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Macro to visualize the channel delays.
[u/mrichter/AliRoot.git] / VZERO / AliVZEROCalibData.cxx
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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()));
246}
3191f471 247
3191f471 248//________________________________________________________________
32c24147 249void AliVZEROCalibData::SetPedestal(const Float_t* Pedestal)
3191f471 250{
fae0e0c0 251 if(Pedestal) for(int t=0; t<128; t++) fPedestal[t] = Pedestal[t];
252 else for(int t=0; t<128; t++) fPedestal[t] = 0.0;
253}
254
255//________________________________________________________________
32c24147 256void AliVZEROCalibData::SetSigma(const Float_t* Sigma)
fae0e0c0 257{
258 if(Sigma) for(int t=0; t<128; t++) fSigma[t] = Sigma[t];
259 else for(int t=0; t<128; t++) fSigma[t] = 0.0;
3191f471 260}
261
262//________________________________________________________________
32c24147 263void AliVZEROCalibData::SetADCmean(const Float_t* ADCmean)
3191f471 264{
2a25ea57 265 if(ADCmean) for(int t=0; t<128; t++) fADCmean[t] = ADCmean[t];
266 else for(int t=0; t<128; t++) fADCmean[t] = 0.0;
3191f471 267}
268
40b6a179 269//________________________________________________________________
32c24147 270void AliVZEROCalibData::SetADCsigma(const Float_t* ADCsigma)
40b6a179 271{
272 if(ADCsigma) for(int t=0; t<128; t++) fADCsigma[t] = ADCsigma[t];
273 else for(int t=0; t<128; t++) fADCsigma[t] = 0.0;
274}
275
fae0e0c0 276//________________________________________________________________
32c24147 277void AliVZEROCalibData::SetMeanHV(const Float_t* MeanHV)
fae0e0c0 278{
2a25ea57 279 if(MeanHV) for(int t=0; t<64; t++) fMeanHV[t] = MeanHV[t];
280 else for(int t=0; t<64; t++) fMeanHV[t] = 0.0;
fae0e0c0 281}
282
283//________________________________________________________________
32c24147 284void AliVZEROCalibData::SetWidthHV(const Float_t* WidthHV)
fae0e0c0 285{
2a25ea57 286 if(WidthHV) for(int t=0; t<64; t++) fWidthHV[t] = WidthHV[t];
287 else for(int t=0; t<64; t++) fWidthHV[t] = 0.0;
fae0e0c0 288}
d7a5c700 289
7495d2be 290//________________________________________________________________
32c24147 291void AliVZEROCalibData::SetDeadMap(const Bool_t* deadMap)
7495d2be 292{
293 if(deadMap) for(int t=0; t<64; t++) fDeadChannel[t] = deadMap[t];
294 else for(int t=0; t<64; t++) fDeadChannel[t] = kFALSE;
295}
296
57c7500a 297//________________________________________________________________
51980118 298void AliVZEROCalibData::SetTimeOffset(Float_t val, Int_t board, Int_t channel)
57c7500a 299{
51980118 300 Int_t ch = AliVZEROCalibData::GetOfflineChannelNumber(board,channel);
301 if(ch >= 0){
302 fTimeOffset[ch]=val;
303 AliInfo(Form("Time offset for channel %d set to %f",ch,fTimeOffset[ch]));
57c7500a 304 }
305 else
51980118 306 AliError("Board/Channel numbers are not valid");
57c7500a 307}
308
d7a5c700 309//________________________________________________________________
32c24147 310void AliVZEROCalibData::SetTimeOffset(const Float_t* TimeOffset)
d7a5c700 311{
2a25ea57 312 if(TimeOffset) for(int t=0; t<64; t++) fTimeOffset[t] = TimeOffset[t];
992e9cba 313 else for(int t=0; t<64; t++) fTimeOffset[t] = 5.0;
d7a5c700 314}
2a25ea57 315
316//________________________________________________________________
32c24147 317void AliVZEROCalibData::SetTimeGain(const Float_t* TimeGain)
2a25ea57 318{
319 if(TimeGain) for(int t=0; t<64; t++) fTimeGain[t] = TimeGain[t];
320 else for(int t=0; t<64; t++) fTimeGain[t] = 0.0;
321}
322
706506da 323//_____________________________________________________________________________
3772afd5 324Float_t AliVZEROCalibData::GetMIPperADC(Int_t channel) {
706506da 325
326 // Computes the MIP conversion factor - MIP per ADC channel -
327 // Argument passed is the PM number (aliroot numbering)
328
3772afd5 329 Float_t nPhPerMIP = (channel < 32) ? 6950 : 33690;
330 return 1./(nPhPerMIP*GetLightYields(channel)*0.18*TMath::Qe()*GetGain(channel)/kChargePerADC);
706506da 331
332}
4e2652e8 333
373bede4 334//_____________________________________________________________________________
335Float_t AliVZEROCalibData::GetHV(Int_t channel, Float_t adcPerMip) {
336
337 // Computes the HV value for certain ADC per MIP value
338 // Arguments passed is the PM number (aliroot numbering) and
339 // required value of ADC per MIP
340 if (!fPMGainsA) InitPMGains();
341
342 if (adcPerMip <= 0) return 0;
343 Float_t nPhPerMIP = (channel < 32) ? 6950 : 33690;
344 Float_t gain = adcPerMip/(nPhPerMIP*GetLightYields(channel)*0.18*TMath::Qe())*kChargePerADC;
345 return TMath::Exp((TMath::Log(gain)-fPMGainsA[channel])/fPMGainsB[channel]);
346}
347
4e2652e8 348//________________________________________________________________
3772afd5 349Float_t AliVZEROCalibData::GetGain(Int_t channel)
4e2652e8 350{
3772afd5 351 // Computes the PM gains
4e2652e8 352 // Argument passed is the PM number (aliroot numbering)
3772afd5 353 if (!fPMGainsA) InitPMGains();
4e2652e8 354
355 // High Voltage retrieval from Calibration Data Base:
356 Float_t hv = fMeanHV[channel];
357 Float_t gain = 0;
358 if (hv>0)
3772afd5 359 gain = TMath::Exp(fPMGainsA[channel]+fPMGainsB[channel]*TMath::Log(hv));
4e2652e8 360 return gain;
361}
362
d5deaaa5 363//________________________________________________________________
364void AliVZEROCalibData::SetTimeResolution(UShort_t *resols){
365 // Set Time Resolution of the TDC
366 if(resols) for(int t=0; t<kNCIUBoards; t++) SetTimeResolution(resols[t],t);
4bc15c46 367 else AliError("Time Resolution not defined.");
d5deaaa5 368
369}
370//________________________________________________________________
371void AliVZEROCalibData::SetTimeResolution(UShort_t resol, Int_t board)
372{
373 // Set Time Resolution of the TDC
4bc15c46 374 if((board>=0) && (board<kNCIUBoards)) {
d5deaaa5 375 switch(resol){
376 case 0:
377 fTimeResolution[board] = 25./256.;
378 break;
379 case 1:
380 fTimeResolution[board] = 25./128.;
381 break;
382 case 2:
383 fTimeResolution[board] = 25./64.;
384 break;
385 case 3:
386 fTimeResolution[board] = 25./32.;
387 break;
388 case 4:
389 fTimeResolution[board] = 25./16.;
390 break;
391 case 5:
392 fTimeResolution[board] = 25./8.;
393 break;
394 case 6:
395 fTimeResolution[board] = 6.25;
396 break;
397 case 7:
398 fTimeResolution[board] = 12.5;
399 break;
400 }
4bc15c46 401 AliInfo(Form("Time Resolution of board %d set to %f",board,fTimeResolution[board]));
d5deaaa5 402 } else AliError(Form("Board %d is not valid",board));
403}
404//________________________________________________________________
405void AliVZEROCalibData::SetWidthResolution(UShort_t *resols){
406 // Set Time Width Resolution of the TDC
407 if(resols) for(int t=0; t<kNCIUBoards; t++) SetWidthResolution(resols[t],t);
4bc15c46 408 else AliError("Width Resolution not defined.");
d5deaaa5 409
410}
411//________________________________________________________________
412void AliVZEROCalibData::SetWidthResolution(UShort_t resol, Int_t board)
413{
414 // Set Time Width Resolution of the TDC
4bc15c46 415 if((board>=0) && (board<kNCIUBoards)){
d5deaaa5 416 switch(resol){
417 case 0:
418 fWidthResolution[board] = 25./256.;
419 break;
420 case 1:
421 fWidthResolution[board] = 25./128.;
422 break;
423 case 2:
424 fWidthResolution[board] = 25./64.;
425 break;
426 case 3:
427 fWidthResolution[board] = 25./32.;
428 break;
429 case 4:
430 fWidthResolution[board] = 25./16.;
431 break;
432 case 5:
433 fWidthResolution[board] = 25./8.;
434 break;
435 case 6:
436 fWidthResolution[board] = 6.25;
437 break;
438 case 7:
439 fWidthResolution[board] = 12.5;
440 break;
441 case 8:
442 fWidthResolution[board] = 25.;
443 break;
444 case 9:
445 fWidthResolution[board] = 50.;
446 break;
447 case 10:
448 fWidthResolution[board] = 100.;
449 break;
450 case 11:
451 fWidthResolution[board] = 200.;
452 break;
453 case 12:
454 fWidthResolution[board] = 400.;
455 break;
456 case 13:
457 fWidthResolution[board] = 800.;
458 break;
459
460 }
4bc15c46 461 AliInfo(Form("Width Resolution of board %d set to %f",board,fWidthResolution[board]));
d5deaaa5 462 }else AliError(Form("Board %d is not valid",board));
463}
706506da 464
32cd3fdc 465//________________________________________________________________
466void AliVZEROCalibData::SetMatchWindow(UInt_t *windows)
467{
468 // Set Match window of the HPTDC
469 // The units are 25ns
470 if(windows) for(Int_t b=0; b<kNCIUBoards; b++) SetMatchWindow(windows[b],b);
471 else AliError("Match windows not defined.");
472}
473
474//________________________________________________________________
475void AliVZEROCalibData::SetMatchWindow(UInt_t window, Int_t board)
476{
477 // Set Match window of the HPTDC
478 // The units are 25ns
479 if((board>=0) && (board<kNCIUBoards)){
480 fMatchWindow[board] = window;
481 AliInfo(Form("Match window of board %d set to %d",board,fMatchWindow[board]));
482 }
483 else
484 AliError(Form("Board %d is not valid",board));
485}
486
487//________________________________________________________________
488void AliVZEROCalibData::SetSearchWindow(UInt_t *windows)
489{
490 // Set Search window of the HPTDC
491 // The units are 25ns
492 if(windows) for(Int_t b=0; b<kNCIUBoards; b++) SetSearchWindow(windows[b],b);
493 else AliError("Search windows not defined.");
494}
495
496//________________________________________________________________
497void AliVZEROCalibData::SetSearchWindow(UInt_t window, Int_t board)
498{
499 // Set Search window of the HPTDC
500 // The units are 25ns
501 if((board>=0) && (board<kNCIUBoards)){
502 fSearchWindow[board] = window;
503 AliInfo(Form("Search window of board %d set to %d",board,fSearchWindow[board]));
504 }
505 else
506 AliError(Form("Board %d is not valid",board));
507}
508
509//________________________________________________________________
510void AliVZEROCalibData::SetTriggerCountOffset(UInt_t *offsets)
511{
512 // Set trigger-count offset of the HPTDC
513 // The units are 25ns
514 if(offsets) for(Int_t b=0; b<kNCIUBoards; b++) SetTriggerCountOffset(offsets[b],b);
515 else AliError("Trigger count offsets not defined.");
516}
517
518//________________________________________________________________
519void AliVZEROCalibData::SetTriggerCountOffset(UInt_t offset, Int_t board)
520{
521 // Set trigger-count offsets of the HPTDC
522 // The units are 25ns
523 if((board>=0) && (board<kNCIUBoards)){
524 fTriggerCountOffset[board] = offset;
525 AliInfo(Form("Trigger-count offset of board %d set to %d",board,fTriggerCountOffset[board]));
526 }
527 else
528 AliError(Form("Board %d is not valid",board));
529}
530
531//________________________________________________________________
532void AliVZEROCalibData::SetRollOver(UInt_t *offsets)
533{
534 // Set Roll-over of the HPTDC
535 // The units are 25ns
536 if(offsets) for(Int_t b=0; b<kNCIUBoards; b++) SetRollOver(offsets[b],b);
537 else AliError("Roll-over offsets not defined.");
538}
539
540//________________________________________________________________
541void AliVZEROCalibData::SetRollOver(UInt_t offset, Int_t board)
542{
543 // Set Roll-over of the HPTDC
544 // The units are 25ns
545 if((board>=0) && (board<kNCIUBoards)){
546 fRollOver[board] = offset;
547 AliInfo(Form("Roll-over offset of board %d set to %d",board,fRollOver[board]));
548 }
549 else
550 AliError(Form("Board %d is not valid",board));
551}
6e2c3e87 552
553//________________________________________________________________
51980118 554void AliVZEROCalibData::SetDiscriThr(Float_t thr, Int_t board, Int_t channel)
6e2c3e87 555{
556 // Set the TDC discriminator
557 // threshold values expressed in units of ADC
51980118 558 Int_t ch = AliVZEROCalibData::GetOfflineChannelNumber(board,channel);
559 if(ch >= 0){
6e2c3e87 560 if (thr > 0) {
51980118 561 fDiscriThr[ch]=thr;
562 AliInfo(Form("Discriminator threshold for channel %d set to %f",ch,fDiscriThr[ch]));
6e2c3e87 563 }
564 else {
51980118 565 AliWarning(Form("Ignore wrong threshold value (%f) for channel %d !",thr,ch));
6e2c3e87 566 }
567 }
568 else
51980118 569 AliError("Board/Channel numbers are not valid");
6e2c3e87 570}
571
572//________________________________________________________________
573void AliVZEROCalibData::SetDiscriThr(const Float_t* thresholds)
574{
575 // Set the TDC discriminator
576 // threshold values expressed in units of ADC
577 if(thresholds) for(int t=0; t<64; t++) fDiscriThr[t] = thresholds[t];
578 else for(int t=0; t<64; t++) fDiscriThr[t] = 2.5;
579}
51980118 580
581Int_t AliVZEROCalibData::GetOfflineChannelNumber(Int_t board, Int_t channel)
582{
583 // Get the offline channel number from
584 // the FEE board and channel indexes
585
586 if (board < 0 || board >= 8) {
587 AliErrorClass(Form("Wrong FEE board number: %d",board));
588 return -1;
589 }
590 if (channel < 0 || channel >= 8) {
591 AliErrorClass(Form("Wrong FEE channel number: %d",channel));
592 return -1;
593 }
594
595 Int_t offCh = (board < 4) ? (8 * board + 32) : (8 * board -32);
596 offCh += (7 - channel);
597
598 return offCh;
599}
600
601Int_t AliVZEROCalibData::GetBoardNumber(Int_t channel)
602{
603 // Get FEE board number
604 // from offline channel index
605 if (channel >= 0 && channel < 32) return (channel / 8 + 4);
606 if (channel >=32 && channel < 64) return (channel / 8 - 4);
607
608 AliErrorClass(Form("Wrong channel index: %d",channel));
609 return -1;
610}
d0ff6548 611
612Int_t AliVZEROCalibData::GetFEEChannelNumber(Int_t channel)
613{
614 // Get FEE channel number
615 // from offline channel index
616 if (channel >= 0 && channel < 64) return (7 - (channel % 8));
617
618 AliErrorClass(Form("Wrong channel index: %d",channel));
619 return -1;
620}
3772afd5 621
622Float_t AliVZEROCalibData::GetLightYields(Int_t channel)
623{
624 // Get the light yield efficiency
625 // for a given channel
626 if (!fLightYields) InitLightYields();
627
628 if (channel >= 0 && channel < 64) {
629 return fLightYields[channel];
630 }
631
632 AliError(Form("Wrong channel index: %d",channel));
633 return 0;
634}
635
636void AliVZEROCalibData::InitLightYields()
637{
638 // Initialize the light yield factors
639 // Read from a separate OCDB entry
640 if (fLightYields) return;
641
642 AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/LightYields");
643 if (!entry) AliFatal("VZERO light yields are not found in OCDB !");
644 TH1F *yields = (TH1F*)entry->GetObject();
645
646 fLightYields = new Float_t[64];
647 for(Int_t i = 0 ; i < 64; ++i) {
648 fLightYields[i] = yields->GetBinContent(i+1);
649 }
650}
651
652void AliVZEROCalibData::InitPMGains()
653{
654 // Initialize the PM gain factors
655 // Read from a separate OCDB entry
656 if (fPMGainsA) return;
657
658 AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/PMGains");
659 if (!entry) AliFatal("VZERO PM gains are not found in OCDB !");
660 TH2F *gains = (TH2F*)entry->GetObject();
661
662 fPMGainsA = new Float_t[64];
663 fPMGainsB = new Float_t[64];
664 for(Int_t i = 0 ; i < 64; ++i) {
665 fPMGainsA[i] = gains->GetBinContent(i+1,1);
666 fPMGainsB[i] = gains->GetBinContent(i+1,2);
667 }
668}
ed1ea59f 669
670Float_t AliVZEROCalibData::GetCalibDiscriThr(Int_t channel, Bool_t scaled)
671{
672 // The method returns actual TDC discri threshold
673 // extracted from the data.
674 //
675 // In case scaled flag is set the threshold is scaled
676 // so that to get 4.0 for a FEE threshold of 4.0.
677 // In this way we avoid a change in the slewing correction
678 // for the entire 2010 p-p data.
679 //
680 // The method is to be moved to OCDB object.
681
682 Float_t thr = GetDiscriThr(channel);
683
684 Float_t calThr = 0;
685 if (thr <= 1.)
686 calThr = 3.1;
687 else if (thr >= 2.)
688 calThr = (3.1+1.15*thr-1.7);
689 else
690 calThr = (3.1-0.3*thr+0.3*thr*thr);
691
692 if (scaled) calThr *= 4./(3.1+1.15*4.-1.7);
693
694 return calThr;
695}