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4a66240a | 1 | /************************************************************************** |
2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
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 | **************************************************************************/ | |
15 | /////////////////////////////////////////////////////////////////////////// | |
16 | // Base Plane Efficiency class for ITS | |
17 | // Specific subdetector implementation is done in | |
18 | // AliITSPlaneEffSPD | |
19 | // AliITSPlaneEffSDD | |
20 | // AliITSPlaneEffSSD | |
21 | // | |
22 | // Author: G.E. Bruno | |
23 | // giuseppe.bruno@ba.infn.it | |
24 | // | |
25 | /////////////////////////////////////////////////////////////////////////// | |
26 | ||
27 | /* $Id$ */ | |
28 | ||
29 | #include <TMath.h> | |
30 | #include "AliITSPlaneEff.h" | |
31 | #include "AliLog.h" | |
32 | #include "AliCDBManager.h" | |
33 | #include "AliCDBStorage.h" | |
34 | ||
35 | ClassImp(AliITSPlaneEff) | |
36 | //______________________________________________________________________ | |
7167ae53 | 37 | AliITSPlaneEff::AliITSPlaneEff(): AliPlaneEff(), |
4a66240a | 38 | fRunNumber(0), |
39 | fCDBUri(""), | |
5fbd4fd6 | 40 | fInitCDBCalled(kFALSE), |
41 | fHis(kFALSE) | |
4a66240a | 42 | { |
43 | // Default constructor | |
44 | // Inputs: | |
45 | // none. | |
46 | // Outputs: | |
47 | // none. | |
48 | // Return: | |
49 | // a default constructed AliITSPlaneEff class | |
b0b80d33 | 50 | //InitCDB(); |
4a66240a | 51 | } |
52 | //______________________________________________________________________ | |
7167ae53 | 53 | AliITSPlaneEff::AliITSPlaneEff(const AliITSPlaneEff &s) : AliPlaneEff(s), |
4a66240a | 54 | fRunNumber(s.fRunNumber), |
55 | fCDBUri(s.fCDBUri), | |
5fbd4fd6 | 56 | fInitCDBCalled(s.fInitCDBCalled), |
57 | fHis(s.fHis) | |
4a66240a | 58 | { |
59 | // Copy Constructor | |
60 | // Inputs: | |
61 | // const AliITSPlaneEff &s simulation class to copy from | |
62 | // Outputs: | |
63 | // none. | |
64 | // Return: | |
65 | // a standard constructed AliITSPlaneEff class with values the same | |
66 | // as that of s. | |
67 | ||
68 | } | |
69 | //_________________________________________________________________________ | |
70 | //void AliITSPlaneEff::operator+=(const AliITSPlaneEff &add){ | |
71 | // Add to me operator | |
72 | // Inputs: | |
73 | // const AliITSPlaneEff &add simulation class to be added | |
74 | // Outputs: | |
75 | // none. | |
76 | // Return: | |
77 | // none | |
78 | ||
79 | // return; | |
80 | //} | |
81 | //_________________________________________________________________________ | |
82 | AliITSPlaneEff& AliITSPlaneEff::operator=(const AliITSPlaneEff &source){ | |
83 | // Assignment operator | |
84 | // Inputs: | |
85 | // const AliITSPlaneEff &source simulation class to copy from | |
86 | // Outputs: | |
87 | // none. | |
88 | // Return: | |
89 | // a standard constructed AliITSPlaneEff class with values the same | |
90 | // as that of s. | |
91 | if(this != &source){ | |
92 | source.Copy(*this); | |
93 | } | |
94 | return *this; | |
4a66240a | 95 | } |
7167ae53 | 96 | //_________________________________________________________________________ |
97 | /* | |
98 | AliPlaneEff& AliITSPlaneEff::operator=(const | |
99 | AliPlaneEff &s){ | |
100 | // Assignment operator | |
101 | // Inputs: | |
102 | // AliPlaneEff &s The original class for which | |
103 | // this class is a copy of | |
104 | // Outputs: | |
105 | // none. | |
106 | // Return: | |
107 | ||
108 | if(&s == this) return *this; | |
109 | AliWarning("AliITSPlaneEff Not allowed to make a = Using default creator instead"); | |
110 | return *this; | |
111 | } | |
112 | */ | |
113 | //_________________________________________________________________________ | |
4a66240a | 114 | void AliITSPlaneEff::Copy(TObject &obj) const { |
115 | // copy this to obj | |
116 | ((AliITSPlaneEff& ) obj).fRunNumber = fRunNumber; | |
117 | ((AliITSPlaneEff& ) obj).fCDBUri = fCDBUri; | |
118 | ((AliITSPlaneEff& ) obj).fInitCDBCalled = fInitCDBCalled; | |
5fbd4fd6 | 119 | ((AliITSPlaneEff& ) obj).fHis = fHis; |
4a66240a | 120 | } |
121 | //_________________________________________________________________________ | |
122 | Double_t AliITSPlaneEff::PlaneEff(Int_t nf,Int_t nt) const { | |
123 | // Compute the efficiency for a basic block, | |
124 | // Inputs: | |
125 | // number of associated cluslters (nf) | |
126 | // number of used tracks (nt) | |
127 | // Outputs: | |
128 | // none. | |
129 | // Return: | |
130 | // the efficiency | |
131 | if(nf<0 || nt<=0 || nt<nf) { | |
132 | AliInfo(Form("AliITSPlaneEff::PlaneEff: nfound= %i, ntried= %i",nf,nt)); | |
133 | return -1.;} | |
134 | Double_t eff=nf; | |
135 | return eff/=nt; | |
136 | } | |
137 | //_________________________________________________________________________ | |
138 | Double_t AliITSPlaneEff::ErrPlaneEff(Int_t nf,Int_t nt) const{ | |
139 | // Compute the statistical error on efficiency for a basic block, | |
140 | // using binomial statistics | |
141 | // Inputs: | |
142 | // number of associated cluslters (nf) | |
143 | // number of used tracks (nt) | |
144 | // Outputs: | |
145 | // none. | |
146 | // Return: | |
147 | // the error on the efficiency | |
148 | if(nf<0 || nt<=0 || nt<nf) { | |
149 | AliInfo(Form("AliITSPlaneEff::ErrPlaneEff: nfound= %i, ntried= %i",nf,nt)); | |
150 | return -1.;} | |
1cc5cedc | 151 | Double_t err=TMath::Sqrt((Double_t)nf*(1.-(Double_t)nf/(Double_t)nt)); |
152 | return err/=(Double_t)nt; | |
4a66240a | 153 | } |
154 | //______________________________________________________________________ | |
155 | Int_t AliITSPlaneEff::GetNTracksForGivenEff(Double_t eff, Double_t RelErr) const { | |
156 | // Estimate of the number of tracks needed for measuring efficiency | |
157 | // with a given relative error using binomial statistics | |
158 | // Inputs: | |
159 | // exspected efficiency eff (e.g. from previous measurements) | |
160 | // wished relative error RelErr | |
161 | // Outputs: | |
162 | // none. | |
163 | // Return: number of tracks given as the nearest integer | |
164 | if(eff<=0 || eff>1 || RelErr<=0 ) { | |
165 | AliInfo(Form("AliITSPlaneEff::GetNTracksForGivenEff: eff= %f, RelErr= %f",eff,RelErr)); | |
166 | return -1;} | |
167 | return TMath::Nint((1-eff)/(eff*RelErr*RelErr)); | |
168 | } | |
169 | //________________________________________________________________________ | |
170 | void AliITSPlaneEff::InitCDB() | |
171 | { | |
172 | // activate a default CDB storage | |
173 | // First check if we have any CDB storage set, because it is used | |
174 | // to retrieve the calibration and alignment constants | |
175 | ||
b0b80d33 | 176 | //if (fInitCDBCalled) return; |
4a66240a | 177 | fInitCDBCalled = kTRUE; |
178 | ||
179 | AliCDBManager* man = AliCDBManager::Instance(); | |
180 | if (man->IsDefaultStorageSet()) | |
181 | { | |
182 | AliWarning("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); | |
183 | AliWarning("Default CDB storage has been already set !"); | |
184 | AliWarning(Form("Ignoring the default storage declared in AliITSPlaneEff: %s",fCDBUri.Data())); | |
185 | AliWarning("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); | |
186 | fCDBUri = man->GetDefaultStorage()->GetURI(); | |
187 | } | |
188 | else { | |
189 | if (fCDBUri.Length() > 0) | |
190 | { | |
191 | AliDebug(2,"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); | |
192 | AliDebug(2, Form("Default CDB storage is set to: %s", fCDBUri.Data())); | |
193 | AliDebug(2, "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); | |
194 | } else { | |
162637e4 | 195 | fCDBUri="local://$ALICE_ROOT/OCDB"; |
4a66240a | 196 | AliWarning("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); |
197 | AliWarning("Default CDB storage not yet set !!!!"); | |
198 | AliWarning(Form("Setting it now to: %s", fCDBUri.Data())); | |
199 | AliWarning("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); | |
200 | ||
201 | } | |
202 | man->SetDefaultStorage(fCDBUri); | |
b0b80d33 | 203 | man->SetRun(fRunNumber); |
4a66240a | 204 | } |
b0b80d33 | 205 | return; |
4a66240a | 206 | } |
207 | //_____________________________________________________________________________ | |
208 | void AliITSPlaneEff::SetDefaultStorage(const char* uri) { | |
209 | // Store the desired default CDB storage location | |
210 | // Activate it later within the Run() method | |
211 | ||
212 | fCDBUri = uri; | |
213 | ||
214 | } | |
215 |