#ifndef ALIITSSIMULATIONSDD_H
#define ALIITSSIMULATIONSDD_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
-#include <TH1.h>
-#include <TFile.h>
-#include <TNtuple.h>
-#include <TRandom.h>
-#include <TVector.h>
-#include <TArrayI.h>
-
-#include "AliITSsimulation.h"
-
-//___________________________________________________
+/* $Id$ */
+////////////////////////////////////////////////////////////
+// Simulation class for SDD //
+////////////////////////////////////////////////////////////
+#include <TNtuple.h>
+#include "AliITSsimulation.h"
+#include "AliITSsegmentationSDD.h"
+class TH1F;
+class TFile;
+class TArrayI;
+class TArrayF;
class AliITS;
+class AliITSpList;
class AliITSMap;
class AliITSMapA1;
class AliITSMapA2;
class AliITSetfSDD;
-class AliITSInStream;
-
-//___________________________________________________
+class AliITSCalibration;
+class AliITSCalibrationSDD;
class AliITSsimulationSDD : public AliITSsimulation {
-
-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();
- 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);
- Float_t GetNoise(Float_t threshold);
-
-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 to simulate perpendicular tracks
- 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);
+ // create maps to build the lists of tracks for each summable digit
+ void InitSimulationModule( Int_t module, Int_t event );
+ // clear maps
+ void ClearMaps();
+ // Summable Digitses a SDD module
+ void SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev);
+ // Add Summable digits to module maps.
+ Bool_t AddSDigitsToModule( TClonesArray *pItemArray, Int_t mask );
+ // digitize module from the sum of summable digits.
+ void FinishSDigitiseModule();
+ // Writes summable digits
+ void WriteSDigits();
+ // Introduces electronics effects and does zero-suppresion if required
+ void FinishDigits();
+ // Digitses a SDD module
+ void DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev);
+ // Spread charge in a SDD module
+ void HitsToAnalogDigits(AliITSmodule *mod);
+ // Sorts tracks for the 3 most highly contributed one to be added to digit.
+ //void SortTracks(Int_t *tracks,Float_t *charges,Int_t *hits
+ // Int_t ntracks);
+ // collects and returns the fired SDD cells (uses AliITSMapA2...).
+ //void ListOfFiredCells(Int_t *arg,Double_t timeAmplitude,TObjArray *list,
+ // TClonesArray *padr);
+
+ // Creates histograms of maps for debugging
+ void CreateHistograms(Int_t scale);
+ // Fills histograms of maps for debugging
+ void FillHistograms();
+ // Resets histograms of maps for debugging
+ void ResetHistograms();
+ // Get the pointer to the array of histograms
+ TObjArray* GetHistArray() {return fHis;}
+ void WriteToFile(TFile *fp);// Writes the histograms to a file
+ // Get's histogram of a particular anode.
+ TH1F *GetAnode(Int_t wing, Int_t anode);
+
+ // sets DoFFT value.
+ void SetDoFFT(Int_t doFFT=1) {fDoFFT=doFFT;}
+
+ // Print SSD simulation Parameters
+ virtual void PrintStatus() const;
+
+ private:
+ AliITSsimulationSDD(const AliITSsimulationSDD &source);
+ AliITSsimulationSDD& operator=(const AliITSsimulationSDD &source);
+
+ // virtual void GetBaseline(Int_t mod); // read baseline values from a file
+ // Variables and pointers for local use only. Not Streamed out.
+ AliITS *fITS; //! local pointer to ITS
+ AliITSMapA2 *fHitMap2; //! local pointer to map of signals
+ AliITSMapA2 *fHitSigMap2; //! local pointer to map of signals
+ AliITSMapA2 *fHitNoiMap2; //! local pointer to map of signals
+ AliITSetfSDD *fElectronics; //! local pointer to electronics simulation
+ 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
+ Bool_t *fAnodeFire; //! [#of anodes] Flag if there is a signal
+
+ TObjArray *fHis; // just in case for histogramming
+ Bool_t fFlag; // Flag used to simulate perpendicular tracks
+ Bool_t fCrosstalkFlag; // Flag used to apply the crosstalk effect
+ 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
+
+ ClassDef(AliITSsimulationSDD,3) // Simulation of SDD clusters
+
};
#endif
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