1 #ifndef ALITRDDIGITIZER_H
2 #define ALITRDDIGITIZER_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ////////////////////////////////////////////////////////////////////////////
10 // Produces digits from the hits information //
12 ////////////////////////////////////////////////////////////////////////////
14 #include "AliDigitizer.h"
19 class AliRunDigitizer;
23 class AliTRDdigitsManager;
25 class AliTRDarraySignal;
28 class AliTRDdigitizer : public AliDigitizer {
33 AliTRDdigitizer(const Text_t *name, const Text_t *title);
34 AliTRDdigitizer(AliRunDigitizer *manager, const Text_t *name, const Text_t *title);
35 AliTRDdigitizer(AliRunDigitizer *manager);
36 AliTRDdigitizer(const AliTRDdigitizer &d);
37 virtual ~AliTRDdigitizer();
38 AliTRDdigitizer &operator=(const AliTRDdigitizer &d);
40 virtual void Copy(TObject &d) const;
41 Bool_t InitDetector();
42 void InitOutput(Int_t iEvent);
43 virtual void Exec(const Option_t * const option = 0);
45 virtual Bool_t Open(const Char_t *file, Int_t nEvent = 0);
46 virtual Bool_t Open(AliRunLoader * const runLoader, Int_t nEvent = 0);
47 virtual Bool_t MakeBranch(TTree *tree) const;
48 virtual Bool_t WriteDigits() const;
50 virtual void AddSDigitsManager(AliTRDdigitsManager *manager);
51 virtual void DeleteSDigitsManager();
53 virtual Bool_t MakeDigits();
55 Bool_t SortHits(Float_t **hits, Int_t *nhit);
56 Bool_t ConvertHits(Int_t det, const Float_t * const hits, Int_t nhit, AliTRDarraySignal *signals);
57 Bool_t ConvertSignals(Int_t det, AliTRDarraySignal *signals);
59 Bool_t Digits2SDigits(AliTRDdigitsManager * const manDig, AliTRDdigitsManager * const manSDig);
60 Bool_t SDigits2Digits();
61 Bool_t MergeSDigits();
62 Bool_t ConvertSDigits();
64 Bool_t Signal2ADC(Int_t det, AliTRDarraySignal *signals);
65 Bool_t Signal2SDigits(Int_t det, AliTRDarraySignal *signals);
66 Bool_t CopyDictionary(Int_t det);
67 void CompressOutputArrays(Int_t det);
69 void SetCompress(Int_t c = 1) { fCompress = c; }
70 void SetSDigits(Int_t v = 1) { fSDigits = v; }
71 void SetEvent(Int_t v = 0) { fEvent = v; }
72 void SetManager(AliTRDdigitsManager * const man) { fDigitsManager = man; }
73 void SetGeometry(AliTRDgeometry * const geo) { fGeo = geo; }
74 void SetMergeSignalOnly(Bool_t m = kTRUE) { fMergeSignalOnly = m; }
76 AliTRDdigitsManager *Digits() const { return fDigitsManager; }
78 Bool_t GetCompress() const { return fCompress; }
79 Bool_t GetSDigits() const { return fSDigits; }
80 Float_t GetLorentzFactor(Float_t vdrift);
82 Int_t Diffusion(Float_t vdrift, Double_t absdriftlength
83 , Double_t &lRow, Double_t &lCol, Double_t &lTime);
84 Int_t ExB(Float_t vdrift, Double_t driftlength, Double_t &lRow);
85 void RunDigitalProcessing(Int_t det = 0);
89 AliRunLoader *fRunLoader; //! Local pointer
90 AliTRDdigitsManager *fDigitsManager; //! Manager for the output digits
91 AliTRDdigitsManager *fSDigitsManager; //! Manager for the summed input s-digits
92 TList *fSDigitsManagerList; //! List of managers of input s-digits
93 AliTRD *fTRD; //! TRD detector class
94 AliTRDgeometry *fGeo; //! TRD geometry
96 Int_t fEvent; //! Event number
97 Int_t *fMasks; //! Masks for the merging
98 Bool_t fCompress; // Switch to keep only compressed data in memory
99 Bool_t fSDigits; // Switch for the summable digits
100 Bool_t fMergeSignalOnly; // Merge only detectors that contain a signal
102 ClassDef(AliTRDdigitizer,20) // Produces TRD-Digits