+ // Parameter classes
+ AliTRDfeeParam *fFeeParam; // FEE parameters
+ AliTRDtrapConfig *fTrapConfig; // TRAP config
+ AliTRDSimParam *fSimParam; // Simulation parameters
+ AliTRDCommonParam *fCommonParam; // common parameters
+ AliTRDcalibDB *fCal; // Calibration interface
+ AliTRDgeometry *fGeo; // Geometry
+
+ AliTRDdigitsManager *fDigitsManager; // pointer to digits manager used for MC label calculation
+
+ // internal filter registers
+ UInt_t* fPedAcc; // Accumulator for pedestal filter
+ UInt_t* fGainCounterA; // Counter for values above FGTA in the gain filter
+ UInt_t* fGainCounterB; // Counter for values above FGTB in the gain filter
+ UShort_t* fTailAmplLong; // Amplitude of the long component in the tail filter
+ UShort_t* fTailAmplShort; // Amplitude of the short component in the tail filter
+
+ // hit detection
+ // individual hits can be stored as MC info
+ struct Hit_t { // Array of detected hits (only available in MC)
+ Int_t fChannel; // ADC channel of the hit
+ Int_t fTimebin; // timebin of the hit
+ Int_t fQtot; // total charge of the hit
+ Int_t fYpos; // calculated y-position
+ Int_t fLabel; // label (only in MC)
+ } fHits[fgkNHitsMC];
+ Int_t fNHits; // Number of detected hits
+
+ // tracklet calculation
+ struct FitReg_t { // pointer to the 18 fit registers
+ Int_t fNhits; // number of hits
+ UInt_t fQ0; // charge accumulated in first window
+ UInt_t fQ1; // charge accumulated in second window
+ UInt_t fSumX; // sum x
+ Int_t fSumY; // sum y
+ UInt_t fSumX2; // sum x**2
+ UInt_t fSumY2; // sum y**2
+ Int_t fSumXY; // sum x*y
+ } *fFitReg;
+
+ //??? cleaning up
+ void Sort2(UShort_t idx1i, UShort_t idx2i, UShort_t val1i, UShort_t val2i,
+ UShort_t *idx1o, UShort_t *idx2o, UShort_t *val1o, UShort_t *val2o) const;
+ void Sort3(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i,
+ UShort_t val1i, UShort_t val2i, UShort_t val3i,
+ UShort_t *idx1o, UShort_t *idx2o, UShort_t *idx3o,
+ UShort_t *val1o, UShort_t *val2o, UShort_t *val3o);
+ void Sort6To4(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, UShort_t idx4i, UShort_t idx5i, UShort_t idx6i,
+ UShort_t val1i, UShort_t val2i, UShort_t val3i, UShort_t val4i, UShort_t val5i, UShort_t val6i,
+ UShort_t *idx1o, UShort_t *idx2o, UShort_t *idx3o, UShort_t *idx4o,
+ UShort_t *val1o, UShort_t *val2o, UShort_t *val3o, UShort_t *val4o);
+ void Sort6To2Worst(UShort_t idx1i, UShort_t idx2i, UShort_t idx3i, UShort_t idx4i, UShort_t idx5i, UShort_t idx6i,
+ UShort_t val1i, UShort_t val2i, UShort_t val3i, UShort_t val4i, UShort_t val5i, UShort_t val6i,
+ UShort_t *idx5o, UShort_t *idx6o);
+
+ UInt_t AddUintClipping(UInt_t a, UInt_t b, UInt_t nbits) const; // Add a and b (unsigned) with clipping to the maximum value representable by nbits
+
+ private:
+ AliTRDmcmSim(const AliTRDmcmSim &m); // not implemented
+ AliTRDmcmSim &operator=(const AliTRDmcmSim &m); // not implemented
+
+ static Bool_t fgApplyCut;
+
+ ClassDef(AliTRDmcmSim,4)