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 #include "AliDigitizer.h"
13 class AliRunDigitizer;
17 class AliTRDdigitsManager;
20 ///////////////////////////////////////////////////////
21 // Produces digits from the hits information //
22 ///////////////////////////////////////////////////////
24 class AliTRDdigitizer : public AliDigitizer {
29 AliTRDdigitizer(const Text_t* name, const Text_t* title);
30 AliTRDdigitizer(AliRunDigitizer *manager, const Text_t* name, const Text_t* title);
31 AliTRDdigitizer(AliRunDigitizer *manager);
32 AliTRDdigitizer(const AliTRDdigitizer &d);
33 virtual ~AliTRDdigitizer();
34 AliTRDdigitizer &operator=(const AliTRDdigitizer &d);
36 virtual void Copy(TObject &d) const;
37 virtual Bool_t InitDetector();
38 virtual void Exec(Option_t* option = 0);
39 virtual Bool_t Open(const Char_t *file, Int_t nEvent = 0);
40 virtual Bool_t MakeBranch(TTree* tree) const;
41 virtual Bool_t MakeDigits();
42 virtual void AddSDigitsManager(AliTRDdigitsManager *manager);
43 virtual void DeleteSDigitsManager();
44 virtual Bool_t ConvertSDigits();
45 virtual Bool_t MergeSDigits();
46 virtual Bool_t SDigits2Digits();
47 virtual Bool_t WriteDigits() const;
49 void InitOutput(Int_t iEvent);
51 virtual void SetCompress(Int_t c = 1) { fCompress = c; };
52 virtual void SetSDigits(Int_t v = 1) { fSDigits = v; };
53 virtual void SetSDigitsScale(Float_t s) { fSDigitsScale = s; };
54 virtual void SetEvent(Int_t v = 0) { fEvent = v; };
55 virtual void SetManager(AliTRDdigitsManager *man) { fDigitsManager = man; };
56 virtual void SetGeometry(AliTRDgeometry *geo) { fGeo = geo; };
57 virtual void SetMergeSignalOnly(Bool_t m = kTRUE) { fMergeSignalOnly = m; };
59 AliTRDdigitsManager *Digits() const { return fDigitsManager; };
61 Bool_t GetCompress() const { return fCompress; };
62 Bool_t GetSDigits() const { return fSDigits; };
63 Float_t GetSDigitsScale() const { return fSDigitsScale; };
65 virtual Double_t TimeStruct(Float_t vdrift, Double_t time, Double_t z);
67 Float_t GetDiffusionT(Float_t vdrift);
68 Float_t GetDiffusionL(Float_t vdrift);
69 virtual Int_t Diffusion(Float_t vdrift, Double_t driftlength, Double_t *xyz);
71 Float_t GetLorentzFactor(Float_t vdrift);
72 virtual Int_t ExB(Float_t vdrift, Double_t driftlength, Double_t *xyz);
76 AliRunLoader *fRunLoader; //! Local pointer
77 AliTRDdigitsManager *fDigitsManager; //! Manager for the output digits
78 AliTRDdigitsManager *fSDigitsManager; //! Manager for the summed input s-digits
79 TList *fSDigitsManagerList; //! List of managers of input s-digits
80 AliTRD *fTRD; //! TRD detector class
81 AliTRDgeometry *fGeo; //! TRD geometry
82 Int_t fEvent; //! Event number
83 Int_t *fMasks; //! Masks for the merging
84 Bool_t fCompress; // Switch to keep only compressed data in memory
85 Bool_t fSDigits; // Switch for the summable digits
86 Float_t fSDigitsScale; // Scale factor for the summable digits
87 Bool_t fMergeSignalOnly; // Merge only detectors that contain a signal
89 void SampleTimeStruct(Float_t vdrift);
90 void RecalcDiffusion(Float_t vdrift);
94 Float_t fLastVdrift; //! The structures are valid for fLastVdrift (caching)
95 Float_t fDiffusionT; //! Transverse drift coefficient
96 Float_t fDiffusionL; //! Longitudinal drift coefficient
97 Float_t fOmegaTau; //! Tangens of the Lorentz angle
98 Float_t fLorentzFactor; //! Factor due to Lorentz force
99 } fDiffusionInfo; //! Do not write the structures
103 Float_t fLastVdrift; //! The structures are valid for fLastVdrift (caching)
104 Float_t *fTimeStruct1; //! Time Structure of Drift Cells
105 Float_t *fTimeStruct2; //! Time Structure of Drift Cells
106 Float_t fVDlo; //! Lower drift velocity, for interpolation
107 Float_t fVDhi; //! Higher drift velocity, for interpolation
108 } fTimeStructInfo; //! Do not write the structures
112 virtual Bool_t Init();
114 virtual Bool_t CheckDetector(Int_t plane, Int_t chamber, Int_t sector);
116 ClassDef(AliTRDdigitizer,12) // Produces TRD-Digits