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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | // | |
16 | // Toolkit containing various usefull things | |
17 | // Usable everywhere in the hfe software package | |
18 | // For more information see the cxx file | |
19 | // | |
20 | #ifndef ALIHFETOOLS_H | |
21 | #define ALIHFETOOLS_H | |
22 | ||
23 | #include <TObject.h> | |
24 | ||
25 | class TArrayD; | |
26 | class TParticle; | |
27 | class AliAODMCParticle; | |
28 | class AliPIDResponse; | |
29 | class AliVParticle; | |
30 | class TGraph; | |
31 | class TGraphErrors; | |
32 | class TH1D; | |
33 | class TF1; | |
34 | class TString; | |
35 | ||
36 | class AliHFEtools : public TObject{ | |
37 | public: | |
38 | AliHFEtools(); | |
39 | ~AliHFEtools() {}; | |
40 | ||
41 | static Double_t *MakeLinearBinning(Int_t nBins, Double_t ymin, Double_t ymax); | |
42 | static Double_t *MakeLogarithmicBinning(Int_t nBins, Double_t ymin, Double_t ymax); | |
43 | static void FillLinearBinning(TArrayD &bins, Int_t nBins, Double_t ymin, Double_t ymax); | |
44 | static void FillLogarithmicBinning(TArrayD &bins, Int_t nBins, Double_t ymin, Double_t ymax); | |
45 | Bool_t BinLogAxis(TObject *o, Int_t dim); | |
46 | static Float_t GetRapidity(const TParticle *part); | |
47 | static Float_t GetRapidity(const AliAODMCParticle *part); // return rapidity | |
48 | static Int_t GetPdg(const AliVParticle *track); | |
49 | static Int_t PDG2AliPID(Int_t pdg); | |
50 | static AliPIDResponse *GetDefaultPID(Bool_t isMC = kTRUE, Bool_t isESD = kTRUE); | |
51 | static void DestroyDefaultPID(); | |
52 | static void SetLogLevel(Int_t loglevel) { fgLogLevel = loglevel ;} | |
53 | static TH1D* GraphErrorsToHist(TGraphErrors* g = 0, Double_t firstBinWidth = -1, Bool_t exchange=kFALSE, Int_t markerstyle=8, Int_t markercolor=2, Float_t markersize=0.7); | |
54 | static TH1D* GraphToHist(TGraph* g = 0, Double_t firstBinWidth = -1, Bool_t exchange=kFALSE, Int_t markerstyle=8, Int_t markercolor=2, Float_t markersize=0.7); | |
55 | static Bool_t ExchangeXYGraph(TGraph* g = 0); | |
56 | static Bool_t ExchangeXYGraphErrors(TGraphErrors* g = 0); | |
57 | static void BinParameterisation(const TF1 &fun, const TArrayD &xbins, TArrayD &bincontent); | |
58 | ||
59 | private: | |
60 | AliHFEtools(const AliHFEtools &); | |
61 | AliHFEtools &operator=(const AliHFEtools &); | |
62 | static AliPIDResponse *fgDefaultPID; // Default PID object | |
63 | static Int_t fgLogLevel; // Log Level | |
64 | ||
65 | ClassDef(AliHFEtools, 0) | |
66 | }; | |
67 | #endif |