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c1bfc82c | 1 | Int_t AliITSHits2SDigits(const char *inFile = "galice.root"){ |
2 | // Connect the Root Galice file containing Geometry, Kine and Hits | |
3 | ||
4 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(inFile); | |
5 | if (file) {file->Close(); delete file;} | |
6 | cout << "AliITSHits2Digits" << endl; | |
7 | file = new TFile(inFile,"UPDATE"); | |
8 | if (!file->IsOpen()) { | |
9 | cerr<<"Can't open "<<inFile<<" !" << endl; | |
10 | return 1; | |
11 | } // end if !file | |
12 | file->ls(); | |
13 | ||
14 | // Get AliRun object from file or return if not on file | |
15 | if (gAlice) delete gAlice; | |
16 | gAlice = (AliRun*)file->Get("gAlice"); | |
17 | if (!gAlice) { | |
18 | cerr << "AliITSITSHits2Digits.C : AliRun object not found on file" | |
19 | << endl; | |
20 | return 2; | |
21 | } // end if !gAlice | |
22 | ||
23 | gAlice->GetEvent(0); | |
24 | AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS"); | |
25 | if (!ITS) { | |
26 | cerr<<"AliITSHits2Digits.C : AliITS object not found on file" | |
27 | << endl; | |
28 | return 3; | |
29 | } // end if !ITS | |
30 | ||
31 | // Set the simulation models for the three detector types | |
32 | AliITSgeom *geom = ITS->GetITSgeom(); | |
33 | ||
34 | // SPD | |
35 | cout << "Changing from Default SPD simulation, and responce." << endl; | |
36 | AliITSDetType *iDetType=ITS->DetType(0); | |
37 | AliITSsegmentationSPD *seg0=(AliITSsegmentationSPD*)iDetType-> | |
38 | GetSegmentationModel(); | |
39 | AliITSresponseSPD *res0 = (AliITSresponseSPD*)iDetType->GetResponseModel(); | |
40 | AliITSsimulationSPD *sim0=new AliITSsimulationSPD(seg0,res0); | |
41 | ITS->SetSimulationModel(0,sim0); | |
42 | // test | |
43 | cout << "SPD dimensions " << seg0->Dx() << " " << seg0->Dz() << endl; | |
44 | cout << "SPD npixels " << seg0->Npz() << " " << seg0->Npx() << endl; | |
45 | cout << "SPD pitches " << seg0->Dpz(0) << " " << seg0->Dpx(0) << endl; | |
46 | // end test | |
47 | ||
48 | // SDD | |
49 | cout << "Changing from Default SDD simulation, and responce." << endl; | |
50 | //Set response functions | |
51 | Float_t baseline = 10.; | |
52 | Float_t noise = 1.75; | |
53 | // SDD compression param: 2 fDecrease, 2fTmin, 2fTmax or disable, | |
54 | // 2 fTolerance | |
55 | AliITSDetType *iDetType=ITS->DetType(1); | |
56 | AliITSresponseSDD *res1 = (AliITSresponseSDD*)iDetType->GetResponseModel(); | |
57 | if (!res1) { | |
58 | res1=new AliITSresponseSDD(); | |
59 | ITS->SetResponseModel(1,res1); | |
60 | } // end if !res1 | |
61 | Float_t fCutAmp = baseline + 2.*noise; | |
62 | Int_t cp[8]={0,0,fCutAmp,fCutAmp,0,0,0,0}; //1D | |
63 | ||
64 | //res1->SetZeroSupp("2D"); | |
65 | res1->SetZeroSupp("1D"); | |
66 | res1->SetNoiseParam(noise,baseline); | |
67 | res1->SetDo10to8(kTRUE); | |
68 | res1->SetCompressParam(cp); | |
69 | res1->SetMinVal(4); | |
70 | res1->SetDiffCoeff(3.6,40.); | |
71 | AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType-> | |
72 | GetSegmentationModel(); | |
73 | if (!seg1) { | |
74 | seg1 = new AliITSsegmentationSDD(geom,res1); | |
75 | ITS->SetSegmentationModel(1,seg1); | |
76 | } // end if !seg1 | |
77 | AliITSsimulationSDD *sim1 = new AliITSsimulationSDD(seg1,res1); | |
78 | sim1->SetDoFFT(1); | |
79 | sim1->SetCheckNoise(kFALSE); | |
80 | ITS->SetSimulationModel(1,sim1); | |
81 | ||
82 | // SSD | |
83 | cout << "Changing from Default SSD simulation, and responce." << endl; | |
84 | AliITSDetType *iDetType = ITS->DetType(2); | |
85 | AliITSsegmentationSSD *seg2 = (AliITSsegmentationSSD*)iDetType-> | |
86 | GetSegmentationModel(); | |
87 | AliITSresponseSSD *res2 = (AliITSresponseSSD*)iDetType->GetResponseModel(); | |
88 | res2->SetSigmaSpread(3.,2.); | |
89 | AliITSsimulationSSD *sim2 = new AliITSsimulationSSD(seg2,res2); | |
90 | ITS->SetSimulationModel(2,sim2); | |
91 | ||
92 | if(!gAlice->TreeS()){ | |
93 | cout << "Having to create the SDigits Tree." << endl; | |
94 | gAlice->MakeTree("S"); | |
95 | } // end if !gAlice->TreeS() | |
96 | //make branch | |
97 | ITS->MakeBranch("S"); | |
98 | ITS->SetTreeAddress(); | |
99 | cout << "Digitizing ITS..." << endl; | |
100 | ||
101 | TStopwatch timer; | |
102 | Long_t size0 = file->GetSize(); | |
103 | timer.Start(); | |
104 | ITS->Hits2SDigits(); | |
105 | timer.Stop(); timer.Print(); | |
106 | ||
107 | delete gAlice; gAlice=0; | |
108 | file->Close(); | |
109 | Long_t size1 = file->GetSize(); | |
110 | cout << "File size before = " << size0 << " file size after = " << size1; | |
111 | cout << "Increase in file size is " << size1-size0 << " Bytes" << endl; | |
112 | delete file; | |
113 | return 0; | |
114 | }; | |
115 |