1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 // Class providing the calibration parameters by accessing the CDB //
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 //
27 // Jan Fiete Grosse-Oetringhaus (Jan.Fiete.Grosse-Oetringhaus@cern.ch) //
29 ///////////////////////////////////////////////////////////////////////////////
33 #include "AliCDBManager.h"
34 #include "AliCDBStorage.h"
35 #include "AliCDBEntry.h"
38 #include "AliTRDcalibDB.h"
39 #include "AliTRDgeometry.h"
40 #include "AliTRDpadPlane.h"
41 #include "AliTRDCommonParam.h"
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"
55 ClassImp(AliTRDcalibDB)
57 AliTRDcalibDB *AliTRDcalibDB::fgInstance = 0;
58 Bool_t AliTRDcalibDB::fgTerminated = kFALSE;
60 //_ singleton implementation __________________________________________________
61 AliTRDcalibDB* AliTRDcalibDB::Instance()
64 // Singleton implementation
65 // Returns an instance of this class, it is created if neccessary
68 if (fgTerminated != kFALSE) {
72 if (fgInstance == 0) {
73 fgInstance = new AliTRDcalibDB();
79 //_____________________________________________________________________________
80 void AliTRDcalibDB::Terminate()
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.
90 if (fgInstance != 0) {
97 //_____________________________________________________________________________
98 AliTRDcalibDB::AliTRDcalibDB()
109 // Default constructor
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.
116 for (Int_t i=0; i<kCDBCacheSize; ++i) {
121 // Create the sampled PRF
126 //_____________________________________________________________________________
127 AliTRDcalibDB::AliTRDcalibDB(const AliTRDcalibDB &c)
138 // Copy constructor (not that it make any sense for a singleton...)
141 for (Int_t i=0; i<kCDBCacheSize; ++i) {
146 // Create the sampled PRF
151 //_____________________________________________________________________________
152 AliTRDcalibDB &AliTRDcalibDB::operator=(const AliTRDcalibDB &c)
155 // Assignment operator (same as above ...)
159 AliFatal("No assignment operator defined");
165 //_____________________________________________________________________________
166 AliTRDcalibDB::~AliTRDcalibDB()
181 //_caching functions____________________________________________________________
182 const TObject* AliTRDcalibDB::GetCachedCDBObject(Int_t id)
185 // Retrieves a cdb object with the given id. The objects are cached as
186 // long as the run number is not changed.
188 // Put together the available objects here by using the lines
189 // a) For usual calibration objects:
191 // return CacheCDBEntry(kID<Name>,"TRD/Calib/<Path>");
193 // See function CacheCDBEntry for details.
195 // b) For calibration data which depends on two objects: One containing
196 // a value per detector and one the local fluctuations per pad:
198 // return CacheMergeCDBEntry(kID<Name>,"TRD/Calib/<padPath>","TRD/Calib/<chamberPath>");
200 // See function CacheMergeCDBEntry for details.
205 // Parameters defined per pad and chamber
207 return CacheCDBEntry(kIDVdriftPad ,"TRD/Calib/LocalVdrift");
209 case kIDVdriftChamber :
210 return CacheCDBEntry(kIDVdriftChamber ,"TRD/Calib/ChamberVdrift");
213 return CacheCDBEntry(kIDT0Pad ,"TRD/Calib/LocalT0");
216 return CacheCDBEntry(kIDT0Chamber ,"TRD/Calib/ChamberT0");
218 case kIDGainFactorPad :
219 return CacheCDBEntry(kIDGainFactorPad ,"TRD/Calib/LocalGainFactor");
221 case kIDGainFactorChamber :
222 return CacheCDBEntry(kIDGainFactorChamber ,"TRD/Calib/ChamberGainFactor");
225 // Parameters defined per pad
227 return CacheCDBEntry(kIDPRFWidth ,"TRD/Calib/PRFWidth");
231 case kIDSuperModuleStatus :
232 return CacheCDBEntry(kIDSuperModuleStatus ,"TRD/Calib/SuperModuleStatus");
234 case kIDChamberStatus :
235 return CacheCDBEntry(kIDChamberStatus ,"TRD/Calib/ChamberStatus");
238 return CacheCDBEntry(kIDMCMStatus ,"TRD/Calib/MCMStatus");
241 return CacheCDBEntry(kIDPadStatus ,"TRD/Calib/PadStatus");
245 case kIDMonitoringData :
246 return CacheCDBEntry(kIDMonitoringData ,"TRD/Calib/MonitoringData");
249 return CacheCDBEntry(kIDGlobals ,"TRD/Calib/Globals");
252 return CacheCDBEntry(kIDPIDLQ ,"TRD/Calib/PIDLQ");
261 //_____________________________________________________________________________
262 AliCDBEntry* AliTRDcalibDB::GetCDBEntry(const char* cdbPath)
265 // Retrieves an entry with path <cdbPath> from the CDB.
268 AliCDBEntry* entry = AliCDBManager::Instance()->Get(cdbPath, fRun);
270 AliError(Form("Failed to get entry: %s",cdbPath));
274 AliInfo(Form("AliTRDcalibDB: Retrieved object: %s",cdbPath));
280 //_____________________________________________________________________________
281 const TObject* AliTRDcalibDB::CacheCDBEntry(Int_t id, const char* cdbPath)
284 // Caches the entry <id> with cdb path <cdbPath>
287 if (!fCDBCache[id]) {
288 fCDBEntries[id] = GetCDBEntry(cdbPath);
290 fCDBCache[id] = fCDBEntries[id]->GetObject();
292 return fCDBCache[id];
296 //_____________________________________________________________________________
297 void AliTRDcalibDB::SetRun(Long64_t run)
300 // Sets current run number. Calibration data is read from the corresponding file.
301 // When the run number changes the caching is invalidated.
313 //_____________________________________________________________________________
314 void AliTRDcalibDB::Invalidate()
317 // Invalidates cache (when run number is changed).
320 for (Int_t i=0; i<kCDBCacheSize; ++i) {
321 if (fCDBEntries[i]) {
322 if (AliCDBManager::Instance()->GetCacheFlag() == kFALSE) {
323 if (fCDBEntries[i]->IsOwner() == kFALSE && fCDBCache[i]) {
326 delete fCDBEntries[i];
335 //_____________________________________________________________________________
336 Float_t AliTRDcalibDB::GetVdrift(Int_t det, Int_t col, Int_t row)
339 // Returns the drift velocity for the given pad.
342 const AliTRDCalPad* calPad = dynamic_cast<const AliTRDCalPad*>
343 (GetCachedCDBObject(kIDVdriftPad));
348 AliTRDCalROC* roc = calPad->GetCalROC(det);
353 const AliTRDCalDet* calChamber = dynamic_cast<const AliTRDCalDet*>
354 (GetCachedCDBObject(kIDVdriftChamber));
359 return calChamber->GetValue(det) * roc->GetValue(col, row);
363 //_____________________________________________________________________________
364 Float_t AliTRDcalibDB::GetVdriftAverage(Int_t det)
367 // Returns the average drift velocity for the given detector
370 const AliTRDCalDet* calDet = dynamic_cast<const AliTRDCalDet*>
371 (GetCachedCDBObject(kIDVdriftChamber));
376 return calDet->GetValue(det);
380 //_____________________________________________________________________________
381 Float_t AliTRDcalibDB::GetT0(Int_t det, Int_t col, Int_t row)
384 // Returns t0 for the given pad.
387 const AliTRDCalPad* calPad = dynamic_cast<const AliTRDCalPad*>
388 (GetCachedCDBObject(kIDT0Pad));
393 AliTRDCalROC* roc = calPad->GetCalROC(det);
398 const AliTRDCalDet* calChamber = dynamic_cast<const AliTRDCalDet*>
399 (GetCachedCDBObject(kIDT0Chamber));
404 return calChamber->GetValue(det) * roc->GetValue(col, row);
408 //_____________________________________________________________________________
409 Float_t AliTRDcalibDB::GetT0Average(Int_t det)
412 // Returns the average t0 for the given detector
415 const AliTRDCalDet* calDet = dynamic_cast<const AliTRDCalDet*>
416 (GetCachedCDBObject(kIDT0Chamber));
421 return calDet->GetValue(det);
425 //_____________________________________________________________________________
426 Float_t AliTRDcalibDB::GetGainFactor(Int_t det, Int_t col, Int_t row)
429 // Returns the gain factor for the given pad.
432 const AliTRDCalPad* calPad = dynamic_cast<const AliTRDCalPad*>
433 (GetCachedCDBObject(kIDGainFactorPad));
438 AliTRDCalROC* roc = calPad->GetCalROC(det);
442 const AliTRDCalDet* calChamber = dynamic_cast<const AliTRDCalDet*>
443 (GetCachedCDBObject(kIDGainFactorChamber));
448 return calChamber->GetValue(det) * roc->GetValue(col, row);
452 //_____________________________________________________________________________
453 Float_t AliTRDcalibDB::GetGainFactorAverage(Int_t det)
456 // Returns the average gain factor for the given detector
459 const AliTRDCalDet* calDet = dynamic_cast<const AliTRDCalDet*>
460 (GetCachedCDBObject(kIDGainFactorChamber));
465 return calDet->GetValue(det);
469 //_____________________________________________________________________________
470 Float_t AliTRDcalibDB::GetPRFWidth(Int_t det, Int_t col, Int_t row)
473 // Returns the PRF width for the given pad.
476 const AliTRDCalPad* calPad = dynamic_cast<const AliTRDCalPad*>
477 (GetCachedCDBObject(kIDPRFWidth));
482 AliTRDCalROC* roc = calPad->GetCalROC(det);
487 return roc->GetValue(col, row);
491 //_____________________________________________________________________________
492 Float_t AliTRDcalibDB::GetSamplingFrequency()
495 // Returns the sampling frequency of the TRD read-out.
498 const AliTRDCalGlobals* calGlobal = dynamic_cast<const AliTRDCalGlobals*>
499 (GetCachedCDBObject(kIDGlobals));
504 return calGlobal->GetSamplingFrequency();
508 //_____________________________________________________________________________
509 Int_t AliTRDcalibDB::GetNumberOfTimeBins()
512 // Returns the number of time bins which are read-out.
515 const AliTRDCalGlobals* calGlobal = dynamic_cast<const AliTRDCalGlobals*>
516 (GetCachedCDBObject(kIDGlobals));
521 return calGlobal->GetNumberOfTimeBins();
525 //_____________________________________________________________________________
526 Char_t AliTRDcalibDB::GetPadStatus(Int_t det, Int_t col, Int_t row)
529 // Returns the status of the given pad
532 const AliTRDCalPadStatus* cal = dynamic_cast<const AliTRDCalPadStatus*>
533 (GetCachedCDBObject(kIDPadStatus));
538 const AliTRDCalSingleChamberStatus* roc = cal->GetCalROC(det);
543 return roc->GetStatus(col, row);
547 //_____________________________________________________________________________
548 Char_t AliTRDcalibDB::GetMCMStatus(Int_t det, Int_t col, Int_t row)
551 // Returns the status of the given MCM
554 // To translate pad column number into MCM number
555 Int_t mcm = ((Int_t) col / 18);
557 const AliTRDCalMCMStatus* cal = dynamic_cast<const AliTRDCalMCMStatus*>
558 (GetCachedCDBObject(kIDMCMStatus));
563 const AliTRDCalSingleChamberStatus* roc = cal->GetCalROC(det);
568 return roc->GetStatus(mcm, row);
572 //_____________________________________________________________________________
573 Char_t AliTRDcalibDB::GetChamberStatus(Int_t det)
576 // Returns the status of the given chamber
579 const AliTRDCalChamberStatus* cal = dynamic_cast<const AliTRDCalChamberStatus*>
580 (GetCachedCDBObject(kIDChamberStatus));
585 return cal->GetStatus(det);
589 //_____________________________________________________________________________
590 Char_t AliTRDcalibDB::GetSuperModuleStatus(Int_t sm)
593 // Returns the status of the given chamber
596 const AliTRDCalSuperModuleStatus* cal = dynamic_cast<const AliTRDCalSuperModuleStatus*>
597 (GetCachedCDBObject(kIDSuperModuleStatus));
602 return cal->GetStatus(sm);
606 //_____________________________________________________________________________
607 Bool_t AliTRDcalibDB::IsPadMasked(Int_t det, Int_t col, Int_t row)
610 // Returns status, see name of functions for details ;-)
613 const AliTRDCalPadStatus* cal = dynamic_cast<const AliTRDCalPadStatus*>
614 (GetCachedCDBObject(kIDPadStatus));
619 return cal->IsMasked(det, col, row);
623 //_____________________________________________________________________________
624 Bool_t AliTRDcalibDB::IsPadBridgedLeft(Int_t det, Int_t col, Int_t row)
627 // Returns status, see name of functions for details ;-)
630 const AliTRDCalPadStatus* cal = dynamic_cast<const AliTRDCalPadStatus*>
631 (GetCachedCDBObject(kIDPadStatus));
636 return cal->IsBridgedLeft(det, col, row);
640 //_____________________________________________________________________________
641 Bool_t AliTRDcalibDB::IsPadBridgedRight(Int_t det, Int_t col, Int_t row)
644 // Returns status, see name of functions for details ;-)
647 const AliTRDCalPadStatus* cal = dynamic_cast<const AliTRDCalPadStatus*>
648 (GetCachedCDBObject(kIDPadStatus));
653 return cal->IsBridgedRight(det, col, row);
657 //_____________________________________________________________________________
658 Bool_t AliTRDcalibDB::IsMCMMasked(Int_t det, Int_t col, Int_t row)
661 // Returns status, see name of functions for details ;-)
664 const AliTRDCalMCMStatus* cal = dynamic_cast<const AliTRDCalMCMStatus*>
665 (GetCachedCDBObject(kIDMCMStatus));
670 return cal->IsMasked(det, col, row);
674 //_____________________________________________________________________________
675 Bool_t AliTRDcalibDB::IsChamberInstalled(Int_t det)
678 // Returns status, see name of functions for details ;-)
681 const AliTRDCalChamberStatus* cal = dynamic_cast<const AliTRDCalChamberStatus*>
682 (GetCachedCDBObject(kIDChamberStatus));
687 return cal->IsInstalled(det);
691 //_____________________________________________________________________________
692 Bool_t AliTRDcalibDB::IsChamberMasked(Int_t det)
695 // Returns status, see name of functions for details ;-)
698 const AliTRDCalChamberStatus* cal = dynamic_cast<const AliTRDCalChamberStatus*>
699 (GetCachedCDBObject(kIDChamberStatus));
704 return cal->IsMasked(det);
708 //_____________________________________________________________________________
709 Bool_t AliTRDcalibDB::IsSuperModuleInstalled(Int_t det)
712 // Returns status, see name of functions for details ;-)
715 const AliTRDCalSuperModuleStatus* cal = dynamic_cast<const AliTRDCalSuperModuleStatus*>
716 (GetCachedCDBObject(kIDSuperModuleStatus));
721 return cal->IsInstalled(det);
725 //_____________________________________________________________________________
726 Bool_t AliTRDcalibDB::IsSuperModuleMasked(Int_t det)
729 // Returns status, see name of functions for details ;-)
732 const AliTRDCalSuperModuleStatus* cal = dynamic_cast<const AliTRDCalSuperModuleStatus*>
733 (GetCachedCDBObject(kIDSuperModuleStatus));
738 return cal->IsMasked(det);
742 //_____________________________________________________________________________
743 const AliTRDCalPIDLQ* AliTRDcalibDB::GetPIDLQObject()
746 // Returns the object storing the distributions for PID with likelihood
749 return dynamic_cast<const AliTRDCalPIDLQ*> (GetCachedCDBObject(kIDPIDLQ));
753 //_____________________________________________________________________________
754 const AliTRDCalMonitoring* AliTRDcalibDB::GetMonitoringObject()
757 // Returns the object storing the monitoring data
760 return dynamic_cast<const AliTRDCalMonitoring*> (GetCachedCDBObject(kIDMonitoringData));
764 //_____________________________________________________________________________
765 Float_t AliTRDcalibDB::GetOmegaTau(Float_t vdrift)
768 // Returns omega*tau (tan(Lorentz-angle)) for a given drift velocity <vd>
769 // and a B-field <b> for Xe/CO2 (15%).
770 // The values are according to a GARFIELD simulation.
772 // This function basically does not belong to the calibration class. It should be moved somewhere else.
773 // However, currently it is in use by simulation and reconstruction.
776 AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
779 Float_t fieldAbs = TMath::Abs(commonParam->GetField());
780 Float_t fieldSgn = 1.0;
781 if (fieldAbs > 0.0) {
782 fieldSgn = commonParam->GetField() / fieldAbs;
786 Float_t p0[kNb] = { 0.004810, 0.007412, 0.010252, 0.013409, 0.016888 };
787 Float_t p1[kNb] = { 0.054875, 0.081534, 0.107333, 0.131983, 0.155455 };
788 Float_t p2[kNb] = { -0.008682, -0.012896, -0.016987, -0.020880, -0.024623 };
789 Float_t p3[kNb] = { 0.000155, 0.000238, 0.000330, 0.000428, 0.000541 };
791 Int_t ib = ((Int_t) (10 * (fieldAbs - 0.15)));
792 ib = TMath::Max( 0,ib);
793 ib = TMath::Min(kNb,ib);
795 Float_t alphaL = p0[ib]
797 + p2[ib] * vdrift*vdrift
798 + p3[ib] * vdrift*vdrift*vdrift;
800 return TMath::Tan(fieldSgn * alphaL);
804 //_____________________________________________________________________________
805 void AliTRDcalibDB::SamplePRF()
808 // Samples the pad response function (should maybe go somewhere else ...)
811 const Int_t kPRFbin = 61;
813 Float_t prf[kNplan][kPRFbin] = {
814 {2.9037e-02, 3.3608e-02, 3.9020e-02, 4.5292e-02,
815 5.2694e-02, 6.1362e-02, 7.1461e-02, 8.3362e-02,
816 9.7063e-02, 1.1307e-01, 1.3140e-01, 1.5235e-01,
817 1.7623e-01, 2.0290e-01, 2.3294e-01, 2.6586e-01,
818 3.0177e-01, 3.4028e-01, 3.8077e-01, 4.2267e-01,
819 4.6493e-01, 5.0657e-01, 5.4655e-01, 5.8397e-01,
820 6.1767e-01, 6.4744e-01, 6.7212e-01, 6.9188e-01,
821 7.0627e-01, 7.1499e-01, 7.1851e-01, 7.1499e-01,
822 7.0627e-01, 6.9188e-01, 6.7212e-01, 6.4744e-01,
823 6.1767e-01, 5.8397e-01, 5.4655e-01, 5.0657e-01,
824 4.6493e-01, 4.2267e-01, 3.8077e-01, 3.4028e-01,
825 3.0177e-01, 2.6586e-01, 2.3294e-01, 2.0290e-01,
826 1.7623e-01, 1.5235e-01, 1.3140e-01, 1.1307e-01,
827 9.7063e-02, 8.3362e-02, 7.1461e-02, 6.1362e-02,
828 5.2694e-02, 4.5292e-02, 3.9020e-02, 3.3608e-02,
830 {2.5478e-02, 2.9695e-02, 3.4655e-02, 4.0454e-02,
831 4.7342e-02, 5.5487e-02, 6.5038e-02, 7.6378e-02,
832 8.9696e-02, 1.0516e-01, 1.2327e-01, 1.4415e-01,
833 1.6794e-01, 1.9516e-01, 2.2573e-01, 2.5959e-01,
834 2.9694e-01, 3.3719e-01, 3.7978e-01, 4.2407e-01,
835 4.6889e-01, 5.1322e-01, 5.5569e-01, 5.9535e-01,
836 6.3141e-01, 6.6259e-01, 6.8882e-01, 7.0983e-01,
837 7.2471e-01, 7.3398e-01, 7.3761e-01, 7.3398e-01,
838 7.2471e-01, 7.0983e-01, 6.8882e-01, 6.6259e-01,
839 6.3141e-01, 5.9535e-01, 5.5569e-01, 5.1322e-01,
840 4.6889e-01, 4.2407e-01, 3.7978e-01, 3.3719e-01,
841 2.9694e-01, 2.5959e-01, 2.2573e-01, 1.9516e-01,
842 1.6794e-01, 1.4415e-01, 1.2327e-01, 1.0516e-01,
843 8.9696e-02, 7.6378e-02, 6.5038e-02, 5.5487e-02,
844 4.7342e-02, 4.0454e-02, 3.4655e-02, 2.9695e-02,
846 {2.2363e-02, 2.6233e-02, 3.0782e-02, 3.6140e-02,
847 4.2535e-02, 5.0157e-02, 5.9197e-02, 6.9900e-02,
848 8.2707e-02, 9.7811e-02, 1.1548e-01, 1.3601e-01,
849 1.5998e-01, 1.8739e-01, 2.1840e-01, 2.5318e-01,
850 2.9182e-01, 3.3373e-01, 3.7837e-01, 4.2498e-01,
851 4.7235e-01, 5.1918e-01, 5.6426e-01, 6.0621e-01,
852 6.4399e-01, 6.7700e-01, 7.0472e-01, 7.2637e-01,
853 7.4206e-01, 7.5179e-01, 7.5551e-01, 7.5179e-01,
854 7.4206e-01, 7.2637e-01, 7.0472e-01, 6.7700e-01,
855 6.4399e-01, 6.0621e-01, 5.6426e-01, 5.1918e-01,
856 4.7235e-01, 4.2498e-01, 3.7837e-01, 3.3373e-01,
857 2.9182e-01, 2.5318e-01, 2.1840e-01, 1.8739e-01,
858 1.5998e-01, 1.3601e-01, 1.1548e-01, 9.7811e-02,
859 8.2707e-02, 6.9900e-02, 5.9197e-02, 5.0157e-02,
860 4.2535e-02, 3.6140e-02, 3.0782e-02, 2.6233e-02,
862 {1.9635e-02, 2.3167e-02, 2.7343e-02, 3.2293e-02,
863 3.8224e-02, 4.5335e-02, 5.3849e-02, 6.4039e-02,
864 7.6210e-02, 9.0739e-02, 1.0805e-01, 1.2841e-01,
865 1.5216e-01, 1.7960e-01, 2.1099e-01, 2.4671e-01,
866 2.8647e-01, 3.2996e-01, 3.7660e-01, 4.2547e-01,
867 4.7536e-01, 5.2473e-01, 5.7215e-01, 6.1632e-01,
868 6.5616e-01, 6.9075e-01, 7.1939e-01, 7.4199e-01,
869 7.5838e-01, 7.6848e-01, 7.7227e-01, 7.6848e-01,
870 7.5838e-01, 7.4199e-01, 7.1939e-01, 6.9075e-01,
871 6.5616e-01, 6.1632e-01, 5.7215e-01, 5.2473e-01,
872 4.7536e-01, 4.2547e-01, 3.7660e-01, 3.2996e-01,
873 2.8647e-01, 2.4671e-01, 2.1099e-01, 1.7960e-01,
874 1.5216e-01, 1.2841e-01, 1.0805e-01, 9.0739e-02,
875 7.6210e-02, 6.4039e-02, 5.3849e-02, 4.5335e-02,
876 3.8224e-02, 3.2293e-02, 2.7343e-02, 2.3167e-02,
878 {1.7224e-02, 2.0450e-02, 2.4286e-02, 2.8860e-02,
879 3.4357e-02, 4.0979e-02, 4.8966e-02, 5.8612e-02,
880 7.0253e-02, 8.4257e-02, 1.0102e-01, 1.2094e-01,
881 1.4442e-01, 1.7196e-01, 2.0381e-01, 2.4013e-01,
882 2.8093e-01, 3.2594e-01, 3.7450e-01, 4.2563e-01,
883 4.7796e-01, 5.2991e-01, 5.7974e-01, 6.2599e-01,
884 6.6750e-01, 7.0344e-01, 7.3329e-01, 7.5676e-01,
885 7.7371e-01, 7.8410e-01, 7.8793e-01, 7.8410e-01,
886 7.7371e-01, 7.5676e-01, 7.3329e-01, 7.0344e-01,
887 6.6750e-01, 6.2599e-01, 5.7974e-01, 5.2991e-01,
888 4.7796e-01, 4.2563e-01, 3.7450e-01, 3.2594e-01,
889 2.8093e-01, 2.4013e-01, 2.0381e-01, 1.7196e-01,
890 1.4442e-01, 1.2094e-01, 1.0102e-01, 8.4257e-02,
891 7.0253e-02, 5.8612e-02, 4.8966e-02, 4.0979e-02,
892 3.4357e-02, 2.8860e-02, 2.4286e-02, 2.0450e-02,
894 {1.5096e-02, 1.8041e-02, 2.1566e-02, 2.5793e-02,
895 3.0886e-02, 3.7044e-02, 4.4515e-02, 5.3604e-02,
896 6.4668e-02, 7.8109e-02, 9.4364e-02, 1.1389e-01,
897 1.3716e-01, 1.6461e-01, 1.9663e-01, 2.3350e-01,
898 2.7527e-01, 3.2170e-01, 3.7214e-01, 4.2549e-01,
899 4.8024e-01, 5.3460e-01, 5.8677e-01, 6.3512e-01,
900 6.7838e-01, 7.1569e-01, 7.4655e-01, 7.7071e-01,
901 7.8810e-01, 7.9871e-01, 8.0255e-01, 7.9871e-01,
902 7.8810e-01, 7.7071e-01, 7.4655e-01, 7.1569e-01,
903 6.7838e-01, 6.3512e-01, 5.8677e-01, 5.3460e-01,
904 4.8024e-01, 4.2549e-01, 3.7214e-01, 3.2170e-01,
905 2.7527e-01, 2.3350e-01, 1.9663e-01, 1.6461e-01,
906 1.3716e-01, 1.1389e-01, 9.4364e-02, 7.8109e-02,
907 6.4668e-02, 5.3604e-02, 4.4515e-02, 3.7044e-02,
908 3.0886e-02, 2.5793e-02, 2.1566e-02, 1.8041e-02,
911 // More sampling precision with linear interpolation
914 Float_t pad[kPRFbin];
915 Int_t sPRFbin = kPRFbin;
916 Float_t sPRFwid = (fPRFhi - fPRFlo) / ((Float_t) sPRFbin);
917 for (Int_t iPad = 0; iPad < sPRFbin; iPad++) {
918 pad[iPad] = ((Float_t) iPad + 0.5) * sPRFwid + fPRFlo;
921 fPRFwid = (fPRFhi - fPRFlo) / ((Float_t) fPRFbin);
922 fPRFpad = ((Int_t) (1.0 / fPRFwid));
924 if (fPRFsmp) delete [] fPRFsmp;
925 fPRFsmp = new Float_t[kNplan*fPRFbin];
931 for (Int_t iPla = 0; iPla < kNplan; iPla++) {
933 for (Int_t iBin = 0; iBin < fPRFbin; iBin++) {
935 Float_t bin = (((Float_t) iBin) + 0.5) * fPRFwid + fPRFlo;
939 diff = bin - pad[ipos2++];
940 } while ((diff > 0) && (ipos2 < kPRFbin));
941 if (ipos2 == kPRFbin) {
942 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
944 else if (ipos2 == 1) {
945 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
949 if (ipos2 >= kPRFbin) ipos2 = kPRFbin - 1;
951 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2]
952 + diff * (prf[iPla][ipos2] - prf[iPla][ipos1])
961 //_____________________________________________________________________________
962 Int_t AliTRDcalibDB::PadResponse(Double_t signal, Double_t dist
963 , Int_t plane, Double_t *pad) const
966 // Applies the pad response
969 Int_t iBin = ((Int_t) (( - dist - fPRFlo) / fPRFwid));
970 Int_t iOff = plane * fPRFbin;
972 Int_t iBin0 = iBin - fPRFpad + iOff;
973 Int_t iBin1 = iBin + iOff;
974 Int_t iBin2 = iBin + fPRFpad + iOff;
979 if ((iBin1 >= 0) && (iBin1 < (fPRFbin*kNplan))) {
982 pad[0] = signal * fPRFsmp[iBin0];
984 pad[1] = signal * fPRFsmp[iBin1];
985 if (iBin2 < (fPRFbin*kNplan)) {
986 pad[2] = signal * fPRFsmp[iBin2];