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1
2/**************************************************************************
3 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * *
5 * Author: The ALICE Off-line Project. *
6 * Contributors are mentioned in the code where appropriate. *
7 * *
8 * Permission to use, copy, modify and distribute this software and its *
9 * documentation strictly for non-commercial purposes is hereby granted *
10 * without fee, provided that the above copyright notice appears in all *
11 * copies and that both the copyright notice and this permission notice *
12 * appear in the supporting documentation. The authors make no claims *
13 * about the suitability of this software for any purpose. It is *
14 * provided "as is" without express or implied warranty. *
15 **************************************************************************/
16
17/* $Id$ */
18/*********************************************************************
19 * T0 reconstruction and filling ESD
20 * - reconstruct mean time (interation time)
21 * - vertex position
22 * - multiplicity
23 ********************************************************************/
24
25#include <AliESDEvent.h>
26#include "AliLog.h"
27#include "AliT0RecPoint.h"
28#include "AliRawReader.h"
29#include "AliT0RawReader.h"
30#include "AliT0digit.h"
31#include "AliT0Reconstructor.h"
32#include "AliT0Parameters.h"
33#include "AliT0Calibrator.h"
34#include "AliESDfriend.h"
35#include "AliESDTZEROfriend.h"
36#include "AliLog.h"
37#include "AliCDBEntry.h"
38#include "AliCDBManager.h"
39#include "AliCTPTimeParams.h"
40#include "AliLHCClockPhase.h"
41
42#include <TArrayI.h>
43#include <TGraph.h>
44#include <TMath.h>
45#include <Riostream.h>
46
47ClassImp(AliT0Reconstructor)
48
49 AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
50 fdZonA(0),
51 fdZonC(0),
52 fZposition(0),
53 fParam(NULL),
54 fAmpLEDrec(),
55 fQTC(0),
56 fAmpLED(0),
57 fCalib(),
58 fLatencyHPTDC(9000),
59 fLatencyL1(0),
60 fLatencyL1A(0),
61 fLatencyL1C(0),
62 fGRPdelays(0),
63 fESDTZEROfriend(NULL)
64
65{
66 //constructor
67 AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
68 if (!entry) AliFatal("CTP timing parameters are not found in OCDB !");
69 AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
70 Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
71
72 AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
73 if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !");
74 AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
75 l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
76
77 AliCDBEntry *entry4 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase");
78 if (!entry4) AliFatal("LHC clock-phase shift is not found in OCDB !");
79 AliLHCClockPhase *phase = (AliLHCClockPhase*)entry4->GetObject();
80
81 fGRPdelays = l1Delay - phase->GetMeanPhase();
82
83 fParam = AliT0Parameters::Instance();
84 fParam->Init();
85
86 for (Int_t i=0; i<24; i++){
87 TGraph* gr = fParam ->GetAmpLEDRec(i);
88 if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
89 TGraph* gr1 = fParam ->GetAmpLED(i);
90 if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
91 TGraph* gr2 = fParam ->GetQTC(i);
92 if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
93 }
94
95 fLatencyL1 = fParam->GetLatencyL1();
96 fLatencyL1A = fParam->GetLatencyL1A();
97 fLatencyL1C = fParam->GetLatencyL1C();
98 fLatencyHPTDC = fParam->GetLatencyHPTDC();
99 AliDebug(2,Form(" LatencyL1 %f latencyL1A %f latencyL1C %f latencyHPTDC %f \n",fLatencyL1, fLatencyL1A, fLatencyL1C, fLatencyHPTDC));
100
101 // fdZonC = TMath::Abs(fParam->GetZPositionShift("T0/C/PMT1"));
102 //fdZonA = TMath::Abs(fParam->GetZPositionShift("T0/A/PMT15"));
103 //here real Z position
104 fdZonC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
105 fdZonA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
106
107 fCalib = new AliT0Calibrator();
108 fESDTZEROfriend = new AliESDTZEROfriend();
109
110}
111
112//_____________________________________________________________________________
113void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
114
115{
116 // T0 digits reconstruction
117 Int_t refAmp = Int_t (GetRecoParam()->GetRefAmp());
118
119 TArrayI * timeCFD = new TArrayI(24);
120 TArrayI * timeLED = new TArrayI(24);
121 TArrayI * chargeQT0 = new TArrayI(24);
122 TArrayI * chargeQT1 = new TArrayI(24);
123
124
125 Float_t channelWidth = fParam->GetChannelWidth() ;
126 Float_t meanVertex = fParam->GetMeanVertex();
127 Float_t c = 0.0299792; // cm/ps
128 Double32_t vertex = 9999999;
129 Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
130
131
132 AliDebug(1,Form("Start DIGITS reconstruction "));
133
134
135 TBranch *brDigits=digitsTree->GetBranch("T0");
136 AliT0digit *fDigits = new AliT0digit() ;
137 if (brDigits) {
138 brDigits->SetAddress(&fDigits);
139 }else{
140 AliError(Form("EXEC Branch T0 digits not found"));
141 return;
142 }
143
144 digitsTree->GetEvent(0);
145 digitsTree->GetEntry(0);
146 brDigits->GetEntry(0);
147 fDigits->GetTimeCFD(*timeCFD);
148 fDigits->GetTimeLED(*timeLED);
149 fDigits->GetQT0(*chargeQT0);
150 fDigits->GetQT1(*chargeQT1);
151 Int_t onlineMean = fDigits->MeanTime();
152
153 Bool_t tr[5];
154 for (Int_t i=0; i<5; i++) tr[i]=false;
155
156 Double32_t besttimeA=999999;
157 Double32_t besttimeC=999999;
158 Int_t pmtBestA=99999;
159 Int_t pmtBestC=99999;
160
161 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
162 clustersTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
163
164 Float_t time[24], adc[24];
165 for (Int_t ipmt=0; ipmt<24; ipmt++) {
166 if(timeCFD->At(ipmt)>0 ){
167 if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
168 adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
169 else
170 adc[ipmt] = 0;
171
172 time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]), timeCFD->At(ipmt)) ;
173
174 Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
175 // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD->At(ipmt) ) ;
176 AliDebug(10,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
177 ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
178
179 Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
180 Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
181 AliDebug(10,Form(" Amlitude in MIPS LED %f , QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
182
183 frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
184 frecpoints->SetAmpLED(ipmt, Float_t( ampMip)); //for cosmic &pp beam
185 frecpoints->SetAmp(ipmt, Float_t(qtMip));
186
187 }
188 else {
189 time[ipmt] = 0;
190 adc[ipmt] = 0;
191 }
192 }
193
194 for (Int_t ipmt=0; ipmt<12; ipmt++){
195 if(time[ipmt] > 1 ) {
196 if(time[ipmt]<besttimeC){
197 besttimeC=time[ipmt]; //timeC
198 pmtBestC=ipmt;
199 }
200 }
201 }
202 for ( Int_t ipmt=12; ipmt<24; ipmt++){
203 if(time[ipmt] > 1) {
204 if(time[ipmt]<besttimeA) {
205 besttimeA=time[ipmt]; //timeA
206 pmtBestA=ipmt;}
207 }
208 }
209 if(besttimeA < 999999) {
210 frecpoints->SetTimeBestA(Int_t(besttimeA *channelWidth - fdZonA/c));
211 tr[1]=true;
212 }
213 if( besttimeC < 999999 ) {
214 frecpoints->SetTimeBestC(Int_t(besttimeC *channelWidth - fdZonA/c));
215 tr[2]=true;
216 }
217 AliDebug(10,Form(" besttimeA %f ch, besttimeC %f ch",besttimeA, besttimeC));
218 if(besttimeA <999999 && besttimeC < 999999 ){
219 // timeDiff = (besttimeC - besttimeA)*channelWidth;
220 timeDiff = (besttimeA - besttimeC)*channelWidth;
221 meanTime = (besttimeA + besttimeC)/2;// * channelWidth);
222 timeclock = meanTime *channelWidth -fdZonA/c ;
223 vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
224 tr[0]=true;
225 }
226 frecpoints->SetVertex(vertex);
227 frecpoints->SetMeanTime(meanTime);
228 frecpoints->SetT0clock(timeclock);
229 frecpoints->SetT0Trig(tr);
230
231 AliDebug(10,Form("T0 triggers %d %d %d %d %d",tr[0],tr[1],tr[2],tr[3],tr[4]));
232
233 //online mean
234 frecpoints->SetOnlineMean(Int_t(onlineMean));
235 AliDebug(10,Form(" timeDiff %f #channel, meanTime %f #channel, vertex %f cm online mean %i timeclock %f ps",timeDiff, meanTime,vertex, Int_t(onlineMean), timeclock));
236
237
238
239
240
241 clustersTree->Fill();
242
243 delete timeCFD;
244 delete timeLED;
245 delete chargeQT0;
246 delete chargeQT1;
247}
248
249
250//_______________________________________________________________________
251
252void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
253{
254 // T0 raw ->
255 //
256 // reference amplitude and time ref. point from reco param
257
258 Float_t refAmp = GetRecoParam()->GetRefAmp();
259 Int_t refPoint = 0;
260 //Bad channel
261 Int_t badpmt = GetRecoParam()->GetRefPoint();
262 Int_t low[110], high[110];
263
264 Int_t allData[110][5];
265
266 Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
267 Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
268 Float_t c = 29.9792458; // cm/ns
269 Double32_t vertex = 9999999;
270 Int_t onlineMean=0;
271 // Float_t meanVertex = fParam->GetMeanVertex();
272 Float_t meanVertex = 0;
273 for (Int_t i0=0; i0<105; i0++)
274 {
275 for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
276 low[i0] = Int_t (GetRecoParam()->GetLow(i0));
277 high[i0] = Int_t (GetRecoParam()->GetHigh(i0));
278 }
279
280 Double32_t besttimeA=9999999;
281 Double32_t besttimeC=9999999;
282 Int_t pmtBestA=99999;
283 Int_t pmtBestC=99999;
284
285 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
286
287 recTree->Branch( "T0", "AliT0RecPoint" ,&frecpoints);
288
289 AliDebug(10," before read data ");
290 AliT0RawReader myrawreader(rawReader);
291
292 UInt_t type =rawReader->GetType();
293
294 if (!myrawreader.Next())
295 AliDebug(1,Form(" no raw data found!!"));
296 else
297 {
298 for (Int_t i=0; i<24; i++)
299 {
300 timeCFD[i]=0; timeLED[i]=0; chargeQT0[i]=0; chargeQT1[i]=0;
301 }
302 Int_t fBCID=Int_t (rawReader->GetBCID());
303 Int_t trmbunch= myrawreader.GetTRMBunchID();
304 AliDebug(10,Form(" CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
305
306 if(type == 7 ) { //only physics
307 for (Int_t i=0; i<105; i++) {
308 for (Int_t iHit=0; iHit<5; iHit++)
309 {
310 allData[i][iHit] = myrawreader.GetData(i,iHit);
311 }
312 }
313 Int_t ref=0;
314 if (refPoint>0)
315 ref = allData[refPoint][0]-5000;
316
317 Float_t channelWidth = fParam->GetChannelWidth() ;
318
319 // Int_t meanT0 = fParam->GetMeanT0();
320
321 for (Int_t in=0; in<12; in++)
322 {
323 for (Int_t iHit=0; iHit<5; iHit++)
324 {
325 if(allData[in+1][iHit] > low[in+1] &&
326 allData[in+1][iHit] < high[in+1])
327 {
328 timeCFD[in] = allData[in+1][iHit] ;
329 break;
330 }
331 }
332 for (Int_t iHit=0; iHit<5; iHit++)
333 {
334 if(allData[in+12+1][iHit] > low[in+12+1] &&
335 allData[in+1+12][iHit] < high[in+12+1])
336 {
337 timeLED[in] = allData[in+12+1][iHit] ;
338 break;
339 }
340 }
341 for (Int_t iHit=0; iHit<5; iHit++)
342 {
343 if(allData[in+1+56][iHit] > low[in+1+56] &&
344 allData[in+1+56][iHit] < high[in+1+56])
345 {
346 timeCFD[in+12] = allData[in+56+1][iHit] ;
347 break;
348 }
349 }
350
351 for (Int_t iHit=0; iHit<5; iHit++)
352 {
353 if(allData[in+1+68][iHit] > low[in+1+68] &&
354 allData[in+1+68][iHit] < high[in+1+68])
355 {
356 timeLED[in+12] = allData[in+68+1][iHit] ;
357 break;
358 }
359 }
360 AliDebug(10, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
361 in, timeCFD[in],timeCFD[in+12],timeLED[in],
362 timeLED[in+12]));
363
364 }
365
366
367 for (Int_t in=0; in<12; in++)
368 {
369 chargeQT0[in]=allData[2*in+25][0];
370 chargeQT1[in]=allData[2*in+26][0];
371 AliDebug(10, Form(" readed Raw %i %i %i",
372 in, chargeQT0[in],chargeQT1[in]));
373 }
374 for (Int_t in=12; in<24; in++)
375 {
376 chargeQT0[in]=allData[2*in+57][0];
377 chargeQT1[in]=allData[2*in+58][0];
378 AliDebug(10, Form(" readed Raw %i %i %i",
379 in, chargeQT0[in],chargeQT1[in]));
380
381 }
382
383 for (Int_t iHit=0; iHit<5; iHit++)
384 {
385 if(allData[49][iHit] > low[49] &&
386 allData[49][iHit] < high[49]){
387 onlineMean = allData[49][iHit];
388 break;
389 }
390 }
391 Double32_t time[24], adc[24], noncalibtime[24];
392 for (Int_t ipmt=0; ipmt<24; ipmt++) {
393 if(timeCFD[ipmt]>0 ){
394 //for simulated data
395 //for physics data
396 if(( chargeQT0[ipmt] - chargeQT1[ipmt])>0) {
397 adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
398 }
399 else
400 adc[ipmt] = 0;
401 time[ipmt] = fCalib-> WalkCorrection(Int_t (refAmp), ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
402
403 Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
404 // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
405 AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
406 ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
407 Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
408 Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
409 AliDebug(10,Form(" Amlitude in MIPS LED %f ; QTC %f; in channels %f\n ",ampMip,qtMip, adc[ipmt]));
410 //bad peak removing
411 frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
412 // frecpoints->SetTime(ipmt,Double32_t(timeCFD[ipmt]));
413 frecpoints->SetAmp(ipmt, Double32_t( qtMip)); //for cosmic &pp beam
414 frecpoints->SetAmpLED(ipmt, Double32_t(ampMip));
415 noncalibtime[ipmt]= Double32_t (timeCFD[ipmt]);
416 }
417 else {
418 time[ipmt] = 0;
419 adc[ipmt] = 0;
420 noncalibtime[ipmt] = 0;
421 }
422 }
423 fESDTZEROfriend->SetT0timeCorr(noncalibtime) ;
424 for (Int_t ipmt=0; ipmt<12; ipmt++){
425 if(time[ipmt] > 1 && ipmt != badpmt && adc[ipmt]>0.1 )
426 {
427 if(time[ipmt]<besttimeC){
428 besttimeC=time[ipmt]; //timeC
429 pmtBestC=ipmt;
430 }
431 }
432 }
433 for ( Int_t ipmt=12; ipmt<24; ipmt++)
434 {
435 if(time[ipmt] > 1 && ipmt != badpmt && adc[ipmt]>0.1)
436 {
437 if(time[ipmt]<besttimeA) {
438 besttimeA=time[ipmt]; //timeA
439 pmtBestA=ipmt;
440 }
441 }
442 }
443 if(besttimeA < 999999)
444 frecpoints->SetTimeBestA(besttimeA * channelWidth - 1000.*fLatencyHPTDC + 1000.*fLatencyL1A - 1000.*fGRPdelays);
445 if( besttimeC < 999999 )
446 frecpoints->SetTimeBestC(besttimeC * channelWidth - 1000.*fLatencyHPTDC +1000.*fLatencyL1C - 1000.*fGRPdelays);
447 AliDebug(10,Form(" pmtA %i besttimeA %f ps, pmtC %i besttimeC %f ps",
448 pmtBestA,besttimeA, pmtBestC, besttimeC));
449 if(besttimeA <999999 && besttimeC < 999999 ){
450 timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth + fLatencyL1A - fLatencyL1C;
451 timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - 1000.*fLatencyHPTDC + 1000.*fLatencyL1 - 1000.*fGRPdelays;
452 meanTime = (besttimeA+besttimeC-2.*Float_t(ref))/2.;
453 vertex = meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2;
454 }
455 } //if phys event
456 AliDebug(5,Form(" timeDiff %f #channel, meanTime %f #channel, TOFmean%f vertex %f cm meanVertex %f online mean %i \n",timeDiff, meanTime,timeclock, vertex,meanVertex, onlineMean));
457 frecpoints->SetT0clock(timeclock);
458 frecpoints->SetVertex(vertex);
459 frecpoints->SetMeanTime(meanTime);
460 frecpoints->SetOnlineMean(Int_t(onlineMean));
461 // Set triggers
462
463 Bool_t tr[5];
464 Int_t trchan[5]= {50,51,52,55,56};
465 for (Int_t i=0; i<5; i++) tr[i]=false;
466 for (Int_t itr=0; itr<5; itr++) {
467 for (Int_t iHit=0; iHit<5; iHit++)
468 {
469 Int_t trr=trchan[itr];
470 if(allData[trr][iHit] > low[trr] &&
471 allData[trr][iHit] < high[trr]&&
472 allData[trr][iHit] > 0) tr[itr]=true;
473 }
474 }
475 frecpoints->SetT0Trig(tr);
476 } // if (else )raw data
477 recTree->Fill();
478 if(frecpoints) delete frecpoints;
479}
480
481
482 //____________________________________________________________
483
484 void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
485 {
486
487 /***************************************************
488 Resonstruct digits to vertex position
489 ****************************************************/
490
491 AliDebug(1,Form("Start FillESD T0"));
492 Float_t channelWidth = fParam->GetChannelWidth() ;
493 Float_t c = 0.0299792458; // cm/ps
494 Float_t currentVertex=0, shift=0;
495 Int_t ncont=0;
496 const AliESDVertex* vertex = pESD->GetPrimaryVertex();
497 if (!vertex) vertex = pESD->GetPrimaryVertexSPD();
498 if (!vertex) vertex = pESD->GetPrimaryVertexTPC();
499 if (!vertex) vertex = pESD->GetVertex();
500
501 if (vertex) {
502 AliDebug(2, Form("Got %s (%s) from ESD: %f",
503 vertex->GetName(), vertex->GetTitle(), vertex->GetZ()));
504 currentVertex = vertex->GetZ();
505
506 ncont = vertex->GetNContributors();
507 // cout<<"@@ spdver "<<spdver<<" ncont "<<ncont<<endl;
508 if(ncont>2 ) {
509 shift = currentVertex/c;
510 }
511 }
512 TTree *treeR = clustersTree;
513
514 AliT0RecPoint* frecpoints= new AliT0RecPoint ();
515 if (!frecpoints) {
516 AliError("Reconstruct Fill ESD >> no recpoints found");
517 return;
518 }
519
520 AliDebug(1,Form("Start FillESD T0"));
521 TBranch *brRec = treeR->GetBranch("T0");
522 if (brRec) {
523 brRec->SetAddress(&frecpoints);
524 }else{
525 AliError(Form("EXEC Branch T0 rec not found"));
526 return;
527 }
528
529 brRec->GetEntry(0);
530 Double32_t amp[24], time[24], ampQTC[24], timecorr[24];
531 Double32_t* tcorr;
532 for(Int_t i=0; i<24; i++)
533 amp[i]=time[i]=ampQTC[i]=timecorr[i]=0;
534
535 Double32_t timeClock[3];
536 Double32_t zPosition = frecpoints -> GetVertex();
537 Double32_t timeStart = frecpoints -> GetMeanTime();
538 timeClock[0] = frecpoints -> GetT0clock() ;
539 timeClock[1] = frecpoints -> GetBestTimeA() + shift;
540 timeClock[2] = frecpoints -> GetBestTimeC() - shift;
541 for ( Int_t i=0; i<24; i++) {
542 time[i] = frecpoints -> GetTime(i); // ps to ns
543 if ( time[i] >1) {
544 ampQTC[i] = frecpoints -> GetAmp(i);
545 amp[i] = frecpoints -> AmpLED(i);
546 AliDebug(1,Form("T0: time %f ampQTC %f ampLED %f \n", time[i], ampQTC[i], amp[i]));
547 }
548 }
549 Int_t trig= frecpoints ->GetT0Trig();
550 pESD->SetT0Trig(trig);
551
552 pESD->SetT0zVertex(zPosition); //vertex Z position
553 pESD->SetT0(timeStart); // interaction time
554 for(Int_t i=0; i<3; i++)
555 pESD->SetT0TOF(i,timeClock[i]); // interaction time (ns)
556 pESD->SetT0time(time); // best TOF on each PMT
557 pESD->SetT0amplitude(ampQTC); // number of particles(MIPs) on each PMT
558
559 AliDebug(1,Form("T0: Vertex %f (T0A+T0C)/2 %f #channels T0signal %f ns OrA %f ns OrC %f T0trig %i\n",zPosition, timeStart, timeClock[0], timeClock[1], timeClock[2], trig));
560
561 if (pESD) {
562
563 AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
564 if (fr) {
565 AliDebug(1, Form("Writing TZERO friend data to ESD tree"));
566
567 // if (ncont>2) {
568 tcorr = fESDTZEROfriend->GetT0timeCorr();
569 for ( Int_t i=0; i<24; i++) {
570 if(i<12 && time[i]>1) timecorr[i] = tcorr[i] - shift/channelWidth;
571 if(i>11 && time[i]>1) timecorr[i] = tcorr[i] + shift/channelWidth;
572 if(time[i]>1) AliDebug(1,Form("T0 friend : time %f ampQTC %f ampLED %f \n", timecorr[i], ampQTC[i], amp[i]));
573 }
574 fESDTZEROfriend->SetT0timeCorr( timecorr) ;
575 fESDTZEROfriend->SetT0ampLEDminCFD(amp);
576 fESDTZEROfriend->SetT0ampQTC(ampQTC);
577 fr->SetTZEROfriend(fESDTZEROfriend);
578 // }//
579 }
580 }
581
582
583
584} // vertex in 3 sigma
585
586
587
588
589
590