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1 | /************************************************************************** | |
2 | * This file is property of and copyright by the ALICE HLT Project * | |
3 | * All rights reserved. * | |
4 | * * | |
5 | * Primary Authors: Oystein Djuvsland * | |
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 | /** | |
17 | * @file AliHLTPHOSPhysicsAnalyzerSpectrum.h | |
18 | * @author Oystein Djuvsland | |
19 | * @date | |
20 | * @brief Invariant mass spectrum from 2 gammas */ | |
21 | ||
22 | // see below for class documentation | |
23 | // or | |
24 | // refer to README to build package | |
25 | // or | |
26 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
27 | ||
28 | #ifndef ALIHLTPHOSPHYSICSANALYZERSPECTRUM_H | |
29 | #define ALIHLTPHOSPHYSICSANALYZERSPECTRUM_H | |
30 | ||
31 | #include "AliHLTPHOSPhysicsAnalyzer.h" | |
32 | #include "Rtypes.h" | |
33 | ||
34 | /** | |
35 | * @class AliHLTPHOSPhysicsAnalyzerSpectrum | |
36 | * Invariant mass spectrum from 2 gammas | |
37 | * @ingroup alihlt_phos | |
38 | */ | |
39 | ||
40 | class AliHLTPHOSPhysicsAnalyzerSpectrum : public AliHLTPHOSPhysicsAnalyzer | |
41 | { | |
42 | public: | |
43 | ||
44 | /** Constructor */ | |
45 | AliHLTPHOSPhysicsAnalyzerSpectrum(); | |
46 | ||
47 | /** Copy constructor */ | |
48 | AliHLTPHOSPhysicsAnalyzerSpectrum(const AliHLTPHOSPhysicsAnalyzerSpectrum &); | |
49 | /* | |
50 | AliHLTPHOSPhysicsAnalyzerSpectrum & operator = (const AliHLTPHOSPhysicsAnalyzerSpectrum) | |
51 | { | |
52 | return *this; | |
53 | } | |
54 | */ | |
55 | ||
56 | /** Destructor */ | |
57 | virtual ~AliHLTPHOSPhysicsAnalyzerSpectrum(); | |
58 | ||
59 | /** Set the threshold for the 2 photon energies */ | |
60 | Int_t SetThreshold(Float_t photonEnergy0, Float_t photonEnergy1); | |
61 | ||
62 | /** | |
63 | * Evaluate the distance between 2 rec points | |
64 | * @return the distance | |
65 | */ | |
66 | Float_t EvalDistance(); | |
67 | ||
68 | /** | |
69 | * Analyze the event | |
70 | * @param recPointsPtr is an array of pointers to rec points in the event | |
71 | * @param nRecPoints is the number of rec points in the event | |
72 | */ | |
73 | virtual void Analyze(AliHLTPHOSRecPointDataStruct* recPointsPtr[10000], Int_t nRecPoints); | |
74 | ||
75 | private: | |
76 | /** Position of the first cluster */ | |
77 | Float_t* fPos0Ptr; //! transient | |
78 | ||
79 | /** Position of the second cluster */ | |
80 | Float_t* fPos1Ptr; //! transient | |
81 | ||
82 | /** Cut thresholds */ | |
83 | Float_t* fThresholdPtr; //! transient | |
84 | ||
85 | /** Energy of the clusters */ | |
86 | Float_t* fEnergyPtr; //! transient | |
87 | ||
88 | ClassDef(AliHLTPHOSPhysicsAnalyzerSpectrum, 1); | |
89 | ||
90 | }; | |
91 | ||
92 | #endif | |
93 |