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