]> git.uio.no Git - u/mrichter/AliRoot.git/blame - VZERO/AliVZEROCalibData.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
#102886: Various fixes to the the code in EVE, STEER, PWGPP, cmake
[u/mrichter/AliRoot.git] / VZERO / AliVZEROCalibData.cxx
CommitLineData
3191f471 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: AliVZEROCalibData.cxx, */
17
18/////////////////////////////////////////////////////////////////////////////
19// //
20// class for VZERO calibration //
21// //
22/////////////////////////////////////////////////////////////////////////////
23
706506da 24#include <TMath.h>
d5deaaa5 25#include <TObjString.h>
26#include <TMap.h>
3772afd5 27#include <TH1F.h>
28#include <TH2F.h>
706506da 29
d5deaaa5 30#include "AliDCSValue.h"
3772afd5 31#include "AliCDBManager.h"
32#include "AliCDBEntry.h"
3191f471 33#include "AliVZEROCalibData.h"
32c24147 34#include "AliVZERODataDCS.h"
3772afd5 35#include "AliVZEROConst.h"
32c24147 36#include "AliLog.h"
3191f471 37
38ClassImp(AliVZEROCalibData)
39
40//________________________________________________________________
3772afd5 41AliVZEROCalibData::AliVZEROCalibData():
42 fLightYields(NULL),
43 fPMGainsA(NULL),
44 fPMGainsB(NULL)
3191f471 45{
2f09013f 46 // default constructor
47
48 for(int t=0; t<64; t++) {
49 fMeanHV[t] = 100.0;
50 fWidthHV[t] = 0.0;
992e9cba 51 fTimeOffset[t] = 5.0;
2f09013f 52 fTimeGain[t] = 1.0;
53 fDeadChannel[t]= kFALSE;
6e2c3e87 54 fDiscriThr[t] = 2.5;
2f09013f 55 }
56 for(int t=0; t<128; t++) {
57 fPedestal[t] = 0.0;
58 fSigma[t] = 0.0;
59 fADCmean[t] = 0.0;
60 fADCsigma[t] = 0.0;
2f09013f 61 }
62 for(int i=0; i<kNCIUBoards ;i++) {
63 fTimeResolution[i] = 25./256.; // Default time resolution
64 fWidthResolution[i] = 25./64.; // Default time width resolution
32cd3fdc 65 fMatchWindow[i] = 4;
66 fSearchWindow[i] = 16;
67 fTriggerCountOffset[i] = 3247;
68 fRollOver[i] = 3563;
2f09013f 69 }
d5deaaa5 70
3191f471 71}
72
a3c86e1f 73//________________________________________________________________
74void AliVZEROCalibData::Reset()
75{
d7a5c700 76 // reset
a3c86e1f 77}
78
3191f471 79//________________________________________________________________
3772afd5 80AliVZEROCalibData::AliVZEROCalibData(const char* name):
81 fLightYields(NULL),
82 fPMGainsA(NULL),
83 fPMGainsB(NULL)
3191f471 84{
32c24147 85 // Constructor
2f09013f 86 TString namst = "Calib_";
87 namst += name;
88 SetName(namst.Data());
89 SetTitle(namst.Data());
90 for(int t=0; t<64; t++) {
91 fMeanHV[t] = 100.0;
92 fWidthHV[t] = 0.0;
992e9cba 93 fTimeOffset[t] = 5.0;
2f09013f 94 fTimeGain[t] = 1.0;
95 fDeadChannel[t]= kFALSE;
6e2c3e87 96 fDiscriThr[t] = 2.5;
2f09013f 97 }
98 for(int t=0; t<128; t++) {
99 fPedestal[t] = 0.0;
100 fSigma[t] = 0.0;
101 fADCmean[t] = 0.0;
102 fADCsigma[t] = 0.0;
2f09013f 103 }
104 for(int i=0; i<kNCIUBoards ;i++) {
105 fTimeResolution[i] = 25./256.; // Default time resolution in ns / channel
106 fWidthResolution[i] = 25./64.; // Default time width resolution in ns / channel
32cd3fdc 107 fMatchWindow[i] = 4;
108 fSearchWindow[i] = 16;
109 fTriggerCountOffset[i] = 3247;
110 fRollOver[i] = 3563;
2f09013f 111 }
3191f471 112
113}
114
115//________________________________________________________________
116AliVZEROCalibData::AliVZEROCalibData(const AliVZEROCalibData& calibda) :
3772afd5 117 TNamed(calibda),
118 fLightYields(NULL),
119 fPMGainsA(NULL),
120 fPMGainsB(NULL)
3191f471 121{
122// copy constructor
123
124 SetName(calibda.GetName());
125 SetTitle(calibda.GetName());
126
fae0e0c0 127 for(int t=0; t<128; t++) {
3191f471 128 fPedestal[t] = calibda.GetPedestal(t);
fae0e0c0 129 fSigma[t] = calibda.GetSigma(t);
2a25ea57 130 fADCmean[t] = calibda.GetADCmean(t);
4e2652e8 131 fADCsigma[t] = calibda.GetADCsigma(t); }
fae0e0c0 132
133 for(int t=0; t<64; t++) {
d7a5c700 134 fMeanHV[t] = calibda.GetMeanHV(t);
2a25ea57 135 fWidthHV[t] = calibda.GetWidthHV(t);
136 fTimeOffset[t] = calibda.GetTimeOffset(t);
d5deaaa5 137 fTimeGain[t] = calibda.GetTimeGain(t);
2f09013f 138 fDeadChannel[t] = calibda.IsChannelDead(t);
6e2c3e87 139 fDiscriThr[t] = calibda.GetDiscriThr(t);
d5deaaa5 140 }
141
2f09013f 142 for(int i=0; i<kNCIUBoards ;i++) {
143 fTimeResolution[i] = calibda.GetTimeResolution(i);
144 fWidthResolution[i] = calibda.GetWidthResolution(i);
32cd3fdc 145 fMatchWindow[i] = calibda.GetMatchWindow(i);
146 fSearchWindow[i] = calibda.GetSearchWindow(i);
147 fTriggerCountOffset[i] = calibda.GetTriggerCountOffset(i);
148 fRollOver[i] = calibda.GetRollOver(i);
2f09013f 149 }
3191f471 150
151}
152
153//________________________________________________________________
154AliVZEROCalibData &AliVZEROCalibData::operator =(const AliVZEROCalibData& calibda)
155{
156// assignment operator
157
158 SetName(calibda.GetName());
159 SetTitle(calibda.GetName());
160
fae0e0c0 161 for(int t=0; t<128; t++) {
3191f471 162 fPedestal[t] = calibda.GetPedestal(t);
fae0e0c0 163 fSigma[t] = calibda.GetSigma(t);
2a25ea57 164 fADCmean[t] = calibda.GetADCmean(t);
4e2652e8 165 fADCsigma[t] = calibda.GetADCsigma(t); }
fae0e0c0 166
2a25ea57 167 for(int t=0; t<64; t++) {
d7a5c700 168 fMeanHV[t] = calibda.GetMeanHV(t);
2a25ea57 169 fWidthHV[t] = calibda.GetWidthHV(t);
170 fTimeOffset[t] = calibda.GetTimeOffset(t);
d5deaaa5 171 fTimeGain[t] = calibda.GetTimeGain(t);
2f09013f 172 fDeadChannel[t] = calibda.IsChannelDead(t);
6e2c3e87 173 fDiscriThr[t] = calibda.GetDiscriThr(t);
d5deaaa5 174 }
2f09013f 175 for(int i=0; i<kNCIUBoards ;i++) {
176 fTimeResolution[i] = calibda.GetTimeResolution(i);
177 fWidthResolution[i] = calibda.GetWidthResolution(i);
32cd3fdc 178 fMatchWindow[i] = calibda.GetMatchWindow(i);
179 fSearchWindow[i] = calibda.GetSearchWindow(i);
180 fTriggerCountOffset[i] = calibda.GetTriggerCountOffset(i);
181 fRollOver[i] = calibda.GetRollOver(i);
2f09013f 182 }
2a25ea57 183
3191f471 184 return *this;
185
186}
187
188//________________________________________________________________
189AliVZEROCalibData::~AliVZEROCalibData()
190{
d7a5c700 191 // destructor
3772afd5 192 if (fLightYields)
193 delete [] fLightYields;
194 if (fPMGainsA)
195 delete [] fPMGainsA;
196 if (fPMGainsB)
197 delete [] fPMGainsB;
3191f471 198}
d5deaaa5 199//_____________________________________________________________________________
200void AliVZEROCalibData::FillDCSData(AliVZERODataDCS * data){
201 // Set all parameters from the data get by the shuttle
202 TMap * params = data->GetFEEParameters();
203 TIter iter(params);
204 TObjString* aliasName;
205
206 while (( aliasName = (TObjString*) iter.Next() )) {
207 AliDCSValue* aValue = (AliDCSValue*) params->GetValue(aliasName);
5978520a 208 Int_t val;
d5deaaa5 209 if(aValue) {
692e31a4 210 val = aValue->GetUInt();
5978520a 211 AliInfo(Form("%s : %d",aliasName->String().Data(), val));
d5deaaa5 212 SetParameter(aliasName->String(),val);
213 }
214 }
215
216 SetMeanHV(data->GetMeanHV());
217 SetWidthHV(data->GetWidthHV());
218 SetDeadMap(data->GetDeadMap());
219
220}
221//_____________________________________________________________________________
5978520a 222void AliVZEROCalibData::SetParameter(TString name, Int_t val){
d5deaaa5 223 // Set given parameter
224
225 Int_t iBoard = -1;
57c7500a 226 Int_t iChannel = -1;
d5deaaa5 227
228 TSeqCollection* nameSplit = name.Tokenize("/");
229 TObjString * boardName = (TObjString *)nameSplit->At(2);
230 sscanf(boardName->String().Data(),"CIU%d",&iBoard);
57c7500a 231
232 TString paramName = ((TObjString *)nameSplit->At(3))->String();
233 Char_t channel[2] ; channel[1] = '\0';
234 channel[0] = paramName[paramName.Sizeof()-2];
235 sscanf(channel,"%d",&iChannel);
d5deaaa5 236
4bc15c46 237 if(name.Contains("TimeResolution")) SetTimeResolution((UShort_t) val,iBoard);
238 else if(name.Contains("WidthResolution")) SetWidthResolution((UShort_t) val,iBoard);
32cd3fdc 239 else if(name.Contains("MatchWindow")) SetMatchWindow((UInt_t) val,iBoard);
240 else if(name.Contains("SearchWindow")) SetSearchWindow((UInt_t) val,iBoard);
241 else if(name.Contains("TriggerCountOffset")) SetTriggerCountOffset((UInt_t) val,iBoard);
242 else if(name.Contains("RollOver")) SetRollOver((UInt_t) val,iBoard);
51980118 243 else if(name.Contains("DelayHit")) SetTimeOffset(0.01*(Float_t)val,iBoard,(iChannel-1));
244 else if(name.Contains("DiscriThr")) SetDiscriThr(((Float_t)val-2040.)/112.,iBoard,(iChannel-1));
d5deaaa5 245 else AliError(Form("No Setter found for FEE parameter : %s",name.Data()));
09d5920f 246 //
247 delete nameSplit;
d5deaaa5 248}
3191f471 249
3191f471 250//________________________________________________________________
32c24147 251void AliVZEROCalibData::SetPedestal(const Float_t* Pedestal)
3191f471 252{
fae0e0c0 253 if(Pedestal) for(int t=0; t<128; t++) fPedestal[t] = Pedestal[t];
254 else for(int t=0; t<128; t++) fPedestal[t] = 0.0;
255}
256
257//________________________________________________________________
32c24147 258void AliVZEROCalibData::SetSigma(const Float_t* Sigma)
fae0e0c0 259{
260 if(Sigma) for(int t=0; t<128; t++) fSigma[t] = Sigma[t];
261 else for(int t=0; t<128; t++) fSigma[t] = 0.0;
3191f471 262}
263
264//________________________________________________________________
32c24147 265void AliVZEROCalibData::SetADCmean(const Float_t* ADCmean)
3191f471 266{
2a25ea57 267 if(ADCmean) for(int t=0; t<128; t++) fADCmean[t] = ADCmean[t];
268 else for(int t=0; t<128; t++) fADCmean[t] = 0.0;
3191f471 269}
270
40b6a179 271//________________________________________________________________
32c24147 272void AliVZEROCalibData::SetADCsigma(const Float_t* ADCsigma)
40b6a179 273{
274 if(ADCsigma) for(int t=0; t<128; t++) fADCsigma[t] = ADCsigma[t];
275 else for(int t=0; t<128; t++) fADCsigma[t] = 0.0;
276}
277
fae0e0c0 278//________________________________________________________________
32c24147 279void AliVZEROCalibData::SetMeanHV(const Float_t* MeanHV)
fae0e0c0 280{
2a25ea57 281 if(MeanHV) for(int t=0; t<64; t++) fMeanHV[t] = MeanHV[t];
282 else for(int t=0; t<64; t++) fMeanHV[t] = 0.0;
fae0e0c0 283}
284
285//________________________________________________________________
32c24147 286void AliVZEROCalibData::SetWidthHV(const Float_t* WidthHV)
fae0e0c0 287{
2a25ea57 288 if(WidthHV) for(int t=0; t<64; t++) fWidthHV[t] = WidthHV[t];
289 else for(int t=0; t<64; t++) fWidthHV[t] = 0.0;
fae0e0c0 290}
d7a5c700 291
7495d2be 292//________________________________________________________________
32c24147 293void AliVZEROCalibData::SetDeadMap(const Bool_t* deadMap)
7495d2be 294{
295 if(deadMap) for(int t=0; t<64; t++) fDeadChannel[t] = deadMap[t];
296 else for(int t=0; t<64; t++) fDeadChannel[t] = kFALSE;
297}
298
57c7500a 299//________________________________________________________________
51980118 300void AliVZEROCalibData::SetTimeOffset(Float_t val, Int_t board, Int_t channel)
57c7500a 301{
51980118 302 Int_t ch = AliVZEROCalibData::GetOfflineChannelNumber(board,channel);
303 if(ch >= 0){
304 fTimeOffset[ch]=val;
305 AliInfo(Form("Time offset for channel %d set to %f",ch,fTimeOffset[ch]));
57c7500a 306 }
307 else
51980118 308 AliError("Board/Channel numbers are not valid");
57c7500a 309}
310
d7a5c700 311//________________________________________________________________
32c24147 312void AliVZEROCalibData::SetTimeOffset(const Float_t* TimeOffset)
d7a5c700 313{
2a25ea57 314 if(TimeOffset) for(int t=0; t<64; t++) fTimeOffset[t] = TimeOffset[t];
992e9cba 315 else for(int t=0; t<64; t++) fTimeOffset[t] = 5.0;
d7a5c700 316}
2a25ea57 317
318//________________________________________________________________
32c24147 319void AliVZEROCalibData::SetTimeGain(const Float_t* TimeGain)
2a25ea57 320{
321 if(TimeGain) for(int t=0; t<64; t++) fTimeGain[t] = TimeGain[t];
322 else for(int t=0; t<64; t++) fTimeGain[t] = 0.0;
323}
324
706506da 325//_____________________________________________________________________________
3772afd5 326Float_t AliVZEROCalibData::GetMIPperADC(Int_t channel) {
706506da 327
328 // Computes the MIP conversion factor - MIP per ADC channel -
329 // Argument passed is the PM number (aliroot numbering)
330
3772afd5 331 Float_t nPhPerMIP = (channel < 32) ? 6950 : 33690;
332 return 1./(nPhPerMIP*GetLightYields(channel)*0.18*TMath::Qe()*GetGain(channel)/kChargePerADC);
706506da 333
334}
4e2652e8 335
373bede4 336//_____________________________________________________________________________
337Float_t AliVZEROCalibData::GetHV(Int_t channel, Float_t adcPerMip) {
338
339 // Computes the HV value for certain ADC per MIP value
340 // Arguments passed is the PM number (aliroot numbering) and
341 // required value of ADC per MIP
342 if (!fPMGainsA) InitPMGains();
343
344 if (adcPerMip <= 0) return 0;
345 Float_t nPhPerMIP = (channel < 32) ? 6950 : 33690;
346 Float_t gain = adcPerMip/(nPhPerMIP*GetLightYields(channel)*0.18*TMath::Qe())*kChargePerADC;
347 return TMath::Exp((TMath::Log(gain)-fPMGainsA[channel])/fPMGainsB[channel]);
348}
349
4e2652e8 350//________________________________________________________________
3772afd5 351Float_t AliVZEROCalibData::GetGain(Int_t channel)
4e2652e8 352{
3772afd5 353 // Computes the PM gains
4e2652e8 354 // Argument passed is the PM number (aliroot numbering)
3772afd5 355 if (!fPMGainsA) InitPMGains();
4e2652e8 356
357 // High Voltage retrieval from Calibration Data Base:
358 Float_t hv = fMeanHV[channel];
359 Float_t gain = 0;
360 if (hv>0)
3772afd5 361 gain = TMath::Exp(fPMGainsA[channel]+fPMGainsB[channel]*TMath::Log(hv));
4e2652e8 362 return gain;
363}
364
d5deaaa5 365//________________________________________________________________
366void AliVZEROCalibData::SetTimeResolution(UShort_t *resols){
367 // Set Time Resolution of the TDC
368 if(resols) for(int t=0; t<kNCIUBoards; t++) SetTimeResolution(resols[t],t);
4bc15c46 369 else AliError("Time Resolution not defined.");
d5deaaa5 370
371}
372//________________________________________________________________
373void AliVZEROCalibData::SetTimeResolution(UShort_t resol, Int_t board)
374{
375 // Set Time Resolution of the TDC
4bc15c46 376 if((board>=0) && (board<kNCIUBoards)) {
d5deaaa5 377 switch(resol){
378 case 0:
379 fTimeResolution[board] = 25./256.;
380 break;
381 case 1:
382 fTimeResolution[board] = 25./128.;
383 break;
384 case 2:
385 fTimeResolution[board] = 25./64.;
386 break;
387 case 3:
388 fTimeResolution[board] = 25./32.;
389 break;
390 case 4:
391 fTimeResolution[board] = 25./16.;
392 break;
393 case 5:
394 fTimeResolution[board] = 25./8.;
395 break;
396 case 6:
397 fTimeResolution[board] = 6.25;
398 break;
399 case 7:
400 fTimeResolution[board] = 12.5;
401 break;
402 }
4bc15c46 403 AliInfo(Form("Time Resolution of board %d set to %f",board,fTimeResolution[board]));
d5deaaa5 404 } else AliError(Form("Board %d is not valid",board));
405}
406//________________________________________________________________
407void AliVZEROCalibData::SetWidthResolution(UShort_t *resols){
408 // Set Time Width Resolution of the TDC
409 if(resols) for(int t=0; t<kNCIUBoards; t++) SetWidthResolution(resols[t],t);
4bc15c46 410 else AliError("Width Resolution not defined.");
d5deaaa5 411
412}
413//________________________________________________________________
414void AliVZEROCalibData::SetWidthResolution(UShort_t resol, Int_t board)
415{
416 // Set Time Width Resolution of the TDC
4bc15c46 417 if((board>=0) && (board<kNCIUBoards)){
d5deaaa5 418 switch(resol){
419 case 0:
420 fWidthResolution[board] = 25./256.;
421 break;
422 case 1:
423 fWidthResolution[board] = 25./128.;
424 break;
425 case 2:
426 fWidthResolution[board] = 25./64.;
427 break;
428 case 3:
429 fWidthResolution[board] = 25./32.;
430 break;
431 case 4:
432 fWidthResolution[board] = 25./16.;
433 break;
434 case 5:
435 fWidthResolution[board] = 25./8.;
436 break;
437 case 6:
438 fWidthResolution[board] = 6.25;
439 break;
440 case 7:
441 fWidthResolution[board] = 12.5;
442 break;
443 case 8:
444 fWidthResolution[board] = 25.;
445 break;
446 case 9:
447 fWidthResolution[board] = 50.;
448 break;
449 case 10:
450 fWidthResolution[board] = 100.;
451 break;
452 case 11:
453 fWidthResolution[board] = 200.;
454 break;
455 case 12:
456 fWidthResolution[board] = 400.;
457 break;
458 case 13:
459 fWidthResolution[board] = 800.;
460 break;
461
462 }
4bc15c46 463 AliInfo(Form("Width Resolution of board %d set to %f",board,fWidthResolution[board]));
d5deaaa5 464 }else AliError(Form("Board %d is not valid",board));
465}
706506da 466
32cd3fdc 467//________________________________________________________________
468void AliVZEROCalibData::SetMatchWindow(UInt_t *windows)
469{
470 // Set Match window of the HPTDC
471 // The units are 25ns
472 if(windows) for(Int_t b=0; b<kNCIUBoards; b++) SetMatchWindow(windows[b],b);
473 else AliError("Match windows not defined.");
474}
475
476//________________________________________________________________
477void AliVZEROCalibData::SetMatchWindow(UInt_t window, Int_t board)
478{
479 // Set Match window of the HPTDC
480 // The units are 25ns
481 if((board>=0) && (board<kNCIUBoards)){
482 fMatchWindow[board] = window;
483 AliInfo(Form("Match window of board %d set to %d",board,fMatchWindow[board]));
484 }
485 else
486 AliError(Form("Board %d is not valid",board));
487}
488
489//________________________________________________________________
490void AliVZEROCalibData::SetSearchWindow(UInt_t *windows)
491{
492 // Set Search window of the HPTDC
493 // The units are 25ns
494 if(windows) for(Int_t b=0; b<kNCIUBoards; b++) SetSearchWindow(windows[b],b);
495 else AliError("Search windows not defined.");
496}
497
498//________________________________________________________________
499void AliVZEROCalibData::SetSearchWindow(UInt_t window, Int_t board)
500{
501 // Set Search window of the HPTDC
502 // The units are 25ns
503 if((board>=0) && (board<kNCIUBoards)){
504 fSearchWindow[board] = window;
505 AliInfo(Form("Search window of board %d set to %d",board,fSearchWindow[board]));
506 }
507 else
508 AliError(Form("Board %d is not valid",board));
509}
510
511//________________________________________________________________
512void AliVZEROCalibData::SetTriggerCountOffset(UInt_t *offsets)
513{
514 // Set trigger-count offset of the HPTDC
515 // The units are 25ns
516 if(offsets) for(Int_t b=0; b<kNCIUBoards; b++) SetTriggerCountOffset(offsets[b],b);
517 else AliError("Trigger count offsets not defined.");
518}
519
520//________________________________________________________________
521void AliVZEROCalibData::SetTriggerCountOffset(UInt_t offset, Int_t board)
522{
523 // Set trigger-count offsets of the HPTDC
524 // The units are 25ns
525 if((board>=0) && (board<kNCIUBoards)){
526 fTriggerCountOffset[board] = offset;
527 AliInfo(Form("Trigger-count offset of board %d set to %d",board,fTriggerCountOffset[board]));
528 }
529 else
530 AliError(Form("Board %d is not valid",board));
531}
532
533//________________________________________________________________
534void AliVZEROCalibData::SetRollOver(UInt_t *offsets)
535{
536 // Set Roll-over of the HPTDC
537 // The units are 25ns
538 if(offsets) for(Int_t b=0; b<kNCIUBoards; b++) SetRollOver(offsets[b],b);
539 else AliError("Roll-over offsets not defined.");
540}
541
542//________________________________________________________________
543void AliVZEROCalibData::SetRollOver(UInt_t offset, Int_t board)
544{
545 // Set Roll-over of the HPTDC
546 // The units are 25ns
547 if((board>=0) && (board<kNCIUBoards)){
548 fRollOver[board] = offset;
549 AliInfo(Form("Roll-over offset of board %d set to %d",board,fRollOver[board]));
550 }
551 else
552 AliError(Form("Board %d is not valid",board));
553}
6e2c3e87 554
555//________________________________________________________________
51980118 556void AliVZEROCalibData::SetDiscriThr(Float_t thr, Int_t board, Int_t channel)
6e2c3e87 557{
558 // Set the TDC discriminator
559 // threshold values expressed in units of ADC
51980118 560 Int_t ch = AliVZEROCalibData::GetOfflineChannelNumber(board,channel);
561 if(ch >= 0){
6e2c3e87 562 if (thr > 0) {
51980118 563 fDiscriThr[ch]=thr;
564 AliInfo(Form("Discriminator threshold for channel %d set to %f",ch,fDiscriThr[ch]));
6e2c3e87 565 }
566 else {
51980118 567 AliWarning(Form("Ignore wrong threshold value (%f) for channel %d !",thr,ch));
6e2c3e87 568 }
569 }
570 else
51980118 571 AliError("Board/Channel numbers are not valid");
6e2c3e87 572}
573
574//________________________________________________________________
575void AliVZEROCalibData::SetDiscriThr(const Float_t* thresholds)
576{
577 // Set the TDC discriminator
578 // threshold values expressed in units of ADC
579 if(thresholds) for(int t=0; t<64; t++) fDiscriThr[t] = thresholds[t];
580 else for(int t=0; t<64; t++) fDiscriThr[t] = 2.5;
581}
51980118 582
583Int_t AliVZEROCalibData::GetOfflineChannelNumber(Int_t board, Int_t channel)
584{
585 // Get the offline channel number from
586 // the FEE board and channel indexes
587
588 if (board < 0 || board >= 8) {
589 AliErrorClass(Form("Wrong FEE board number: %d",board));
590 return -1;
591 }
592 if (channel < 0 || channel >= 8) {
593 AliErrorClass(Form("Wrong FEE channel number: %d",channel));
594 return -1;
595 }
596
597 Int_t offCh = (board < 4) ? (8 * board + 32) : (8 * board -32);
598 offCh += (7 - channel);
599
600 return offCh;
601}
602
603Int_t AliVZEROCalibData::GetBoardNumber(Int_t channel)
604{
605 // Get FEE board number
606 // from offline channel index
607 if (channel >= 0 && channel < 32) return (channel / 8 + 4);
608 if (channel >=32 && channel < 64) return (channel / 8 - 4);
609
610 AliErrorClass(Form("Wrong channel index: %d",channel));
611 return -1;
612}
d0ff6548 613
614Int_t AliVZEROCalibData::GetFEEChannelNumber(Int_t channel)
615{
616 // Get FEE channel number
617 // from offline channel index
618 if (channel >= 0 && channel < 64) return (7 - (channel % 8));
619
620 AliErrorClass(Form("Wrong channel index: %d",channel));
621 return -1;
622}
3772afd5 623
624Float_t AliVZEROCalibData::GetLightYields(Int_t channel)
625{
626 // Get the light yield efficiency
627 // for a given channel
628 if (!fLightYields) InitLightYields();
629
630 if (channel >= 0 && channel < 64) {
631 return fLightYields[channel];
632 }
633
634 AliError(Form("Wrong channel index: %d",channel));
635 return 0;
636}
637
638void AliVZEROCalibData::InitLightYields()
639{
640 // Initialize the light yield factors
641 // Read from a separate OCDB entry
642 if (fLightYields) return;
643
644 AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/LightYields");
645 if (!entry) AliFatal("VZERO light yields are not found in OCDB !");
646 TH1F *yields = (TH1F*)entry->GetObject();
647
648 fLightYields = new Float_t[64];
649 for(Int_t i = 0 ; i < 64; ++i) {
650 fLightYields[i] = yields->GetBinContent(i+1);
651 }
652}
653
654void AliVZEROCalibData::InitPMGains()
655{
656 // Initialize the PM gain factors
657 // Read from a separate OCDB entry
658 if (fPMGainsA) return;
659
660 AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/PMGains");
661 if (!entry) AliFatal("VZERO PM gains are not found in OCDB !");
662 TH2F *gains = (TH2F*)entry->GetObject();
663
664 fPMGainsA = new Float_t[64];
665 fPMGainsB = new Float_t[64];
666 for(Int_t i = 0 ; i < 64; ++i) {
667 fPMGainsA[i] = gains->GetBinContent(i+1,1);
668 fPMGainsB[i] = gains->GetBinContent(i+1,2);
669 }
670}
ed1ea59f 671
672Float_t AliVZEROCalibData::GetCalibDiscriThr(Int_t channel, Bool_t scaled)
673{
674 // The method returns actual TDC discri threshold
675 // extracted from the data.
676 //
677 // In case scaled flag is set the threshold is scaled
678 // so that to get 4.0 for a FEE threshold of 4.0.
679 // In this way we avoid a change in the slewing correction
680 // for the entire 2010 p-p data.
681 //
682 // The method is to be moved to OCDB object.
683
684 Float_t thr = GetDiscriThr(channel);
685
686 Float_t calThr = 0;
687 if (thr <= 1.)
688 calThr = 3.1;
689 else if (thr >= 2.)
690 calThr = (3.1+1.15*thr-1.7);
691 else
692 calThr = (3.1-0.3*thr+0.3*thr*thr);
693
694 if (scaled) calThr *= 4./(3.1+1.15*4.-1.7);
695
696 return calThr;
697}