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Commit | Line | Data |
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20623db1 | 1 | Int_t AliITSHits2Digits() |
2 | { | |
3 | ||
4 | // Connect the Root Galice file containing Geometry, Kine and Hits | |
5 | ||
6 | const char * inFile = "galice.root"; | |
7 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(inFile); | |
8 | if (file) {file->Close(); delete file;} | |
9 | printf("Hits2Digits\n"); | |
10 | file = new TFile(inFile,"UPDATE"); | |
11 | if (!file->IsOpen()) { | |
12 | cerr<<"Can't open "<<inFile<<" !\n"; | |
13 | return 1; | |
14 | } | |
15 | file->ls(); | |
16 | ||
17 | // Get AliRun object from file or return if not on file | |
18 | if (gAlice) delete gAlice; | |
19 | gAlice = (AliRun*)file->Get("gAlice"); | |
20 | if (!gAlice) { | |
21 | cerr<<"ITSHits2Digits.C : AliRun object not found on file\n"; | |
22 | return 2; | |
23 | } | |
24 | ||
25 | gAlice->GetEvent(0); | |
26 | AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS"); | |
27 | if (!ITS) { | |
28 | cerr<<"ITSHits2Digits.C : AliITS object not found on file\n"; | |
29 | return 3; | |
30 | } | |
31 | ||
32 | // Set the simulation models for the three detector types | |
33 | AliITSgeom *geom = ITS->GetITSgeom(); | |
34 | ||
35 | // SPD | |
36 | AliITSDetType *iDetType=ITS->DetType(0); | |
37 | AliITSsegmentationSPD *seg0=(AliITSsegmentationSPD*)iDetType->GetSegmentationModel(); | |
38 | AliITSresponseSPD *res0 = (AliITSresponseSPD*)iDetType->GetResponseModel(); | |
39 | AliITSsimulationSPD *sim0=new AliITSsimulationSPD(seg0,res0); | |
40 | ITS->SetSimulationModel(0,sim0); | |
41 | // test | |
42 | printf("SPD dimensions %f %f \n",seg0->Dx(),seg0->Dz()); | |
43 | printf("SPD npixels %d %d \n",seg0->Npz(),seg0->Npx()); | |
44 | printf("SPD pitches %d %d \n",seg0->Dpz(0),seg0->Dpx(0)); | |
45 | // end test | |
46 | ||
47 | // SDD | |
48 | //Set response functions | |
49 | Float_t baseline = 10.; | |
50 | Float_t noise = 1.75; | |
51 | ||
b9381d0c | 52 | // SDD compression param: 2 fDecrease, 2fTmin, 2fTmax or disable, 2 fTolerance |
af4af6f5 | 53 | AliITSDetType *iDetType=ITS->DetType(1); |
54 | AliITSresponseSDD *res1 = (AliITSresponseSDD*)iDetType->GetResponseModel(); | |
55 | if (!res1) { | |
56 | res1=new AliITSresponseSDD(); | |
57 | ITS->SetResponseModel(1,res1); | |
58 | } | |
b9381d0c | 59 | res1->SetMagicValue(900.); |
af4af6f5 | 60 | |
b9381d0c | 61 | Float_t maxadc = res1->MaxAdc(); |
62 | Float_t topValue = res1->MagicValue(); | |
63 | Float_t norm = maxadc/topValue; | |
20623db1 | 64 | |
b9381d0c | 65 | Float_t fCutAmp = baseline + 2.*noise; |
66 | fCutAmp *= norm; | |
67 | Int_t cp[8]={0,0,fCutAmp,fCutAmp,0,0,0,0}; //1D | |
af4af6f5 | 68 | |
20623db1 | 69 | //res1->SetZeroSupp("2D"); |
70 | res1->SetZeroSupp("1D"); | |
71 | res1->SetNoiseParam(noise,baseline); | |
72 | res1->SetDo10to8(kTRUE); | |
73 | res1->SetCompressParam(cp); | |
74 | res1->SetMinVal(4); | |
75 | res1->SetDiffCoeff(3.6,40.); | |
b9381d0c | 76 | //res1->SetMagicValue(96.95); |
20623db1 | 77 | |
78 | AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType->GetSegmentationModel(); | |
79 | if (!seg1) { | |
80 | seg1 = new AliITSsegmentationSDD(geom,res1); | |
81 | ITS->SetSegmentationModel(1,seg1); | |
82 | } | |
83 | AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1); | |
84 | sim1->SetDoFFT(1); | |
85 | sim1->SetCheckNoise(kFALSE); | |
86 | ITS->SetSimulationModel(1,sim1); | |
87 | ||
88 | // SSD | |
89 | AliITSDetType *iDetType=ITS->DetType(2); | |
90 | AliITSsegmentationSSD *seg2=(AliITSsegmentationSSD*)iDetType->GetSegmentationModel(); | |
91 | AliITSresponseSSD *res2 = (AliITSresponseSSD*)iDetType->GetResponseModel(); | |
92 | res2->SetSigmaSpread(3.,2.); | |
93 | AliITSsimulationSSD *sim2=new AliITSsimulationSSD(seg2,res2); | |
94 | ITS->SetSimulationModel(2,sim2); | |
95 | ||
96 | ||
97 | cerr<<"Digitizing ITS...\n"; | |
98 | ||
99 | TStopwatch timer; | |
100 | timer.Start(); | |
101 | ITS->HitsToDigits(0,0,-1," ","All"," "); | |
102 | timer.Stop(); timer.Print(); | |
103 | ||
104 | delete sim0; | |
105 | delete sim1; | |
106 | delete sim2; | |
107 | ||
108 | ||
109 | delete gAlice; gAlice=0; | |
110 | file->Close(); | |
111 | delete file; | |
112 | return 0; | |
113 | }; | |
114 |