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a42992b7 | 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: AliEMCALCalibTimeDep.cxx $ */ | |
17 | ||
18 | //_________________________________________________________________________ | |
19 | ///*-- Author: | |
20 | /////////////////////////////////////////////////////////////////////////////// | |
21 | // // | |
0ce5c45d | 22 | // class for EMCAL time-dep calibration |
23 | // - supposed to run in preprocessor | |
24 | // we use input from the following sources: | |
ed3db319 | 25 | // AliEMCALCalibTempCoeff (APD temperature coefficients), |
0ce5c45d | 26 | // AliCaloCalibSignal (LED DA), AliEMCALSensorTempArray (ELMB DCS) |
27 | // AliEMCALCalibReference: LED amplitude and temperature info at reference time | |
28 | // | |
29 | // output/result is in AliEMCALCalibTimeDepCorrection | |
a42992b7 | 30 | // // |
31 | /////////////////////////////////////////////////////////////////////////////// | |
32 | ||
33 | #include <iostream> | |
34 | #include <TGraphSmooth.h> | |
e1a60af4 | 35 | #include <TMath.h> |
a42992b7 | 36 | #include "AliLog.h" |
37 | #include "AliCDBEntry.h" | |
38 | #include "AliCDBManager.h" | |
39 | #include "AliEMCALSensorTempArray.h" | |
d81e6423 | 40 | #include "AliCaloCalibSignal.h" |
ed3db319 | 41 | #include "AliEMCALCalibTempCoeff.h" |
82d90a2f | 42 | #include "AliEMCALCalibReference.h" |
d81e6423 | 43 | #include "AliEMCALCalibTimeDepCorrection.h" |
a42992b7 | 44 | #include "AliEMCALCalibTimeDep.h" |
45 | ||
46 | /* first a bunch of constants.. */ | |
0ce5c45d | 47 | const double kSecToHour = 1.0/3600.0; // conversion factor from seconds to hours |
a42992b7 | 48 | |
d81e6423 | 49 | // some global variables for APD handling; values from Catania studies, best fit |
50 | // TempCoeff = p0+p1*M (M=gain), where p0 and and p1 are functions of the dark current | |
0ce5c45d | 51 | const double kTempCoeffP0Const = -0.903; // |
52 | const double kTempCoeffP0Factor = -1.381e7; // | |
53 | const double kTempCoeffP1Const = -0.023; // | |
54 | const double kTempCoeffP1Factor = -4.966e5; // | |
d81e6423 | 55 | |
1740b16f | 56 | const double kTempMaxDiffMedian = 2; // Temperature values should not be further away from median value within SM when considered in the average calc. |
57 | ||
0ce5c45d | 58 | const double kErrorCode = -999; // to indicate that something went wrong |
621ff010 | 59 | |
a42992b7 | 60 | using namespace std; |
61 | ||
62 | ClassImp(AliEMCALCalibTimeDep) | |
63 | ||
64 | //________________________________________________________________ | |
65 | AliEMCALCalibTimeDep::AliEMCALCalibTimeDep() : | |
66 | fRun(0), | |
67 | fStartTime(0), | |
68 | fEndTime(0), | |
69 | fMinTemp(0), | |
70 | fMaxTemp(0), | |
716fca62 | 71 | fMinTempVariation(0), |
72 | fMaxTempVariation(0), | |
1740b16f | 73 | fMinTempValid(15), |
74 | fMaxTempValid(35), | |
a42992b7 | 75 | fMinTime(0), |
76 | fMaxTime(0), | |
d81e6423 | 77 | fTemperatureResolution(0.1), // 0.1 deg C is default |
ed3db319 | 78 | fMaxTemperatureDiff(5), // 5 deg C is default max diff relative to reference |
d81e6423 | 79 | fTimeBinsPerHour(2), // 2 30-min bins per hour is default |
82d90a2f | 80 | fHighLowGainFactor(16), // factor ~16 between High gain and low gain |
d81e6423 | 81 | fTempArray(NULL), |
82 | fCalibSignal(NULL), | |
ed3db319 | 83 | fCalibTempCoeff(NULL), |
82d90a2f | 84 | fCalibReference(NULL), |
716fca62 | 85 | fCalibTimeDepCorrection(NULL), |
86 | fVerbosity(0) | |
a42992b7 | 87 | { |
88 | // Constructor | |
89 | } | |
90 | ||
91 | //________________________________________________________________ | |
92 | AliEMCALCalibTimeDep::AliEMCALCalibTimeDep(const AliEMCALCalibTimeDep& calibt) : | |
621ff010 | 93 | TObject(calibt), |
a42992b7 | 94 | fRun(calibt.GetRunNumber()), |
95 | fStartTime(calibt.GetStartTime()), | |
96 | fEndTime(calibt.GetEndTime()), | |
97 | fMinTemp(calibt.GetMinTemp()), | |
98 | fMaxTemp(calibt.GetMaxTemp()), | |
716fca62 | 99 | fMinTempVariation(calibt.GetMinTempVariation()), |
100 | fMaxTempVariation(calibt.GetMaxTempVariation()), | |
1740b16f | 101 | fMinTempValid(calibt.GetMinTempValid()), |
102 | fMaxTempValid(calibt.GetMaxTempValid()), | |
a42992b7 | 103 | fMinTime(calibt.GetMinTime()), |
104 | fMaxTime(calibt.GetMaxTime()), | |
d81e6423 | 105 | fTemperatureResolution(calibt.GetTemperatureResolution()), |
ed3db319 | 106 | fMaxTemperatureDiff(calibt.GetMaxTemperatureDiff()), |
d81e6423 | 107 | fTimeBinsPerHour(calibt.GetTimeBinsPerHour()), |
82d90a2f | 108 | fHighLowGainFactor(calibt.GetHighLowGainFactor()), |
d81e6423 | 109 | fTempArray(calibt.GetTempArray()), |
110 | fCalibSignal(calibt.GetCalibSignal()), | |
ed3db319 | 111 | fCalibTempCoeff(calibt.GetCalibTempCoeff()), |
82d90a2f | 112 | fCalibReference(calibt.GetCalibReference()), |
716fca62 | 113 | fCalibTimeDepCorrection(calibt.GetCalibTimeDepCorrection()), |
114 | fVerbosity(calibt.GetVerbosity()) | |
a42992b7 | 115 | { |
116 | // copy constructor | |
117 | } | |
118 | ||
119 | ||
120 | //________________________________________________________________ | |
121 | AliEMCALCalibTimeDep &AliEMCALCalibTimeDep::operator =(const AliEMCALCalibTimeDep& calibt) | |
122 | { | |
123 | // assignment operator; use copy ctor | |
124 | if (&calibt == this) return *this; | |
125 | ||
126 | new (this) AliEMCALCalibTimeDep(calibt); | |
127 | return *this; | |
128 | } | |
129 | ||
130 | //________________________________________________________________ | |
131 | AliEMCALCalibTimeDep::~AliEMCALCalibTimeDep() | |
132 | { | |
133 | // Destructor | |
134 | } | |
135 | ||
136 | //________________________________________________________________ | |
137 | void AliEMCALCalibTimeDep::Reset() | |
138 | { | |
139 | // clear variables to default | |
140 | fRun = 0; | |
141 | fStartTime = 0; | |
142 | fEndTime = 0; | |
143 | fMinTemp = 0; | |
144 | fMaxTemp = 0; | |
716fca62 | 145 | fMinTempVariation = 0; |
146 | fMaxTempVariation = 0; | |
1740b16f | 147 | fMinTempValid = 15; |
148 | fMaxTempValid = 35; | |
a42992b7 | 149 | fMinTime = 0; |
150 | fMaxTime = 0; | |
d81e6423 | 151 | fTemperatureResolution = 0.1; // 0.1 deg C is default |
ed3db319 | 152 | fMaxTemperatureDiff = 5; // 5 deg C is default max diff relative to reference |
d81e6423 | 153 | fTimeBinsPerHour = 2; // 2 30-min bins per hour is default |
a42992b7 | 154 | fTempArray = NULL; |
d81e6423 | 155 | fCalibSignal = NULL; |
ed3db319 | 156 | fCalibTempCoeff = NULL; |
82d90a2f | 157 | fCalibReference = NULL; |
d81e6423 | 158 | fCalibTimeDepCorrection = NULL; |
716fca62 | 159 | fVerbosity = 0; |
a42992b7 | 160 | return; |
161 | } | |
162 | ||
163 | //________________________________________________________________ | |
621ff010 | 164 | void AliEMCALCalibTimeDep::PrintInfo() const |
a42992b7 | 165 | { |
166 | // print some info | |
d81e6423 | 167 | cout << endl << " AliEMCALCalibTimeDep::PrintInfo() " << endl; |
a42992b7 | 168 | // basic variables, all 'publicly available' also |
169 | cout << " VARIABLE DUMP: " << endl | |
170 | << " GetStartTime() " << GetStartTime() << endl | |
171 | << " GetEndTime() " << GetEndTime() << endl | |
716fca62 | 172 | << " GetMinTime() " << GetMinTime() << endl |
173 | << " GetMaxTime() " << GetMaxTime() << endl | |
a42992b7 | 174 | << " GetMinTemp() " << GetMinTemp() << endl |
716fca62 | 175 | << " GetMaxTemp() " << GetMaxTemp() << endl |
176 | << " GetMinTempVariation() " << GetMinTempVariation() << endl | |
1740b16f | 177 | << " GetMaxTempVariation() " << GetMaxTempVariation() << endl |
178 | << " GetTemperatureResolution() " << GetTemperatureResolution() << endl; | |
a42992b7 | 179 | // run ranges |
180 | cout << " RUN INFO: " << endl | |
716fca62 | 181 | << " runnumber " << GetRunNumber() << endl |
a42992b7 | 182 | << " length (in hours) " << GetLengthOfRunInHours() << endl |
ed3db319 | 183 | << " length (in bins) " << GetLengthOfRunInBins() << endl |
a42992b7 | 184 | << " range of temperature measurements (in hours) " << GetRangeOfTempMeasureInHours() |
185 | << " (in deg. C) " << GetRangeOfTempMeasureInDegrees() | |
186 | << endl; | |
a42992b7 | 187 | |
188 | return; | |
189 | } | |
d81e6423 | 190 | |
a42992b7 | 191 | //________________________________________________________________ |
d81e6423 | 192 | Double_t AliEMCALCalibTimeDep::GetLengthOfRunInHours() const |
a42992b7 | 193 | { |
0ce5c45d | 194 | return (fEndTime - fStartTime)*kSecToHour; |
a42992b7 | 195 | } |
d81e6423 | 196 | |
197 | //________________________________________________________________ | |
198 | Double_t AliEMCALCalibTimeDep::GetLengthOfRunInBins() const | |
199 | { | |
0ce5c45d | 200 | return (fEndTime - fStartTime)*kSecToHour*fTimeBinsPerHour; |
d81e6423 | 201 | } |
202 | ||
a42992b7 | 203 | //________________________________________________________________ |
d81e6423 | 204 | Double_t AliEMCALCalibTimeDep::GetRangeOfTempMeasureInHours() const |
a42992b7 | 205 | { |
0ce5c45d | 206 | return (fMaxTime - fMinTime)*kSecToHour; |
a42992b7 | 207 | } |
d81e6423 | 208 | |
a42992b7 | 209 | //________________________________________________________________ |
d81e6423 | 210 | Double_t AliEMCALCalibTimeDep::GetRangeOfTempMeasureInDegrees() const |
a42992b7 | 211 | { |
212 | return (fMaxTemp - fMinTemp); | |
213 | } | |
214 | ||
215 | //________________________________________________________________ | |
216 | void AliEMCALCalibTimeDep::Initialize(Int_t run, | |
217 | UInt_t startTime, UInt_t endTime) | |
0ce5c45d | 218 | { // setup, and get temperature info |
a42992b7 | 219 | Reset(); // start fresh |
220 | ||
221 | fRun = run; | |
222 | fStartTime = startTime; | |
223 | fEndTime = endTime; | |
224 | ||
225 | // collect the needed information | |
226 | GetTemperatureInfo(); // temperature readings during the run | |
d81e6423 | 227 | ScanTemperatureInfo(); // see what the boundaries are (Min/Max Time/Temp) |
a42992b7 | 228 | |
229 | return; | |
230 | } | |
231 | ||
a42992b7 | 232 | //________________________________________________________________ |
d81e6423 | 233 | Double_t AliEMCALCalibTimeDep::GetTemperatureSM(int imod, UInt_t timeStamp) const |
a42992b7 | 234 | {// return estimate for this one SuperModule, if it had data |
235 | ||
236 | // first convert from seconds to hours.. | |
0ce5c45d | 237 | Double_t timeHour = (timeStamp - fStartTime) * kSecToHour; |
621ff010 | 238 | |
621ff010 | 239 | int n = 0; |
1740b16f | 240 | Double_t valArr[8]={0}; // 8 sensors per SM |
621ff010 | 241 | |
242 | for (int i=0; i<fTempArray->NumSensors(); i++) { | |
243 | ||
244 | AliEMCALSensorTemp *st = fTempArray->GetSensor(i); | |
245 | int module = st->GetSector()*2 + st->GetSide(); | |
246 | if ( module == imod ) { // right module | |
247 | // check if we had valid data for the time that is being asked for | |
248 | if ( timeStamp>=st->GetStartTime() && timeStamp<=st->GetEndTime() ) { | |
249 | AliSplineFit *f = st->GetFit(); | |
250 | if (f) { // ok, looks like we have valid data/info | |
251 | // let's check what the expected value at the time appears to be | |
d81e6423 | 252 | Double_t val = f->Eval(timeHour); |
716fca62 | 253 | if ( fVerbosity > 0 ) { |
254 | cout << " sensor i " << i << " val " << val << endl; | |
255 | } | |
1740b16f | 256 | if (val>fMinTempValid && val<fMaxTempValid && n<8) { |
257 | valArr[n] = val; | |
258 | n++; | |
259 | } | |
621ff010 | 260 | } |
261 | } // time | |
262 | } | |
263 | ||
264 | } // loop over fTempArray | |
265 | ||
266 | if (n>0) { // some valid data was found | |
1740b16f | 267 | Double_t median = TMath::Median(n, valArr); |
268 | Double_t average = 0; | |
269 | Int_t nval = 0; | |
270 | for (int is=0; is<n; is++) { | |
271 | if (TMath::Abs(valArr[is] - median) < kTempMaxDiffMedian) { | |
272 | average += valArr[is]; | |
273 | nval++; | |
274 | } | |
275 | } | |
4cf7bc35 | 276 | //cout << " n " << n << " nval " << nval << " median " << median << endl; |
1740b16f | 277 | if (nval > 0) { |
278 | average /= nval; | |
4cf7bc35 | 279 | //cout << " average " << average << endl; |
1740b16f | 280 | return average; |
281 | } | |
282 | else { // this case should not happen, but kept for completeness (coverity etc) | |
283 | return median; | |
284 | } | |
621ff010 | 285 | } |
286 | else { // no good data | |
0ce5c45d | 287 | return kErrorCode; |
621ff010 | 288 | } |
a42992b7 | 289 | |
a42992b7 | 290 | } |
291 | ||
a42992b7 | 292 | //________________________________________________________________ |
d81e6423 | 293 | Int_t AliEMCALCalibTimeDep::CalcCorrection() |
294 | { // OK, this is where the real action takes place - the heart of this class.. | |
295 | /* The philosophy is as follows: | |
716fca62 | 296 | 0. Init corrections to 1.0 values, and see how many correction bins we need |
297 | 1. Check how large temperature variations we have through the run - do we really need all the correction bias (otherwise adjust to single bin) | |
ed3db319 | 298 | 2. try to use temperature info + APD temperature coefficient info, to estimate correction. |
299 | For now (from Dec 2009), we do not use LED info. | |
d81e6423 | 300 | */ |
301 | ||
302 | // 0: Init | |
303 | // how many SuperModules do we have? | |
82d90a2f | 304 | Int_t nSM = fCalibReference->GetNSuperModule(); |
d81e6423 | 305 | // how many time-bins should we have for this run? |
ed3db319 | 306 | Int_t nBins = (Int_t) (GetLengthOfRunInBins() + 1); // round-up (from double to int; always at least 1) |
220ed45a | 307 | Int_t binSize = (Int_t) (3600/fTimeBinsPerHour); // in seconds |
716fca62 | 308 | |
309 | // 1: get info on how much individual sensors might have changed during | |
310 | // the run (compare max-min for each sensor separately) | |
311 | if (fMaxTempVariation < fTemperatureResolution) { | |
312 | nBins = 1; // just one bin needed.. | |
2c62d6a3 | 313 | } |
314 | if (nBins == 1) { | |
716fca62 | 315 | binSize = fEndTime - fStartTime; |
316 | } | |
1740b16f | 317 | if (fVerbosity > 0) { |
2c62d6a3 | 318 | cout << " nBins " << nBins << " binSize " << binSize << endl; |
319 | } | |
716fca62 | 320 | |
d81e6423 | 321 | // set up a reasonable default (correction = 1.0) |
716fca62 | 322 | fCalibTimeDepCorrection = new AliEMCALCalibTimeDepCorrection(nSM); |
d81e6423 | 323 | fCalibTimeDepCorrection->InitCorrection(nSM, nBins, 1.0); |
220ed45a | 324 | fCalibTimeDepCorrection->SetStartTime(fStartTime); |
325 | fCalibTimeDepCorrection->SetNTimeBins(nBins); | |
326 | fCalibTimeDepCorrection->SetTimeBinSize(binSize); | |
d81e6423 | 327 | |
716fca62 | 328 | // 2: try with Temperature correction |
329 | Int_t nRemaining = CalcTemperatureCorrection(nSM, nBins, binSize); | |
d81e6423 | 330 | |
331 | return nRemaining; | |
a42992b7 | 332 | } |
333 | ||
d81e6423 | 334 | |
335 | //________________________________________________________________ | |
336 | Double_t AliEMCALCalibTimeDep::GetTempCoeff(Double_t IDark, Double_t M) const | |
337 | { // estimate the Temperature Coefficient, based on the dark current (IDark) | |
338 | // and the gain (M), based on Catania parameterizations | |
339 | ||
0ce5c45d | 340 | Double_t dP0 = kTempCoeffP0Const + kTempCoeffP0Factor * IDark; |
341 | Double_t dP1 = kTempCoeffP1Const + kTempCoeffP1Factor * IDark; | |
d81e6423 | 342 | |
0ce5c45d | 343 | Double_t dTC = dP0 + dP1*M; |
ed3db319 | 344 | // from % numbers to regular ones..: |
345 | dTC *= 0.01; | |
d81e6423 | 346 | |
e1a60af4 | 347 | return TMath::Abs(dTC); // return the absolute value, to avoid any sign confusion |
d81e6423 | 348 | } |
349 | ||
350 | /* Next come the methods that do the work in picking up all the needed info..*/ | |
a42992b7 | 351 | //________________________________________________________________ |
352 | void AliEMCALCalibTimeDep::GetTemperatureInfo() | |
353 | { | |
354 | // pick up Preprocessor output, based on fRun (most recent version) | |
355 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/Temperature", fRun); | |
356 | if (entry) { | |
357 | fTempArray = (AliEMCALSensorTempArray *) entry->GetObject(); | |
358 | } | |
359 | ||
621ff010 | 360 | if (fTempArray) { |
a42992b7 | 361 | AliInfo( Form("NumSensors %d - IdDCS: first %d last %d", |
362 | fTempArray->NumSensors(), | |
363 | fTempArray->GetFirstIdDCS(), fTempArray->GetLastIdDCS() ) ); | |
621ff010 | 364 | } |
365 | else { | |
366 | AliWarning( Form("AliEMCALSensorTempArray not found!") ); | |
a42992b7 | 367 | } |
368 | ||
369 | return; | |
370 | } | |
d81e6423 | 371 | |
372 | //________________________________________________________________ | |
373 | Int_t AliEMCALCalibTimeDep::ScanTemperatureInfo() | |
374 | {// assign max/min time and temperature values | |
375 | ||
376 | fMinTemp = 999; // init to some large value (999 deg C) | |
377 | fMaxTemp = 0; | |
716fca62 | 378 | fMinTempVariation = 999; // init to some large value (999 deg C) |
379 | fMaxTempVariation = 0; | |
d81e6423 | 380 | fMinTime = 2147483647; // init to a large value in the far future (0x7fffffff), year 2038 times.. |
381 | fMaxTime = 0; | |
382 | ||
383 | Int_t n = 0; // number of valid readings | |
384 | ||
385 | for (int i=0; i<fTempArray->NumSensors(); i++) { | |
386 | ||
387 | AliEMCALSensorTemp *st = fTempArray->GetSensor(i); | |
716fca62 | 388 | if ( st->GetStartTime() == 0 ) { // no valid data |
389 | continue; | |
390 | } | |
d81e6423 | 391 | |
392 | // check time ranges | |
393 | if (fMinTime > st->GetStartTime()) { fMinTime = st->GetStartTime(); } | |
394 | if (fMaxTime < st->GetEndTime()) { fMaxTime = st->GetEndTime(); } | |
716fca62 | 395 | |
d81e6423 | 396 | // check temperature ranges |
716fca62 | 397 | AliSplineFit *f = st->GetFit(); |
398 | ||
399 | if (f) { // ok, looks like we have valid data/info | |
400 | int np = f->GetKnots(); | |
401 | Double_t *y0 = f->GetY0(); | |
402 | // min and max values within the single sensor | |
403 | Double_t min = 999; | |
404 | Double_t max = 0; | |
1740b16f | 405 | int nval = 0; |
716fca62 | 406 | for (int ip=0; ip<np; ip++) { |
1740b16f | 407 | if (y0[ip]>fMinTempValid && y0[ip]<fMaxTempValid) { |
408 | if (min > y0[ip]) { min = y0[ip]; } | |
409 | if (max < y0[ip]) { max = y0[ip]; } | |
410 | nval++; | |
411 | } | |
412 | } | |
413 | if (nval>0) { | |
414 | if (fMinTemp > min) { fMinTemp = min; } | |
415 | if (fMaxTemp < max) { fMaxTemp = max; } | |
416 | Double_t variation = max - min; | |
417 | if (fMinTempVariation > variation) { fMinTempVariation = variation; } | |
418 | if (fMaxTempVariation < variation) { fMaxTempVariation = variation; } | |
419 | ||
420 | n++; | |
716fca62 | 421 | } |
d81e6423 | 422 | } |
423 | } // loop over fTempArray | |
424 | ||
425 | if (n>0) { // some valid data was found | |
426 | return n; | |
427 | } | |
428 | else { // no good data | |
0ce5c45d | 429 | return (Int_t) kErrorCode; |
d81e6423 | 430 | } |
431 | ||
432 | } | |
433 | ||
434 | //________________________________________________________________ | |
435 | void AliEMCALCalibTimeDep::GetCalibSignalInfo() | |
436 | { | |
437 | // pick up Preprocessor output, based on fRun (most recent version) | |
438 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/LED", fRun); | |
439 | if (entry) { | |
440 | fCalibSignal = (AliCaloCalibSignal *) entry->GetObject(); | |
441 | } | |
442 | ||
443 | if (fCalibSignal) { | |
29b7e56e | 444 | AliInfo( Form("CalibSignal: NEvents %d NAcceptedEvents %d Entries %lld AvgEntries LEDRefEntries %lld LEDRefEntries %lld, LEDRefAvgEntries %lld", |
d81e6423 | 445 | fCalibSignal->GetNEvents(), fCalibSignal->GetNAcceptedEvents(), |
446 | fCalibSignal->GetTreeAmpVsTime()->GetEntries(), | |
447 | fCalibSignal->GetTreeAvgAmpVsTime()->GetEntries(), | |
29b7e56e | 448 | fCalibSignal->GetTreeLEDAmpVsTime()->GetEntries(), |
d81e6423 | 449 | fCalibSignal->GetTreeLEDAvgAmpVsTime()->GetEntries() ) ); |
450 | } | |
451 | else { | |
452 | AliWarning( Form("AliCaloCalibSignal not found!") ); | |
453 | } | |
454 | ||
455 | return; | |
456 | } | |
457 | ||
458 | //________________________________________________________________ | |
ed3db319 | 459 | void AliEMCALCalibTimeDep::GetCalibTempCoeffInfo() |
d81e6423 | 460 | { |
461 | // pick up Preprocessor output, based on fRun (most recent version) | |
ed3db319 | 462 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/TempCoeff", fRun); |
61917ab3 | 463 | // stored object should be a TTree; read the info |
d81e6423 | 464 | if (entry) { |
ed3db319 | 465 | fCalibTempCoeff = (AliEMCALCalibTempCoeff *) entry->GetObject(); |
d81e6423 | 466 | } |
467 | ||
ed3db319 | 468 | if (fCalibTempCoeff) { |
469 | AliInfo( Form("CalibTempCoeff: NSuperModule %d ", fCalibTempCoeff->GetNSuperModule() ) ); | |
d81e6423 | 470 | } |
471 | else { | |
ed3db319 | 472 | AliWarning( Form("AliEMCALCalibTempCoeff not found!") ); |
d81e6423 | 473 | } |
474 | ||
475 | return; | |
476 | } | |
477 | ||
478 | //________________________________________________________________ | |
82d90a2f | 479 | void AliEMCALCalibTimeDep::GetCalibReferenceInfo() |
d81e6423 | 480 | { |
481 | // pick up Preprocessor output, based on fRun (most recent version) | |
716fca62 | 482 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/Reference", fRun); |
d81e6423 | 483 | if (entry) { |
82d90a2f | 484 | fCalibReference = (AliEMCALCalibReference *) entry->GetObject(); |
d81e6423 | 485 | } |
486 | ||
82d90a2f | 487 | if (fCalibReference) { |
488 | AliInfo( Form("CalibReference: NSuperModule %d ", fCalibReference->GetNSuperModule() ) ); | |
d81e6423 | 489 | } |
490 | else { | |
82d90a2f | 491 | AliWarning( Form("AliEMCALCalibReference not found!") ); |
d81e6423 | 492 | } |
493 | ||
494 | return; | |
495 | } | |
496 | ||
497 | //________________________________________________________________ | |
498 | Int_t AliEMCALCalibTimeDep::CalcLEDCorrection(Int_t nSM, Int_t nBins) | |
499 | {// Construct normalized ratios R(t)=LED(t)/LEDRef(t), for current time T and calibration time t0 | |
500 | // The correction factor we keep is c(T) = R(t0)/R(T) | |
82d90a2f | 501 | // T info from fCalibSignal, t0 info from fCalibReference |
d81e6423 | 502 | |
82d90a2f | 503 | // NOTE: for now we don't use the RMS info either from fCalibSignal or fCalibReference |
d81e6423 | 504 | // but one could upgrade this in the future |
505 | Int_t nRemaining = 0; // we count the towers for which we could not get valid data | |
506 | ||
507 | // sanity check; same SuperModule indices for corrections as for regular calibrations | |
d81e6423 | 508 | for (int i = 0; i < nSM; i++) { |
0ce5c45d | 509 | AliEMCALSuperModuleCalibReference * dataCalibReference = fCalibReference->GetSuperModuleCalibReferenceNum(i); |
510 | AliEMCALSuperModuleCalibTimeDepCorrection * dataCalibTimeDepCorrection = fCalibTimeDepCorrection->GetSuperModuleCalibTimeDepCorrectionNum(i); | |
2f17a269 | 511 | |
0ce5c45d | 512 | int iSMRef = dataCalibReference->GetSuperModuleNum(); |
513 | int iSMCorr = dataCalibTimeDepCorrection->GetSuperModuleNum(); | |
82d90a2f | 514 | if (iSMRef != iSMCorr) { |
515 | AliWarning( Form("AliEMCALCalibTimeDep - SuperModule index mismatch: %d != %d", iSMRef, iSMCorr) ); | |
d81e6423 | 516 | nRemaining = nSM * AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows * nBins; |
517 | return nRemaining; | |
518 | } | |
519 | } | |
520 | ||
521 | int iSM = 0; | |
522 | int iCol = 0; | |
523 | int iRow = 0; | |
524 | int iStrip = 0; | |
525 | int iGain = 0; | |
526 | ||
527 | // The fCalibSignal info is stored in TTrees | |
528 | // Note that the time-bins for the TTree's may not exactly match with our correction time bins | |
529 | int timeDiff = fCalibSignal->GetStartTime() - fStartTime; // in seconds | |
0ce5c45d | 530 | // fCalibSignal time info in seconds: Hour/kSecToHour |
531 | // corrected for startTime difference: Hour/kSecToHour + timeDiff | |
532 | // converted into a time-bin we use: (Hour + timeDiff*kSecToHour) * fTimeBinsPerHour | |
d81e6423 | 533 | |
534 | // values for R(T), size of TArray = nBins | |
535 | // the [2] dimension below is for the low or high gain | |
536 | TArrayF ampT[AliEMCALGeoParams::fgkEMCALModules][AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows][2]; | |
537 | TArrayF nT[AliEMCALGeoParams::fgkEMCALModules][AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows][2]; | |
538 | TArrayF ampLEDRefT[AliEMCALGeoParams::fgkEMCALModules][AliEMCALGeoParams::fgkEMCALLEDRefs][2]; | |
539 | TArrayF nLEDRefT[AliEMCALGeoParams::fgkEMCALModules][AliEMCALGeoParams::fgkEMCALLEDRefs][2]; | |
540 | ||
541 | // set up TArray's first | |
542 | for (iSM = 0; iSM < AliEMCALGeoParams::fgkEMCALModules; iSM++) { | |
543 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
544 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
545 | for (iGain = 0; iGain < 2; iGain++) { | |
546 | // length of arrays | |
547 | ampT[iSM][iCol][iRow][iGain].Set(nBins); | |
548 | nT[iSM][iCol][iRow][iGain].Set(nBins); | |
549 | // content of arrys | |
550 | for (int j = 0; j < nBins; j++) { | |
551 | ampT[iSM][iCol][iRow][iGain].AddAt(0, j); | |
552 | nT[iSM][iCol][iRow][iGain].AddAt(0, j); | |
553 | } | |
554 | } | |
555 | } | |
556 | }//iCol | |
557 | for (iStrip = 0; iStrip < AliEMCALGeoParams::fgkEMCALLEDRefs; iStrip++) { | |
558 | for (iGain = 0; iGain < 2; iGain++) { | |
559 | // length of arrays | |
560 | ampLEDRefT[iSM][iStrip][iGain].Set(nBins); | |
561 | nLEDRefT[iSM][iStrip][iGain].Set(nBins); | |
562 | // content of arrys | |
563 | for (int j = 0; j < nBins; j++) { | |
564 | ampLEDRefT[iSM][iStrip][iGain].AddAt(0, j); | |
565 | nLEDRefT[iSM][iStrip][iGain].AddAt(0, j); | |
566 | } | |
567 | } | |
568 | }//iStrip | |
569 | } | |
570 | ||
571 | // OK, now loop over the TTrees and fill the arrays needed for R(T) | |
0ce5c45d | 572 | TTree *treeAvg = fCalibSignal->GetTreeAvgAmpVsTime(); |
573 | TTree *treeLEDRefAvg = fCalibSignal->GetTreeAvgAmpVsTime(); | |
d81e6423 | 574 | |
18831b6c | 575 | int iChannelNum = 0; // for regular towers |
576 | int iRefNum = 0; // for LED | |
577 | double dHour = 0; | |
578 | double dAvgAmp = 0; | |
d81e6423 | 579 | |
0ce5c45d | 580 | treeAvg->SetBranchAddress("fChannelNum", &iChannelNum); |
581 | treeAvg->SetBranchAddress("fHour", &dHour); | |
582 | treeAvg->SetBranchAddress("fAvgAmp",&dAvgAmp); | |
d81e6423 | 583 | |
584 | int iBin = 0; | |
585 | // counters for how many values were seen per SuperModule | |
586 | int nCount[AliEMCALGeoParams::fgkEMCALModules] = {0}; | |
587 | int nCountLEDRef[AliEMCALGeoParams::fgkEMCALModules] = {0}; | |
588 | ||
0ce5c45d | 589 | for (int ient=0; ient<treeAvg->GetEntries(); ient++) { |
590 | treeAvg->GetEntry(ient); | |
d81e6423 | 591 | // figure out where this info comes from |
0ce5c45d | 592 | fCalibSignal->DecodeChannelNum(iChannelNum, &iSM, &iCol, &iRow, &iGain); |
593 | iBin = (int) ( (dHour + timeDiff*kSecToHour) * fTimeBinsPerHour ); // CHECK!!! | |
d81e6423 | 594 | // add value in the arrays |
0ce5c45d | 595 | ampT[iSM][iCol][iRow][iGain].AddAt( ampT[iSM][iCol][iRow][iGain].At(iBin)+dAvgAmp, iBin ); |
d81e6423 | 596 | nT[iSM][iCol][iRow][iGain].AddAt( nT[iSM][iCol][iRow][iGain].At(iBin)+1, iBin ); |
597 | nCount[iSM]++; | |
598 | } | |
599 | ||
0ce5c45d | 600 | treeLEDRefAvg->SetBranchAddress("fRefNum", &iRefNum); |
601 | treeLEDRefAvg->SetBranchAddress("fHour", &dHour); | |
602 | treeLEDRefAvg->SetBranchAddress("fAvgAmp",&dAvgAmp); | |
d81e6423 | 603 | |
0ce5c45d | 604 | for (int ient=0; ient<treeLEDRefAvg->GetEntries(); ient++) { |
605 | treeLEDRefAvg->GetEntry(ient); | |
d81e6423 | 606 | // figure out where this info comes from |
0ce5c45d | 607 | fCalibSignal->DecodeRefNum(iRefNum, &iSM, &iStrip, &iGain); |
608 | iBin = (int) ( (dHour + timeDiff*kSecToHour) * fTimeBinsPerHour ); // CHECK!!! | |
d81e6423 | 609 | // add value in the arrays |
0ce5c45d | 610 | ampLEDRefT[iSM][iStrip][iGain].AddAt( ampLEDRefT[iSM][iStrip][iGain].At(iBin)+dAvgAmp, iBin ); |
d81e6423 | 611 | nLEDRefT[iSM][iStrip][iGain].AddAt( nLEDRefT[iSM][iStrip][iGain].At(iBin)+1, iBin ); |
612 | nCountLEDRef[iSM]++; | |
613 | } | |
614 | ||
615 | // Normalize TArray values, and calculate average also | |
616 | Float_t norm = 0; // extra var, for readability | |
617 | ||
618 | for (iSM = 0; iSM < AliEMCALGeoParams::fgkEMCALModules; iSM++) { | |
619 | if (nCount[iSM]>0 && nCountLEDRef[iSM]>0) { // avoid SuperModules with no data.. | |
620 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
621 | // iStrip = AliEMCALGeoParams::GetStripModule(iSM, iCol); | |
622 | iStrip = (iSM%2==0) ? iCol/2 : AliEMCALGeoParams::fgkEMCALLEDRefs - 1 - iCol/2; //TMP, FIXME | |
623 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
624 | for (iGain = 0; iGain < 2; iGain++) { | |
625 | // content of arrys | |
626 | for (int j = 0; j < nBins; j++) { | |
627 | if (nT[iSM][iCol][iRow][iGain].At(j) > 0) { | |
628 | norm = ampT[iSM][iCol][iRow][iGain].At(j) / nT[iSM][iCol][iRow][iGain].At(j); | |
629 | ampT[iSM][iCol][iRow][iGain].AddAt(norm, j); // AddAt = SetAt | |
630 | } | |
631 | } | |
632 | } | |
633 | } | |
634 | }//iCol | |
635 | for (iStrip = 0; iStrip < AliEMCALGeoParams::fgkEMCALLEDRefs; iStrip++) { | |
636 | for (iGain = 0; iGain < 2; iGain++) { | |
637 | for (int j = 0; j < nBins; j++) { | |
638 | if (nLEDRefT[iSM][iStrip][iGain].At(j) > 0) { | |
639 | norm = ampLEDRefT[iSM][iStrip][iGain].At(j) / nLEDRefT[iSM][iStrip][iGain].At(j); | |
640 | ampLEDRefT[iSM][iStrip][iGain].AddAt(norm, j); // AddAt = SetAt | |
641 | } | |
642 | } | |
643 | } | |
644 | }//iStrip | |
645 | } | |
646 | } // iSM | |
647 | ||
648 | ||
649 | // Calculate correction values, and store them | |
0ce5c45d | 650 | // set kErrorCode values for those that could not be set |
d81e6423 | 651 | |
0ce5c45d | 652 | Float_t ratiot0 = 0; |
653 | Float_t ratioT = 0; | |
d81e6423 | 654 | Float_t correction = 0; // c(T) = R(t0)/R(T) |
655 | Int_t refGain = 0; // typically use low gain for LED reference amplitude (high gain typically well beyond saturation) | |
656 | ||
657 | for (int i = 0; i < nSM; i++) { | |
0ce5c45d | 658 | AliEMCALSuperModuleCalibReference * dataCalibReference = fCalibReference->GetSuperModuleCalibReferenceNum(i); |
659 | AliEMCALSuperModuleCalibTimeDepCorrection * dataCalibTimeDepCorrection = fCalibTimeDepCorrection->GetSuperModuleCalibTimeDepCorrectionNum(i); | |
660 | iSM = dataCalibReference->GetSuperModuleNum(); | |
2f17a269 | 661 | |
d81e6423 | 662 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { |
663 | // iStrip = AliEMCALGeoParams::GetStripModule(iSM, iCol); | |
664 | iStrip = (iSM%2==0) ? iCol/2 : AliEMCALGeoParams::fgkEMCALLEDRefs - 1 - iCol/2; //TMP, FIXME | |
0ce5c45d | 665 | refGain = dataCalibReference->GetLEDRefHighLow(iStrip); // LED reference gain value used for reference calibration |
82d90a2f | 666 | |
d81e6423 | 667 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { |
668 | ||
669 | // Calc. R(t0): | |
0ce5c45d | 670 | AliEMCALCalibReferenceVal * refVal = dataCalibReference->GetAPDVal(iCol, iRow); |
82d90a2f | 671 | iGain = refVal->GetHighLow(); // gain value used for reference calibration |
d81e6423 | 672 | // valid amplitude values should be larger than 0 |
0ce5c45d | 673 | if (refVal->GetLEDAmp()>0 && dataCalibReference->GetLEDRefAmp(iStrip)>0) { |
674 | ratiot0 = refVal->GetLEDAmp() / dataCalibReference->GetLEDRefAmp(iStrip); | |
d81e6423 | 675 | } |
676 | else { | |
0ce5c45d | 677 | ratiot0 = kErrorCode; |
d81e6423 | 678 | } |
679 | ||
82d90a2f | 680 | // Calc. R(T) |
d81e6423 | 681 | for (int j = 0; j < nBins; j++) { |
682 | ||
683 | // calculate R(T) also; first try with individual tower: | |
82d90a2f | 684 | // same gain as for reference calibration is the default |
d81e6423 | 685 | if (ampT[iSM][iCol][iRow][iGain].At(j)>0 && ampLEDRefT[iSM][iStrip][refGain].At(j)>0) { |
686 | // looks like valid data with the right gain combination | |
0ce5c45d | 687 | ratioT = ampT[iSM][iCol][iRow][iGain].At(j) / ampLEDRefT[iSM][iStrip][refGain].At(j); |
d81e6423 | 688 | |
689 | // if data appears to be saturated, and we are in high gain, then try with low gain instead | |
82d90a2f | 690 | int newGain = iGain; |
691 | int newRefGain = refGain; | |
692 | if ( ampT[iSM][iCol][iRow][iGain].At(j)>AliEMCALGeoParams::fgkOverflowCut && iGain==1 ) { | |
693 | newGain = 0; | |
694 | } | |
695 | if ( ampLEDRefT[iSM][iStrip][refGain].At(j)>AliEMCALGeoParams::fgkOverflowCut && refGain==1 ) { | |
696 | newRefGain = 0; | |
697 | } | |
698 | ||
699 | if (newGain!=iGain || newRefGain!=refGain) { | |
700 | // compensate for using different gain than in the reference calibration | |
701 | // we may need to have a custom H/L ratio value for each tower | |
702 | // later, but for now just use a common value, as the rest of the code does.. | |
0ce5c45d | 703 | ratioT = ampT[iSM][iCol][iRow][newGain].At(j) / ampLEDRefT[iSM][iStrip][newRefGain].At(j); |
82d90a2f | 704 | |
705 | if (newGain<iGain) { | |
0ce5c45d | 706 | ratioT *= fHighLowGainFactor; |
82d90a2f | 707 | } |
708 | else if (newRefGain<refGain) { | |
0ce5c45d | 709 | ratioT /= fHighLowGainFactor; |
82d90a2f | 710 | } |
d81e6423 | 711 | } |
712 | } | |
713 | else { | |
0ce5c45d | 714 | ratioT = kErrorCode; |
d81e6423 | 715 | } |
716 | ||
717 | // Calc. correction factor | |
0ce5c45d | 718 | if (ratiot0>0 && ratioT>0) { |
719 | correction = ratiot0/ratioT; | |
d81e6423 | 720 | } |
721 | else { | |
0ce5c45d | 722 | correction = kErrorCode; |
d81e6423 | 723 | nRemaining++; |
724 | } | |
725 | ||
726 | // Store the value | |
0ce5c45d | 727 | dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->AddAt(correction, j); |
d81e6423 | 728 | /* Check that |
729 | fTimeDepCorrection->SetCorrection(i, iCol, iRow, j, correction); | |
730 | also works OK */ | |
731 | } // nBins | |
732 | } | |
733 | } | |
734 | } | |
735 | ||
736 | nRemaining = CalcLEDCorrectionStripBasis(nSM, nBins); | |
737 | return nRemaining; | |
738 | } | |
739 | ||
740 | //________________________________________________________________ | |
741 | Int_t AliEMCALCalibTimeDep::CalcLEDCorrectionStripBasis(Int_t nSM, Int_t nBins) | |
742 | { // use averages for each strip if no good values exist for some single tower | |
743 | ||
744 | // go over fTimeDepCorrection info | |
745 | Int_t nRemaining = 0; // we count the towers for which we could not get valid data | |
746 | ||
d81e6423 | 747 | // for calculating StripAverage info |
748 | int nValidTower = 0; | |
0ce5c45d | 749 | Float_t stripAverage = 0; |
d81e6423 | 750 | Float_t val = 0; |
751 | ||
752 | int iSM = 0; | |
753 | int iCol = 0; | |
754 | int iRow = 0; | |
755 | int iStrip = 0; | |
756 | int firstCol = 0; | |
757 | int lastCol = 0; | |
758 | ||
759 | for (int i = 0; i < nSM; i++) { | |
0ce5c45d | 760 | AliEMCALSuperModuleCalibTimeDepCorrection * dataCalibTimeDepCorrection = fCalibTimeDepCorrection->GetSuperModuleCalibTimeDepCorrectionNum(i); |
761 | iSM = dataCalibTimeDepCorrection->GetSuperModuleNum(); | |
2f17a269 | 762 | |
d81e6423 | 763 | for (int j = 0; j < nBins; j++) { |
764 | ||
765 | nValidTower = 0; | |
0ce5c45d | 766 | stripAverage = 0; |
d81e6423 | 767 | |
768 | for (iStrip = 0; iStrip < AliEMCALGeoParams::fgkEMCALLEDRefs; iStrip++) { | |
769 | firstCol = iStrip*2; | |
770 | if ((iSM%2)==1) { // C side | |
771 | firstCol = (AliEMCALGeoParams::fgkEMCALLEDRefs-1 - iStrip)*2; | |
772 | } | |
773 | lastCol = firstCol+1; | |
774 | ||
775 | for (iCol = firstCol; iCol <= lastCol; iCol++) { | |
776 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
0ce5c45d | 777 | val = dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->At(j); |
d81e6423 | 778 | if (val>0) { // valid value; error code is negative |
0ce5c45d | 779 | stripAverage += val; |
d81e6423 | 780 | nValidTower++; |
781 | } | |
782 | } | |
783 | } | |
784 | ||
785 | // calc average over strip | |
786 | if (nValidTower>0) { | |
0ce5c45d | 787 | stripAverage /= nValidTower; |
d81e6423 | 788 | for (iCol = firstCol; iCol <= lastCol; iCol++) { |
789 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
0ce5c45d | 790 | val = dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->At(j); |
d81e6423 | 791 | if (val<0) { // invalid value; error code is negative |
0ce5c45d | 792 | dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->AddAt(val, j); |
d81e6423 | 793 | } |
794 | } | |
795 | } | |
796 | } | |
797 | else { // could not fill in unvalid entries | |
798 | nRemaining += 2*AliEMCALGeoParams::fgkEMCALRows; | |
799 | } | |
800 | ||
801 | } // iStrip | |
802 | } // j, bins | |
803 | } // iSM | |
804 | ||
805 | return nRemaining; | |
806 | } | |
807 | ||
808 | //________________________________________________________________ | |
716fca62 | 809 | Int_t AliEMCALCalibTimeDep::CalcTemperatureCorrection(Int_t nSM, Int_t nBins, Int_t binSize) |
d81e6423 | 810 | { // OK, so we didn't have valid LED data that allowed us to do the correction only |
811 | // with that info. | |
812 | // So, instead we'll rely on the temperature info and try to do the correction | |
813 | // based on that instead. | |
814 | // For this, we'll need the info from 3 classes (+temperature array), and output the values in a 4th class | |
815 | Int_t nRemaining = 0; | |
816 | ||
d81e6423 | 817 | int iSM = 0; |
818 | int iCol = 0; | |
819 | int iRow = 0; | |
820 | ||
0ce5c45d | 821 | Double_t dTempCoeff[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows]; |
822 | memset(dTempCoeff, 0, sizeof(dTempCoeff)); | |
d81e6423 | 823 | Double_t correction = 0; |
716fca62 | 824 | Double_t secondsPerBin = (Double_t) binSize; |
d81e6423 | 825 | |
826 | for (int i = 0; i < nSM; i++) { | |
716fca62 | 827 | AliEMCALSuperModuleCalibTimeDepCorrection * dataCalibTimeDepCorrection = fCalibTimeDepCorrection->GetSuperModuleCalibTimeDepCorrectionNum(i); |
0ce5c45d | 828 | iSM = dataCalibTimeDepCorrection->GetSuperModuleNum(); |
2f17a269 | 829 | |
0ce5c45d | 830 | AliEMCALSuperModuleCalibReference * dataCalibReference = fCalibReference->GetSuperModuleCalibReferenceNum(iSM); |
ed3db319 | 831 | AliEMCALSuperModuleCalibTempCoeff * dataCalibTempCoeff = fCalibTempCoeff->GetSuperModuleCalibTempCoeffNum(iSM); |
716fca62 | 832 | |
ed3db319 | 833 | // first get CalibTempCoeff info |
d81e6423 | 834 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { |
835 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
ed3db319 | 836 | |
837 | dTempCoeff[iCol][iRow] = dataCalibTempCoeff->GetTC(iCol, iRow); | |
716fca62 | 838 | if (fVerbosity > 1) { |
839 | cout << " iSM " << iSM << " iCol " << iCol << " iRow " << iRow | |
ed3db319 | 840 | << " dTempCoeff " << dTempCoeff[iCol][iRow] << endl; |
716fca62 | 841 | } |
d81e6423 | 842 | } |
843 | } | |
844 | ||
82d90a2f | 845 | // figure out what the reference temperature is, from fCalibReference |
0ce5c45d | 846 | Double_t referenceTemperature = 0; |
d81e6423 | 847 | int nVal = 0; |
848 | for (int iSensor = 0; iSensor<AliEMCALGeoParams::fgkEMCALTempSensors ; iSensor++) { | |
0ce5c45d | 849 | if (dataCalibReference->GetTemperature(iSensor)>0) { // hopefully OK value |
850 | referenceTemperature += dataCalibReference->GetTemperature(iSensor); | |
d81e6423 | 851 | nVal++; |
852 | } | |
853 | } | |
854 | ||
855 | if (nVal>0) { | |
0ce5c45d | 856 | referenceTemperature /= nVal; // valid values exist, we can look into corrections |
d81e6423 | 857 | |
4cf7bc35 | 858 | Double_t dSMTemperature = 0; |
d81e6423 | 859 | for (int j = 0; j < nBins; j++) { |
d81e6423 | 860 | // what is the timestamp in the middle of this bin? (0.5 is for middle of bin) |
861 | UInt_t timeStamp = fStartTime + (UInt_t)((j+0.5)*secondsPerBin); | |
862 | // get the temperature at this time; use average over whole SM for now (TO BE CHECKED LATER - if we can do better with finer grained info) | |
4cf7bc35 | 863 | Double_t oldSMTemperature = dSMTemperature; |
864 | dSMTemperature = GetTemperatureSM(iSM, timeStamp); | |
865 | if (j>0 && (dSMTemperature==kErrorCode)) { | |
866 | // if we have previous values, and retrieval of values failed - use that instead (hopefully good) | |
867 | dSMTemperature = oldSMTemperature; | |
868 | } | |
869 | ||
ed3db319 | 870 | Double_t temperatureDiff = referenceTemperature - dSMTemperature; // ref - new |
716fca62 | 871 | if (fVerbosity > 0) { |
872 | cout << " referenceTemperature " << referenceTemperature | |
873 | << " dSMTemperature " << dSMTemperature | |
874 | << " temperatureDiff " << temperatureDiff | |
875 | << endl; | |
876 | } | |
ed3db319 | 877 | // if the new temperature is higher than the old/reference one (diff<0), then the gain has gone down |
878 | // if the new temperature is lower than the old/reference one (diff>0), then the gain has gone up | |
879 | // dTempCoeff is a (unsigned) factor describing how many % the gain | |
880 | // changes with a degree change. | |
716fca62 | 881 | // i.e. the product temperatureDiff * dTempCoeff increase when the gain goes up |
882 | // The correction we want to keep is what we should multiply our ADC value with as a function | |
883 | // of time, i.e. the inverse of the gain change.. | |
e1a60af4 | 884 | if ( (TMath::Abs(temperatureDiff)>fTemperatureResolution) |
885 | && (TMath::Abs(temperatureDiff)<fMaxTemperatureDiff) ) { | |
ed3db319 | 886 | // significant enough difference that we need to consider it, and also not unreasonably large |
d81e6423 | 887 | |
888 | // loop over all towers; effect of temperature change will depend on gain for this tower | |
889 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
890 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
891 | ||
716fca62 | 892 | // the correction should be inverse of modification in gain: (see discussion above) |
893 | // modification in gain: 1.0 + (temperatureDiff * dTempCoeff[iCol][iRow])*0.01; | |
894 | // 1/(1+x) ~= 1 - x for small x, i.e. we arrive at: | |
ed3db319 | 895 | correction = 1.0 - (temperatureDiff * dTempCoeff[iCol][iRow]); |
0ce5c45d | 896 | dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->AddAt(correction, j); |
716fca62 | 897 | if (fVerbosity > 1) { |
898 | cout << " iSM " << iSM | |
899 | << " iCol " << iCol | |
900 | << " iRow " << iRow | |
901 | << " j " << j | |
902 | << " correction " << correction | |
903 | << endl; | |
904 | } | |
d81e6423 | 905 | } |
906 | } | |
907 | ||
908 | } // if noteworthy temperature change | |
909 | else { // just set correction values to 1.0 | |
910 | correction = 1; | |
911 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
912 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
0ce5c45d | 913 | dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->AddAt(correction, j); |
d81e6423 | 914 | } |
915 | } | |
916 | } // else | |
917 | } // j, Bins | |
918 | ||
919 | } // if reference temperature exist | |
920 | else { // could not do the needed check.. signal that in the return code | |
921 | nRemaining += AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows * nBins; | |
922 | } | |
923 | } // iSM | |
924 | ||
925 | return nRemaining; | |
926 | } | |
927 |