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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; |
a20d23f9 | 43 | class AliHLTPHOSRecPointContainerStruct; |
91b95d47 | 44 | |
45 | const Float_t kCRYSTAL_SIZE = 2.25; | |
2410262d | 46 | |
2374af72 | 47 | /** |
48 | * @class AliHLTPHOSPhysicsAnalyzer | |
49 | * Base class for physics analysis for PHOS in HLT | |
50 | * @ingroup alihlt_phos | |
51 | */ | |
52 | ||
2410262d | 53 | class AliHLTPHOSPhysicsAnalyzer |
91b95d47 | 54 | { |
2410262d | 55 | public: |
2374af72 | 56 | |
57 | /** Constructor */ | |
2410262d | 58 | AliHLTPHOSPhysicsAnalyzer(); |
2374af72 | 59 | |
60 | /** Destructor */ | |
2410262d | 61 | virtual ~AliHLTPHOSPhysicsAnalyzer(); |
62 | ||
2374af72 | 63 | /* |
2410262d | 64 | AliHLTPHOSPhysicsAnalyzer(const AliHLTPHOSPhysicsAnalyzer & ); |
65 | AliHLTPHOSPhysicsAnalyzer & operator = (const AliHLTPHOSPhysicsAnalyzer &) {return *this;} | |
2374af72 | 66 | */ |
67 | ||
2410262d | 68 | |
69 | void SetHistogram(TH1F* histPtr) {fRootHistPtr = histPtr;} | |
70 | ||
2374af72 | 71 | /** |
72 | * Get the local position of a reconstruction point in the PHOS module | |
73 | * @param recPointPtr is a pointer to the reconstruction point | |
74 | * @param locPositionPtr is a pointer to the array of local coordinates | |
75 | */ | |
76 | void LocalPosition(AliHLTPHOSRecPointDataStruct* recPointPtr, Float_t* locPositionPtr); | |
77 | ||
78 | ||
79 | /** | |
80 | * Get the global position of a reconstruction point in ALICE | |
81 | * @param recPointPtr is a pointer to the reconstruction point | |
82 | * @param locPositionPtr is a pointer to the array where to fill the coord | |
83 | */ | |
84 | void GlobalPosition(AliHLTPHOSRecPointDataStruct* recPointPtr, Float_t* positionPtr); | |
85 | ||
86 | /** | |
87 | * Get the global position of local coordinates in ALICE | |
88 | * @param locPositionPtr is a pointer to the array of local coordinates | |
89 | * @param positionPtr is a pointer to the array of global coordinates | |
90 | * @param module is the module number (0 - 4) | |
91 | */ | |
2410262d | 92 | void GlobalPosition(Float_t* locPositionPtr , Float_t* positionPtr, Int_t module); |
93 | ||
94 | virtual void WriteHistogram(Char_t* fileName = "histogram.root"); | |
2374af72 | 95 | |
96 | /** | |
97 | * Abstract function, for doing analysis | |
98 | * @param recPointsPtr is an array of pointers to recPoints | |
99 | * @param nRecPoints is the numbers of recPoints | |
100 | */ | |
a20d23f9 | 101 | virtual void Analyze(AliHLTPHOSRecPointContainerStruct* recPointsArrayPtr, Int_t nRecPoints) = 0; |
2410262d | 102 | |
103 | protected: | |
2374af72 | 104 | |
105 | /** Pointer to the clusters to be analyzed */ | |
106 | TObjArray* fRecPointsPtr; //! transient | |
107 | ||
108 | /** Pointer to the histograms which is to be filled */ | |
109 | TH1F* fRootHistPtr; //! transient | |
2410262d | 110 | |
111 | private: | |
2374af72 | 112 | |
113 | /** Parameters for calculating global position */ | |
114 | Float_t fRotParametersCos[5]; | |
115 | ||
116 | /** Parameters for calculating global position */ | |
117 | Float_t fRotParametersSin[5]; | |
118 | ||
119 | /** Distance from the IP to the crystals */ | |
120 | Float_t fPHOSRadius; | |
2410262d | 121 | |
122 | ClassDef(AliHLTPHOSPhysicsAnalyzer,1); | |
123 | }; | |
124 | ||
125 | #endif |