| 1 | #ifndef MARS_MExtractTimeAndChargeSpline
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| 2 | #define MARS_MExtractTimeAndChargeSpline
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| 3 |
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| 4 | #ifndef MARS_MExtractTimeAndCharge
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| 5 | #include "MExtractTimeAndCharge.h"
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| 6 | #endif
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| 7 |
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| 8 | #ifndef MARS_MArrayF
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| 9 | #include "MArrayF.h"
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| 10 | #endif
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| 11 |
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| 12 | class MPedestalPix;
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| 13 | class MExtractTimeAndChargeSpline : public MExtractTimeAndCharge
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| 14 | {
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| 15 |
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| 16 | private:
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| 17 |
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| 18 | static const Byte_t fgHiGainFirst; //! Default for fHiGainFirst (now set to: 2)
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| 19 | static const Byte_t fgHiGainLast; //! Default for fHiGainLast (now set to: 14)
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| 20 | static const Byte_t fgLoGainFirst; //! Default for fLoGainFirst (now set to: 2)
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| 21 | static const Byte_t fgLoGainLast; //! Default for fLoGainLast (now set to: 14)
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| 22 | static const Float_t fgResolution; //! Default for fResolution (now set to: 0.003)
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| 23 | static const Float_t fgRiseTimeHiGain; //! Default for fRiseTime (now set to: 1.5)
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| 24 | static const Float_t fgFallTimeHiGain; //! Default for fFallTime (now set to: 4.5)
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| 25 | static const Float_t fgLoGainStretch; //! Default for fLoGainStretch (now set to: 1.5)
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| 26 | static const Float_t fgOffsetLoGain; //! Default for fOffsetLoGain (now set to 1.7)
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| 27 |
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| 28 | MArrayF fHiGainSignal; //! Need fast access to the signals in a float way
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| 29 | MArrayF fLoGainSignal; //! Store them in separate arrays
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| 30 | MArrayF fHiGainFirstDeriv; //! High-gain discretized first derivatives
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| 31 | MArrayF fLoGainFirstDeriv; //! Low-gain discretized first derivatives
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| 32 | MArrayF fHiGainSecondDeriv; //! High-gain discretized second derivatives
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| 33 | MArrayF fLoGainSecondDeriv; //! Low-gain discretized second derivatives
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| 34 |
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| 35 | Float_t fAbMax; //! Current maximum of the spline
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| 36 | Float_t fAbMaxPos; //! Current position of the maximum of the spline
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| 37 | Float_t fHalfMax; //! Current half maximum of the spline
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| 38 |
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| 39 | Float_t fResolution; // The time resolution in FADC units
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| 40 |
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| 41 | Float_t fRiseTimeHiGain; // The usual rise time of the pulse in the high-gain
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| 42 | Float_t fFallTimeHiGain; // The usual fall time of the pulse in the high-gain
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| 43 | Float_t fRiseTimeLoGain; //! The usual rise time of the pulse in the low-gain
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| 44 | Float_t fFallTimeLoGain; //! The usual fall time of the pulse in the low-gain
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| 45 |
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| 46 | Float_t fLoGainStretch; // The stretch of the low-gain w.r.t. the high-gain pulse
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| 47 |
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| 48 | Int_t fRandomIter; // Counter used to randomize weights for noise calculation
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| 49 |
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| 50 | Byte_t fFlags; // Bit-field to hold the time extraction types
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| 51 |
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| 52 | Int_t ReadEnv(const TEnv &env, TString prefix, Bool_t print);
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| 53 |
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| 54 | Bool_t InitArrays();
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| 55 |
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| 56 | void CalcIntegralHiGain(Float_t &sum, Float_t start, Float_t last);
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| 57 | void CalcIntegralLoGain(Float_t &sum, Float_t start, Float_t last);
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| 58 |
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| 59 | public:
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| 60 |
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| 61 | enum ExtractionType_t { kMaximum, kHalfMaximum,
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| 62 | kAmplitude, kIntegral }; //! Possible time and charge extraction types
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| 63 |
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| 64 | private:
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| 65 |
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| 66 | Bool_t IsExtractionType ( ExtractionType_t typ ) { return TESTBIT(fFlags, typ); }
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| 67 |
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| 68 | public:
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| 69 |
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| 70 | MExtractTimeAndChargeSpline(const char *name=NULL, const char *title=NULL);
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| 71 | ~MExtractTimeAndChargeSpline() {}
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| 72 |
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| 73 | Float_t GetRiseTimeHiGain() const { return fRiseTimeHiGain; }
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| 74 | Float_t GetFallTimeHiGain() const { return fFallTimeHiGain; }
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| 75 |
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| 76 | void SetRange ( Byte_t hifirst=0, Byte_t hilast=0, Byte_t lofirst=0, Byte_t lolast=0 );
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| 77 | void SetResolution ( const Float_t f=fgResolution ) { fResolution = f; }
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| 78 | void SetRiseTimeHiGain( const Float_t f=fgRiseTimeHiGain )
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| 79 | {
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| 80 | fRiseTimeHiGain = f;
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| 81 | fRiseTimeLoGain = f*fLoGainStretch;
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| 82 | fSqrtHiGainSamples = TMath::Sqrt(fNumHiGainSamples);
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| 83 | fWindowSizeHiGain = (Int_t)(fRiseTimeHiGain + fFallTimeHiGain);
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| 84 | }
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| 85 | void SetFallTimeHiGain( const Float_t f=fgFallTimeHiGain )
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| 86 | {
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| 87 | fFallTimeHiGain = f;
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| 88 | fFallTimeLoGain = f*fLoGainStretch;
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| 89 | fNumHiGainSamples = fRiseTimeHiGain + fFallTimeHiGain;
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| 90 | fNumLoGainSamples = fLoGainLast ? fRiseTimeLoGain + fFallTimeLoGain : 0.;
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| 91 | fSqrtLoGainSamples = TMath::Sqrt(fNumLoGainSamples);
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| 92 | fWindowSizeLoGain = (Int_t)(fRiseTimeLoGain + fFallTimeLoGain);
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| 93 | }
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| 94 |
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| 95 | void SetLoGainStretch ( const Float_t f=fgLoGainStretch ) { fLoGainStretch = f; }
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| 96 |
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| 97 | void SetChargeType ( const ExtractionType_t typ=kAmplitude);
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| 98 |
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| 99 | void FindTimeAndChargeHiGain(Byte_t *first, Byte_t *logain, Float_t &sum, Float_t &dsum,
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| 100 | Float_t &time, Float_t &dtime,
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| 101 | Byte_t &sat, const MPedestalPix &ped, const Bool_t abflag);
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| 102 | void FindTimeAndChargeLoGain(Byte_t *first, Float_t &sum, Float_t &dsum,
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| 103 | Float_t &time, Float_t &dtime,
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| 104 | Byte_t &sat, const MPedestalPix &ped, const Bool_t abflag);
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| 105 |
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| 106 | ClassDef(MExtractTimeAndChargeSpline, 2) // Task to Extract Arrival Times and Charges using a Fast Cubic Spline
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| 107 | };
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| 108 |
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| 109 | #endif
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| 110 |
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| 111 |
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| 112 |
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