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;
19 class AliTRDparameter;
21 ///////////////////////////////////////////////////////
22 // Produces digits from the hits information //
23 ///////////////////////////////////////////////////////
25 class AliTRDdigitizer : public AliDigitizer {
30 AliTRDdigitizer(const Text_t* name, const Text_t* title);
31 AliTRDdigitizer(AliRunDigitizer *manager, const Text_t* name, const Text_t* title);
32 AliTRDdigitizer(AliRunDigitizer *manager);
33 AliTRDdigitizer(const AliTRDdigitizer &d);
34 virtual ~AliTRDdigitizer();
35 AliTRDdigitizer &operator=(const AliTRDdigitizer &d);
37 virtual void Copy(TObject &d) const;
38 virtual Bool_t InitDetector();
39 virtual void Exec(Option_t* option = 0);
40 virtual Bool_t Open(const Char_t *file, Int_t nEvent = 0);
41 virtual Bool_t MakeBranch(TTree* tree) const;
42 virtual Bool_t MakeDigits();
43 virtual void AddSDigitsManager(AliTRDdigitsManager *manager);
44 virtual void DeleteSDigitsManager();
45 virtual Bool_t ConvertSDigits();
46 virtual Bool_t MergeSDigits();
47 virtual Bool_t SDigits2Digits();
48 virtual Bool_t WriteDigits() const;
50 void InitOutput(Int_t iEvent);
52 virtual void SetCompress(Int_t c = 1) { fCompress = c; };
53 virtual void SetDebug(Int_t v = 1) { fDebug = v; };
54 virtual void SetSDigits(Int_t v = 1) { fSDigits = v; };
55 virtual void SetSDigitsScale(Float_t s) { fSDigitsScale = s; };
56 virtual void SetEvent(Int_t v = 0) { fEvent = v; };
57 virtual void SetManager(AliTRDdigitsManager *man) { fDigitsManager = man; };
58 virtual void SetGeometry(AliTRDgeometry *geo) { fGeo = geo; };
59 virtual void SetParameter(AliTRDparameter *par) { fPar = par; };
60 virtual void SetMergeSignalOnly(Bool_t m = kTRUE) { fMergeSignalOnly = m; };
62 AliTRDdigitsManager *Digits() const { return fDigitsManager; };
64 Bool_t GetCompress() const { return fCompress; };
65 Bool_t GetSDigits() const { return fSDigits; };
66 Float_t GetSDigitsScale() const { return fSDigitsScale; };
67 AliTRDparameter *GetParameter() const { return fPar; };
69 virtual Double_t TimeStruct(Float_t vdrift, Double_t time, Double_t z);
71 Float_t GetDiffusionT(Float_t vdrift);
72 Float_t GetDiffusionL(Float_t vdrift);
73 virtual Int_t Diffusion(Float_t vdrift, Double_t driftlength, Double_t *xyz);
75 Float_t GetLorentzFactor(Float_t vdrift);
76 virtual Int_t ExB(Float_t vdrift, Double_t driftlength, Double_t *xyz);
80 AliRunLoader *fRunLoader; //! Local pointer
81 AliTRDdigitsManager *fDigitsManager; //! Manager for the output digits
82 AliTRDdigitsManager *fSDigitsManager; //! Manager for the summed input s-digits
83 TList *fSDigitsManagerList; //! List of managers of input s-digits
84 AliTRD *fTRD; //! TRD detector class
85 AliTRDgeometry *fGeo; //! TRD geometry
86 AliTRDparameter *fPar; // TRD common parameter object
87 Int_t fEvent; //! Event number
88 Int_t *fMasks; //! Masks for the merging
89 Bool_t fCompress; // Switch to keep only compressed data in memory
90 Int_t fDebug; // Sets the debug level
91 Bool_t fSDigits; // Switch for the summable digits
92 Float_t fSDigitsScale; // Scale factor for the summable digits
93 Bool_t fMergeSignalOnly; // Merge only detectors that contain a signal
94 Bool_t fFixedGeometry; // Switch for the fixed geometry, i.e. without alignment
96 void SampleTimeStruct(Float_t vdrift);
97 void RecalcDiffusion(Float_t vdrift);
101 Float_t fLastVdrift; // the structures are valid for fLastVdrift (caching)
104 Float_t fOmegaTau; // Tangens of the Lorentz angle
105 Float_t fLorentzFactor; // Factor due to Lorentz force
110 Float_t fLastVdrift; // the structures are valid for fLastVdrift (caching)
111 Float_t *fTimeStruct1; //! Time Structure of Drift Cells
112 Float_t *fTimeStruct2; //! Time Structure of Drift Cells
113 Float_t fVDlo; // Lower drift velocity, for interpolation
114 Float_t fVDhi; // Higher drift velocity, for interpolation
119 virtual Bool_t Init();
121 virtual Bool_t CheckDetector(Int_t plane, Int_t chamber, Int_t sector);
123 ClassDef(AliTRDdigitizer,9) // Produces TRD-Digits