-
-public:
-
- AliITSsimulationSDD();
- AliITSsimulationSDD(AliITSsegmentation *seg, AliITSresponse *res);
- AliITSsimulationSDD(AliITSsimulationSDD &source);
- virtual ~AliITSsimulationSDD();
- AliITSsimulationSDD& operator=(AliITSsimulationSDD &source);
-
- // get the address of the array mapping the signal or pointers to arrays
- virtual AliITSMap* HitMap(Int_t i);
-
- // set the scale size factor for the smples in FFT
- virtual void SetScaleFourier(Int_t scale=4) {fScaleSize=scale;}
- Int_t ScaleFourier() {return fScaleSize;}
- // set perpendicular tracks flag
- virtual void SetPerpendTracksFlag(Bool_t flag=1) {fFlag=1;}
- Bool_t PerpendTracksFlag() {return fFlag;}
- // set compression parameters for 2D or 1D via response functions
- void SetCompressParam();
- // retrieve compression parameters for 2D or 1D
- void CompressionParam(Int_t i, Int_t &db, Int_t &tl, Int_t &th);
- void CompressionParam(Int_t i, Int_t &db, Int_t &tl);
-
- virtual Int_t Convert10to8(Int_t signal);
- virtual Int_t Convert8to10(Int_t signal);
- virtual void ZeroSuppression(const char *opt);
- virtual void Init2D();
- virtual void Compress2D();
- virtual void Init1D();
- virtual void Compress1D();
- virtual void StoreAllDigits();
- virtual void ReadBaseline();
- virtual void GetAnodeBaseline(Int_t i, Float_t &baseline, Float_t &noise);
- virtual void AddDigit(Int_t i, Int_t j, Int_t signal);
- virtual void FindCluster
- (Int_t i, Int_t j,Int_t signal,Int_t minval,Bool_t &cond);
-
-
- // get parameters for 1D - this could be changed when we get more
- // input from Torino after they have a look at the code
- virtual Int_t Tolerance(Int_t i) {return fTol[i];}
- virtual Int_t Disable(Int_t i) {return fT2[i];}
- // Set the output file name - for 1D encoding
- virtual void SetFileName(const char *filnam) {fFileName=filnam;}
-
- void ChargeToSignal();
- void DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev);
- void SortTracks(Int_t *tracks,Float_t *charges,Int_t *hits,Int_t ntracks);
- void ListOfFiredCells(Int_t *arg,Double_t timeAmplitude,TObjArray *list,
- TClonesArray *padr);
-
- void CreateHistograms(Int_t scale);
- void FillHistograms();
- void ResetHistograms();
- // Get the pointer to the array of histograms
- TObjArray* GetHistArray() {return fHis;}
-
- // create a separate tree for background monitoring (2D)
- virtual void MakeTreeB(Option_t *option="B")
- { fTreeB = new TNtuple("ntuple","2D backgr","nz:nl:nh:low:anode");}
- void GetTreeB(Int_t) { }
-
- // Return pointer to TreeB
- TNtuple *TreeB() {return fTreeB;}
-
- void WriteToFile(TFile *fp);
- TH1F *GetAnode(Int_t wing, Int_t anode);
- void SetCheckNoise(Bool_t check=kFALSE) {fCheckNoise=check;}
- Float_t GetNoise();
- void SetDoFFT(Int_t doFFT=1) {fDoFFT=doFFT;}
-
-
-private:
- AliITS *fITS; //! local pointer to ITS
-
- AliITSMapA1 *fHitMap1; //! local pointer to map of digits
- AliITSMapA2 *fHitMap2; //! local pointer to map of signals
- AliITSInStream *fStream; //! input file stream
- AliITSetfSDD *fElectronics; //! local pointer to electronics simulation
-
- TArrayI fD; // decrease values for baseline eq.
- TArrayI fT1; // low thresholds
- TArrayI fT2; // high thresholds(2D) or disable (1D)
- TArrayI fTol; // tolerance
- TArrayF fBaseline; // Baseline
- TArrayF fNoise; // Noise value
- TNtuple *fTreeB; // Background info tree for 2D
- TString fParam; // Compresion algorithm options
- TString fFileName; // File name for possible options above
-
- Bool_t fFlag; // Flag used to simulate perpendicular tracks
- Bool_t fCheckNoise; // Flag used to check the simulated noise
- Int_t fDoFFT; // Flag used to switch off electronics when 0
- Int_t fNofMaps; // Number of anodes used ( 1 - 2*nanodes per wing )
- Int_t fMaxNofSamples; // Number of time samples
- Int_t fScaleSize; // scale size factor for the samples in FFT
- Int_t fModule; // in case bgr, noise, param change module-by-module
- Int_t fEvent; // solely for output from bgr monitoring of 2D
-
- TObjArray *fHis; // just in case for histogramming
-
- Double_t *fInZR; // ! [fScaleSize*fMaxNofSamples]
- // input of the real part of FFT
- Double_t *fInZI; // ! [fScaleSize*fMaxNofSamples]
- // input of the imaginary part of FFT
- Double_t *fOutZR; // ! [fScaleSize*fMaxNofSamples]
- // output of the real part of FFT
- Double_t *fOutZI; // ! [fScaleSize*fMaxNofSamples]
- // output of the imaginary part of FFT
-
- ClassDef(AliITSsimulationSDD,1) // Simulation of SDD clusters
+ public:
+ AliITSsimulationSDD(); // default constructor
+ //Standard Constructor
+ AliITSsimulationSDD(AliITSDetTypeSim* dettyp);
+
+ virtual ~AliITSsimulationSDD(); // Destructor
+
+ // virtual AliITSsimulation& operator=(const AliITSsimulation &source);
+ // Initilize variables for this simulation
+ void Init();
+
+ // Get a pointer to the segmentation object
+ virtual AliITSsegmentation* GetSegmentationModel(Int_t /*dt*/){return fDetType->GetSegmentationModel(1);}
+ // set pointer to segmentation object
+ virtual void SetSegmentationModel(Int_t /*dt*/, AliITSsegmentation *seg){fDetType->SetSegmentationModel(1,seg);}
+
+ static Int_t ScaleFourier(const AliITSsegmentationSDD* seg)
+ {if(seg->Npx()==128) {return 8;} else {return 4;}} // returns the scale factor
+ // set perpendicular tracks flag
+ virtual void SetPerpendTracksFlag(Bool_t flag=kFALSE) {fFlag=flag;}
+ // returns perpendicular track flag.
+ Bool_t PerpendTracksFlag() const {return fFlag;}
+ // set crosstalk flag
+ virtual void SetCrosstalkFlag(Bool_t flag=kFALSE) {fCrosstalkFlag=flag;}
+ // return crosstalk flag
+ Bool_t CrosstalkFlag() const {return fCrosstalkFlag;}
+ void FastFourierTransform(Double_t *real, Double_t *imag, Int_t direction);
+ virtual Int_t Convert10to8(Int_t signal) const;//10 to 8 bit SDD compresion
+ virtual Int_t Convert8to10(Int_t signal) const;//8 to 10 bit decompresion
+ virtual void Compress2D(); // Applies 2D compresion algorithm
+ virtual void StoreAllDigits(); // if No compresion run this.
+ // returns baseline and noise for a given anode i.
+ //virtual void GetAnodeBaseline(Int_t i,Double_t &baseline,Double_t &noise) const;
+ // local implementation of ITS->AddDigit. Specific for SDD
+ virtual void AddDigit(Int_t i, Int_t j, Int_t signalc, Int_t signale);
+
+ // add baseline, noise, gain, electronics and ADC saturation effects
+ void ChargeToSignal(Int_t mod,Bool_t bAddNoise=kFALSE, Bool_t bAddGain=kTRUE);
+ // add crosstalk effect
+ void ApplyCrosstalk(Int_t mod);