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New task to check TPC-ITS track prolongation eff with cosmics
[u/mrichter/AliRoot.git] / TOF / AliTOFT0.cxx
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d599d913 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 **************************************************************************/
15
88cb7938 16/* $Id$ */
17
d599d913 18//_________________________________________________________________________
0e46b9ae 19//
d599d913 20// This is a TTask that made the calculation of the Time zero using TOF.
7aeeaf38 21// Description: The algorithm used to calculate the time zero of
22// interaction using TOF detector is the following.
23// We select in the MonteCarlo some primary particles - or tracks in
24// the following - that strike the TOF detector (the larger part are
25// pions, kaons or protons).
26// We choose a set of 10 selected tracks, for each track You have the
27// length of the track when the TOF is reached (a standard TOF hit
28// does not contain this additional information, this is the reason
29// why we implemented a new time zero dedicated TOF hit class
30// AliTOFhitT0; in order to store this type of hit You have to use the
31// AliTOFv4T0 as TOF class in Your Config.C. In AliTOFv4T0 the
32// StepManager was modified in order to fill the TOF hit branch with
33// this type of hits; in fact the AliTOF::AddT0Hit is called rather
34// that the usual AliTOF::AddHit), the momentum at generation (from
35// TreeK) and the time of flight given by the TOF detector.
36// (Observe that the ctor of the AliTOF class, when the AliTOFv4T0
37// class is used, is called with the "tzero" option: it is in order
38// create the fHits TClonesArray filled with AliTOFhitT0 objects,
39// rather than with normal AliTOFhit)
40// Then Momentum and time of flight for each track are smeared
41// according to known experimental resolution (all sources of error
42// have been token into account).
43// Let consider now only one set of 10 tracks (the algorithm is the
44// same for all sets).
45// Assuming the (mass) hypothesis that each track can be AUT a pion,
46// AUT a kaon, AUT a proton, we consider all the 3 at 10 possible
47// cases.
d599d913 48// For each track in each (mass) configuration
7aeeaf38 49// (a configuration can be
50// e.g. pion/pion/kaon/proton/pion/proton/kaon/kaon/pion/pion)
51// we calculate the time zero (we know in fact the velocity of the
52// track after the assumption about its mass, the time of flight given
53// by the TOF, and the corresponding path travelled till the TOF
54// detector). Then for each mass configuration we have 10 time zero
55// and we can calculate the ChiSquare for the current configuration
56// using the weighted mean over all 10 time zero.
57// We call the best assignment the mass configuration that gives the
58// minimum value of the ChiSquare.
59// We plot the weighted mean over all 10 time zero for the best
60// assignment, the ChiSquare for the best assignment and the
61// corresponding confidence level.
62// The strong assumption is the MC selection of primary particles. It
63// will be introduced in the future also some more realistic
64// simulation about this point.
0e46b9ae 65//
d599d913 66// Use case:
67// root [0] AliTOFT0 * tzero = new AliTOFT0("galice.root")
68// Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
69// root [1] tzero->ExecuteTask()
70// root [2] tzero->ExecuteTask("tim")
71// // available parameters:
72// tim - print benchmarking information
7aeeaf38 73// all - print usefull informations about the number of
74// misidentified tracks and a comparison about the
75// true configuration (known from MC) and the best
d599d913 76// assignment
0e46b9ae 77//
d599d913 78//-- Author: F. Pierella
0e46b9ae 79//
80//_________________________________________________________________________
81
e939a978 82#include <TCanvas.h>
83#include <TClonesArray.h>
84#include <TFile.h>
5c7c93fa 85//#include <TFolder.h>
e939a978 86#include <TFrame.h>
87#include <TH1.h>
88#include <TParticle.h>
89#include <TBenchmark.h>
90#include <TTask.h>
91#include <TTree.h>
92#include <TRandom.h>
a1e17193 93#include <TROOT.h>
0e46b9ae 94
d3c7bfac 95#include "AliMC.h"
88cb7938 96#include "AliRun.h"
d3c7bfac 97
d599d913 98#include "AliTOFhitT0.h"
0e46b9ae 99#include "AliTOFT0.h"
100#include "AliTOF.h"
101
5c7c93fa 102extern TROOT *gROOT;
103extern TRandom *gRandom;
104extern TBenchmark *gBenchmark;
105
106extern AliRun *gAlice;
107
d599d913 108ClassImp(AliTOFT0)
109
110//____________________________________________________________________________
655e379f 111AliTOFT0::AliTOFT0():
112 TTask("AliTOFT0",""),
113 fNevents(0),
114 fTimeResolution(0),
115 fLowerMomBound(0),
116 fUpperMomBound(0),
117 fT0File(""),
118 fHeadersFile("")
d599d913 119{
120 // ctor
d599d913 121}
122
123//____________________________________________________________________________
655e379f 124AliTOFT0::AliTOFT0(char* headerFile, Int_t nEvents):
125 TTask("AliTOFT0",""),
126 fNevents(nEvents),
127 fTimeResolution(1.2e-10),
128 fLowerMomBound(1.5),
129 fUpperMomBound(2.),
130 fT0File(""),
131 fHeadersFile(headerFile)
d599d913 132{
7aeeaf38 133 //
134 //
135 //
136
655e379f 137 //fNevents=nEvents ; // Number of events for which calculate the T0,
d599d913 138 // default 0: it means all evens in current file
655e379f 139 //fLowerMomBound=1.5; // [GeV/c] default value
140 //fUpperMomBound=2. ; // [GeV/c] default value
141 //fTimeResolution = 1.2e-10; // 120 ps by default
142 //fHeadersFile = headerFile ;
d599d913 143
144 TFile * file = (TFile*) gROOT->GetFile(fHeadersFile.Data() ) ;
145
146 //File was not opened yet
147 if(file == 0){
148 if(fHeadersFile.Contains("rfio"))
149 file = TFile::Open(fHeadersFile,"update") ;
150 else
151 file = new TFile(fHeadersFile.Data(),"update") ;
152 gAlice = (AliRun *) file->Get("gAlice") ;
153 }
154
155 // add Task to //root/Tasks folder
156 TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
157 roottasks->Add(this) ;
158}
159
5c016a7b 160//____________________________________________________________________________
655e379f 161AliTOFT0::AliTOFT0(const AliTOFT0 & tzero):
162 TTask("AliTOFT0",""),
163 fNevents(0),
164 fTimeResolution(0),
165 fLowerMomBound(0),
166 fUpperMomBound(0),
167 fT0File(""),
168 fHeadersFile("")
5c016a7b 169{
7aeeaf38 170 // copy ctr
171
5c016a7b 172( (AliTOFT0 &)tzero ).Copy(*this);
173}
174
d599d913 175//____________________________________________________________________________
176 AliTOFT0::~AliTOFT0()
177{
178 // dtor
179}
180
181//____________________________________________________________________________
182void AliTOFT0::Exec(Option_t *option)
183{
184 //
185 // calculate T0 distribution for all events using chisquare
186 //
187 Int_t ngood=0;
188 Int_t nmisidentified=0;
189 Int_t nmisidentified0=0;
190 Int_t nmisidentified1=0;
191 Int_t nmisidentified2=0;
192 Int_t nmisidentified3=0;
193 Int_t nmisidentified4=0;
194 Int_t nmisidentified5=0;
195 Int_t nmisidentified6=0;
196 Int_t nmisidentified7=0;
197 Int_t nmisidentified8=0;
198 Int_t nmisidentified9=0;
199 Int_t ipartold = -1;
200 Int_t ipart;
201 Int_t selected=0;
202 Int_t istop=0;
203 Float_t timeresolutioninns=fTimeResolution*(1.e+9); // convert in [ns]
204 const Int_t kUPDATE = 5; // for visual option
205 Int_t itimes=0;
206 TCanvas* c1=0;
207 TCanvas* c2=0;
208 TCanvas* c3=0;
209
210 if(strstr(option,"visual")){
211 // Create a new canvas.
212 //c1 = new TCanvas("c1","Dynamic Visual Filling of time zero histo",10,10,500,500);
213 c1 = new TCanvas("c1","Dynamic Visual Filling of time zero histo",10,10,370,370);
214 c1->SetFillColor(35);
215 c1->GetFrame()->SetFillColor(21);
216 c1->GetFrame()->SetBorderSize(6);
217 c1->GetFrame()->SetBorderMode(-1);
218
219 //c2 = new TCanvas("c2","Dynamic Visual Filling of chisquare histo",550,10,500,500);
220 c2 = new TCanvas("c2","Dynamic Visual Filling of chisquare histo",380,10,370,370);
221 c2->SetFillColor(35);
222 c2->GetFrame()->SetFillColor(21);
223 c2->GetFrame()->SetBorderSize(6);
224 c2->GetFrame()->SetBorderMode(-1);
225
226 //c3 = new TCanvas("c3","Dynamic Visual Filling of confidence level histo",280,550,500,500);
227 c3 = new TCanvas("c3","Dynamic Visual Filling of confidence level histo",760,10,370,370);
228 c3->SetFillColor(35);
229 c3->GetFrame()->SetFillColor(21);
230 c3->GetFrame()->SetBorderSize(6);
231 c3->GetFrame()->SetBorderMode(-1);
232 }
233
234 if(strstr(option,"tim") || strstr(option,"all"))
235 gBenchmark->Start("TOFT0");
236
237 TH1F *htzerobest= new TH1F("htzerobest","T0 for best assignment",200,-1.,1.);
238 TH1F* hchibest = new TH1F("hchibest","ChiSquare Min Distribution",80,0.,40.);
239 TH1F* hchibestconflevel = new TH1F("hchibestconflevel","ChiSquare Min Confidence Level",10,0.,1.);
240
241 // setting histo colors
242 if(strstr(option,"visual")){
243 htzerobest->SetFillColor(48);
244 hchibest->SetFillColor(50);
245 hchibestconflevel->SetFillColor(52);
246 }
247
248 Int_t assparticle[10]={3,3,3,3,3,3,3,3,3,3};
249 Int_t truparticle[10]={3,3,3,3,3,3,3,3,3,3};
250 Float_t t0best=999.;
251 Float_t timeofflight[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
252 Float_t momentum[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
253 Float_t timezero[10];
254 Float_t weightedtimezero[10];
255 Float_t beta[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
256 Float_t sqMomError[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
257 Float_t sqTrackError[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
258 Float_t massarray[3]={0.13957,0.493677,0.9382723};
259 Float_t dummychisquare=0.;
260 Float_t chisquare=999.;
261 Float_t tracktoflen[10]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
262
7aeeaf38 263 AliTOF *detTOF = (AliTOF *) gAlice->GetDetector ("TOF");
d599d913 264
7aeeaf38 265 if (!detTOF) {
d599d913 266 Error("AliTOFT0","TOF not found");
267 return;
268 }
269
270 if(strstr(option,"all")){
0e46b9ae 271 AliInfo(Form("Selecting primary tracks with momentum between %d GeV/c and %d GeV/c", fLowerMomBound, fUpperMomBound));
272 AliInfo("Memorandum: 0 means PION | 1 means KAON | 2 means PROTON")
d599d913 273 }
274
33c3c91a 275 if (fNevents == 0) fNevents = (Int_t) AliRunLoader::Instance()->TreeE()->GetEntries();
d599d913 276
277 for (Int_t ievent = 0; ievent < fNevents; ievent++) {
278 gAlice->GetEvent(ievent);
cb5b8b21 279 TTree *hitTree = detTOF->GetLoader()->TreeH ();
7aeeaf38 280 if (!hitTree)
d599d913 281 return;
282 TParticle* particle;
283 AliTOFhitT0* tofHit;
7aeeaf38 284 TClonesArray* tofHits = detTOF->Hits();
d599d913 285
286 Int_t lasttrack=-1;
287 Int_t nset=0;
5fff655e 288
7aeeaf38 289 hitTree->SetBranchStatus("*",0); // switch off all branches
290 hitTree->SetBranchStatus("TOF*",1); // switch on only TOF
5fff655e 291
d599d913 292 // Start loop on primary tracks in the hits containers
293
7aeeaf38 294 Int_t ntracks = static_cast<Int_t>(hitTree->GetEntries());
d599d913 295 for (Int_t track = 0; track < ntracks; track++)
296 {
297 if(nset>=5) break; // check on the number of set analyzed
298
3e2e3ece 299 gAlice->GetMCApp()->ResetHits();
7aeeaf38 300 hitTree->GetEvent(track);
0e46b9ae 301
302 AliMC *mcApplication = (AliMC*)gAlice->GetMCApp();
303
304 particle = mcApplication->Particle(track);
7aeeaf38 305 Int_t nhits = tofHits->GetEntriesFast();
d599d913 306
307 for (Int_t hit = 0; hit < nhits; hit++)
308 {
7aeeaf38 309 tofHit = (AliTOFhitT0 *) tofHits->UncheckedAt(hit);
d599d913 310 ipart = tofHit->GetTrack();
311 // check to discard the case when the same particle is selected more than one
312 // time
313
314 if (ipart != ipartold){
315
5d12ce38 316 particle = (TParticle*)gAlice->GetMCApp()->Particle(ipart);
d599d913 317
318 Float_t idealtime=tofHit->GetTof();
319 // Float_t time=idealtime;
320 Float_t time = gRandom->Gaus(idealtime, fTimeResolution);
321 Float_t toflen=tofHit->GetLen();
322 toflen=toflen/100.; // toflen given in m
323 Int_t pdg = particle->GetPdgCode();
324 Int_t abspdg =TMath::Abs(pdg);
325 Float_t idealmom = particle->P();
326 Float_t momres=idealmom*0.025; // 2.5% res token into account for all momenta
327 Float_t mom =gRandom->Gaus(idealmom,momres);
328
329 Bool_t isgoodpart=(abspdg==211 || abspdg==2212 || abspdg==321);
330
331 time*=1.E+9; // tof given in nanoseconds
332 if (particle->GetFirstMother() < 0 && isgoodpart && mom<=fUpperMomBound && mom>=fLowerMomBound){
333 selected+=1;
334 istop=selected;
335 if(istop>10) break;
336 Int_t index=selected-1;
337 timeofflight[index]=time;
338 tracktoflen[index]=toflen;
339 momentum[index]=mom;
0e46b9ae 340 //AliInfo(Form(" %d %d %d ", timeofflight[index], tracktoflen[index], momentum[index]));
d599d913 341 switch (abspdg) {
342 case 211:
343 truparticle[index]=0;
344 break ;
345 case 321:
346 truparticle[index]=1;
347 break ;
348 case 2212:
349 truparticle[index]=2;
350 break ;
351 }
352
353 }
354 ipartold = ipart;
355
356 if(istop==10){ // start analysis on current set
357 nset+=1;
358 lasttrack=track;
359 istop=0;
360 selected=0;
0e46b9ae 361 //AliInfo("starting t0 calculation for current set");
d599d913 362 for (Int_t i1=0; i1<3;i1++) {
ea7a588a 363 beta[0]=momentum[0]/sqrt(massarray[i1]*massarray[i1]+momentum[0]*momentum[0]);
d599d913 364 for (Int_t i2=0; i2<3;i2++) {
ea7a588a 365 beta[1]=momentum[1]/sqrt(massarray[i2]*massarray[i2]+momentum[1]*momentum[1]);
d599d913 366 for (Int_t i3=0; i3<3;i3++) {
ea7a588a 367 beta[2]=momentum[2]/sqrt(massarray[i3]*massarray[i3]+momentum[2]*momentum[2]);
d599d913 368 for (Int_t i4=0; i4<3;i4++) {
ea7a588a 369 beta[3]=momentum[3]/sqrt(massarray[i4]*massarray[i4]+momentum[3]*momentum[3]);
d599d913 370 for (Int_t i5=0; i5<3;i5++) {
ea7a588a 371 beta[4]=momentum[4]/sqrt(massarray[i5]*massarray[i5]+momentum[4]*momentum[4]);
d599d913 372 for (Int_t i6=0; i6<3;i6++) {
ea7a588a 373 beta[5]=momentum[5]/sqrt(massarray[i6]*massarray[i6]+momentum[5]*momentum[5]);
d599d913 374 for (Int_t i7=0; i7<3;i7++) {
ea7a588a 375 beta[6]=momentum[6]/sqrt(massarray[i7]*massarray[i7]+momentum[6]*momentum[6]);
d599d913 376 for (Int_t i8=0; i8<3;i8++) {
ea7a588a 377 beta[7]=momentum[7]/sqrt(massarray[i8]*massarray[i8]+momentum[7]*momentum[7]);
d599d913 378 for (Int_t i9=0; i9<3;i9++) {
ea7a588a 379 beta[8]=momentum[8]/sqrt(massarray[i9]*massarray[i9]+momentum[8]*momentum[8]);
d599d913 380 for (Int_t i10=0; i10<3;i10++) {
d599d913 381 beta[9]=momentum[9]/sqrt(massarray[i10]*massarray[i10]+momentum[9]*momentum[9]);
382
d599d913 383 Float_t meantzero=0.;
384 Float_t sumAllweights=0.;
385 for (Int_t itz=0; itz<10;itz++) {
386 sqMomError[itz]=((1.-beta[itz]*beta[itz])*0.025)*((1.-beta[itz]*beta[itz])*0.025)*(tracktoflen[itz]/(0.299792*beta[itz]))*(tracktoflen[itz]/(0.299792*beta[itz])); // this gives the square of the momentum error in nanoseconds
387 sqTrackError[itz]=(timeresolutioninns*timeresolutioninns+sqMomError[itz]); // total error for the current track
388 sumAllweights+=1./sqTrackError[itz];
ea7a588a 389
390 timezero[itz]=(tracktoflen[itz]/(beta[itz]*0.299792))-timeofflight[itz];
391 weightedtimezero[itz]=((tracktoflen[itz]/(beta[itz]*0.299792))-timeofflight[itz])/sqTrackError[itz];// weighted time zero for current track
d599d913 392 meantzero+=weightedtimezero[itz];
393 } // end loop for (Int_t itz=0; itz<10;itz++)
394 meantzero=meantzero/sumAllweights; // it is given in [ns]
395
396 dummychisquare=0.;
397 // calculate the chisquare for the current assignment
398 for (Int_t icsq=0; icsq<10;icsq++) {
399 dummychisquare+=(timezero[icsq]-meantzero)*(timezero[icsq]-meantzero)/sqTrackError[icsq];
400 } // end loop for (Int_t icsq=0; icsq<10;icsq++)
401
402 if(dummychisquare<=chisquare){
403 assparticle[0]=i1;
404 assparticle[1]=i2;
405 assparticle[2]=i3;
406 assparticle[3]=i4;
407 assparticle[4]=i5;
408 assparticle[5]=i6;
409 assparticle[6]=i7;
410 assparticle[7]=i8;
411 assparticle[8]=i9;
412 assparticle[9]=i10;
413 chisquare=dummychisquare;
414 t0best=meantzero;
415 } // close if(dummychisquare<=chisquare)
416
417 } // end loop on i10
418 } // end loop on i9
419 } // end loop on i8
420 } // end loop on i7
421 } // end loop on i6
422 } // end loop on i5
423 } // end loop on i4
424 } // end loop on i3
425 } // end loop on i2
426 } // end loop on i1
427
428 if(truparticle[0]==assparticle[0] && truparticle[1]==assparticle[1] && truparticle[2]==assparticle[2] && truparticle[3]==assparticle[3] && truparticle[4]==assparticle[4]&& truparticle[5]==assparticle[5] && truparticle[6]==assparticle[6] && truparticle[7]==assparticle[7] && truparticle[8]==assparticle[8] && truparticle[9]==assparticle[9]) ngood+=1;
429 if(truparticle[0]!=assparticle[0]) nmisidentified0+=1;
430 if(truparticle[1]!=assparticle[1]) nmisidentified1+=1;
431 if(truparticle[2]!=assparticle[2]) nmisidentified2+=1;
432 if(truparticle[3]!=assparticle[3]) nmisidentified3+=1;
433 if(truparticle[4]!=assparticle[4]) nmisidentified4+=1;
434 if(truparticle[5]!=assparticle[5]) nmisidentified5+=1;
435 if(truparticle[6]!=assparticle[6]) nmisidentified6+=1;
436 if(truparticle[7]!=assparticle[7]) nmisidentified7+=1;
437 if(truparticle[8]!=assparticle[8]) nmisidentified8+=1;
438 if(truparticle[9]!=assparticle[9]) nmisidentified9+=1;
439 // filling histos
440 htzerobest->Fill(t0best);
441 hchibest->Fill(chisquare);
442 Double_t dblechisquare=(Double_t)chisquare;
443 Float_t confLevel=(Float_t)TMath::Prob(dblechisquare,9); // ndf 10-1=9
444 hchibestconflevel->Fill(confLevel);
445 itimes++;
446 if(strstr(option,"all")){
0e46b9ae 447 AliInfo(Form("True Assignment %d %d %d %d %d %d %d %d %d %d", truparticle[0], truparticle[1], truparticle[2], truparticle[3], truparticle[4], truparticle[5], truparticle[6], truparticle[7], truparticle[8], truparticle[9]));
448 AliInfo(Form("Best Assignment %d %d %d %d %d %d %d %d %d %d", assparticle[0], assparticle[1], assparticle[2], assparticle[3], assparticle[4], assparticle[5], assparticle[6], assparticle[7], assparticle[8], assparticle[9]));
449 AliInfo(Form("Minimum ChiSquare for current set %d ", chisquare));
450 AliInfo(Form("Confidence Level (Minimum ChiSquare) %d", confLevel));
d599d913 451 }
452 if (strstr(option,"visual") && itimes && (itimes%kUPDATE) == 0) {
453 if (itimes == kUPDATE){
454 c1->cd();
455 htzerobest->Draw();
456 c2->cd();
457 hchibest->Draw();
458 c3->cd();
459 hchibestconflevel->Draw();
460 }
461 c1->Modified();
462 c1->Update();
463 c2->Modified();
464 c2->Update();
465 c3->Modified();
466 c3->Update();
467 if (gSystem->ProcessEvents())
468 break;
469 }
470 chisquare=999.;
471 t0best=999.;
472
473 } // end for the current set. close if(istop==5)
474 } // end condition on ipartold
475 } // end loop on hits for the current track
476 if(istop>=10) break;
477 } // end loop on ntracks
478 } //event loop
479
480 if(strstr(option,"all")){
481 nmisidentified=(nmisidentified0+nmisidentified1+nmisidentified2+nmisidentified3+nmisidentified4+nmisidentified5+nmisidentified6+nmisidentified7+nmisidentified8+nmisidentified9);
0e46b9ae 482 AliInfo(Form("total number of tracks token into account %i", 10*5*fNevents));
d599d913 483 Float_t badPercentage=100.*(Float_t)nmisidentified/(10*5*fNevents);
0e46b9ae 484 AliInfo(Form("total misidentified %i (%d %) ", nmisidentified, badPercentage));
485 AliInfo(Form("Total Number of set token into account %i", 5*fNevents));
d599d913 486 Float_t goodSetPercentage=100.*(Float_t)ngood/(5*fNevents);
0e46b9ae 487 AliInfo(Form("Number of set with no misidentified tracks %i (%d %)", ngood, goodSetPercentage));
d599d913 488 }
489
490 // free used memory for canvas
491 delete c1; c1=0;
492 delete c2; c2=0;
493 delete c3; c3=0;
494
495 // generating output filename only if not previously specified using SetTZeroFile
496 char outFileName[70];
497 strcpy(outFileName,"ht010tr120ps"); // global time resolution has to be converted from Int_t to char
498 // in order to have in the output filename this parameter
499 strcat(outFileName,fHeadersFile);
500
501 if(fT0File.IsNull()) fT0File=outFileName;
502
503 TFile* houtfile = new TFile(fT0File,"recreate");
504 houtfile->cd();
505 htzerobest->Write(0,TObject::kOverwrite);
506 hchibest->Write(0,TObject::kOverwrite);
507 hchibestconflevel->Write(0,TObject::kOverwrite);
508 houtfile->Close();
509
510
511 if(strstr(option,"tim") || strstr(option,"all")){
512 gBenchmark->Stop("TOFT0");
0e46b9ae 513 AliInfo("AliTOFT0:");
514 /*
d599d913 515 cout << " took " << gBenchmark->GetCpuTime("TOFT0") << " seconds in order to calculate T0 "
0e46b9ae 516 << gBenchmark->GetCpuTime("TOFT0")/fNevents << " seconds per event " << endl ;
517 */
518 gBenchmark->Print("TOFT0");
d599d913 519 }
520}
521
522//__________________________________________________________________
7aeeaf38 523void AliTOFT0::SetTZeroFile(char * file )
524{
525 //
526 //
527 //
528 printf("Destination file : %s \n", file) ;
d599d913 529 fT0File=file;
7aeeaf38 530
d599d913 531}
7aeeaf38 532
d599d913 533//__________________________________________________________________
5c016a7b 534void AliTOFT0::Print(Option_t* /*option*/)const
d599d913 535{
7aeeaf38 536 //
537 //
538 //
539 printf("------------------- %s -------------\n", GetName()) ;
d599d913 540 if(!fT0File.IsNull())
7aeeaf38 541 printf(" Writing T0 Distribution to file %s \n",(char*) fT0File.Data());
542
d599d913 543}
544
545//__________________________________________________________________
546Bool_t AliTOFT0::operator==( AliTOFT0 const &tzero )const
547{
7aeeaf38 548 //
549 // Equal operator
d599d913 550 //
551
552 if( (fTimeResolution==tzero.fTimeResolution)&&(fLowerMomBound==tzero.fLowerMomBound)&&(fUpperMomBound==tzero.fUpperMomBound))
553 return kTRUE ;
554 else
555 return kFALSE ;
556}