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 //
26 ///////////////////////////////////////////////////////////////////////////////
30 #include <AliCDBManager.h>
32 #include "AliTRDcalibDB.h"
33 #include "AliTRDgeometry.h"
34 #include "AliTRDpadPlane.h"
35 #include "AliTRDCommonParam.h"
37 #include "Cal/AliTRDCalROC.h"
39 #include "Cal/AliTRDCalPad.h"
40 #include "Cal/AliTRDCalDet.h"
41 #include "Cal/AliTRDCalGlobals.h"
42 #include "Cal/AliTRDCalPIDLQ.h"
43 #include "Cal/AliTRDCalMonitoring.h"
45 #include "Cal/AliTRDCalSuperModuleStatus.h"
46 #include "Cal/AliTRDCalChamberStatus.h"
47 #include "Cal/AliTRDCalMCMStatus.h"
48 #include "Cal/AliTRDCalPadStatus.h"
49 #include "Cal/AliTRDCalSingleChamberStatus.h"
51 ClassImp(AliTRDcalibDB)
53 AliTRDcalibDB* AliTRDcalibDB::fgInstance = 0;
54 Bool_t AliTRDcalibDB::fgTerminated = kFALSE;
56 //_ singleton implementation __________________________________________________
57 AliTRDcalibDB* AliTRDcalibDB::Instance()
60 // Singleton implementation
61 // Returns an instance of this class, it is created if neccessary
64 if (fgTerminated != kFALSE)
68 fgInstance = new AliTRDcalibDB();
73 void AliTRDcalibDB::Terminate()
76 // Singleton implementation
77 // Deletes the instance of this class and sets the terminated flag, instances cannot be requested anymore
78 // This function can be called several times.
90 //_____________________________________________________________________________
91 AliTRDcalibDB::AliTRDcalibDB()
97 // TODO Default runnumber is set to 0, this should be changed later to an invalid value (e.g. -1) to prevent
98 // TODO invalid calibration data to be used.
101 fPadResponse.fPRFbin = 0;
102 fPadResponse.fPRFlo = 0.0;
103 fPadResponse.fPRFhi = 0.0;
104 fPadResponse.fPRFwid = 0.0;
105 fPadResponse.fPRFpad = 0;
106 fPadResponse.fPRFsmp = 0;
108 for (Int_t i=0; i<kCDBCacheSize; ++i)
114 // Create the sampled PRF
118 //_____________________________________________________________________________
119 AliTRDcalibDB::~AliTRDcalibDB()
125 if (fPadResponse.fPRFsmp) {
126 delete [] fPadResponse.fPRFsmp;
127 fPadResponse.fPRFsmp = 0;
133 //_caching functions____________________________________________________________
134 const TObject* AliTRDcalibDB::GetCachedCDBObject(Int_t id)
137 // Retrieves a cdb object with the given id. The objects are cached as long as the run number is not changed.
139 // Put together the available objects here by using the lines
140 // a) For usual calibration objects:
141 // ase kID<Name> : return CacheCDBEntry(kID<Name>, "TRD/Calib/<Path>"); break;
142 // See function CacheCDBEntry for details.
144 // b) For calibration data which depends on two objects: One containing a value per detector and one the local fluctuations per pad:
145 // case kID<Name> : return CacheMergeCDBEntry(kID<Name>, "TRD/Calib/<padPath>", "TRD/Calib/<chamberPath>"); break;
146 // See function CacheMergeCDBEntry for details.
151 // parameters defined per pad and chamber
152 case kIDVdriftPad : return CacheCDBEntry(kIDVdriftPad, "TRD/Calib/LocalVdrift"); break;
153 case kIDVdriftChamber : return CacheCDBEntry(kIDVdriftChamber, "TRD/Calib/ChamberVdrift"); break;
155 case kIDT0Pad : return CacheCDBEntry(kIDT0Pad, "TRD/Calib/LocalT0"); break;
156 case kIDT0Chamber : return CacheCDBEntry(kIDT0Chamber, "TRD/Calib/ChamberT0"); break;
158 case kIDGainFactorPad : return CacheCDBEntry(kIDGainFactorPad, "TRD/Calib/LocalGainFactor"); break;
159 case kIDGainFactorChamber : return CacheCDBEntry(kIDGainFactorChamber, "TRD/Calib/ChamberGainFactor"); break;
161 // parameters defined per pad
162 case kIDPRFWidth : return CacheCDBEntry(kIDPRFWidth, "TRD/Calib/PRFWidth"); break;
165 case kIDSuperModuleStatus : return CacheCDBEntry(kIDSuperModuleStatus, "TRD/Calib/SuperModuleStatus"); break;
166 case kIDChamberStatus : return CacheCDBEntry(kIDChamberStatus, "TRD/Calib/ChamberStatus"); break;
167 case kIDMCMStatus : return CacheCDBEntry(kIDMCMStatus, "TRD/Calib/MCMStatus"); break;
168 case kIDPadStatus : return CacheCDBEntry(kIDPadStatus, "TRD/Calib/PadStatus"); break;
171 case kIDMonitoringData : return CacheCDBEntry(kIDMonitoringData, "TRD/Calib/MonitoringData"); break;
172 case kIDGlobals : return CacheCDBEntry(kIDGlobals, "TRD/Calib/Globals"); break;
173 case kIDPIDLQ : return CacheCDBEntry(kIDPIDLQ, "TRD/Calib/PIDLQ"); break;
178 //_____________________________________________________________________________
179 AliCDBEntry* AliTRDcalibDB::GetCDBEntry(const char* cdbPath)
182 // Retrieves an entry with path <cdbPath> from the CDB.
185 AliCDBEntry* entry = AliCDBManager::Instance()->Get(cdbPath, fRun);
188 std::cerr << "AliTRDcalibDB: Failed to get entry: " << cdbPath << std::endl;
192 std::cout << "AliTRDcalibDB: Retrieved object: " << cdbPath << std::endl;
196 //_____________________________________________________________________________
197 const TObject* AliTRDcalibDB::CacheCDBEntry(Int_t id, const char* cdbPath)
200 // Caches the entry <id> with cdb path <cdbPath>
205 fCDBEntries[id] = GetCDBEntry(cdbPath);
207 fCDBCache[id] = fCDBEntries[id]->GetObject();
209 return fCDBCache[id];
212 //_____________________________________________________________________________
213 void AliTRDcalibDB::SetRun(Long64_t run)
216 // Sets current run number. Calibration data is read from the corresponding file.
217 // When the run number changes the caching is invalidated.
227 //_____________________________________________________________________________
228 void AliTRDcalibDB::Invalidate()
231 // Invalidates cache (when run number is changed).
234 for (Int_t i=0; i<kCDBCacheSize; ++i)
238 if (AliCDBManager::Instance()->GetCacheFlag() == kFALSE)
240 if (fCDBEntries[i]->IsOwner() == kFALSE && fCDBCache[i])
243 delete fCDBEntries[i];
251 //_____________________________________________________________________________
252 Float_t AliTRDcalibDB::GetVdrift(Int_t det, Int_t col, Int_t row)
255 // Returns the drift velocity for the given pad.
258 const AliTRDCalPad* calPad = dynamic_cast<const AliTRDCalPad*> (GetCachedCDBObject(kIDVdriftPad));
262 AliTRDCalROC* roc = calPad->GetCalROC(det);
266 const AliTRDCalDet* calChamber = dynamic_cast<const AliTRDCalDet*> (GetCachedCDBObject(kIDVdriftChamber));
270 return calChamber->GetValue(det) * roc->GetValue(col, row);
273 //_____________________________________________________________________________
274 Float_t AliTRDcalibDB::GetVdriftAverage(Int_t det)
277 // Returns the average drift velocity for the given detector
280 const AliTRDCalDet* calDet = dynamic_cast<const AliTRDCalDet*> (GetCachedCDBObject(kIDVdriftChamber));
284 return calDet->GetValue(det);
287 //_____________________________________________________________________________
288 Float_t AliTRDcalibDB::GetT0(Int_t det, Int_t col, Int_t row)
291 // Returns t0 for the given pad.
294 const AliTRDCalPad* calPad = dynamic_cast<const AliTRDCalPad*> (GetCachedCDBObject(kIDT0Pad));
298 AliTRDCalROC* roc = calPad->GetCalROC(det);
302 const AliTRDCalDet* calChamber = dynamic_cast<const AliTRDCalDet*> (GetCachedCDBObject(kIDT0Chamber));
306 return calChamber->GetValue(det) * roc->GetValue(col, row);
309 //_____________________________________________________________________________
310 Float_t AliTRDcalibDB::GetT0Average(Int_t det)
313 // Returns the average t0 for the given detector
316 const AliTRDCalDet* calDet = dynamic_cast<const AliTRDCalDet*> (GetCachedCDBObject(kIDT0Chamber));
320 return calDet->GetValue(det);
323 //_____________________________________________________________________________
324 Float_t AliTRDcalibDB::GetGainFactor(Int_t det, Int_t col, Int_t row)
327 // Returns the gain factor for the given pad.
330 const AliTRDCalPad* calPad = dynamic_cast<const AliTRDCalPad*> (GetCachedCDBObject(kIDGainFactorPad));
334 AliTRDCalROC* roc = calPad->GetCalROC(det);
338 const AliTRDCalDet* calChamber = dynamic_cast<const AliTRDCalDet*> (GetCachedCDBObject(kIDGainFactorChamber));
342 return calChamber->GetValue(det) * roc->GetValue(col, row);
345 //_____________________________________________________________________________
346 Float_t AliTRDcalibDB::GetGainFactorAverage(Int_t det)
349 // Returns the average gain factor for the given detector
352 const AliTRDCalDet* calDet = dynamic_cast<const AliTRDCalDet*> (GetCachedCDBObject(kIDGainFactorChamber));
356 return calDet->GetValue(det);
359 //_____________________________________________________________________________
360 Float_t AliTRDcalibDB::GetPRFWidth(Int_t det, Int_t col, Int_t row)
363 // Returns the PRF width for the given pad.
366 const AliTRDCalPad* calPad = dynamic_cast<const AliTRDCalPad*> (GetCachedCDBObject(kIDPRFWidth));
370 AliTRDCalROC* roc = calPad->GetCalROC(det);
374 return roc->GetValue(col, row);
377 //_____________________________________________________________________________
378 Float_t AliTRDcalibDB::GetSamplingFrequency()
381 // Returns the sampling frequency of the TRD read-out.
384 const AliTRDCalGlobals* calGlobal = dynamic_cast<const AliTRDCalGlobals*> (GetCachedCDBObject(kIDGlobals));
388 return calGlobal->GetSamplingFrequency();
391 //_____________________________________________________________________________
392 Int_t AliTRDcalibDB::GetNumberOfTimeBins()
395 // Returns the number of time bins which are read-out.
398 const AliTRDCalGlobals* calGlobal = dynamic_cast<const AliTRDCalGlobals*> (GetCachedCDBObject(kIDGlobals));
402 return calGlobal->GetNumberOfTimeBins();
405 //_____________________________________________________________________________
406 Char_t AliTRDcalibDB::GetPadStatus(Int_t det, Int_t col, Int_t row)
409 // Returns the status of the given pad
412 const AliTRDCalPadStatus* cal = dynamic_cast<const AliTRDCalPadStatus*> (GetCachedCDBObject(kIDPadStatus));
416 const AliTRDCalSingleChamberStatus* roc = cal->GetCalROC(det);
420 return roc->GetStatus(col, row);
423 //_____________________________________________________________________________
424 Char_t AliTRDcalibDB::GetMCMStatus(Int_t det, Int_t col, Int_t row)
427 // Returns the status of the given MCM
430 Int_t mcm = ((Int_t) col / 18);
432 const AliTRDCalMCMStatus* cal = dynamic_cast<const AliTRDCalMCMStatus*> (GetCachedCDBObject(kIDMCMStatus));
436 const AliTRDCalSingleChamberStatus* roc = cal->GetCalROC(det);
440 return roc->GetStatus(mcm, row);
443 //_____________________________________________________________________________
444 Char_t AliTRDcalibDB::GetChamberStatus(Int_t det)
447 // Returns the status of the given chamber
450 const AliTRDCalChamberStatus* cal = dynamic_cast<const AliTRDCalChamberStatus*> (GetCachedCDBObject(kIDChamberStatus));
454 return cal->GetStatus(det);
457 //_____________________________________________________________________________
458 Char_t AliTRDcalibDB::GetSuperModuleStatus(Int_t sm)
461 // Returns the status of the given chamber
464 const AliTRDCalSuperModuleStatus* cal = dynamic_cast<const AliTRDCalSuperModuleStatus*> (GetCachedCDBObject(kIDSuperModuleStatus));
468 return cal->GetStatus(sm);
471 //_____________________________________________________________________________
472 Bool_t AliTRDcalibDB::IsPadMasked(Int_t det, Int_t col, Int_t row)
475 // Returns status, see name of functions for details ;-)
478 const AliTRDCalPadStatus* cal = dynamic_cast<const AliTRDCalPadStatus*> (GetCachedCDBObject(kIDPadStatus));
482 return cal->IsMasked(det, col, row);
485 //_____________________________________________________________________________
486 Bool_t AliTRDcalibDB::IsPadBridgedLeft(Int_t det, Int_t col, Int_t row)
489 // Returns status, see name of functions for details ;-)
492 const AliTRDCalPadStatus* cal = dynamic_cast<const AliTRDCalPadStatus*> (GetCachedCDBObject(kIDPadStatus));
496 return cal->IsBridgedLeft(det, col, row);
499 //_____________________________________________________________________________
500 Bool_t AliTRDcalibDB::IsPadBridgedRight(Int_t det, Int_t col, Int_t row)
503 // Returns status, see name of functions for details ;-)
506 const AliTRDCalPadStatus* cal = dynamic_cast<const AliTRDCalPadStatus*> (GetCachedCDBObject(kIDPadStatus));
510 return cal->IsBridgedRight(det, col, row);
513 //_____________________________________________________________________________
514 Bool_t AliTRDcalibDB::IsMCMMasked(Int_t det, Int_t col, Int_t row)
517 // Returns status, see name of functions for details ;-)
520 const AliTRDCalMCMStatus* cal = dynamic_cast<const AliTRDCalMCMStatus*> (GetCachedCDBObject(kIDMCMStatus));
524 return cal->IsMasked(det, col, row);
527 //_____________________________________________________________________________
528 Bool_t AliTRDcalibDB::IsChamberInstalled(Int_t det)
531 // Returns status, see name of functions for details ;-)
534 const AliTRDCalChamberStatus* cal = dynamic_cast<const AliTRDCalChamberStatus*> (GetCachedCDBObject(kIDChamberStatus));
538 return cal->IsInstalled(det);
541 //_____________________________________________________________________________
542 Bool_t AliTRDcalibDB::IsChamberMasked(Int_t det)
545 // Returns status, see name of functions for details ;-)
548 const AliTRDCalChamberStatus* cal = dynamic_cast<const AliTRDCalChamberStatus*> (GetCachedCDBObject(kIDChamberStatus));
552 return cal->IsMasked(det);
555 //_____________________________________________________________________________
556 Bool_t AliTRDcalibDB::IsSuperModuleInstalled(Int_t det)
559 // Returns status, see name of functions for details ;-)
562 const AliTRDCalSuperModuleStatus* cal = dynamic_cast<const AliTRDCalSuperModuleStatus*> (GetCachedCDBObject(kIDSuperModuleStatus));
566 return cal->IsInstalled(det);
569 //_____________________________________________________________________________
570 Bool_t AliTRDcalibDB::IsSuperModuleMasked(Int_t det)
573 // Returns status, see name of functions for details ;-)
576 const AliTRDCalSuperModuleStatus* cal = dynamic_cast<const AliTRDCalSuperModuleStatus*> (GetCachedCDBObject(kIDSuperModuleStatus));
580 return cal->IsMasked(det);
583 //_____________________________________________________________________________
584 const AliTRDCalPIDLQ* AliTRDcalibDB::GetPIDLQObject()
587 // Returns the object storing the distributions for PID with likelihood
590 return dynamic_cast<const AliTRDCalPIDLQ*> (GetCachedCDBObject(kIDPIDLQ));
593 //_____________________________________________________________________________
594 const AliTRDCalMonitoring* AliTRDcalibDB::GetMonitoringObject()
597 // Returns the object storing the monitoring data
600 return dynamic_cast<const AliTRDCalMonitoring*> (GetCachedCDBObject(kIDMonitoringData));
603 //_____________________________________________________________________________
604 Float_t AliTRDcalibDB::GetOmegaTau(Float_t vdrift)
607 // Returns omega*tau (tan(Lorentz-angle)) for a given drift velocity <vd>
608 // and a B-field <b> for Xe/CO2 (15%).
609 // The values are according to a GARFIELD simulation.
611 // This function basically does not belong to the calibration class. It should be moved somewhere else.
612 // However, currently it is in use by simulation and reconstruction.
615 AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
618 Float_t fieldAbs = TMath::Abs(commonParam->GetField());
619 Float_t fieldSgn = 1.0;
620 if (fieldAbs > 0.0) {
621 fieldSgn = commonParam->GetField() / fieldAbs;
625 Float_t p0[kNb] = { 0.004810, 0.007412, 0.010252, 0.013409, 0.016888 };
626 Float_t p1[kNb] = { 0.054875, 0.081534, 0.107333, 0.131983, 0.155455 };
627 Float_t p2[kNb] = { -0.008682, -0.012896, -0.016987, -0.020880, -0.024623 };
628 Float_t p3[kNb] = { 0.000155, 0.000238, 0.000330, 0.000428, 0.000541 };
630 Int_t ib = ((Int_t) (10 * (fieldAbs - 0.15)));
631 ib = TMath::Max( 0,ib);
632 ib = TMath::Min(kNb,ib);
634 Float_t alphaL = p0[ib]
636 + p2[ib] * vdrift*vdrift
637 + p3[ib] * vdrift*vdrift*vdrift;
639 return TMath::Tan(fieldSgn * alphaL);
643 //_____________________________________________________________________________
644 void AliTRDcalibDB::SamplePRF()
647 // Samples the pad response function
650 const Int_t kPRFbin = 61;
652 Float_t prf[kNplan][kPRFbin] = { {2.9037e-02, 3.3608e-02, 3.9020e-02, 4.5292e-02,
653 5.2694e-02, 6.1362e-02, 7.1461e-02, 8.3362e-02,
654 9.7063e-02, 1.1307e-01, 1.3140e-01, 1.5235e-01,
655 1.7623e-01, 2.0290e-01, 2.3294e-01, 2.6586e-01,
656 3.0177e-01, 3.4028e-01, 3.8077e-01, 4.2267e-01,
657 4.6493e-01, 5.0657e-01, 5.4655e-01, 5.8397e-01,
658 6.1767e-01, 6.4744e-01, 6.7212e-01, 6.9188e-01,
659 7.0627e-01, 7.1499e-01, 7.1851e-01, 7.1499e-01,
660 7.0627e-01, 6.9188e-01, 6.7212e-01, 6.4744e-01,
661 6.1767e-01, 5.8397e-01, 5.4655e-01, 5.0657e-01,
662 4.6493e-01, 4.2267e-01, 3.8077e-01, 3.4028e-01,
663 3.0177e-01, 2.6586e-01, 2.3294e-01, 2.0290e-01,
664 1.7623e-01, 1.5235e-01, 1.3140e-01, 1.1307e-01,
665 9.7063e-02, 8.3362e-02, 7.1461e-02, 6.1362e-02,
666 5.2694e-02, 4.5292e-02, 3.9020e-02, 3.3608e-02,
668 {2.5478e-02, 2.9695e-02, 3.4655e-02, 4.0454e-02,
669 4.7342e-02, 5.5487e-02, 6.5038e-02, 7.6378e-02,
670 8.9696e-02, 1.0516e-01, 1.2327e-01, 1.4415e-01,
671 1.6794e-01, 1.9516e-01, 2.2573e-01, 2.5959e-01,
672 2.9694e-01, 3.3719e-01, 3.7978e-01, 4.2407e-01,
673 4.6889e-01, 5.1322e-01, 5.5569e-01, 5.9535e-01,
674 6.3141e-01, 6.6259e-01, 6.8882e-01, 7.0983e-01,
675 7.2471e-01, 7.3398e-01, 7.3761e-01, 7.3398e-01,
676 7.2471e-01, 7.0983e-01, 6.8882e-01, 6.6259e-01,
677 6.3141e-01, 5.9535e-01, 5.5569e-01, 5.1322e-01,
678 4.6889e-01, 4.2407e-01, 3.7978e-01, 3.3719e-01,
679 2.9694e-01, 2.5959e-01, 2.2573e-01, 1.9516e-01,
680 1.6794e-01, 1.4415e-01, 1.2327e-01, 1.0516e-01,
681 8.9696e-02, 7.6378e-02, 6.5038e-02, 5.5487e-02,
682 4.7342e-02, 4.0454e-02, 3.4655e-02, 2.9695e-02,
684 {2.2363e-02, 2.6233e-02, 3.0782e-02, 3.6140e-02,
685 4.2535e-02, 5.0157e-02, 5.9197e-02, 6.9900e-02,
686 8.2707e-02, 9.7811e-02, 1.1548e-01, 1.3601e-01,
687 1.5998e-01, 1.8739e-01, 2.1840e-01, 2.5318e-01,
688 2.9182e-01, 3.3373e-01, 3.7837e-01, 4.2498e-01,
689 4.7235e-01, 5.1918e-01, 5.6426e-01, 6.0621e-01,
690 6.4399e-01, 6.7700e-01, 7.0472e-01, 7.2637e-01,
691 7.4206e-01, 7.5179e-01, 7.5551e-01, 7.5179e-01,
692 7.4206e-01, 7.2637e-01, 7.0472e-01, 6.7700e-01,
693 6.4399e-01, 6.0621e-01, 5.6426e-01, 5.1918e-01,
694 4.7235e-01, 4.2498e-01, 3.7837e-01, 3.3373e-01,
695 2.9182e-01, 2.5318e-01, 2.1840e-01, 1.8739e-01,
696 1.5998e-01, 1.3601e-01, 1.1548e-01, 9.7811e-02,
697 8.2707e-02, 6.9900e-02, 5.9197e-02, 5.0157e-02,
698 4.2535e-02, 3.6140e-02, 3.0782e-02, 2.6233e-02,
700 {1.9635e-02, 2.3167e-02, 2.7343e-02, 3.2293e-02,
701 3.8224e-02, 4.5335e-02, 5.3849e-02, 6.4039e-02,
702 7.6210e-02, 9.0739e-02, 1.0805e-01, 1.2841e-01,
703 1.5216e-01, 1.7960e-01, 2.1099e-01, 2.4671e-01,
704 2.8647e-01, 3.2996e-01, 3.7660e-01, 4.2547e-01,
705 4.7536e-01, 5.2473e-01, 5.7215e-01, 6.1632e-01,
706 6.5616e-01, 6.9075e-01, 7.1939e-01, 7.4199e-01,
707 7.5838e-01, 7.6848e-01, 7.7227e-01, 7.6848e-01,
708 7.5838e-01, 7.4199e-01, 7.1939e-01, 6.9075e-01,
709 6.5616e-01, 6.1632e-01, 5.7215e-01, 5.2473e-01,
710 4.7536e-01, 4.2547e-01, 3.7660e-01, 3.2996e-01,
711 2.8647e-01, 2.4671e-01, 2.1099e-01, 1.7960e-01,
712 1.5216e-01, 1.2841e-01, 1.0805e-01, 9.0739e-02,
713 7.6210e-02, 6.4039e-02, 5.3849e-02, 4.5335e-02,
714 3.8224e-02, 3.2293e-02, 2.7343e-02, 2.3167e-02,
716 {1.7224e-02, 2.0450e-02, 2.4286e-02, 2.8860e-02,
717 3.4357e-02, 4.0979e-02, 4.8966e-02, 5.8612e-02,
718 7.0253e-02, 8.4257e-02, 1.0102e-01, 1.2094e-01,
719 1.4442e-01, 1.7196e-01, 2.0381e-01, 2.4013e-01,
720 2.8093e-01, 3.2594e-01, 3.7450e-01, 4.2563e-01,
721 4.7796e-01, 5.2991e-01, 5.7974e-01, 6.2599e-01,
722 6.6750e-01, 7.0344e-01, 7.3329e-01, 7.5676e-01,
723 7.7371e-01, 7.8410e-01, 7.8793e-01, 7.8410e-01,
724 7.7371e-01, 7.5676e-01, 7.3329e-01, 7.0344e-01,
725 6.6750e-01, 6.2599e-01, 5.7974e-01, 5.2991e-01,
726 4.7796e-01, 4.2563e-01, 3.7450e-01, 3.2594e-01,
727 2.8093e-01, 2.4013e-01, 2.0381e-01, 1.7196e-01,
728 1.4442e-01, 1.2094e-01, 1.0102e-01, 8.4257e-02,
729 7.0253e-02, 5.8612e-02, 4.8966e-02, 4.0979e-02,
730 3.4357e-02, 2.8860e-02, 2.4286e-02, 2.0450e-02,
732 {1.5096e-02, 1.8041e-02, 2.1566e-02, 2.5793e-02,
733 3.0886e-02, 3.7044e-02, 4.4515e-02, 5.3604e-02,
734 6.4668e-02, 7.8109e-02, 9.4364e-02, 1.1389e-01,
735 1.3716e-01, 1.6461e-01, 1.9663e-01, 2.3350e-01,
736 2.7527e-01, 3.2170e-01, 3.7214e-01, 4.2549e-01,
737 4.8024e-01, 5.3460e-01, 5.8677e-01, 6.3512e-01,
738 6.7838e-01, 7.1569e-01, 7.4655e-01, 7.7071e-01,
739 7.8810e-01, 7.9871e-01, 8.0255e-01, 7.9871e-01,
740 7.8810e-01, 7.7071e-01, 7.4655e-01, 7.1569e-01,
741 6.7838e-01, 6.3512e-01, 5.8677e-01, 5.3460e-01,
742 4.8024e-01, 4.2549e-01, 3.7214e-01, 3.2170e-01,
743 2.7527e-01, 2.3350e-01, 1.9663e-01, 1.6461e-01,
744 1.3716e-01, 1.1389e-01, 9.4364e-02, 7.8109e-02,
745 6.4668e-02, 5.3604e-02, 4.4515e-02, 3.7044e-02,
746 3.0886e-02, 2.5793e-02, 2.1566e-02, 1.8041e-02,
749 // More sampling precision with linear interpolation
750 fPadResponse.fPRFlo = -1.5;
751 fPadResponse.fPRFhi = 1.5;
752 Float_t pad[kPRFbin];
753 Int_t sPRFbin = kPRFbin;
754 Float_t sPRFwid = (fPadResponse.fPRFhi - fPadResponse.fPRFlo) / ((Float_t) sPRFbin);
755 for (Int_t iPad = 0; iPad < sPRFbin; iPad++) {
756 pad[iPad] = ((Float_t) iPad + 0.5) * sPRFwid + fPadResponse.fPRFlo;
758 fPadResponse.fPRFbin = 500;
759 fPadResponse.fPRFwid = (fPadResponse.fPRFhi - fPadResponse.fPRFlo) / ((Float_t) fPadResponse.fPRFbin);
760 fPadResponse.fPRFpad = ((Int_t) (1.0 / fPadResponse.fPRFwid));
762 if (fPadResponse.fPRFsmp) delete [] fPadResponse.fPRFsmp;
763 fPadResponse.fPRFsmp = new Float_t[kNplan*fPadResponse.fPRFbin];
769 for (Int_t iPla = 0; iPla < kNplan; iPla++) {
771 for (Int_t iBin = 0; iBin < fPadResponse.fPRFbin; iBin++) {
773 Float_t bin = (((Float_t) iBin) + 0.5) * fPadResponse.fPRFwid + fPadResponse.fPRFlo;
777 diff = bin - pad[ipos2++];
778 } while ((diff > 0) && (ipos2 < kPRFbin));
779 if (ipos2 == kPRFbin) {
780 fPadResponse.fPRFsmp[iPla*fPadResponse.fPRFbin+iBin] = prf[iPla][ipos2-1];
782 else if (ipos2 == 1) {
783 fPadResponse.fPRFsmp[iPla*fPadResponse.fPRFbin+iBin] = prf[iPla][ipos2-1];
787 if (ipos2 >= kPRFbin) ipos2 = kPRFbin - 1;
789 fPadResponse.fPRFsmp[iPla*fPadResponse.fPRFbin+iBin] = prf[iPla][ipos2]
790 + diff * (prf[iPla][ipos2] - prf[iPla][ipos1])
799 //_____________________________________________________________________________
800 Int_t AliTRDcalibDB::PadResponse(Double_t signal, Double_t dist
801 , Int_t plane, Double_t *pad) const
804 // Applies the pad response
807 Int_t iBin = ((Int_t) (( - dist - fPadResponse.fPRFlo) / fPadResponse.fPRFwid));
808 Int_t iOff = plane * fPadResponse.fPRFbin;
810 Int_t iBin0 = iBin - fPadResponse.fPRFpad + iOff;
811 Int_t iBin1 = iBin + iOff;
812 Int_t iBin2 = iBin + fPadResponse.fPRFpad + iOff;
817 if ((iBin1 >= 0) && (iBin1 < (fPadResponse.fPRFbin*kNplan))) {
820 pad[0] = signal * fPadResponse.fPRFsmp[iBin0];
822 pad[1] = signal * fPadResponse.fPRFsmp[iBin1];
823 if (iBin2 < (fPadResponse.fPRFbin*kNplan)) {
824 pad[2] = signal * fPadResponse.fPRFsmp[iBin2];