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Commit | Line | Data |
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c1bfc82c | 1 | Int_t AliITSHits2SDigits(const char *inFile = "galice.root"){ |
2603d98a | 2 | |
3 | // Dynamically link some shared libs | |
4 | if (gClassTable->GetID("AliRun") < 0) { | |
5 | gROOT->LoadMacro("loadlibs.C"); | |
6 | loadlibs(); | |
7 | } // end if | |
8 | ||
c1bfc82c | 9 | // Connect the Root Galice file containing Geometry, Kine and Hits |
10 | ||
11 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(inFile); | |
12 | if (file) {file->Close(); delete file;} | |
2603d98a | 13 | cout << "AliITSHits2SDigits" << endl; |
c1bfc82c | 14 | file = new TFile(inFile,"UPDATE"); |
15 | if (!file->IsOpen()) { | |
16 | cerr<<"Can't open "<<inFile<<" !" << endl; | |
17 | return 1; | |
18 | } // end if !file | |
19 | file->ls(); | |
20 | ||
21 | // Get AliRun object from file or return if not on file | |
22 | if (gAlice) delete gAlice; | |
23 | gAlice = (AliRun*)file->Get("gAlice"); | |
24 | if (!gAlice) { | |
25 | cerr << "AliITSITSHits2Digits.C : AliRun object not found on file" | |
26 | << endl; | |
27 | return 2; | |
28 | } // end if !gAlice | |
29 | ||
30 | gAlice->GetEvent(0); | |
31 | AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS"); | |
32 | if (!ITS) { | |
33 | cerr<<"AliITSHits2Digits.C : AliITS object not found on file" | |
34 | << endl; | |
35 | return 3; | |
36 | } // end if !ITS | |
2603d98a | 37 | if(!(ITS->GetITSgeom())){ |
38 | cerr << " AliITSgeom not found. Can't digitize with out it." << endl; | |
39 | return 4; | |
40 | } // end if | |
c1bfc82c | 41 | |
42 | // SPD | |
43 | cout << "Changing from Default SPD simulation, and responce." << endl; | |
44 | AliITSDetType *iDetType=ITS->DetType(0); | |
45 | AliITSsegmentationSPD *seg0=(AliITSsegmentationSPD*)iDetType-> | |
46 | GetSegmentationModel(); | |
47 | AliITSresponseSPD *res0 = (AliITSresponseSPD*)iDetType->GetResponseModel(); | |
48 | AliITSsimulationSPD *sim0=new AliITSsimulationSPD(seg0,res0); | |
49 | ITS->SetSimulationModel(0,sim0); | |
50 | // test | |
51 | cout << "SPD dimensions " << seg0->Dx() << " " << seg0->Dz() << endl; | |
52 | cout << "SPD npixels " << seg0->Npz() << " " << seg0->Npx() << endl; | |
53 | cout << "SPD pitches " << seg0->Dpz(0) << " " << seg0->Dpx(0) << endl; | |
54 | // end test | |
55 | ||
56 | // SDD | |
57 | cout << "Changing from Default SDD simulation, and responce." << endl; | |
58 | //Set response functions | |
59 | Float_t baseline = 10.; | |
60 | Float_t noise = 1.75; | |
61 | // SDD compression param: 2 fDecrease, 2fTmin, 2fTmax or disable, | |
62 | // 2 fTolerance | |
63 | AliITSDetType *iDetType=ITS->DetType(1); | |
64 | AliITSresponseSDD *res1 = (AliITSresponseSDD*)iDetType->GetResponseModel(); | |
65 | if (!res1) { | |
66 | res1=new AliITSresponseSDD(); | |
67 | ITS->SetResponseModel(1,res1); | |
68 | } // end if !res1 | |
69 | Float_t fCutAmp = baseline + 2.*noise; | |
70 | Int_t cp[8]={0,0,fCutAmp,fCutAmp,0,0,0,0}; //1D | |
71 | ||
72 | //res1->SetZeroSupp("2D"); | |
73 | res1->SetZeroSupp("1D"); | |
74 | res1->SetNoiseParam(noise,baseline); | |
75 | res1->SetDo10to8(kTRUE); | |
76 | res1->SetCompressParam(cp); | |
77 | res1->SetMinVal(4); | |
78 | res1->SetDiffCoeff(3.6,40.); | |
79 | AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType-> | |
80 | GetSegmentationModel(); | |
81 | if (!seg1) { | |
2603d98a | 82 | seg1 = new AliITSsegmentationSDD(ITS->GetITSgeom(),res1); |
c1bfc82c | 83 | ITS->SetSegmentationModel(1,seg1); |
84 | } // end if !seg1 | |
85 | AliITSsimulationSDD *sim1 = new AliITSsimulationSDD(seg1,res1); | |
86 | sim1->SetDoFFT(1); | |
87 | sim1->SetCheckNoise(kFALSE); | |
88 | ITS->SetSimulationModel(1,sim1); | |
89 | ||
90 | // SSD | |
91 | cout << "Changing from Default SSD simulation, and responce." << endl; | |
92 | AliITSDetType *iDetType = ITS->DetType(2); | |
93 | AliITSsegmentationSSD *seg2 = (AliITSsegmentationSSD*)iDetType-> | |
94 | GetSegmentationModel(); | |
95 | AliITSresponseSSD *res2 = (AliITSresponseSSD*)iDetType->GetResponseModel(); | |
96 | res2->SetSigmaSpread(3.,2.); | |
97 | AliITSsimulationSSD *sim2 = new AliITSsimulationSSD(seg2,res2); | |
98 | ITS->SetSimulationModel(2,sim2); | |
99 | ||
100 | if(!gAlice->TreeS()){ | |
101 | cout << "Having to create the SDigits Tree." << endl; | |
102 | gAlice->MakeTree("S"); | |
103 | } // end if !gAlice->TreeS() | |
104 | //make branch | |
105 | ITS->MakeBranch("S"); | |
106 | ITS->SetTreeAddress(); | |
107 | cout << "Digitizing ITS..." << endl; | |
108 | ||
109 | TStopwatch timer; | |
110 | Long_t size0 = file->GetSize(); | |
111 | timer.Start(); | |
112 | ITS->Hits2SDigits(); | |
113 | timer.Stop(); timer.Print(); | |
114 | ||
115 | delete gAlice; gAlice=0; | |
116 | file->Close(); | |
117 | Long_t size1 = file->GetSize(); | |
118 | cout << "File size before = " << size0 << " file size after = " << size1; | |
119 | cout << "Increase in file size is " << size1-size0 << " Bytes" << endl; | |
120 | delete file; | |
121 | return 0; | |
122 | }; | |
123 |