainFactorROC; // Calibration object with pad wise values for the gain factors | |
158 | Float_t fCalGainFactorDetValue;// Calibration value for chamber wise noise | |
159 | AliTRDCalROC *fCalNoiseROC; // Calibration object with pad wise values for the noise | |
160 | Float_t fCalNoiseDetValue; // Calibration value for chamber wise noise | |
161 | AliTRDCalSingleChamberStatus *fCalPadStatusROC; // Calibration object with the pad status | |
162 | Int_t fClusterROC; // The index to the first cluster of a given ROC | |
163 | Int_t firstClusterROC; // The number of cluster in a given ROC | |
164 | Int_t fNoOfClusters; // Number of Clusters already processed and still owned by the clusterizer | |
165 | Int_t fBaseline; // Baseline of the ADC values | |
166 | AliTRDrawStreamBase *fRawStream; // Currently used RawStream | |
167 | ||
168 | ClassDef(AliTRDclusterizer,6) // TRD clusterfinder | |
169 | ||
170 | }; | |
171 | ||
172 | #endif |