Remove EVE/Reve/ sub-module.
[u/mrichter/AliRoot.git] / TRD / AliTRDdigitizer.h
CommitLineData
dd9a6ee3 1#ifndef ALITRDDIGITIZER_H
2#define ALITRDDIGITIZER_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
4d18a639 8////////////////////////////////////////////////////////////////////////////
9// //
10// Produces digits from the hits information //
11// //
12////////////////////////////////////////////////////////////////////////////
13
85cbec76 14#include "AliDigitizer.h"
f7336fa3 15
793ff80c 16class TFile;
17class TF1;
18
85cbec76 19class AliRunDigitizer;
88cb7938 20class AliRunLoader;
85cbec76 21
793ff80c 22class AliTRD;
6f1e466d 23class AliTRDdigitsManager;
793ff80c 24class AliTRDgeometry;
ecf39416 25class AliTRDfeeParam;
f7336fa3 26
85cbec76 27class AliTRDdigitizer : public AliDigitizer {
f7336fa3 28
29 public:
30
31 AliTRDdigitizer();
4d18a639 32 AliTRDdigitizer(const Text_t *name, const Text_t *title);
33 AliTRDdigitizer(AliRunDigitizer *manager, const Text_t *name, const Text_t *title);
bfc40adc 34 AliTRDdigitizer(AliRunDigitizer *manager);
dd9a6ee3 35 AliTRDdigitizer(const AliTRDdigitizer &d);
4d18a639 36 virtual ~AliTRDdigitizer();
dd9a6ee3 37 AliTRDdigitizer &operator=(const AliTRDdigitizer &d);
f7336fa3 38
4d18a639 39 virtual void Copy(TObject &d) const;
40 virtual Bool_t InitDetector();
41 void InitOutput(Int_t iEvent);
42 virtual void Exec(Option_t *option = 0);
43 virtual Bool_t Open(const Char_t *file, Int_t nEvent = 0);
95867fd1 44 virtual Bool_t Open(AliRunLoader *runLoader, Int_t nEvent = 0);
4d18a639 45 virtual Bool_t MakeBranch(TTree *tree) const;
46 virtual Bool_t MakeDigits();
47
48 virtual void AddSDigitsManager(AliTRDdigitsManager *manager);
49 virtual void DeleteSDigitsManager();
50 virtual Bool_t ConvertSDigits();
51 virtual Bool_t MergeSDigits();
52 virtual Bool_t SDigits2Digits();
53 virtual Bool_t WriteDigits() const;
54
55 virtual void SetCompress(Int_t c = 1) { fCompress = c; }
56 virtual void SetSDigits(Int_t v = 1) { fSDigits = v; }
57 virtual void SetSDigitsScale(Float_t s) { fSDigitsScale = s; }
58 virtual void SetEvent(Int_t v = 0) { fEvent = v; }
59 virtual void SetManager(AliTRDdigitsManager *man) { fDigitsManager = man; }
60 virtual void SetGeometry(AliTRDgeometry *geo) { fGeo = geo; }
61 virtual void SetMergeSignalOnly(Bool_t m = kTRUE) { fMergeSignalOnly = m; }
62
63 Bool_t GetCompress() const { return fCompress; }
64 Bool_t GetSDigits() const { return fSDigits; }
65 Float_t GetSDigitsScale() const { return fSDigitsScale; }
66 Float_t GetDiffusionT(Float_t vdrift);
67 Float_t GetDiffusionL(Float_t vdrift);
68 Float_t GetLorentzFactor(Float_t vdrift);
69
70 virtual Double_t TimeStruct(Float_t vdrift, Double_t time, Double_t z);
4329977a 71 virtual Int_t Diffusion(Float_t vdrift, Double_t absdriftlength
72 , Double_t &lRow, Double_t &lCol, Double_t &lTime);
73 virtual Int_t ExB(Float_t vdrift, Double_t driftlength, Double_t &lRow);
4d18a639 74
75 AliTRDdigitsManager *Digits() const { return fDigitsManager; }
3551db50 76
3becff3c 77 protected:
f7336fa3 78
4d18a639 79 void SampleTimeStruct(Float_t vdrift);
80 void RecalcDiffusion(Float_t vdrift);
81
f4611fed 82 AliRunLoader *fRunLoader; //! Local pointer
abaf1f1d 83 AliTRDdigitsManager *fDigitsManager; //! Manager for the output digits
84 AliTRDdigitsManager *fSDigitsManager; //! Manager for the summed input s-digits
85 TList *fSDigitsManagerList; //! List of managers of input s-digits
86 AliTRD *fTRD; //! TRD detector class
87 AliTRDgeometry *fGeo; //! TRD geometry
ecf39416 88 AliTRDfeeParam *fFee; // Fee Parameters
4d18a639 89
90 Int_t fEvent; //! Event number
91 Int_t *fMasks; //! Masks for the merging
92 Bool_t fCompress; // Switch to keep only compressed data in memory
93 Bool_t fSDigits; // Switch for the summable digits
94 Float_t fSDigitsScale; // Scale factor for the summable digits
95 Bool_t fMergeSignalOnly; // Merge only detectors that contain a signal
3551db50 96
4d18a639 97 Float_t fDiffLastVdrift; // The structures are valid for fLastVdrift (caching)
98 Float_t fDiffusionT; // Transverse drift coefficient
99 Float_t fDiffusionL; // Longitudinal drift coefficient
100 Float_t fOmegaTau; // Tangens of the Lorentz angle
101 Float_t fLorentzFactor; // Factor due to Lorentz force
102
103 Float_t fTimeLastVdrift; // The structures are valid for fLastVdrift (caching)
324b8ec7 104 Float_t *fTimeStruct1; //! Time Structure of Drift Cells
105 Float_t *fTimeStruct2; //! Time Structure of Drift Cells
4d18a639 106 Float_t fVDlo; // Lower drift velocity, for interpolation
107 Float_t fVDhi; // Higher drift velocity, for interpolation
3551db50 108
3becff3c 109 private:
3551db50 110
4d18a639 111 virtual Bool_t Init();
793ff80c 112
5e4083b7 113 ClassDef(AliTRDdigitizer,15) // Produces TRD-Digits
f7336fa3 114
115};
116
117#endif