correct T0 calculation for old data
[u/mrichter/AliRoot.git] / T0 / AliT0Reconstructor.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
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13  * provided "as is" without express or implied warranty.                  *
14  **************************************************************************/
15
16 /* $Id$ */
17 /*********************************************************************
18  *  T0 reconstruction and filling ESD
19  *  - reconstruct mean time (interation time) 
20  *  - vertex position
21  *  -  multiplicity
22  ********************************************************************/
23
24 #include <AliESDEvent.h>
25 #include "AliLog.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"
36 #include "AliLog.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"
43
44 #include <TArrayI.h>
45 #include <TGraph.h>
46 #include <TMath.h>
47 #include <Riostream.h>
48
49 ClassImp(AliT0Reconstructor)
50
51   AliT0Reconstructor:: AliT0Reconstructor(): AliReconstructor(),
52                                              fdZonA(0),
53                                              fdZonC(0),
54                                              fZposition(0),
55                                              fParam(NULL),
56                                              fAmpLEDrec(),
57                                              fQTC(0),
58                                              fAmpLED(0),
59                                              fCalib(),
60                                              fLatencyHPTDC(9000),
61                                              fLatencyL1(0),
62                                              fLatencyL1A(0),
63                                              fLatencyL1C(0),
64                                              fGRPdelays(0),
65                                              fTimeMeanShift(0x0),
66                                              fTimeSigmaShift(0x0),
67                                              fESDTZEROfriend(NULL),
68                                              fESDTZERO(NULL)
69
70 {
71   for (Int_t i=0; i<24; i++)  fTime0vertex[i] =0;
72
73   //constructor
74   AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
75   if (!entry) AliFatal("CTP timing parameters are not found in OCDB !");
76   AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
77   Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
78
79   AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
80   if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !");
81   AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
82   l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
83  
84   AliCDBEntry *entry4 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase");
85   if (!entry4) AliFatal("LHC clock-phase shift is not found in OCDB !");
86   AliLHCClockPhase *phase = (AliLHCClockPhase*)entry4->GetObject();
87
88   fGRPdelays = l1Delay - phase->GetMeanPhase();
89
90   AliCDBEntry *entry5 = AliCDBManager::Instance()->Get("T0/Calib/TimeAdjust");
91   if (entry5) {
92     AliT0CalibSeasonTimeShift *timeshift = (AliT0CalibSeasonTimeShift*)entry5->GetObject();
93     fTimeMeanShift = timeshift->GetT0Means();
94     fTimeSigmaShift  = timeshift->GetT0Sigmas();
95    }
96   else
97     AliWarning("Time Adjust is not found in OCDB !");
98  
99   fParam = AliT0Parameters::Instance();
100   fParam->Init();
101  
102   for (Int_t i=0; i<24; i++){
103         TGraph* gr = fParam ->GetAmpLEDRec(i);
104         if (gr) fAmpLEDrec.AddAtAndExpand(gr,i) ; 
105           TGraph* gr1 = fParam ->GetAmpLED(i);
106           if (gr1) fAmpLED.AddAtAndExpand(gr1,i) ; 
107           TGraph* gr2 = fParam ->GetQTC(i);
108           if (gr2) fQTC.AddAtAndExpand(gr2,i) ;         
109           fTime0vertex[i] = fParam->GetCFD(i);
110           AliDebug(2,Form("OCDB mean CFD time %i %f \n",i, fTime0vertex[i]));
111  }
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));
117  
118   for (Int_t i=0; i<24; i++) {
119     if( fTime0vertex[i] < 500 || fTime0vertex[i] > 50000) fTime0vertex[i] =( 1000.*fLatencyHPTDC - 1000.*fLatencyL1 + 1000.*fGRPdelays)/24.4;
120     //  printf(" calulated mean %i %f \n",i, fTime0vertex[i]);
121   }
122   //here real Z position
123   fdZonC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
124   fdZonA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
125
126   fCalib = new AliT0Calibrator();
127   fESDTZEROfriend = new AliESDTZEROfriend();
128   fESDTZERO  = new AliESDTZERO();
129
130  
131 }
132
133 //_____________________________________________________________________________
134 void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
135 {
136   // T0 digits reconstruction
137   Int_t refAmp = 0 ; /*Int_t (GetRecoParam()->GetRefAmp());*/
138   
139   TArrayI * timeCFD = new TArrayI(24); 
140   TArrayI * timeLED = new TArrayI(24); 
141   TArrayI * chargeQT0 = new TArrayI(24); 
142   TArrayI * chargeQT1 = new TArrayI(24); 
143
144  
145   Float_t c = 29.9792458; // cm/ns
146   Float_t channelWidth = fParam->GetChannelWidth() ;  
147   Double32_t vertex = 9999999, meanVertex = 9999999 ;
148   Double32_t timeDiff=999999, meanTime=999999, timeclock=999999;
149   
150   
151   AliDebug(1,Form("Start DIGITS reconstruction "));
152   
153   Float_t lowAmpThreshold =  GetRecoParam()->GetAmpLowThreshold();  
154   Float_t highAmpThreshold =  GetRecoParam()->GetAmpHighThreshold(); 
155   printf( "AliT0Reconstructor::Reconstruct::: RecoParam amplitude %f %f \n",lowAmpThreshold, highAmpThreshold);
156  
157   Double32_t besttimeA=9999999;  Double32_t besttimeA_best=9999999;
158   Double32_t besttimeC=9999999;  Double32_t besttimeC_best=9999999;
159   Int_t timeDelayCFD[24]; 
160   Int_t badpmt[24];
161   //Bad channel
162   for (Int_t i=0; i<24; i++) {
163     badpmt[i] = GetRecoParam() -> GetBadChannels(i);
164     timeDelayCFD[i] =  Int_t (fParam->GetTimeDelayCFD(i));
165   }
166   fCalib->SetEq(0);
167   TBranch *brDigits=digitsTree->GetBranch("T0");
168   AliT0digit *fDigits = new AliT0digit() ;
169   if (brDigits) {
170     brDigits->SetAddress(&fDigits);
171   }else{
172     AliError(Form("EXEC Branch T0 digits not found"));
173     return;
174   }
175   
176   digitsTree->GetEvent(0);
177   digitsTree->GetEntry(0);
178   brDigits->GetEntry(0);
179   fDigits->GetTimeCFD(*timeCFD);
180   fDigits->GetTimeLED(*timeLED);
181   fDigits->GetQT0(*chargeQT0);
182   fDigits->GetQT1(*chargeQT1);
183   Int_t onlineMean =  fDigits->MeanTime();
184   
185   Bool_t tr[5];
186   for (Int_t i=0; i<5; i++) tr[i]=false; 
187   
188   
189   AliT0RecPoint frecpoints;
190   AliT0RecPoint * pfrecpoints = &frecpoints;
191   clustersTree->Branch( "T0", "AliT0RecPoint" ,&pfrecpoints);
192   
193   Float_t time[24], adc[24], adcmip[24];
194   for (Int_t ipmt=0; ipmt<24; ipmt++) {
195     if(timeCFD->At(ipmt)>0 ) {
196       if(( chargeQT1->At(ipmt) - chargeQT0->At(ipmt))>0)  
197         adc[ipmt] = chargeQT1->At(ipmt) - chargeQT0->At(ipmt);
198       else
199         adc[ipmt] = 0;
200       
201       time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]),  timeCFD->At(ipmt)) ;
202       
203       Double_t sl = Double_t(timeLED->At(ipmt) - timeCFD->At(ipmt));
204       //    time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl),  timeCFD->At(ipmt) ) ;
205       AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
206                       ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
207       
208       Double_t ampMip = 0;
209       TGraph* ampGraph = (TGraph*)fAmpLED.At(ipmt);
210       if (ampGraph) ampMip = ampGraph->Eval(sl);
211       Double_t qtMip = 0;
212       TGraph* qtGraph = (TGraph*)fQTC.At(ipmt);
213       if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
214       AliDebug(5,Form("  Amlitude in MIPS LED %f ,  QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
215       frecpoints.SetTime(ipmt, Float_t(time[ipmt]) );
216       frecpoints.SetAmpLED(ipmt, Float_t( ampMip)); 
217       frecpoints.SetAmp(ipmt, Float_t(qtMip));
218       adcmip[ipmt]=qtMip;
219       
220     }
221     else {
222       time[ipmt] = 0;
223       adc[ipmt] = 0;
224       adcmip[ipmt] = 0;
225       
226     }
227   }
228   
229   for (Int_t ipmt=0; ipmt<12; ipmt++){
230     if(time[ipmt] !=0 &&  time[ipmt] > -9000 
231        &&  adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold )
232       {
233         if(time[ipmt]<besttimeC) besttimeC=time[ipmt]; //timeC
234         if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeC_best)) 
235           besttimeC_best=time[ipmt]; //timeC         
236       }
237   }
238   for ( Int_t ipmt=12; ipmt<24; ipmt++)
239     {
240       if(time[ipmt] != 0 &&  time[ipmt] > -9000 
241          && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold)
242         {
243           if(time[ipmt]<besttimeA) besttimeA=time[ipmt]; 
244           if(TMath::Abs(time[ipmt] ) < TMath::Abs(besttimeA_best)) 
245             besttimeA_best=time[ipmt]; //timeA
246         }
247     }
248   
249   if( besttimeA < 999999 && besttimeA!=0) {
250     frecpoints.SetTimeBestA((besttimeA_best * channelWidth  - fdZonA/c)  - 12500.);
251     frecpoints.SetTime1stA((besttimeA * channelWidth  - fdZonA/c)  - 12500.);
252     tr[1]=true;
253   }
254   
255   if( besttimeC < 999999 && besttimeC!=0) {
256     frecpoints.SetTimeBestC((besttimeC_best * channelWidth  - fdZonC/c)  - 12500.);
257     frecpoints.SetTime1stC((besttimeC * channelWidth  - fdZonC/c)  - 12500.);
258     tr[2]=true;
259   }
260   
261   AliDebug(5,Form("1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f ",
262                   besttimeA, besttimeA_best,
263                   besttimeC, besttimeC_best) );
264
265   if(besttimeA <999999 && besttimeC < 999999 ){
266     //    timeDiff = (besttimeC - besttimeA)*channelWidth;
267     timeDiff = (besttimeA - besttimeC)*channelWidth;
268     meanTime = channelWidth * (besttimeA_best + besttimeC_best)/2. ; 
269     timeclock = channelWidth * (besttimeA + besttimeC)/2. ;
270     vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2;
271     tr[0]=true; 
272   }
273   frecpoints.SetVertex(vertex);
274   frecpoints.SetMeanTime(meanTime - 12500.);
275   frecpoints.SetT0clock(timeclock - 12500.);
276   frecpoints.SetT0Trig(tr);
277   
278  AliDebug(5,Form("fRecPoints:::  1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f shiftA %f shiftC %f ",
279                   frecpoints.Get1stTimeA(),  frecpoints.GetBestTimeA(),
280                   frecpoints.Get1stTimeC(),  frecpoints.GetBestTimeC(), 
281                   fTimeMeanShift[1],fTimeMeanShift[2] ) );
282   
283   AliDebug(5,Form("T0 triggers %d %d %d %d %d",tr[0],tr[1],tr[2],tr[3],tr[4]));
284   
285   //online mean
286   frecpoints.SetOnlineMean(Int_t(onlineMean));
287   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));
288   
289   clustersTree->Fill();
290   
291   delete timeCFD;
292   delete timeLED;
293   delete chargeQT0; 
294   delete chargeQT1; 
295 }
296
297
298 //_______________________________________________________________________
299
300 void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) const
301 {
302   // T0 raw ->
303   //
304
305   Float_t meanOrA = fTime0vertex[0] + 587;
306   Float_t meanOrC = fTime0vertex[0] + 678;
307   Float_t meanTVDC = fTime0vertex[0] + 2564;
308   Int_t timeDelayCFD[24]; 
309   
310
311   Int_t badpmt[24];
312   //Bad channel
313   for (Int_t i=0; i<24; i++) {
314     badpmt[i] = GetRecoParam() -> GetBadChannels(i);
315     timeDelayCFD[i] =  Int_t (fParam->GetTimeDelayCFD(i));
316   }
317   Int_t equalize = GetRecoParam() -> GetEq();
318   //  printf( "AliT0Reconstructor::Reconstruct::: RecoParam %i \n",equalize);
319   fCalib->SetEq(equalize);
320   Int_t low[500], high[500];
321   Float_t timefull=-9999;;
322   Float_t tvdc  = -9999; Float_t ora = -9999; Float_t orc = -9999;
323
324   Int_t allData[110][5];
325   
326   Int_t timeCFD[24], timeLED[24], chargeQT0[24], chargeQT1[24];
327   Float_t time2zero[24]; 
328   Double32_t timeDiff, meanTime, timeclock;
329   timeDiff =  meanTime = timeclock = 9999999;
330   Float_t c = 29.9792458; // cm/ns
331   Double32_t vertex = 9999999;
332   Int_t onlineMean=0;
333   Float_t meanVertex = 0;
334   for (Int_t i0=0; i0<24; i0++) {
335     low[i0] = Int_t(fTime0vertex[i0]) - 200;
336     high[i0] = Int_t(fTime0vertex[i0]) + 200;
337     time2zero[i0] = 99999;
338   }
339   
340   for (Int_t i0=0; i0<110; i0++)
341     for (Int_t j0=0; j0<5; j0++)  allData[i0][j0]=0; 
342   
343   Float_t lowAmpThreshold =  GetRecoParam()->GetAmpLowThreshold();  
344   Float_t highAmpThreshold =  GetRecoParam()->GetAmpHighThreshold(); 
345   printf( "AliT0Reconstructor::Reconstruct::: RecoParam amplitude %f %f \n",lowAmpThreshold, highAmpThreshold);
346  
347   Double32_t besttimeA=9999999;  Double32_t besttimeA_best=9999999;
348   Double32_t besttimeC=9999999;  Double32_t besttimeC_best=9999999;
349
350    Float_t channelWidth = fParam->GetChannelWidth() ;  
351         
352   AliT0RecPoint frecpoints;
353   AliT0RecPoint * pfrecpoints = &frecpoints;
354   
355   recTree->Branch( "T0", "AliT0RecPoint" ,&pfrecpoints);
356    
357   AliDebug(10," before read data ");
358   AliT0RawReader myrawreader(rawReader);
359
360   UInt_t type =rawReader->GetType();
361
362   if (!myrawreader.Next())
363     AliDebug(1,Form(" no raw data found!!"));
364   else
365     {  
366    for (Int_t i=0; i<24; i++)
367     {
368       timeCFD[i]=0; timeLED[i]=0; chargeQT0[i]=0; chargeQT1[i]=0;
369     }
370      Int_t fBCID=Int_t (rawReader->GetBCID());
371       Int_t trmbunch= myrawreader.GetTRMBunchID();
372       AliDebug(10,Form(" CDH BC ID %i, TRM BC ID %i \n", fBCID, trmbunch ));
373  
374       if(type == 7  ) {  //only physics 
375         for (Int_t i=0; i<107; i++) {
376         for (Int_t iHit=0; iHit<5; iHit++) 
377           {
378             allData[i][iHit] = myrawreader.GetData(i,iHit);
379           }
380         }
381         
382         for (Int_t in=0; in<12; in++)  
383           {
384             for (Int_t iHit=0; iHit<5; iHit++) 
385               {
386                 if(allData[in+1][iHit] > low[in] && 
387                    allData[in+1][iHit] < high[in])
388                   {
389                     timeCFD[in] = allData[in+1][iHit] ; 
390                     break;
391                   }
392               }
393             for (Int_t iHit=0; iHit<5; iHit++) 
394               {
395                 if(allData[in+1+56][iHit] > low[in] && 
396                    allData[in+1+56][iHit] < high[in])
397                   {
398                     timeCFD[in+12] = allData[in+56+1][iHit] ;
399                     break;
400                   }
401               }
402             timeLED[in+12] = allData[in+68+1][0] ;
403             timeLED[in] = allData[in+12+1][0] ;
404             AliDebug(50, Form(" readed i %i cfdC %i cfdA %i ledC %i ledA%i ",
405                               in, timeCFD[in],timeCFD[in+12],timeLED[in], 
406                              timeLED[in+12]));   
407             
408           }
409         
410         
411         for (Int_t in=0; in<12;  in++)
412           {
413             chargeQT0[in]=allData[2*in+25][0];
414             chargeQT1[in]=allData[2*in+26][0];
415             AliDebug(25, Form(" readed Raw %i %i %i",
416                               in, chargeQT0[in],chargeQT1[in]));
417           }     
418         for (Int_t in=12; in<24;  in++)
419           {
420             chargeQT0[in]=allData[2*in+57][0];
421             chargeQT1[in]=allData[2*in+58][0];
422             AliDebug(25, Form(" readed Raw %i %i %i",
423                               in, chargeQT0[in],chargeQT1[in]));
424           }
425         
426         onlineMean = allData[49][0];
427         
428         Double32_t time[24], adc[24], adcmip[24], noncalibtime[24];
429         for (Int_t ipmt=0; ipmt<24; ipmt++) {
430           if(timeCFD[ipmt] >  0 /* && badpmt[ipmt]==0*/ ){
431            //for simulated data
432              //for physics  data
433            if(( chargeQT0[ipmt] - chargeQT1[ipmt])>0)  {
434              adc[ipmt] = chargeQT0[ipmt] - chargeQT1[ipmt];
435            }
436            else
437              adc[ipmt] = 0;
438            //      time[ipmt] = fCalib-> WalkCorrection(refAmp, ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
439            Int_t refAmp = Int_t (fTime0vertex[ipmt]);
440            time[ipmt] = fCalib-> WalkCorrection( refAmp, ipmt, Int_t(adc[ipmt]), timeCFD[ipmt] ) ;
441            Double_t sl = timeLED[ipmt] - timeCFD[ipmt];
442            // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
443            AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
444                             ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
445            Double_t ampMip = 0;
446            TGraph * ampGraph =  (TGraph*)fAmpLED.At(ipmt);
447            if (ampGraph) ampMip = ampGraph->Eval(sl);
448            Double_t qtMip = 0;
449            TGraph * qtGraph = (TGraph*)fQTC.At(ipmt);
450            if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
451            AliDebug(10,Form("  Amlitude in MIPS LED %f ; QTC %f;  in channels %f\n ",ampMip,qtMip, adc[ipmt]));
452            if( qtMip>lowAmpThreshold && qtMip<highAmpThreshold )
453              {
454                if( equalize  ==0 ) 
455                  frecpoints.SetTime(ipmt, Float_t(time[ipmt]) );
456            else 
457              frecpoints.SetTime(ipmt, Float_t(time[ipmt] + fTime0vertex[ipmt]) );
458                // frecpoints.SetTime(ipmt, Float_t(time[ipmt] ) );
459              }
460            frecpoints.SetAmp(ipmt, Double32_t( qtMip)); 
461            adcmip[ipmt]=qtMip;
462            frecpoints.SetAmpLED(ipmt, Double32_t(ampMip));           
463            noncalibtime[ipmt]= Double32_t (timeCFD[ipmt]);
464          }
465          else {
466            time[ipmt] = -9999;
467            adc[ipmt] = 0;
468            adcmip[ipmt] = 0;
469            noncalibtime[ipmt] = -9999;
470          }
471        }
472        fESDTZEROfriend->SetT0timeCorr(noncalibtime) ; 
473     
474        for (Int_t ipmt=0; ipmt<12; ipmt++){
475          if(time[ipmt] !=0 &&  time[ipmt] > -9000 
476             /*&& badpmt[ipmt]==0 */
477             &&  adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold )
478            {
479              if(time[ipmt]<besttimeC) besttimeC=time[ipmt]; //timeC
480              if(TMath::Abs(time[ipmt])<TMath::Abs(besttimeC_best)) 
481                besttimeC_best=time[ipmt]; //timeC            
482            }
483        }
484        for ( Int_t ipmt=12; ipmt<24; ipmt++)
485          {
486            if(time[ipmt] != 0 &&  time[ipmt] > -9000 
487               /* && badpmt[ipmt]==0*/ 
488               && adcmip[ipmt]>lowAmpThreshold && adcmip[ipmt]<highAmpThreshold)
489              {
490                if(time[ipmt]<besttimeA) besttimeA=time[ipmt]; 
491                if(TMath::Abs(time[ipmt] ) < TMath::Abs(besttimeA_best)) 
492                  besttimeA_best=time[ipmt]; //timeA
493              }
494          }
495        
496        if(besttimeA < 999999 && besttimeA!=0 ) {
497          if( equalize  ==0 ) 
498            frecpoints.SetTime1stA((besttimeA * channelWidth)- 1000.*fLatencyHPTDC + 1000.*fLatencyL1A - 1000.*fGRPdelays - fTimeMeanShift[1] ); 
499          else
500            {
501              frecpoints.SetTimeBestA((besttimeA_best * channelWidth )); 
502              frecpoints.SetTime1stA((besttimeA * channelWidth - fTimeMeanShift[1])); 
503            }
504        }
505        if( besttimeC < 999999 && besttimeC!=0) {
506          if( equalize  ==0 ) 
507            frecpoints.SetTime1stC((besttimeC * channelWidth)- 1000.*fLatencyHPTDC +1000.*fLatencyL1C - 1000.*fGRPdelays - fTimeMeanShift[2]);
508          else
509            {
510              frecpoints.SetTimeBestC((besttimeC_best * channelWidth ));
511              frecpoints.SetTime1stC((besttimeC * channelWidth - fTimeMeanShift[2]));
512            }
513        }
514        AliDebug(5,Form("1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f ",
515                        besttimeA, besttimeA_best,
516                        besttimeC, besttimeC_best) );
517        AliDebug(5,Form("fRecPoints:::  1stimeA %f , besttimeA %f 1sttimeC %f besttimeC %f shiftA %f shiftC %f ",
518                        frecpoints.Get1stTimeA(),  frecpoints.GetBestTimeA(),
519                        frecpoints.Get1stTimeC(),  frecpoints.GetBestTimeC(), 
520                        fTimeMeanShift[1],fTimeMeanShift[2] ) );
521        if( besttimeC < 999999 &&  besttimeA < 999999) { 
522          if(equalize  ==0 )
523            timeclock = ((besttimeC * channelWidth)- 1000.*fLatencyHPTDC +1000.*fLatencyL1 - 1000.*fGRPdelays - fTimeMeanShift[0]);
524          else
525            {
526              timeclock = channelWidth * Float_t( besttimeA+besttimeC)/2. - fTimeMeanShift[0];
527              meanTime = channelWidth * Float_t(besttimeA_best + besttimeC_best )/2.;
528            }
529          timeDiff = ( besttimeA - besttimeC)* 0.001* channelWidth ;
530          vertex =  meanVertex - c*(timeDiff)/2. ; //+ (fdZonA - fdZonC)/2; 
531        }
532        
533       }  //if phys event       
534        AliDebug(1,Form("  timeDiff %f #channel,  meanTime %f #ps, TOFmean%f  vertex %f cm meanVertex %f  \n",timeDiff, meanTime,timeclock, vertex,meanVertex));
535        frecpoints.SetT0clock(timeclock);
536        frecpoints.SetVertex(vertex);
537        frecpoints.SetMeanTime(meanTime);
538        frecpoints.SetOnlineMean(Int_t(onlineMean));
539       
540       // Set triggers
541       Bool_t tr[5];
542       Int_t trchan[5] = {50,51,52,55,56};
543       Float_t lowtr[5] = {meanTVDC-700, meanOrA-700, meanOrC-700, meanOrC-1000, meanOrC-1000 };
544       Float_t hightr[5] = {meanTVDC+700, meanOrA+700, meanOrC+700, meanOrC+1000, meanOrC+1000};
545       
546       for (Int_t i=0; i<5; i++) tr[i] = false; 
547       for (Int_t itr=0; itr<5; itr++) {
548         for (Int_t iHit=0; iHit<1; iHit++) 
549           {
550             Int_t trr=trchan[itr];
551             if( allData[trr][iHit] > lowtr[itr] && allData[trr][iHit] < hightr[itr])  tr[itr]=true;
552             
553             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]));
554           }       
555       }
556       frecpoints.SetT0Trig(tr);
557       
558       // all times with amplitude correction 
559       Float_t timecent;
560       for (Int_t iHit=0; iHit<5; iHit++) 
561         {
562           timefull = timecent = -9999; 
563           tvdc = ora = orc = -9999;
564           if(allData[50][iHit]>0) 
565             tvdc = (Float_t(allData[50][iHit]) - meanTVDC) * channelWidth* 0.001; 
566           if(allData[51][iHit]>0)
567             ora = (Float_t(allData[51][iHit]) - meanOrA) * channelWidth* 0.001;
568           
569           if(allData[52][iHit]>0) 
570             orc = (Float_t(allData[52][iHit]) - meanOrC) * channelWidth* 0.001;
571           
572           frecpoints.SetOrC( iHit, orc);
573           frecpoints.SetOrA( iHit, ora);
574           frecpoints.SetTVDC( iHit, tvdc);
575           for (Int_t i0=0; i0<12; i0++) {
576             if (equalize  ==0 )  
577               timecent = fTime0vertex[i0] + timeDelayCFD[i0];
578             else
579               timecent = fTime0vertex[i0];
580             timefull = -9999; 
581             if(allData[i0+1][iHit]>1) 
582               timefull = (Float_t(allData[i0+1][iHit]) - timecent)* channelWidth* 0.001;
583             frecpoints.SetTimeFull(i0, iHit,timefull) ;
584             //      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);
585             
586           }
587           
588           for (Int_t i0=12; i0<24; i0++) {
589             timefull = -9999; 
590             if (equalize  ==0 )  
591               timecent = fTime0vertex[i0] + timeDelayCFD[i0];
592             else
593               timecent = fTime0vertex[i0];
594             if(allData[i0+45][iHit]>1) {
595               timefull = (Float_t(allData[i0+45][iHit]) - timecent)* channelWidth* 0.001;
596             }
597             //  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);
598             frecpoints.SetTimeFull(i0, iHit, timefull) ;
599           }
600         }
601       
602       
603       //Set MPD
604       if(allData[53][0]>0 && allData[54][0]) 
605         frecpoints.SetMultA(allData[53][0]-allData[54][0]);
606       if(allData[105][0]>0 && allData[106][0]) 
607         frecpoints.SetMultC(allData[105][0]-allData[106][0]);
608       
609       
610     } // if (else )raw data
611   recTree->Fill();
612 }
613   
614   
615 //____________________________________________________________
616   
617   void AliT0Reconstructor::FillESD(TTree */*digitsTree*/, TTree *clustersTree, AliESDEvent *pESD) const
618   {
619
620   /***************************************************
621   Resonstruct digits to vertex position
622   ****************************************************/
623   
624   AliDebug(1,Form("Start FillESD T0"));
625   if(!pESD) {
626     AliError("No ESD Event");
627     return;
628   }
629   pESD ->SetT0spread(fTimeSigmaShift);
630  
631
632   Float_t channelWidth = fParam->GetChannelWidth() ;  
633   Float_t c = 0.0299792458; // cm/ps
634   Float_t currentVertex=0, shift=0;
635   Int_t ncont=-1;
636   const AliESDVertex* vertex = pESD->GetPrimaryVertex();
637   if (!vertex)        vertex = pESD->GetPrimaryVertexSPD();
638   if (!vertex)        vertex = pESD->GetPrimaryVertexTPC();
639   if (!vertex)        vertex = pESD->GetVertex();
640
641   if (vertex) {
642     AliDebug(2, Form("Got %s (%s) from ESD: %f", 
643                     vertex->GetName(), vertex->GetTitle(), vertex->GetZ()));
644     currentVertex = vertex->GetZ();
645     
646     ncont = vertex->GetNContributors();
647     if(ncont>0 ) {
648       shift = currentVertex/c;
649     }
650   }
651   TTree *treeR = clustersTree;
652   
653   AliT0RecPoint frecpoints;
654   AliT0RecPoint * pfrecpoints = &frecpoints;
655   
656   AliDebug(1,Form("Start FillESD T0"));
657   TBranch *brRec = treeR->GetBranch("T0");
658   if (brRec) {
659     brRec->SetAddress(&pfrecpoints);
660   }else{
661     AliError(Form("EXEC Branch T0 rec not found"));
662     return;
663   } 
664   
665   brRec->GetEntry(0);
666   Double32_t amp[24], time[24], ampQTC[24], timecorr[24];  
667   Double32_t* tcorr;
668   for(Int_t i=0; i<24; i++) 
669     amp[i]=time[i]=ampQTC[i]=timecorr[i]=0;
670
671   //1st time 
672   Double32_t timeClock[3];
673   Double32_t zPosition = frecpoints.GetVertex();
674
675   timeClock[0] = frecpoints.GetT0clock() ;
676   timeClock[1] = frecpoints.Get1stTimeA() + shift;
677   timeClock[2] = frecpoints.Get1stTimeC() - shift;
678   //best time
679   Double32_t timemean[3];
680   timemean[0] = frecpoints.GetMeanTime();
681   timemean[1] = frecpoints.GetBestTimeA() + shift;
682   timemean[2] = frecpoints.GetBestTimeC() - shift;
683
684   for(Int_t i=0; i<3; i++) {
685     fESDTZERO->SetT0TOF(i,timeClock[i]);   // interaction time (ns) 
686     fESDTZERO->SetT0TOFbest(i,timemean[i]);   // interaction time (ns) 
687   }
688   for ( Int_t i=0; i<24; i++) {
689     time[i] =  frecpoints.GetTime(i); // ps to ns
690     if ( time[i] != 0 && time[i]>-9999) {
691       ampQTC[i] = frecpoints.GetAmp(i);
692       amp[i] = frecpoints.AmpLED(i);
693       AliDebug(1,Form("T0: %i  time %f  ampQTC %f ampLED %f \n", i, time[i], ampQTC[i], amp[i]));
694    }
695   }
696   fESDTZERO->SetT0time(time);         // best TOF on each PMT 
697   fESDTZERO->SetT0amplitude(ampQTC);     // number of particles(MIPs) on each PMT
698   Int_t trig= frecpoints.GetT0Trig();
699   frecpoints.PrintTriggerSignals( trig);
700   //  printf(" !!!!! FillESD trigger %i \n",trig);
701   fESDTZERO->SetT0Trig(trig);
702   fESDTZERO->SetT0zVertex(zPosition); //vertex Z position 
703
704   Double32_t multA=frecpoints.GetMultA();
705   Double32_t multC=frecpoints.GetMultC();
706   fESDTZERO->SetMultA(multA); // for backward compatubility
707   fESDTZERO->SetMultC(multC); // for backward compatubility
708
709
710   for (Int_t iHit =0; iHit<5; iHit++ ) {
711        AliDebug(10,Form("FillESD ::: iHit %i tvdc %f orA %f orC %f\n", iHit,
712            frecpoints.GetTVDC(iHit),
713            frecpoints.GetOrA(iHit),
714                        frecpoints.GetOrC(iHit) ));
715     fESDTZERO->SetTVDC(iHit,frecpoints.GetTVDC(iHit));
716     fESDTZERO->SetOrA(iHit,frecpoints.GetOrA(iHit));
717     fESDTZERO->SetOrC(iHit,frecpoints.GetOrC(iHit));
718     
719     for (Int_t i0=0; i0<24; i0++) {
720       //  if(frecpoints.GetTimeFull(i0,iHit)>0){
721       //        printf("FillESD ::: iHit %i cfd %i time %f \n", iHit, i0, frecpoints.GetTimeFull(i0,iHit));
722         fESDTZERO->SetTimeFull(i0, iHit,frecpoints.GetTimeFull(i0,iHit));
723         // }
724         
725     }                
726   }
727   
728   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));
729
730   //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
731   // background flags
732   Bool_t background = BackgroundFlag();
733   fESDTZERO->SetBackgroundFlag(background);
734   Bool_t pileup =  PileupFlag();
735   fESDTZERO->SetPileupFlag(pileup);
736   for (Int_t i=0; i<5; i++) {
737     fESDTZERO->SetPileupTime(i, frecpoints.GetTVDC(i) ) ;
738     //   printf("!!!!!! FillESD :: pileup %i %f %f \n", i,fESDTZERO->GetPileupTime(i), frecpoints.GetTVDC(i));
739   }
740   Bool_t sat  = SatelliteFlag();
741   fESDTZERO->SetSatelliteFlag(sat);
742   
743   //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
744   if (pESD) {
745     
746     AliESDfriend *fr = (AliESDfriend*)pESD->FindListObject("AliESDfriend");
747     if (fr) {
748       AliDebug(10, Form("Writing TZERO friend data to ESD tree"));
749
750       //     if (ncont>2) {
751         tcorr = fESDTZEROfriend->GetT0timeCorr();
752         for ( Int_t i=0; i<24; i++) {
753           if(i<12 && time[i]>1) timecorr[i] = tcorr[i] -  shift/channelWidth;
754           if(i>11 && time[i]>1) timecorr[i] = tcorr[i] +  shift/channelWidth;
755           if(time[i]>1)   AliDebug(10,Form("T0 friend : %i time %f  ampQTC %f ampLED %f \n", i, timecorr[i], ampQTC[i], amp[i]));
756         }
757         fESDTZEROfriend->SetT0timeCorr( timecorr) ;
758         fESDTZEROfriend->SetT0ampLEDminCFD(amp);
759         fESDTZEROfriend->SetT0ampQTC(ampQTC);
760         fr->SetTZEROfriend(fESDTZEROfriend);
761         //      }//
762     }
763
764     pESD->SetTZEROData(fESDTZERO);
765   }
766
767 } // vertex in 3 sigma
768
769 //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
770  //____________________________________________________________
771   
772 Bool_t AliT0Reconstructor::PileupFlag() const
773 {
774   //
775   Bool_t pileup = false;
776   Float_t tvdc[5];
777   for (Int_t ih=0; ih<5; ih++) 
778     {
779       tvdc[ih] =  fESDTZERO->GetTVDC(ih);
780       
781      if(  tvdc[0] !=0 &&  tvdc[0]> -10 && tvdc[0]< 10 )
782        if(ih>0 && tvdc[ih]>20 )         pileup = true; 
783      if( tvdc[0] >20 || (tvdc[0] < -20  &&  tvdc[0] > -9000) ) pileup =true;
784      //    if (pileup) printf(" !!!!! pile up %i  tvdc %f \n",ih,  tvdc[ih]); 
785     }
786
787
788   return pileup;
789
790 }
791
792  //____________________________________________________________
793   
794 Bool_t AliT0Reconstructor::BackgroundFlag() const
795 {
796   Bool_t background = false;
797
798   Float_t orA = fESDTZERO->GetOrA(0);
799   Float_t orC = fESDTZERO->GetOrC(0);
800   Float_t tvdc =  fESDTZERO->GetTVDC(0);
801
802   if ( (orA > -5 && orA <5) && (orC > -5 && orC <5) && (tvdc < -5 || tvdc > 5)) {
803     background = true;
804     //   printf(" orA %f orC %f tvdc %f\n", orA, orC, tvdc);
805   } 
806   return background;
807
808
809 }
810
811
812  //____________________________________________________________
813   
814 Bool_t  AliT0Reconstructor::SatelliteFlag() const
815 {
816
817  Float_t satelliteLow = GetRecoParam() -> GetLowSatelliteThreshold();
818   Float_t satelliteHigh = GetRecoParam() -> GetHighSatelliteThreshold();
819   Bool_t satellite = false;
820   for (Int_t i0=0; i0<24; i0++) {
821     Float_t timefull =  fESDTZERO -> GetTimeFull(i0,0);
822     if( timefull > satelliteLow && timefull < satelliteHigh)  satellite=true;
823   }
824         
825   return satellite;
826
827 }