Put 0.1 as minimal value of the gas gain (Raphaelle)
[u/mrichter/AliRoot.git] / TRD / AliTRDclusterizer.h
CommitLineData
8230f242 1#ifndef ALITRDCLUSTERIZER_H
2#define ALITRDCLUSTERIZER_H
f7336fa3 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
6d50f529 8////////////////////////////////////////////////////////////////////////////
9// //
3fe61b77 10// TRD cluster finder //
6d50f529 11// //
12////////////////////////////////////////////////////////////////////////////
13
f7336fa3 14#include <TNamed.h>
793ff80c 15
16class TFile;
bdbb05bb 17class TTree;
66f6bfd9 18class TClonesArray;
6d50f529 19
88cb7938 20class AliRunLoader;
3fe61b77 21class AliRawReader;
6d50f529 22
bdbb05bb 23class AliTRD;
c85a4951 24class AliTRDcluster;
b65e5048 25
26class AliTRDarrayADC;
27class AliTRDarraySignal;
3fe61b77 28class AliTRDdigitsManager;
29class AliTRDSignalIndex;
30class AliTRDtransform;
31class AliTRDCalROC;
3a039a31 32class AliTRDReconstructor;
1b3a719f 33class AliTRDCalSingleChamberStatus;
8df1f8f5 34class AliTRDrawStream;
fc0882f3 35class AliTRDrecoParam;
b65e5048 36
3a039a31 37class AliTRDclusterizer : public TNamed
38{
b65e5048 39
40 public:
41
66f6bfd9 42 // steering flags
4806451b 43 // bits from 0-13 are reserved by ROOT (see TObject.h)
66f6bfd9 44 enum{
4806451b 45 kTrOwner = BIT(14) // toggle online tracklets ownership
46 ,kClOwner= BIT(15) // toggle cluster ownership
47 ,kLabels = BIT(16) // toggle MC labels for clusters
d03bfe2b 48 ,kSkipTrafo = BIT(17) // skip the coordinate transformation of clusters?
4806451b 49 ,kLUT = BIT(18) // using look up table for cluster's r-phi position
50 ,kGAUS = BIT(19) // using gauss approx. for cluster's r-phi position
51 ,knewDM = BIT(20) // was the digitsmanger created by raw2clusters?
66f6bfd9 52 };
486c2339 53
54 struct MaxStruct
55 {
4dab9275 56 Int_t row; // row of the current cluster candidate
57 Int_t col; // col of the current cluster candidate
58 Int_t time; // time -"-
59 Short_t signals[3]; // signals of the maximum pad and it's twon neigbours
60 UChar_t padStatus; // padStatus of the current cluster candidate
61 Bool_t fivePad; // is this cluster candidate part of a 5 pad cluster (two overlaping clusters)?
615f0826 62 MaxStruct():row(-1),col(0),time(0),padStatus(0),fivePad(kFALSE)
63 {memset(signals, 0, 3*sizeof(Short_t));}
486c2339 64 MaxStruct &operator=(const MaxStruct &a)
6b0d4ad5 65 {memcpy(this, &a, sizeof(MaxStruct)); return *this;}
486c2339 66 };
66f6bfd9 67
486c2339 68 AliTRDclusterizer(const AliTRDReconstructor *const rec = 0x0);
69 AliTRDclusterizer(const Text_t* name, const Text_t* title, const AliTRDReconstructor *const rec = 0x0);
dd9a6ee3 70 AliTRDclusterizer(const AliTRDclusterizer &c);
6d50f529 71 virtual ~AliTRDclusterizer();
dd9a6ee3 72 AliTRDclusterizer &operator=(const AliTRDclusterizer &c);
73
0ab5ff49 74 void Copy(TObject &c) const;
3fe61b77 75
6cd9a21f 76 Bool_t Open(const Char_t *name, Int_t nEvent = 0);
77 Bool_t OpenInput(Int_t nEvent = 0);
78 Bool_t OpenOutput();
e7295a3a 79 Bool_t OpenOutput(TTree *const clusterTree);
3fe61b77 80
6cd9a21f 81 Bool_t ReadDigits();
82 Bool_t ReadDigits(AliRawReader *rawReader);
83 Bool_t ReadDigits(TTree *digitsTree);
3fe61b77 84
6cd9a21f 85 Bool_t WriteClusters(Int_t det);
3d0c7d6d 86 void ResetRecPoints();
87 virtual TClonesArray *RecPoints();
e7295a3a 88 virtual TClonesArray *TrackletsArray();
6cd9a21f 89 Bool_t WriteTracklets(Int_t det);
bdbb05bb 90
6cd9a21f 91 Bool_t Raw2Clusters(AliRawReader *rawReader);
92 Bool_t Raw2ClustersChamber(AliRawReader *rawReader);
3fe61b77 93
6cd9a21f 94 Bool_t MakeClusters();
95 Bool_t MakeClusters(Int_t det);
3fe61b77 96
6cd9a21f 97 Bool_t AddLabels();
b72f4eaf 98 Bool_t SetUseLabels(const Bool_t kset) { SetBit(kLabels, kset); return TestBit(kLabels); } // should we assign labels to clusters
6cd9a21f 99 void SetRawVersion(const Int_t iver) { fRawVersion = iver; } // set the expected raw data version
3a039a31 100 void SetReconstructor(const AliTRDReconstructor *rec) {fReconstructor = rec;}
66f6bfd9 101 static UChar_t GetStatus(Short_t &signal);
e7295a3a 102 Int_t GetAddedClusters() const {return fNoOfClusters;}
293e8ba7 103 Int_t GetNTimeBins() const {return fTimeTotal;}
66f6bfd9 104
8c499dbf 105 Bool_t IsClustersOwner() const {return TestBit(kClOwner);}
29f3223b 106 virtual void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kClOwner, own); if(!own) {fRecPoints = 0x0; fNoOfClusters=0;} }
8c499dbf 107 void SetTrackletsOwner(Bool_t own=kTRUE) {SetBit(kTrOwner, own); if(!own) {fTracklets = 0x0; } }
d03bfe2b 108 void SetSkipTransform(Bool_t b=kTRUE) {SetBit(kSkipTrafo, b); }
3a039a31 109
b72f4eaf 110protected:
b65e5048 111
1ab4da8c 112 void DeConvExp (Short_t *const arr, const Int_t nTime, const Int_t nexp);
fc0882f3 113 void TailCancelation(const AliTRDrecoParam* const recoParam);
064d808d 114
8c499dbf 115 Float_t Unfold(Double_t eps, Int_t layer, const Double_t *const padSignal) const;
6d9e79cc 116
e7295a3a 117 void SetPadStatus(const UChar_t status, UChar_t &encoding) const;
064d808d 118 UChar_t GetPadStatus(UChar_t encoding) const;
119 Int_t GetCorruption(UChar_t encoding) const;
120
1b3a719f 121 Bool_t IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals); //for const correctness reasons not const parameters are given separately
122 Bool_t FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax);
486c2339 123 void CreateCluster(const MaxStruct &Max);
8dbc94c7 124
e7295a3a 125 virtual void AddClusterToArray(AliTRDcluster* cluster);
126 virtual void AddTrackletsToArray();
3fe61b77 127
8dbc94c7 128private:
129 inline void CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount);
130
131protected:
3d0c7d6d 132 const AliTRDReconstructor *fReconstructor; //! reconstructor
3fe61b77 133 AliRunLoader *fRunLoader; //! Run Loader
134 TTree *fClusterTree; //! Tree with the cluster
66f6bfd9 135 TClonesArray *fRecPoints; //! Array of clusters
a5b99acd 136 TClonesArray *fTracklets; //! Array of online tracklets
3fe61b77 137
b65e5048 138 TTree *fTrackletTree; //! Tree for tracklets
9c7c9ec1 139
3fe61b77 140 AliTRDdigitsManager *fDigitsManager; //! TRD digits manager
141
b65e5048 142 UInt_t **fTrackletContainer; //! tracklet container
9c7c9ec1 143
3fe61b77 144 Int_t fRawVersion; // Expected raw version of the data - default is 2
145
3fe61b77 146 AliTRDtransform *fTransform; //! Transforms the reconstructed space points
f7336fa3 147
3d0c7d6d 148 AliTRDarrayADC *fDigits; // Array holding the digits
149 AliTRDSignalIndex *fIndexes; // Array holding the indexes to the digits
1ab4da8c 150 Short_t fMaxThresh; // Threshold value for the maximum
151 Short_t fMaxThreshTest; // Threshold value for the maximum to test agains
152 Short_t fSigThresh; // Threshold value for the digit signal
064d808d 153 Float_t fMinMaxCutSigma; // Threshold value for the maximum (cut noise)
154 Float_t fMinLeftRightCutSigma; // Threshold value for the sum pad (cut noise)
155 Int_t fLayer; // Current layer of the detector
156 Int_t fDet; // Current detecor
157 UShort_t fVolid; // Volume ID
158 Int_t fColMax; // Number of Colums in one detector
159 Int_t fTimeTotal; // Number of time bins
160 AliTRDCalROC *fCalGainFactorROC; // Calibration object with pad wise values for the gain factors
161 Float_t fCalGainFactorDetValue;// Calibration value for chamber wise noise
162 AliTRDCalROC *fCalNoiseROC; // Calibration object with pad wise values for the noise
163 Float_t fCalNoiseDetValue; // Calibration value for chamber wise noise
3d0c7d6d 164 AliTRDCalSingleChamberStatus *fCalPadStatusROC; // Calibration object with the pad status
064d808d 165 Int_t fClusterROC; // The index to the first cluster of a given ROC
166 Int_t firstClusterROC; // The number of cluster in a given ROC
3d0c7d6d 167 Int_t fNoOfClusters; // Number of Clusters already processed and still owned by the clusterizer
615f0826 168 Int_t fBaseline; // Baseline of the ADC values
8df1f8f5 169 AliTRDrawStream *fRawStream; // Raw data streamer
064d808d 170
3d0c7d6d 171 ClassDef(AliTRDclusterizer,6) // TRD clusterfinder
f7336fa3 172
173};
174
f7336fa3 175#endif