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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 "AliTOFT0maker.h" |
536031f2 | 47 | #include "AliPID.h" |
f858b00e | 48 | #include "AliLog.h" |
536031f2 | 49 | #include "AliESDpid.h" |
03bd764d | 50 | #include "AliESDEvent.h" |
51 | #include "TFile.h" | |
52 | #include "TH1F.h" | |
5b4ed716 | 53 | #include "AliTOFcalib.h" |
54 | #include "AliTOFRunParams.h" | |
55 | #include "TRandom.h" | |
f858b00e | 56 | #include "AliTOFHeader.h" |
536031f2 | 57 | |
58 | ClassImp(AliTOFT0maker) | |
59 | ||
60 | //____________________________________________________________________________ | |
5b4ed716 | 61 | AliTOFT0maker::AliTOFT0maker(): |
62 | TObject(), | |
63 | fT0TOF(NULL), | |
64 | fPIDesd(NULL), | |
65 | fExternalPIDFlag(kFALSE), | |
66 | fTOFcalib(NULL), | |
67 | fNoTOFT0(0), | |
2a258f40 | 68 | fNmomBins(0), |
5b4ed716 | 69 | fTimeResolution(100), |
70 | fT0sigma(1000), | |
71 | fHmapChannel(0), | |
72 | fKmask(0), | |
2a258f40 | 73 | fT0width(150.), |
74 | fT0spreadExt(-1.), | |
75 | fT0fillExt(0) | |
5b4ed716 | 76 | { |
77 | // ctr | |
78 | fCalculated[0] = 0; | |
79 | fCalculated[1] = 0; | |
80 | fCalculated[2] = 0; | |
81 | fCalculated[3] = 0; | |
82 | ||
020dbfc2 | 83 | fT0cur[0]=0.; |
84 | fT0cur[1]=0.; | |
85 | ||
5b4ed716 | 86 | if(AliPID::ParticleMass(0) == 0) new AliPID(); |
87 | ||
88 | fPIDesd = new AliESDpid(); | |
89 | ||
2a258f40 | 90 | fNmomBins = fPIDesd->GetTOFResponse().GetNmomBins(); |
91 | SetTOFResponse(); | |
92 | ||
93 | fT0TOF = new AliTOFT0v1(fPIDesd); | |
94 | ||
5b4ed716 | 95 | } |
96 | //____________________________________________________________________________ | |
97 | AliTOFT0maker::AliTOFT0maker(AliESDpid *externalPID, AliTOFcalib *tofCalib): | |
98 | TObject(), | |
99 | fT0TOF(NULL), | |
100 | fPIDesd(externalPID), | |
101 | fExternalPIDFlag(kTRUE), | |
102 | fTOFcalib(tofCalib), | |
03bd764d | 103 | fNoTOFT0(0), |
2a258f40 | 104 | fNmomBins(0), |
5b4ed716 | 105 | fTimeResolution(100), |
03bd764d | 106 | fT0sigma(1000), |
107 | fHmapChannel(0), | |
5b4ed716 | 108 | fKmask(0), |
2a258f40 | 109 | fT0width(150.), |
110 | fT0spreadExt(-1.), | |
111 | fT0fillExt(0) | |
536031f2 | 112 | { |
6a4e212e | 113 | // ctr |
6a4e212e | 114 | fCalculated[0] = 0; |
115 | fCalculated[1] = 0; | |
116 | fCalculated[2] = 0; | |
03bd764d | 117 | fCalculated[3] = 0; |
6a4e212e | 118 | |
020dbfc2 | 119 | fT0cur[0]=0.; |
120 | fT0cur[1]=0.; | |
121 | ||
536031f2 | 122 | if(AliPID::ParticleMass(0) == 0) new AliPID(); |
03bd764d | 123 | |
5b4ed716 | 124 | if(!fPIDesd){ |
125 | fPIDesd = new AliESDpid(); | |
126 | fExternalPIDFlag = kFALSE; | |
127 | } | |
128 | ||
2a258f40 | 129 | fNmomBins = fPIDesd->GetTOFResponse().GetNmomBins(); |
130 | SetTOFResponse(); | |
5b4ed716 | 131 | |
2a258f40 | 132 | fT0TOF = new AliTOFT0v1(fPIDesd); |
8f589502 | 133 | |
8f589502 | 134 | } |
5b4ed716 | 135 | |
8f589502 | 136 | //____________________________________________________________________________ |
536031f2 | 137 | AliTOFT0maker::~AliTOFT0maker() |
138 | { | |
139 | // dtor | |
5b4ed716 | 140 | |
141 | delete fT0TOF; | |
142 | if (!fExternalPIDFlag) delete fPIDesd; | |
536031f2 | 143 | } |
144 | //____________________________________________________________________________ | |
5b4ed716 | 145 | Double_t* AliTOFT0maker::ComputeT0TOF(AliESDEvent *esd,Double_t t0time,Double_t t0sigma){ |
8f589502 | 146 | // |
147 | // Remake TOF PID probabilities | |
148 | // | |
2a258f40 | 149 | Double_t t0tof[6]; |
536031f2 | 150 | |
03bd764d | 151 | if(fKmask) ApplyMask(esd); |
152 | ||
2a258f40 | 153 | Double_t t0fill = 0.; |
154 | ||
155 | fPIDesd->GetTOFResponse().ResetT0info(); | |
156 | ||
5b4ed716 | 157 | /* get T0 spread from TOFcalib if available otherwise use default value */ |
158 | if (fTOFcalib && esd) { | |
159 | AliTOFRunParams *runParams = fTOFcalib->GetRunParams(); | |
160 | if (runParams && runParams->GetTimestamp(0) != 0) { | |
161 | Float_t t0spread = runParams->EvalT0Spread(esd->GetTimeStamp()); | |
2a258f40 | 162 | if(fT0spreadExt > 0) SetT0FillWidth(fT0spreadExt); |
163 | else{ | |
164 | SetT0FillWidth(t0spread); | |
165 | t0fill = fT0fillExt; | |
166 | } | |
167 | } | |
168 | else{ | |
90beec49 | 169 | if(fT0spreadExt > 0) SetT0FillWidth(fT0spreadExt); |
2a258f40 | 170 | t0fill = fT0fillExt; |
5b4ed716 | 171 | } |
536031f2 | 172 | } |
bc4fdef6 | 173 | else if(esd){ |
174 | Float_t t0spread = esd->GetSigma2DiamondZ(); // vertex pread ^2 | |
175 | if(t0spread > 0) t0spread = TMath::Sqrt(t0spread)/0.0299792458; | |
176 | ||
177 | if(fT0spreadExt > 0) SetT0FillWidth(fT0spreadExt); | |
178 | else{ | |
179 | SetT0FillWidth(t0spread); | |
180 | t0fill = fT0fillExt; | |
181 | } | |
182 | } | |
03bd764d | 183 | |
bf40b7fa | 184 | Float_t thrGood = TMath::Max(Float_t(500.),fT0width*3); |
185 | ||
5b4ed716 | 186 | fT0TOF->Init(esd); |
187 | AliTOFT0v1* t0maker= fT0TOF; | |
5b4ed716 | 188 | |
189 | t0maker->DefineT0("all",1.5,3.0); | |
190 | t0tof[0] = t0maker->GetResult(0); | |
191 | t0tof[1] = t0maker->GetResult(1); | |
192 | t0tof[2] = t0maker->GetResult(2); | |
193 | t0tof[3] = t0maker->GetResult(3); | |
2a258f40 | 194 | t0tof[4] = t0maker->GetResult(4); |
195 | t0tof[5] = t0maker->GetResult(5); | |
536031f2 | 196 | |
8f589502 | 197 | Float_t lT0Current=0.; |
536031f2 | 198 | fT0sigma=1000; |
199 | ||
03bd764d | 200 | // Int_t nrun = esd->GetRunNumber(); |
5b4ed716 | 201 | |
03bd764d | 202 | t0time += t0fill; |
8f589502 | 203 | |
5b4ed716 | 204 | Float_t sigmaFill = fT0width; |
205 | ||
206 | if(sigmaFill < 20) sigmaFill = 140; | |
8f589502 | 207 | |
03bd764d | 208 | fCalculated[0]=-1000*t0tof[0]; // best t0 |
209 | fCalculated[1]=1000*t0tof[1]; // sigma best t0 | |
210 | fCalculated[2] = t0fill; //t0 fill | |
211 | fCalculated[3] = t0tof[2]; // n TOF tracks | |
212 | fCalculated[4]=-1000*t0tof[0]; // TOF t0 | |
213 | fCalculated[5]=1000*t0tof[1]; // TOF t0 sigma | |
214 | fCalculated[6]=sigmaFill; // sigma t0 fill | |
215 | fCalculated[7] = t0tof[3]; // n TOF tracks used for T0 | |
216 | ||
bf40b7fa | 217 | if(fCalculated[7] > 30) thrGood = 10000000; |
218 | ||
2a258f40 | 219 | //statistics |
220 | fCalculated[8] = t0tof[4]; // real time in s | |
221 | fCalculated[9] = t0tof[5]; // cpu time in s | |
222 | ||
bf40b7fa | 223 | if(fCalculated[1] < sigmaFill && TMath::Abs(fCalculated[0] - t0fill) < thrGood && fCalculated[1] < fTimeResolution*1.2){ |
6a4e212e | 224 | fT0sigma=fCalculated[1]; |
225 | lT0Current=fCalculated[0]; | |
536031f2 | 226 | } |
03bd764d | 227 | else{ |
228 | fCalculated[4] = t0fill; | |
229 | fCalculated[5] = sigmaFill; | |
230 | } | |
231 | ||
5b4ed716 | 232 | if(fCalculated[1] < 1 || fT0sigma > sigmaFill || fCalculated[1] > fTimeResolution* 1.2){ |
03bd764d | 233 | fT0sigma =1000; |
234 | fCalculated[4] = t0fill; | |
235 | fCalculated[5] = sigmaFill; | |
236 | } | |
536031f2 | 237 | |
238 | if(t0sigma < 1000){ | |
239 | if(fT0sigma < 1000){ | |
240 | Double_t w1 = 1./t0sigma/t0sigma; | |
6a4e212e | 241 | Double_t w2 = 1./fCalculated[1]/fCalculated[1]; |
536031f2 | 242 | |
243 | Double_t wtot = w1+w2; | |
244 | ||
6a4e212e | 245 | lT0Current = (w1*t0time + w2*fCalculated[0]) / wtot; |
536031f2 | 246 | fT0sigma = TMath::Sqrt(1./wtot); |
247 | } | |
248 | else{ | |
8f589502 | 249 | lT0Current=t0time; |
536031f2 | 250 | fT0sigma=t0sigma; |
251 | } | |
252 | } | |
253 | ||
bf40b7fa | 254 | if(fT0sigma < sigmaFill && TMath::Abs(lT0Current - t0fill) < thrGood){ |
03bd764d | 255 | fCalculated[1]=fT0sigma; |
256 | fCalculated[0]=lT0Current; | |
257 | } | |
258 | ||
259 | if(fT0sigma >= 1000 || fNoTOFT0){ | |
8f589502 | 260 | lT0Current = t0fill; |
03bd764d | 261 | fT0sigma = sigmaFill; |
8f589502 | 262 | |
6a4e212e | 263 | fCalculated[0] = t0fill; |
03bd764d | 264 | fCalculated[1] = sigmaFill; |
536031f2 | 265 | } |
266 | ||
5b4ed716 | 267 | // T0 pt bin |
721ed687 | 268 | Float_t *t0values = new Float_t[fNmomBins]; |
269 | Float_t *t0resolution = new Float_t[fNmomBins]; | |
2a258f40 | 270 | if(fCalculated[7] < 100){ |
271 | for(Int_t i=0;i<fNmomBins;i++){ | |
272 | t0maker->DefineT0("all",fPIDesd->GetTOFResponse().GetMinMom(i),fPIDesd->GetTOFResponse().GetMaxMom(i)); | |
273 | t0tof[0] = t0maker->GetResult(0); | |
274 | t0tof[1] = t0maker->GetResult(1); | |
275 | t0tof[2] = t0maker->GetResult(2); | |
276 | t0tof[3] = t0maker->GetResult(3); | |
2a258f40 | 277 | |
278 | Float_t t0bin =-1000*t0tof[0]; // best t0 | |
279 | Float_t t0binRes =1000*t0tof[1]; // sigma best t0 | |
280 | ||
bf40b7fa | 281 | if(t0binRes < sigmaFill && t0binRes < fTimeResolution * 1.2 && TMath::Abs(t0bin - t0fill) < thrGood){ |
2a258f40 | 282 | // Ok T0 |
283 | if(t0sigma < 1000){ | |
284 | Double_t w1 = 1./t0sigma/t0sigma; | |
285 | Double_t w2 = 1./t0binRes/t0binRes; | |
286 | ||
287 | Double_t wtot = w1+w2; | |
288 | ||
289 | t0bin = (w1*t0time + w2*t0bin) / wtot; | |
290 | t0binRes = TMath::Sqrt(1./wtot); | |
291 | } | |
292 | } | |
293 | else{ | |
294 | t0bin = t0fill; | |
295 | t0binRes = sigmaFill; | |
296 | if(t0sigma < 1000){ | |
297 | t0bin = t0time; | |
298 | t0binRes= t0sigma; | |
299 | } | |
300 | } | |
721ed687 | 301 | t0values[i] = t0bin; |
302 | t0resolution[i] = t0binRes; | |
5b4ed716 | 303 | } |
2a258f40 | 304 | } |
305 | else{ | |
306 | for(Int_t i=0;i<fNmomBins;i++){ | |
721ed687 | 307 | t0values[i] = lT0Current; |
308 | t0resolution[i] = fT0sigma; | |
5b4ed716 | 309 | } |
310 | } | |
721ed687 | 311 | for(Int_t i=0;i<fNmomBins;i++){ |
312 | fPIDesd->GetTOFResponse().SetT0bin(i,t0values[i]); | |
313 | fPIDesd->GetTOFResponse().SetT0binRes(i,t0resolution[i]); | |
314 | } | |
315 | ||
316 | delete[] t0values; | |
317 | delete[] t0resolution; | |
536031f2 | 318 | |
6a4e212e | 319 | return fCalculated; |
536031f2 | 320 | } |
321 | //____________________________________________________________________________ | |
5b4ed716 | 322 | Double_t *AliTOFT0maker::GetT0p(Float_t p){// [0]=to -- [1] = sigma T0 |
2a258f40 | 323 | Int_t i=fPIDesd->GetTOFResponse().GetMomBin(p); |
03bd764d | 324 | |
2a258f40 | 325 | fT0cur[0] = fPIDesd->GetTOFResponse().GetT0bin(i); |
326 | fT0cur[1] = fPIDesd->GetTOFResponse().GetT0binRes(i); | |
327 | ||
5b4ed716 | 328 | return fT0cur; |
536031f2 | 329 | } |
330 | //____________________________________________________________________________ | |
5b4ed716 | 331 | void AliTOFT0maker::SetTOFResponse(){ |
2a258f40 | 332 | fPIDesd->GetTOFResponse().SetTimeResolution(fTimeResolution); |
5b4ed716 | 333 | } |
334 | //____________________________________________________________________________ | |
335 | Float_t AliTOFT0maker::GetExpectedSigma(Float_t mom, Float_t tof, Float_t mass){ | |
5b4ed716 | 336 | Float_t sigma = fPIDesd->GetTOFResponse().GetExpectedSigma(mom,tof,mass); |
8f589502 | 337 | |
5b4ed716 | 338 | return sigma; |
536031f2 | 339 | } |
340 | //____________________________________________________________________________ | |
5b4ed716 | 341 | void AliTOFT0maker::ApplyT0TOF(AliESDEvent *esd){ |
8f589502 | 342 | // |
5b4ed716 | 343 | // Recalculate TOF PID probabilities |
8f589502 | 344 | // |
345 | ||
90beec49 | 346 | // subtruct t0 for each track |
347 | Int_t ntracks = esd->GetNumberOfTracks(); | |
536031f2 | 348 | |
90beec49 | 349 | while (ntracks--) { |
350 | AliESDtrack *t=esd->GetTrack(ntracks); | |
03bd764d | 351 | |
90beec49 | 352 | if ((t->GetStatus()&AliESDtrack::kTOFout)==0) continue; |
5b4ed716 | 353 | |
90beec49 | 354 | Double_t time=t->GetTOFsignal(); |
355 | Float_t p = t->GetP(); | |
356 | ||
357 | Double_t *t0=GetT0p(p); | |
358 | time -= t0[0]; | |
359 | t->SetTOFsignal(time); | |
360 | } | |
361 | ||
362 | for(Int_t i=0;i<fNmomBins;i++){ | |
363 | fPIDesd->GetTOFResponse().SetT0bin(i,0.0); | |
364 | } | |
365 | ||
5b4ed716 | 366 | // |
536031f2 | 367 | } |
03bd764d | 368 | //____________________________________________________________________________ |
777fcfde | 369 | void AliTOFT0maker::LoadChannelMap(const char *filename){ |
03bd764d | 370 | // Load the histo with the channel off map |
371 | TFile *f= new TFile(filename); | |
372 | if(!f){ | |
373 | printf("Cannot open the channel map file (%s)\n",filename); | |
374 | return; | |
375 | } | |
376 | ||
377 | fHmapChannel = (TH1F *) f->Get("hChEnabled"); | |
378 | ||
379 | if(!fHmapChannel){ | |
380 | printf("Cannot laod the channel map histo (from %s)\n",filename); | |
381 | return; | |
382 | } | |
383 | ||
384 | } | |
385 | //____________________________________________________________________________ | |
386 | void AliTOFT0maker::ApplyMask(AliESDEvent * const esd){ | |
387 | // Switch off the disable channel | |
388 | if(!fHmapChannel){ | |
389 | printf("Channel Map is not available\n"); | |
390 | return; | |
391 | } | |
392 | ||
393 | Int_t ntracks = esd->GetNumberOfTracks(); | |
394 | ||
395 | while (ntracks--) { | |
396 | AliESDtrack *t=esd->GetTrack(ntracks); | |
397 | ||
398 | if ((t->GetStatus()&AliESDtrack::kTOFout)==0) continue; | |
399 | ||
400 | Int_t chan = t->GetTOFCalChannel(); | |
401 | ||
402 | if(fHmapChannel->GetBinContent(chan) < 0.01){ | |
403 | t->ResetStatus(AliESDtrack::kTOFout); | |
404 | } | |
405 | } | |
406 | } | |
407 | ||
5b4ed716 | 408 | Float_t |
409 | AliTOFT0maker::TuneForMC(AliESDEvent *esd){ // return true T0 event | |
410 | // | |
411 | // tune for MC data | |
412 | // | |
413 | ||
414 | Float_t TOFtimeResolutionDefault=80; | |
415 | ||
416 | Float_t t0 = gRandom->Gaus(0.,fT0width); | |
417 | ||
418 | Float_t extraSmearing = 0; | |
419 | ||
420 | if(fTimeResolution > TOFtimeResolutionDefault){ | |
421 | extraSmearing = TMath::Sqrt(fTimeResolution*fTimeResolution - TOFtimeResolutionDefault*TOFtimeResolutionDefault); | |
422 | } | |
423 | ||
424 | // subtruct t0 for each track | |
425 | Int_t ntracks = esd->GetNumberOfTracks(); | |
426 | ||
427 | while (ntracks--) { | |
428 | AliESDtrack *t=esd->GetTrack(ntracks); | |
429 | ||
430 | if ((t->GetStatus()&AliESDtrack::kTOFout)==0) continue; | |
431 | ||
432 | /* check if channel is enabled */ | |
bc4fdef6 | 433 | if (fTOFcalib){ |
434 | if(!fTOFcalib->IsChannelEnabled(t->GetTOFCalChannel())) { | |
435 | /* reset TOF status */ | |
436 | t->ResetStatus(AliESDtrack::kTOFin); | |
437 | t->ResetStatus(AliESDtrack::kTOFout); | |
438 | t->ResetStatus(AliESDtrack::kTOFmismatch); | |
439 | t->ResetStatus(AliESDtrack::kTOFpid); | |
440 | } | |
5b4ed716 | 441 | } |
442 | ||
443 | Double_t time=t->GetTOFsignal(); | |
444 | ||
445 | time += t0; | |
446 | ||
447 | if(extraSmearing>0){ | |
448 | Float_t smearing = gRandom->Gaus(0.,extraSmearing); | |
449 | time += smearing; | |
450 | } | |
451 | ||
452 | t->SetTOFsignal(time); | |
453 | } | |
454 | // | |
455 | return t0; | |
456 | } | |
f858b00e | 457 | //_________________________________________________________________________ |
458 | void AliTOFT0maker::WriteInESD(AliESDEvent *esd){ | |
459 | // | |
460 | // Write t0Gen, t0ResGen, nt0; | |
461 | // t0resESD[0:nt0], it0ESD[0:nt0] | |
462 | // in the AliESDEvent | |
463 | // | |
464 | Int_t nMomBins = fPIDesd->GetTOFResponse().GetNmomBins(); | |
465 | ||
466 | Int_t nt0=0; | |
467 | Float_t *t0 = new Float_t[nMomBins]; | |
468 | Float_t *t0res = new Float_t[nMomBins]; | |
469 | Int_t *multT0 = new Int_t[nMomBins]; | |
470 | ||
471 | for(Int_t i=0;i<nMomBins;i++){ | |
472 | // printf("START %i) %f %f\n",i,fT0event[i],fT0resolution[i]); | |
473 | multT0[i]=0; | |
474 | Bool_t kNewT0=kTRUE; | |
475 | for(Int_t j=0;j < nt0;j++){ | |
476 | if(TMath::Abs(fPIDesd->GetTOFResponse().GetT0bin(i) - t0[j])<0.1){ | |
477 | kNewT0=kFALSE; | |
478 | multT0[j]++; | |
479 | j=nMomBins*10; | |
480 | } | |
481 | } | |
482 | if(kNewT0){ | |
483 | t0[nt0]=fPIDesd->GetTOFResponse().GetT0bin(i); | |
484 | t0res[nt0]=fPIDesd->GetTOFResponse().GetT0binRes(i); | |
485 | nt0++; | |
486 | } | |
487 | } | |
488 | ||
489 | Int_t iMultT0=0,nmult=0; | |
490 | for(Int_t j=0;j < nt0;j++){ // find the most frequent | |
491 | if(multT0[j] > nmult){ | |
492 | iMultT0 = j; | |
493 | nmult = multT0[j]; | |
494 | } | |
495 | } | |
496 | ||
497 | Float_t *t0ESD = new Float_t[nMomBins]; | |
498 | Float_t *t0resESD = new Float_t[nMomBins]; | |
499 | Int_t *it0ESD = new Int_t[nMomBins]; | |
500 | ||
501 | Float_t t0Gen,t0ResGen; | |
502 | t0Gen = t0[iMultT0]; | |
503 | t0ResGen = t0res[iMultT0]; | |
504 | nt0=0; | |
505 | // printf("T0 to ESD\n%f %f\n",t0Gen,t0ResGen); | |
506 | for(Int_t i=0;i<nMomBins;i++){ | |
507 | if(TMath::Abs(fPIDesd->GetTOFResponse().GetT0bin(i) - t0Gen)>0.1){ | |
508 | t0ESD[nt0]=fPIDesd->GetTOFResponse().GetT0bin(i); | |
509 | t0resESD[nt0]=fPIDesd->GetTOFResponse().GetT0binRes(i); | |
510 | it0ESD[nt0]=i; | |
511 | // printf("%i) %f %f %i\n",nt0,t0ESD[nt0],t0resESD[nt0],it0ESD[nt0]); | |
512 | nt0++; | |
513 | } | |
514 | } | |
515 | ||
516 | // Write t0Gen,t0ResGen; nt0; t0resESD[0:nt0],it0ESD[0:nt0] in the AliESDEvent | |
517 | ||
518 | AliTOFHeader *tofHeader = | |
519 | new AliTOFHeader(t0Gen,t0ResGen,nt0, | |
c85a1b24 | 520 | t0ESD,t0resESD,it0ESD,fTimeResolution,fT0width); |
f858b00e | 521 | |
522 | esd->SetTOFHeader(tofHeader); | |
523 | ||
c85a1b24 | 524 | AliDebug(1,Form("resTOF=%f T0spread=%f t0Gen=%f t0resGen=%f",fTimeResolution,fT0width,t0Gen,t0ResGen)); |
525 | AliDebug(1,Form("%d ",nt0)); | |
f858b00e | 526 | for (Int_t ii=0; ii<nt0; ii++) |
c85a1b24 | 527 | AliDebug(1,Form("pBin=%d t0val=%f t0res=%f",it0ESD[ii],t0ESD[ii],t0resESD[ii])); |
f858b00e | 528 | |
529 | delete[] t0; | |
530 | t0 = NULL; | |
531 | delete[] t0res; | |
532 | t0res = NULL; | |
533 | delete[] multT0; | |
534 | multT0 = NULL; | |
535 | delete[] t0ESD; | |
536 | t0ESD = NULL; | |
537 | delete[] t0resESD; | |
538 | t0resESD = NULL; | |
539 | delete[] it0ESD; | |
540 | it0ESD = NULL; | |
541 | ||
542 | } |