1 #ifndef ALIEMCALRAWUTILS_H
2 #define ALIEMCALRAWUTILS_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 //_________________________________________________________________________
9 // Utility Class for handling Raw data
10 // Does all transitions from Digits to Raw and vice versa,
11 // for simu and reconstruction
13 // Note: the current version is still simplified. Only
14 // one raw signal per digit is generated; either high-gain or low-gain
15 // Need to add concurrent high and low-gain info in the future
16 // No pedestal is added to the raw signal.
18 //*-- Author: Marco van Leeuwen (LBL)
20 #include "TObject.h" // for ROOT types
22 //#include "AliCaloRawStreamV3.h"
23 class AliCaloRawStreamV3;
24 class AliAltroMapping;
28 class AliEMCALGeometry;
30 class AliEMCALRawUtils : public TObject {
33 AliEMCALRawUtils(AliEMCALGeometry *pGeometry);
34 virtual ~AliEMCALRawUtils();
36 AliEMCALRawUtils(const AliEMCALRawUtils& rawUtils); //copy ctor
37 AliEMCALRawUtils& operator =(const AliEMCALRawUtils& rawUtils);
40 void Raw2Digits(AliRawReader *reader,TClonesArray *digitsArr);
42 void AddDigit(TClonesArray *digitsArr, Int_t id, Int_t lowGain, Int_t amp, Float_t time);
44 // Signal shape parameters
45 Double_t GetRawFormatHighLowGainFactor() const { return fHighLowGainFactor ;}
46 Int_t GetRawFormatOrder() const { return fOrder ; }
47 Double_t GetRawFormatTau() const { return fTau ; }
48 Int_t GetNoiseThreshold() const { return fNoiseThreshold; }
49 Int_t GetNPedSamples() const { return fNPedSamples; }
51 void SetRawFormatHighLowGainFactor(Double_t val) {fHighLowGainFactor=val;}
52 void SetRawFormatOrder(Int_t val) {fOrder=val; }
53 void SetRawFormatTau(Double_t val) {fTau=val; }
54 void SetNoiseThreshold(Int_t val) {fNoiseThreshold=val; }
55 void SetNPedSamples(Int_t val) {fNPedSamples=val; }
57 static Int_t GetRawFormatTimeBins() { return fgkTimeBins ; }
58 static Double_t GetRawFormatTimeMax() { return fgkTimeBins*fgTimeBinWidth; }
59 static Double_t GetRawFormatTimeBinWidth() { return fgTimeBinWidth; }
60 static Double_t GetRawFormatTimeBin()
61 { return GetRawFormatTimeMax() / GetRawFormatTimeBins(); }
62 Double_t GetRawFormatTimeTrigger() const { return fgTimeTrigger ; }
63 Int_t GetRawFormatThreshold() const { return fgThreshold ; }
64 Int_t GetRawFormatDDLPerSuperModule() const { return fgDDLPerSuperModule ; }
66 virtual Option_t* GetOption() const { return fOption.Data(); }
67 void SetOption(Option_t* opt) { fOption = opt; }
69 // Signal shape functions
70 void FitRaw(TGraph * gSig, TF1* signalF, Float_t & amp, Float_t & time) const ;
71 static Double_t RawResponseFunction(Double_t *x, Double_t *par);
72 Bool_t RawSampledResponse(Double_t dtime, Double_t damp, Int_t * adcH, Int_t * adcL) const;
76 Double_t fHighLowGainFactor ; // high to low gain factor for the raw RO signal
77 Int_t fOrder ; // order of the gamma function for the RO signal
78 Double_t fTau ; // tau parameter of gamma function for the RO signal
79 Int_t fNoiseThreshold; // threshold to consider signal or noise
80 Int_t fNPedSamples; // number of samples to use in pedestal calculation
82 static const Int_t fgkOverflowCut = 950; // cut to discriminate overflowed channels
83 static const Int_t fgkTimeBins = 256 ; // number of sampling bins of the raw RO signal
84 static const Int_t fgkRawSignalOverflow = 0x3FF; // maximum signal (10 bits)
86 static Double_t fgTimeTrigger ; // time of the trigger for the RO signal
87 static Double_t fgTimeBinWidth; // maximum sampled time of the raw RO signal
88 static Int_t fgThreshold; // threshold
89 static Int_t fgDDLPerSuperModule; // number of DDL per SuperModule
90 static Int_t fgPedestalValue; // pedestal value for Digits2Raw
91 static Double_t fgFEENoise; // electronics noise in ADC units
93 AliEMCALGeometry* fGeom; //geometry
94 AliAltroMapping* fMapping[4]; //only two for now
96 TString fOption; //! option passed from Reconstructor
98 ClassDef(AliEMCALRawUtils,3) // utilities for raw signal fitting