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 ///////////////////////////////////////////////////////////////////////////////
34 #include "AliCDBManager.h"
35 #include "AliCDBStorage.h"
36 #include "AliCDBEntry.h"
39 #include "AliTRDcalibDB.h"
40 #include "AliTRDgeometry.h"
41 #include "AliTRDpadPlane.h"
42 #include "AliTRDCommonParam.h"
44 #include "Cal/AliTRDCalROC.h"
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"
50 #include "Cal/AliTRDCalSuperModuleStatus.h"
51 #include "Cal/AliTRDCalChamberStatus.h"
52 #include "Cal/AliTRDCalMCMStatus.h"
53 #include "Cal/AliTRDCalPadStatus.h"
54 #include "Cal/AliTRDCalSingleChamberStatus.h"
56 ClassImp(AliTRDcalibDB)
58 AliTRDcalibDB *AliTRDcalibDB::fgInstance = 0;
59 Bool_t AliTRDcalibDB::fgTerminated = kFALSE;
61 //_ singleton implementation __________________________________________________
62 AliTRDcalibDB* AliTRDcalibDB::Instance()
65 // Singleton implementation
66 // Returns an instance of this class, it is created if neccessary
69 if (fgTerminated != kFALSE) {
73 if (fgInstance == 0) {
74 fgInstance = new AliTRDcalibDB();
81 //_____________________________________________________________________________
82 void AliTRDcalibDB::Terminate()
85 // Singleton implementation
86 // Deletes the instance of this class and sets the terminated flag,
87 // instances cannot be requested anymore
88 // This function can be called several times.
93 if (fgInstance != 0) {
100 //_____________________________________________________________________________
101 AliTRDcalibDB::AliTRDcalibDB()
112 // Default constructor
114 // TODO Default runnumber is set to 0, this should be changed later
115 // to an invalid value (e.g. -1) to prevent
116 // TODO invalid calibration data to be used.
119 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
124 // Create the sampled PRF
129 //_____________________________________________________________________________
130 AliTRDcalibDB::AliTRDcalibDB(const AliTRDcalibDB &c)
141 // Copy constructor (not that it make any sense for a singleton...)
144 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
149 // Create the sampled PRF
154 //_____________________________________________________________________________
155 AliTRDcalibDB &AliTRDcalibDB::operator=(const AliTRDcalibDB &c)
158 // Assignment operator (same as above ...)
162 AliFatal("No assignment operator defined");
169 //_____________________________________________________________________________
170 AliTRDcalibDB::~AliTRDcalibDB()
185 //_caching functions____________________________________________________________
186 const TObject *AliTRDcalibDB::GetCachedCDBObject(Int_t id)
189 // Retrieves a cdb object with the given id. The objects are cached as
190 // long as the run number is not changed.
192 // Put together the available objects here by using the lines
193 // a) For usual calibration objects:
195 // return CacheCDBEntry(kID<Name>,"TRD/Calib/<Path>");
197 // See function CacheCDBEntry for details.
199 // b) For calibration data which depends on two objects: One containing
200 // a value per detector and one the local fluctuations per pad:
202 // return CacheMergeCDBEntry(kID<Name>,"TRD/Calib/<padPath>","TRD/Calib/<chamberPath>");
204 // See function CacheMergeCDBEntry for details.
209 // Parameters defined per pad and chamber
211 return CacheCDBEntry(kIDVdriftPad ,"TRD/Calib/LocalVdrift");
213 case kIDVdriftChamber :
214 return CacheCDBEntry(kIDVdriftChamber ,"TRD/Calib/ChamberVdrift");
217 return CacheCDBEntry(kIDT0Pad ,"TRD/Calib/LocalT0");
220 return CacheCDBEntry(kIDT0Chamber ,"TRD/Calib/ChamberT0");
222 case kIDGainFactorPad :
223 return CacheCDBEntry(kIDGainFactorPad ,"TRD/Calib/LocalGainFactor");
225 case kIDGainFactorChamber :
226 return CacheCDBEntry(kIDGainFactorChamber ,"TRD/Calib/ChamberGainFactor");
229 // Parameters defined per pad
231 return CacheCDBEntry(kIDPRFWidth ,"TRD/Calib/PRFWidth");
235 case kIDSuperModuleStatus :
236 return CacheCDBEntry(kIDSuperModuleStatus ,"TRD/Calib/SuperModuleStatus");
238 case kIDChamberStatus :
239 return CacheCDBEntry(kIDChamberStatus ,"TRD/Calib/ChamberStatus");
242 return CacheCDBEntry(kIDMCMStatus ,"TRD/Calib/MCMStatus");
245 return CacheCDBEntry(kIDPadStatus ,"TRD/Calib/PadStatus");
249 case kIDMonitoringData :
250 return CacheCDBEntry(kIDMonitoringData ,"TRD/Calib/MonitoringData");
253 return CacheCDBEntry(kIDGlobals ,"TRD/Calib/Globals");
256 return CacheCDBEntry(kIDPIDLQ ,"TRD/Calib/PIDLQ");
265 //_____________________________________________________________________________
266 AliCDBEntry *AliTRDcalibDB::GetCDBEntry(const char *cdbPath)
269 // Retrieves an entry with path <cdbPath> from the CDB.
272 AliCDBEntry *entry = AliCDBManager::Instance()->Get(cdbPath,fRun);
274 AliError(Form("Failed to get entry: %s",cdbPath));
282 //_____________________________________________________________________________
283 const TObject *AliTRDcalibDB::CacheCDBEntry(Int_t id, const char *cdbPath)
286 // Caches the entry <id> with cdb path <cdbPath>
289 if (!fCDBCache[id]) {
290 fCDBEntries[id] = GetCDBEntry(cdbPath);
291 if (fCDBEntries[id]) {
292 fCDBCache[id] = fCDBEntries[id]->GetObject();
296 return fCDBCache[id];
300 //_____________________________________________________________________________
301 void AliTRDcalibDB::SetRun(Long64_t run)
304 // Sets current run number. Calibration data is read from the corresponding file.
305 // When the run number changes the caching is invalidated.
318 //_____________________________________________________________________________
319 void AliTRDcalibDB::Invalidate()
322 // Invalidates cache (when run number is changed).
325 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
326 if (fCDBEntries[i]) {
327 if (AliCDBManager::Instance()->GetCacheFlag() == kFALSE) {
328 if ((fCDBEntries[i]->IsOwner() == kFALSE) && fCDBCache[i]) {
331 delete fCDBEntries[i];
340 //_____________________________________________________________________________
341 Float_t AliTRDcalibDB::GetVdrift(Int_t det, Int_t col, Int_t row)
344 // Returns the drift velocity for the given pad.
347 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
348 (GetCachedCDBObject(kIDVdriftPad));
353 AliTRDCalROC *roc = calPad->GetCalROC(det);
358 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
359 (GetCachedCDBObject(kIDVdriftChamber));
364 return calChamber->GetValue(det) * roc->GetValue(col,row);
368 //_____________________________________________________________________________
369 Float_t AliTRDcalibDB::GetVdriftAverage(Int_t det)
372 // Returns the average drift velocity for the given detector
375 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
376 (GetCachedCDBObject(kIDVdriftChamber));
381 return calDet->GetValue(det);
385 //_____________________________________________________________________________
386 Float_t AliTRDcalibDB::GetT0(Int_t det, Int_t col, Int_t row)
389 // Returns t0 for the given pad.
392 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
393 (GetCachedCDBObject(kIDT0Pad));
398 AliTRDCalROC *roc = calPad->GetCalROC(det);
403 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
404 (GetCachedCDBObject(kIDT0Chamber));
409 return calChamber->GetValue(det) * roc->GetValue(col,row);
413 //_____________________________________________________________________________
414 Float_t AliTRDcalibDB::GetT0Average(Int_t det)
417 // Returns the average t0 for the given detector
420 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
421 (GetCachedCDBObject(kIDT0Chamber));
426 return calDet->GetValue(det);
430 //_____________________________________________________________________________
431 Float_t AliTRDcalibDB::GetGainFactor(Int_t det, Int_t col, Int_t row)
434 // Returns the gain factor for the given pad.
437 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
438 (GetCachedCDBObject(kIDGainFactorPad));
443 AliTRDCalROC *roc = calPad->GetCalROC(det);
447 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
448 (GetCachedCDBObject(kIDGainFactorChamber));
453 return calChamber->GetValue(det) * roc->GetValue(col,row);
457 //_____________________________________________________________________________
458 Float_t AliTRDcalibDB::GetGainFactorAverage(Int_t det)
461 // Returns the average gain factor for the given detector
464 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
465 (GetCachedCDBObject(kIDGainFactorChamber));
470 return calDet->GetValue(det);
474 //_____________________________________________________________________________
475 Float_t AliTRDcalibDB::GetPRFWidth(Int_t det, Int_t col, Int_t row)
478 // Returns the PRF width for the given pad.
481 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
482 (GetCachedCDBObject(kIDPRFWidth));
487 AliTRDCalROC *roc = calPad->GetCalROC(det);
492 return roc->GetValue(col,row);
496 //_____________________________________________________________________________
497 Float_t AliTRDcalibDB::GetSamplingFrequency()
500 // Returns the sampling frequency of the TRD read-out.
503 const AliTRDCalGlobals *calGlobal = dynamic_cast<const AliTRDCalGlobals *>
504 (GetCachedCDBObject(kIDGlobals));
509 return calGlobal->GetSamplingFrequency();
513 //_____________________________________________________________________________
514 Int_t AliTRDcalibDB::GetNumberOfTimeBins()
517 // Returns the number of time bins which are read-out.
520 const AliTRDCalGlobals *calGlobal = dynamic_cast<const AliTRDCalGlobals *>
521 (GetCachedCDBObject(kIDGlobals));
526 return calGlobal->GetNumberOfTimeBins();
530 //_____________________________________________________________________________
531 Char_t AliTRDcalibDB::GetPadStatus(Int_t det, Int_t col, Int_t row)
534 // Returns the status of the given pad
537 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
538 (GetCachedCDBObject(kIDPadStatus));
543 const AliTRDCalSingleChamberStatus *roc = cal->GetCalROC(det);
548 return roc->GetStatus(col,row);
552 //_____________________________________________________________________________
553 Char_t AliTRDcalibDB::GetMCMStatus(Int_t det, Int_t col, Int_t row)
556 // Returns the status of the given MCM
559 const AliTRDCalMCMStatus *cal = dynamic_cast<const AliTRDCalMCMStatus *>
560 (GetCachedCDBObject(kIDMCMStatus));
565 return cal->GetStatus(det,col,row);
569 //_____________________________________________________________________________
570 Char_t AliTRDcalibDB::GetChamberStatus(Int_t det)
573 // Returns the status of the given chamber
576 const AliTRDCalChamberStatus *cal = dynamic_cast<const AliTRDCalChamberStatus *>
577 (GetCachedCDBObject(kIDChamberStatus));
582 return cal->GetStatus(det);
586 //_____________________________________________________________________________
587 Char_t AliTRDcalibDB::GetSuperModuleStatus(Int_t sm)
590 // Returns the status of the given chamber
593 const AliTRDCalSuperModuleStatus *cal = dynamic_cast<const AliTRDCalSuperModuleStatus *>
594 (GetCachedCDBObject(kIDSuperModuleStatus));
599 return cal->GetStatus(sm);
603 //_____________________________________________________________________________
604 Bool_t AliTRDcalibDB::IsPadMasked(Int_t det, Int_t col, Int_t row)
607 // Returns status, see name of functions for details ;-)
610 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
611 (GetCachedCDBObject(kIDPadStatus));
616 return cal->IsMasked(det,col,row);
620 //_____________________________________________________________________________
621 Bool_t AliTRDcalibDB::IsPadBridgedLeft(Int_t det, Int_t col, Int_t row)
624 // Returns status, see name of functions for details ;-)
627 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
628 (GetCachedCDBObject(kIDPadStatus));
633 return cal->IsBridgedLeft(det,col,row);
637 //_____________________________________________________________________________
638 Bool_t AliTRDcalibDB::IsPadBridgedRight(Int_t det, Int_t col, Int_t row)
641 // Returns status, see name of functions for details ;-)
644 const AliTRDCalPadStatus * cal = dynamic_cast<const AliTRDCalPadStatus *>
645 (GetCachedCDBObject(kIDPadStatus));
650 return cal->IsBridgedRight(det,col,row);
654 //_____________________________________________________________________________
655 Bool_t AliTRDcalibDB::IsMCMMasked(Int_t det, Int_t col, Int_t row)
658 // Returns status, see name of functions for details ;-)
661 const AliTRDCalMCMStatus * cal = dynamic_cast<const AliTRDCalMCMStatus *>
662 (GetCachedCDBObject(kIDMCMStatus));
667 return cal->IsMasked(det,col,row);
671 //_____________________________________________________________________________
672 Bool_t AliTRDcalibDB::IsChamberInstalled(Int_t det)
675 // Returns status, see name of functions for details ;-)
678 const AliTRDCalChamberStatus * cal = dynamic_cast<const AliTRDCalChamberStatus *>
679 (GetCachedCDBObject(kIDChamberStatus));
684 return cal->IsInstalled(det);
688 //_____________________________________________________________________________
689 Bool_t AliTRDcalibDB::IsChamberMasked(Int_t det)
692 // Returns status, see name of functions for details ;-)
695 const AliTRDCalChamberStatus * cal = dynamic_cast<const AliTRDCalChamberStatus *>
696 (GetCachedCDBObject(kIDChamberStatus));
701 return cal->IsMasked(det);
705 //_____________________________________________________________________________
706 Bool_t AliTRDcalibDB::IsSuperModuleInstalled(Int_t det)
709 // Returns status, see name of functions for details ;-)
712 const AliTRDCalSuperModuleStatus * cal = dynamic_cast<const AliTRDCalSuperModuleStatus *>
713 (GetCachedCDBObject(kIDSuperModuleStatus));
718 return cal->IsInstalled(det);
722 //_____________________________________________________________________________
723 Bool_t AliTRDcalibDB::IsSuperModuleMasked(Int_t det)
726 // Returns status, see name of functions for details ;-)
729 const AliTRDCalSuperModuleStatus * cal = dynamic_cast<const AliTRDCalSuperModuleStatus *>
730 (GetCachedCDBObject(kIDSuperModuleStatus));
735 return cal->IsMasked(det);
739 //_____________________________________________________________________________
740 const AliTRDCalPIDLQ* AliTRDcalibDB::GetPIDLQObject()
743 // Returns the object storing the distributions for PID with likelihood
746 return dynamic_cast<const AliTRDCalPIDLQ *> (GetCachedCDBObject(kIDPIDLQ));
750 //_____________________________________________________________________________
751 const AliTRDCalMonitoring* AliTRDcalibDB::GetMonitoringObject()
754 // Returns the object storing the monitoring data
757 return dynamic_cast<const AliTRDCalMonitoring *> (GetCachedCDBObject(kIDMonitoringData));
761 //_____________________________________________________________________________
762 Float_t AliTRDcalibDB::GetOmegaTau(Float_t vdrift, Float_t bz)
765 // Returns omega*tau (tan(Lorentz-angle)) for a given drift velocity <vdrift>
766 // and a B-field <bz> for Xe/CO2 (15%).
767 // The values are according to a GARFIELD simulation.
769 // This function basically does not belong to the calibration class.
770 // It should be moved somewhere else.
771 // However, currently it is in use by simulation and reconstruction.
774 Float_t fieldAbs = TMath::Abs(bz);
775 Float_t fieldSgn = (bz > 0.0) ? 1.0 : -1.0;
778 Float_t p0[kNb] = { 0.004810, 0.007412, 0.010252, 0.013409, 0.016888 };
779 Float_t p1[kNb] = { 0.054875, 0.081534, 0.107333, 0.131983, 0.155455 };
780 Float_t p2[kNb] = { -0.008682, -0.012896, -0.016987, -0.020880, -0.024623 };
781 Float_t p3[kNb] = { 0.000155, 0.000238, 0.000330, 0.000428, 0.000541 };
783 // No ExB if field is too small (or zero)
784 if (fieldAbs < 0.01) {
789 // Calculate ExB from parametrization
792 Int_t ib = ((Int_t) (10 * (fieldAbs - 0.15)));
793 ib = TMath::Max( 0,ib);
794 ib = TMath::Min(kNb,ib);
796 Float_t alphaL = p0[ib]
798 + p2[ib] * vdrift*vdrift
799 + p3[ib] * vdrift*vdrift*vdrift;
801 return TMath::Tan(fieldSgn * alphaL);
807 //_____________________________________________________________________________
808 void AliTRDcalibDB::SamplePRF()
811 // Samples the pad response function (should maybe go somewhere else ...)
814 const Int_t kPRFbin = 61;
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,
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,
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,
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,
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,
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,
914 // More sampling precision with linear interpolation
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;
924 fPRFwid = (fPRFhi - fPRFlo) / ((Float_t) fPRFbin);
925 fPRFpad = ((Int_t) (1.0 / fPRFwid));
927 if (fPRFsmp) delete [] fPRFsmp;
928 fPRFsmp = new Float_t[kNplan*fPRFbin];
934 for (Int_t iPla = 0; iPla < kNplan; iPla++) {
936 for (Int_t iBin = 0; iBin < fPRFbin; iBin++) {
938 Float_t bin = (((Float_t) iBin) + 0.5) * fPRFwid + fPRFlo;
942 diff = bin - pad[ipos2++];
943 } while ((diff > 0) && (ipos2 < kPRFbin));
944 if (ipos2 == kPRFbin) {
945 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
947 else if (ipos2 == 1) {
948 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
952 if (ipos2 >= kPRFbin) ipos2 = kPRFbin - 1;
954 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2]
955 + diff * (prf[iPla][ipos2] - prf[iPla][ipos1])
964 //_____________________________________________________________________________
965 Int_t AliTRDcalibDB::PadResponse(Double_t signal, Double_t dist
966 , Int_t plane, Double_t *pad) const
969 // Applies the pad response
972 Int_t iBin = ((Int_t) (( - dist - fPRFlo) / fPRFwid));
973 Int_t iOff = plane * fPRFbin;
975 Int_t iBin0 = iBin - fPRFpad + iOff;
976 Int_t iBin1 = iBin + iOff;
977 Int_t iBin2 = iBin + fPRFpad + iOff;
982 if ((iBin1 >= 0) && (iBin1 < (fPRFbin*kNplan))) {
985 pad[0] = signal * fPRFsmp[iBin0];
987 pad[1] = signal * fPRFsmp[iBin1];
988 if (iBin2 < (fPRFbin*kNplan)) {
989 pad[2] = signal * fPRFsmp[iBin2];