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Commit | Line | Data |
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8e317d0d | 1 | void drawMultiplicity(const char* filename = "AnalysisResults.root") { |
2 | //Draws the multiplicity for each centrality bin | |
3 | const Int_t nCentralityBins = 20; | |
4 | ||
5 | //_______________________________________________________________// | |
6 | //Open the input file | |
7 | TFile *f = TFile::Open(filename); | |
8 | if(!f->IsOpen()) { | |
9 | Printf("File not found!!!"); | |
10 | break; | |
11 | } | |
12 | ||
13 | //_______________________________________________________________// | |
14 | //Get the TDirectoryFile | |
15 | TDirectoryFile *dir = dynamic_cast<TDirectoryFile *>(f->Get("outputFluctuationAnalysis.root")); | |
16 | if(!dir) { | |
17 | Printf("TDirectoryFile not found!!!"); | |
18 | break; | |
19 | } | |
20 | ||
21 | //_______________________________________________________________// | |
22 | //Get the TList | |
23 | TList *list = dynamic_cast<TList *>(dir->Get("fluctuationsOutput")); | |
24 | if(!list) { | |
25 | Printf("TList not found!!!"); | |
26 | break; | |
27 | } | |
28 | //list->ls(); | |
29 | ||
30 | TH1F *gHistNMultiplicity[nCentralityBins]; | |
31 | TH2F *gHistNPlusNMinus[nCentralityBins]; | |
32 | TString histName; | |
33 | ||
34 | for(Int_t iBin = 1; iBin <= nCentralityBins; iBin++) { | |
35 | histName = "fHistNPlusNMinusCentrality"; histName += iBin; | |
36 | gHistNPlusNMinus[iBin-1] = dynamic_cast<TH2F *>(list->FindObject(histName.Data())); | |
37 | gHistNPlusNMinus[iBin-1]->SetMarkerColor(iBin); | |
38 | ||
39 | histName = "fHistNMultCentrality"; histName += iBin; | |
40 | gHistNMultiplicity[iBin-1] = dynamic_cast<TH1F *>(list->FindObject(histName.Data())); | |
41 | gHistNMultiplicity[iBin-1]->SetMarkerColor(iBin); | |
42 | gHistNMultiplicity[iBin-1]->SetLineColor(iBin); | |
43 | gHistNMultiplicity[iBin-1]->Scale(5000./gHistNMultiplicity[iBin-1]->Integral()); | |
44 | } | |
45 | ||
46 | //_______________________________________________________________// | |
47 | //Draw the multiplicity distributions | |
48 | TH2F *hEmpty = new TH2F("hEmpty","",200,0,2000,500,0,2000); | |
49 | hEmpty->SetStats(kFALSE); | |
50 | hEmpty->GetXaxis()->SetNdivisions(10); | |
51 | hEmpty->GetYaxis()->SetNdivisions(10); | |
52 | hEmpty->GetXaxis()->SetTitleOffset(1.4); | |
53 | hEmpty->GetYaxis()->SetTitleOffset(1.4); | |
54 | ||
55 | TCanvas *c1 = new TCanvas("c1","",0,0,600,500); | |
56 | c1->SetFillColor(10); c1->SetHighLightColor(10); | |
57 | c1->SetLeftMargin(0.15); c1->SetBottomMargin(0.15); | |
58 | hEmpty->GetXaxis()->SetTitle("N_{+}"); | |
59 | hEmpty->GetYaxis()->SetTitle("N_{-}"); | |
60 | hEmpty->GetXaxis()->SetRangeUser(0,1000); | |
61 | hEmpty->GetYaxis()->SetRangeUser(0,1000); | |
62 | hEmpty->DrawCopy(); | |
63 | for(Int_t iBin = 1; iBin <= nCentralityBins; iBin++) | |
64 | gHistNPlusNMinus[iBin-1]->DrawCopy("same"); | |
65 | ||
66 | TCanvas *c2 = new TCanvas("c2","",600,0,600,500); | |
67 | c2->SetFillColor(10); c2->SetHighLightColor(10); | |
68 | c2->SetLeftMargin(0.15); c2->SetBottomMargin(0.15); | |
69 | hEmpty->GetXaxis()->SetTitle("N_{tracks}"); | |
70 | hEmpty->GetYaxis()->SetTitle("Entries"); | |
71 | hEmpty->GetYaxis()->SetRangeUser(0,2000); | |
72 | hEmpty->GetXaxis()->SetRangeUser(0,2000); | |
73 | hEmpty->DrawCopy(); | |
74 | for(Int_t iBin = 1; iBin <= nCentralityBins; iBin++) | |
75 | gHistNMultiplicity[iBin-1]->DrawCopy("esame"); | |
76 | } |