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