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563113d0 | 1 | /* $Id$ */ |
1e9dad92 | 2 | /************************************************************************** |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
563113d0 | 16 | //--------------------------------------------------------------------// |
17 | // // | |
9be0fa4e | 18 | // AliCFDataGrid Class // |
563113d0 | 19 | // Class to handle observed data and correct them // |
20 | // // | |
21 | // -- Author : S.Arcelli // | |
22 | // // | |
9be0fa4e | 23 | // substantially modified by r. vernet // |
563113d0 | 24 | // // |
25 | //--------------------------------------------------------------------// | |
26 | // | |
27 | // | |
9f6be3a2 | 28 | #include "TMath.h" |
29 | #include "AliLog.h" | |
563113d0 | 30 | #include "AliCFDataGrid.h" |
31 | ||
32 | //____________________________________________________________________ | |
33 | ClassImp(AliCFDataGrid) | |
34 | ||
35 | //____________________________________________________________________ | |
36 | AliCFDataGrid::AliCFDataGrid() : | |
25488e18 | 37 | AliCFGridSparse(), |
563113d0 | 38 | fSelData(-1), |
39 | fContainer(0x0) | |
40 | { | |
41 | // | |
42 | // default constructor | |
43 | // | |
563113d0 | 44 | } |
45 | ||
46 | //____________________________________________________________________ | |
47 | AliCFDataGrid::AliCFDataGrid(const Char_t* name,const Char_t* title) : | |
25488e18 | 48 | AliCFGridSparse(name,title), |
563113d0 | 49 | fSelData(-1), |
50 | fContainer(0x0) | |
51 | { | |
52 | // | |
53 | // default constructor | |
54 | // | |
563113d0 | 55 | } |
56 | ||
57 | //____________________________________________________________________ | |
fb494025 | 58 | AliCFDataGrid::AliCFDataGrid(const Char_t* name, const Char_t* title, const Int_t nVarIn, const Int_t * nBinIn) : |
59 | AliCFGridSparse(name,title,nVarIn,nBinIn), | |
563113d0 | 60 | fSelData(-1), |
61 | fContainer(0x0) | |
62 | { | |
63 | // | |
64 | // main constructor | |
65 | // | |
66 | SumW2();// errors saved | |
67 | } | |
fb494025 | 68 | |
563113d0 | 69 | //____________________________________________________________________ |
70 | AliCFDataGrid::AliCFDataGrid(const Char_t* name, const Char_t* title, const AliCFContainer &c) : | |
9be0fa4e | 71 | AliCFGridSparse(name,title), |
563113d0 | 72 | fSelData(-1), |
fb494025 | 73 | fContainer(&c) |
563113d0 | 74 | { |
75 | // | |
76 | // main constructor | |
77 | // | |
563113d0 | 78 | } |
fb494025 | 79 | |
563113d0 | 80 | //____________________________________________________________________ |
fb494025 | 81 | AliCFDataGrid::AliCFDataGrid(const AliCFDataGrid& data) : |
82 | AliCFGridSparse(data), | |
563113d0 | 83 | fSelData(-1), |
84 | fContainer(0x0) | |
85 | { | |
86 | // | |
87 | // copy constructor | |
88 | // | |
89 | ((AliCFDataGrid &)data).Copy(*this); | |
90 | } | |
91 | ||
92 | //____________________________________________________________________ | |
93 | AliCFDataGrid::~AliCFDataGrid() | |
94 | { | |
95 | // | |
96 | // destructor | |
97 | // | |
98 | } | |
fb494025 | 99 | |
563113d0 | 100 | //____________________________________________________________________ |
101 | AliCFDataGrid &AliCFDataGrid::operator=(const AliCFDataGrid &c) | |
102 | { | |
103 | // | |
104 | // assigment operator | |
105 | // | |
fb494025 | 106 | if (this != &c) c.Copy(*this); |
563113d0 | 107 | return *this; |
108 | } | |
563113d0 | 109 | |
fb494025 | 110 | //____________________________________________________________________ |
563113d0 | 111 | void AliCFDataGrid::SetMeasured(Int_t istep) |
112 | { | |
113 | // | |
114 | // Deposit observed data over the grid | |
115 | // | |
9be0fa4e | 116 | |
117 | fSelData = istep ; | |
118 | //simply clones the container's data at specified step | |
fb494025 | 119 | fData = (THnSparse*) fContainer->GetGrid(istep)->GetGrid()->Clone(); |
9be0fa4e | 120 | SumW2(); |
121 | AliInfo(Form("retrieving measured data from Container %s at selection step %i.",fContainer->GetName(),fSelData)); | |
563113d0 | 122 | } |
123 | //____________________________________________________________________ | |
124 | void AliCFDataGrid::ApplyEffCorrection(const AliCFEffGrid &c) | |
125 | { | |
126 | ||
127 | // | |
128 | // Apply the efficiency correction | |
129 | // | |
fb494025 | 130 | if (c.GetNVar()!=GetNVar()) { |
563113d0 | 131 | AliInfo("Different number of variables, cannot apply correction"); |
132 | return; | |
133 | } | |
9be0fa4e | 134 | Divide(&c); |
135 | AliInfo(Form("correction applied on data grid %s with efficiency %s.",GetName(),c.GetName())); | |
563113d0 | 136 | } |
137 | //____________________________________________________________________ | |
138 | void AliCFDataGrid::ApplyBGCorrection(const AliCFDataGrid &c) | |
139 | { | |
140 | ||
141 | // | |
142 | // Apply correction for background | |
143 | // | |
fb494025 | 144 | if (c.GetNVar()!=GetNVar()) { |
563113d0 | 145 | AliInfo("Different number of variables, cannot apply correction"); |
146 | return; | |
147 | } | |
9be0fa4e | 148 | Add(&c); |
149 | AliInfo(Form("background %s subtracted from data %s.",c.GetName(),GetName())); | |
563113d0 | 150 | } |
fb494025 | 151 | |
563113d0 | 152 | //____________________________________________________________________ |
9be0fa4e | 153 | void AliCFDataGrid::Copy(TObject& c) const |
563113d0 | 154 | { |
155 | // copy function | |
9be0fa4e | 156 | Copy(c); |
157 | AliCFDataGrid& target = (AliCFDataGrid &) c; | |
563113d0 | 158 | target.fContainer=fContainer; |
159 | target.fSelData=fSelData; | |
563113d0 | 160 | } |