| 1 | #ifndef MARS_MAvalanchePhotoDiode
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| 2 | #define MARS_MAvalanchePhotoDiode
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| 3 |
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| 4 | #ifndef ROOT_TH2
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| 5 | #include <TH2.h>
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| 6 | #endif
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| 7 |
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| 8 | class APD : public TObject // FIXME: Derive from TH2?
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| 9 | {
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| 10 | private:
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| 11 | TH2F fHist;
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| 12 |
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| 13 | Float_t fCrosstalkProb; // Probability that a converted photon creates another one in a neighboring cell
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| 14 | Float_t fDeadTime; // Deadtime of a single cell after a hit
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| 15 | Float_t fRecoveryTime; // Recoverytime after Deadtime (1-exp(-t/fRecoveryTime)
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| 16 |
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| 17 | Float_t HitCellImp(Int_t x, Int_t y, Float_t t=0);
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| 18 |
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| 19 | public:
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| 20 | APD(Int_t n, Float_t prob=0, Float_t dt=0, Float_t rt=0);
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| 21 |
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| 22 | Float_t HitCell(Int_t x, Int_t y, Float_t t=0);
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| 23 | Float_t HitRandomCell(Float_t t=0);
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| 24 |
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| 25 | void FillEmpty(Float_t t=0);
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| 26 | void FillRandom(Float_t rate, Float_t t=0);
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| 27 |
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| 28 | Int_t CountDeadCells(Float_t t=0) const;
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| 29 | Int_t CountRecoveringCells(Float_t t=0) const;
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| 30 |
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| 31 | Float_t GetCellContent(Int_t x, Int_t y) const { return fHist.GetBinContent(x, y); }
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| 32 | Int_t GetNumCellsX() const { return fHist.GetNbinsX(); }
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| 33 |
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| 34 | Float_t GetCrosstalkProb() const { return fCrosstalkProb; }
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| 35 | Float_t GetDeadTime() const { return fDeadTime; }
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| 36 | Float_t GetRecoveryTime() const { return fRecoveryTime; }
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| 37 |
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| 38 | void Draw(Option_t *o="") { fHist.Draw(o); }
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| 39 | void DrawCopy(Option_t *o="") { fHist.DrawCopy(o); }
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| 40 |
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| 41 | ClassDef(APD, 1) // An object representing a Geigermode APD
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| 42 | };
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| 43 |
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| 44 | #endif
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