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2374af72 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Authors: Oystein Djuvsland <oysteind@ift.uib.no> * | |
5 | * * | |
6 | * Permission to use, copy, modify and distribute this software and its * | |
7 | * documentation strictly for non-commercial purposes is hereby granted * | |
8 | * without fee, provided that the above copyright notice appears in all * | |
9 | * copies and that both the copyright notice and this permission notice * | |
10 | * appear in the supporting documentation. The authors make no claims * | |
11 | * about the suitability of this software for any purpose. It is * | |
12 | * provided "as is" without express or implied warranty. * | |
13 | **************************************************************************/ | |
14 | ||
2410262d | 15 | #ifndef ALIHLTPHOSPHYSICSANALYZERPEAKFITTER_H |
16 | #define ALIHLTPHOSPHYSICSANALYZERPEAKFITTER_H | |
17 | ||
2374af72 | 18 | /** |
19 | * Class does fitting on an histogram | |
20 | * | |
21 | * @file AliHLTPHOSPhysicsAnalyzerPeakFitter.h | |
22 | * @author Oystein Djuvsland | |
23 | * @date | |
24 | * @brief Fitter for PHOS HLT | |
25 | */ | |
26 | ||
27 | // see below for class documentation | |
28 | // or | |
29 | // refer to README to build package | |
30 | // or | |
31 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
2410262d | 32 | |
33 | #include "Rtypes.h" | |
2374af72 | 34 | //#include "AliHLTPHOSClusterDataStruct.h" |
2410262d | 35 | #include "AliHLTDataTypes.h" |
36 | #include "TH1F.h" | |
37 | #include "TMath.h" | |
38 | ||
2374af72 | 39 | /** |
40 | * @class AliHLTPHOSPhysicsAnalyzerPeakFitter | |
41 | * Fitter for PHOS HLT | |
42 | * Makes a fit on a histogram, either a Lorentzian fit or | |
43 | * Gaussian fit | |
44 | * | |
45 | * @ingroup alihlt_phos | |
46 | */ | |
2410262d | 47 | class AliHLTPHOSPhysicsAnalyzerPeakFitter |
48 | { | |
49 | ||
50 | public: | |
51 | ||
2374af72 | 52 | /** Constructor */ |
2410262d | 53 | AliHLTPHOSPhysicsAnalyzerPeakFitter(); |
2374af72 | 54 | |
55 | /** Destructor */ | |
2410262d | 56 | virtual ~AliHLTPHOSPhysicsAnalyzerPeakFitter(); |
2374af72 | 57 | |
58 | /** Copy constructor */ | |
6e709a0d | 59 | AliHLTPHOSPhysicsAnalyzerPeakFitter(const AliHLTPHOSPhysicsAnalyzerPeakFitter &); |
2374af72 | 60 | |
61 | /** Assignment operator */ | |
6e709a0d | 62 | AliHLTPHOSPhysicsAnalyzerPeakFitter & operator = (const AliHLTPHOSPhysicsAnalyzerPeakFitter &) {return *this;} |
2410262d | 63 | |
2374af72 | 64 | /** Set histogram */ |
2410262d | 65 | void SetHistogram(TH1F* histPtr) { fRootHistPtr = histPtr; } |
66 | ||
2374af72 | 67 | /** Fit with a gaussian */ |
2410262d | 68 | Int_t FitGaussian(); |
2374af72 | 69 | |
70 | /** Fit with a lorentzian */ | |
2410262d | 71 | Int_t FitLorentzian(); |
72 | ||
73 | ||
74 | private: | |
75 | ||
2374af72 | 76 | /** Factor for low gain */ |
77 | Float_t fGainLow; //COMMENT | |
78 | ||
79 | /** Factor for high gain */ | |
80 | Float_t fGainHigh; //COMMENT | |
81 | ||
82 | /** Pointer to the ROOT histogram */ | |
83 | TH1F* fRootHistPtr; //! transient | |
2410262d | 84 | |
85 | ClassDef(AliHLTPHOSPhysicsAnalyzerPeakFitter, 1); | |
86 | ||
87 | }; | |
88 | ||
89 | ||
90 | ||
91 | ||
92 | ||
93 | ||
94 | #endif |