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 **************************************************************************/
17 /*********************************************************************
18 * T0 reconstruction and filling ESD
19 * - reconstruct mean time (interation time)
22 ********************************************************************/
24 #include <AliESDEvent.h>
26 #include "AliT0RecPoint.h"
27 #include "AliRawReader.h"
28 #include "AliT0RawReader.h"
29 #include "AliT0digit.h"
30 #include "AliT0Reconstructor.h"
31 #include "AliT0Parameters.h"
32 #include "AliT0Calibrator.h"
33 #include "AliESDfriend.h"
34 #include "AliESDTZERO.h"
35 #include "AliESDTZEROfriend.h"
37 #include "AliCDBEntry.h"
38 #include "AliCDBManager.h"
39 #include "AliCTPTimeParams.h"
40 #include "AliLHCClockPhase.h"
41 #include "AliT0CalibSeasonTimeShift.h"
42 #include "AliESDRun.h"
47 #include <Riostream.h>
49 ClassImp(AliT0Reconstructor)
51 AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
67 fESDTZEROfriend(NULL),
72 for (Int_t i=0; i<24; i++) fTime0vertex[i] =0;
75 AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
76 if (!entry) AliFatal("CTP timing parameters are not found in OCDB !");
77 AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
78 Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
80 AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
81 if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !");
82 AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
83 l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
85 AliCDBEntry *entry4 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase");
86 if (!entry4) AliFatal("LHC clock-phase shift is not found in OCDB !");
87 AliLHCClockPhase *phase = (AliLHCClockPhase*)entry4->GetObject();
89 fGRPdelays = l1Delay - phase->GetMeanPhase();
91 AliCDBEntry *entry5 = AliCDBManager::Instance()->Get("T0/Calib/TimeAdjust");
93 AliT0CalibSeasonTimeShift *timeshift = (AliT0CalibSeasonTimeShift*)entry5->GetObject();
94 fTimeMeanShift = timeshift->GetT0Means();
95 fTimeSigmaShift = timeshift->GetT0Sigmas();
98 AliWarning("Time Adjust is not found in OCDB !");
100 fParam = AliT0Parameters::Instance();
103 for (Int_t i=0; i<24; i++){
104 TGraph* gr = fParam ->GetAmpLEDRec(i);
105 if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ;
106 TGraph* gr1 = fParam ->GetAmpLED(i);
107 if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ;
108 TGraph* gr2 = fParam ->GetQTC(i);
109 if (gr2) fQTC.AddAtAndExpand(gr2,i) ;
110 fTime0vertex[i] = fParam->GetCFD(i);
112 fLatencyL1 = fParam->GetLatencyL1();
113 fLatencyL1A = fParam->GetLatencyL1A();
114 fLatencyL1C = fParam->GetLatencyL1C();
115 fLatencyHPTDC = fParam->GetLatencyHPTDC();
116 AliDebug(2,Form(" LatencyL1 %f latencyL1A %f latencyL1C %f latencyHPTDC %f \n",fLatencyL1, fLatencyL1A, fLatencyL1C, fLatencyHPTDC));
118 for (Int_t i=0; i<24; i++) {
119 if( fTime0vertex[i] < 500 || fTime0vertex[i] > 60000)
120 { fTime0vertex[i] =( 1000.*fLatencyHPTDC - 1000.*fLatencyL1 + 1000.*fGRPdelays)/24.4;
123 AliDebug(2,Form("OCDB mean CFD time %i %f \n",i, fTime0vertex[i]));
125 //here real Z position
126 fdZonC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
127 fdZonA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
129 fCalib = new AliT0Calibrator();
130 fESDTZEROfriend = new AliESDTZEROfriend();
131 fESDTZERO = new AliESDTZERO();
136 //_____________________________________________________________________________
137 void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
139 // T0 digits reconstruction
140 Int_t refAmp = 0 ; /*Int_t (GetRecoParam()->GetRefAmp());*/
142 TArrayI * timeCFD = new TArrayI(24);
143 TArrayI * timeLED = new TArrayI(24);
144 TArrayI * chargeQT0 = new TArrayI(24);
145 TArrayI * chargeQT1 = new TArrayI(24);
148 Float_t c = 29.9792458; // cm/ns
149 Float_t channelWidth = fParam->GetChannelWidth() ;
150 Double32_t vertex = 9999999, meanVertex = 0 ;
151 Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
154 AliDebug(1,Form("Start DIGITS reconstruction "));
156 Float_t lowAmpThreshold = GetRecoParam()->GetAmpLowThreshold();
157 Float_t highAmpThreshold = GetRecoParam()->GetAmpHighThreshold();
158 printf("Reconstruct(TTree*digitsTree highAmpThreshold %f lowAmpThreshold %f \n",lowAmpThreshold, highAmpThreshold);
160 //shift T0A, T0C , T0AC
161 Float_t shiftA = GetRecoParam() -> GetLow(310);
162 Float_t shiftC = GetRecoParam() -> GetLow(311);
163 Float_t shiftAC = GetRecoParam() -> GetLow(312);
164 AliDebug(2, Form("Reconstruct(TTree*digitsTree shiftA %f shiftC %f shiftAC %f \n",shiftA, shiftC, shiftAC));
166 Double32_t besttimeA=9999999; Double32_t besttimeA_best=9999999;
167 Double32_t besttimeC=9999999; Double32_t besttimeC_best=9999999;
168 Int_t timeDelayCFD[24];
171 for (Int_t i=0; i<24; i++) {
172 badpmt[i] = GetRecoParam() -> GetBadChannels(i);
173 timeDelayCFD[i] = Int_t (fParam->GetTimeDelayCFD(i));
176 TBranch *brDigits=digitsTree->GetBranch("T0");
177 AliT0digit *fDigits = new AliT0digit() ;
179 brDigits->SetAddress(&fDigits);
181 AliError(Form("EXEC Branch T0 digits not found"));
185 digitsTree->GetEvent(0);
186 digitsTree->GetEntry(0);
187 brDigits->GetEntry(0);
188 fDigits->GetTimeCFD(*timeCFD);
189 fDigits->GetTimeLED(*timeLED);
190 fDigits->GetQT0(*chargeQT0);
191 fDigits->GetQT1(*chargeQT1);
192 Int_t onlineMean = fDigits->MeanTime();
195 for (Int_t i=0; i<5; i++) tr[i]=false;
198 AliT0RecPoint frecpoints;
199 AliT0RecPoint * pfrecpoints = &frecpoints;
200 clustersTree->Branch( "T0", "AliT0RecPoint" ,&pfrecpoints);
202 Float_t time[24], adc[24], adcmip[24];
203 for (Int_t ipmt=0; ipmt<24; ipmt++) {
204 if(timeCFD->At(ipmt)>0 ) {
205 Float_t timefull = 0.001*( timeCFD->At(ipmt) - 511 - timeDelayCFD[ipmt]) * channelWidth;
206 frecpoints.SetTimeFull(ipmt, 0 ,timefull) ;
207 if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)
208 adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
212 time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]), timeCFD->At(ipmt)) ;
213 time[ipmt] = time[ipmt] - 511;
214 Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
215 // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD->At(ipmt) ) ;
216 AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
217 ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
220 TGraph* ampGraph = (TGraph*)fAmpLED.At(ipmt);
221 if (ampGraph) ampMip = ampGraph->Eval(sl);
223 TGraph* qtGraph = (TGraph*)fQTC.At(ipmt);
224 if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
225 AliDebug(5,Form(" Amlitude in MIPS LED %f , QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
226 frecpoints.SetTime(ipmt, Float_t(time[ipmt]) );
227 frecpoints.SetAmpLED(ipmt, Float_t( ampMip));
228 frecpoints.SetAmp(ipmt, Float_t(qtMip));
240 for (Int_t ipmt=0; ipmt<12; ipmt++){
241 if(time[ipmt] !=0 && time[ipmt] > 0
242 && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold )
244 if(time[ipmt]<besttimeC) besttimeC=time[ipmt]; //timeC
245 if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeC_best))
246 besttimeC_best=time[ipmt]; //timeC
249 for ( Int_t ipmt=12; ipmt<24; ipmt++)
251 if(time[ipmt] != 0 && time[ipmt] > 0
252 && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold)
254 if(time[ipmt]<besttimeA) besttimeA=time[ipmt];
255 if(TMath::Abs(time[ipmt] ) < TMath::Abs(besttimeA_best))
256 besttimeA_best=time[ipmt]; //timeA
260 if( besttimeA < 999999 && besttimeA!=0) {
261 frecpoints.SetTimeBestA((besttimeA_best * channelWidth - fdZonA/c) );
262 frecpoints.SetTime1stA((besttimeA * channelWidth - fdZonA/c - shiftA) );
266 if( besttimeC < 999999 && besttimeC!=0) {
267 frecpoints.SetTimeBestC((besttimeC_best * channelWidth - fdZonC/c) );
268 frecpoints.SetTime1stC((besttimeC * channelWidth - fdZonC/c - shiftC) );
272 AliDebug(5,Form("1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f ",
273 besttimeA, besttimeA_best,
274 besttimeC, besttimeC_best) );
276 if(besttimeA <999999 && besttimeC < 999999 ){
277 // timeDiff = (besttimeC - besttimeA)*channelWidth;
278 timeDiff = (besttimeA - besttimeC)*channelWidth;
279 meanTime = channelWidth * (besttimeA_best + besttimeC_best)/2. ;
280 timeclock = channelWidth * (besttimeA + besttimeC)/2. - shiftAC ;
281 vertex = meanVertex - 0.001* c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
284 frecpoints.SetVertex(vertex);
285 frecpoints.SetMeanTime(meanTime );
286 frecpoints.SetT0clock(timeclock );
287 frecpoints.SetT0Trig(tr);
289 AliDebug(5,Form("fRecPoints::: 1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f vertex %f",
290 frecpoints.Get1stTimeA(), frecpoints.GetBestTimeA(),
291 frecpoints.Get1stTimeC(), frecpoints.GetBestTimeC(),
294 AliDebug(5,Form("T0 triggers %d %d %d %d %d",tr[0],tr[1],tr[2],tr[3],tr[4]));
297 frecpoints.SetOnlineMean(Int_t(onlineMean));
298 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));
300 clustersTree->Fill();
309 //_______________________________________________________________________
311 void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
316 Float_t meanOrA = fTime0vertex[0] + 587;
317 Float_t meanOrC = fTime0vertex[0] + 678;
318 Float_t meanTVDC = fTime0vertex[0] + 2564;
319 Float_t meanQT1 = fTime0vertex[0] + 2564;
320 Float_t meanQT0 = fTime0vertex[0] + 3564;
322 Int_t timeDelayCFD[24];
323 Int_t corridor = GetRecoParam() -> GetCorridor();
324 if(fIsCDFfromGRP) corridor *=5;
325 AliDebug(10,Form("fIsCDFfromGRP %i corridor %i \n",fIsCDFfromGRP, corridor) );
328 for (Int_t i=0; i<24; i++) {
329 badpmt[i] = GetRecoParam() -> GetBadChannels(i);
330 timeDelayCFD[i] = Int_t (fParam->GetTimeDelayCFD(i));
332 Int_t badLEDminCFD = GetRecoParam() -> GetHigh(350);
333 Int_t equalize = GetRecoParam() -> GetEq();
334 AliDebug(10,Form( "AliT0Reconstructor::Reconstruct::: RecoParam %i LEDminCFD threshold %i \n",equalize, badLEDminCFD) );
335 fCalib->SetEq(equalize);
336 Int_t low[500], high[500];
337 Float_t timefull=-99999;;
338 Float_t tvdc = -99999; Float_t ora = -99999; Float_t orc = -99999;
340 Int_t allData[110][5];
342 Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
343 Float_t time2zero[24];
344 Double32_t timeDiff, meanTime, timeclock;
345 timeDiff = meanTime = timeclock = 9999999;
346 Float_t c = 29.9792458; // cm/ns
347 Double32_t vertex = 9999999;
349 Float_t meanVertex = 0;
351 for (Int_t i0=0; i0<24; i0++) {
352 low[i0] = Int_t(fTime0vertex[i0]) - corridor;
353 high[i0] = Int_t(fTime0vertex[i0]) + corridor;
354 time2zero[i0] = 99999;
355 pedestal[i0]=Int_t (GetRecoParam()->GetLow(100+i0) );
358 for (Int_t i0=0; i0<110; i0++)
359 for (Int_t j0=0; j0<5; j0++) allData[i0][j0]=0;
361 Float_t lowAmpThreshold = GetRecoParam()->GetAmpLowThreshold();
362 Float_t highAmpThreshold = GetRecoParam()->GetAmpHighThreshold();
364 Double32_t besttimeA=9999999; Double32_t besttimeA_best=9999999;
365 Double32_t besttimeC=9999999; Double32_t besttimeC_best=9999999;
367 Float_t channelWidth = fParam->GetChannelWidth() ;
369 AliT0RecPoint frecpoints;
370 AliT0RecPoint * pfrecpoints = &frecpoints;
372 recTree->Branch( "T0", "AliT0RecPoint" ,&pfrecpoints);
374 AliDebug(10," before read data ");
375 AliT0RawReader myrawreader(rawReader);
377 UInt_t type =rawReader->GetType();
379 if (!myrawreader.Next())
380 AliDebug(1,Form(" no raw data found!!"));
383 for (Int_t i=0; i<24; i++)
385 timeCFD[i]=0; timeLED[i]=0; chargeQT0[i]=0; chargeQT1[i]=0;
388 if(type == 7 ) { //only physics
389 for (Int_t i=0; i<107; i++) {
390 for (Int_t iHit=0; iHit<5; iHit++)
392 allData[i][iHit] = myrawreader.GetData(i,iHit);
396 Int_t fBCID=Int_t (rawReader->GetBCID());
397 Int_t trmbunch= myrawreader.GetTRMBunchID();
398 AliDebug(10,Form(" CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
399 if( (trmbunch-fBCID)!=37 ) {
400 AliDebug(0,Form("wrong :::: CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
403 for (Int_t in=0; in<12; in++)
405 for (Int_t iHit=0; iHit<5; iHit++)
407 if(allData[in+1][iHit] > low[in] &&
408 allData[in+1][iHit] < high[in])
410 timeCFD[in] = allData[in+1][iHit] ;
414 for (Int_t iHit=0; iHit<5; iHit++)
416 if(allData[in+1+56][iHit] > low[in+12] &&
417 allData[in+1+56][iHit] < high[in+12])
419 timeCFD[in+12] = allData[in+56+1][iHit] ;
423 timeLED[in+12] = allData[in+68+1][0] ;
424 timeLED[in] = allData[in+12+1][0] ;
425 AliDebug(50, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
426 in, timeCFD[in],timeCFD[in+12],timeLED[in],
431 for (Int_t in=0; in<12; in++)
433 for (Int_t iHit=0; iHit<5; iHit++)
435 if (allData[2*in+26][iHit] > fTime0vertex[0]+2000 &&
436 allData[2*in+26][iHit] <fTime0vertex[0]+3000 ) {
437 chargeQT1[in]=allData[2*in+26][0];
442 for (Int_t iHit=0; iHit<5; iHit++)
444 if( (allData[2*in+25][iHit] - chargeQT1[in])>800
447 chargeQT0[in]=allData[2*in+25][0];
448 AliDebug(25, Form(" readed Raw %i %i %i",
449 in, chargeQT0[in],chargeQT1[in]));
454 for (Int_t in=12; in<24; in++)
456 for (Int_t iHit=0; iHit<5; iHit++)
458 if (allData[2*in+58][iHit] > fTime0vertex[0]+2000 &&
459 allData[2*in+58][iHit] <fTime0vertex[0]+3000 )
461 chargeQT1[in]=allData[2*in+58][0];
465 for (Int_t iHit=0; iHit<5; iHit++)
467 if( (allData[2*in+57][iHit] - chargeQT1[in])>800 &&
470 chargeQT0[in]=allData[2*in+57][0];
471 AliDebug(25, Form(" readed Raw %i %i %i",
472 in, chargeQT0[in],chargeQT1[in]));
478 onlineMean = allData[49][0];
480 Double32_t time[24], adc[24], adcmip[24], noncalibtime[24];
481 for (Int_t ipmt=0; ipmt<24; ipmt++) {
482 if(timeCFD[ipmt] > 0 && (chargeQT0[ipmt] - chargeQT1[ipmt])> 0 &&
483 (timeLED[ipmt]-timeCFD[ipmt])<badLEDminCFD){
486 adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
487 Int_t refAmp = Int_t (fTime0vertex[ipmt]);
488 time[ipmt] = fCalib-> WalkCorrection( refAmp, ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
489 Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
490 // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
491 AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
492 ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
494 TGraph * ampGraph = (TGraph*)fAmpLED.At(ipmt);
495 if (ampGraph) ampMip = ampGraph->Eval(sl);
497 TGraph * qtGraph = (TGraph*)fQTC.At(ipmt);
498 if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
499 AliDebug(10,Form(" Amlitude in MIPS LED %f ; QTC %f; in channels %f\n ",ampMip,qtMip, adc[ipmt]));
501 frecpoints.SetTime(ipmt, Float_t(time[ipmt]) );
503 frecpoints.SetTime(ipmt, Float_t(time[ipmt] + fTime0vertex[ipmt]) );
504 // frecpoints.SetTime(ipmt, Float_t(time[ipmt] ) );
506 frecpoints.SetAmp(ipmt, Double32_t( qtMip));
508 frecpoints.SetAmpLED(ipmt, Double32_t(ampMip));
509 noncalibtime[ipmt]= Double32_t (timeCFD[ipmt]);
515 noncalibtime[ipmt] = -9999;
518 fESDTZEROfriend->SetT0timeCorr(noncalibtime) ;
520 for (Int_t ipmt=0; ipmt<12; ipmt++){
521 if(time[ipmt] !=0 && time[ipmt] > -9000
522 /*&& badpmt[ipmt]==0 */
523 && adcmip[ipmt]>lowAmpThreshold )
525 if(time[ipmt]<besttimeC) besttimeC=time[ipmt]; //timeC
526 if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeC_best))
527 besttimeC_best=time[ipmt]; //timeC
530 for ( Int_t ipmt=12; ipmt<24; ipmt++)
532 if(time[ipmt] != 0 && time[ipmt] > -9000
533 /* && badpmt[ipmt]==0*/
534 && adcmip[ipmt]>lowAmpThreshold )
536 if(time[ipmt]<besttimeA) besttimeA=time[ipmt];
537 if(TMath::Abs(time[ipmt] ) < TMath::Abs(besttimeA_best))
538 besttimeA_best=time[ipmt]; //timeA
542 if(besttimeA < 999999 && besttimeA!=0 ) {
544 frecpoints.SetTime1stA((besttimeA * channelWidth)- 1000.*fLatencyHPTDC + 1000.*fLatencyL1A - 1000.*fGRPdelays - fTimeMeanShift[1] );
547 frecpoints.SetTimeBestA((besttimeA_best * channelWidth ));
548 frecpoints.SetTime1stA((besttimeA * channelWidth - fTimeMeanShift[1]));
551 if( besttimeC < 999999 && besttimeC!=0) {
553 frecpoints.SetTime1stC((besttimeC * channelWidth)- 1000.*fLatencyHPTDC +1000.*fLatencyL1C - 1000.*fGRPdelays - fTimeMeanShift[2]);
556 frecpoints.SetTimeBestC((besttimeC_best * channelWidth ));
557 frecpoints.SetTime1stC((besttimeC * channelWidth - fTimeMeanShift[2]));
560 AliDebug(5,Form("1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f ",
561 besttimeA, besttimeA_best,
562 besttimeC, besttimeC_best) );
563 AliDebug(5,Form("fRecPoints::: 1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f shiftA %f shiftC %f ",
564 frecpoints.Get1stTimeA(), frecpoints.GetBestTimeA(),
565 frecpoints.Get1stTimeC(), frecpoints.GetBestTimeC(),
566 fTimeMeanShift[1],fTimeMeanShift[2] ) );
567 if( besttimeC < 999999 && besttimeA < 999999) {
569 timeclock = (channelWidth*(besttimeC + besttimeA)/2.- 1000.*fLatencyHPTDC +1000.*fLatencyL1 - 1000.*fGRPdelays - fTimeMeanShift[0]);
572 timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - fTimeMeanShift[0];
573 meanTime = channelWidth * Float_t(besttimeA_best + besttimeC_best )/2.;
575 timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth ;
576 vertex = meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2;
580 AliDebug(1,Form(" timeDiff %f #channel, meanTime %f #ps, TOFmean%f vertex %f cm meanVertex %f \n",timeDiff, meanTime,timeclock, vertex,meanVertex));
581 frecpoints.SetT0clock(timeclock);
582 frecpoints.SetVertex(vertex);
583 frecpoints.SetMeanTime(meanTime);
584 frecpoints.SetOnlineMean(Int_t(onlineMean));
588 Int_t trchan[5] = {50,51,52,55,56};
589 Float_t lowtr[5] = {meanTVDC-700, meanOrA-700, meanOrC-700, meanOrC-1000, meanOrC-1000 };
590 Float_t hightr[5] = {meanTVDC+700, meanOrA+700, meanOrC+700, meanOrC+1000, meanOrC+1000};
592 for (Int_t i=0; i<5; i++) tr[i] = false;
593 for (Int_t itr=0; itr<5; itr++) {
594 for (Int_t iHit=0; iHit<1; iHit++)
596 Int_t trr=trchan[itr];
597 if( allData[trr][iHit] > lowtr[itr] && allData[trr][iHit] < hightr[itr]) tr[itr]=true;
599 AliDebug(15,Form("Reconstruct ::: T0 triggers iHit %i tvdc %d orA %d orC %d centr %d semicentral %d",iHit, tr[0],tr[1],tr[2],tr[3],tr[4]));
602 frecpoints.SetT0Trig(tr);
604 // all times with amplitude correction
606 for (Int_t iHit=0; iHit<5; iHit++)
608 timefull = timecent = -9999;
609 tvdc = ora = orc = -9999;
610 if(allData[50][iHit]>0)
611 tvdc = (Float_t(allData[50][iHit]) - meanTVDC) * channelWidth* 0.001;
612 if(allData[51][iHit]>0)
613 ora = (Float_t(allData[51][iHit]) - meanOrA) * channelWidth* 0.001;
615 if(allData[52][iHit]>0)
616 orc = (Float_t(allData[52][iHit]) - meanOrC) * channelWidth* 0.001;
618 frecpoints.SetOrC( iHit, orc);
619 frecpoints.SetOrA( iHit, ora);
620 frecpoints.SetTVDC( iHit, tvdc);
621 for (Int_t i0=0; i0<12; i0++) {
623 timecent = fTime0vertex[i0] + timeDelayCFD[i0];
625 timecent = fTime0vertex[i0];
627 if(allData[i0+1][iHit]>1)
628 timefull = (Float_t(allData[i0+1][iHit]) - timecent)* channelWidth* 0.001;
629 frecpoints.SetTimeFull(i0, iHit,timefull) ;
630 // if(allData[i0+1][iHit]>1) printf("i0 %d iHit %d data %d fTime0vertex %f timefull %f \n",i0, iHit, allData[i0+1][iHit], fTime0vertex[i0], timefull);
634 for (Int_t i0=12; i0<24; i0++) {
637 timecent = fTime0vertex[i0] + timeDelayCFD[i0];
639 timecent = fTime0vertex[i0];
640 if(allData[i0+45][iHit]>1) {
641 timefull = (Float_t(allData[i0+45][iHit]) - timecent)* channelWidth* 0.001;
643 // if(allData[i0+45][iHit]>1) printf("i0 %d iHit %d data %d fTime0vertex %f timefull %f \n",i0, iHit, allData[i0+45][iHit], fTime0vertex[i0], timefull);
644 frecpoints.SetTimeFull(i0, iHit, timefull) ;
650 Float_t mpda_start=0, mpdc_start=0;
651 for (Int_t iHit=0; iHit<5; iHit++)
653 if (allData[54][iHit] > fTime0vertex[0]+2000 &&
654 allData[54][iHit] <fTime0vertex[0]+3000 ) {
655 mpda_start=Float_t(allData[54][iHit]);
656 AliDebug(15,Form("Reconstruct ::: T0 MPD iHit %i MPDA start %f",iHit, mpda_start ));
661 for (Int_t iHit=0; iHit<5; iHit++)
663 if(allData[53][iHit] > fTime0vertex[0]+3000 &&
664 (allData[53][iHit]-mpda_start)>800 && mpda_start>0 && tr[1]) {
665 frecpoints.SetMultA(Float_t(allData[53][iHit] - mpda_start) );
666 AliDebug(15,Form("Reconstruct ::: T0 MPD iHit %i MPDA stop %i MPD %f",iHit, allData[53][iHit],Float_t(allData[53][iHit] - mpda_start) ));
670 for (Int_t iHit=0; iHit<5; iHit++)
672 if (allData[106][iHit] > fTime0vertex[0]+2000 &&
673 allData[106][iHit] <fTime0vertex[0]+3000 ) {
674 mpdc_start=allData[54][iHit];
675 AliDebug(15,Form("Reconstruct ::: T0 MPD iHit %i MPDC start %f ",iHit, mpdc_start));
679 for (Int_t iHit=0; iHit<5; iHit++)
681 if(allData[105][iHit] > fTime0vertex[0]+3000 &&
682 (allData[105][iHit]-mpdc_start)>800 && mpdc_start>0 && tr[2]) {
683 frecpoints.SetMultC(Float_t(allData[105][iHit] - mpdc_start) );
684 AliDebug(15,Form("Reconstruct ::: T0 MPD iHit %i MPDC stop %i MPD %f",iHit, allData[105][iHit],Float_t(allData[105][iHit] - mpdc_start) ));
688 } // if (else )raw data
693 //____________________________________________________________
695 void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
698 /***************************************************
699 Resonstruct digits to vertex position
700 ****************************************************/
702 AliDebug(1,Form("Start FillESD T0"));
704 AliError("No ESD Event");
707 pESD ->SetT0spread(fTimeSigmaShift);
710 Float_t channelWidth = fParam->GetChannelWidth() ;
711 Float_t c = 0.0299792458; // cm/ps
712 Float_t currentVertex=0, shift=0;
714 const AliESDVertex* vertex = pESD->GetPrimaryVertex();
715 if (!vertex) vertex = pESD->GetPrimaryVertexSPD();
716 if (!vertex) vertex = pESD->GetPrimaryVertexTPC();
717 if (!vertex) vertex = pESD->GetVertex();
720 AliDebug(2, Form("Got %s (%s) from ESD: %f",
721 vertex->GetName(), vertex->GetTitle(), vertex->GetZ()));
722 currentVertex = vertex->GetZ();
724 ncont = vertex->GetNContributors();
726 shift = currentVertex/c;
729 TTree *treeR = clustersTree;
731 AliT0RecPoint frecpoints;
732 AliT0RecPoint * pfrecpoints = &frecpoints;
734 AliDebug(1,Form("Start FillESD T0"));
735 TBranch *brRec = treeR->GetBranch("T0");
737 brRec->SetAddress(&pfrecpoints);
739 AliError(Form("EXEC Branch T0 rec not found"));
744 Double32_t amp[24], time[24], ampQTC[24], timecorr[24];
746 for(Int_t i=0; i<24; i++)
747 amp[i]=time[i]=ampQTC[i]=timecorr[i]=0;
750 Double32_t timeClock[3];
751 Double32_t zPosition = frecpoints.GetVertex();
753 timeClock[0] = frecpoints.GetT0clock() ;
754 timeClock[1] = frecpoints.Get1stTimeA() + shift;
755 timeClock[2] = frecpoints.Get1stTimeC() - shift;
757 Double32_t timemean[3];
758 timemean[0] = frecpoints.GetMeanTime();
759 timemean[1] = frecpoints.GetBestTimeA() + shift;
760 timemean[2] = frecpoints.GetBestTimeC() - shift;
762 for(Int_t i=0; i<3; i++) {
763 fESDTZERO->SetT0TOF(i,timeClock[i]); // interaction time (ns)
764 fESDTZERO->SetT0TOFbest(i,timemean[i]); // interaction time (ns)
766 for ( Int_t i=0; i<24; i++) {
767 time[i] = frecpoints.GetTime(i); // ps to ns
768 if ( time[i] != 0 && time[i]>-9999) {
769 ampQTC[i] = frecpoints.GetAmp(i);
770 amp[i] = frecpoints.AmpLED(i);
771 AliDebug(1,Form("T0: %i time %f ampQTC %f ampLED %f \n", i, time[i], ampQTC[i], amp[i]));
774 fESDTZERO->SetT0time(time); // best TOF on each PMT
775 fESDTZERO->SetT0amplitude(ampQTC); // number of particles(MIPs) on each PMT
776 Int_t trig= frecpoints.GetT0Trig();
777 frecpoints.PrintTriggerSignals( trig);
778 // printf(" !!!!! FillESD trigger %i \n",trig);
779 fESDTZERO->SetT0Trig(trig);
780 fESDTZERO->SetT0zVertex(zPosition); //vertex Z position
782 Double32_t multA=frecpoints.GetMultA();
783 Double32_t multC=frecpoints.GetMultC();
784 fESDTZERO->SetMultA(multA); // for backward compatubility
785 fESDTZERO->SetMultC(multC); // for backward compatubility
788 for (Int_t iHit =0; iHit<5; iHit++ ) {
789 AliDebug(10,Form("FillESD ::: iHit %i tvdc %f orA %f orC %f\n", iHit,
790 frecpoints.GetTVDC(iHit),
791 frecpoints.GetOrA(iHit),
792 frecpoints.GetOrC(iHit) ));
793 fESDTZERO->SetTVDC(iHit,frecpoints.GetTVDC(iHit));
794 fESDTZERO->SetOrA(iHit,frecpoints.GetOrA(iHit));
795 fESDTZERO->SetOrC(iHit,frecpoints.GetOrC(iHit));
797 for (Int_t i0=0; i0<24; i0++) {
798 // if(frecpoints.GetTimeFull(i0,iHit)>0){
799 // printf("FillESD ::: iHit %i cfd %i time %f \n", iHit, i0, frecpoints.GetTimeFull(i0,iHit));
800 fESDTZERO->SetTimeFull(i0, iHit,frecpoints.GetTimeFull(i0,iHit));
806 AliDebug(1,Form("T0: SPDshift %f Vertex %f (T0A+T0C)/2 best %f #ps T0signal %f ps OrA %f ps OrC %f ps T0trig %i\n",shift, zPosition, timemean[0], timeClock[0], timeClock[1], timeClock[2], trig));
808 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
810 Bool_t background = BackgroundFlag();
811 fESDTZERO->SetBackgroundFlag(background);
812 Bool_t pileup = PileupFlag();
813 fESDTZERO->SetPileupFlag(pileup);
814 for (Int_t i=0; i<5; i++) {
815 fESDTZERO->SetPileupTime(i, frecpoints.GetTVDC(i) ) ;
816 // printf("!!!!!! FillESD :: pileup %i %f %f \n", i,fESDTZERO->GetPileupTime(i), frecpoints.GetTVDC(i));
818 Bool_t sat = SatelliteFlag();
819 fESDTZERO->SetSatelliteFlag(sat);
821 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
824 AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
826 AliDebug(10, Form("Writing TZERO friend data to ESD tree"));
829 tcorr = fESDTZEROfriend->GetT0timeCorr();
830 for ( Int_t i=0; i<24; i++) {
831 if(i<12 && time[i]>1) timecorr[i] = tcorr[i] - shift/channelWidth;
832 if(i>11 && time[i]>1) timecorr[i] = tcorr[i] + shift/channelWidth;
833 if(time[i]>1) AliDebug(10,Form("T0 friend : %i time %f ampQTC %f ampLED %f \n", i, timecorr[i], ampQTC[i], amp[i]));
835 fESDTZEROfriend->SetT0timeCorr( timecorr) ;
836 fESDTZEROfriend->SetT0ampLEDminCFD(amp);
837 fESDTZEROfriend->SetT0ampQTC(ampQTC);
838 fr->SetTZEROfriend(fESDTZEROfriend);
842 pESD->SetTZEROData(fESDTZERO);
845 } // vertex in 3 sigma
847 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
848 //____________________________________________________________
850 Bool_t AliT0Reconstructor::PileupFlag() const
853 Bool_t pileup = false;
855 for (Int_t ih=0; ih<5; ih++)
857 tvdc[ih] = fESDTZERO->GetTVDC(ih);
859 if( tvdc[0] !=0 && tvdc[0]> -10 && tvdc[0]< 10 )
860 if(ih>0 && tvdc[ih]>20 ) pileup = true;
861 if( tvdc[0] >20 || (tvdc[0] < -20 && tvdc[0] > -9000) ) pileup =true;
862 // if (pileup) printf(" !!!!! pile up %i tvdc %f \n",ih, tvdc[ih]);
870 //____________________________________________________________
872 Bool_t AliT0Reconstructor::BackgroundFlag() const
875 Bool_t background = false;
877 Float_t orA = fESDTZERO->GetOrA(0);
878 Float_t orC = fESDTZERO->GetOrC(0);
879 Float_t tvdc = fESDTZERO->GetTVDC(ih);
881 if ( (orA > -5 && orA <5) && (orC > -5 && orC <5) && (tvdc < -5 || tvdc > 5)) {
883 // printf(" orA %f orC %f tvdc %f\n", orA, orC, tvdc);
892 //____________________________________________________________
894 Bool_t AliT0Reconstructor::SatelliteFlag() const
897 Float_t satelliteLow = GetRecoParam() -> GetLowSatelliteThreshold();
898 Float_t satelliteHigh = GetRecoParam() -> GetHighSatelliteThreshold();
899 Bool_t satellite = false;
900 for (Int_t i0=0; i0<24; i0++) {
901 Float_t timefull = fESDTZERO -> GetTimeFull(i0,0);
902 if( timefull > satelliteLow && timefull < satelliteHigh) satellite=true;