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Commit | Line | Data |
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1 | void readESD() | |
2 | { | |
3 | //read T0 ESD from reconstructed cosmic data | |
4 | ||
5 | char filename[100]; | |
6 | sprintf(filename,""); | |
7 | TFile *file = new TFile("AliESDs.root"); | |
8 | ||
9 | // TH1F *hMean= new TH1F("hMean"," T0 ", 10000,1.249e6,1.259e6); | |
10 | TH1F *hMean= new TH1F("hMean"," T0 ",6000,0,6000); | |
11 | TH1F *hVertex = new TH1F("hVertex","Z position of vertex", 100,-120,-110); | |
12 | ||
13 | // TH1F *hAmp = new TH1F("hAmp"," amplitude", 2500, 10,2510); | |
14 | // TH1F *hTime = new TH1F("hTime"," time", 500,1250000,1250500); | |
15 | TH1F *hAmp[24]; TH1F * hTime[24]; | |
16 | Char_t buf1[20], buf2[20]; | |
17 | ||
18 | for(Int_t ic=0; ic<24; ic++) | |
19 | { | |
20 | sprintf(buf1,"Amp%i",ic+1); | |
21 | hAmp[ic] = new TH1F(buf1,"Amp",50, 0,50 ); | |
22 | sprintf(buf2,"Time%i",ic+1); | |
23 | // hTime[ic] = new TH1F("hTime"," time", 10000,1.249e6,1.259e6); | |
24 | hTime[ic] = new TH1F("hTime"," time", 6000,0,6000); | |
25 | } | |
26 | ||
27 | Double_t *amp, *time; | |
28 | TTree *esdTree = (TTree*)file->Get("esdTree"); | |
29 | esdTree->ls(); | |
30 | ||
31 | TBranch *brRec=esdTree->GetBranch("AliESDTZERO."); | |
32 | AliESDTZERO *fesdT0 = new AliESDTZERO(); | |
33 | if (brRec) { | |
34 | brRec->SetAddress(&fesdT0); | |
35 | }else{ | |
36 | cerr<<"EXEC Branch T0 not found"<<endl; | |
37 | return; | |
38 | } | |
39 | // brRec->GetEntry(0); | |
40 | ||
41 | // Event ------------------------- LOOP | |
42 | for (Int_t ievent=0; ievent<brRec->GetEntries(); ievent++){ | |
43 | brRec->GetEntry(ievent); | |
44 | Int_t mean = fesdT0->GetT0(); | |
45 | hMean->Fill(mean); | |
46 | Float_t vertex= fesdT0->GetT0zVertex(); | |
47 | if (ievent <100) cout<<ievent<<" "<<mean<<" vertex "<<vertex<<endl; | |
48 | if(vertex<999){ | |
49 | hVertex->Fill(vertex); | |
50 | amp=fesdT0->GetT0amplitude(); | |
51 | time=fesdT0->GetT0time(); | |
52 | for (Int_t i=0; i<24; i++){ | |
53 | hAmp[i]->Fill(amp[i]); | |
54 | hTime[i]->Fill(time[i]); | |
55 | if (ievent <100) cout<<ievent<<" "<<i<<" time "<<time[i]<<" amp "<<amp[i]<<endl; | |
56 | } | |
57 | } | |
58 | } | |
59 | ||
60 | Hfile = new TFile("FigESD_25081.root","RECREATE","Histograms for T0 | |
61 | digits"); | |
62 | printf("Writting histograms to root file \n"); | |
63 | Hfile->cd(); | |
64 | //Create a canvas, set the view range, show histograms | |
65 | // g | |
66 | // gStyle->SetOptStat(111111); | |
67 | hVertex->Write(); | |
68 | hMean->Write(); | |
69 | for (Int_t i=0; i<24; i++){ | |
70 | hAmp[i]->Write(); | |
71 | hTime[i]->Write(); | |
72 | } | |
73 | ||
74 | TCanvas *c1 = new TCanvas("c1", "Time C side",0,48,1280,951); | |
75 | c1->Divide(4,3); | |
76 | // gStyle->SetOptFit(1111); | |
77 | for (Int_t i=0; i<12; i++) | |
78 | { | |
79 | c1->cd(i+1); | |
80 | hTime[i]->Draw(); | |
81 | } | |
82 | TCanvas *c2 = new TCanvas("c2", "Time A side",0,48,1280,951); | |
83 | c2->Divide(4,3); | |
84 | gStyle->SetOptFit(1111); | |
85 | for (Int_t i=12; i<24; i++) | |
86 | { | |
87 | c2->cd(i+1-12); | |
88 | hTime[i]->Draw(); | |
89 | } | |
90 | ||
91 | TCanvas *c3 = new TCanvas("c3", "Time mean & vertex",0,48,1280,951); | |
92 | c3->Divide(1,2); | |
93 | c3->cd(1); | |
94 | hVertex->Draw(); | |
95 | c3->cd(2); | |
96 | hMean->Draw(); | |
97 | ||
98 | ||
99 | ||
100 | ||
101 | } // end of macro |