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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 | // | |
616d0493 | 53 | // named constructor |
563113d0 | 54 | // |
616d0493 | 55 | AliInfo("Deprecated, will be removed soon !!"); |
563113d0 | 56 | } |
57 | ||
58 | //____________________________________________________________________ | |
fb494025 | 59 | AliCFDataGrid::AliCFDataGrid(const Char_t* name, const Char_t* title, const Int_t nVarIn, const Int_t * nBinIn) : |
60 | AliCFGridSparse(name,title,nVarIn,nBinIn), | |
563113d0 | 61 | fSelData(-1), |
62 | fContainer(0x0) | |
63 | { | |
64 | // | |
65 | // main constructor | |
66 | // | |
67 | SumW2();// errors saved | |
68 | } | |
fb494025 | 69 | |
563113d0 | 70 | //____________________________________________________________________ |
71 | AliCFDataGrid::AliCFDataGrid(const Char_t* name, const Char_t* title, const AliCFContainer &c) : | |
9be0fa4e | 72 | AliCFGridSparse(name,title), |
563113d0 | 73 | fSelData(-1), |
fb494025 | 74 | fContainer(&c) |
563113d0 | 75 | { |
76 | // | |
77 | // main constructor | |
78 | // | |
616d0493 | 79 | AliInfo("Deprecated, will be removed soon !!\nUse AliCFDataGrid(name,title,container,step) instead"); |
80 | } | |
81 | ||
82 | //____________________________________________________________________ | |
83 | AliCFDataGrid::AliCFDataGrid(const Char_t* name, const Char_t* title, const AliCFContainer &c, Int_t step) : | |
84 | AliCFGridSparse(name,title), | |
85 | fSelData(step), | |
86 | fContainer(&c) | |
87 | { | |
88 | // | |
89 | // main constructor | |
90 | // assign directly the selection step | |
91 | // | |
92 | ||
93 | //simply clones the container's data at specified step | |
94 | fData = (THnSparse*) fContainer->GetGrid(fSelData)->GetGrid()->Clone(); | |
95 | SumW2(); | |
96 | AliInfo(Form("retrieving measured data from Container %s at selection step %i.",fContainer->GetName(),fSelData)); | |
563113d0 | 97 | } |
fb494025 | 98 | |
563113d0 | 99 | //____________________________________________________________________ |
fb494025 | 100 | AliCFDataGrid::AliCFDataGrid(const AliCFDataGrid& data) : |
101 | AliCFGridSparse(data), | |
563113d0 | 102 | fSelData(-1), |
103 | fContainer(0x0) | |
104 | { | |
105 | // | |
106 | // copy constructor | |
107 | // | |
108 | ((AliCFDataGrid &)data).Copy(*this); | |
109 | } | |
110 | ||
111 | //____________________________________________________________________ | |
112 | AliCFDataGrid::~AliCFDataGrid() | |
113 | { | |
114 | // | |
115 | // destructor | |
116 | // | |
117 | } | |
fb494025 | 118 | |
563113d0 | 119 | //____________________________________________________________________ |
120 | AliCFDataGrid &AliCFDataGrid::operator=(const AliCFDataGrid &c) | |
121 | { | |
122 | // | |
123 | // assigment operator | |
124 | // | |
fb494025 | 125 | if (this != &c) c.Copy(*this); |
563113d0 | 126 | return *this; |
127 | } | |
563113d0 | 128 | |
fb494025 | 129 | //____________________________________________________________________ |
563113d0 | 130 | void AliCFDataGrid::SetMeasured(Int_t istep) |
131 | { | |
132 | // | |
133 | // Deposit observed data over the grid | |
134 | // | |
616d0493 | 135 | AliInfo("Deprecated, will be removed soon !!\nPlease specify selection step in constructor."); |
9be0fa4e | 136 | |
137 | fSelData = istep ; | |
138 | //simply clones the container's data at specified step | |
fb494025 | 139 | fData = (THnSparse*) fContainer->GetGrid(istep)->GetGrid()->Clone(); |
9be0fa4e | 140 | SumW2(); |
141 | AliInfo(Form("retrieving measured data from Container %s at selection step %i.",fContainer->GetName(),fSelData)); | |
563113d0 | 142 | } |
143 | //____________________________________________________________________ | |
144 | void AliCFDataGrid::ApplyEffCorrection(const AliCFEffGrid &c) | |
145 | { | |
146 | ||
147 | // | |
148 | // Apply the efficiency correction | |
149 | // | |
fb494025 | 150 | if (c.GetNVar()!=GetNVar()) { |
563113d0 | 151 | AliInfo("Different number of variables, cannot apply correction"); |
152 | return; | |
153 | } | |
9be0fa4e | 154 | Divide(&c); |
155 | AliInfo(Form("correction applied on data grid %s with efficiency %s.",GetName(),c.GetName())); | |
563113d0 | 156 | } |
157 | //____________________________________________________________________ | |
158 | void AliCFDataGrid::ApplyBGCorrection(const AliCFDataGrid &c) | |
159 | { | |
160 | ||
161 | // | |
162 | // Apply correction for background | |
163 | // | |
fb494025 | 164 | if (c.GetNVar()!=GetNVar()) { |
563113d0 | 165 | AliInfo("Different number of variables, cannot apply correction"); |
166 | return; | |
167 | } | |
e8ef142b | 168 | Add(&c,-1); |
9be0fa4e | 169 | AliInfo(Form("background %s subtracted from data %s.",c.GetName(),GetName())); |
563113d0 | 170 | } |
fb494025 | 171 | |
563113d0 | 172 | //____________________________________________________________________ |
9be0fa4e | 173 | void AliCFDataGrid::Copy(TObject& c) const |
563113d0 | 174 | { |
175 | // copy function | |
9be0fa4e | 176 | Copy(c); |
177 | AliCFDataGrid& target = (AliCFDataGrid &) c; | |
563113d0 | 178 | target.fContainer=fContainer; |
179 | target.fSelData=fSelData; | |
563113d0 | 180 | } |