fixing wrong EOL
[u/mrichter/AliRoot.git] / TRD / AliTRDcalibDB.cxx
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3551db50 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/* $Id$ */
17
18///////////////////////////////////////////////////////////////////////////////
19// //
20// Class providing the calibration parameters by accessing the CDB //
21// //
2745a409 22// Request an instance with AliTRDcalibDB::Instance() //
3551db50 23// If a new event is processed set the event number with SetRun //
24// Then request the calibration data //
25// //
2745a409 26// Author: //
27// Jan Fiete Grosse-Oetringhaus (Jan.Fiete.Grosse-Oetringhaus@cern.ch) //
28// //
3551db50 29///////////////////////////////////////////////////////////////////////////////
30
090026bf 31#include <TMath.h>
3551db50 32#include <TRandom.h>
33
2745a409 34#include "AliCDBManager.h"
35#include "AliCDBStorage.h"
36#include "AliCDBEntry.h"
37#include "AliLog.h"
3551db50 38
39#include "AliTRDcalibDB.h"
40#include "AliTRDgeometry.h"
41#include "AliTRDpadPlane.h"
42#include "AliTRDCommonParam.h"
43
7754cd1f 44#include "Cal/AliTRDCalROC.h"
7754cd1f 45#include "Cal/AliTRDCalPad.h"
46#include "Cal/AliTRDCalDet.h"
47#include "Cal/AliTRDCalGlobals.h"
48#include "Cal/AliTRDCalPIDLQ.h"
49#include "Cal/AliTRDCalMonitoring.h"
7754cd1f 50#include "Cal/AliTRDCalChamberStatus.h"
7754cd1f 51#include "Cal/AliTRDCalPadStatus.h"
52#include "Cal/AliTRDCalSingleChamberStatus.h"
3551db50 53
54ClassImp(AliTRDcalibDB)
55
2745a409 56AliTRDcalibDB *AliTRDcalibDB::fgInstance = 0;
57Bool_t AliTRDcalibDB::fgTerminated = kFALSE;
3551db50 58
59//_ singleton implementation __________________________________________________
60AliTRDcalibDB* AliTRDcalibDB::Instance()
61{
62 //
63 // Singleton implementation
64 // Returns an instance of this class, it is created if neccessary
63a700c6 65 //
3551db50 66
6d50f529 67 if (fgTerminated != kFALSE) {
3551db50 68 return 0;
6d50f529 69 }
3551db50 70
6d50f529 71 if (fgInstance == 0) {
3551db50 72 fgInstance = new AliTRDcalibDB();
6d50f529 73 }
e254cad1 74
3551db50 75 return fgInstance;
4e009ce4 76
3551db50 77}
78
2745a409 79//_____________________________________________________________________________
3551db50 80void AliTRDcalibDB::Terminate()
81{
82 //
83 // Singleton implementation
6bf5f0ce 84 // Deletes the instance of this class and sets the terminated flag,
85 // instances cannot be requested anymore
3551db50 86 // This function can be called several times.
87 //
88
89 fgTerminated = kTRUE;
90
6d50f529 91 if (fgInstance != 0) {
3551db50 92 delete fgInstance;
93 fgInstance = 0;
94 }
2745a409 95
3551db50 96}
97
98//_____________________________________________________________________________
99AliTRDcalibDB::AliTRDcalibDB()
2745a409 100 :TObject()
101 ,fRun(-1)
6d50f529 102 ,fPRFsmp(0)
103 ,fPRFbin(0)
104 ,fPRFlo(0)
105 ,fPRFhi(0)
106 ,fPRFwid(0)
107 ,fPRFpad(0)
3551db50 108{
109 //
2745a409 110 // Default constructor
3551db50 111 //
2745a409 112 // TODO Default runnumber is set to 0, this should be changed later
113 // to an invalid value (e.g. -1) to prevent
3551db50 114 // TODO invalid calibration data to be used.
2745a409 115 //
116
95867fd1 117 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
2745a409 118 fCDBCache[i] = 0;
119 fCDBEntries[i] = 0;
120 }
3551db50 121
2745a409 122 // Create the sampled PRF
123 SamplePRF();
124
125}
126
127//_____________________________________________________________________________
128AliTRDcalibDB::AliTRDcalibDB(const AliTRDcalibDB &c)
129 :TObject(c)
6d50f529 130 ,fRun(-1)
131 ,fPRFsmp(0)
132 ,fPRFbin(0)
133 ,fPRFlo(0)
134 ,fPRFhi(0)
135 ,fPRFwid(0)
136 ,fPRFpad(0)
2745a409 137{
138 //
139 // Copy constructor (not that it make any sense for a singleton...)
140 //
141
95867fd1 142 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
2745a409 143 fCDBCache[i] = 0;
3551db50 144 fCDBEntries[i] = 0;
145 }
6a739e92 146
147 // Create the sampled PRF
148 SamplePRF();
2745a409 149
150}
151
152//_____________________________________________________________________________
153AliTRDcalibDB &AliTRDcalibDB::operator=(const AliTRDcalibDB &c)
154{
155 //
156 // Assignment operator (same as above ...)
157 //
158
159 if (this != &c) {
160 AliFatal("No assignment operator defined");
161 }
4e009ce4 162
2745a409 163 return *this;
164
acba9bad 165}
3551db50 166
167//_____________________________________________________________________________
168AliTRDcalibDB::~AliTRDcalibDB()
169{
170 //
171 // destructor
172 //
173
6d50f529 174 if (fPRFsmp) {
175 delete [] fPRFsmp;
176 fPRFsmp = 0;
6a739e92 177 }
178
3551db50 179 Invalidate();
2745a409 180
acba9bad 181}
3551db50 182
63a700c6 183//_caching functions____________________________________________________________
95867fd1 184const TObject *AliTRDcalibDB::GetCachedCDBObject(Int_t id)
63a700c6 185{
2745a409 186 //
187 // Retrieves a cdb object with the given id. The objects are cached as
188 // long as the run number is not changed.
189 //
190 // Put together the available objects here by using the lines
191 // a) For usual calibration objects:
192 // case kID<Name> :
193 // return CacheCDBEntry(kID<Name>,"TRD/Calib/<Path>");
194 // break;
195 // See function CacheCDBEntry for details.
196 // and
197 // b) For calibration data which depends on two objects: One containing
198 // a value per detector and one the local fluctuations per pad:
199 // case kID<Name> :
200 // return CacheMergeCDBEntry(kID<Name>,"TRD/Calib/<padPath>","TRD/Calib/<chamberPath>");
201 // break;
202 // See function CacheMergeCDBEntry for details.
203 //
63a700c6 204
6d50f529 205 switch (id) {
2745a409 206
207 // Parameters defined per pad and chamber
208 case kIDVdriftPad :
6d50f529 209 return CacheCDBEntry(kIDVdriftPad ,"TRD/Calib/LocalVdrift");
2745a409 210 break;
211 case kIDVdriftChamber :
6d50f529 212 return CacheCDBEntry(kIDVdriftChamber ,"TRD/Calib/ChamberVdrift");
2745a409 213 break;
214 case kIDT0Pad :
6d50f529 215 return CacheCDBEntry(kIDT0Pad ,"TRD/Calib/LocalT0");
2745a409 216 break;
217 case kIDT0Chamber :
6d50f529 218 return CacheCDBEntry(kIDT0Chamber ,"TRD/Calib/ChamberT0");
2745a409 219 break;
220 case kIDGainFactorPad :
6d50f529 221 return CacheCDBEntry(kIDGainFactorPad ,"TRD/Calib/LocalGainFactor");
2745a409 222 break;
223 case kIDGainFactorChamber :
6d50f529 224 return CacheCDBEntry(kIDGainFactorChamber ,"TRD/Calib/ChamberGainFactor");
2745a409 225 break;
226
227 // Parameters defined per pad
228 case kIDPRFWidth :
6d50f529 229 return CacheCDBEntry(kIDPRFWidth ,"TRD/Calib/PRFWidth");
2745a409 230 break;
231
232 // Status values
2745a409 233 case kIDChamberStatus :
6d50f529 234 return CacheCDBEntry(kIDChamberStatus ,"TRD/Calib/ChamberStatus");
2745a409 235 break;
2745a409 236 case kIDPadStatus :
6d50f529 237 return CacheCDBEntry(kIDPadStatus ,"TRD/Calib/PadStatus");
2745a409 238 break;
239
240 // Global parameters
241 case kIDMonitoringData :
6d50f529 242 return CacheCDBEntry(kIDMonitoringData ,"TRD/Calib/MonitoringData");
2745a409 243 break;
244 case kIDGlobals :
6d50f529 245 return CacheCDBEntry(kIDGlobals ,"TRD/Calib/Globals");
2745a409 246 break;
247 case kIDPIDLQ :
6d50f529 248 return CacheCDBEntry(kIDPIDLQ ,"TRD/Calib/PIDLQ");
2745a409 249 break;
250
251 }
252
253 return 0;
254
63a700c6 255}
256
257//_____________________________________________________________________________
95867fd1 258AliCDBEntry *AliTRDcalibDB::GetCDBEntry(const char *cdbPath)
63a700c6 259{
260 //
261 // Retrieves an entry with path <cdbPath> from the CDB.
262 //
263
95867fd1 264 AliCDBEntry *entry = AliCDBManager::Instance()->Get(cdbPath,fRun);
2745a409 265 if (!entry) {
266 AliError(Form("Failed to get entry: %s",cdbPath));
63a700c6 267 return 0;
268 }
269
63a700c6 270 return entry;
2745a409 271
63a700c6 272}
273
274//_____________________________________________________________________________
95867fd1 275const TObject *AliTRDcalibDB::CacheCDBEntry(Int_t id, const char *cdbPath)
63a700c6 276{
277 //
278 // Caches the entry <id> with cdb path <cdbPath>
279 //
280
2745a409 281 if (!fCDBCache[id]) {
63a700c6 282 fCDBEntries[id] = GetCDBEntry(cdbPath);
95867fd1 283 if (fCDBEntries[id]) {
63a700c6 284 fCDBCache[id] = fCDBEntries[id]->GetObject();
95867fd1 285 }
63a700c6 286 }
95867fd1 287
63a700c6 288 return fCDBCache[id];
2745a409 289
63a700c6 290}
291
3551db50 292//_____________________________________________________________________________
293void AliTRDcalibDB::SetRun(Long64_t run)
294{
295 //
7754cd1f 296 // Sets current run number. Calibration data is read from the corresponding file.
3551db50 297 // When the run number changes the caching is invalidated.
298 //
7754cd1f 299
6d50f529 300 if (fRun == run) {
3551db50 301 return;
6d50f529 302 }
7754cd1f 303
3551db50 304 fRun = run;
95867fd1 305
3551db50 306 Invalidate();
2745a409 307
3551db50 308}
7754cd1f 309
3551db50 310//_____________________________________________________________________________
311void AliTRDcalibDB::Invalidate()
312{
313 //
314 // Invalidates cache (when run number is changed).
315 //
316
95867fd1 317 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
2745a409 318 if (fCDBEntries[i]) {
319 if (AliCDBManager::Instance()->GetCacheFlag() == kFALSE) {
11f5dd43 320 if ((fCDBEntries[i]->IsOwner() == kFALSE) &&
321 (fCDBCache[i])) {
e254cad1 322 delete fCDBCache[i];
2745a409 323 }
e254cad1 324 delete fCDBEntries[i];
325 }
3551db50 326 fCDBEntries[i] = 0;
2745a409 327 fCDBCache[i] = 0;
3551db50 328 }
329 }
2745a409 330
3551db50 331}
332
3551db50 333//_____________________________________________________________________________
334Float_t AliTRDcalibDB::GetVdrift(Int_t det, Int_t col, Int_t row)
335{
336 //
337 // Returns the drift velocity for the given pad.
338 //
7754cd1f 339
95867fd1 340 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
6d50f529 341 (GetCachedCDBObject(kIDVdriftPad));
342 if (!calPad) {
3551db50 343 return -1;
6d50f529 344 }
3551db50 345
95867fd1 346 AliTRDCalROC *roc = calPad->GetCalROC(det);
6d50f529 347 if (!roc) {
3551db50 348 return -1;
6d50f529 349 }
3551db50 350
95867fd1 351 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
6d50f529 352 (GetCachedCDBObject(kIDVdriftChamber));
353 if (!calChamber) {
7754cd1f 354 return -1;
6d50f529 355 }
7754cd1f 356
95867fd1 357 return calChamber->GetValue(det) * roc->GetValue(col,row);
2745a409 358
7754cd1f 359}
360
361//_____________________________________________________________________________
362Float_t AliTRDcalibDB::GetVdriftAverage(Int_t det)
363{
364 //
365 // Returns the average drift velocity for the given detector
366 //
367
95867fd1 368 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
6d50f529 369 (GetCachedCDBObject(kIDVdriftChamber));
370 if (!calDet) {
7754cd1f 371 return -1;
6d50f529 372 }
7754cd1f 373
374 return calDet->GetValue(det);
2745a409 375
acba9bad 376}
3551db50 377
378//_____________________________________________________________________________
379Float_t AliTRDcalibDB::GetT0(Int_t det, Int_t col, Int_t row)
380{
381 //
382 // Returns t0 for the given pad.
383 //
384
95867fd1 385 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
6d50f529 386 (GetCachedCDBObject(kIDT0Pad));
387 if (!calPad) {
3551db50 388 return -1;
6d50f529 389 }
3551db50 390
95867fd1 391 AliTRDCalROC *roc = calPad->GetCalROC(det);
6d50f529 392 if (!roc) {
3551db50 393 return -1;
6d50f529 394 }
3551db50 395
95867fd1 396 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
6d50f529 397 (GetCachedCDBObject(kIDT0Chamber));
398 if (!calChamber) {
7754cd1f 399 return -1;
6d50f529 400 }
7754cd1f 401
95867fd1 402 return calChamber->GetValue(det) * roc->GetValue(col,row);
2745a409 403
7754cd1f 404}
405
406//_____________________________________________________________________________
407Float_t AliTRDcalibDB::GetT0Average(Int_t det)
408{
409 //
410 // Returns the average t0 for the given detector
411 //
412
95867fd1 413 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
6d50f529 414 (GetCachedCDBObject(kIDT0Chamber));
415 if (!calDet) {
7754cd1f 416 return -1;
6d50f529 417 }
7754cd1f 418
419 return calDet->GetValue(det);
2745a409 420
acba9bad 421}
3551db50 422
423//_____________________________________________________________________________
424Float_t AliTRDcalibDB::GetGainFactor(Int_t det, Int_t col, Int_t row)
425{
426 //
427 // Returns the gain factor for the given pad.
428 //
429
95867fd1 430 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
6d50f529 431 (GetCachedCDBObject(kIDGainFactorPad));
432 if (!calPad) {
3551db50 433 return -1;
6d50f529 434 }
3551db50 435
95867fd1 436 AliTRDCalROC *roc = calPad->GetCalROC(det);
3551db50 437 if (!roc)
438 return -1;
439
95867fd1 440 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
6d50f529 441 (GetCachedCDBObject(kIDGainFactorChamber));
442 if (!calChamber) {
7754cd1f 443 return -1;
6d50f529 444 }
7754cd1f 445
95867fd1 446 return calChamber->GetValue(det) * roc->GetValue(col,row);
2745a409 447
7754cd1f 448}
449
450//_____________________________________________________________________________
451Float_t AliTRDcalibDB::GetGainFactorAverage(Int_t det)
452{
453 //
454 // Returns the average gain factor for the given detector
455 //
456
95867fd1 457 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
6d50f529 458 (GetCachedCDBObject(kIDGainFactorChamber));
459 if (!calDet) {
7754cd1f 460 return -1;
6d50f529 461 }
7754cd1f 462
463 return calDet->GetValue(det);
2745a409 464
acba9bad 465}
6a739e92 466
467//_____________________________________________________________________________
468Float_t AliTRDcalibDB::GetPRFWidth(Int_t det, Int_t col, Int_t row)
469{
470 //
471 // Returns the PRF width for the given pad.
472 //
473
95867fd1 474 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
6d50f529 475 (GetCachedCDBObject(kIDPRFWidth));
476 if (!calPad) {
6a739e92 477 return -1;
6d50f529 478 }
6a739e92 479
95867fd1 480 AliTRDCalROC *roc = calPad->GetCalROC(det);
6d50f529 481 if (!roc) {
6a739e92 482 return -1;
6d50f529 483 }
6a739e92 484
95867fd1 485 return roc->GetValue(col,row);
2745a409 486
acba9bad 487}
3551db50 488
489//_____________________________________________________________________________
490Int_t AliTRDcalibDB::GetNumberOfTimeBins()
491{
492 //
493 // Returns the number of time bins which are read-out.
494 //
7754cd1f 495
95867fd1 496 const AliTRDCalGlobals *calGlobal = dynamic_cast<const AliTRDCalGlobals *>
6d50f529 497 (GetCachedCDBObject(kIDGlobals));
498 if (!calGlobal) {
7754cd1f 499 return -1;
6d50f529 500 }
7754cd1f 501
3551db50 502 return calGlobal->GetNumberOfTimeBins();
2745a409 503
3551db50 504}
505
7754cd1f 506//_____________________________________________________________________________
507Char_t AliTRDcalibDB::GetPadStatus(Int_t det, Int_t col, Int_t row)
508{
509 //
510 // Returns the status of the given pad
511 //
512
95867fd1 513 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
6d50f529 514 (GetCachedCDBObject(kIDPadStatus));
515 if (!cal) {
7754cd1f 516 return -1;
6d50f529 517 }
7754cd1f 518
95867fd1 519 const AliTRDCalSingleChamberStatus *roc = cal->GetCalROC(det);
6d50f529 520 if (!roc) {
7754cd1f 521 return -1;
6d50f529 522 }
7754cd1f 523
95867fd1 524 return roc->GetStatus(col,row);
2745a409 525
7754cd1f 526}
527
7754cd1f 528//_____________________________________________________________________________
529Char_t AliTRDcalibDB::GetChamberStatus(Int_t det)
530{
531 //
532 // Returns the status of the given chamber
533 //
534
95867fd1 535 const AliTRDCalChamberStatus *cal = dynamic_cast<const AliTRDCalChamberStatus *>
6d50f529 536 (GetCachedCDBObject(kIDChamberStatus));
537 if (!cal) {
7754cd1f 538 return -1;
6d50f529 539 }
7754cd1f 540
541 return cal->GetStatus(det);
2745a409 542
7754cd1f 543}
544
7754cd1f 545//_____________________________________________________________________________
546Bool_t AliTRDcalibDB::IsPadMasked(Int_t det, Int_t col, Int_t row)
547{
548 //
549 // Returns status, see name of functions for details ;-)
550 //
551
95867fd1 552 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
553 (GetCachedCDBObject(kIDPadStatus));
6d50f529 554 if (!cal) {
7754cd1f 555 return -1;
6d50f529 556 }
7754cd1f 557
95867fd1 558 return cal->IsMasked(det,col,row);
2745a409 559
7754cd1f 560}
561
562//_____________________________________________________________________________
563Bool_t AliTRDcalibDB::IsPadBridgedLeft(Int_t det, Int_t col, Int_t row)
564{
565 //
566 // Returns status, see name of functions for details ;-)
567 //
568
95867fd1 569 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
570 (GetCachedCDBObject(kIDPadStatus));
6d50f529 571 if (!cal) {
7754cd1f 572 return -1;
6d50f529 573 }
7754cd1f 574
95867fd1 575 return cal->IsBridgedLeft(det,col,row);
2745a409 576
7754cd1f 577}
578
579//_____________________________________________________________________________
580Bool_t AliTRDcalibDB::IsPadBridgedRight(Int_t det, Int_t col, Int_t row)
581{
582 //
583 // Returns status, see name of functions for details ;-)
584 //
585
95867fd1 586 const AliTRDCalPadStatus * cal = dynamic_cast<const AliTRDCalPadStatus *>
587 (GetCachedCDBObject(kIDPadStatus));
6d50f529 588 if (!cal) {
7754cd1f 589 return -1;
6d50f529 590 }
7754cd1f 591
95867fd1 592 return cal->IsBridgedRight(det,col,row);
2745a409 593
7754cd1f 594}
595
7754cd1f 596//_____________________________________________________________________________
597Bool_t AliTRDcalibDB::IsChamberInstalled(Int_t det)
598{
599 //
600 // Returns status, see name of functions for details ;-)
601 //
602
95867fd1 603 const AliTRDCalChamberStatus * cal = dynamic_cast<const AliTRDCalChamberStatus *>
604 (GetCachedCDBObject(kIDChamberStatus));
6d50f529 605 if (!cal) {
7754cd1f 606 return -1;
6d50f529 607 }
7754cd1f 608
609 return cal->IsInstalled(det);
2745a409 610
7754cd1f 611}
612
613//_____________________________________________________________________________
614Bool_t AliTRDcalibDB::IsChamberMasked(Int_t det)
615{
616 //
617 // Returns status, see name of functions for details ;-)
618 //
619
95867fd1 620 const AliTRDCalChamberStatus * cal = dynamic_cast<const AliTRDCalChamberStatus *>
621 (GetCachedCDBObject(kIDChamberStatus));
6d50f529 622 if (!cal) {
7754cd1f 623 return -1;
6d50f529 624 }
7754cd1f 625
626 return cal->IsMasked(det);
2745a409 627
7754cd1f 628}
629
cc7cef99 630//_____________________________________________________________________________
63a700c6 631const AliTRDCalPIDLQ* AliTRDcalibDB::GetPIDLQObject()
cc7cef99 632{
633 //
634 // Returns the object storing the distributions for PID with likelihood
635 //
7754cd1f 636
95867fd1 637 return dynamic_cast<const AliTRDCalPIDLQ *> (GetCachedCDBObject(kIDPIDLQ));
2745a409 638
cc7cef99 639}
640
7754cd1f 641//_____________________________________________________________________________
642const AliTRDCalMonitoring* AliTRDcalibDB::GetMonitoringObject()
643{
644 //
645 // Returns the object storing the monitoring data
646 //
647
95867fd1 648 return dynamic_cast<const AliTRDCalMonitoring *> (GetCachedCDBObject(kIDMonitoringData));
1b95a37b 649
7754cd1f 650}
651
3551db50 652//_____________________________________________________________________________
1b95a37b 653Float_t AliTRDcalibDB::GetOmegaTau(Float_t vdrift, Float_t bz)
3551db50 654{
655 //
4e009ce4 656 // Returns omega*tau (tan(Lorentz-angle)) for a given drift velocity <vdrift>
657 // and a B-field <bz> for Xe/CO2 (15%).
3551db50 658 // The values are according to a GARFIELD simulation.
659 //
4e009ce4 660 // This function basically does not belong to the calibration class.
661 // It should be moved somewhere else.
3551db50 662 // However, currently it is in use by simulation and reconstruction.
663 //
664
1b95a37b 665 Float_t fieldAbs = TMath::Abs(bz);
4e009ce4 666 Float_t fieldSgn = (bz > 0.0) ? 1.0 : -1.0;
3551db50 667
668 const Int_t kNb = 5;
669 Float_t p0[kNb] = { 0.004810, 0.007412, 0.010252, 0.013409, 0.016888 };
670 Float_t p1[kNb] = { 0.054875, 0.081534, 0.107333, 0.131983, 0.155455 };
671 Float_t p2[kNb] = { -0.008682, -0.012896, -0.016987, -0.020880, -0.024623 };
672 Float_t p3[kNb] = { 0.000155, 0.000238, 0.000330, 0.000428, 0.000541 };
673
4806f526 674 // No ExB if field is too small (or zero)
675 if (fieldAbs < 0.01) {
3551db50 676
4806f526 677 return 0.0;
d19b1f90 678
4806f526 679 }
680 // Calculate ExB from parametrization
681 else {
682
683 Int_t ib = ((Int_t) (10 * (fieldAbs - 0.15)));
684 ib = TMath::Max( 0,ib);
685 ib = TMath::Min(kNb,ib);
686
687 Float_t alphaL = p0[ib]
688 + p1[ib] * vdrift
689 + p2[ib] * vdrift*vdrift
690 + p3[ib] * vdrift*vdrift*vdrift;
691
692 return TMath::Tan(fieldSgn * alphaL);
693
694 }
3551db50 695
6a739e92 696}
697
698//_____________________________________________________________________________
699void AliTRDcalibDB::SamplePRF()
700{
701 //
2745a409 702 // Samples the pad response function (should maybe go somewhere else ...)
6a739e92 703 //
704
705 const Int_t kPRFbin = 61;
706
6d50f529 707 Float_t prf[kNplan][kPRFbin] = {
708 {2.9037e-02, 3.3608e-02, 3.9020e-02, 4.5292e-02,
6a739e92 709 5.2694e-02, 6.1362e-02, 7.1461e-02, 8.3362e-02,
710 9.7063e-02, 1.1307e-01, 1.3140e-01, 1.5235e-01,
711 1.7623e-01, 2.0290e-01, 2.3294e-01, 2.6586e-01,
712 3.0177e-01, 3.4028e-01, 3.8077e-01, 4.2267e-01,
713 4.6493e-01, 5.0657e-01, 5.4655e-01, 5.8397e-01,
714 6.1767e-01, 6.4744e-01, 6.7212e-01, 6.9188e-01,
715 7.0627e-01, 7.1499e-01, 7.1851e-01, 7.1499e-01,
716 7.0627e-01, 6.9188e-01, 6.7212e-01, 6.4744e-01,
717 6.1767e-01, 5.8397e-01, 5.4655e-01, 5.0657e-01,
718 4.6493e-01, 4.2267e-01, 3.8077e-01, 3.4028e-01,
719 3.0177e-01, 2.6586e-01, 2.3294e-01, 2.0290e-01,
720 1.7623e-01, 1.5235e-01, 1.3140e-01, 1.1307e-01,
721 9.7063e-02, 8.3362e-02, 7.1461e-02, 6.1362e-02,
722 5.2694e-02, 4.5292e-02, 3.9020e-02, 3.3608e-02,
723 2.9037e-02},
724 {2.5478e-02, 2.9695e-02, 3.4655e-02, 4.0454e-02,
725 4.7342e-02, 5.5487e-02, 6.5038e-02, 7.6378e-02,
726 8.9696e-02, 1.0516e-01, 1.2327e-01, 1.4415e-01,
727 1.6794e-01, 1.9516e-01, 2.2573e-01, 2.5959e-01,
728 2.9694e-01, 3.3719e-01, 3.7978e-01, 4.2407e-01,
729 4.6889e-01, 5.1322e-01, 5.5569e-01, 5.9535e-01,
730 6.3141e-01, 6.6259e-01, 6.8882e-01, 7.0983e-01,
731 7.2471e-01, 7.3398e-01, 7.3761e-01, 7.3398e-01,
732 7.2471e-01, 7.0983e-01, 6.8882e-01, 6.6259e-01,
733 6.3141e-01, 5.9535e-01, 5.5569e-01, 5.1322e-01,
734 4.6889e-01, 4.2407e-01, 3.7978e-01, 3.3719e-01,
735 2.9694e-01, 2.5959e-01, 2.2573e-01, 1.9516e-01,
736 1.6794e-01, 1.4415e-01, 1.2327e-01, 1.0516e-01,
737 8.9696e-02, 7.6378e-02, 6.5038e-02, 5.5487e-02,
738 4.7342e-02, 4.0454e-02, 3.4655e-02, 2.9695e-02,
739 2.5478e-02},
740 {2.2363e-02, 2.6233e-02, 3.0782e-02, 3.6140e-02,
741 4.2535e-02, 5.0157e-02, 5.9197e-02, 6.9900e-02,
742 8.2707e-02, 9.7811e-02, 1.1548e-01, 1.3601e-01,
743 1.5998e-01, 1.8739e-01, 2.1840e-01, 2.5318e-01,
744 2.9182e-01, 3.3373e-01, 3.7837e-01, 4.2498e-01,
745 4.7235e-01, 5.1918e-01, 5.6426e-01, 6.0621e-01,
746 6.4399e-01, 6.7700e-01, 7.0472e-01, 7.2637e-01,
747 7.4206e-01, 7.5179e-01, 7.5551e-01, 7.5179e-01,
748 7.4206e-01, 7.2637e-01, 7.0472e-01, 6.7700e-01,
749 6.4399e-01, 6.0621e-01, 5.6426e-01, 5.1918e-01,
750 4.7235e-01, 4.2498e-01, 3.7837e-01, 3.3373e-01,
751 2.9182e-01, 2.5318e-01, 2.1840e-01, 1.8739e-01,
752 1.5998e-01, 1.3601e-01, 1.1548e-01, 9.7811e-02,
753 8.2707e-02, 6.9900e-02, 5.9197e-02, 5.0157e-02,
754 4.2535e-02, 3.6140e-02, 3.0782e-02, 2.6233e-02,
755 2.2363e-02},
756 {1.9635e-02, 2.3167e-02, 2.7343e-02, 3.2293e-02,
757 3.8224e-02, 4.5335e-02, 5.3849e-02, 6.4039e-02,
758 7.6210e-02, 9.0739e-02, 1.0805e-01, 1.2841e-01,
759 1.5216e-01, 1.7960e-01, 2.1099e-01, 2.4671e-01,
760 2.8647e-01, 3.2996e-01, 3.7660e-01, 4.2547e-01,
761 4.7536e-01, 5.2473e-01, 5.7215e-01, 6.1632e-01,
762 6.5616e-01, 6.9075e-01, 7.1939e-01, 7.4199e-01,
763 7.5838e-01, 7.6848e-01, 7.7227e-01, 7.6848e-01,
764 7.5838e-01, 7.4199e-01, 7.1939e-01, 6.9075e-01,
765 6.5616e-01, 6.1632e-01, 5.7215e-01, 5.2473e-01,
766 4.7536e-01, 4.2547e-01, 3.7660e-01, 3.2996e-01,
767 2.8647e-01, 2.4671e-01, 2.1099e-01, 1.7960e-01,
768 1.5216e-01, 1.2841e-01, 1.0805e-01, 9.0739e-02,
769 7.6210e-02, 6.4039e-02, 5.3849e-02, 4.5335e-02,
770 3.8224e-02, 3.2293e-02, 2.7343e-02, 2.3167e-02,
771 1.9635e-02},
772 {1.7224e-02, 2.0450e-02, 2.4286e-02, 2.8860e-02,
773 3.4357e-02, 4.0979e-02, 4.8966e-02, 5.8612e-02,
774 7.0253e-02, 8.4257e-02, 1.0102e-01, 1.2094e-01,
775 1.4442e-01, 1.7196e-01, 2.0381e-01, 2.4013e-01,
776 2.8093e-01, 3.2594e-01, 3.7450e-01, 4.2563e-01,
777 4.7796e-01, 5.2991e-01, 5.7974e-01, 6.2599e-01,
778 6.6750e-01, 7.0344e-01, 7.3329e-01, 7.5676e-01,
779 7.7371e-01, 7.8410e-01, 7.8793e-01, 7.8410e-01,
780 7.7371e-01, 7.5676e-01, 7.3329e-01, 7.0344e-01,
781 6.6750e-01, 6.2599e-01, 5.7974e-01, 5.2991e-01,
782 4.7796e-01, 4.2563e-01, 3.7450e-01, 3.2594e-01,
783 2.8093e-01, 2.4013e-01, 2.0381e-01, 1.7196e-01,
784 1.4442e-01, 1.2094e-01, 1.0102e-01, 8.4257e-02,
785 7.0253e-02, 5.8612e-02, 4.8966e-02, 4.0979e-02,
786 3.4357e-02, 2.8860e-02, 2.4286e-02, 2.0450e-02,
787 1.7224e-02},
788 {1.5096e-02, 1.8041e-02, 2.1566e-02, 2.5793e-02,
789 3.0886e-02, 3.7044e-02, 4.4515e-02, 5.3604e-02,
790 6.4668e-02, 7.8109e-02, 9.4364e-02, 1.1389e-01,
791 1.3716e-01, 1.6461e-01, 1.9663e-01, 2.3350e-01,
792 2.7527e-01, 3.2170e-01, 3.7214e-01, 4.2549e-01,
793 4.8024e-01, 5.3460e-01, 5.8677e-01, 6.3512e-01,
794 6.7838e-01, 7.1569e-01, 7.4655e-01, 7.7071e-01,
795 7.8810e-01, 7.9871e-01, 8.0255e-01, 7.9871e-01,
796 7.8810e-01, 7.7071e-01, 7.4655e-01, 7.1569e-01,
797 6.7838e-01, 6.3512e-01, 5.8677e-01, 5.3460e-01,
798 4.8024e-01, 4.2549e-01, 3.7214e-01, 3.2170e-01,
799 2.7527e-01, 2.3350e-01, 1.9663e-01, 1.6461e-01,
800 1.3716e-01, 1.1389e-01, 9.4364e-02, 7.8109e-02,
801 6.4668e-02, 5.3604e-02, 4.4515e-02, 3.7044e-02,
802 3.0886e-02, 2.5793e-02, 2.1566e-02, 1.8041e-02,
803 1.5096e-02}};
804
805 // More sampling precision with linear interpolation
6d50f529 806 fPRFlo = -1.5;
807 fPRFhi = 1.5;
6a739e92 808 Float_t pad[kPRFbin];
809 Int_t sPRFbin = kPRFbin;
6d50f529 810 Float_t sPRFwid = (fPRFhi - fPRFlo) / ((Float_t) sPRFbin);
6a739e92 811 for (Int_t iPad = 0; iPad < sPRFbin; iPad++) {
6d50f529 812 pad[iPad] = ((Float_t) iPad + 0.5) * sPRFwid + fPRFlo;
6a739e92 813 }
6d50f529 814 fPRFbin = 500;
815 fPRFwid = (fPRFhi - fPRFlo) / ((Float_t) fPRFbin);
816 fPRFpad = ((Int_t) (1.0 / fPRFwid));
6a739e92 817
6d50f529 818 if (fPRFsmp) delete [] fPRFsmp;
819 fPRFsmp = new Float_t[kNplan*fPRFbin];
6a739e92 820
821 Int_t ipos1;
822 Int_t ipos2;
823 Float_t diff;
824
825 for (Int_t iPla = 0; iPla < kNplan; iPla++) {
826
6d50f529 827 for (Int_t iBin = 0; iBin < fPRFbin; iBin++) {
6a739e92 828
6d50f529 829 Float_t bin = (((Float_t) iBin) + 0.5) * fPRFwid + fPRFlo;
6a739e92 830 ipos1 = ipos2 = 0;
831 diff = 0;
832 do {
833 diff = bin - pad[ipos2++];
834 } while ((diff > 0) && (ipos2 < kPRFbin));
835 if (ipos2 == kPRFbin) {
6d50f529 836 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
6a739e92 837 }
838 else if (ipos2 == 1) {
6d50f529 839 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
6a739e92 840 }
841 else {
842 ipos2--;
843 if (ipos2 >= kPRFbin) ipos2 = kPRFbin - 1;
844 ipos1 = ipos2 - 1;
6d50f529 845 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2]
6a739e92 846 + diff * (prf[iPla][ipos2] - prf[iPla][ipos1])
847 / sPRFwid;
848 }
849
850 }
851 }
852
853}
854
855//_____________________________________________________________________________
856Int_t AliTRDcalibDB::PadResponse(Double_t signal, Double_t dist
2745a409 857 , Int_t plane, Double_t *pad) const
6a739e92 858{
859 //
860 // Applies the pad response
861 //
862
6d50f529 863 Int_t iBin = ((Int_t) (( - dist - fPRFlo) / fPRFwid));
864 Int_t iOff = plane * fPRFbin;
6a739e92 865
6d50f529 866 Int_t iBin0 = iBin - fPRFpad + iOff;
6a739e92 867 Int_t iBin1 = iBin + iOff;
6d50f529 868 Int_t iBin2 = iBin + fPRFpad + iOff;
6a739e92 869
870 pad[0] = 0.0;
871 pad[1] = 0.0;
872 pad[2] = 0.0;
6d50f529 873 if ((iBin1 >= 0) && (iBin1 < (fPRFbin*kNplan))) {
6a739e92 874
875 if (iBin0 >= 0) {
6d50f529 876 pad[0] = signal * fPRFsmp[iBin0];
6a739e92 877 }
6d50f529 878 pad[1] = signal * fPRFsmp[iBin1];
879 if (iBin2 < (fPRFbin*kNplan)) {
880 pad[2] = signal * fPRFsmp[iBin2];
6a739e92 881 }
882
883 return 1;
884
885 }
886 else {
887
888 return 0;
889
890 }
ab0a4106 891
3551db50 892}