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b0f5e3fc | 1 | #ifndef ALIITSSIMULATIONSPD_H |
2 | #define ALIITSSIMULATIONSPD_H | |
c7a4dac0 | 3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ | |
b0f5e3fc | 5 | |
c7a4dac0 | 6 | /* |
7 | $Id$ | |
8 | */ | |
9 | #include "AliITSresponseSPD.h" | |
10 | #include "AliITSsegmentationSPD.h" | |
b0f5e3fc | 11 | #include "AliITSsimulation.h" |
12 | ||
13 | class AliITSMapA2; | |
c7a4dac0 | 14 | class AliITSpList; |
b0f5e3fc | 15 | class AliITSmodule; |
16 | ||
17 | //------------------------------------------------------------------- | |
18 | ||
19 | class AliITSsimulationSPD : public AliITSsimulation { | |
20 | ||
c7a4dac0 | 21 | public: |
22 | AliITSsimulationSPD(); // Default constructor | |
23 | // Standard constructor | |
24 | AliITSsimulationSPD(AliITSsegmentation *seg, AliITSresponse *res); | |
25 | ~AliITSsimulationSPD();// destructor | |
26 | AliITSsimulationSPD(const AliITSsimulationSPD &source); // copy constructo | |
27 | // assignment operator | |
28 | AliITSsimulationSPD& operator=(const AliITSsimulationSPD &source); | |
d2f55a22 | 29 | virtual AliITSsimulationSPD& operator=(const AliITSsimulation &source); |
c7a4dac0 | 30 | // Initilizes the variables |
aacedc3e | 31 | void Init(); |
32 | // Initilizes the variables with replacement segmentation/response class | |
c7a4dac0 | 33 | void Init(AliITSsegmentationSPD *seg, AliITSresponseSPD *resp); |
b0f5e3fc | 34 | |
c7a4dac0 | 35 | // Sum digitize module |
3a97c582 | 36 | // Create maps to build the lists of tracks for each summable digit |
37 | void InitSimulationModule(Int_t module,Int_t events); | |
3a97c582 | 38 | // Digitize module from the sum of summable digits. |
39 | void FinishSDigitiseModule(); | |
c7a4dac0 | 40 | void SDigitiseModule(AliITSmodule *mod, Int_t dummy0,Int_t dummy1); |
41 | // digitize module. Also need to digitize modules with only noise. | |
42 | void DigitiseModule(AliITSmodule *mod,Int_t dummy0, Int_t dummy1); | |
43 | // sum digits to Digits. | |
44 | void SDigitsToDigits(Int_t module,AliITSpList *pList); | |
45 | // updates the Map of signal, adding the energy (ene) released by | |
46 | // the current track | |
47 | void UpdateMapSignal(Int_t row,Int_t col,Int_t trk,Int_t hit,Int_t mod, | |
48 | Double_t ene,AliITSpList *pList); | |
49 | // updates the Map of noise, adding the energy (ene) give my noise | |
50 | void UpdateMapNoise(Int_t row,Int_t col,Int_t mod,Double_t ene, | |
51 | AliITSpList *pList); | |
52 | // Loops over all hits to produce Analog/floting point digits. This | |
53 | // is also the first task in producing standard digits. | |
54 | void HitsToAnalogDigits(AliITSmodule *mod,Int_t *frowpixel, | |
55 | Int_t *fcolpixel,Double_t *fenepixel, | |
56 | AliITSpList *pList); | |
57 | // Steering function to determine the digits associated to a given | |
58 | // hit (hitpos) | |
59 | // The digits are created by charge sharing (ChargeSharing) and by | |
60 | // capacitive coupling (SetCoupling). At all the created digits is | |
61 | // associated the track number of the hit (ntrack) | |
62 | void HitToDigit(AliITSmodule *mod, Int_t hitpos,Int_t *frowpixel, | |
63 | Int_t *fcolpixel, Double_t *fenepixel,AliITSpList *pList); | |
64 | // Take into account the geometrical charge sharing when the track | |
65 | // crosses more than one pixel. | |
66 | void ChargeSharing(Float_t x1l,Float_t z1l,Float_t x2l,Float_t z2l, | |
67 | Int_t c1,Int_t r1,Int_t c2,Int_t r2,Float_t etot, | |
68 | Int_t &npixel,Int_t *frowpixel,Int_t *fcolpixel, | |
69 | Double_t *fenepixel); | |
70 | // Take into account the coupling between adiacent pixels. | |
71 | // The parameters probcol and probrow are the fractions of the | |
72 | // signal in one pixel shared in the two adjacent pixels along | |
f8d9a5b8 | 73 | // the column and row direction, respectively. Now done in a statistical |
74 | // way and not "mechanical" as in the Old version. | |
c7a4dac0 | 75 | void SetCoupling(Int_t row,Int_t col,Int_t ntrack,Int_t idhit,Int_t module, |
76 | AliITSpList *pList); | |
f8d9a5b8 | 77 | // Take into account the coupling between adiacent pixels. |
78 | // The parameters probcol and probrow are the fractions of the | |
79 | // signal in one pixel shared in the two adjacent pixels along | |
80 | // the column and row direction, respectively. | |
81 | void SetCouplingOld(Int_t row,Int_t col,Int_t ntrack,Int_t idhit, | |
82 | Int_t module,AliITSpList *pList); | |
c7a4dac0 | 83 | // The pixels are fired if the energy deposited inside them is above |
84 | // the threshold parameter ethr. Fired pixed are interpreted as digits | |
85 | // and stored in the file digitfilename. One also needs to write out | |
86 | // cases when there is only noise (nhits==0). | |
87 | void CreateDigit(Int_t module,AliITSpList *pList); | |
88 | // Set the electronic noise and threshold non-uniformities to all the | |
89 | // pixels in a detector. | |
90 | // The parameter fSigma is the squared sum of the sigma due to noise | |
91 | // and the sigma of the threshold distribution among pixels. | |
92 | void SetFluctuations(AliITSpList *pList,Int_t module); | |
93 | // Apply a mask to the SPD module. 1% of the pixel channels are | |
94 | // masked. When the database will be ready, the masked pixels | |
95 | // should be read from it. | |
96 | void SetMask(); | |
97 | // Create Histograms | |
98 | void CreateHistograms(); | |
99 | // Reset histograms for this detector | |
100 | void ResetHistograms(); | |
101 | // Fills the Summable digits Tree | |
102 | void WriteSDigits(AliITSpList *pList); | |
103 | // Fills fMap2A from the pList of Summable digits | |
104 | void FillMapFrompList(AliITSpList *pList); | |
b0f5e3fc | 105 | // get hist array |
c7a4dac0 | 106 | TObjArray* GetHistArray() {return fHis;} |
b0f5e3fc | 107 | |
c7a4dac0 | 108 | private: |
109 | // Getters for data kept in fSegmentation and fResponse. | |
110 | // Returns the Threshold in electrons | |
aacedc3e | 111 | Double_t GetThreshold(){Double_t a=0.0,b=0.0; |
c7a4dac0 | 112 | ((AliITSresponseSPD*)fResponse)->Thresholds(a,b); return a;} |
113 | // Returns the threshold and rms noise. | |
aacedc3e | 114 | void GetThresholds(Double_t &t,Double_t &s){ |
c7a4dac0 | 115 | ((AliITSresponseSPD*)fResponse)->Thresholds(t,s);} |
116 | // Returns the couplings Columb and Row. | |
aacedc3e | 117 | void GetCouplings(Double_t &cc,Double_t &cr){ |
118 | ((AliITSresponseSPD*)fResponse)->GetCouplingParam(cc,cr);} | |
c7a4dac0 | 119 | // Returns the number of pixels in x |
120 | Int_t GetNPixelsX(){return ((AliITSsegmentationSPD*)fSegmentation)->Npx();} | |
121 | // Returns the number of pixels in z | |
122 | Int_t GetNPixelsZ(){return ((AliITSsegmentationSPD*)fSegmentation)->Npz();} | |
b0f5e3fc | 123 | |
c7a4dac0 | 124 | private: |
c7a4dac0 | 125 | AliITSMapA2 *fMapA2; //! MapA2 for Local internal use only |
126 | TObjArray *fHis; //! just in case for histogramming for Local | |
127 | // internal use only | |
b0f5e3fc | 128 | |
c7a4dac0 | 129 | ClassDef(AliITSsimulationSPD,1) // Simulation of SPD clusters |
b0f5e3fc | 130 | |
131 | }; | |
132 | ||
c7a4dac0 | 133 | #endif |