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8f589502 | 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 | **************************************************************************/ | |
6a4e212e | 15 | /* $Id: AliTOFT0maker.cxx,v 1.8 2010/01/19 16:32:20 noferini Exp $ */ |
8f589502 | 16 | |
17 | ///////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // This class contains the basic functions for the time zero // | |
6a4e212e | 20 | // evaluation with TOF detector informations. // |
21 | // Use case in an analysis task: // | |
22 | // // | |
23 | // Create the object in the task constructor (fTOFmaker is a private var) // | |
5b4ed716 | 24 | // AliESDpid *extPID=new AliESDpid(); // |
25 | // fTOFmaker = new AliTOFT0maker(extPID); // | |
26 | // fTOFmaker->SetTimeResolution(100.0); // if you want set the TOF res // | |
6a4e212e | 27 | // 115 ps is the TOF default resolution value // |
28 | // // | |
29 | // Use the RemakePID method in the task::Exec // | |
30 | // Double_t* calcolot0; // | |
31 | // calcolot0=fTOFmaker->RemakePID(fESD); // | |
32 | // //calcolot0[0] = calculated event time // | |
33 | // //calcolot0[1] = event time time resolution // | |
34 | // //calcolot0[2] = average event time for the current fill // | |
03bd764d | 35 | // //calcolot0[3] = tracks at TOF // |
36 | // //calcolot0[4] = calculated event time (only TOF) // | |
37 | // //calcolot0[5] = event time time resolution (only TOF) // | |
38 | // //calcolot0[6] = sigma t0 fill // | |
39 | // //calcolot0[7] = tracks at TOF really used in tht algorithm // | |
6a4e212e | 40 | // // |
41 | // Let consider that: // | |
42 | // - the PIF is automatically recalculated with the event time subtrction // | |
8f589502 | 43 | // // |
44 | ///////////////////////////////////////////////////////////////////////////// | |
45 | ||
536031f2 | 46 | #include "AliTOFT0v1.h" |
47 | #include "AliTOFT0maker.h" | |
536031f2 | 48 | #include "AliPID.h" |
f858b00e | 49 | #include "AliLog.h" |
536031f2 | 50 | #include "AliESDpid.h" |
03bd764d | 51 | #include "AliESDEvent.h" |
52 | #include "TFile.h" | |
53 | #include "TH1F.h" | |
5b4ed716 | 54 | #include "AliTOFcalib.h" |
55 | #include "AliTOFRunParams.h" | |
56 | #include "TRandom.h" | |
f858b00e | 57 | #include "AliTOFHeader.h" |
536031f2 | 58 | |
59 | ClassImp(AliTOFT0maker) | |
60 | ||
61 | //____________________________________________________________________________ | |
5b4ed716 | 62 | AliTOFT0maker::AliTOFT0maker(): |
63 | TObject(), | |
64 | fT0TOF(NULL), | |
65 | fPIDesd(NULL), | |
66 | fExternalPIDFlag(kFALSE), | |
67 | fTOFcalib(NULL), | |
68 | fNoTOFT0(0), | |
2a258f40 | 69 | fNmomBins(0), |
5b4ed716 | 70 | fTimeResolution(100), |
71 | fT0sigma(1000), | |
72 | fHmapChannel(0), | |
73 | fKmask(0), | |
2a258f40 | 74 | fT0width(150.), |
75 | fT0spreadExt(-1.), | |
76 | fT0fillExt(0) | |
5b4ed716 | 77 | { |
78 | // ctr | |
79 | fCalculated[0] = 0; | |
80 | fCalculated[1] = 0; | |
81 | fCalculated[2] = 0; | |
82 | fCalculated[3] = 0; | |
83 | ||
020dbfc2 | 84 | fT0cur[0]=0.; |
85 | fT0cur[1]=0.; | |
86 | ||
5b4ed716 | 87 | if(AliPID::ParticleMass(0) == 0) new AliPID(); |
88 | ||
89 | fPIDesd = new AliESDpid(); | |
90 | ||
2a258f40 | 91 | fNmomBins = fPIDesd->GetTOFResponse().GetNmomBins(); |
92 | SetTOFResponse(); | |
93 | ||
94 | fT0TOF = new AliTOFT0v1(fPIDesd); | |
95 | ||
5b4ed716 | 96 | } |
97 | //____________________________________________________________________________ | |
98 | AliTOFT0maker::AliTOFT0maker(AliESDpid *externalPID, AliTOFcalib *tofCalib): | |
99 | TObject(), | |
100 | fT0TOF(NULL), | |
101 | fPIDesd(externalPID), | |
102 | fExternalPIDFlag(kTRUE), | |
103 | fTOFcalib(tofCalib), | |
03bd764d | 104 | fNoTOFT0(0), |
2a258f40 | 105 | fNmomBins(0), |
5b4ed716 | 106 | fTimeResolution(100), |
03bd764d | 107 | fT0sigma(1000), |
108 | fHmapChannel(0), | |
5b4ed716 | 109 | fKmask(0), |
2a258f40 | 110 | fT0width(150.), |
111 | fT0spreadExt(-1.), | |
112 | fT0fillExt(0) | |
536031f2 | 113 | { |
6a4e212e | 114 | // ctr |
6a4e212e | 115 | fCalculated[0] = 0; |
116 | fCalculated[1] = 0; | |
117 | fCalculated[2] = 0; | |
03bd764d | 118 | fCalculated[3] = 0; |
6a4e212e | 119 | |
020dbfc2 | 120 | fT0cur[0]=0.; |
121 | fT0cur[1]=0.; | |
122 | ||
536031f2 | 123 | if(AliPID::ParticleMass(0) == 0) new AliPID(); |
03bd764d | 124 | |
5b4ed716 | 125 | if(!fPIDesd){ |
126 | fPIDesd = new AliESDpid(); | |
127 | fExternalPIDFlag = kFALSE; | |
128 | } | |
129 | ||
2a258f40 | 130 | fNmomBins = fPIDesd->GetTOFResponse().GetNmomBins(); |
131 | SetTOFResponse(); | |
5b4ed716 | 132 | |
2a258f40 | 133 | fT0TOF = new AliTOFT0v1(fPIDesd); |
8f589502 | 134 | |
8f589502 | 135 | } |
5b4ed716 | 136 | |
8f589502 | 137 | //____________________________________________________________________________ |
536031f2 | 138 | AliTOFT0maker::~AliTOFT0maker() |
139 | { | |
140 | // dtor | |
5b4ed716 | 141 | |
142 | delete fT0TOF; | |
143 | if (!fExternalPIDFlag) delete fPIDesd; | |
536031f2 | 144 | } |
145 | //____________________________________________________________________________ | |
5b4ed716 | 146 | Double_t* AliTOFT0maker::ComputeT0TOF(AliESDEvent *esd,Double_t t0time,Double_t t0sigma){ |
8f589502 | 147 | // |
148 | // Remake TOF PID probabilities | |
149 | // | |
2a258f40 | 150 | Double_t t0tof[6]; |
536031f2 | 151 | |
03bd764d | 152 | if(fKmask) ApplyMask(esd); |
153 | ||
2a258f40 | 154 | Double_t t0fill = 0.; |
155 | ||
156 | fPIDesd->GetTOFResponse().ResetT0info(); | |
157 | ||
5b4ed716 | 158 | /* get T0 spread from TOFcalib if available otherwise use default value */ |
159 | if (fTOFcalib && esd) { | |
160 | AliTOFRunParams *runParams = fTOFcalib->GetRunParams(); | |
161 | if (runParams && runParams->GetTimestamp(0) != 0) { | |
162 | Float_t t0spread = runParams->EvalT0Spread(esd->GetTimeStamp()); | |
2a258f40 | 163 | if(fT0spreadExt > 0) SetT0FillWidth(fT0spreadExt); |
164 | else{ | |
165 | SetT0FillWidth(t0spread); | |
166 | t0fill = fT0fillExt; | |
167 | } | |
168 | } | |
169 | else{ | |
90beec49 | 170 | if(fT0spreadExt > 0) SetT0FillWidth(fT0spreadExt); |
2a258f40 | 171 | t0fill = fT0fillExt; |
5b4ed716 | 172 | } |
536031f2 | 173 | } |
bc4fdef6 | 174 | else if(esd){ |
175 | Float_t t0spread = esd->GetSigma2DiamondZ(); // vertex pread ^2 | |
176 | if(t0spread > 0) t0spread = TMath::Sqrt(t0spread)/0.0299792458; | |
177 | ||
178 | if(fT0spreadExt > 0) SetT0FillWidth(fT0spreadExt); | |
179 | else{ | |
180 | SetT0FillWidth(t0spread); | |
181 | t0fill = fT0fillExt; | |
182 | } | |
183 | } | |
03bd764d | 184 | |
bf40b7fa | 185 | Float_t thrGood = TMath::Max(Float_t(500.),fT0width*3); |
186 | ||
5b4ed716 | 187 | fT0TOF->Init(esd); |
188 | AliTOFT0v1* t0maker= fT0TOF; | |
5b4ed716 | 189 | |
190 | t0maker->DefineT0("all",1.5,3.0); | |
191 | t0tof[0] = t0maker->GetResult(0); | |
192 | t0tof[1] = t0maker->GetResult(1); | |
193 | t0tof[2] = t0maker->GetResult(2); | |
194 | t0tof[3] = t0maker->GetResult(3); | |
2a258f40 | 195 | t0tof[4] = t0maker->GetResult(4); |
196 | t0tof[5] = t0maker->GetResult(5); | |
536031f2 | 197 | |
8f589502 | 198 | Float_t lT0Current=0.; |
536031f2 | 199 | fT0sigma=1000; |
200 | ||
03bd764d | 201 | // Int_t nrun = esd->GetRunNumber(); |
5b4ed716 | 202 | |
03bd764d | 203 | t0time += t0fill; |
8f589502 | 204 | |
5b4ed716 | 205 | Float_t sigmaFill = fT0width; |
206 | ||
207 | if(sigmaFill < 20) sigmaFill = 140; | |
8f589502 | 208 | |
03bd764d | 209 | fCalculated[0]=-1000*t0tof[0]; // best t0 |
210 | fCalculated[1]=1000*t0tof[1]; // sigma best t0 | |
211 | fCalculated[2] = t0fill; //t0 fill | |
212 | fCalculated[3] = t0tof[2]; // n TOF tracks | |
213 | fCalculated[4]=-1000*t0tof[0]; // TOF t0 | |
214 | fCalculated[5]=1000*t0tof[1]; // TOF t0 sigma | |
215 | fCalculated[6]=sigmaFill; // sigma t0 fill | |
216 | fCalculated[7] = t0tof[3]; // n TOF tracks used for T0 | |
217 | ||
bf40b7fa | 218 | if(fCalculated[7] > 30) thrGood = 10000000; |
219 | ||
2a258f40 | 220 | //statistics |
221 | fCalculated[8] = t0tof[4]; // real time in s | |
222 | fCalculated[9] = t0tof[5]; // cpu time in s | |
223 | ||
bf40b7fa | 224 | if(fCalculated[1] < sigmaFill && TMath::Abs(fCalculated[0] - t0fill) < thrGood && fCalculated[1] < fTimeResolution*1.2){ |
6a4e212e | 225 | fT0sigma=fCalculated[1]; |
226 | lT0Current=fCalculated[0]; | |
536031f2 | 227 | } |
03bd764d | 228 | else{ |
229 | fCalculated[4] = t0fill; | |
230 | fCalculated[5] = sigmaFill; | |
231 | } | |
232 | ||
5b4ed716 | 233 | if(fCalculated[1] < 1 || fT0sigma > sigmaFill || fCalculated[1] > fTimeResolution* 1.2){ |
03bd764d | 234 | fT0sigma =1000; |
235 | fCalculated[4] = t0fill; | |
236 | fCalculated[5] = sigmaFill; | |
237 | } | |
536031f2 | 238 | |
239 | if(t0sigma < 1000){ | |
240 | if(fT0sigma < 1000){ | |
241 | Double_t w1 = 1./t0sigma/t0sigma; | |
6a4e212e | 242 | Double_t w2 = 1./fCalculated[1]/fCalculated[1]; |
536031f2 | 243 | |
244 | Double_t wtot = w1+w2; | |
245 | ||
6a4e212e | 246 | lT0Current = (w1*t0time + w2*fCalculated[0]) / wtot; |
536031f2 | 247 | fT0sigma = TMath::Sqrt(1./wtot); |
248 | } | |
249 | else{ | |
8f589502 | 250 | lT0Current=t0time; |
536031f2 | 251 | fT0sigma=t0sigma; |
252 | } | |
253 | } | |
254 | ||
bf40b7fa | 255 | if(fT0sigma < sigmaFill && TMath::Abs(lT0Current - t0fill) < thrGood){ |
03bd764d | 256 | fCalculated[1]=fT0sigma; |
257 | fCalculated[0]=lT0Current; | |
258 | } | |
259 | ||
260 | if(fT0sigma >= 1000 || fNoTOFT0){ | |
8f589502 | 261 | lT0Current = t0fill; |
03bd764d | 262 | fT0sigma = sigmaFill; |
8f589502 | 263 | |
6a4e212e | 264 | fCalculated[0] = t0fill; |
03bd764d | 265 | fCalculated[1] = sigmaFill; |
536031f2 | 266 | } |
267 | ||
5b4ed716 | 268 | // T0 pt bin |
721ed687 | 269 | Float_t *t0values = new Float_t[fNmomBins]; |
270 | Float_t *t0resolution = new Float_t[fNmomBins]; | |
2a258f40 | 271 | if(fCalculated[7] < 100){ |
272 | for(Int_t i=0;i<fNmomBins;i++){ | |
273 | t0maker->DefineT0("all",fPIDesd->GetTOFResponse().GetMinMom(i),fPIDesd->GetTOFResponse().GetMaxMom(i)); | |
274 | t0tof[0] = t0maker->GetResult(0); | |
275 | t0tof[1] = t0maker->GetResult(1); | |
276 | t0tof[2] = t0maker->GetResult(2); | |
277 | t0tof[3] = t0maker->GetResult(3); | |
2a258f40 | 278 | |
279 | Float_t t0bin =-1000*t0tof[0]; // best t0 | |
280 | Float_t t0binRes =1000*t0tof[1]; // sigma best t0 | |
281 | ||
bf40b7fa | 282 | if(t0binRes < sigmaFill && t0binRes < fTimeResolution * 1.2 && TMath::Abs(t0bin - t0fill) < thrGood){ |
2a258f40 | 283 | // Ok T0 |
284 | if(t0sigma < 1000){ | |
285 | Double_t w1 = 1./t0sigma/t0sigma; | |
286 | Double_t w2 = 1./t0binRes/t0binRes; | |
287 | ||
288 | Double_t wtot = w1+w2; | |
289 | ||
290 | t0bin = (w1*t0time + w2*t0bin) / wtot; | |
291 | t0binRes = TMath::Sqrt(1./wtot); | |
292 | } | |
293 | } | |
294 | else{ | |
295 | t0bin = t0fill; | |
296 | t0binRes = sigmaFill; | |
297 | if(t0sigma < 1000){ | |
298 | t0bin = t0time; | |
299 | t0binRes= t0sigma; | |
300 | } | |
301 | } | |
721ed687 | 302 | t0values[i] = t0bin; |
303 | t0resolution[i] = t0binRes; | |
5b4ed716 | 304 | } |
2a258f40 | 305 | } |
306 | else{ | |
307 | for(Int_t i=0;i<fNmomBins;i++){ | |
721ed687 | 308 | t0values[i] = lT0Current; |
309 | t0resolution[i] = fT0sigma; | |
5b4ed716 | 310 | } |
311 | } | |
721ed687 | 312 | for(Int_t i=0;i<fNmomBins;i++){ |
313 | fPIDesd->GetTOFResponse().SetT0bin(i,t0values[i]); | |
314 | fPIDesd->GetTOFResponse().SetT0binRes(i,t0resolution[i]); | |
315 | } | |
316 | ||
317 | delete[] t0values; | |
318 | delete[] t0resolution; | |
536031f2 | 319 | |
6a4e212e | 320 | return fCalculated; |
536031f2 | 321 | } |
322 | //____________________________________________________________________________ | |
5b4ed716 | 323 | Double_t *AliTOFT0maker::GetT0p(Float_t p){// [0]=to -- [1] = sigma T0 |
2a258f40 | 324 | Int_t i=fPIDesd->GetTOFResponse().GetMomBin(p); |
03bd764d | 325 | |
2a258f40 | 326 | fT0cur[0] = fPIDesd->GetTOFResponse().GetT0bin(i); |
327 | fT0cur[1] = fPIDesd->GetTOFResponse().GetT0binRes(i); | |
328 | ||
5b4ed716 | 329 | return fT0cur; |
536031f2 | 330 | } |
331 | //____________________________________________________________________________ | |
5b4ed716 | 332 | void AliTOFT0maker::SetTOFResponse(){ |
2a258f40 | 333 | fPIDesd->GetTOFResponse().SetTimeResolution(fTimeResolution); |
5b4ed716 | 334 | } |
335 | //____________________________________________________________________________ | |
336 | Float_t AliTOFT0maker::GetExpectedSigma(Float_t mom, Float_t tof, Float_t mass){ | |
5b4ed716 | 337 | Float_t sigma = fPIDesd->GetTOFResponse().GetExpectedSigma(mom,tof,mass); |
8f589502 | 338 | |
5b4ed716 | 339 | return sigma; |
536031f2 | 340 | } |
341 | //____________________________________________________________________________ | |
5b4ed716 | 342 | void AliTOFT0maker::ApplyT0TOF(AliESDEvent *esd){ |
8f589502 | 343 | // |
5b4ed716 | 344 | // Recalculate TOF PID probabilities |
8f589502 | 345 | // |
346 | ||
90beec49 | 347 | // subtruct t0 for each track |
348 | Int_t ntracks = esd->GetNumberOfTracks(); | |
536031f2 | 349 | |
90beec49 | 350 | while (ntracks--) { |
351 | AliESDtrack *t=esd->GetTrack(ntracks); | |
03bd764d | 352 | |
90beec49 | 353 | if ((t->GetStatus()&AliESDtrack::kTOFout)==0) continue; |
5b4ed716 | 354 | |
90beec49 | 355 | Double_t time=t->GetTOFsignal(); |
356 | Float_t p = t->GetP(); | |
357 | ||
358 | Double_t *t0=GetT0p(p); | |
359 | time -= t0[0]; | |
360 | t->SetTOFsignal(time); | |
361 | } | |
362 | ||
363 | for(Int_t i=0;i<fNmomBins;i++){ | |
364 | fPIDesd->GetTOFResponse().SetT0bin(i,0.0); | |
365 | } | |
366 | ||
5b4ed716 | 367 | // |
536031f2 | 368 | } |
03bd764d | 369 | //____________________________________________________________________________ |
370 | void AliTOFT0maker::LoadChannelMap(char *filename){ | |
371 | // Load the histo with the channel off map | |
372 | TFile *f= new TFile(filename); | |
373 | if(!f){ | |
374 | printf("Cannot open the channel map file (%s)\n",filename); | |
375 | return; | |
376 | } | |
377 | ||
378 | fHmapChannel = (TH1F *) f->Get("hChEnabled"); | |
379 | ||
380 | if(!fHmapChannel){ | |
381 | printf("Cannot laod the channel map histo (from %s)\n",filename); | |
382 | return; | |
383 | } | |
384 | ||
385 | } | |
386 | //____________________________________________________________________________ | |
387 | void AliTOFT0maker::ApplyMask(AliESDEvent * const esd){ | |
388 | // Switch off the disable channel | |
389 | if(!fHmapChannel){ | |
390 | printf("Channel Map is not available\n"); | |
391 | return; | |
392 | } | |
393 | ||
394 | Int_t ntracks = esd->GetNumberOfTracks(); | |
395 | ||
396 | while (ntracks--) { | |
397 | AliESDtrack *t=esd->GetTrack(ntracks); | |
398 | ||
399 | if ((t->GetStatus()&AliESDtrack::kTOFout)==0) continue; | |
400 | ||
401 | Int_t chan = t->GetTOFCalChannel(); | |
402 | ||
403 | if(fHmapChannel->GetBinContent(chan) < 0.01){ | |
404 | t->ResetStatus(AliESDtrack::kTOFout); | |
405 | } | |
406 | } | |
407 | } | |
408 | ||
5b4ed716 | 409 | Float_t |
410 | AliTOFT0maker::TuneForMC(AliESDEvent *esd){ // return true T0 event | |
411 | // | |
412 | // tune for MC data | |
413 | // | |
414 | ||
415 | Float_t TOFtimeResolutionDefault=80; | |
416 | ||
417 | Float_t t0 = gRandom->Gaus(0.,fT0width); | |
418 | ||
419 | Float_t extraSmearing = 0; | |
420 | ||
421 | if(fTimeResolution > TOFtimeResolutionDefault){ | |
422 | extraSmearing = TMath::Sqrt(fTimeResolution*fTimeResolution - TOFtimeResolutionDefault*TOFtimeResolutionDefault); | |
423 | } | |
424 | ||
425 | // subtruct t0 for each track | |
426 | Int_t ntracks = esd->GetNumberOfTracks(); | |
427 | ||
428 | while (ntracks--) { | |
429 | AliESDtrack *t=esd->GetTrack(ntracks); | |
430 | ||
431 | if ((t->GetStatus()&AliESDtrack::kTOFout)==0) continue; | |
432 | ||
433 | /* check if channel is enabled */ | |
bc4fdef6 | 434 | if (fTOFcalib){ |
435 | if(!fTOFcalib->IsChannelEnabled(t->GetTOFCalChannel())) { | |
436 | /* reset TOF status */ | |
437 | t->ResetStatus(AliESDtrack::kTOFin); | |
438 | t->ResetStatus(AliESDtrack::kTOFout); | |
439 | t->ResetStatus(AliESDtrack::kTOFmismatch); | |
440 | t->ResetStatus(AliESDtrack::kTOFpid); | |
441 | } | |
5b4ed716 | 442 | } |
443 | ||
444 | Double_t time=t->GetTOFsignal(); | |
445 | ||
446 | time += t0; | |
447 | ||
448 | if(extraSmearing>0){ | |
449 | Float_t smearing = gRandom->Gaus(0.,extraSmearing); | |
450 | time += smearing; | |
451 | } | |
452 | ||
453 | t->SetTOFsignal(time); | |
454 | } | |
455 | // | |
456 | return t0; | |
457 | } | |
f858b00e | 458 | //_________________________________________________________________________ |
459 | void AliTOFT0maker::WriteInESD(AliESDEvent *esd){ | |
460 | // | |
461 | // Write t0Gen, t0ResGen, nt0; | |
462 | // t0resESD[0:nt0], it0ESD[0:nt0] | |
463 | // in the AliESDEvent | |
464 | // | |
465 | Int_t nMomBins = fPIDesd->GetTOFResponse().GetNmomBins(); | |
466 | ||
467 | Int_t nt0=0; | |
468 | Float_t *t0 = new Float_t[nMomBins]; | |
469 | Float_t *t0res = new Float_t[nMomBins]; | |
470 | Int_t *multT0 = new Int_t[nMomBins]; | |
471 | ||
472 | for(Int_t i=0;i<nMomBins;i++){ | |
473 | // printf("START %i) %f %f\n",i,fT0event[i],fT0resolution[i]); | |
474 | multT0[i]=0; | |
475 | Bool_t kNewT0=kTRUE; | |
476 | for(Int_t j=0;j < nt0;j++){ | |
477 | if(TMath::Abs(fPIDesd->GetTOFResponse().GetT0bin(i) - t0[j])<0.1){ | |
478 | kNewT0=kFALSE; | |
479 | multT0[j]++; | |
480 | j=nMomBins*10; | |
481 | } | |
482 | } | |
483 | if(kNewT0){ | |
484 | t0[nt0]=fPIDesd->GetTOFResponse().GetT0bin(i); | |
485 | t0res[nt0]=fPIDesd->GetTOFResponse().GetT0binRes(i); | |
486 | nt0++; | |
487 | } | |
488 | } | |
489 | ||
490 | Int_t iMultT0=0,nmult=0; | |
491 | for(Int_t j=0;j < nt0;j++){ // find the most frequent | |
492 | if(multT0[j] > nmult){ | |
493 | iMultT0 = j; | |
494 | nmult = multT0[j]; | |
495 | } | |
496 | } | |
497 | ||
498 | Float_t *t0ESD = new Float_t[nMomBins]; | |
499 | Float_t *t0resESD = new Float_t[nMomBins]; | |
500 | Int_t *it0ESD = new Int_t[nMomBins]; | |
501 | ||
502 | Float_t t0Gen,t0ResGen; | |
503 | t0Gen = t0[iMultT0]; | |
504 | t0ResGen = t0res[iMultT0]; | |
505 | nt0=0; | |
506 | // printf("T0 to ESD\n%f %f\n",t0Gen,t0ResGen); | |
507 | for(Int_t i=0;i<nMomBins;i++){ | |
508 | if(TMath::Abs(fPIDesd->GetTOFResponse().GetT0bin(i) - t0Gen)>0.1){ | |
509 | t0ESD[nt0]=fPIDesd->GetTOFResponse().GetT0bin(i); | |
510 | t0resESD[nt0]=fPIDesd->GetTOFResponse().GetT0binRes(i); | |
511 | it0ESD[nt0]=i; | |
512 | // printf("%i) %f %f %i\n",nt0,t0ESD[nt0],t0resESD[nt0],it0ESD[nt0]); | |
513 | nt0++; | |
514 | } | |
515 | } | |
516 | ||
517 | // Write t0Gen,t0ResGen; nt0; t0resESD[0:nt0],it0ESD[0:nt0] in the AliESDEvent | |
518 | ||
519 | AliTOFHeader *tofHeader = | |
520 | new AliTOFHeader(t0Gen,t0ResGen,nt0, | |
c85a1b24 | 521 | t0ESD,t0resESD,it0ESD,fTimeResolution,fT0width); |
f858b00e | 522 | |
523 | esd->SetTOFHeader(tofHeader); | |
524 | ||
c85a1b24 | 525 | AliDebug(1,Form("resTOF=%f T0spread=%f t0Gen=%f t0resGen=%f",fTimeResolution,fT0width,t0Gen,t0ResGen)); |
526 | AliDebug(1,Form("%d ",nt0)); | |
f858b00e | 527 | for (Int_t ii=0; ii<nt0; ii++) |
c85a1b24 | 528 | AliDebug(1,Form("pBin=%d t0val=%f t0res=%f",it0ESD[ii],t0ESD[ii],t0resESD[ii])); |
f858b00e | 529 | |
530 | delete[] t0; | |
531 | t0 = NULL; | |
532 | delete[] t0res; | |
533 | t0res = NULL; | |
534 | delete[] multT0; | |
535 | multT0 = NULL; | |
536 | delete[] t0ESD; | |
537 | t0ESD = NULL; | |
538 | delete[] t0resESD; | |
539 | t0resESD = NULL; | |
540 | delete[] it0ESD; | |
541 | it0ESD = NULL; | |
542 | ||
543 | } |