Adding the light nuclei as requested in Savannah ticket #72834. The second try.
[u/mrichter/AliRoot.git] / CORRFW / AliCFDataGrid.cxx
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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//____________________________________________________________________
33ClassImp(AliCFDataGrid)
34
35//____________________________________________________________________
36AliCFDataGrid::AliCFDataGrid() :
25488e18 37 AliCFGridSparse(),
563113d0 38 fSelData(-1),
39 fContainer(0x0)
40{
41 //
42 // default constructor
43 //
563113d0 44}
45
46//____________________________________________________________________
47AliCFDataGrid::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 58AliCFDataGrid::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//____________________________________________________________________
70AliCFDataGrid::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 81AliCFDataGrid::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//____________________________________________________________________
93AliCFDataGrid::~AliCFDataGrid()
94{
95 //
96 // destructor
97 //
98}
fb494025 99
563113d0 100//____________________________________________________________________
101AliCFDataGrid &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 111void 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//____________________________________________________________________
124void 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//____________________________________________________________________
138void 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 }
e8ef142b 148 Add(&c,-1);
9be0fa4e 149 AliInfo(Form("background %s subtracted from data %s.",c.GetName(),GetName()));
563113d0 150}
fb494025 151
563113d0 152//____________________________________________________________________
9be0fa4e 153void 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}