Getters declared const (Jan-Fiete)
[u/mrichter/AliRoot.git] / TRD / AliTRDcalibDB.cxx
CommitLineData
3551db50 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/* $Id$ */
17
18///////////////////////////////////////////////////////////////////////////////
19// //
20// Class providing the calibration parameters by accessing the CDB //
21// //
22// Request an instance with AliTRDcalibDB::Instance() //
23// If a new event is processed set the event number with SetRun //
24// Then request the calibration data //
25// //
26///////////////////////////////////////////////////////////////////////////////
27
28#include <TRandom.h>
29
30#include <AliCDBManager.h>
31
32#include "AliTRDcalibDB.h"
33#include "AliTRDgeometry.h"
34#include "AliTRDpadPlane.h"
35#include "AliTRDCommonParam.h"
36
37#include "AliTRDCalROC.h"
cc7cef99 38#include "AliTRDCalChamberPos.h"
39#include "AliTRDCalStackPos.h"
3551db50 40#include "AliTRDCalPad.h"
41#include "AliTRDCalDet.h"
42#include "AliTRDCalGlobals.h"
cc7cef99 43#include "AliTRDCalPIDLQ.h"
3551db50 44
45ClassImp(AliTRDcalibDB)
46
47AliTRDcalibDB* AliTRDcalibDB::fgInstance = 0;
48Bool_t AliTRDcalibDB::fgTerminated = kFALSE;
49
50//_ singleton implementation __________________________________________________
51AliTRDcalibDB* AliTRDcalibDB::Instance()
52{
53 //
54 // Singleton implementation
55 // Returns an instance of this class, it is created if neccessary
56 //
57
58 if (fgTerminated != kFALSE)
59 return 0;
60
61 if (fgInstance == 0)
62 fgInstance = new AliTRDcalibDB();
63
64 return fgInstance;
65}
66
67void AliTRDcalibDB::Terminate()
68{
69 //
70 // Singleton implementation
71 // Deletes the instance of this class and sets the terminated flag, instances cannot be requested anymore
72 // This function can be called several times.
73 //
74
75 fgTerminated = kTRUE;
76
77 if (fgInstance != 0)
78 {
79 delete fgInstance;
80 fgInstance = 0;
81 }
82}
83
84//_____________________________________________________________________________
85AliTRDcalibDB::AliTRDcalibDB()
86{
87 //
88 // constructor
89 //
90
3551db50 91 // TODO Default runnumber is set to 0, this should be changed later to an invalid value (e.g. -1) to prevent
92 // TODO invalid calibration data to be used.
93 fRun = 0;
94
6a739e92 95 fPadResponse.fPRFbin = 0;
96 fPadResponse.fPRFlo = 0.0;
97 fPadResponse.fPRFhi = 0.0;
98 fPadResponse.fPRFwid = 0.0;
99 fPadResponse.fPRFpad = 0;
100 fPadResponse.fPRFsmp = 0;
101
3551db50 102 AliCDBManager* manager = AliCDBManager::Instance();
103 if (!manager)
104 {
6a739e92 105 std::cout << "AliTRDcalibDB: CRITICAL: Failed to get instance of AliCDBManager." << std::endl;
106 fLocator = 0;
3551db50 107 }
6a739e92 108 else
109 fLocator = manager->GetStorage("local://$ALICE_ROOT");
3551db50 110
111 for (Int_t i=0; i<kCDBCacheSize; ++i)
112 {
113 fCDBCache[i] = 0;
114 fCDBEntries[i] = 0;
115 }
6a739e92 116
117 // Create the sampled PRF
118 SamplePRF();
acba9bad 119}
3551db50 120
121//_____________________________________________________________________________
122AliTRDcalibDB::~AliTRDcalibDB()
123{
124 //
125 // destructor
126 //
127
6a739e92 128 if (fPadResponse.fPRFsmp) {
129 delete [] fPadResponse.fPRFsmp;
130 fPadResponse.fPRFsmp = 0;
131 }
132
3551db50 133 Invalidate();
acba9bad 134}
3551db50 135
136//_____________________________________________________________________________
137void AliTRDcalibDB::SetRun(Long64_t run)
138{
139 //
140 // Sets current run number. Calibration data is read from the corresponding file.
141 // When the run number changes the caching is invalidated.
142 //
143
144 if (fRun == run)
145 return;
146
147 fRun = run;
148 Invalidate();
149}
150
151//_____________________________________________________________________________
152void AliTRDcalibDB::Invalidate()
153{
154 //
155 // Invalidates cache (when run number is changed).
156 //
157
158 for (Int_t i=0; i<kCDBCacheSize; ++i)
159 {
160 if (fCDBEntries[i])
161 {
dde59437 162 if (fCDBEntries[i]->IsOwner() == kFALSE && fCDBCache[i])
3551db50 163 delete fCDBCache[i];
dde59437 164
3551db50 165 delete fCDBEntries[i];
166 fCDBEntries[i] = 0;
167 fCDBCache[i] = 0;
168 }
169 }
170}
171
172//_____________________________________________________________________________
173Bool_t AliTRDcalibDB::GetChamberPos(Int_t det, Float_t* xyz)
174{
175 //
176 // Returns the deviation of the chamber position from the nominal position.
177 //
178
cc7cef99 179 AliTRDCalChamberPos* chamber = dynamic_cast<AliTRDCalChamberPos*>(GetCachedCDBObject(kIDChamber));
3551db50 180 if (!chamber)
181 return kFALSE;
182
183 const Float_t* kvalues = chamber->GetChamberPos(det);
184 if (!kvalues)
185 return kFALSE;
186
187 xyz[0] = kvalues[0];
188 xyz[1] = kvalues[1];
189 xyz[2] = kvalues[2];
190
191 return kTRUE;
192}
193
194//_____________________________________________________________________________
195Bool_t AliTRDcalibDB::GetChamberRot(Int_t det, Float_t* xyz)
196{
197 //
198 // Returns the rotation of the chamber from the nominal position.
199 //
200
cc7cef99 201 AliTRDCalChamberPos* chamber = dynamic_cast<AliTRDCalChamberPos*>(GetCachedCDBObject(kIDChamber));
3551db50 202 if (!chamber)
203 return kFALSE;
204
205 const Float_t* kvalues = chamber->GetChamberRot(det);
206 if (!kvalues)
207 return kFALSE;
208
209 xyz[0] = kvalues[0];
210 xyz[1] = kvalues[1];
211 xyz[2] = kvalues[2];
212
213 return kTRUE;
214}
215
216//_____________________________________________________________________________
217Bool_t AliTRDcalibDB::GetStackPos(Int_t chamber, Int_t sector, Float_t* xyz)
218{
219 //
220 // Returns the deviation of the stack position from the nominal position.
221 //
222
cc7cef99 223 AliTRDCalStackPos* stack = dynamic_cast<AliTRDCalStackPos*>(GetCachedCDBObject(kIDStack));
3551db50 224 if (!stack)
225 return kFALSE;
226
227 const Float_t* kvalues = stack->GetStackPos(chamber, sector);
228 if (!kvalues)
229 return kFALSE;
230
231 xyz[0] = kvalues[0];
232 xyz[1] = kvalues[1];
233 xyz[2] = kvalues[2];
234
235 return kTRUE;
236}
237
238//_____________________________________________________________________________
239Bool_t AliTRDcalibDB::GetStackRot(Int_t chamber, Int_t sector, Float_t* xyz)
240{
241 //
242 // Returns the rotation of the stack from the nominal position.
243 //
244
cc7cef99 245 AliTRDCalStackPos* stack = dynamic_cast<AliTRDCalStackPos*>(GetCachedCDBObject(kIDStack));
3551db50 246 if (!stack)
247 return kFALSE;
248
249 const Float_t* kvalues = stack->GetStackRot(chamber, sector);
250 if (!kvalues)
251 return kFALSE;
252
253 xyz[0] = kvalues[0];
254 xyz[1] = kvalues[1];
255 xyz[2] = kvalues[2];
256
257 return kTRUE;
258}
259
260//_____________________________________________________________________________
261Float_t AliTRDcalibDB::GetVdrift(Int_t det, Int_t col, Int_t row)
262{
263 //
264 // Returns the drift velocity for the given pad.
265 //
266
267 AliTRDCalPad* calPad = dynamic_cast<AliTRDCalPad*> (GetCachedCDBObject(kIDVdrift));
268 if (!calPad)
269 return -1;
270
271 AliTRDCalROC* roc = calPad->GetCalROC(det);
272 if (!roc)
273 return -1;
274
275 return roc->GetValue(col, row);
acba9bad 276}
3551db50 277
278//_____________________________________________________________________________
279Float_t AliTRDcalibDB::GetT0(Int_t det, Int_t col, Int_t row)
280{
281 //
282 // Returns t0 for the given pad.
283 //
284
285 AliTRDCalPad* calPad = dynamic_cast<AliTRDCalPad*> (GetCachedCDBObject(kIDT0));
286 if (!calPad)
287 return -1;
288
289 AliTRDCalROC* roc = calPad->GetCalROC(det);
290 if (!roc)
291 return -1;
292
293 return roc->GetValue(col, row);
acba9bad 294}
3551db50 295
296//_____________________________________________________________________________
297Float_t AliTRDcalibDB::GetGainFactor(Int_t det, Int_t col, Int_t row)
298{
299 //
300 // Returns the gain factor for the given pad.
301 //
302
303 AliTRDCalPad* calPad = dynamic_cast<AliTRDCalPad*> (GetCachedCDBObject(kIDGainFactor));
304 if (!calPad)
305 return -1;
306
307 AliTRDCalROC* roc = calPad->GetCalROC(det);
308 if (!roc)
309 return -1;
310
311 return roc->GetValue(col, row);
acba9bad 312}
6a739e92 313
314//_____________________________________________________________________________
315Float_t AliTRDcalibDB::GetPRFWidth(Int_t det, Int_t col, Int_t row)
316{
317 //
318 // Returns the PRF width for the given pad.
319 //
320
321 AliTRDCalPad* calPad = dynamic_cast<AliTRDCalPad*> (GetCachedCDBObject(kIDPRFWidth));
322 if (!calPad)
323 return -1;
324
325 AliTRDCalROC* roc = calPad->GetCalROC(det);
326 if (!roc)
327 return -1;
328
329 return roc->GetValue(col, row);
acba9bad 330}
3551db50 331
332//_____________________________________________________________________________
333Float_t AliTRDcalibDB::GetSamplingFrequency()
334{
335 //
336 // Returns the sampling frequency of the TRD read-out.
337 //
338
339 AliTRDCalGlobals* calGlobal = dynamic_cast<AliTRDCalGlobals*> (GetCachedCDBObject(kIDGlobals));
340 if (!calGlobal)
341 return -1;
342
343 return calGlobal->GetSamplingFrequency();
344}
345
346//_____________________________________________________________________________
347Int_t AliTRDcalibDB::GetNumberOfTimeBins()
348{
349 //
350 // Returns the number of time bins which are read-out.
351 //
352
353 AliTRDCalGlobals* calGlobal = dynamic_cast<AliTRDCalGlobals*> (GetCachedCDBObject(kIDGlobals));
354 if (!calGlobal)
355 return -1;
356
357 return calGlobal->GetNumberOfTimeBins();
358}
359
cc7cef99 360//_____________________________________________________________________________
361AliTRDCalPIDLQ* AliTRDcalibDB::GetPIDLQObject()
362{
363 //
364 // Returns the object storing the distributions for PID with likelihood
365 //
366
367 // FAKE
368 /*AliTRDCalPIDLQ* pid = new AliTRDCalPIDLQ();
369 pid->ReadData("$ALICE_ROOT/TRD/TRDdEdxHistogramsV1.root");
370 return pid;*/
371
372 // TODO due to a bug in the CDB this does not work yet
373 return dynamic_cast<AliTRDCalPIDLQ*> (GetCachedCDBObject(kIDPIDLQ));
374}
375
3551db50 376//_____________________________________________________________________________
377Float_t AliTRDcalibDB::GetOmegaTau(Float_t vdrift)
378{
379 //
380 // Returns omega*tau (tan(Lorentz-angle)) for a given drift velocity <vd>
381 // and a B-field <b> for Xe/CO2 (15%).
382 // The values are according to a GARFIELD simulation.
383 //
384 // This function basically does not belong to the calibration class. It should be moved somewhere else.
385 // However, currently it is in use by simulation and reconstruction.
386 //
387
388 AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
389 if (!commonParam)
390 return -1;
391 Float_t field = commonParam->GetField();
392
393 const Int_t kNb = 5;
394 Float_t p0[kNb] = { 0.004810, 0.007412, 0.010252, 0.013409, 0.016888 };
395 Float_t p1[kNb] = { 0.054875, 0.081534, 0.107333, 0.131983, 0.155455 };
396 Float_t p2[kNb] = { -0.008682, -0.012896, -0.016987, -0.020880, -0.024623 };
397 Float_t p3[kNb] = { 0.000155, 0.000238, 0.000330, 0.000428, 0.000541 };
398
399 Int_t ib = ((Int_t) (10 * (field - 0.15)));
400 ib = TMath::Max( 0,ib);
401 ib = TMath::Min(kNb,ib);
402
403 Float_t alphaL = p0[ib]
404 + p1[ib] * vdrift
405 + p2[ib] * vdrift*vdrift
406 + p3[ib] * vdrift*vdrift*vdrift;
407
408 return TMath::Tan(alphaL);
6a739e92 409}
410
411//_____________________________________________________________________________
412void AliTRDcalibDB::SamplePRF()
413{
414 //
415 // Samples the pad response function
416 //
417
418 const Int_t kPRFbin = 61;
419
420 Float_t prf[kNplan][kPRFbin] = { {2.9037e-02, 3.3608e-02, 3.9020e-02, 4.5292e-02,
421 5.2694e-02, 6.1362e-02, 7.1461e-02, 8.3362e-02,
422 9.7063e-02, 1.1307e-01, 1.3140e-01, 1.5235e-01,
423 1.7623e-01, 2.0290e-01, 2.3294e-01, 2.6586e-01,
424 3.0177e-01, 3.4028e-01, 3.8077e-01, 4.2267e-01,
425 4.6493e-01, 5.0657e-01, 5.4655e-01, 5.8397e-01,
426 6.1767e-01, 6.4744e-01, 6.7212e-01, 6.9188e-01,
427 7.0627e-01, 7.1499e-01, 7.1851e-01, 7.1499e-01,
428 7.0627e-01, 6.9188e-01, 6.7212e-01, 6.4744e-01,
429 6.1767e-01, 5.8397e-01, 5.4655e-01, 5.0657e-01,
430 4.6493e-01, 4.2267e-01, 3.8077e-01, 3.4028e-01,
431 3.0177e-01, 2.6586e-01, 2.3294e-01, 2.0290e-01,
432 1.7623e-01, 1.5235e-01, 1.3140e-01, 1.1307e-01,
433 9.7063e-02, 8.3362e-02, 7.1461e-02, 6.1362e-02,
434 5.2694e-02, 4.5292e-02, 3.9020e-02, 3.3608e-02,
435 2.9037e-02},
436 {2.5478e-02, 2.9695e-02, 3.4655e-02, 4.0454e-02,
437 4.7342e-02, 5.5487e-02, 6.5038e-02, 7.6378e-02,
438 8.9696e-02, 1.0516e-01, 1.2327e-01, 1.4415e-01,
439 1.6794e-01, 1.9516e-01, 2.2573e-01, 2.5959e-01,
440 2.9694e-01, 3.3719e-01, 3.7978e-01, 4.2407e-01,
441 4.6889e-01, 5.1322e-01, 5.5569e-01, 5.9535e-01,
442 6.3141e-01, 6.6259e-01, 6.8882e-01, 7.0983e-01,
443 7.2471e-01, 7.3398e-01, 7.3761e-01, 7.3398e-01,
444 7.2471e-01, 7.0983e-01, 6.8882e-01, 6.6259e-01,
445 6.3141e-01, 5.9535e-01, 5.5569e-01, 5.1322e-01,
446 4.6889e-01, 4.2407e-01, 3.7978e-01, 3.3719e-01,
447 2.9694e-01, 2.5959e-01, 2.2573e-01, 1.9516e-01,
448 1.6794e-01, 1.4415e-01, 1.2327e-01, 1.0516e-01,
449 8.9696e-02, 7.6378e-02, 6.5038e-02, 5.5487e-02,
450 4.7342e-02, 4.0454e-02, 3.4655e-02, 2.9695e-02,
451 2.5478e-02},
452 {2.2363e-02, 2.6233e-02, 3.0782e-02, 3.6140e-02,
453 4.2535e-02, 5.0157e-02, 5.9197e-02, 6.9900e-02,
454 8.2707e-02, 9.7811e-02, 1.1548e-01, 1.3601e-01,
455 1.5998e-01, 1.8739e-01, 2.1840e-01, 2.5318e-01,
456 2.9182e-01, 3.3373e-01, 3.7837e-01, 4.2498e-01,
457 4.7235e-01, 5.1918e-01, 5.6426e-01, 6.0621e-01,
458 6.4399e-01, 6.7700e-01, 7.0472e-01, 7.2637e-01,
459 7.4206e-01, 7.5179e-01, 7.5551e-01, 7.5179e-01,
460 7.4206e-01, 7.2637e-01, 7.0472e-01, 6.7700e-01,
461 6.4399e-01, 6.0621e-01, 5.6426e-01, 5.1918e-01,
462 4.7235e-01, 4.2498e-01, 3.7837e-01, 3.3373e-01,
463 2.9182e-01, 2.5318e-01, 2.1840e-01, 1.8739e-01,
464 1.5998e-01, 1.3601e-01, 1.1548e-01, 9.7811e-02,
465 8.2707e-02, 6.9900e-02, 5.9197e-02, 5.0157e-02,
466 4.2535e-02, 3.6140e-02, 3.0782e-02, 2.6233e-02,
467 2.2363e-02},
468 {1.9635e-02, 2.3167e-02, 2.7343e-02, 3.2293e-02,
469 3.8224e-02, 4.5335e-02, 5.3849e-02, 6.4039e-02,
470 7.6210e-02, 9.0739e-02, 1.0805e-01, 1.2841e-01,
471 1.5216e-01, 1.7960e-01, 2.1099e-01, 2.4671e-01,
472 2.8647e-01, 3.2996e-01, 3.7660e-01, 4.2547e-01,
473 4.7536e-01, 5.2473e-01, 5.7215e-01, 6.1632e-01,
474 6.5616e-01, 6.9075e-01, 7.1939e-01, 7.4199e-01,
475 7.5838e-01, 7.6848e-01, 7.7227e-01, 7.6848e-01,
476 7.5838e-01, 7.4199e-01, 7.1939e-01, 6.9075e-01,
477 6.5616e-01, 6.1632e-01, 5.7215e-01, 5.2473e-01,
478 4.7536e-01, 4.2547e-01, 3.7660e-01, 3.2996e-01,
479 2.8647e-01, 2.4671e-01, 2.1099e-01, 1.7960e-01,
480 1.5216e-01, 1.2841e-01, 1.0805e-01, 9.0739e-02,
481 7.6210e-02, 6.4039e-02, 5.3849e-02, 4.5335e-02,
482 3.8224e-02, 3.2293e-02, 2.7343e-02, 2.3167e-02,
483 1.9635e-02},
484 {1.7224e-02, 2.0450e-02, 2.4286e-02, 2.8860e-02,
485 3.4357e-02, 4.0979e-02, 4.8966e-02, 5.8612e-02,
486 7.0253e-02, 8.4257e-02, 1.0102e-01, 1.2094e-01,
487 1.4442e-01, 1.7196e-01, 2.0381e-01, 2.4013e-01,
488 2.8093e-01, 3.2594e-01, 3.7450e-01, 4.2563e-01,
489 4.7796e-01, 5.2991e-01, 5.7974e-01, 6.2599e-01,
490 6.6750e-01, 7.0344e-01, 7.3329e-01, 7.5676e-01,
491 7.7371e-01, 7.8410e-01, 7.8793e-01, 7.8410e-01,
492 7.7371e-01, 7.5676e-01, 7.3329e-01, 7.0344e-01,
493 6.6750e-01, 6.2599e-01, 5.7974e-01, 5.2991e-01,
494 4.7796e-01, 4.2563e-01, 3.7450e-01, 3.2594e-01,
495 2.8093e-01, 2.4013e-01, 2.0381e-01, 1.7196e-01,
496 1.4442e-01, 1.2094e-01, 1.0102e-01, 8.4257e-02,
497 7.0253e-02, 5.8612e-02, 4.8966e-02, 4.0979e-02,
498 3.4357e-02, 2.8860e-02, 2.4286e-02, 2.0450e-02,
499 1.7224e-02},
500 {1.5096e-02, 1.8041e-02, 2.1566e-02, 2.5793e-02,
501 3.0886e-02, 3.7044e-02, 4.4515e-02, 5.3604e-02,
502 6.4668e-02, 7.8109e-02, 9.4364e-02, 1.1389e-01,
503 1.3716e-01, 1.6461e-01, 1.9663e-01, 2.3350e-01,
504 2.7527e-01, 3.2170e-01, 3.7214e-01, 4.2549e-01,
505 4.8024e-01, 5.3460e-01, 5.8677e-01, 6.3512e-01,
506 6.7838e-01, 7.1569e-01, 7.4655e-01, 7.7071e-01,
507 7.8810e-01, 7.9871e-01, 8.0255e-01, 7.9871e-01,
508 7.8810e-01, 7.7071e-01, 7.4655e-01, 7.1569e-01,
509 6.7838e-01, 6.3512e-01, 5.8677e-01, 5.3460e-01,
510 4.8024e-01, 4.2549e-01, 3.7214e-01, 3.2170e-01,
511 2.7527e-01, 2.3350e-01, 1.9663e-01, 1.6461e-01,
512 1.3716e-01, 1.1389e-01, 9.4364e-02, 7.8109e-02,
513 6.4668e-02, 5.3604e-02, 4.4515e-02, 3.7044e-02,
514 3.0886e-02, 2.5793e-02, 2.1566e-02, 1.8041e-02,
515 1.5096e-02}};
516
517 // More sampling precision with linear interpolation
518 fPadResponse.fPRFlo = -1.5;
519 fPadResponse.fPRFhi = 1.5;
520 Float_t pad[kPRFbin];
521 Int_t sPRFbin = kPRFbin;
522 Float_t sPRFwid = (fPadResponse.fPRFhi - fPadResponse.fPRFlo) / ((Float_t) sPRFbin);
523 for (Int_t iPad = 0; iPad < sPRFbin; iPad++) {
524 pad[iPad] = ((Float_t) iPad + 0.5) * sPRFwid + fPadResponse.fPRFlo;
525 }
526 fPadResponse.fPRFbin = 500;
527 fPadResponse.fPRFwid = (fPadResponse.fPRFhi - fPadResponse.fPRFlo) / ((Float_t) fPadResponse.fPRFbin);
528 fPadResponse.fPRFpad = ((Int_t) (1.0 / fPadResponse.fPRFwid));
529
530 if (fPadResponse.fPRFsmp) delete [] fPadResponse.fPRFsmp;
531 fPadResponse.fPRFsmp = new Float_t[kNplan*fPadResponse.fPRFbin];
532
533 Int_t ipos1;
534 Int_t ipos2;
535 Float_t diff;
536
537 for (Int_t iPla = 0; iPla < kNplan; iPla++) {
538
539 for (Int_t iBin = 0; iBin < fPadResponse.fPRFbin; iBin++) {
540
541 Float_t bin = (((Float_t) iBin) + 0.5) * fPadResponse.fPRFwid + fPadResponse.fPRFlo;
542 ipos1 = ipos2 = 0;
543 diff = 0;
544 do {
545 diff = bin - pad[ipos2++];
546 } while ((diff > 0) && (ipos2 < kPRFbin));
547 if (ipos2 == kPRFbin) {
548 fPadResponse.fPRFsmp[iPla*fPadResponse.fPRFbin+iBin] = prf[iPla][ipos2-1];
549 }
550 else if (ipos2 == 1) {
551 fPadResponse.fPRFsmp[iPla*fPadResponse.fPRFbin+iBin] = prf[iPla][ipos2-1];
552 }
553 else {
554 ipos2--;
555 if (ipos2 >= kPRFbin) ipos2 = kPRFbin - 1;
556 ipos1 = ipos2 - 1;
557 fPadResponse.fPRFsmp[iPla*fPadResponse.fPRFbin+iBin] = prf[iPla][ipos2]
558 + diff * (prf[iPla][ipos2] - prf[iPla][ipos1])
559 / sPRFwid;
560 }
561
562 }
563 }
564
565}
566
567//_____________________________________________________________________________
568Int_t AliTRDcalibDB::PadResponse(Double_t signal, Double_t dist
569 , Int_t plane, Double_t *pad) const
570{
571 //
572 // Applies the pad response
573 //
574
575 Int_t iBin = ((Int_t) (( - dist - fPadResponse.fPRFlo) / fPadResponse.fPRFwid));
576 Int_t iOff = plane * fPadResponse.fPRFbin;
577
578 Int_t iBin0 = iBin - fPadResponse.fPRFpad + iOff;
579 Int_t iBin1 = iBin + iOff;
580 Int_t iBin2 = iBin + fPadResponse.fPRFpad + iOff;
581
582 pad[0] = 0.0;
583 pad[1] = 0.0;
584 pad[2] = 0.0;
585 if ((iBin1 >= 0) && (iBin1 < (fPadResponse.fPRFbin*kNplan))) {
586
587 if (iBin0 >= 0) {
588 pad[0] = signal * fPadResponse.fPRFsmp[iBin0];
589 }
590 pad[1] = signal * fPadResponse.fPRFsmp[iBin1];
591 if (iBin2 < (fPadResponse.fPRFbin*kNplan)) {
592 pad[2] = signal * fPadResponse.fPRFsmp[iBin2];
593 }
594
595 return 1;
596
597 }
598 else {
599
600 return 0;
601
602 }
ab0a4106 603
3551db50 604}
605