1 #ifndef ALITRDCALIBDB_H
2 #define ALITRDCALIBDB_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 ///////////////////////////////////////////////////////////////////////////////
8 // Class providing the calibration parameters by accessing the CDB //
10 ///////////////////////////////////////////////////////////////////////////////
19 class AliTRDCalMonitoring;
21 class AliTRDcalibDB : public TObject {
30 static AliTRDcalibDB *Instance();
31 static void Terminate();
33 void SetRun(Long64_t run);
34 Long64_t GetRun() { return fRun; }
36 Float_t GetVdrift(Int_t det, Int_t col, Int_t row);
37 Float_t GetVdriftAverage(Int_t det);
39 Float_t GetT0(Int_t det, Int_t col, Int_t row);
40 Float_t GetT0Average(Int_t det);
42 Float_t GetGainFactor(Int_t det, Int_t col, Int_t row);
43 Float_t GetGainFactorAverage(Int_t det);
45 Float_t GetPRFWidth(Int_t det, Int_t col, Int_t row);
47 Int_t GetNumberOfTimeBins();
49 Char_t GetPadStatus(Int_t det, Int_t col, Int_t row);
50 Char_t GetChamberStatus(Int_t det);
52 Bool_t IsPadMasked(Int_t det, Int_t col, Int_t row);
53 Bool_t IsPadBridgedLeft(Int_t det, Int_t col, Int_t row);
54 Bool_t IsPadBridgedRight(Int_t det, Int_t col, Int_t row);
56 Bool_t IsChamberInstalled(Int_t det);
57 Bool_t IsChamberMasked(Int_t det);
59 const AliTRDCalMonitoring *GetMonitoringObject();
60 const AliTRDCalPIDLQ *GetPIDLQObject();
62 // Related functions, these depend on calibration data
63 static Float_t GetOmegaTau(Float_t vdrift, Float_t bz);
64 Int_t PadResponse(Double_t signal, Double_t dist, Int_t plane, Double_t *pad) const;
68 // For caching see also implentation of GetCachedCDBObject in the .cxx file
69 enum { kCDBCacheSize = 15 }; // Number of cached objects
70 enum { kIDVdriftPad = 0
75 , kIDGainFactorChamber
84 , kIDPadStatus }; // IDs of cached objects
86 const TObject* GetCachedCDBObject(Int_t id);
91 AliCDBEntry *GetCDBEntry(const Char_t *cdbPath);
92 const TObject *CacheCDBEntry(Int_t id, const Char_t *cdbPath);
94 static AliTRDcalibDB *fgInstance; // Instance of this class (singleton implementation)
95 static Bool_t fgTerminated; // Defines if this class has already been terminated
97 AliCDBEntry *fCDBEntries[kCDBCacheSize]; // Cache for CDB entries
98 TObject *fCDBCache[kCDBCacheSize]; // Cache for calibration objects.
100 Long64_t fRun; // Run Number
102 Float_t *fPRFsmp; //! Sampled pad response
103 Int_t fPRFbin; // Number of bins for the PRF
104 Float_t fPRFlo; // Lower boundary of the PRF
105 Float_t fPRFhi; // Higher boundary of the PRF
106 Float_t fPRFwid; // Bin width of the sampled PRF
107 Int_t fPRFpad; // Distance to next pad in PRF
111 AliTRDcalibDB(); // This is a singleton, constructor is private!
112 AliTRDcalibDB(const AliTRDcalibDB &c);
113 AliTRDcalibDB &operator=(const AliTRDcalibDB &c);
114 virtual ~AliTRDcalibDB();
116 ClassDef(AliTRDcalibDB,3) // Provides central access to the CDB