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[u/mrichter/AliRoot.git] / ITS / AliITSsimulationSDD.h
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b0f5e3fc 1#ifndef ALIITSSIMULATIONSDD_H
2#define ALIITSSIMULATIONSDD_H
8a33ae9e 3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
88cb7938 5
8a33ae9e 6/* $Id$ */
1ca7869b 7
b0f5e3fc 8#include <TNtuple.h>
1ca7869b 9#include <TArrayF.h>
10
b0f5e3fc 11#include "AliITSsimulation.h"
b0f5e3fc 12
1ca7869b 13class TH1F;
14class TFile;
15class TVector;
16class TArrayI;
17class TArrayF;
e8189707 18class AliITS;
c7a4dac0 19class AliITSpList;
e8189707 20class AliITSMap;
21class AliITSMapA1;
22class AliITSMapA2;
b0f5e3fc 23class AliITSetfSDD;
c7a4dac0 24class AliITSsegmentationSDD;
e8189707 25class AliITSInStream;
1ca7869b 26class AliITSresponse;
c7a4dac0 27class AliITSresponseSDD;
b0f5e3fc 28
b0f5e3fc 29class AliITSsimulationSDD : public AliITSsimulation {
30
8a33ae9e 31 public:
32 AliITSsimulationSDD(); // default constructor
33 //Standard Constructor
34 AliITSsimulationSDD(AliITSsegmentation *seg, AliITSresponse *res);
35 // Copy opporator
36 AliITSsimulationSDD(AliITSsimulationSDD &source);
37 virtual ~AliITSsimulationSDD(); // Destructor
38 // = opporator
39 AliITSsimulationSDD& operator=(AliITSsimulationSDD &source);
c7a4dac0 40 // Initilize variables for this simulation
41 void Init(AliITSsegmentationSDD *seg,AliITSresponseSDD *resp);
8a33ae9e 42
43 // get the address of the array mapping the signal or pointers to arrays
50d05d7b 44// virtual AliITSMap* HitMap(Int_t i);
8a33ae9e 45
46 // set the scale size factor for the smples in FFT
47 virtual void SetScaleFourier(Int_t scale=4) {fScaleSize=scale;}
48 Int_t ScaleFourier() const {return fScaleSize;} // returns the scale factor
49 // set perpendicular tracks flag
50 virtual void SetPerpendTracksFlag(Bool_t flag=kFALSE) {fFlag=flag;}
51 // returns perpendicular track flag.
52 Bool_t PerpendTracksFlag() const {return fFlag;}
50d05d7b 53 // set crosstalk flag
54 virtual void SetCrosstalkFlag(Bool_t flag=kFALSE) {fCrosstalkFlag=flag;}
55 // return crosstalk flag
56 Bool_t CrosstalkFlag() const {return fCrosstalkFlag;}
8a33ae9e 57 // set compression parameters for 2D or 1D via response functions
58 void SetCompressParam();
59 // retrieve compression parameters for 2D or 1D
60 void CompressionParam(Int_t i, Int_t &db, Int_t &tl, Int_t &th);
61 // retrieve compression parameters for 2D or 1D
62 void CompressionParam(Int_t i, Int_t &db, Int_t &tl);
63
64 virtual Int_t Convert10to8(Int_t signal) const;// 10 to 8 bit SDD compresion
65 virtual Int_t Convert8to10(Int_t signal) const;//undo 10 to 8 bit SDD compresion
66 virtual void ZeroSuppression(const char *opt); // Apply zero suppresion
67 virtual void Init2D(); // initiilzes 2D compresion algorithm
68 virtual void Compress2D(); // Applies 2D compresion algorithm
69 virtual void Init1D(); // initilizes 1D compresion algorithm
70 virtual void Compress1D(); // Applies 1D compresion algorithm
71 virtual void StoreAllDigits(); // if No compresion run this.
72 virtual void ReadBaseline(); // read baseline values from a file
73 // returns baseline and noise for a given anode i.
74 virtual void GetAnodeBaseline(Int_t i, Float_t &baseline, Float_t &noise);
75 // local implementation of ITS->AddDigit. Specific for SDD
76 virtual void AddDigit(Int_t i, Int_t j, Int_t signal);
77 // Finds clulsters of signals. Use with regards to Compresion algorithms
78 virtual void FindCluster(Int_t i, Int_t j,Int_t signal,
79 Int_t minval,Bool_t &cond);
80
81 // get parameters for 1D - this could be changed when we get more
82 // input from Torino after they have a look at the code
83 virtual Int_t Tolerance(Int_t i) {return fTol[i];}//returns tolerance
84 virtual Int_t Disable(Int_t i) {return fT2[i];}//high threshold 2D
85 // Set the output file name - for 1D encoding
86 virtual void SetFileName(const char *filnam) {fFileName=filnam;}
87
88 // add baseline, noise, electronics and ADC saturation effects
48058160 89 void ChargeToSignal(Bool_t bAddNoise=kFALSE);
50d05d7b 90 // add dead channels
91 void ApplyDeadChannels();
92 // add crosstalk effect
93 void ApplyCrosstalk();
94
95 // create maps to build the lists of tracks for each summable digit
96 void InitSimulationModule( Int_t module, Int_t event );
97 // clear maps
98 void ClearMaps();
c7a4dac0 99 // Summable Digitses a SDD module
100 void SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev);
48058160 101 // Add Summable digits to module maps.
102 Bool_t AddSDigitsToModule( TClonesArray *pItemArray, Int_t mask );
50d05d7b 103 // digitize module from the sum of summable digits.
104 void FinishSDigitiseModule();
c7a4dac0 105 // Writes summable digits
50d05d7b 106 void WriteSDigits();
c7a4dac0 107 // Introduces electronics effects and does zero-suppresion if required
50d05d7b 108 void FinishDigits();
8a33ae9e 109 // Digitses a SDD module
110 void DigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev);
c7a4dac0 111 // Spread charge in a SDD module
50d05d7b 112 void HitsToAnalogDigits(AliITSmodule *mod);
8a33ae9e 113 // Sorts tracks for the 3 most highly contributed one to be added to digit.
50d05d7b 114 //void SortTracks(Int_t *tracks,Float_t *charges,Int_t *hits,Int_t ntracks);
8a33ae9e 115 // collects and returns the fired SDD cells (uses AliITSMapA2...).
50d05d7b 116 //void ListOfFiredCells(Int_t *arg,Double_t timeAmplitude,TObjArray *list,
117 // TClonesArray *padr);
8a33ae9e 118
119 // Creates histograms of maps for debugging
120 void CreateHistograms(Int_t scale);
121 // Fills histograms of maps for debugging
122 void FillHistograms();
123 // Resets histograms of maps for debugging
124 void ResetHistograms();
125 // Get the pointer to the array of histograms
126 TObjArray* GetHistArray() {return fHis;}
127 // create a separate tree for background monitoring (2D)
128 virtual void MakeTreeB(Option_t *option="B")
129 { fTreeB = new TNtuple("ntuple","2D backgr","nz:nl:nh:low:anode");}
130 // presently a dummy routine use TreeB() instead
131 void GetTreeB(Int_t) { }
132 // Return pointer to TreeB
133 TNtuple *TreeB() {return fTreeB;}
134 void WriteToFile(TFile *fp);// Writes the histograms to a file
135 // Get's histogram of a particular anode.
136 TH1F *GetAnode(Int_t wing, Int_t anode);
137
138 // Sets the check noise flag.
139 void SetCheckNoise(Bool_t check=kFALSE) {fCheckNoise=check;}
140 // Returns the noise value
141 Float_t GetNoise();
142 // sets DoFFT value.
143 void SetDoFFT(Int_t doFFT=1) {fDoFFT=doFFT;}
144
145 // Print SSD simulation Parameters
146 virtual void Print();
147
148 private:
149 // Variables and pointers for local use only. Not Streamed out.
150 AliITS *fITS; //! local pointer to ITS
50d05d7b 151// AliITSMapA1 *fHitMap1; //! local pointer to map of digits
8a33ae9e 152 AliITSMapA2 *fHitMap2; //! local pointer to map of signals
48058160 153 AliITSMapA2 *fHitSigMap2; //! local pointer to map of signals
154 AliITSMapA2 *fHitNoiMap2; //! local pointer to map of signals
50d05d7b 155// AliITSpList *fpList; //!
156// TObjArray *falist; //
157// TClonesArray *fpadr; //
8a33ae9e 158 AliITSInStream *fStream; //! input file stream
159 AliITSetfSDD *fElectronics; //! local pointer to electronics simulation
160 Double_t *fInZR; //! [fScaleSize*fMaxNofSamples] input of the
161 // real part of FFT
162 Double_t *fInZI; //! [fScaleSize*fMaxNofSamples]
163 // input of the imaginary part of FFT
164 Double_t *fOutZR; //! [fScaleSize*fMaxNofSamples]
165 // output of the real part of FFT
166 Double_t *fOutZI; //! [fScaleSize*fMaxNofSamples]
167 // output of the imaginary part of FFT
43217ad9 168 Bool_t *fAnodeFire; //! [#of anodes] Flag if there is a signal
8a33ae9e 169
170 TObjArray *fHis; // just in case for histogramming
171 TArrayI fD; // decrease values for baseline eq.
172 TArrayI fT1; // low thresholds
173 TArrayI fT2; // high thresholds(2D) or disable (1D)
174 TArrayI fTol; // tolerance
175 TArrayF fBaseline; // Baseline
176 TArrayF fNoise; // Noise value
177 TNtuple *fTreeB; // Background info tree for 2D
178 TString fParam; // Compresion algorithm options
179 TString fFileName; // File name for possible options above
180 Bool_t fFlag; // Flag used to simulate perpendicular tracks
181 Bool_t fCheckNoise; // Flag used to check the simulated noise
50d05d7b 182 Bool_t fCrosstalkFlag; // Flag used to apply the crosstalk effect
8a33ae9e 183 Int_t fDoFFT; // Flag used to switch off electronics when 0
184 Int_t fNofMaps; // Number of anodes used ( 1-2*nanodes per wing )
185 Int_t fMaxNofSamples;// Number of time samples
186 Int_t fScaleSize; // scale size factor for the samples in FFT
50d05d7b 187// Int_t fModule; //! in case bgr,noise,param,change module-by-mod.
188// Int_t fEvent; //! solely for output from bgr monitoring of 2D
95d1e92f 189
b0f5e3fc 190 ClassDef(AliITSsimulationSDD,1) // Simulation of SDD clusters
8a33ae9e 191
b0f5e3fc 192};
193#endif