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/AliTRDCalChamberStatus.h"
51 #include "Cal/AliTRDCalPadStatus.h"
52 #include "Cal/AliTRDCalSingleChamberStatus.h"
54 ClassImp(AliTRDcalibDB)
56 AliTRDcalibDB *AliTRDcalibDB::fgInstance = 0;
57 Bool_t AliTRDcalibDB::fgTerminated = kFALSE;
59 //_ singleton implementation __________________________________________________
60 AliTRDcalibDB* AliTRDcalibDB::Instance()
63 // Singleton implementation
64 // Returns an instance of this class, it is created if neccessary
67 if (fgTerminated != kFALSE) {
71 if (fgInstance == 0) {
72 fgInstance = new AliTRDcalibDB();
79 //_____________________________________________________________________________
80 void AliTRDcalibDB::Terminate()
83 // Singleton implementation
84 // Deletes the instance of this class and sets the terminated flag,
85 // instances cannot be requested anymore
86 // This function can be called several times.
91 if (fgInstance != 0) {
98 //_____________________________________________________________________________
99 AliTRDcalibDB::AliTRDcalibDB()
110 // Default constructor
112 // TODO Default runnumber is set to 0, this should be changed later
113 // to an invalid value (e.g. -1) to prevent
114 // TODO invalid calibration data to be used.
117 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
122 // Create the sampled PRF
127 //_____________________________________________________________________________
128 AliTRDcalibDB::AliTRDcalibDB(const AliTRDcalibDB &c)
139 // Copy constructor (not that it make any sense for a singleton...)
142 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
147 // Create the sampled PRF
152 //_____________________________________________________________________________
153 AliTRDcalibDB &AliTRDcalibDB::operator=(const AliTRDcalibDB &c)
156 // Assignment operator (same as above ...)
160 AliFatal("No assignment operator defined");
167 //_____________________________________________________________________________
168 AliTRDcalibDB::~AliTRDcalibDB()
183 //_caching functions____________________________________________________________
184 const TObject *AliTRDcalibDB::GetCachedCDBObject(Int_t id)
187 // Retrieves a cdb object with the given id. The objects are cached as
188 // long as the run number is not changed.
190 // Put together the available objects here by using the lines
191 // a) For usual calibration objects:
193 // return CacheCDBEntry(kID<Name>,"TRD/Calib/<Path>");
195 // See function CacheCDBEntry for details.
197 // b) For calibration data which depends on two objects: One containing
198 // a value per detector and one the local fluctuations per pad:
200 // return CacheMergeCDBEntry(kID<Name>,"TRD/Calib/<padPath>","TRD/Calib/<chamberPath>");
202 // See function CacheMergeCDBEntry for details.
207 // Parameters defined per pad and chamber
209 return CacheCDBEntry(kIDVdriftPad ,"TRD/Calib/LocalVdrift");
211 case kIDVdriftChamber :
212 return CacheCDBEntry(kIDVdriftChamber ,"TRD/Calib/ChamberVdrift");
215 return CacheCDBEntry(kIDT0Pad ,"TRD/Calib/LocalT0");
218 return CacheCDBEntry(kIDT0Chamber ,"TRD/Calib/ChamberT0");
220 case kIDGainFactorPad :
221 return CacheCDBEntry(kIDGainFactorPad ,"TRD/Calib/LocalGainFactor");
223 case kIDGainFactorChamber :
224 return CacheCDBEntry(kIDGainFactorChamber ,"TRD/Calib/ChamberGainFactor");
227 // Parameters defined per pad
229 return CacheCDBEntry(kIDPRFWidth ,"TRD/Calib/PRFWidth");
233 case kIDChamberStatus :
234 return CacheCDBEntry(kIDChamberStatus ,"TRD/Calib/ChamberStatus");
237 return CacheCDBEntry(kIDPadStatus ,"TRD/Calib/PadStatus");
241 case kIDMonitoringData :
242 return CacheCDBEntry(kIDMonitoringData ,"TRD/Calib/MonitoringData");
245 return CacheCDBEntry(kIDGlobals ,"TRD/Calib/Globals");
248 return CacheCDBEntry(kIDPIDLQ ,"TRD/Calib/PIDLQ");
257 //_____________________________________________________________________________
258 AliCDBEntry *AliTRDcalibDB::GetCDBEntry(const char *cdbPath)
261 // Retrieves an entry with path <cdbPath> from the CDB.
264 AliCDBEntry *entry = AliCDBManager::Instance()->Get(cdbPath,fRun);
266 AliError(Form("Failed to get entry: %s",cdbPath));
274 //_____________________________________________________________________________
275 const TObject *AliTRDcalibDB::CacheCDBEntry(Int_t id, const char *cdbPath)
278 // Caches the entry <id> with cdb path <cdbPath>
281 if (!fCDBCache[id]) {
282 fCDBEntries[id] = GetCDBEntry(cdbPath);
283 if (fCDBEntries[id]) {
284 fCDBCache[id] = fCDBEntries[id]->GetObject();
288 return fCDBCache[id];
292 //_____________________________________________________________________________
293 void AliTRDcalibDB::SetRun(Long64_t run)
296 // Sets current run number. Calibration data is read from the corresponding file.
297 // When the run number changes the caching is invalidated.
310 //_____________________________________________________________________________
311 void AliTRDcalibDB::Invalidate()
314 // Invalidates cache (when run number is changed).
317 for (Int_t i = 0; i < kCDBCacheSize; ++i) {
318 if (fCDBEntries[i]) {
319 if (AliCDBManager::Instance()->GetCacheFlag() == kFALSE) {
320 if ((fCDBEntries[i]->IsOwner() == kFALSE) &&
324 delete fCDBEntries[i];
333 //_____________________________________________________________________________
334 Float_t AliTRDcalibDB::GetVdrift(Int_t det, Int_t col, Int_t row)
337 // Returns the drift velocity for the given pad.
340 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
341 (GetCachedCDBObject(kIDVdriftPad));
346 AliTRDCalROC *roc = calPad->GetCalROC(det);
351 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
352 (GetCachedCDBObject(kIDVdriftChamber));
357 return calChamber->GetValue(det) * roc->GetValue(col,row);
361 //_____________________________________________________________________________
362 Float_t AliTRDcalibDB::GetVdriftAverage(Int_t det)
365 // Returns the average drift velocity for the given detector
368 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
369 (GetCachedCDBObject(kIDVdriftChamber));
374 return calDet->GetValue(det);
378 //_____________________________________________________________________________
379 Float_t AliTRDcalibDB::GetT0(Int_t det, Int_t col, Int_t row)
382 // Returns t0 for the given pad.
385 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
386 (GetCachedCDBObject(kIDT0Pad));
391 AliTRDCalROC *roc = calPad->GetCalROC(det);
396 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
397 (GetCachedCDBObject(kIDT0Chamber));
402 return calChamber->GetValue(det) + roc->GetValue(col,row);
406 //_____________________________________________________________________________
407 AliTRDCalROC *AliTRDcalibDB::GetT0ROC(Int_t det)
410 // Returns the t0 calibration object for a given ROC
411 // containing one number per pad
414 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
415 (GetCachedCDBObject(kIDT0Pad));
420 AliTRDCalROC *roc = calPad->GetCalROC(det);
430 //_____________________________________________________________________________
431 const AliTRDCalDet *AliTRDcalibDB::GetT0Det()
434 // Returns the t0 calibration object
435 // containing one number per detector
438 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
439 (GetCachedCDBObject(kIDT0Chamber));
449 //_____________________________________________________________________________
450 Float_t AliTRDcalibDB::GetT0Average(Int_t det)
453 // Returns the average t0 for the given detector
456 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
457 (GetCachedCDBObject(kIDT0Pad));
462 AliTRDCalROC *roc = calPad->GetCalROC(det);
467 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
468 (GetCachedCDBObject(kIDT0Chamber));
474 for (Int_t channel = 0; channel < roc->GetNchannels(); ++channel) {
475 mean += (calDet->GetValue(det) + roc->GetValue(channel)) / roc->GetNchannels();
482 //_____________________________________________________________________________
483 Float_t AliTRDcalibDB::GetGainFactor(Int_t det, Int_t col, Int_t row)
486 // Returns the gain factor for the given pad.
489 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
490 (GetCachedCDBObject(kIDGainFactorPad));
495 AliTRDCalROC *roc = calPad->GetCalROC(det);
500 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
501 (GetCachedCDBObject(kIDGainFactorChamber));
506 return calChamber->GetValue(det) * roc->GetValue(col,row);
510 //_____________________________________________________________________________
511 AliTRDCalROC *AliTRDcalibDB::GetGainFactorROC(Int_t det)
514 // Returns the gain factor calibration object for a given ROC
515 // containing one number per pad
518 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
519 (GetCachedCDBObject(kIDGainFactorPad));
524 AliTRDCalROC *roc = calPad->GetCalROC(det);
534 //_____________________________________________________________________________
535 const AliTRDCalDet *AliTRDcalibDB::GetGainFactorDet()
538 // Returns the gain factor calibration object
539 // containing one number per detector
542 const AliTRDCalDet *calChamber = dynamic_cast<const AliTRDCalDet *>
543 (GetCachedCDBObject(kIDGainFactorChamber));
553 //_____________________________________________________________________________
554 Float_t AliTRDcalibDB::GetGainFactorAverage(Int_t det)
557 // Returns the average gain factor for the given detector
560 const AliTRDCalDet *calDet = dynamic_cast<const AliTRDCalDet *>
561 (GetCachedCDBObject(kIDGainFactorChamber));
566 return calDet->GetValue(det);
570 //_____________________________________________________________________________
571 Float_t AliTRDcalibDB::GetPRFWidth(Int_t det, Int_t col, Int_t row)
574 // Returns the PRF width for the given pad.
577 const AliTRDCalPad *calPad = dynamic_cast<const AliTRDCalPad *>
578 (GetCachedCDBObject(kIDPRFWidth));
583 AliTRDCalROC *roc = calPad->GetCalROC(det);
588 return roc->GetValue(col,row);
592 //_____________________________________________________________________________
593 Int_t AliTRDcalibDB::GetNumberOfTimeBins()
596 // Returns the number of time bins which are read-out.
599 const AliTRDCalGlobals *calGlobal = dynamic_cast<const AliTRDCalGlobals *>
600 (GetCachedCDBObject(kIDGlobals));
605 return calGlobal->GetNumberOfTimeBins();
609 //_____________________________________________________________________________
610 Char_t AliTRDcalibDB::GetPadStatus(Int_t det, Int_t col, Int_t row)
613 // Returns the status of the given pad
616 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
617 (GetCachedCDBObject(kIDPadStatus));
622 const AliTRDCalSingleChamberStatus *roc = cal->GetCalROC(det);
627 return roc->GetStatus(col,row);
631 //_____________________________________________________________________________
632 Char_t AliTRDcalibDB::GetChamberStatus(Int_t det)
635 // Returns the status of the given chamber
638 const AliTRDCalChamberStatus *cal = dynamic_cast<const AliTRDCalChamberStatus *>
639 (GetCachedCDBObject(kIDChamberStatus));
644 return cal->GetStatus(det);
648 //_____________________________________________________________________________
649 Bool_t AliTRDcalibDB::IsPadMasked(Int_t det, Int_t col, Int_t row)
652 // Returns status, see name of functions for details ;-)
655 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
656 (GetCachedCDBObject(kIDPadStatus));
661 return cal->IsMasked(det,col,row);
665 //_____________________________________________________________________________
666 Bool_t AliTRDcalibDB::IsPadBridgedLeft(Int_t det, Int_t col, Int_t row)
669 // Returns status, see name of functions for details ;-)
672 const AliTRDCalPadStatus *cal = dynamic_cast<const AliTRDCalPadStatus *>
673 (GetCachedCDBObject(kIDPadStatus));
678 return cal->IsBridgedLeft(det,col,row);
682 //_____________________________________________________________________________
683 Bool_t AliTRDcalibDB::IsPadBridgedRight(Int_t det, Int_t col, Int_t row)
686 // Returns status, see name of functions for details ;-)
689 const AliTRDCalPadStatus * cal = dynamic_cast<const AliTRDCalPadStatus *>
690 (GetCachedCDBObject(kIDPadStatus));
695 return cal->IsBridgedRight(det,col,row);
699 //_____________________________________________________________________________
700 Bool_t AliTRDcalibDB::IsChamberInstalled(Int_t det)
703 // Returns status, see name of functions for details ;-)
706 const AliTRDCalChamberStatus * cal = dynamic_cast<const AliTRDCalChamberStatus *>
707 (GetCachedCDBObject(kIDChamberStatus));
712 return cal->IsInstalled(det);
716 //_____________________________________________________________________________
717 Bool_t AliTRDcalibDB::IsChamberMasked(Int_t det)
720 // Returns status, see name of functions for details ;-)
723 const AliTRDCalChamberStatus * cal = dynamic_cast<const AliTRDCalChamberStatus *>
724 (GetCachedCDBObject(kIDChamberStatus));
729 return cal->IsMasked(det);
733 //_____________________________________________________________________________
734 const AliTRDCalPIDLQ *AliTRDcalibDB::GetPIDLQObject()
737 // Returns the object storing the distributions for PID with likelihood
740 return dynamic_cast<const AliTRDCalPIDLQ *>
741 (GetCachedCDBObject(kIDPIDLQ));
745 //_____________________________________________________________________________
746 const AliTRDCalMonitoring *AliTRDcalibDB::GetMonitoringObject()
749 // Returns the object storing the monitoring data
752 return dynamic_cast<const AliTRDCalMonitoring *>
753 (GetCachedCDBObject(kIDMonitoringData));
757 //_____________________________________________________________________________
758 Float_t AliTRDcalibDB::GetOmegaTau(Float_t vdrift, Float_t bz)
761 // Returns omega*tau (tan(Lorentz-angle)) for a given drift velocity <vdrift>
762 // and a B-field <bz> for Xe/CO2 (15%).
763 // The values are according to a GARFIELD simulation.
765 // This function basically does not belong to the calibration class.
766 // It should be moved somewhere else.
767 // However, currently it is in use by simulation and reconstruction.
770 Float_t fieldAbs = TMath::Abs(bz);
771 Float_t fieldSgn = (bz > 0.0) ? 1.0 : -1.0;
774 Float_t p0[kNb] = { 0.004810, 0.007412, 0.010252, 0.013409, 0.016888 };
775 Float_t p1[kNb] = { 0.054875, 0.081534, 0.107333, 0.131983, 0.155455 };
776 Float_t p2[kNb] = { -0.008682, -0.012896, -0.016987, -0.020880, -0.024623 };
777 Float_t p3[kNb] = { 0.000155, 0.000238, 0.000330, 0.000428, 0.000541 };
779 // No ExB if field is too small (or zero)
780 if (fieldAbs < 0.01) {
785 // Calculate ExB from parametrization
788 Int_t ib = ((Int_t) (10 * (fieldAbs - 0.15)));
789 ib = TMath::Max( 0,ib);
790 ib = TMath::Min(kNb,ib);
792 Float_t alphaL = p0[ib]
794 + p2[ib] * vdrift*vdrift
795 + p3[ib] * vdrift*vdrift*vdrift;
797 return TMath::Tan(fieldSgn * alphaL);
803 //_____________________________________________________________________________
804 void AliTRDcalibDB::SamplePRF()
807 // Samples the pad response function (should maybe go somewhere else ...)
810 const Int_t kPRFbin = 61;
812 Float_t prf[kNplan][kPRFbin] = {
813 {2.9037e-02, 3.3608e-02, 3.9020e-02, 4.5292e-02,
814 5.2694e-02, 6.1362e-02, 7.1461e-02, 8.3362e-02,
815 9.7063e-02, 1.1307e-01, 1.3140e-01, 1.5235e-01,
816 1.7623e-01, 2.0290e-01, 2.3294e-01, 2.6586e-01,
817 3.0177e-01, 3.4028e-01, 3.8077e-01, 4.2267e-01,
818 4.6493e-01, 5.0657e-01, 5.4655e-01, 5.8397e-01,
819 6.1767e-01, 6.4744e-01, 6.7212e-01, 6.9188e-01,
820 7.0627e-01, 7.1499e-01, 7.1851e-01, 7.1499e-01,
821 7.0627e-01, 6.9188e-01, 6.7212e-01, 6.4744e-01,
822 6.1767e-01, 5.8397e-01, 5.4655e-01, 5.0657e-01,
823 4.6493e-01, 4.2267e-01, 3.8077e-01, 3.4028e-01,
824 3.0177e-01, 2.6586e-01, 2.3294e-01, 2.0290e-01,
825 1.7623e-01, 1.5235e-01, 1.3140e-01, 1.1307e-01,
826 9.7063e-02, 8.3362e-02, 7.1461e-02, 6.1362e-02,
827 5.2694e-02, 4.5292e-02, 3.9020e-02, 3.3608e-02,
829 {2.5478e-02, 2.9695e-02, 3.4655e-02, 4.0454e-02,
830 4.7342e-02, 5.5487e-02, 6.5038e-02, 7.6378e-02,
831 8.9696e-02, 1.0516e-01, 1.2327e-01, 1.4415e-01,
832 1.6794e-01, 1.9516e-01, 2.2573e-01, 2.5959e-01,
833 2.9694e-01, 3.3719e-01, 3.7978e-01, 4.2407e-01,
834 4.6889e-01, 5.1322e-01, 5.5569e-01, 5.9535e-01,
835 6.3141e-01, 6.6259e-01, 6.8882e-01, 7.0983e-01,
836 7.2471e-01, 7.3398e-01, 7.3761e-01, 7.3398e-01,
837 7.2471e-01, 7.0983e-01, 6.8882e-01, 6.6259e-01,
838 6.3141e-01, 5.9535e-01, 5.5569e-01, 5.1322e-01,
839 4.6889e-01, 4.2407e-01, 3.7978e-01, 3.3719e-01,
840 2.9694e-01, 2.5959e-01, 2.2573e-01, 1.9516e-01,
841 1.6794e-01, 1.4415e-01, 1.2327e-01, 1.0516e-01,
842 8.9696e-02, 7.6378e-02, 6.5038e-02, 5.5487e-02,
843 4.7342e-02, 4.0454e-02, 3.4655e-02, 2.9695e-02,
845 {2.2363e-02, 2.6233e-02, 3.0782e-02, 3.6140e-02,
846 4.2535e-02, 5.0157e-02, 5.9197e-02, 6.9900e-02,
847 8.2707e-02, 9.7811e-02, 1.1548e-01, 1.3601e-01,
848 1.5998e-01, 1.8739e-01, 2.1840e-01, 2.5318e-01,
849 2.9182e-01, 3.3373e-01, 3.7837e-01, 4.2498e-01,
850 4.7235e-01, 5.1918e-01, 5.6426e-01, 6.0621e-01,
851 6.4399e-01, 6.7700e-01, 7.0472e-01, 7.2637e-01,
852 7.4206e-01, 7.5179e-01, 7.5551e-01, 7.5179e-01,
853 7.4206e-01, 7.2637e-01, 7.0472e-01, 6.7700e-01,
854 6.4399e-01, 6.0621e-01, 5.6426e-01, 5.1918e-01,
855 4.7235e-01, 4.2498e-01, 3.7837e-01, 3.3373e-01,
856 2.9182e-01, 2.5318e-01, 2.1840e-01, 1.8739e-01,
857 1.5998e-01, 1.3601e-01, 1.1548e-01, 9.7811e-02,
858 8.2707e-02, 6.9900e-02, 5.9197e-02, 5.0157e-02,
859 4.2535e-02, 3.6140e-02, 3.0782e-02, 2.6233e-02,
861 {1.9635e-02, 2.3167e-02, 2.7343e-02, 3.2293e-02,
862 3.8224e-02, 4.5335e-02, 5.3849e-02, 6.4039e-02,
863 7.6210e-02, 9.0739e-02, 1.0805e-01, 1.2841e-01,
864 1.5216e-01, 1.7960e-01, 2.1099e-01, 2.4671e-01,
865 2.8647e-01, 3.2996e-01, 3.7660e-01, 4.2547e-01,
866 4.7536e-01, 5.2473e-01, 5.7215e-01, 6.1632e-01,
867 6.5616e-01, 6.9075e-01, 7.1939e-01, 7.4199e-01,
868 7.5838e-01, 7.6848e-01, 7.7227e-01, 7.6848e-01,
869 7.5838e-01, 7.4199e-01, 7.1939e-01, 6.9075e-01,
870 6.5616e-01, 6.1632e-01, 5.7215e-01, 5.2473e-01,
871 4.7536e-01, 4.2547e-01, 3.7660e-01, 3.2996e-01,
872 2.8647e-01, 2.4671e-01, 2.1099e-01, 1.7960e-01,
873 1.5216e-01, 1.2841e-01, 1.0805e-01, 9.0739e-02,
874 7.6210e-02, 6.4039e-02, 5.3849e-02, 4.5335e-02,
875 3.8224e-02, 3.2293e-02, 2.7343e-02, 2.3167e-02,
877 {1.7224e-02, 2.0450e-02, 2.4286e-02, 2.8860e-02,
878 3.4357e-02, 4.0979e-02, 4.8966e-02, 5.8612e-02,
879 7.0253e-02, 8.4257e-02, 1.0102e-01, 1.2094e-01,
880 1.4442e-01, 1.7196e-01, 2.0381e-01, 2.4013e-01,
881 2.8093e-01, 3.2594e-01, 3.7450e-01, 4.2563e-01,
882 4.7796e-01, 5.2991e-01, 5.7974e-01, 6.2599e-01,
883 6.6750e-01, 7.0344e-01, 7.3329e-01, 7.5676e-01,
884 7.7371e-01, 7.8410e-01, 7.8793e-01, 7.8410e-01,
885 7.7371e-01, 7.5676e-01, 7.3329e-01, 7.0344e-01,
886 6.6750e-01, 6.2599e-01, 5.7974e-01, 5.2991e-01,
887 4.7796e-01, 4.2563e-01, 3.7450e-01, 3.2594e-01,
888 2.8093e-01, 2.4013e-01, 2.0381e-01, 1.7196e-01,
889 1.4442e-01, 1.2094e-01, 1.0102e-01, 8.4257e-02,
890 7.0253e-02, 5.8612e-02, 4.8966e-02, 4.0979e-02,
891 3.4357e-02, 2.8860e-02, 2.4286e-02, 2.0450e-02,
893 {1.5096e-02, 1.8041e-02, 2.1566e-02, 2.5793e-02,
894 3.0886e-02, 3.7044e-02, 4.4515e-02, 5.3604e-02,
895 6.4668e-02, 7.8109e-02, 9.4364e-02, 1.1389e-01,
896 1.3716e-01, 1.6461e-01, 1.9663e-01, 2.3350e-01,
897 2.7527e-01, 3.2170e-01, 3.7214e-01, 4.2549e-01,
898 4.8024e-01, 5.3460e-01, 5.8677e-01, 6.3512e-01,
899 6.7838e-01, 7.1569e-01, 7.4655e-01, 7.7071e-01,
900 7.8810e-01, 7.9871e-01, 8.0255e-01, 7.9871e-01,
901 7.8810e-01, 7.7071e-01, 7.4655e-01, 7.1569e-01,
902 6.7838e-01, 6.3512e-01, 5.8677e-01, 5.3460e-01,
903 4.8024e-01, 4.2549e-01, 3.7214e-01, 3.2170e-01,
904 2.7527e-01, 2.3350e-01, 1.9663e-01, 1.6461e-01,
905 1.3716e-01, 1.1389e-01, 9.4364e-02, 7.8109e-02,
906 6.4668e-02, 5.3604e-02, 4.4515e-02, 3.7044e-02,
907 3.0886e-02, 2.5793e-02, 2.1566e-02, 1.8041e-02,
910 // More sampling precision with linear interpolation
913 Float_t pad[kPRFbin];
914 Int_t sPRFbin = kPRFbin;
915 Float_t sPRFwid = (fPRFhi - fPRFlo) / ((Float_t) sPRFbin);
916 for (Int_t iPad = 0; iPad < sPRFbin; iPad++) {
917 pad[iPad] = ((Float_t) iPad + 0.5) * sPRFwid + fPRFlo;
920 fPRFwid = (fPRFhi - fPRFlo) / ((Float_t) fPRFbin);
921 fPRFpad = ((Int_t) (1.0 / fPRFwid));
923 if (fPRFsmp) delete [] fPRFsmp;
924 fPRFsmp = new Float_t[kNplan*fPRFbin];
930 for (Int_t iPla = 0; iPla < kNplan; iPla++) {
932 for (Int_t iBin = 0; iBin < fPRFbin; iBin++) {
934 Float_t bin = (((Float_t) iBin) + 0.5) * fPRFwid + fPRFlo;
938 diff = bin - pad[ipos2++];
939 } while ((diff > 0) && (ipos2 < kPRFbin));
940 if (ipos2 == kPRFbin) {
941 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
943 else if (ipos2 == 1) {
944 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2-1];
948 if (ipos2 >= kPRFbin) ipos2 = kPRFbin - 1;
950 fPRFsmp[iPla*fPRFbin+iBin] = prf[iPla][ipos2]
951 + diff * (prf[iPla][ipos2] - prf[iPla][ipos1])
960 //_____________________________________________________________________________
961 Int_t AliTRDcalibDB::PadResponse(Double_t signal, Double_t dist
962 , Int_t plane, Double_t *pad) const
965 // Applies the pad response
966 // So far this is the fixed parametrization and should be replaced by
967 // something dependent on calibration values
970 Int_t iBin = ((Int_t) (( - dist - fPRFlo) / fPRFwid));
971 Int_t iOff = plane * fPRFbin;
973 Int_t iBin0 = iBin - fPRFpad + iOff;
974 Int_t iBin1 = iBin + iOff;
975 Int_t iBin2 = iBin + fPRFpad + iOff;
980 if ((iBin1 >= 0) && (iBin1 < (fPRFbin*kNplan))) {
983 pad[0] = signal * fPRFsmp[iBin0];
985 pad[1] = signal * fPRFsmp[iBin1];
986 if (iBin2 < (fPRFbin*kNplan)) {
987 pad[2] = signal * fPRFsmp[iBin2];