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Commit | Line | Data |
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75ec0f41 | 1 | // ------------------------------------------------------ |
2 | // | |
3 | // Class to handle corrections for dN/dEta measurements | |
4 | // | |
5 | // ------------------------------------------------------ | |
6 | // | |
7 | // TODO: | |
8 | // - add documentation | |
9 | // - add status: generate or use maps | |
10 | // - add functionality to set the bin sizes | |
11 | // - add histograms with errors (for error visualization) | |
12 | // | |
13 | ||
14 | #ifndef ROOT_TObject | |
15 | #include "TObject.h" | |
16 | #endif | |
17 | #ifndef ROOT_TFile | |
18 | #include "TFile.h" | |
19 | #endif | |
20 | #ifndef ROOT_TH2 | |
21 | #include "TH2.h" | |
22 | #endif | |
23 | ||
24 | ||
25 | class dNdEtaCorrection : public TObject | |
26 | { | |
27 | protected: | |
28 | ||
29 | TString fName; | |
30 | ||
31 | TH2F* hEtaVsVtx_meas; | |
32 | TH2F* hEtaVsVtx_gene; | |
33 | ||
34 | TH2F* hEtaVsVtx_corr; | |
35 | TH2F* hEtaVsVtx_ratio; | |
36 | ||
37 | public: | |
38 | dNdEtaCorrection(Char_t* name="dndeta_correction"); | |
39 | ||
40 | void FillMeas(Float_t vtx, Float_t eta) {hEtaVsVtx_meas->Fill(vtx, eta);} | |
41 | void FillGene(Float_t vtx, Float_t eta) {hEtaVsVtx_gene->Fill(vtx, eta);} | |
42 | ||
43 | void Finish(); | |
44 | ||
45 | void SaveHistograms(); | |
46 | Bool_t LoadHistograms(Char_t* fileName, Char_t* dir = "dndeta_correction"); | |
47 | Bool_t LoadCorrection(Char_t* fileName, Char_t* dir = "dndeta_correction") | |
48 | {return LoadHistograms(fileName, dir);} | |
49 | ||
50 | void DrawHistograms(); | |
51 | ||
52 | void RemoveEdges(Float_t cut=2, Int_t nBinsVtx=0, Int_t nBinsEta=0); | |
53 | ||
54 | Float_t GetCorrection(Float_t vtx, Float_t eta) | |
55 | {return hEtaVsVtx_corr->GetBinContent(hEtaVsVtx_corr->FindBin(vtx,eta));} | |
56 | ||
57 | ClassDef(dNdEtaCorrection,0) | |
58 | }; | |
59 | ||
60 |