--- /dev/null
+#ifndef ALITRDSIMPARAM_H
+#define ALITRDSIMPARAM_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+///////////////////////////////////////////////////////////////////////////////
+// //
+// Class containing constant simulation parameters //
+// //
+///////////////////////////////////////////////////////////////////////////////
+
+/* $Id$ */
+
+#include "TObject.h"
+
+class AliTRDSimParam : public TObject
+{
+
+public:
+ static AliTRDSimParam* Instance();
+ static void Terminate();
+
+ enum { kNplan = 6, kNcham = 5, kNsect = 18, kNdet = 540 };
+
+ AliTRDSimParam(const AliTRDSimParam &p);
+ AliTRDSimParam &operator=(const AliTRDSimParam &p);
+ virtual void Copy(TObject &p) const;
+
+ void SetGasGain(Float_t gasgain) { fGasGain = gasgain; };
+ void SetNoise(Float_t noise) { fNoise = noise; };
+ void SetChipGain(Float_t chipgain) { fChipGain = chipgain; };
+
+ void SetADCoutRange(Float_t range) { fADCoutRange = range; };
+ void SetADCinRange(Float_t range) { fADCinRange = range; };
+ void SetADCthreshold(Int_t thresh) { fADCthreshold = thresh; };
+ void SetADCbaseline(Int_t basel) { fADCbaseline = basel; };
+
+ void SetDiffusion(Int_t diffOn = 1) { fDiffusionOn = diffOn; };
+
+ void SetElAttach(Int_t elOn = 1) { fElAttachOn = elOn; };
+ void SetElAttachProp(Float_t prop) { fElAttachProp = prop; };
+
+ void SetTimeResponse(Int_t trfOn = 1) { fTRFOn = trfOn; ReInit(); };
+
+ void SetCrossTalk(Int_t ctOn = 1) { fCTOn = ctOn; ReInit(); };
+
+ void SetTailCancelation(Int_t tcOn = 1) { fTCOn = tcOn; };
+ void SetNexponential(Int_t nexp) { fTCnexp = nexp; };
+
+ void SetPadCoupling(Float_t v) { fPadCoupling = v; };
+ void SetTimeCoupling(Float_t v) { fTimeCoupling = v; };
+ void SetAnodeWireOffset(Float_t offset = 0.25) { fAnodeWireOffset = offset;};
+ void SetTimeStruct(Bool_t tsOn = 1) { fTimeStructOn = tsOn; };
+
+ Float_t GetGasGain() const { return fGasGain; };
+ Float_t GetNoise() const { return fNoise; };
+ Float_t GetChipGain() const { return fChipGain; };
+
+ Float_t GetADCoutRange() const { return fADCoutRange; };
+ Float_t GetADCinRange() const { return fADCinRange; };
+ Int_t GetADCthreshold() const { return fADCthreshold; };
+ Int_t GetADCbaseline() const { return fADCbaseline; };
+
+ Bool_t DiffusionOn() const { return fDiffusionOn; };
+
+ Bool_t ElAttachOn() const { return fElAttachOn; };
+ Float_t GetElAttachProp() const { return fElAttachProp; };
+
+ Bool_t TRFOn() const { return fTRFOn; };
+ Double_t TimeResponse(Double_t time) const;
+ Float_t GetTRFlo() const { return fTRFlo; };
+ Float_t GetTRFhi() const { return fTRFhi; };
+
+ Bool_t CTOn() const { return fCTOn; };
+ Double_t CrossTalk(Double_t time) const;
+
+ Bool_t TCOn() const { return fTCOn; };
+ Int_t GetTCnexp() const { return fTCnexp; };
+
+ Float_t GetPadCoupling() const { return fPadCoupling; };
+ Float_t GetTimeCoupling() const { return fTimeCoupling; };
+ Float_t GetAnodeWireOffset() const { return fAnodeWireOffset; };
+ Bool_t TimeStructOn() const { return fTimeStructOn; };
+
+protected:
+ static AliTRDSimParam* fgInstance; // Instance of this class (singleton implementation)
+ static Bool_t fgTerminated; // Defines if this class has already been terminated and therefore does not return instances in GetInstance anymore
+
+ // Digitization parameter
+ Float_t fGasGain; // Gas gain
+ Float_t fNoise; // Electronics noise
+ Float_t fChipGain; // Electronics gain
+
+ Float_t fADCoutRange; // ADC output range (number of channels)
+ Float_t fADCinRange; // ADC input range (input charge)
+ Int_t fADCthreshold; // ADC threshold in ADC channel
+ Int_t fADCbaseline; // ADC baseline in ADC chann
+
+ Int_t fDiffusionOn; // Switch for the diffusion
+
+ Int_t fElAttachOn; // Switch for the electron attachment
+ Float_t fElAttachProp; // Propability for electron attachment (for 1m)
+
+ Int_t fTRFOn; // Switch for the time response
+ Float_t *fTRFsmp; //! Integrated time response
+ Int_t fTRFbin; // Number of bins for the TRF
+ Float_t fTRFlo; // Lower boundary of the TRF
+ Float_t fTRFhi; // Higher boundary of the TRF
+ Float_t fTRFwid; // Bin width of the integrated TRF
+
+ Int_t fCTOn; // Switch for cross talk
+ Float_t *fCTsmp; //! Integrated cross talk
+
+ Int_t fTCOn; // Switch for the tail cancelation
+ Int_t fTCnexp; // Number of exponential of the digital filter
+
+ Float_t fAnodeWireOffset; // Distance of first anode wire from pad edge
+ Float_t fPadCoupling; // Pad coupling factor
+ Float_t fTimeCoupling; // Time coupling factor (image charge of moving ions)
+ Int_t fTimeStructOn; // Switch for cell time structure
+
+private:
+ // this is a singleton, constructor is private!
+ AliTRDSimParam();
+ virtual ~AliTRDSimParam();
+
+ void Init();
+ void ReInit();
+ void SampleTRF();
+
+ ClassDef(AliTRDSimParam, 0)
+};
+
+#endif
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