]>
Commit | Line | Data |
---|---|---|
47ed3090 | 1 | #ifndef ALIEPFLATTENER_H |
2 | #define ALIEPFLATTENER_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | //_________________________________________________________________________ | |
9 | // Class to perform flattening of the event plane distribution | |
10 | // It stores necessary parameterizations and apply when requested | |
11 | // | |
12 | //*-- Author: Dmitri Peressounko (RRC KI) | |
13 | ||
14 | // --- ROOT system --- | |
15 | class TH2 ; | |
16 | #include "TNamed.h" | |
17 | ||
18 | class AliEPFlattener : public TNamed { | |
19 | ||
20 | public: | |
21 | ||
22 | AliEPFlattener() ; | |
23 | AliEPFlattener(const char * name) ; //To separate different runs use names | |
24 | AliEPFlattener(const AliEPFlattener & fl) ; | |
25 | virtual ~AliEPFlattener() ; | |
26 | AliEPFlattener & operator = (const AliEPFlattener & flat); | |
27 | ||
28 | public: | |
29 | ||
30 | Double_t MakeFlat(Double_t oldPhi,Double_t centrality)const ; //Apply (centrality-dependent) flattening to oldPhi | |
31 | void SetParameterization(TH2 * h) ; //Set Parameterization to use (see code for the meaning of parameters | |
32 | ||
33 | private: | |
34 | Int_t fNCentrBins ; // Number of centrality bins | |
35 | Int_t fNHarmonics ; // Number of harmonics used in parameterization | |
36 | Int_t fNparam ; // Total number of parameters (fNCentrBins*fNHarmonics) | |
37 | Double32_t *fParam ; //[fNparam][-1.,1.,16] array of flattening parameters | |
38 | ||
39 | ClassDef(AliEPFlattener,1) | |
40 | ||
41 | } ; | |
42 | ||
43 | #endif // ALIEPFLATTENER_H |