-#ifndef TRDclusterizer_h
-#define TRDclusterizer_h
+#ifndef ALITRDCLUSTERIZER_H
+#define ALITRDCLUSTERIZER_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
/* $Id$ */
+////////////////////////////////////////////////////////////////////////////
+// //
+// TRD cluster finder //
+// //
+////////////////////////////////////////////////////////////////////////////
+
#include <TNamed.h>
-#include <TFile.h>
-///////////////////////////////////////////////////////
-// Finds and handles cluster //
-///////////////////////////////////////////////////////
+class TFile;
+class TTree;
+class TClonesArray;
+
+class AliRunLoader;
+class AliRawReader;
+
+class AliTRD;
+class AliTRDcluster;
-class AliTRDclusterizer : public TNamed {
+class AliTRDarrayADC;
+class AliTRDarraySignal;
+class AliTRDdigitsManager;
+class AliTRDSignalIndex;
+class AliTRDtransform;
+class AliTRDCalROC;
+class AliTRDReconstructor;
+class AliTRDCalSingleChamberStatus;
+
+class AliTRDclusterizer : public TNamed
+{
public:
- AliTRDclusterizer();
- AliTRDclusterizer(const Text_t* name, const Text_t* title);
- ~AliTRDclusterizer();
+ // steering flags
+ enum{
+ kTrOwner= BIT(13) // toggle online tracklets ownership
+ ,kClOwner= BIT(14) // toggle cluster ownership
+ ,kLabels = BIT(15) // toggle MC labels for clusters
+ ,kHLT = BIT(16) // HLT mode
+ ,kLUT = BIT(17) // using look up table for cluster's r-phi position
+ ,kGAUS = BIT(18) // using gauss approx. for cluster's r-phi position
+ };
+
+ struct MaxStruct
+ {
+ Int_t Row;
+ Int_t Col;
+ Int_t Time;
+ UChar_t padStatus;
+ Short_t Signals[3];
+ Bool_t FivePad;
+ MaxStruct():Row(-1),Col(0),Time(0),padStatus(0),FivePad(kFALSE)
+ {memset(Signals, 0, 3*sizeof(Short_t));}
+ MaxStruct &operator=(const MaxStruct &a)
+ {Row=a.Row; Col=a.Col; Time=a.Time; padStatus=a.padStatus; FivePad=a.FivePad;
+ memcpy(Signals, a.Signals, 3*sizeof(Short_t)); return *this;}
+ };
+
+ AliTRDclusterizer(const AliTRDReconstructor *const rec = 0x0);
+ AliTRDclusterizer(const Text_t* name, const Text_t* title, const AliTRDReconstructor *const rec = 0x0);
+ AliTRDclusterizer(const AliTRDclusterizer &c);
+ virtual ~AliTRDclusterizer();
+ AliTRDclusterizer &operator=(const AliTRDclusterizer &c);
+
+ void Copy(TObject &c) const;
+
+ Bool_t Open(const Char_t *name, Int_t nEvent = 0);
+ Bool_t OpenInput(Int_t nEvent = 0);
+ Bool_t OpenOutput();
+ Bool_t OpenOutput(TTree *clusterTree);
+ Bool_t OpenTrackletOutput();
+
+ Bool_t ReadDigits();
+ Bool_t ReadDigits(AliRawReader *rawReader);
+ Bool_t ReadDigits(TTree *digitsTree);
+
+ Bool_t WriteClusters(Int_t det);
+ void ResetRecPoints();
+ virtual TClonesArray *RecPoints();
+ TClonesArray *TrackletsArray();
+ Bool_t WriteTracklets(Int_t det);
+
+ Bool_t Raw2Clusters(AliRawReader *rawReader);
+ Bool_t Raw2ClustersChamber(AliRawReader *rawReader);
- virtual void Init();
- virtual Bool_t Open(const Char_t *name, Int_t nEvent = 0);
- virtual Bool_t MakeCluster() = 0;
- virtual Bool_t WriteCluster();
+ Bool_t MakeClusters();
+ Bool_t MakeClusters(Int_t det);
- protected:
+ Bool_t AddLabels();
+ Bool_t SetUseLabels(const Bool_t kset) { SetBit(kLabels, kset); return TestBit(kLabels); } // should we assign labels to clusters
+ void SetRawVersion(const Int_t iver) { fRawVersion = iver; } // set the expected raw data version
+ void SetReconstructor(const AliTRDReconstructor *rec) {fReconstructor = rec;}
+ static UChar_t GetStatus(Short_t &signal);
+ Int_t GetAddedClusters() {return fNoOfClusters;}
- TFile *fInputFile; //! AliROOT input file
+ Bool_t IsClustersOwner() const {return TestBit(kClOwner);}
+ virtual void SetClustersOwner(Bool_t own=kTRUE) {SetBit(kClOwner, own); if(!own) {fRecPoints = 0x0; fNoOfClusters=0;} }
+ void SetTrackletsOwner(Bool_t own=kTRUE) {SetBit(kTrOwner, own); if(!own) {fTracklets = 0x0; } }
+
+protected:
+
+ void DeConvExp (const Double_t *const source, Double_t *const target
+ ,const Int_t nTimeTotal, const Int_t nexp);
+ void TailCancelation();
+
+ Float_t Unfold(Double_t eps, Int_t layer, Double_t *padSignal) const;
- Int_t fEvent; //! Event number
+ void SetPadStatus(const UChar_t status, UChar_t &encoding);
+ UChar_t GetPadStatus(UChar_t encoding) const;
+ Int_t GetCorruption(UChar_t encoding) const;
+
+ Bool_t IsMaximum(const MaxStruct &Max, UChar_t &padStatus, Short_t *const Signals); //for const correctness reasons not const parameters are given separately
+ Bool_t FivePadCluster(MaxStruct &ThisMax, MaxStruct &NeighbourMax);
+ void CreateCluster(const MaxStruct &Max);
+ inline void CalcAdditionalInfo(const MaxStruct &Max, Short_t *const signals, Int_t &nPadCount);
+ virtual void AddClusterToArray(AliTRDcluster *cluster);
+ inline void AddTrackletsToArray();
+
+ const AliTRDReconstructor *fReconstructor; //! reconstructor
+ AliRunLoader *fRunLoader; //! Run Loader
+ TTree *fClusterTree; //! Tree with the cluster
+ TClonesArray *fRecPoints; //! Array of clusters
+ TClonesArray *fTracklets; //! Array of online tracklets
+
+ TTree *fTrackletTree; //! Tree for tracklets
+
+ AliTRDdigitsManager *fDigitsManager; //! TRD digits manager
+
+ UInt_t **fTrackletContainer; //! tracklet container
+
+ Int_t fRawVersion; // Expected raw version of the data - default is 2
+
+ AliTRDtransform *fTransform; //! Transforms the reconstructed space points
+
+ AliTRDarrayADC *fDigits; // Array holding the digits
+ AliTRDSignalIndex *fIndexes; // Array holding the indexes to the digits
+ Float_t fADCthresh; // ADC thresholds: There is no ADC threshold anymore, and simParam should not be used in clusterizer. KO
+ Float_t fMaxThresh; // Threshold value for the maximum
+ Float_t fSigThresh; // Threshold value for the digit signal
+ Float_t fMinMaxCutSigma; // Threshold value for the maximum (cut noise)
+ Float_t fMinLeftRightCutSigma; // Threshold value for the sum pad (cut noise)
+ Int_t fLayer; // Current layer of the detector
+ Int_t fDet; // Current detecor
+ UShort_t fVolid; // Volume ID
+ Int_t fColMax; // Number of Colums in one detector
+ Int_t fTimeTotal; // Number of time bins
+ AliTRDCalROC *fCalGainFactorROC; // Calibration object with pad wise values for the gain factors
+ Float_t fCalGainFactorDetValue;// Calibration value for chamber wise noise
+ AliTRDCalROC *fCalNoiseROC; // Calibration object with pad wise values for the noise
+ Float_t fCalNoiseDetValue; // Calibration value for chamber wise noise
+ AliTRDCalSingleChamberStatus *fCalPadStatusROC; // Calibration object with the pad status
+ Int_t fClusterROC; // The index to the first cluster of a given ROC
+ Int_t firstClusterROC; // The number of cluster in a given ROC
+ Int_t fNoOfClusters; // Number of Clusters already processed and still owned by the clusterizer
- ClassDef(AliTRDclusterizer,1) // TRD-Cluster manager base class
+ ClassDef(AliTRDclusterizer,6) // TRD clusterfinder
};