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1 | #ifndef ALIITSSIMULATIONSPD_H | |
2 | #define ALIITSSIMULATIONSPD_H | |
3 | ||
4 | /* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * | |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | /* $Id$ */ | |
8 | ||
9 | //////////////////////////////////////////////////////////// | |
10 | // Simulation class for SPD // | |
11 | //////////////////////////////////////////////////////////// | |
12 | ||
13 | #include "TObjArray.h" | |
14 | #include "AliITSsimulation.h" | |
15 | #include "AliITSsegmentationSPD.h" | |
16 | ||
17 | class TH1F; | |
18 | class AliITSmodule; | |
19 | //class AliITSresponseSPD; | |
20 | ||
21 | //------------------------------------------------------------------- | |
22 | ||
23 | class AliITSsimulationSPD : public AliITSsimulation { | |
24 | public: | |
25 | AliITSsimulationSPD(); | |
26 | // AliITSsimulationSPD(AliITSsegmentation *seg,AliITSCalibration *res); | |
27 | AliITSsimulationSPD(AliITSDetTypeSim *dettyp); | |
28 | virtual ~AliITSsimulationSPD(); | |
29 | // copy constructor | |
30 | AliITSsimulationSPD(const AliITSsimulationSPD &source); | |
31 | // ass. operator | |
32 | AliITSsimulationSPD& operator=(const AliITSsimulationSPD &s); | |
33 | // virtual AliITSsimulation& operator=(const AliITSsimulation &source); | |
34 | // Initilizes the variables | |
35 | void Init(); | |
36 | ||
37 | // General User calling routines | |
38 | // Initilize simulation for a specific event and module | |
39 | void InitSimulationModule(Int_t module, Int_t event); | |
40 | // Finish and write S Digitization | |
41 | void FinishSDigitiseModule(); | |
42 | // From hits to Digits, without creating SDigits | |
43 | void DigitiseModule(AliITSmodule *mod,Int_t,Int_t); | |
44 | ||
45 | // More or less Internal Routines | |
46 | // Create S Digits from specific module | |
47 | void SDigitiseModule(AliITSmodule *mod, Int_t mask, Int_t event); | |
48 | // Write S Digits to the tree of SDigits. | |
49 | void WriteSDigits(); | |
50 | // fill pList from hits, charge sharing, diffusion, coupling | |
51 | void HitToSDigit(AliITSmodule *mod); | |
52 | // fill pList from hits, charge sharing, diffusion, coupling (faster method optimized by Bjorne) | |
53 | void HitToSDigitFast(AliITSmodule *mod); | |
54 | // Removes dead pixels from pList | |
55 | void RemoveDeadPixels(AliITSmodule *mod); | |
56 | // Take pList of signals and apply noise... create Digits | |
57 | void FrompListToDigits(); | |
58 | // This set the Lorentz drift of Electrons and Holes: by deafult equal weights to Electrons and Holes | |
59 | void SetLorentzDrift(Bool_t b=kFALSE) | |
60 | {fLorentz=b; if(fLorentz) SetTanLorAngle();}; | |
61 | // This function set the relative contribution between holes and electrons: use 0<=WeightHole<=1 | |
62 | Bool_t SetTanLorAngle(Double_t WeightHole=0.5); | |
63 | // Getter for the Lorentz angle | |
64 | Double_t GetTanLorAngle(){return fTanLorAng;}; | |
65 | // | |
66 | void CreateHistograms(); | |
67 | void FillHistograms(Int_t ix,Int_t iz,Double_t v=1.0); | |
68 | void ResetHistograms(); | |
69 | TH1F* GetHistogram(Int_t i){return (TH1F*)(fHis->At(i));}// get histogram | |
70 | TObjArray* GetHistArray() {return fHis;}// get hist array | |
71 | TString& GetHistName(){return fSPDname;} | |
72 | void SetHistName(TString &n){fSPDname = n;} | |
73 | // | |
74 | // For backwards compatibility | |
75 | void SDigitsToDigits(){ FinishSDigitiseModule();}; | |
76 | void HitToDigit(AliITSmodule *mod){ | |
77 | // Standard interface to DigitiseModule Inputs: AliITSmodule *mod Pointer to this module | |
78 | DigitiseModule(mod,GetModuleNumber(),0);}; | |
79 | ||
80 | private: | |
81 | void SpreadCharge(Double_t x0,Double_t z0,Int_t ix0,Int_t iz0, | |
82 | Double_t el,Double_t sig,Double_t ld,Int_t t,Int_t hi); | |
83 | void SpreadChargeAsym(Double_t x0,Double_t z0,Int_t ix0,Int_t iz0, | |
84 | Double_t el,Double_t sigx,Double_t sigz,Double_t ld,Int_t t,Int_t hi); | |
85 | void UpdateMapSignal(Int_t ix,Int_t iz,Int_t trk,Int_t ht,Double_t signal){ | |
86 | // This function adds a signal to the pList from the pList class | |
87 | // Inputs: iz column number ix row number trk track number ht hit number signal signal strength | |
88 | GetMap()->AddSignal(iz,ix,trk,ht,GetModuleNumber(),signal);}; | |
89 | void UpdateMapNoise(Int_t ix,Int_t iz,Float_t noise){ | |
90 | // This function adds noise to data in the MapA2 as well as the pList | |
91 | // Inputs: iz column number ix row number noise electronic noise generated by FrompListToDigits | |
92 | GetMap()->AddNoise(iz,ix,GetModuleNumber(),noise);} | |
93 | // Get a pointer to the segmentation object | |
94 | virtual AliITSsegmentation* GetSegmentationModel(Int_t /*dt*/){return fDetType->GetSegmentationModel(0);} | |
95 | // set pointer to segmentation objec | |
96 | virtual void SetSegmentationModel(Int_t /*dt*/, AliITSsegmentation *seg){fDetType->SetSegmentationModel(0,seg);} | |
97 | // Bari-Salerno Coupling parameters | |
98 | // "New" coupling routine Tiziano Virgili | |
99 | void SetCoupling(Int_t col,Int_t row,Int_t ntrack,Int_t idhit); | |
100 | // "Old" coupling routine Rocco Caliandro | |
101 | void SetCouplingOld(Int_t col, Int_t row,Int_t ntrack,Int_t idhit); | |
102 | // Getters for data kept in fSegmentation and fResponse. | |
103 | // Returns the Threshold in electrons | |
104 | Double_t GetThreshold(){ | |
105 | Double_t th,sig;AliITSSimuParam* simpar = fDetType->GetSimuParam(); | |
106 | simpar->SPDThresholds(GetModuleNumber(),th,sig);return th;}; | |
107 | // Returns the couplings Columb and Row. | |
108 | void GetCouplings(Double_t &cc,Double_t &cr){ | |
109 | AliITSSimuParam* simpar = fDetType->GetSimuParam(); | |
110 | simpar->GetSPDCouplingParam(cc,cr);}; | |
111 | // Returns the number of pixels in x | |
112 | Int_t GetNPixelsX(){return GetSegmentationModel(0)->Npx();}; | |
113 | // Returns the number of pixels in z | |
114 | Int_t GetNPixelsZ(){return GetSegmentationModel(0)->Npz();}; | |
115 | ||
116 | TObjArray *fHis; //! just in case for histogramming | |
117 | TString fSPDname; //! Histogram name | |
118 | Int_t fCoupling; // Sets the coupling to be used. | |
119 | // ==1 use SetCoupling, ==2 use SetCouplingOld | |
120 | Bool_t fLorentz; // kTRUE if Lorentz drift has been allowed | |
121 | Double_t fTanLorAng; //! Tangent of the Lorentz Angle (weighted average for hole and electrons) | |
122 | ClassDef(AliITSsimulationSPD,3) // Simulation of SPD clusters | |
123 | }; | |
124 | #endif | |
125 |