]>
Commit | Line | Data |
---|---|---|
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: | |
25 | // AliEMCALBiasAPD (bias values), AliEMCALCalibMapAPD (APD calibration and location info), | |
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> | |
35 | #include "AliLog.h" | |
36 | #include "AliCDBEntry.h" | |
37 | #include "AliCDBManager.h" | |
38 | #include "AliEMCALSensorTempArray.h" | |
d81e6423 | 39 | #include "AliCaloCalibSignal.h" |
40 | #include "AliEMCALBiasAPD.h" | |
41 | #include "AliEMCALCalibMapAPD.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 | |
0ce5c45d | 56 | const double kErrorCode = -999; // to indicate that something went wrong |
621ff010 | 57 | |
a42992b7 | 58 | using namespace std; |
59 | ||
60 | ClassImp(AliEMCALCalibTimeDep) | |
61 | ||
62 | //________________________________________________________________ | |
63 | AliEMCALCalibTimeDep::AliEMCALCalibTimeDep() : | |
64 | fRun(0), | |
65 | fStartTime(0), | |
66 | fEndTime(0), | |
67 | fMinTemp(0), | |
68 | fMaxTemp(0), | |
716fca62 | 69 | fMinTempVariation(0), |
70 | fMaxTempVariation(0), | |
a42992b7 | 71 | fMinTime(0), |
72 | fMaxTime(0), | |
d81e6423 | 73 | fTemperatureResolution(0.1), // 0.1 deg C is default |
74 | fTimeBinsPerHour(2), // 2 30-min bins per hour is default | |
82d90a2f | 75 | fHighLowGainFactor(16), // factor ~16 between High gain and low gain |
d81e6423 | 76 | fTempArray(NULL), |
77 | fCalibSignal(NULL), | |
78 | fBiasAPD(NULL), | |
79 | fCalibMapAPD(NULL), | |
82d90a2f | 80 | fCalibReference(NULL), |
716fca62 | 81 | fCalibTimeDepCorrection(NULL), |
82 | fVerbosity(0) | |
a42992b7 | 83 | { |
84 | // Constructor | |
85 | } | |
86 | ||
87 | //________________________________________________________________ | |
88 | AliEMCALCalibTimeDep::AliEMCALCalibTimeDep(const AliEMCALCalibTimeDep& calibt) : | |
621ff010 | 89 | TObject(calibt), |
a42992b7 | 90 | fRun(calibt.GetRunNumber()), |
91 | fStartTime(calibt.GetStartTime()), | |
92 | fEndTime(calibt.GetEndTime()), | |
93 | fMinTemp(calibt.GetMinTemp()), | |
94 | fMaxTemp(calibt.GetMaxTemp()), | |
716fca62 | 95 | fMinTempVariation(calibt.GetMinTempVariation()), |
96 | fMaxTempVariation(calibt.GetMaxTempVariation()), | |
a42992b7 | 97 | fMinTime(calibt.GetMinTime()), |
98 | fMaxTime(calibt.GetMaxTime()), | |
d81e6423 | 99 | fTemperatureResolution(calibt.GetTemperatureResolution()), |
100 | fTimeBinsPerHour(calibt.GetTimeBinsPerHour()), | |
82d90a2f | 101 | fHighLowGainFactor(calibt.GetHighLowGainFactor()), |
d81e6423 | 102 | fTempArray(calibt.GetTempArray()), |
103 | fCalibSignal(calibt.GetCalibSignal()), | |
104 | fBiasAPD(calibt.GetBiasAPD()), | |
105 | fCalibMapAPD(calibt.GetCalibMapAPD()), | |
82d90a2f | 106 | fCalibReference(calibt.GetCalibReference()), |
716fca62 | 107 | fCalibTimeDepCorrection(calibt.GetCalibTimeDepCorrection()), |
108 | fVerbosity(calibt.GetVerbosity()) | |
a42992b7 | 109 | { |
110 | // copy constructor | |
111 | } | |
112 | ||
113 | ||
114 | //________________________________________________________________ | |
115 | AliEMCALCalibTimeDep &AliEMCALCalibTimeDep::operator =(const AliEMCALCalibTimeDep& calibt) | |
116 | { | |
117 | // assignment operator; use copy ctor | |
118 | if (&calibt == this) return *this; | |
119 | ||
120 | new (this) AliEMCALCalibTimeDep(calibt); | |
121 | return *this; | |
122 | } | |
123 | ||
124 | //________________________________________________________________ | |
125 | AliEMCALCalibTimeDep::~AliEMCALCalibTimeDep() | |
126 | { | |
127 | // Destructor | |
128 | } | |
129 | ||
130 | //________________________________________________________________ | |
131 | void AliEMCALCalibTimeDep::Reset() | |
132 | { | |
133 | // clear variables to default | |
134 | fRun = 0; | |
135 | fStartTime = 0; | |
136 | fEndTime = 0; | |
137 | fMinTemp = 0; | |
138 | fMaxTemp = 0; | |
716fca62 | 139 | fMinTempVariation = 0; |
140 | fMaxTempVariation = 0; | |
a42992b7 | 141 | fMinTime = 0; |
142 | fMaxTime = 0; | |
d81e6423 | 143 | fTemperatureResolution = 0.1; // 0.1 deg C is default |
144 | fTimeBinsPerHour = 2; // 2 30-min bins per hour is default | |
a42992b7 | 145 | fTempArray = NULL; |
d81e6423 | 146 | fCalibSignal = NULL; |
147 | fBiasAPD = NULL; | |
148 | fCalibMapAPD = NULL; | |
82d90a2f | 149 | fCalibReference = NULL; |
d81e6423 | 150 | fCalibTimeDepCorrection = NULL; |
716fca62 | 151 | fVerbosity = 0; |
a42992b7 | 152 | return; |
153 | } | |
154 | ||
155 | //________________________________________________________________ | |
621ff010 | 156 | void AliEMCALCalibTimeDep::PrintInfo() const |
a42992b7 | 157 | { |
158 | // print some info | |
d81e6423 | 159 | cout << endl << " AliEMCALCalibTimeDep::PrintInfo() " << endl; |
a42992b7 | 160 | // basic variables, all 'publicly available' also |
161 | cout << " VARIABLE DUMP: " << endl | |
162 | << " GetStartTime() " << GetStartTime() << endl | |
163 | << " GetEndTime() " << GetEndTime() << endl | |
716fca62 | 164 | << " GetMinTime() " << GetMinTime() << endl |
165 | << " GetMaxTime() " << GetMaxTime() << endl | |
a42992b7 | 166 | << " GetMinTemp() " << GetMinTemp() << endl |
716fca62 | 167 | << " GetMaxTemp() " << GetMaxTemp() << endl |
168 | << " GetMinTempVariation() " << GetMinTempVariation() << endl | |
169 | << " GetMaxTempVariation() " << GetMaxTempVariation() << endl; | |
a42992b7 | 170 | // run ranges |
171 | cout << " RUN INFO: " << endl | |
716fca62 | 172 | << " runnumber " << GetRunNumber() << endl |
a42992b7 | 173 | << " length (in hours) " << GetLengthOfRunInHours() << endl |
174 | << " range of temperature measurements (in hours) " << GetRangeOfTempMeasureInHours() | |
175 | << " (in deg. C) " << GetRangeOfTempMeasureInDegrees() | |
176 | << endl; | |
a42992b7 | 177 | |
178 | return; | |
179 | } | |
d81e6423 | 180 | |
a42992b7 | 181 | //________________________________________________________________ |
d81e6423 | 182 | Double_t AliEMCALCalibTimeDep::GetLengthOfRunInHours() const |
a42992b7 | 183 | { |
0ce5c45d | 184 | return (fEndTime - fStartTime)*kSecToHour; |
a42992b7 | 185 | } |
d81e6423 | 186 | |
187 | //________________________________________________________________ | |
188 | Double_t AliEMCALCalibTimeDep::GetLengthOfRunInBins() const | |
189 | { | |
0ce5c45d | 190 | return (fEndTime - fStartTime)*kSecToHour*fTimeBinsPerHour; |
d81e6423 | 191 | } |
192 | ||
a42992b7 | 193 | //________________________________________________________________ |
d81e6423 | 194 | Double_t AliEMCALCalibTimeDep::GetRangeOfTempMeasureInHours() const |
a42992b7 | 195 | { |
0ce5c45d | 196 | return (fMaxTime - fMinTime)*kSecToHour; |
a42992b7 | 197 | } |
d81e6423 | 198 | |
a42992b7 | 199 | //________________________________________________________________ |
d81e6423 | 200 | Double_t AliEMCALCalibTimeDep::GetRangeOfTempMeasureInDegrees() const |
a42992b7 | 201 | { |
202 | return (fMaxTemp - fMinTemp); | |
203 | } | |
204 | ||
205 | //________________________________________________________________ | |
206 | void AliEMCALCalibTimeDep::Initialize(Int_t run, | |
207 | UInt_t startTime, UInt_t endTime) | |
0ce5c45d | 208 | { // setup, and get temperature info |
a42992b7 | 209 | Reset(); // start fresh |
210 | ||
211 | fRun = run; | |
212 | fStartTime = startTime; | |
213 | fEndTime = endTime; | |
214 | ||
215 | // collect the needed information | |
216 | GetTemperatureInfo(); // temperature readings during the run | |
d81e6423 | 217 | ScanTemperatureInfo(); // see what the boundaries are (Min/Max Time/Temp) |
a42992b7 | 218 | |
219 | return; | |
220 | } | |
221 | ||
222 | //________________________________________________________________ | |
d81e6423 | 223 | Double_t AliEMCALCalibTimeDep::GetTemperature(UInt_t timeStamp) const |
a42992b7 | 224 | {// return estimate for all SuperModules and sensors, that had data |
225 | ||
226 | // first convert from seconds to hours.. | |
0ce5c45d | 227 | Double_t timeHour = (timeStamp - fStartTime) * kSecToHour; |
621ff010 | 228 | |
d81e6423 | 229 | Double_t average = 0; |
621ff010 | 230 | int n = 0; |
231 | ||
232 | for (int i=0; i<fTempArray->NumSensors(); i++) { | |
233 | ||
234 | AliEMCALSensorTemp *st = fTempArray->GetSensor(i); | |
235 | ||
236 | // check if we had valid data for the time that is being asked for | |
237 | if ( timeStamp>=st->GetStartTime() && timeStamp<=st->GetEndTime() ) { | |
238 | AliSplineFit *f = st->GetFit(); | |
239 | if (f) { // ok, looks like we have valid data/info | |
240 | // let's check what the expected value at the time appears to be | |
d81e6423 | 241 | Double_t val = f->Eval(timeHour); |
621ff010 | 242 | average += val; |
243 | n++; | |
244 | } | |
245 | } // time | |
246 | } // loop over fTempArray | |
247 | ||
248 | if (n>0) { // some valid data was found | |
249 | average /= n; | |
250 | return average; | |
251 | } | |
252 | else { // no good data | |
0ce5c45d | 253 | return kErrorCode; |
621ff010 | 254 | } |
a42992b7 | 255 | |
a42992b7 | 256 | } |
257 | ||
258 | //________________________________________________________________ | |
d81e6423 | 259 | Double_t AliEMCALCalibTimeDep::GetTemperatureSM(int imod, UInt_t timeStamp) const |
a42992b7 | 260 | {// return estimate for this one SuperModule, if it had data |
261 | ||
262 | // first convert from seconds to hours.. | |
0ce5c45d | 263 | Double_t timeHour = (timeStamp - fStartTime) * kSecToHour; |
621ff010 | 264 | |
d81e6423 | 265 | Double_t average = 0; |
621ff010 | 266 | int n = 0; |
267 | ||
268 | for (int i=0; i<fTempArray->NumSensors(); i++) { | |
269 | ||
270 | AliEMCALSensorTemp *st = fTempArray->GetSensor(i); | |
271 | int module = st->GetSector()*2 + st->GetSide(); | |
272 | if ( module == imod ) { // right module | |
273 | // check if we had valid data for the time that is being asked for | |
274 | if ( timeStamp>=st->GetStartTime() && timeStamp<=st->GetEndTime() ) { | |
275 | AliSplineFit *f = st->GetFit(); | |
276 | if (f) { // ok, looks like we have valid data/info | |
277 | // let's check what the expected value at the time appears to be | |
d81e6423 | 278 | Double_t val = f->Eval(timeHour); |
716fca62 | 279 | if ( fVerbosity > 0 ) { |
280 | cout << " sensor i " << i << " val " << val << endl; | |
281 | } | |
621ff010 | 282 | average += val; |
283 | n++; | |
284 | } | |
285 | } // time | |
286 | } | |
287 | ||
288 | } // loop over fTempArray | |
289 | ||
290 | if (n>0) { // some valid data was found | |
291 | average /= n; | |
292 | return average; | |
293 | } | |
294 | else { // no good data | |
0ce5c45d | 295 | return kErrorCode; |
621ff010 | 296 | } |
a42992b7 | 297 | |
a42992b7 | 298 | } |
299 | ||
300 | //________________________________________________________________ | |
d81e6423 | 301 | Double_t AliEMCALCalibTimeDep::GetTemperatureSMSensor(int imod, int isens, UInt_t timeStamp) const |
a42992b7 | 302 | {// return estimate for this one SuperModule and sensor, if it had data |
621ff010 | 303 | |
a42992b7 | 304 | // first convert from seconds to hours.. |
0ce5c45d | 305 | Double_t timeHour = (timeStamp - fStartTime) * kSecToHour; |
621ff010 | 306 | |
307 | for (int i=0; i<fTempArray->NumSensors(); i++) { | |
308 | ||
309 | AliEMCALSensorTemp *st = fTempArray->GetSensor(i); | |
310 | int module = st->GetSector()*2 + st->GetSide(); | |
311 | if ( module == imod && st->GetNum()==isens ) { // right module, and sensor | |
312 | // check if we had valid data for the time that is being asked for | |
313 | if ( timeStamp>=st->GetStartTime() && timeStamp<=st->GetEndTime() ) { | |
314 | AliSplineFit *f = st->GetFit(); | |
315 | if (f) { // ok, looks like we have valid data/info | |
316 | // let's check what the expected value at the time appears to be | |
d81e6423 | 317 | Double_t val = f->Eval(timeHour); |
621ff010 | 318 | |
319 | return val; // no point to move further in for loop, we have found the sensor we were looking for | |
320 | } | |
321 | } // time | |
322 | } | |
323 | ||
324 | } // loop over fTempArray | |
a42992b7 | 325 | |
621ff010 | 326 | // if we made it all here, it means that we didn't find the sensor we were looking for |
327 | // i.e. no good data | |
0ce5c45d | 328 | return kErrorCode; |
621ff010 | 329 | |
a42992b7 | 330 | } |
331 | ||
332 | //________________________________________________________________ | |
d81e6423 | 333 | Int_t AliEMCALCalibTimeDep::CalcCorrection() |
334 | { // OK, this is where the real action takes place - the heart of this class.. | |
335 | /* The philosophy is as follows: | |
716fca62 | 336 | 0. Init corrections to 1.0 values, and see how many correction bins we need |
337 | 1. Check how large temperature variations we have through the run - do we really need all the correction bias (otherwise adjust to single bin) | |
338 | 2. try to use temperature info + APD bias and calibration info, to estimate correction. | |
339 | For now (from Dec 2009), we do not use LED info, since we are not taking LED triggers during the run. | |
d81e6423 | 340 | */ |
341 | ||
342 | // 0: Init | |
343 | // how many SuperModules do we have? | |
82d90a2f | 344 | Int_t nSM = fCalibReference->GetNSuperModule(); |
d81e6423 | 345 | // how many time-bins should we have for this run? |
346 | Int_t nBins = (Int_t) GetLengthOfRunInBins(); // round-down (from double to int) | |
220ed45a | 347 | Int_t binSize = (Int_t) (3600/fTimeBinsPerHour); // in seconds |
716fca62 | 348 | |
349 | // 1: get info on how much individual sensors might have changed during | |
350 | // the run (compare max-min for each sensor separately) | |
351 | if (fMaxTempVariation < fTemperatureResolution) { | |
352 | nBins = 1; // just one bin needed.. | |
353 | binSize = fEndTime - fStartTime; | |
354 | } | |
355 | ||
d81e6423 | 356 | // set up a reasonable default (correction = 1.0) |
716fca62 | 357 | fCalibTimeDepCorrection = new AliEMCALCalibTimeDepCorrection(nSM); |
d81e6423 | 358 | fCalibTimeDepCorrection->InitCorrection(nSM, nBins, 1.0); |
220ed45a | 359 | fCalibTimeDepCorrection->SetStartTime(fStartTime); |
360 | fCalibTimeDepCorrection->SetNTimeBins(nBins); | |
361 | fCalibTimeDepCorrection->SetTimeBinSize(binSize); | |
d81e6423 | 362 | |
716fca62 | 363 | // 2: try with Temperature correction |
364 | Int_t nRemaining = CalcTemperatureCorrection(nSM, nBins, binSize); | |
d81e6423 | 365 | |
366 | return nRemaining; | |
a42992b7 | 367 | } |
368 | ||
d81e6423 | 369 | |
370 | //________________________________________________________________ | |
371 | Double_t AliEMCALCalibTimeDep::GetTempCoeff(Double_t IDark, Double_t M) const | |
372 | { // estimate the Temperature Coefficient, based on the dark current (IDark) | |
373 | // and the gain (M), based on Catania parameterizations | |
374 | ||
0ce5c45d | 375 | Double_t dP0 = kTempCoeffP0Const + kTempCoeffP0Factor * IDark; |
376 | Double_t dP1 = kTempCoeffP1Const + kTempCoeffP1Factor * IDark; | |
d81e6423 | 377 | |
0ce5c45d | 378 | Double_t dTC = dP0 + dP1*M; |
d81e6423 | 379 | |
0ce5c45d | 380 | return dTC; |
d81e6423 | 381 | } |
382 | ||
383 | /* Next come the methods that do the work in picking up all the needed info..*/ | |
a42992b7 | 384 | //________________________________________________________________ |
385 | void AliEMCALCalibTimeDep::GetTemperatureInfo() | |
386 | { | |
387 | // pick up Preprocessor output, based on fRun (most recent version) | |
388 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/Temperature", fRun); | |
389 | if (entry) { | |
390 | fTempArray = (AliEMCALSensorTempArray *) entry->GetObject(); | |
391 | } | |
392 | ||
621ff010 | 393 | if (fTempArray) { |
a42992b7 | 394 | AliInfo( Form("NumSensors %d - IdDCS: first %d last %d", |
395 | fTempArray->NumSensors(), | |
396 | fTempArray->GetFirstIdDCS(), fTempArray->GetLastIdDCS() ) ); | |
621ff010 | 397 | } |
398 | else { | |
399 | AliWarning( Form("AliEMCALSensorTempArray not found!") ); | |
a42992b7 | 400 | } |
401 | ||
402 | return; | |
403 | } | |
d81e6423 | 404 | |
405 | //________________________________________________________________ | |
406 | Int_t AliEMCALCalibTimeDep::ScanTemperatureInfo() | |
407 | {// assign max/min time and temperature values | |
408 | ||
409 | fMinTemp = 999; // init to some large value (999 deg C) | |
410 | fMaxTemp = 0; | |
716fca62 | 411 | fMinTempVariation = 999; // init to some large value (999 deg C) |
412 | fMaxTempVariation = 0; | |
d81e6423 | 413 | fMinTime = 2147483647; // init to a large value in the far future (0x7fffffff), year 2038 times.. |
414 | fMaxTime = 0; | |
415 | ||
416 | Int_t n = 0; // number of valid readings | |
417 | ||
418 | for (int i=0; i<fTempArray->NumSensors(); i++) { | |
419 | ||
420 | AliEMCALSensorTemp *st = fTempArray->GetSensor(i); | |
716fca62 | 421 | if ( st->GetStartTime() == 0 ) { // no valid data |
422 | continue; | |
423 | } | |
d81e6423 | 424 | |
425 | // check time ranges | |
426 | if (fMinTime > st->GetStartTime()) { fMinTime = st->GetStartTime(); } | |
427 | if (fMaxTime < st->GetEndTime()) { fMaxTime = st->GetEndTime(); } | |
716fca62 | 428 | |
d81e6423 | 429 | // check temperature ranges |
716fca62 | 430 | AliSplineFit *f = st->GetFit(); |
431 | ||
432 | if (f) { // ok, looks like we have valid data/info | |
433 | int np = f->GetKnots(); | |
434 | Double_t *y0 = f->GetY0(); | |
435 | // min and max values within the single sensor | |
436 | Double_t min = 999; | |
437 | Double_t max = 0; | |
438 | for (int ip=0; ip<np; ip++) { | |
439 | if (min > y0[ip]) { min = y0[ip]; } | |
440 | if (max < y0[ip]) { max = y0[ip]; } | |
441 | } | |
442 | if (fMinTemp > min) { fMinTemp = min; } | |
443 | if (fMaxTemp < max) { fMaxTemp = max; } | |
444 | Double_t variation = max - min; | |
445 | if (fMinTempVariation > variation) { fMinTempVariation = variation; } | |
446 | if (fMaxTempVariation < variation) { fMaxTempVariation = variation; } | |
447 | ||
d81e6423 | 448 | n++; |
449 | } | |
450 | } // loop over fTempArray | |
451 | ||
452 | if (n>0) { // some valid data was found | |
453 | return n; | |
454 | } | |
455 | else { // no good data | |
0ce5c45d | 456 | return (Int_t) kErrorCode; |
d81e6423 | 457 | } |
458 | ||
459 | } | |
460 | ||
461 | //________________________________________________________________ | |
462 | void AliEMCALCalibTimeDep::GetCalibSignalInfo() | |
463 | { | |
464 | // pick up Preprocessor output, based on fRun (most recent version) | |
465 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/LED", fRun); | |
466 | if (entry) { | |
467 | fCalibSignal = (AliCaloCalibSignal *) entry->GetObject(); | |
468 | } | |
469 | ||
470 | if (fCalibSignal) { | |
471 | AliInfo( Form("CalibSignal: NEvents %d NAcceptedEvents %d Entries %d AvgEntries LEDRefEntries %d LEDRefAvgEntries %d", | |
472 | fCalibSignal->GetNEvents(), fCalibSignal->GetNAcceptedEvents(), | |
473 | fCalibSignal->GetTreeAmpVsTime()->GetEntries(), | |
474 | fCalibSignal->GetTreeAvgAmpVsTime()->GetEntries(), | |
475 | fCalibSignal->GetTreeLEDAmpVsTime()->GetEntries(), | |
476 | fCalibSignal->GetTreeLEDAvgAmpVsTime()->GetEntries() ) ); | |
477 | } | |
478 | else { | |
479 | AliWarning( Form("AliCaloCalibSignal not found!") ); | |
480 | } | |
481 | ||
482 | return; | |
483 | } | |
484 | ||
485 | //________________________________________________________________ | |
486 | void AliEMCALCalibTimeDep::GetBiasAPDInfo() | |
487 | { | |
488 | // pick up Preprocessor output, based on fRun (most recent version) | |
489 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/BiasAPD", fRun); | |
490 | if (entry) { | |
2f17a269 | 491 | fBiasAPD = (AliEMCALBiasAPD *) entry->GetObject(); |
d81e6423 | 492 | } |
493 | ||
494 | if (fBiasAPD) { | |
495 | AliInfo( Form("BiasAPD: NSuperModule %d ", fBiasAPD->GetNSuperModule() ) ); | |
496 | } | |
497 | else { | |
498 | AliWarning( Form("AliEMCALBiasAPD not found!") ); | |
499 | } | |
500 | ||
501 | return; | |
502 | } | |
503 | ||
504 | //________________________________________________________________ | |
505 | void AliEMCALCalibTimeDep::GetCalibMapAPDInfo() | |
506 | { | |
507 | // pick up Preprocessor output, based on fRun (most recent version) | |
508 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/MapAPD", fRun); | |
61917ab3 | 509 | // stored object should be a TTree; read the info |
d81e6423 | 510 | if (entry) { |
2f17a269 | 511 | fCalibMapAPD = (AliEMCALCalibMapAPD *) entry->GetObject(); |
d81e6423 | 512 | } |
513 | ||
514 | if (fCalibMapAPD) { | |
515 | AliInfo( Form("CalibMapAPD: NSuperModule %d ", fCalibMapAPD->GetNSuperModule() ) ); | |
516 | } | |
517 | else { | |
518 | AliWarning( Form("AliEMCALCalibMapAPD not found!") ); | |
519 | } | |
520 | ||
521 | return; | |
522 | } | |
523 | ||
524 | //________________________________________________________________ | |
82d90a2f | 525 | void AliEMCALCalibTimeDep::GetCalibReferenceInfo() |
d81e6423 | 526 | { |
527 | // pick up Preprocessor output, based on fRun (most recent version) | |
716fca62 | 528 | AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/Reference", fRun); |
d81e6423 | 529 | if (entry) { |
82d90a2f | 530 | fCalibReference = (AliEMCALCalibReference *) entry->GetObject(); |
d81e6423 | 531 | } |
532 | ||
82d90a2f | 533 | if (fCalibReference) { |
534 | AliInfo( Form("CalibReference: NSuperModule %d ", fCalibReference->GetNSuperModule() ) ); | |
d81e6423 | 535 | } |
536 | else { | |
82d90a2f | 537 | AliWarning( Form("AliEMCALCalibReference not found!") ); |
d81e6423 | 538 | } |
539 | ||
540 | return; | |
541 | } | |
542 | ||
543 | //________________________________________________________________ | |
544 | Int_t AliEMCALCalibTimeDep::CalcLEDCorrection(Int_t nSM, Int_t nBins) | |
545 | {// Construct normalized ratios R(t)=LED(t)/LEDRef(t), for current time T and calibration time t0 | |
546 | // The correction factor we keep is c(T) = R(t0)/R(T) | |
82d90a2f | 547 | // T info from fCalibSignal, t0 info from fCalibReference |
d81e6423 | 548 | |
82d90a2f | 549 | // NOTE: for now we don't use the RMS info either from fCalibSignal or fCalibReference |
d81e6423 | 550 | // but one could upgrade this in the future |
551 | Int_t nRemaining = 0; // we count the towers for which we could not get valid data | |
552 | ||
553 | // sanity check; same SuperModule indices for corrections as for regular calibrations | |
d81e6423 | 554 | for (int i = 0; i < nSM; i++) { |
0ce5c45d | 555 | AliEMCALSuperModuleCalibReference * dataCalibReference = fCalibReference->GetSuperModuleCalibReferenceNum(i); |
556 | AliEMCALSuperModuleCalibTimeDepCorrection * dataCalibTimeDepCorrection = fCalibTimeDepCorrection->GetSuperModuleCalibTimeDepCorrectionNum(i); | |
2f17a269 | 557 | |
0ce5c45d | 558 | int iSMRef = dataCalibReference->GetSuperModuleNum(); |
559 | int iSMCorr = dataCalibTimeDepCorrection->GetSuperModuleNum(); | |
82d90a2f | 560 | if (iSMRef != iSMCorr) { |
561 | AliWarning( Form("AliEMCALCalibTimeDep - SuperModule index mismatch: %d != %d", iSMRef, iSMCorr) ); | |
d81e6423 | 562 | nRemaining = nSM * AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows * nBins; |
563 | return nRemaining; | |
564 | } | |
565 | } | |
566 | ||
567 | int iSM = 0; | |
568 | int iCol = 0; | |
569 | int iRow = 0; | |
570 | int iStrip = 0; | |
571 | int iGain = 0; | |
572 | ||
573 | // The fCalibSignal info is stored in TTrees | |
574 | // Note that the time-bins for the TTree's may not exactly match with our correction time bins | |
575 | int timeDiff = fCalibSignal->GetStartTime() - fStartTime; // in seconds | |
0ce5c45d | 576 | // fCalibSignal time info in seconds: Hour/kSecToHour |
577 | // corrected for startTime difference: Hour/kSecToHour + timeDiff | |
578 | // converted into a time-bin we use: (Hour + timeDiff*kSecToHour) * fTimeBinsPerHour | |
d81e6423 | 579 | |
580 | // values for R(T), size of TArray = nBins | |
581 | // the [2] dimension below is for the low or high gain | |
582 | TArrayF ampT[AliEMCALGeoParams::fgkEMCALModules][AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows][2]; | |
583 | TArrayF nT[AliEMCALGeoParams::fgkEMCALModules][AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows][2]; | |
584 | TArrayF ampLEDRefT[AliEMCALGeoParams::fgkEMCALModules][AliEMCALGeoParams::fgkEMCALLEDRefs][2]; | |
585 | TArrayF nLEDRefT[AliEMCALGeoParams::fgkEMCALModules][AliEMCALGeoParams::fgkEMCALLEDRefs][2]; | |
586 | ||
587 | // set up TArray's first | |
588 | for (iSM = 0; iSM < AliEMCALGeoParams::fgkEMCALModules; iSM++) { | |
589 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
590 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
591 | for (iGain = 0; iGain < 2; iGain++) { | |
592 | // length of arrays | |
593 | ampT[iSM][iCol][iRow][iGain].Set(nBins); | |
594 | nT[iSM][iCol][iRow][iGain].Set(nBins); | |
595 | // content of arrys | |
596 | for (int j = 0; j < nBins; j++) { | |
597 | ampT[iSM][iCol][iRow][iGain].AddAt(0, j); | |
598 | nT[iSM][iCol][iRow][iGain].AddAt(0, j); | |
599 | } | |
600 | } | |
601 | } | |
602 | }//iCol | |
603 | for (iStrip = 0; iStrip < AliEMCALGeoParams::fgkEMCALLEDRefs; iStrip++) { | |
604 | for (iGain = 0; iGain < 2; iGain++) { | |
605 | // length of arrays | |
606 | ampLEDRefT[iSM][iStrip][iGain].Set(nBins); | |
607 | nLEDRefT[iSM][iStrip][iGain].Set(nBins); | |
608 | // content of arrys | |
609 | for (int j = 0; j < nBins; j++) { | |
610 | ampLEDRefT[iSM][iStrip][iGain].AddAt(0, j); | |
611 | nLEDRefT[iSM][iStrip][iGain].AddAt(0, j); | |
612 | } | |
613 | } | |
614 | }//iStrip | |
615 | } | |
616 | ||
617 | // OK, now loop over the TTrees and fill the arrays needed for R(T) | |
0ce5c45d | 618 | TTree *treeAvg = fCalibSignal->GetTreeAvgAmpVsTime(); |
619 | TTree *treeLEDRefAvg = fCalibSignal->GetTreeAvgAmpVsTime(); | |
d81e6423 | 620 | |
0ce5c45d | 621 | int iChannelNum; // for regular towers |
622 | int iRefNum; // for LED | |
623 | double dHour; | |
624 | double dAvgAmp; | |
d81e6423 | 625 | |
0ce5c45d | 626 | treeAvg->SetBranchAddress("fChannelNum", &iChannelNum); |
627 | treeAvg->SetBranchAddress("fHour", &dHour); | |
628 | treeAvg->SetBranchAddress("fAvgAmp",&dAvgAmp); | |
d81e6423 | 629 | |
630 | int iBin = 0; | |
631 | // counters for how many values were seen per SuperModule | |
632 | int nCount[AliEMCALGeoParams::fgkEMCALModules] = {0}; | |
633 | int nCountLEDRef[AliEMCALGeoParams::fgkEMCALModules] = {0}; | |
634 | ||
0ce5c45d | 635 | for (int ient=0; ient<treeAvg->GetEntries(); ient++) { |
636 | treeAvg->GetEntry(ient); | |
d81e6423 | 637 | // figure out where this info comes from |
0ce5c45d | 638 | fCalibSignal->DecodeChannelNum(iChannelNum, &iSM, &iCol, &iRow, &iGain); |
639 | iBin = (int) ( (dHour + timeDiff*kSecToHour) * fTimeBinsPerHour ); // CHECK!!! | |
d81e6423 | 640 | // add value in the arrays |
0ce5c45d | 641 | ampT[iSM][iCol][iRow][iGain].AddAt( ampT[iSM][iCol][iRow][iGain].At(iBin)+dAvgAmp, iBin ); |
d81e6423 | 642 | nT[iSM][iCol][iRow][iGain].AddAt( nT[iSM][iCol][iRow][iGain].At(iBin)+1, iBin ); |
643 | nCount[iSM]++; | |
644 | } | |
645 | ||
0ce5c45d | 646 | treeLEDRefAvg->SetBranchAddress("fRefNum", &iRefNum); |
647 | treeLEDRefAvg->SetBranchAddress("fHour", &dHour); | |
648 | treeLEDRefAvg->SetBranchAddress("fAvgAmp",&dAvgAmp); | |
d81e6423 | 649 | |
0ce5c45d | 650 | for (int ient=0; ient<treeLEDRefAvg->GetEntries(); ient++) { |
651 | treeLEDRefAvg->GetEntry(ient); | |
d81e6423 | 652 | // figure out where this info comes from |
0ce5c45d | 653 | fCalibSignal->DecodeRefNum(iRefNum, &iSM, &iStrip, &iGain); |
654 | iBin = (int) ( (dHour + timeDiff*kSecToHour) * fTimeBinsPerHour ); // CHECK!!! | |
d81e6423 | 655 | // add value in the arrays |
0ce5c45d | 656 | ampLEDRefT[iSM][iStrip][iGain].AddAt( ampLEDRefT[iSM][iStrip][iGain].At(iBin)+dAvgAmp, iBin ); |
d81e6423 | 657 | nLEDRefT[iSM][iStrip][iGain].AddAt( nLEDRefT[iSM][iStrip][iGain].At(iBin)+1, iBin ); |
658 | nCountLEDRef[iSM]++; | |
659 | } | |
660 | ||
661 | // Normalize TArray values, and calculate average also | |
662 | Float_t norm = 0; // extra var, for readability | |
663 | ||
664 | for (iSM = 0; iSM < AliEMCALGeoParams::fgkEMCALModules; iSM++) { | |
665 | if (nCount[iSM]>0 && nCountLEDRef[iSM]>0) { // avoid SuperModules with no data.. | |
666 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
667 | // iStrip = AliEMCALGeoParams::GetStripModule(iSM, iCol); | |
668 | iStrip = (iSM%2==0) ? iCol/2 : AliEMCALGeoParams::fgkEMCALLEDRefs - 1 - iCol/2; //TMP, FIXME | |
669 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
670 | for (iGain = 0; iGain < 2; iGain++) { | |
671 | // content of arrys | |
672 | for (int j = 0; j < nBins; j++) { | |
673 | if (nT[iSM][iCol][iRow][iGain].At(j) > 0) { | |
674 | norm = ampT[iSM][iCol][iRow][iGain].At(j) / nT[iSM][iCol][iRow][iGain].At(j); | |
675 | ampT[iSM][iCol][iRow][iGain].AddAt(norm, j); // AddAt = SetAt | |
676 | } | |
677 | } | |
678 | } | |
679 | } | |
680 | }//iCol | |
681 | for (iStrip = 0; iStrip < AliEMCALGeoParams::fgkEMCALLEDRefs; iStrip++) { | |
682 | for (iGain = 0; iGain < 2; iGain++) { | |
683 | for (int j = 0; j < nBins; j++) { | |
684 | if (nLEDRefT[iSM][iStrip][iGain].At(j) > 0) { | |
685 | norm = ampLEDRefT[iSM][iStrip][iGain].At(j) / nLEDRefT[iSM][iStrip][iGain].At(j); | |
686 | ampLEDRefT[iSM][iStrip][iGain].AddAt(norm, j); // AddAt = SetAt | |
687 | } | |
688 | } | |
689 | } | |
690 | }//iStrip | |
691 | } | |
692 | } // iSM | |
693 | ||
694 | ||
695 | // Calculate correction values, and store them | |
0ce5c45d | 696 | // set kErrorCode values for those that could not be set |
d81e6423 | 697 | |
0ce5c45d | 698 | Float_t ratiot0 = 0; |
699 | Float_t ratioT = 0; | |
d81e6423 | 700 | Float_t correction = 0; // c(T) = R(t0)/R(T) |
701 | Int_t refGain = 0; // typically use low gain for LED reference amplitude (high gain typically well beyond saturation) | |
702 | ||
703 | for (int i = 0; i < nSM; i++) { | |
0ce5c45d | 704 | AliEMCALSuperModuleCalibReference * dataCalibReference = fCalibReference->GetSuperModuleCalibReferenceNum(i); |
705 | AliEMCALSuperModuleCalibTimeDepCorrection * dataCalibTimeDepCorrection = fCalibTimeDepCorrection->GetSuperModuleCalibTimeDepCorrectionNum(i); | |
706 | iSM = dataCalibReference->GetSuperModuleNum(); | |
2f17a269 | 707 | |
d81e6423 | 708 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { |
709 | // iStrip = AliEMCALGeoParams::GetStripModule(iSM, iCol); | |
710 | iStrip = (iSM%2==0) ? iCol/2 : AliEMCALGeoParams::fgkEMCALLEDRefs - 1 - iCol/2; //TMP, FIXME | |
0ce5c45d | 711 | refGain = dataCalibReference->GetLEDRefHighLow(iStrip); // LED reference gain value used for reference calibration |
82d90a2f | 712 | |
d81e6423 | 713 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { |
714 | ||
715 | // Calc. R(t0): | |
0ce5c45d | 716 | AliEMCALCalibReferenceVal * refVal = dataCalibReference->GetAPDVal(iCol, iRow); |
82d90a2f | 717 | iGain = refVal->GetHighLow(); // gain value used for reference calibration |
d81e6423 | 718 | // valid amplitude values should be larger than 0 |
0ce5c45d | 719 | if (refVal->GetLEDAmp()>0 && dataCalibReference->GetLEDRefAmp(iStrip)>0) { |
720 | ratiot0 = refVal->GetLEDAmp() / dataCalibReference->GetLEDRefAmp(iStrip); | |
d81e6423 | 721 | } |
722 | else { | |
0ce5c45d | 723 | ratiot0 = kErrorCode; |
d81e6423 | 724 | } |
725 | ||
82d90a2f | 726 | // Calc. R(T) |
d81e6423 | 727 | for (int j = 0; j < nBins; j++) { |
728 | ||
729 | // calculate R(T) also; first try with individual tower: | |
82d90a2f | 730 | // same gain as for reference calibration is the default |
d81e6423 | 731 | if (ampT[iSM][iCol][iRow][iGain].At(j)>0 && ampLEDRefT[iSM][iStrip][refGain].At(j)>0) { |
732 | // looks like valid data with the right gain combination | |
0ce5c45d | 733 | ratioT = ampT[iSM][iCol][iRow][iGain].At(j) / ampLEDRefT[iSM][iStrip][refGain].At(j); |
d81e6423 | 734 | |
735 | // if data appears to be saturated, and we are in high gain, then try with low gain instead | |
82d90a2f | 736 | int newGain = iGain; |
737 | int newRefGain = refGain; | |
738 | if ( ampT[iSM][iCol][iRow][iGain].At(j)>AliEMCALGeoParams::fgkOverflowCut && iGain==1 ) { | |
739 | newGain = 0; | |
740 | } | |
741 | if ( ampLEDRefT[iSM][iStrip][refGain].At(j)>AliEMCALGeoParams::fgkOverflowCut && refGain==1 ) { | |
742 | newRefGain = 0; | |
743 | } | |
744 | ||
745 | if (newGain!=iGain || newRefGain!=refGain) { | |
746 | // compensate for using different gain than in the reference calibration | |
747 | // we may need to have a custom H/L ratio value for each tower | |
748 | // later, but for now just use a common value, as the rest of the code does.. | |
0ce5c45d | 749 | ratioT = ampT[iSM][iCol][iRow][newGain].At(j) / ampLEDRefT[iSM][iStrip][newRefGain].At(j); |
82d90a2f | 750 | |
751 | if (newGain<iGain) { | |
0ce5c45d | 752 | ratioT *= fHighLowGainFactor; |
82d90a2f | 753 | } |
754 | else if (newRefGain<refGain) { | |
0ce5c45d | 755 | ratioT /= fHighLowGainFactor; |
82d90a2f | 756 | } |
d81e6423 | 757 | } |
758 | } | |
759 | else { | |
0ce5c45d | 760 | ratioT = kErrorCode; |
d81e6423 | 761 | } |
762 | ||
763 | // Calc. correction factor | |
0ce5c45d | 764 | if (ratiot0>0 && ratioT>0) { |
765 | correction = ratiot0/ratioT; | |
d81e6423 | 766 | } |
767 | else { | |
0ce5c45d | 768 | correction = kErrorCode; |
d81e6423 | 769 | nRemaining++; |
770 | } | |
771 | ||
772 | // Store the value | |
0ce5c45d | 773 | dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->AddAt(correction, j); |
d81e6423 | 774 | /* Check that |
775 | fTimeDepCorrection->SetCorrection(i, iCol, iRow, j, correction); | |
776 | also works OK */ | |
777 | } // nBins | |
778 | } | |
779 | } | |
780 | } | |
781 | ||
782 | nRemaining = CalcLEDCorrectionStripBasis(nSM, nBins); | |
783 | return nRemaining; | |
784 | } | |
785 | ||
786 | //________________________________________________________________ | |
787 | Int_t AliEMCALCalibTimeDep::CalcLEDCorrectionStripBasis(Int_t nSM, Int_t nBins) | |
788 | { // use averages for each strip if no good values exist for some single tower | |
789 | ||
790 | // go over fTimeDepCorrection info | |
791 | Int_t nRemaining = 0; // we count the towers for which we could not get valid data | |
792 | ||
d81e6423 | 793 | // for calculating StripAverage info |
794 | int nValidTower = 0; | |
0ce5c45d | 795 | Float_t stripAverage = 0; |
d81e6423 | 796 | Float_t val = 0; |
797 | ||
798 | int iSM = 0; | |
799 | int iCol = 0; | |
800 | int iRow = 0; | |
801 | int iStrip = 0; | |
802 | int firstCol = 0; | |
803 | int lastCol = 0; | |
804 | ||
805 | for (int i = 0; i < nSM; i++) { | |
0ce5c45d | 806 | AliEMCALSuperModuleCalibTimeDepCorrection * dataCalibTimeDepCorrection = fCalibTimeDepCorrection->GetSuperModuleCalibTimeDepCorrectionNum(i); |
807 | iSM = dataCalibTimeDepCorrection->GetSuperModuleNum(); | |
2f17a269 | 808 | |
d81e6423 | 809 | for (int j = 0; j < nBins; j++) { |
810 | ||
811 | nValidTower = 0; | |
0ce5c45d | 812 | stripAverage = 0; |
d81e6423 | 813 | |
814 | for (iStrip = 0; iStrip < AliEMCALGeoParams::fgkEMCALLEDRefs; iStrip++) { | |
815 | firstCol = iStrip*2; | |
816 | if ((iSM%2)==1) { // C side | |
817 | firstCol = (AliEMCALGeoParams::fgkEMCALLEDRefs-1 - iStrip)*2; | |
818 | } | |
819 | lastCol = firstCol+1; | |
820 | ||
821 | for (iCol = firstCol; iCol <= lastCol; iCol++) { | |
822 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
0ce5c45d | 823 | val = dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->At(j); |
d81e6423 | 824 | if (val>0) { // valid value; error code is negative |
0ce5c45d | 825 | stripAverage += val; |
d81e6423 | 826 | nValidTower++; |
827 | } | |
828 | } | |
829 | } | |
830 | ||
831 | // calc average over strip | |
832 | if (nValidTower>0) { | |
0ce5c45d | 833 | stripAverage /= nValidTower; |
d81e6423 | 834 | for (iCol = firstCol; iCol <= lastCol; iCol++) { |
835 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
0ce5c45d | 836 | val = dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->At(j); |
d81e6423 | 837 | if (val<0) { // invalid value; error code is negative |
0ce5c45d | 838 | dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->AddAt(val, j); |
d81e6423 | 839 | } |
840 | } | |
841 | } | |
842 | } | |
843 | else { // could not fill in unvalid entries | |
844 | nRemaining += 2*AliEMCALGeoParams::fgkEMCALRows; | |
845 | } | |
846 | ||
847 | } // iStrip | |
848 | } // j, bins | |
849 | } // iSM | |
850 | ||
851 | return nRemaining; | |
852 | } | |
853 | ||
854 | //________________________________________________________________ | |
716fca62 | 855 | Int_t AliEMCALCalibTimeDep::CalcTemperatureCorrection(Int_t nSM, Int_t nBins, Int_t binSize) |
d81e6423 | 856 | { // OK, so we didn't have valid LED data that allowed us to do the correction only |
857 | // with that info. | |
858 | // So, instead we'll rely on the temperature info and try to do the correction | |
859 | // based on that instead. | |
860 | // For this, we'll need the info from 3 classes (+temperature array), and output the values in a 4th class | |
861 | Int_t nRemaining = 0; | |
862 | ||
d81e6423 | 863 | int iSM = 0; |
864 | int iCol = 0; | |
865 | int iRow = 0; | |
866 | ||
0ce5c45d | 867 | Double_t dTempCoeff[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows]; |
868 | memset(dTempCoeff, 0, sizeof(dTempCoeff)); | |
869 | Float_t gainM = 0; | |
d81e6423 | 870 | Double_t correction = 0; |
716fca62 | 871 | Double_t secondsPerBin = (Double_t) binSize; |
d81e6423 | 872 | |
873 | for (int i = 0; i < nSM; i++) { | |
716fca62 | 874 | AliEMCALSuperModuleCalibTimeDepCorrection * dataCalibTimeDepCorrection = fCalibTimeDepCorrection->GetSuperModuleCalibTimeDepCorrectionNum(i); |
0ce5c45d | 875 | iSM = dataCalibTimeDepCorrection->GetSuperModuleNum(); |
2f17a269 | 876 | |
0ce5c45d | 877 | AliEMCALSuperModuleCalibReference * dataCalibReference = fCalibReference->GetSuperModuleCalibReferenceNum(iSM); |
878 | AliEMCALSuperModuleCalibMapAPD * dataCalibMapAPD = fCalibMapAPD->GetSuperModuleCalibMapAPDNum(iSM); | |
716fca62 | 879 | AliEMCALSuperModuleBiasAPD * dataBiasAPD = fBiasAPD->GetSuperModuleBiasAPDNum(iSM); |
880 | ||
d81e6423 | 881 | // first calculate the M=Gain values, and TemperatureCoeff, for all towers in this SuperModule, from BiasAPD and CalibMapAPD info |
882 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
883 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
0ce5c45d | 884 | AliEMCALCalibMapAPDVal * mapAPD = dataCalibMapAPD->GetAPDVal(iCol, iRow); |
885 | gainM = fCalibMapAPD->GetGain(mapAPD->GetPar(0), mapAPD->GetPar(1), mapAPD->GetPar(2), | |
886 | dataBiasAPD->GetVoltage(iCol, iRow)); | |
887 | dTempCoeff[iCol][iRow] = GetTempCoeff(mapAPD->GetDarkCurrent(), gainM); | |
716fca62 | 888 | if (fVerbosity > 1) { |
889 | cout << " iSM " << iSM << " iCol " << iCol << " iRow " << iRow | |
890 | << " par0 " << mapAPD->GetPar(0) | |
891 | << " par1 " << mapAPD->GetPar(1) | |
892 | << " par2 " << mapAPD->GetPar(2) | |
893 | << " bias " << dataBiasAPD->GetVoltage(iCol, iRow) | |
894 | << " gainM " << gainM << " dTempCoeff " << dTempCoeff[iCol][iRow] << endl; | |
895 | } | |
d81e6423 | 896 | } |
897 | } | |
898 | ||
82d90a2f | 899 | // figure out what the reference temperature is, from fCalibReference |
0ce5c45d | 900 | Double_t referenceTemperature = 0; |
d81e6423 | 901 | int nVal = 0; |
902 | for (int iSensor = 0; iSensor<AliEMCALGeoParams::fgkEMCALTempSensors ; iSensor++) { | |
0ce5c45d | 903 | if (dataCalibReference->GetTemperature(iSensor)>0) { // hopefully OK value |
904 | referenceTemperature += dataCalibReference->GetTemperature(iSensor); | |
d81e6423 | 905 | nVal++; |
906 | } | |
907 | } | |
908 | ||
909 | if (nVal>0) { | |
0ce5c45d | 910 | referenceTemperature /= nVal; // valid values exist, we can look into corrections |
d81e6423 | 911 | |
912 | for (int j = 0; j < nBins; j++) { | |
d81e6423 | 913 | // what is the timestamp in the middle of this bin? (0.5 is for middle of bin) |
914 | UInt_t timeStamp = fStartTime + (UInt_t)((j+0.5)*secondsPerBin); | |
915 | // 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) | |
0ce5c45d | 916 | Double_t dSMTemperature = GetTemperatureSM(iSM, timeStamp); |
d81e6423 | 917 | |
716fca62 | 918 | Double_t temperatureDiff = dSMTemperature - referenceTemperature ; // new - old |
919 | if (fVerbosity > 0) { | |
920 | cout << " referenceTemperature " << referenceTemperature | |
921 | << " dSMTemperature " << dSMTemperature | |
922 | << " temperatureDiff " << temperatureDiff | |
923 | << endl; | |
924 | } | |
d81e6423 | 925 | // if the new temperature is higher than the old/reference one, then the gain has gone down |
716fca62 | 926 | // if the new temperature is lower than the old/reference one, then the gain has gone up |
927 | // dTempCoeff is a negative number describing how many % (hence 0.01 factor below) the gain | |
928 | // changes with a positive degree change. | |
929 | // i.e. the product temperatureDiff * dTempCoeff increase when the gain goes up | |
930 | // The correction we want to keep is what we should multiply our ADC value with as a function | |
931 | // of time, i.e. the inverse of the gain change.. | |
0ce5c45d | 932 | if (fabs(temperatureDiff)>fTemperatureResolution) { |
d81e6423 | 933 | // significant enough difference that we need to consider it |
934 | ||
935 | // loop over all towers; effect of temperature change will depend on gain for this tower | |
936 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
937 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
938 | ||
716fca62 | 939 | // the correction should be inverse of modification in gain: (see discussion above) |
940 | // modification in gain: 1.0 + (temperatureDiff * dTempCoeff[iCol][iRow])*0.01; | |
941 | // 1/(1+x) ~= 1 - x for small x, i.e. we arrive at: | |
942 | correction = 1.0 - (temperatureDiff * dTempCoeff[iCol][iRow])*0.01; | |
0ce5c45d | 943 | dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->AddAt(correction, j); |
716fca62 | 944 | if (fVerbosity > 1) { |
945 | cout << " iSM " << iSM | |
946 | << " iCol " << iCol | |
947 | << " iRow " << iRow | |
948 | << " j " << j | |
949 | << " correction " << correction | |
950 | << endl; | |
951 | } | |
d81e6423 | 952 | } |
953 | } | |
954 | ||
955 | } // if noteworthy temperature change | |
956 | else { // just set correction values to 1.0 | |
957 | correction = 1; | |
958 | for (iCol = 0; iCol < AliEMCALGeoParams::fgkEMCALCols; iCol++) { | |
959 | for (iRow = 0; iRow < AliEMCALGeoParams::fgkEMCALRows; iRow++) { | |
0ce5c45d | 960 | dataCalibTimeDepCorrection->GetCorrection(iCol,iRow)->AddAt(correction, j); |
d81e6423 | 961 | } |
962 | } | |
963 | } // else | |
964 | } // j, Bins | |
965 | ||
966 | } // if reference temperature exist | |
967 | else { // could not do the needed check.. signal that in the return code | |
968 | nRemaining += AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows * nBins; | |
969 | } | |
970 | } // iSM | |
971 | ||
972 | return nRemaining; | |
973 | } | |
974 |