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2374af72 | 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 | **************************************************************************/ | |
2410262d | 15 | |
16 | #ifndef ALIHLTPHOSPHYSICSANALYZER_H | |
17 | #define ALIHLTPHOSPHYSICSANALYZER_H | |
18 | ||
2374af72 | 19 | /** |
20 | * Class is intended to be a base class for physics analysis for | |
21 | * PHOS in HLT | |
22 | * | |
23 | * @file AliHLTPHOSPhysicsAnalyzer.h | |
24 | * @author Oystein Djuvsland | |
25 | * @date | |
26 | * @brief Physics analysis base class | |
27 | */ | |
28 | ||
29 | // see below for class documentation | |
30 | // or | |
31 | // refer to README to build package | |
32 | // or | |
33 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
2410262d | 34 | |
91b95d47 | 35 | #include "Rtypes.h" |
2ef3c547 | 36 | #include "AliHLTPHOSConstants.h" |
2ef3c547 | 37 | |
2374af72 | 38 | using namespace PhosHLTConst; |
2410262d | 39 | |
91b95d47 | 40 | class TObjArray; |
41 | class TH1F; | |
2374af72 | 42 | class AliHLTPHOSRecPointDataStruct; |
91b95d47 | 43 | |
44 | const Float_t kCRYSTAL_SIZE = 2.25; | |
2410262d | 45 | |
2374af72 | 46 | /** |
47 | * @class AliHLTPHOSPhysicsAnalyzer | |
48 | * Base class for physics analysis for PHOS in HLT | |
49 | * @ingroup alihlt_phos | |
50 | */ | |
51 | ||
2410262d | 52 | class AliHLTPHOSPhysicsAnalyzer |
91b95d47 | 53 | { |
2410262d | 54 | public: |
2374af72 | 55 | |
56 | /** Constructor */ | |
2410262d | 57 | AliHLTPHOSPhysicsAnalyzer(); |
2374af72 | 58 | |
59 | /** Destructor */ | |
2410262d | 60 | virtual ~AliHLTPHOSPhysicsAnalyzer(); |
61 | ||
2374af72 | 62 | /* |
2410262d | 63 | AliHLTPHOSPhysicsAnalyzer(const AliHLTPHOSPhysicsAnalyzer & ); |
64 | AliHLTPHOSPhysicsAnalyzer & operator = (const AliHLTPHOSPhysicsAnalyzer &) {return *this;} | |
2374af72 | 65 | */ |
66 | ||
2410262d | 67 | |
68 | void SetHistogram(TH1F* histPtr) {fRootHistPtr = histPtr;} | |
69 | ||
2374af72 | 70 | /** |
71 | * Get the local position of a reconstruction point in the PHOS module | |
72 | * @param recPointPtr is a pointer to the reconstruction point | |
73 | * @param locPositionPtr is a pointer to the array of local coordinates | |
74 | */ | |
75 | void LocalPosition(AliHLTPHOSRecPointDataStruct* recPointPtr, Float_t* locPositionPtr); | |
76 | ||
77 | ||
78 | /** | |
79 | * Get the global position of a reconstruction point in ALICE | |
80 | * @param recPointPtr is a pointer to the reconstruction point | |
81 | * @param locPositionPtr is a pointer to the array where to fill the coord | |
82 | */ | |
83 | void GlobalPosition(AliHLTPHOSRecPointDataStruct* recPointPtr, Float_t* positionPtr); | |
84 | ||
85 | /** | |
86 | * Get the global position of local coordinates in ALICE | |
87 | * @param locPositionPtr is a pointer to the array of local coordinates | |
88 | * @param positionPtr is a pointer to the array of global coordinates | |
89 | * @param module is the module number (0 - 4) | |
90 | */ | |
2410262d | 91 | void GlobalPosition(Float_t* locPositionPtr , Float_t* positionPtr, Int_t module); |
92 | ||
93 | virtual void WriteHistogram(Char_t* fileName = "histogram.root"); | |
2374af72 | 94 | |
95 | /** | |
96 | * Abstract function, for doing analysis | |
97 | * @param recPointsPtr is an array of pointers to recPoints | |
98 | * @param nRecPoints is the numbers of recPoints | |
99 | */ | |
100 | virtual void Analyze(AliHLTPHOSRecPointDataStruct* recPointsPtr[10000], Int_t nRecPoints) = 0; | |
2410262d | 101 | |
102 | protected: | |
2374af72 | 103 | |
104 | /** Pointer to the clusters to be analyzed */ | |
105 | TObjArray* fRecPointsPtr; //! transient | |
106 | ||
107 | /** Pointer to the histograms which is to be filled */ | |
108 | TH1F* fRootHistPtr; //! transient | |
2410262d | 109 | |
110 | private: | |
2374af72 | 111 | |
112 | /** Parameters for calculating global position */ | |
113 | Float_t fRotParametersCos[5]; | |
114 | ||
115 | /** Parameters for calculating global position */ | |
116 | Float_t fRotParametersSin[5]; | |
117 | ||
118 | /** Distance from the IP to the crystals */ | |
119 | Float_t fPHOSRadius; | |
2410262d | 120 | |
121 | ClassDef(AliHLTPHOSPhysicsAnalyzer,1); | |
122 | }; | |
123 | ||
124 | #endif |