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5e319bd5 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, 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 | /* $Id: AliADCalibData.cxx, */ | |
17 | ||
aa8120bb | 18 | #include <TMath.h> |
19 | #include <TObjString.h> | |
20 | #include <TMap.h> | |
21 | #include <TH1F.h> | |
22 | #include <TH2F.h> | |
5e319bd5 | 23 | |
aa8120bb | 24 | #include "AliCDBManager.h" |
25 | #include "AliCDBEntry.h" | |
5e319bd5 | 26 | #include "AliADCalibData.h" |
aa8120bb | 27 | #include "AliADConst.h" |
28 | #include "AliLog.h" | |
5e319bd5 | 29 | |
30 | ClassImp(AliADCalibData) | |
31 | ||
32 | ||
33 | //________________________________________________________________ | |
aa8120bb | 34 | AliADCalibData::AliADCalibData(): |
35 | fLightYields(NULL), | |
36 | fPMGainsA(NULL), | |
37 | fPMGainsB(NULL) | |
5e319bd5 | 38 | { |
aa8120bb | 39 | // default constructor |
40 | ||
41 | for(int t=0; t<16; t++) { | |
42 | fMeanHV[t] = 100.0; | |
43 | fWidthHV[t] = 0.0; | |
44 | fTimeOffset[t] = 5.0; | |
45 | fTimeGain[t] = 1.0; | |
46 | fDeadChannel[t]= kFALSE; | |
47 | fDiscriThr[t] = 2.5; | |
48 | } | |
49 | for(int t=0; t<32; t++) { | |
50 | fPedestal[t] = 0.0; | |
51 | fSigma[t] = 0.0; | |
52 | fADCmean[t] = 0.0; | |
53 | fADCsigma[t] = 0.0; | |
54 | } | |
55 | for(int i=0; i<kNCIUBoards ;i++) { | |
56 | fTimeResolution[i] = 25./256.; // Default time resolution | |
57 | fWidthResolution[i] = 25./64.; // Default time width resolution | |
58 | fMatchWindow[i] = 4; | |
59 | fSearchWindow[i] = 16; | |
60 | fTriggerCountOffset[i] = 3247; | |
61 | fRollOver[i] = 3563; | |
62 | } | |
5e319bd5 | 63 | |
aa8120bb | 64 | } |
5e319bd5 | 65 | //________________________________________________________________ |
66 | void AliADCalibData::Reset() | |
67 | { | |
68 | ||
69 | } | |
70 | ||
71 | //________________________________________________________________ | |
72 | AliADCalibData::AliADCalibData(const char* name) : | |
aa8120bb | 73 | fLightYields(NULL), |
74 | fPMGainsA(NULL), | |
75 | fPMGainsB(NULL) | |
5e319bd5 | 76 | { |
aa8120bb | 77 | // Constructor |
78 | TString namst = "Calib_"; | |
79 | namst += name; | |
80 | SetName(namst.Data()); | |
81 | SetTitle(namst.Data()); | |
82 | for(int t=0; t<16; t++) { | |
83 | fMeanHV[t] = 100.0; | |
84 | fWidthHV[t] = 0.0; | |
85 | fTimeOffset[t] = 5.0; | |
86 | fTimeGain[t] = 1.0; | |
87 | fDeadChannel[t]= kFALSE; | |
88 | fDiscriThr[t] = 2.5; | |
89 | } | |
90 | for(int t=0; t<32; t++) { | |
91 | fPedestal[t] = 0.0; | |
92 | fSigma[t] = 0.0; | |
93 | fADCmean[t] = 0.0; | |
94 | fADCsigma[t] = 0.0; | |
95 | } | |
96 | for(int i=0; i<kNCIUBoards ;i++) { | |
97 | fTimeResolution[i] = 25./256.; // Default time resolution in ns / channel | |
98 | fWidthResolution[i] = 25./64.; // Default time width resolution in ns / channel | |
99 | fMatchWindow[i] = 4; | |
100 | fSearchWindow[i] = 16; | |
101 | fTriggerCountOffset[i] = 3247; | |
102 | fRollOver[i] = 3563; | |
103 | } | |
5e319bd5 | 104 | } |
105 | ||
106 | //________________________________________________________________ | |
107 | AliADCalibData::AliADCalibData(const AliADCalibData& calibda) : | |
aa8120bb | 108 | TNamed(calibda), |
109 | fLightYields(NULL), | |
110 | fPMGainsA(NULL), | |
111 | fPMGainsB(NULL) | |
5e319bd5 | 112 | { |
113 | // copy constructor | |
114 | ||
115 | SetName(calibda.GetName()); | |
116 | SetTitle(calibda.GetName()); | |
117 | ||
aa8120bb | 118 | for(int t=0; t<32; t++) { |
119 | fPedestal[t] = calibda.GetPedestal(t); | |
120 | fSigma[t] = calibda.GetSigma(t); | |
121 | fADCmean[t] = calibda.GetADCmean(t); | |
122 | fADCsigma[t] = calibda.GetADCsigma(t); } | |
123 | ||
124 | for(int t=0; t<16; t++) { | |
125 | fMeanHV[t] = calibda.GetMeanHV(t); | |
126 | fWidthHV[t] = calibda.GetWidthHV(t); | |
127 | fTimeOffset[t] = calibda.GetTimeOffset(t); | |
128 | fTimeGain[t] = calibda.GetTimeGain(t); | |
129 | fDeadChannel[t] = calibda.IsChannelDead(t); | |
130 | fDiscriThr[t] = calibda.GetDiscriThr(t); | |
131 | } | |
132 | ||
133 | for(int i=0; i<kNCIUBoards ;i++) { | |
134 | fTimeResolution[i] = calibda.GetTimeResolution(i); | |
135 | fWidthResolution[i] = calibda.GetWidthResolution(i); | |
136 | fMatchWindow[i] = calibda.GetMatchWindow(i); | |
137 | fSearchWindow[i] = calibda.GetSearchWindow(i); | |
138 | fTriggerCountOffset[i] = calibda.GetTriggerCountOffset(i); | |
139 | fRollOver[i] = calibda.GetRollOver(i); | |
5e319bd5 | 140 | } |
aa8120bb | 141 | |
5e319bd5 | 142 | } |
5e319bd5 | 143 | |
5e319bd5 | 144 | //________________________________________________________________ |
145 | AliADCalibData &AliADCalibData::operator =(const AliADCalibData& calibda) | |
146 | { | |
147 | // assignment operator | |
148 | ||
149 | SetName(calibda.GetName()); | |
150 | SetTitle(calibda.GetName()); | |
aa8120bb | 151 | |
152 | for(int t=0; t<32; t++) { | |
153 | fPedestal[t] = calibda.GetPedestal(t); | |
154 | fSigma[t] = calibda.GetSigma(t); | |
155 | fADCmean[t] = calibda.GetADCmean(t); | |
156 | fADCsigma[t] = calibda.GetADCsigma(t); } | |
157 | ||
158 | for(int t=0; t<16; t++) { | |
159 | fMeanHV[t] = calibda.GetMeanHV(t); | |
160 | fWidthHV[t] = calibda.GetWidthHV(t); | |
161 | fTimeOffset[t] = calibda.GetTimeOffset(t); | |
162 | fTimeGain[t] = calibda.GetTimeGain(t); | |
163 | fDeadChannel[t] = calibda.IsChannelDead(t); | |
164 | fDiscriThr[t] = calibda.GetDiscriThr(t); | |
165 | } | |
166 | for(int i=0; i<kNCIUBoards ;i++) { | |
167 | fTimeResolution[i] = calibda.GetTimeResolution(i); | |
168 | fWidthResolution[i] = calibda.GetWidthResolution(i); | |
169 | fMatchWindow[i] = calibda.GetMatchWindow(i); | |
170 | fSearchWindow[i] = calibda.GetSearchWindow(i); | |
171 | fTriggerCountOffset[i] = calibda.GetTriggerCountOffset(i); | |
172 | fRollOver[i] = calibda.GetRollOver(i); | |
5e319bd5 | 173 | } |
aa8120bb | 174 | |
5e319bd5 | 175 | return *this; |
aa8120bb | 176 | |
5e319bd5 | 177 | } |
5e319bd5 | 178 | |
aa8120bb | 179 | //________________________________________________________________ |
180 | AliADCalibData::~AliADCalibData() | |
181 | { | |
182 | // destructor | |
183 | if (fLightYields) | |
184 | delete [] fLightYields; | |
185 | if (fPMGainsA) | |
186 | delete [] fPMGainsA; | |
187 | if (fPMGainsB) | |
188 | delete [] fPMGainsB; | |
189 | } | |
5e319bd5 | 190 | |
aa8120bb | 191 | //________________________________________________________________ |
192 | Int_t AliADCalibData::GetBoardNumber(Int_t channel) | |
193 | { | |
194 | // Get FEE board number | |
195 | // from offline channel index | |
196 | if (channel >= 0 && channel < 16) return (channel); | |
197 | //if (channel >=8 && channel < 16) return (channel / 2); | |
5e319bd5 | 198 | |
aa8120bb | 199 | AliErrorClass(Form("Wrong channel index: %d",channel)); |
200 | return -1; | |
5e319bd5 | 201 | } |
5e319bd5 | 202 | |
203 | //________________________________________________________________ | |
aa8120bb | 204 | Float_t AliADCalibData::GetLightYields(Int_t channel) |
5e319bd5 | 205 | { |
aa8120bb | 206 | // Get the light yield efficiency |
207 | // for a given channel | |
208 | if (!fLightYields) InitLightYields(); | |
209 | ||
210 | if (channel >= 0 && channel < 64) { | |
211 | return fLightYields[channel]; | |
212 | } | |
5e319bd5 | 213 | |
aa8120bb | 214 | AliError(Form("Wrong channel index: %d",channel)); |
215 | return 0; | |
216 | } | |
5e319bd5 | 217 | |
218 | //________________________________________________________________ | |
aa8120bb | 219 | void AliADCalibData::InitLightYields() |
5e319bd5 | 220 | { |
aa8120bb | 221 | // Initialize the light yield factors |
222 | // Read from a separate OCDB entry | |
223 | if (fLightYields) return; | |
224 | ||
225 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/LightYields"); | |
226 | if (!entry) AliFatal("AD light yields are not found in OCDB !"); | |
227 | TH1F *yields = (TH1F*)entry->GetObject(); | |
228 | ||
229 | fLightYields = new Float_t[16]; | |
230 | for(Int_t i = 0 ; i < 16; ++i) { | |
231 | fLightYields[i] = yields->GetBinContent(i+1); | |
232 | } | |
5e319bd5 | 233 | } |
234 | ||
aa8120bb | 235 | //________________________________________________________________ |
236 | void AliADCalibData::InitPMGains() | |
5e319bd5 | 237 | { |
aa8120bb | 238 | // Initialize the PM gain factors |
239 | // Read from a separate OCDB entry | |
240 | if (fPMGainsA) return; | |
241 | ||
242 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/PMGains"); | |
243 | if (!entry) AliFatal("VZERO PM gains are not found in OCDB !"); | |
244 | TH2F *gains = (TH2F*)entry->GetObject(); | |
245 | ||
246 | fPMGainsA = new Float_t[16]; | |
247 | fPMGainsB = new Float_t[16]; | |
248 | for(Int_t i = 0 ; i < 16; ++i) { | |
249 | fPMGainsA[i] = gains->GetBinContent(i+1,1); | |
250 | fPMGainsB[i] = gains->GetBinContent(i+1,2); | |
251 | } | |
5e319bd5 | 252 | } |
253 | ||
aa8120bb | 254 | //________________________________________________________________ |
255 | Float_t AliADCalibData::GetGain(Int_t channel) | |
5e319bd5 | 256 | { |
aa8120bb | 257 | // Computes the PM gains |
258 | // Argument passed is the PM number (aliroot numbering) | |
259 | if (!fPMGainsA) InitPMGains(); | |
260 | ||
261 | // High Voltage retrieval from Calibration Data Base: | |
262 | Float_t hv = fMeanHV[channel]; | |
263 | Float_t gain = 0; | |
264 | if (hv>0) | |
265 | gain = TMath::Exp(fPMGainsA[channel]+fPMGainsB[channel]*TMath::Log(hv)); | |
266 | return gain; | |
5e319bd5 | 267 | } |
268 | ||
aa8120bb | 269 | //________________________________________________________________ |
270 | Float_t AliADCalibData::GetCalibDiscriThr(Int_t channel, Bool_t scaled) | |
271 | { | |
272 | // The method returns actual TDC discri threshold | |
273 | // extracted from the data. | |
274 | // | |
275 | // In case scaled flag is set the threshold is scaled | |
276 | // so that to get 4.0 for a FEE threshold of 4.0. | |
277 | // In this way we avoid a change in the slewing correction | |
278 | // for the entire 2010 p-p data. | |
279 | // | |
280 | // The method is to be moved to OCDB object. | |
281 | ||
282 | Float_t thr = GetDiscriThr(channel); | |
283 | ||
284 | Float_t calThr = 0; | |
285 | if (thr <= 1.) | |
286 | calThr = 3.1; | |
287 | else if (thr >= 2.) | |
288 | calThr = (3.1+1.15*thr-1.7); | |
289 | else | |
290 | calThr = (3.1-0.3*thr+0.3*thr*thr); | |
291 | ||
292 | if (scaled) calThr *= 4./(3.1+1.15*4.-1.7); | |
293 | ||
294 | return calThr; | |
295 | } |