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Removing AliDebug calls to speed up the reconstruction
[u/mrichter/AliRoot.git] / TRD / AliTRDcalibDB.cxx
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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// //
22// Request an instance with AliTRDcalibDB::Instance() //
23// If a new event is processed set the event number with SetRun //
24// Then request the calibration data //
25// //
26// Author: //
27// Jan Fiete Grosse-Oetringhaus (Jan.Fiete.Grosse-Oetringhaus@cern.ch) //
28// //
29///////////////////////////////////////////////////////////////////////////////
30
31#include <TRandom.h>
32
33#include "AliCDBManager.h"
34#include "AliCDBStorage.h"
35#include "AliCDBEntry.h"
36#include "AliLog.h"
37
38#include "AliTRDcalibDB.h"
39#include "AliTRDgeometry.h"
40#include "AliTRDpadPlane.h"
41#include "AliTRDCommonParam.h"
42
43#include "Cal/AliTRDCalROC.h"
44#include "Cal/AliTRDCalPad.h"
45#include "Cal/AliTRDCalDet.h"
46#include "Cal/AliTRDCalGlobals.h"
47#include "Cal/AliTRDCalPIDLQ.h"
48#include "Cal/AliTRDCalMonitoring.h"
49#include "Cal/AliTRDCalSuperModuleStatus.h"
50#include "Cal/AliTRDCalChamberStatus.h"
51#include "Cal/AliTRDCalMCMStatus.h"
52#include "Cal/AliTRDCalPadStatus.h"
53#include "Cal/AliTRDCalSingleChamberStatus.h"
54
55ClassImp(AliTRDcalibDB)
56
57AliTRDcalibDB *AliTRDcalibDB::fgInstance = 0;
58Bool_t AliTRDcalibDB::fgTerminated = kFALSE;
59
60//_ singleton implementation __________________________________________________
61AliTRDcalibDB* AliTRDcalibDB::Instance()
62{
63 //
64 // Singleton implementation
65 // Returns an instance of this class, it is created if neccessary
66 //
67
68 if (fgTerminated != kFALSE) {
69 return 0;
70 }
71
72 if (fgInstance == 0) {
73 fgInstance = new AliTRDcalibDB();
74 }
75
76 return fgInstance;
77}
78
79//_____________________________________________________________________________
80void AliTRDcalibDB::Terminate()
81{
82 //
83 // Singleton implementation
84 // Deletes the instance of this class and sets the terminated flag, instances cannot be requested anymore
85 // This function can be called several times.
86 //
87
88 fgTerminated = kTRUE;
89
90 if (fgInstance != 0) {
91 delete fgInstance;
92 fgInstance = 0;
93 }
94
95}
96
97//_____________________________________________________________________________
98AliTRDcalibDB::AliTRDcalibDB()
99 :TObject()
100 ,fRun(-1)
101 ,fPRFsmp(0)
102 ,fPRFbin(0)
103 ,fPRFlo(0)
104 ,fPRFhi(0)
105 ,fPRFwid(0)
106 ,fPRFpad(0)
107{
108 //
109 // Default constructor
110 //
111 // TODO Default runnumber is set to 0, this should be changed later
112 // to an invalid value (e.g. -1) to prevent
113 // TODO invalid calibration data to be used.
114 //
115
116 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
117 fCDBCache[i] = 0;
118 fCDBEntries[i] = 0;
119 }
120
121 // Create the sampled PRF
122 SamplePRF();
123
124}
125
126//_____________________________________________________________________________
127AliTRDcalibDB::AliTRDcalibDB(const AliTRDcalibDB &c)
128 :TObject(c)
129 ,fRun(-1)
130 ,fPRFsmp(0)
131 ,fPRFbin(0)
132 ,fPRFlo(0)
133 ,fPRFhi(0)
134 ,fPRFwid(0)
135 ,fPRFpad(0)
136{
137 //
138 // Copy constructor (not that it make any sense for a singleton...)
139 //
140
141 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
142 fCDBCache[i] = 0;
143 fCDBEntries[i] = 0;
144 }
145
146 // Create the sampled PRF
147 SamplePRF();
148
149}
150
151//_____________________________________________________________________________
152AliTRDcalibDB &AliTRDcalibDB::operator=(const AliTRDcalibDB &c)
153{
154 //
155 // Assignment operator (same as above ...)
156 //
157
158 if (this != &c) {
159 AliFatal("No assignment operator defined");
160 }
161 return *this;
162
163}
164
165//_____________________________________________________________________________
166AliTRDcalibDB::~AliTRDcalibDB()
167{
168 //
169 // destructor
170 //
171
172 if (fPRFsmp) {
173 delete [] fPRFsmp;
174 fPRFsmp = 0;
175 }
176
177 Invalidate();
178
179}
180
181//_caching functions____________________________________________________________
182const TObject *AliTRDcalibDB::GetCachedCDBObject(Int_t id)
183{
184 //
185 // Retrieves a cdb object with the given id. The objects are cached as
186 // long as the run number is not changed.
187 //
188 // Put together the available objects here by using the lines
189 // a) For usual calibration objects:
190 // case kID<Name> :
191 // return CacheCDBEntry(kID<Name>,"TRD/Calib/<Path>");
192 // break;
193 // See function CacheCDBEntry for details.
194 // and
195 // b) For calibration data which depends on two objects: One containing
196 // a value per detector and one the local fluctuations per pad:
197 // case kID<Name> :
198 // return CacheMergeCDBEntry(kID<Name>,"TRD/Calib/<padPath>","TRD/Calib/<chamberPath>");
199 // break;
200 // See function CacheMergeCDBEntry for details.
201 //
202
203 switch (id) {
204
205 // Parameters defined per pad and chamber
206 case kIDVdriftPad :
207 return CacheCDBEntry(kIDVdriftPad ,"TRD/Calib/LocalVdrift");
208 break;
209 case kIDVdriftChamber :
210 return CacheCDBEntry(kIDVdriftChamber ,"TRD/Calib/ChamberVdrift");
211 break;
212 case kIDT0Pad :
213 return CacheCDBEntry(kIDT0Pad ,"TRD/Calib/LocalT0");
214 break;
215 case kIDT0Chamber :
216 return CacheCDBEntry(kIDT0Chamber ,"TRD/Calib/ChamberT0");
217 break;
218 case kIDGainFactorPad :
219 return CacheCDBEntry(kIDGainFactorPad ,"TRD/Calib/LocalGainFactor");
220 break;
221 case kIDGainFactorChamber :
222 return CacheCDBEntry(kIDGainFactorChamber ,"TRD/Calib/ChamberGainFactor");
223 break;
224
225 // Parameters defined per pad
226 case kIDPRFWidth :
227 return CacheCDBEntry(kIDPRFWidth ,"TRD/Calib/PRFWidth");
228 break;
229
230 // Status values
231 case kIDSuperModuleStatus :
232 return CacheCDBEntry(kIDSuperModuleStatus ,"TRD/Calib/SuperModuleStatus");
233 break;
234 case kIDChamberStatus :
235 return CacheCDBEntry(kIDChamberStatus ,"TRD/Calib/ChamberStatus");
236 break;
237 case kIDMCMStatus :
238 return CacheCDBEntry(kIDMCMStatus ,"TRD/Calib/MCMStatus");
239 break;
240 case kIDPadStatus :
241 return CacheCDBEntry(kIDPadStatus ,"TRD/Calib/PadStatus");
242 break;
243
244 // Global parameters
245 case kIDMonitoringData :
246 return CacheCDBEntry(kIDMonitoringData ,"TRD/Calib/MonitoringData");
247 break;
248 case kIDGlobals :
249 return CacheCDBEntry(kIDGlobals ,"TRD/Calib/Globals");
250 break;
251 case kIDPIDLQ :
252 return CacheCDBEntry(kIDPIDLQ ,"TRD/Calib/PIDLQ");
253 break;
254
255 }
256
257 return 0;
258
259}
260
261//_____________________________________________________________________________
262AliCDBEntry *AliTRDcalibDB::GetCDBEntry(const char *cdbPath)
263{
264 //
265 // Retrieves an entry with path <cdbPath> from the CDB.
266 //
267
268 AliCDBEntry *entry = AliCDBManager::Instance()->Get(cdbPath,fRun);
269 if (!entry) {
270 AliError(Form("Failed to get entry: %s",cdbPath));
271 return 0;
272 }
273
274 return entry;
275
276}
277
278//_____________________________________________________________________________
279const TObject *AliTRDcalibDB::CacheCDBEntry(Int_t id, const char *cdbPath)
280{
281 //
282 // Caches the entry <id> with cdb path <cdbPath>
283 //
284
285 if (!fCDBCache[id]) {
286 fCDBEntries[id] = GetCDBEntry(cdbPath);
287 if (fCDBEntries[id]) {
288 fCDBCache[id] = fCDBEntries[id]->GetObject();
289 }
290 }
291
292 return fCDBCache[id];
293
294}
295
296//_____________________________________________________________________________
297void AliTRDcalibDB::SetRun(Long64_t run)
298{
299 //
300 // Sets current run number. Calibration data is read from the corresponding file.
301 // When the run number changes the caching is invalidated.
302 //
303
304 if (fRun == run) {
305 return;
306 }
307
308 fRun = run;
309
310 Invalidate();
311
312}
313
314//_____________________________________________________________________________
315void AliTRDcalibDB::Invalidate()
316{
317 //
318 // Invalidates cache (when run number is changed).
319 //
320
321 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
322 if (fCDBEntries[i]) {
323 if (AliCDBManager::Instance()->GetCacheFlag() == kFALSE) {
324 if ((fCDBEntries[i]->IsOwner() == kFALSE) && fCDBCache[i]) {
325 delete fCDBCache[i];
326 }
327 delete fCDBEntries[i];
328 }
329 fCDBEntries[i] = 0;
330 fCDBCache[i] = 0;
331 }
332 }
333
334}
335
336//_____________________________________________________________________________
337Float_t AliTRDcalibDB::GetVdrift(Int_t det, Int_t col, Int_t row)
338{
339 //
340 // Returns the drift velocity for the given pad.
341 //
342
343 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
344 (GetCachedCDBObject(kIDVdriftPad));
345 if (!calPad) {
346 return -1;
347 }
348
349 AliTRDCalROC *roc = calPad->GetCalROC(det);
350 if (!roc) {
351 return -1;
352 }
353
354 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
355 (GetCachedCDBObject(kIDVdriftChamber));
356 if (!calChamber) {
357 return -1;
358 }
359
360 return calChamber->GetValue(det) * roc->GetValue(col,row);
361
362}
363
364//_____________________________________________________________________________
365Float_t AliTRDcalibDB::GetVdriftAverage(Int_t det)
366{
367 //
368 // Returns the average drift velocity for the given detector
369 //
370
371 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
372 (GetCachedCDBObject(kIDVdriftChamber));
373 if (!calDet) {
374 return -1;
375 }
376
377 return calDet->GetValue(det);
378
379}
380
381//_____________________________________________________________________________
382Float_t AliTRDcalibDB::GetT0(Int_t det, Int_t col, Int_t row)
383{
384 //
385 // Returns t0 for the given pad.
386 //
387
388 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
389 (GetCachedCDBObject(kIDT0Pad));
390 if (!calPad) {
391 return -1;
392 }
393
394 AliTRDCalROC *roc = calPad->GetCalROC(det);
395 if (!roc) {
396 return -1;
397 }
398
399 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
400 (GetCachedCDBObject(kIDT0Chamber));
401 if (!calChamber) {
402 return -1;
403 }
404
405 return calChamber->GetValue(det) * roc->GetValue(col,row);
406
407}
408
409//_____________________________________________________________________________
410Float_t AliTRDcalibDB::GetT0Average(Int_t det)
411{
412 //
413 // Returns the average t0 for the given detector
414 //
415
416 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
417 (GetCachedCDBObject(kIDT0Chamber));
418 if (!calDet) {
419 return -1;
420 }
421
422 return calDet->GetValue(det);
423
424}
425
426//_____________________________________________________________________________
427Float_t AliTRDcalibDB::GetGainFactor(Int_t det, Int_t col, Int_t row)
428{
429 //
430 // Returns the gain factor for the given pad.
431 //
432
433 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
434 (GetCachedCDBObject(kIDGainFactorPad));
435 if (!calPad) {
436 return -1;
437 }
438
439 AliTRDCalROC *roc = calPad->GetCalROC(det);
440 if (!roc)
441 return -1;
442
443 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
444 (GetCachedCDBObject(kIDGainFactorChamber));
445 if (!calChamber) {
446 return -1;
447 }
448
449 return calChamber->GetValue(det) * roc->GetValue(col,row);
450
451}
452
453//_____________________________________________________________________________
454Float_t AliTRDcalibDB::GetGainFactorAverage(Int_t det)
455{
456 //
457 // Returns the average gain factor for the given detector
458 //
459
460 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
461 (GetCachedCDBObject(kIDGainFactorChamber));
462 if (!calDet) {
463 return -1;
464 }
465
466 return calDet->GetValue(det);
467
468}
469
470//_____________________________________________________________________________
471Float_t AliTRDcalibDB::GetPRFWidth(Int_t det, Int_t col, Int_t row)
472{
473 //
474 // Returns the PRF width for the given pad.
475 //
476
477 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
478 (GetCachedCDBObject(kIDPRFWidth));
479 if (!calPad) {
480 return -1;
481 }
482
483 AliTRDCalROC *roc = calPad->GetCalROC(det);
484 if (!roc) {
485 return -1;
486 }
487
488 return roc->GetValue(col,row);
489
490}
491
492//_____________________________________________________________________________
493Float_t AliTRDcalibDB::GetSamplingFrequency()
494{
495 //
496 // Returns the sampling frequency of the TRD read-out.
497 //
498
499 const AliTRDCalGlobals *calGlobal = dynamic_cast<const AliTRDCalGlobals *>
500 (GetCachedCDBObject(kIDGlobals));
501 if (!calGlobal) {
502 return -1;
503 }
504
505 return calGlobal->GetSamplingFrequency();
506
507}
508
509//_____________________________________________________________________________
510Int_t AliTRDcalibDB::GetNumberOfTimeBins()
511{
512 //
513 // Returns the number of time bins which are read-out.
514 //
515
516 const AliTRDCalGlobals *calGlobal = dynamic_cast<const AliTRDCalGlobals *>
517 (GetCachedCDBObject(kIDGlobals));
518 if (!calGlobal) {
519 return -1;
520 }
521
522 return calGlobal->GetNumberOfTimeBins();
523
524}
525
526//_____________________________________________________________________________
527Char_t AliTRDcalibDB::GetPadStatus(Int_t det, Int_t col, Int_t row)
528{
529 //
530 // Returns the status of the given pad
531 //
532
533 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
534 (GetCachedCDBObject(kIDPadStatus));
535 if (!cal) {
536 return -1;
537 }
538
539 const AliTRDCalSingleChamberStatus *roc = cal->GetCalROC(det);
540 if (!roc) {
541 return -1;
542 }
543
544 return roc->GetStatus(col,row);
545
546}
547
548//_____________________________________________________________________________
549Char_t AliTRDcalibDB::GetMCMStatus(Int_t det, Int_t col, Int_t row)
550{
551 //
552 // Returns the status of the given MCM
553 //
554
555 // To translate pad column number into MCM number
556 Int_t mcm = ((Int_t) col / 18);
557
558 const AliTRDCalMCMStatus *cal = dynamic_cast<const AliTRDCalMCMStatus *>
559 (GetCachedCDBObject(kIDMCMStatus));
560 if (!cal) {
561 return -1;
562 }
563
564 const AliTRDCalSingleChamberStatus *roc = cal->GetCalROC(det);
565 if (!roc) {
566 return -1;
567 }
568
569 return roc->GetStatus(mcm,row);
570
571}
572
573//_____________________________________________________________________________
574Char_t AliTRDcalibDB::GetChamberStatus(Int_t det)
575{
576 //
577 // Returns the status of the given chamber
578 //
579
580 const AliTRDCalChamberStatus *cal = dynamic_cast<const AliTRDCalChamberStatus *>
581 (GetCachedCDBObject(kIDChamberStatus));
582 if (!cal) {
583 return -1;
584 }
585
586 return cal->GetStatus(det);
587
588}
589
590//_____________________________________________________________________________
591Char_t AliTRDcalibDB::GetSuperModuleStatus(Int_t sm)
592{
593 //
594 // Returns the status of the given chamber
595 //
596
597 const AliTRDCalSuperModuleStatus *cal = dynamic_cast<const AliTRDCalSuperModuleStatus *>
598 (GetCachedCDBObject(kIDSuperModuleStatus));
599 if (!cal) {
600 return -1;
601 }
602
603 return cal->GetStatus(sm);
604
605}
606
607//_____________________________________________________________________________
608Bool_t AliTRDcalibDB::IsPadMasked(Int_t det, Int_t col, Int_t row)
609{
610 //
611 // Returns status, see name of functions for details ;-)
612 //
613
614 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
615 (GetCachedCDBObject(kIDPadStatus));
616 if (!cal) {
617 return -1;
618 }
619
620 return cal->IsMasked(det,col,row);
621
622}
623
624//_____________________________________________________________________________
625Bool_t AliTRDcalibDB::IsPadBridgedLeft(Int_t det, Int_t col, Int_t row)
626{
627 //
628 // Returns status, see name of functions for details ;-)
629 //
630
631 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
632 (GetCachedCDBObject(kIDPadStatus));
633 if (!cal) {
634 return -1;
635 }
636
637 return cal->IsBridgedLeft(det,col,row);
638
639}
640
641//_____________________________________________________________________________
642Bool_t AliTRDcalibDB::IsPadBridgedRight(Int_t det, Int_t col, Int_t row)
643{
644 //
645 // Returns status, see name of functions for details ;-)
646 //
647
648 const AliTRDCalPadStatus * cal = dynamic_cast<const AliTRDCalPadStatus *>
649 (GetCachedCDBObject(kIDPadStatus));
650 if (!cal) {
651 return -1;
652 }
653
654 return cal->IsBridgedRight(det,col,row);
655
656}
657
658//_____________________________________________________________________________
659Bool_t AliTRDcalibDB::IsMCMMasked(Int_t det, Int_t col, Int_t row)
660{
661 //
662 // Returns status, see name of functions for details ;-)
663 //
664
665 const AliTRDCalMCMStatus * cal = dynamic_cast<const AliTRDCalMCMStatus *>
666 (GetCachedCDBObject(kIDMCMStatus));
667 if (!cal) {
668 return -1;
669 }
670
671 return cal->IsMasked(det,col,row);
672
673}
674
675//_____________________________________________________________________________
676Bool_t AliTRDcalibDB::IsChamberInstalled(Int_t det)
677{
678 //
679 // Returns status, see name of functions for details ;-)
680 //
681
682 const AliTRDCalChamberStatus * cal = dynamic_cast<const AliTRDCalChamberStatus *>
683 (GetCachedCDBObject(kIDChamberStatus));
684 if (!cal) {
685 return -1;
686 }
687
688 return cal->IsInstalled(det);
689
690}
691
692//_____________________________________________________________________________
693Bool_t AliTRDcalibDB::IsChamberMasked(Int_t det)
694{
695 //
696 // Returns status, see name of functions for details ;-)
697 //
698
699 const AliTRDCalChamberStatus * cal = dynamic_cast<const AliTRDCalChamberStatus *>
700 (GetCachedCDBObject(kIDChamberStatus));
701 if (!cal) {
702 return -1;
703 }
704
705 return cal->IsMasked(det);
706
707}
708
709//_____________________________________________________________________________
710Bool_t AliTRDcalibDB::IsSuperModuleInstalled(Int_t det)
711{
712 //
713 // Returns status, see name of functions for details ;-)
714 //
715
716 const AliTRDCalSuperModuleStatus * cal = dynamic_cast<const AliTRDCalSuperModuleStatus *>
717 (GetCachedCDBObject(kIDSuperModuleStatus));
718 if (!cal) {
719 return -1;
720 }
721
722 return cal->IsInstalled(det);
723
724}
725
726//_____________________________________________________________________________
727Bool_t AliTRDcalibDB::IsSuperModuleMasked(Int_t det)
728{
729 //
730 // Returns status, see name of functions for details ;-)
731 //
732
733 const AliTRDCalSuperModuleStatus * cal = dynamic_cast<const AliTRDCalSuperModuleStatus *>
734 (GetCachedCDBObject(kIDSuperModuleStatus));
735 if (!cal) {
736 return -1;
737 }
738
739 return cal->IsMasked(det);
740
741}
742
743//_____________________________________________________________________________
744const AliTRDCalPIDLQ* AliTRDcalibDB::GetPIDLQObject()
745{
746 //
747 // Returns the object storing the distributions for PID with likelihood
748 //
749
750 return dynamic_cast<const AliTRDCalPIDLQ *> (GetCachedCDBObject(kIDPIDLQ));
751
752}
753
754//_____________________________________________________________________________
755const AliTRDCalMonitoring* AliTRDcalibDB::GetMonitoringObject()
756{
757 //
758 // Returns the object storing the monitoring data
759 //
760
761 return dynamic_cast<const AliTRDCalMonitoring *> (GetCachedCDBObject(kIDMonitoringData));
762
763}
764
765//_____________________________________________________________________________
766Float_t AliTRDcalibDB::GetOmegaTau(Float_t vdrift)
767{
768 //
769 // Returns omega*tau (tan(Lorentz-angle)) for a given drift velocity <vd>
770 // and a B-field <b> for Xe/CO2 (15%).
771 // The values are according to a GARFIELD simulation.
772 //
773 // This function basically does not belong to the calibration class. It should be moved somewhere else.
774 // However, currently it is in use by simulation and reconstruction.
775 //
776
777 AliTRDCommonParam *commonParam = AliTRDCommonParam::Instance();
778 if (!commonParam) {
779 return -1;
780 }
781
782 Float_t fieldAbs = TMath::Abs(commonParam->GetField());
783 Float_t fieldSgn = 1.0;
784 if (fieldAbs > 0.0) {
785 fieldSgn = commonParam->GetField() / fieldAbs;
786 }
787
788 const Int_t kNb = 5;
789 Float_t p0[kNb] = { 0.004810, 0.007412, 0.010252, 0.013409, 0.016888 };
790 Float_t p1[kNb] = { 0.054875, 0.081534, 0.107333, 0.131983, 0.155455 };
791 Float_t p2[kNb] = { -0.008682, -0.012896, -0.016987, -0.020880, -0.024623 };
792 Float_t p3[kNb] = { 0.000155, 0.000238, 0.000330, 0.000428, 0.000541 };
793
794 Int_t ib = ((Int_t) (10 * (fieldAbs - 0.15)));
795 ib = TMath::Max( 0,ib);
796 ib = TMath::Min(kNb,ib);
797
798 Float_t alphaL = p0[ib]
799 + p1[ib] * vdrift
800 + p2[ib] * vdrift*vdrift
801 + p3[ib] * vdrift*vdrift*vdrift;
802
803 return TMath::Tan(fieldSgn * alphaL);
804
805}
806
807//_____________________________________________________________________________
808void AliTRDcalibDB::SamplePRF()
809{
810 //
811 // Samples the pad response function (should maybe go somewhere else ...)
812 //
813
814 const Int_t kPRFbin = 61;
815
816 Float_t prf[kNplan][kPRFbin] = {
817 {2.9037e-02, 3.3608e-02, 3.9020e-02, 4.5292e-02,
818 5.2694e-02, 6.1362e-02, 7.1461e-02, 8.3362e-02,
819 9.7063e-02, 1.1307e-01, 1.3140e-01, 1.5235e-01,
820 1.7623e-01, 2.0290e-01, 2.3294e-01, 2.6586e-01,
821 3.0177e-01, 3.4028e-01, 3.8077e-01, 4.2267e-01,
822 4.6493e-01, 5.0657e-01, 5.4655e-01, 5.8397e-01,
823 6.1767e-01, 6.4744e-01, 6.7212e-01, 6.9188e-01,
824 7.0627e-01, 7.1499e-01, 7.1851e-01, 7.1499e-01,
825 7.0627e-01, 6.9188e-01, 6.7212e-01, 6.4744e-01,
826 6.1767e-01, 5.8397e-01, 5.4655e-01, 5.0657e-01,
827 4.6493e-01, 4.2267e-01, 3.8077e-01, 3.4028e-01,
828 3.0177e-01, 2.6586e-01, 2.3294e-01, 2.0290e-01,
829 1.7623e-01, 1.5235e-01, 1.3140e-01, 1.1307e-01,
830 9.7063e-02, 8.3362e-02, 7.1461e-02, 6.1362e-02,
831 5.2694e-02, 4.5292e-02, 3.9020e-02, 3.3608e-02,
832 2.9037e-02},
833 {2.5478e-02, 2.9695e-02, 3.4655e-02, 4.0454e-02,
834 4.7342e-02, 5.5487e-02, 6.5038e-02, 7.6378e-02,
835 8.9696e-02, 1.0516e-01, 1.2327e-01, 1.4415e-01,
836 1.6794e-01, 1.9516e-01, 2.2573e-01, 2.5959e-01,
837 2.9694e-01, 3.3719e-01, 3.7978e-01, 4.2407e-01,
838 4.6889e-01, 5.1322e-01, 5.5569e-01, 5.9535e-01,
839 6.3141e-01, 6.6259e-01, 6.8882e-01, 7.0983e-01,
840 7.2471e-01, 7.3398e-01, 7.3761e-01, 7.3398e-01,
841 7.2471e-01, 7.0983e-01, 6.8882e-01, 6.6259e-01,
842 6.3141e-01, 5.9535e-01, 5.5569e-01, 5.1322e-01,
843 4.6889e-01, 4.2407e-01, 3.7978e-01, 3.3719e-01,
844 2.9694e-01, 2.5959e-01, 2.2573e-01, 1.9516e-01,
845 1.6794e-01, 1.4415e-01, 1.2327e-01, 1.0516e-01,
846 8.9696e-02, 7.6378e-02, 6.5038e-02, 5.5487e-02,
847 4.7342e-02, 4.0454e-02, 3.4655e-02, 2.9695e-02,
848 2.5478e-02},
849 {2.2363e-02, 2.6233e-02, 3.0782e-02, 3.6140e-02,
850 4.2535e-02, 5.0157e-02, 5.9197e-02, 6.9900e-02,
851 8.2707e-02, 9.7811e-02, 1.1548e-01, 1.3601e-01,
852 1.5998e-01, 1.8739e-01, 2.1840e-01, 2.5318e-01,
853 2.9182e-01, 3.3373e-01, 3.7837e-01, 4.2498e-01,
854 4.7235e-01, 5.1918e-01, 5.6426e-01, 6.0621e-01,
855 6.4399e-01, 6.7700e-01, 7.0472e-01, 7.2637e-01,
856 7.4206e-01, 7.5179e-01, 7.5551e-01, 7.5179e-01,
857 7.4206e-01, 7.2637e-01, 7.0472e-01, 6.7700e-01,
858 6.4399e-01, 6.0621e-01, 5.6426e-01, 5.1918e-01,
859 4.7235e-01, 4.2498e-01, 3.7837e-01, 3.3373e-01,
860 2.9182e-01, 2.5318e-01, 2.1840e-01, 1.8739e-01,
861 1.5998e-01, 1.3601e-01, 1.1548e-01, 9.7811e-02,
862 8.2707e-02, 6.9900e-02, 5.9197e-02, 5.0157e-02,
863 4.2535e-02, 3.6140e-02, 3.0782e-02, 2.6233e-02,
864 2.2363e-02},
865 {1.9635e-02, 2.3167e-02, 2.7343e-02, 3.2293e-02,
866 3.8224e-02, 4.5335e-02, 5.3849e-02, 6.4039e-02,
867 7.6210e-02, 9.0739e-02, 1.0805e-01, 1.2841e-01,
868 1.5216e-01, 1.7960e-01, 2.1099e-01, 2.4671e-01,
869 2.8647e-01, 3.2996e-01, 3.7660e-01, 4.2547e-01,
870 4.7536e-01, 5.2473e-01, 5.7215e-01, 6.1632e-01,
871 6.5616e-01, 6.9075e-01, 7.1939e-01, 7.4199e-01,
872 7.5838e-01, 7.6848e-01, 7.7227e-01, 7.6848e-01,
873 7.5838e-01, 7.4199e-01, 7.1939e-01, 6.9075e-01,
874 6.5616e-01, 6.1632e-01, 5.7215e-01, 5.2473e-01,
875 4.7536e-01, 4.2547e-01, 3.7660e-01, 3.2996e-01,
876 2.8647e-01, 2.4671e-01, 2.1099e-01, 1.7960e-01,
877 1.5216e-01, 1.2841e-01, 1.0805e-01, 9.0739e-02,
878 7.6210e-02, 6.4039e-02, 5.3849e-02, 4.5335e-02,
879 3.8224e-02, 3.2293e-02, 2.7343e-02, 2.3167e-02,
880 1.9635e-02},
881 {1.7224e-02, 2.0450e-02, 2.4286e-02, 2.8860e-02,
882 3.4357e-02, 4.0979e-02, 4.8966e-02, 5.8612e-02,
883 7.0253e-02, 8.4257e-02, 1.0102e-01, 1.2094e-01,
884 1.4442e-01, 1.7196e-01, 2.0381e-01, 2.4013e-01,
885 2.8093e-01, 3.2594e-01, 3.7450e-01, 4.2563e-01,
886 4.7796e-01, 5.2991e-01, 5.7974e-01, 6.2599e-01,
887 6.6750e-01, 7.0344e-01, 7.3329e-01, 7.5676e-01,
888 7.7371e-01, 7.8410e-01, 7.8793e-01, 7.8410e-01,
889 7.7371e-01, 7.5676e-01, 7.3329e-01, 7.0344e-01,
890 6.6750e-01, 6.2599e-01, 5.7974e-01, 5.2991e-01,
891 4.7796e-01, 4.2563e-01, 3.7450e-01, 3.2594e-01,
892 2.8093e-01, 2.4013e-01, 2.0381e-01, 1.7196e-01,
893 1.4442e-01, 1.2094e-01, 1.0102e-01, 8.4257e-02,
894 7.0253e-02, 5.8612e-02, 4.8966e-02, 4.0979e-02,
895 3.4357e-02, 2.8860e-02, 2.4286e-02, 2.0450e-02,
896 1.7224e-02},
897 {1.5096e-02, 1.8041e-02, 2.1566e-02, 2.5793e-02,
898 3.0886e-02, 3.7044e-02, 4.4515e-02, 5.3604e-02,
899 6.4668e-02, 7.8109e-02, 9.4364e-02, 1.1389e-01,
900 1.3716e-01, 1.6461e-01, 1.9663e-01, 2.3350e-01,
901 2.7527e-01, 3.2170e-01, 3.7214e-01, 4.2549e-01,
902 4.8024e-01, 5.3460e-01, 5.8677e-01, 6.3512e-01,
903 6.7838e-01, 7.1569e-01, 7.4655e-01, 7.7071e-01,
904 7.8810e-01, 7.9871e-01, 8.0255e-01, 7.9871e-01,
905 7.8810e-01, 7.7071e-01, 7.4655e-01, 7.1569e-01,
906 6.7838e-01, 6.3512e-01, 5.8677e-01, 5.3460e-01,
907 4.8024e-01, 4.2549e-01, 3.7214e-01, 3.2170e-01,
908 2.7527e-01, 2.3350e-01, 1.9663e-01, 1.6461e-01,
909 1.3716e-01, 1.1389e-01, 9.4364e-02, 7.8109e-02,
910 6.4668e-02, 5.3604e-02, 4.4515e-02, 3.7044e-02,
911 3.0886e-02, 2.5793e-02, 2.1566e-02, 1.8041e-02,
912 1.5096e-02}};
913
914 // More sampling precision with linear interpolation
915 fPRFlo = -1.5;
916 fPRFhi = 1.5;
917 Float_t pad[kPRFbin];
918 Int_t sPRFbin = kPRFbin;
919 Float_t sPRFwid = (fPRFhi - fPRFlo) / ((Float_t) sPRFbin);
920 for (Int_t iPad = 0; iPad < sPRFbin; iPad++) {
921 pad[iPad] = ((Float_t) iPad + 0.5) * sPRFwid + fPRFlo;
922 }
923 fPRFbin = 500;
924 fPRFwid = (fPRFhi - fPRFlo) / ((Float_t) fPRFbin);
925 fPRFpad = ((Int_t) (1.0 / fPRFwid));
926
927 if (fPRFsmp) delete [] fPRFsmp;
928 fPRFsmp = new Float_t[kNplan*fPRFbin];
929
930 Int_t ipos1;
931 Int_t ipos2;
932 Float_t diff;
933
934 for (Int_t iPla = 0; iPla < kNplan; iPla++) {
935
936 for (Int_t iBin = 0; iBin < fPRFbin; iBin++) {
937
938 Float_t bin = (((Float_t) iBin) + 0.5) * fPRFwid + fPRFlo;
939 ipos1 = ipos2 = 0;
940 diff = 0;
941 do {
942 diff = bin - pad[ipos2++];
943 } while ((diff > 0) && (ipos2 < kPRFbin));
944 if (ipos2 == kPRFbin) {
945 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
946 }
947 else if (ipos2 == 1) {
948 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
949 }
950 else {
951 ipos2--;
952 if (ipos2 >= kPRFbin) ipos2 = kPRFbin - 1;
953 ipos1 = ipos2 - 1;
954 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2]
955 + diff * (prf[iPla][ipos2] - prf[iPla][ipos1])
956 / sPRFwid;
957 }
958
959 }
960 }
961
962}
963
964//_____________________________________________________________________________
965Int_t AliTRDcalibDB::PadResponse(Double_t signal, Double_t dist
966 , Int_t plane, Double_t *pad) const
967{
968 //
969 // Applies the pad response
970 //
971
972 Int_t iBin = ((Int_t) (( - dist - fPRFlo) / fPRFwid));
973 Int_t iOff = plane * fPRFbin;
974
975 Int_t iBin0 = iBin - fPRFpad + iOff;
976 Int_t iBin1 = iBin + iOff;
977 Int_t iBin2 = iBin + fPRFpad + iOff;
978
979 pad[0] = 0.0;
980 pad[1] = 0.0;
981 pad[2] = 0.0;
982 if ((iBin1 >= 0) && (iBin1 < (fPRFbin*kNplan))) {
983
984 if (iBin0 >= 0) {
985 pad[0] = signal * fPRFsmp[iBin0];
986 }
987 pad[1] = signal * fPRFsmp[iBin1];
988 if (iBin2 < (fPRFbin*kNplan)) {
989 pad[2] = signal * fPRFsmp[iBin2];
990 }
991
992 return 1;
993
994 }
995 else {
996
997 return 0;
998
999 }
1000
1001}
1002