1 #ifndef ALIITSSIMULATIONSPD_H
2 #define ALIITSSIMULATIONSPD_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 ////////////////////////////////////////////////////////////
8 // Simulation class for SPD //
9 ////////////////////////////////////////////////////////////
11 #include "TObjArray.h"
12 #include "AliITSsimulation.h"
13 #include "AliITSCalibrationSPD.h"
14 #include "AliITSsegmentationSPD.h"
18 class AliITSresponseSPD;
20 //-------------------------------------------------------------------
22 class AliITSsimulationSPD : public AliITSsimulation {
24 AliITSsimulationSPD();
25 // AliITSsimulationSPD(AliITSsegmentation *seg,AliITSCalibration *res);
26 AliITSsimulationSPD(AliITSDetTypeSim *dettyp);
27 virtual ~AliITSsimulationSPD();
29 AliITSsimulationSPD(const AliITSsimulationSPD &source);
31 AliITSsimulationSPD& operator=(const AliITSsimulationSPD &s);
32 virtual AliITSsimulation& operator=(const AliITSsimulation &source);
33 // Initilizes the variables
35 // Get pointers (calObj[]) to the calibration objects
36 // ??? Is there a better way to do this ???
37 void GetCalibrationObjects(Int_t RunNr);
39 // General User calling routines
40 // Initilize simulation for a specific event and module
41 void InitSimulationModule(Int_t module, Int_t event);
42 // Finish and write S Digitization
43 void FinishSDigitiseModule();
44 // From hits to Digits, without creating SDigits
45 void DigitiseModule(AliITSmodule *mod,Int_t,Int_t);
47 // More or less Internal Routines
48 // Create S Digits from specific module
49 void SDigitiseModule(AliITSmodule *mod, Int_t mask, Int_t event);
50 // Write S Digits to the tree of SDigits.
52 // fill pList from hits, charge sharing, diffusion, coupling
53 void HitToSDigit(AliITSmodule *mod);
54 // fill pList from hits, charge sharing, diffusion, coupling (faster method optimized by Bjorne)
55 void HitToSDigitFast(AliITSmodule *mod);
56 // Removes dead pixels from pList
57 void RemoveDeadPixels(AliITSmodule *mod);
58 // Take pList of signals and apply noise... create Digis
59 void FrompListToDigits();
61 void CreateHistograms();
62 void FillHistograms(Int_t ix,Int_t iz,Double_t v=1.0);
63 void ResetHistograms();
64 TH1F* GetHistogram(Int_t i){return (TH1F*)(fHis->At(i));}// get histogram
65 TObjArray* GetHistArray() {return fHis;}// get hist array
66 TString& GetHistName(){return fSPDname;}
67 void SetHistName(TString &n){fSPDname = n;}
69 // For backwards compatibility
70 void SDigitsToDigits(){ FinishSDigitiseModule();};
71 void HitToDigit(AliITSmodule *mod){
72 // Standard interface to DigitiseModule Inputs: AliITSmodule *mod Pointer to this module
73 DigitiseModule(mod,GetModuleNumber(),0);};
76 void SpreadCharge(Double_t x0,Double_t z0,Int_t ix0,Int_t iz0,
77 Double_t el,Double_t sig,Int_t t,Int_t hi);
78 void SpreadChargeAsym(Double_t x0,Double_t z0,Int_t ix0,Int_t iz0,
79 Double_t el,Double_t sigx,Double_t sigz,Int_t t,Int_t hi);
80 void UpdateMapSignal(Int_t ix,Int_t iz,Int_t trk,Int_t ht,Double_t signal){
81 // This function adds a signal to the pList from the pList class
82 // Inputs: iz column number ix row number trk track number ht hit number signal signal strength
83 GetMap()->AddSignal(iz,ix,trk,ht,GetModuleNumber(),signal);};
84 void UpdateMapNoise(Int_t ix,Int_t iz,Float_t noise){
85 // This function adds noise to data in the MapA2 as well as the pList
86 // Inputs: iz column number ix row number noise electronic noise generated by FrompListToDigits
87 GetMap()->AddNoise(iz,ix,GetModuleNumber(),noise);}
88 // Get a pointer to the segmentation object
89 virtual AliITSsegmentation* GetSegmentationModel(Int_t /*dt*/){return fDetType->GetSegmentationModel(0);}
90 // set pointer to segmentation objec
91 virtual void SetSegmentationModel(Int_t /*dt*/, AliITSsegmentation *seg){fDetType->SetSegmentationModel(0,seg);}
92 // Bari-Salerno Coupling parameters
93 // "New" coupling routine Tiziano Virgili
94 void SetCoupling(Int_t col,Int_t row,Int_t ntrack,Int_t idhit);
95 // "Old" coupling routine Rocco Caliandro
96 void SetCouplingOld(Int_t col, Int_t row,Int_t ntrack,Int_t idhit);
97 // Getters for data kept in fSegmentation and fResponse.
98 // Returns the Threshold in electrons
99 Double_t GetThreshold(){
100 Double_t th,sig;AliITSCalibrationSPD* res=(AliITSCalibrationSPD*)GetCalibrationModel(GetModuleNumber());
101 res->Thresholds(th,sig);return th;};
102 // Returns the couplings Columb and Row.
103 void GetCouplings(Double_t &cc,Double_t &cr){
104 AliITSCalibrationSPD* res = (AliITSCalibrationSPD*)GetCalibrationModel(GetModuleNumber());
105 res->GetCouplingParam(cc,cr);};
106 // Returns the number of pixels in x
107 Int_t GetNPixelsX(){return GetSegmentationModel(0)->Npx();};
108 // Returns the number of pixels in z
109 Int_t GetNPixelsZ(){return GetSegmentationModel(0)->Npz();};
111 TObjArray *fHis; //! just in case for histogramming
112 TString fSPDname; //! Histogram name
113 Int_t fCoupling; // Sets the coupling to be used.
114 // ==1 use SetCoupling, ==2 use SetCouplingOld
115 AliITSCalibrationSPD* fCalObj[240]; // Calibration objects (per module)
116 ClassDef(AliITSsimulationSPD,2) // Simulation of SPD clusters