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18086258 | 1 | |
a2ad8166 | 2 | /************************************************************************** |
3 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * * | |
5 | * Author: The ALICE Off-line Project. * | |
6 | * Contributors are mentioned in the code where appropriate. * | |
7 | * * | |
8 | * Permission to use, copy, modify and distribute this software and its * | |
9 | * documentation strictly for non-commercial purposes is hereby granted * | |
10 | * without fee, provided that the above copyright notice appears in all * | |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | **************************************************************************/ | |
16 | ||
17 | /* $Id$ */ | |
18 | ||
19 | /////////////////////////////////////////////////////////////////////////////// | |
20 | // // | |
59b8a5fc | 21 | // class for T0 calibration TM-AC-AM_6-02-2006 |
22 | // equalize time shift for each time CFD channel | |
a2ad8166 | 23 | // // |
24 | /////////////////////////////////////////////////////////////////////////////// | |
25 | ||
26 | #include "AliT0CalibTimeEq.h" | |
e47b556f | 27 | #include "AliLog.h" |
a2ad8166 | 28 | #include <TFile.h> |
29 | #include <TMath.h> | |
30 | #include <TF1.h> | |
a2ad8166 | 31 | #include <TSpectrum.h> |
a2ad8166 | 32 | #include <TProfile.h> |
c61a7285 | 33 | #include <iostream> |
a2ad8166 | 34 | |
35 | ClassImp(AliT0CalibTimeEq) | |
36 | ||
37 | //________________________________________________________________ | |
eef60a6a | 38 | AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed(), |
39 | fMeanVertex(0), | |
40 | fRmsVertex(0) | |
a2ad8166 | 41 | { |
42 | // | |
57b90263 | 43 | for(Int_t i=0; i<24; i++) { |
44 | fTimeEq[i] = 0; // Time Equalized for OCDB | |
63c69eb3 | 45 | fTimeEqRms[i] = -1; // RMS of Time Equalized for OCDB |
57b90263 | 46 | for (Int_t ih=0; ih<5; ih++) fCFDvalue[i][ih] = 0; |
47 | } | |
a2ad8166 | 48 | } |
49 | ||
50 | //________________________________________________________________ | |
eef60a6a | 51 | AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed(), |
52 | fMeanVertex(0), | |
53 | fRmsVertex(0) | |
a2ad8166 | 54 | { |
59b8a5fc | 55 | //constructor |
56 | ||
a2ad8166 | 57 | TString namst = "Calib_"; |
58 | namst += name; | |
59 | SetName(namst.Data()); | |
60 | SetTitle(namst.Data()); | |
57b90263 | 61 | for(Int_t i=0; i<24; i++) { |
62 | fTimeEq[i] = 0; // Time Equalized for OCDB | |
63c69eb3 | 63 | fTimeEqRms[i] = -1; // RMS of Time Equalized for OCDB |
57b90263 | 64 | for (Int_t ih=0; ih<5; ih++) fCFDvalue[i][ih] = 0; |
65 | } | |
a2ad8166 | 66 | } |
67 | ||
68 | //________________________________________________________________ | |
eef60a6a | 69 | AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda), |
70 | fMeanVertex(0), | |
71 | fRmsVertex(0) | |
a2ad8166 | 72 | { |
73 | // copy constructor | |
74 | SetName(calibda.GetName()); | |
75 | SetTitle(calibda.GetName()); | |
57b90263 | 76 | ((AliT0CalibTimeEq &) calibda).Copy(*this); |
a2ad8166 | 77 | |
78 | } | |
79 | ||
80 | //________________________________________________________________ | |
81 | AliT0CalibTimeEq &AliT0CalibTimeEq::operator =(const AliT0CalibTimeEq& calibda) | |
82 | { | |
83 | // assignment operator | |
84 | SetName(calibda.GetName()); | |
85 | SetTitle(calibda.GetName()); | |
86 | ||
57b90263 | 87 | if (this != &calibda) (( AliT0CalibTimeEq &) calibda).Copy(*this); |
a2ad8166 | 88 | return *this; |
89 | } | |
90 | ||
91 | //________________________________________________________________ | |
92 | AliT0CalibTimeEq::~AliT0CalibTimeEq() | |
93 | { | |
94 | // | |
59b8a5fc | 95 | // destrictor |
a2ad8166 | 96 | } |
97 | //________________________________________________________________ | |
98 | void AliT0CalibTimeEq::Reset() | |
99 | { | |
59b8a5fc | 100 | //reset values |
101 | ||
a2ad8166 | 102 | memset(fCFDvalue,0,120*sizeof(Float_t)); |
103 | memset(fTimeEq,1,24*sizeof(Float_t)); | |
104 | } | |
105 | ||
106 | ||
107 | //________________________________________________________________ | |
108 | void AliT0CalibTimeEq::Print(Option_t*) const | |
109 | { | |
59b8a5fc | 110 | // print time values |
a2ad8166 | 111 | |
112 | printf("\n ---- PM Arrays ----\n\n"); | |
113 | printf(" Time delay CFD \n"); | |
2a1ccb90 | 114 | for (Int_t i=0; i<24; i++) |
115 | printf(" CFD %f diff %f \n",fCFDvalue[i][0],fTimeEq[i]); | |
a2ad8166 | 116 | } |
117 | ||
118 | ||
119 | //________________________________________________________________ | |
02888358 | 120 | Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys) |
a2ad8166 | 121 | { |
59b8a5fc | 122 | // compute online equalized time |
1e7108ce | 123 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 124 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
c4ba15c3 | 125 | Double_t rmsver=0; |
b5e0299c | 126 | Int_t nent=0; |
32d3e409 | 127 | Int_t okdiff=0; |
128 | Int_t oktime=0; | |
02888358 | 129 | Bool_t ok=false; |
61bd03f6 | 130 | // |
c2337900 | 131 | gFile = TFile::Open(filePhys); |
370867d2 | 132 | if(!gFile) { |
6318dd46 | 133 | AliError("No input PHYS data found "); |
134 | } | |
135 | else | |
136 | { | |
02888358 | 137 | ok=true; |
6318dd46 | 138 | for (Int_t i=0; i<24; i++) |
139 | { | |
e691fec9 | 140 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
61bd03f6 | 141 | TH1F *cfd = (TH1F*) gFile->Get(Form("CFD1minCFD%d",i+1)); |
1e7108ce | 142 | TH1F *cfdtime = (TH1F*) gFile->Get(Form("CFD%d",i+1)); |
dd92f5b8 | 143 | if(!cfd) { |
144 | AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i)); | |
32d3e409 | 145 | okdiff++; |
146 | if(okdiff<4) { | |
147 | meandiff = 0; | |
148 | sigmadiff = 0; | |
149 | } | |
150 | else | |
151 | ok = false; | |
dd92f5b8 | 152 | } |
153 | if(!cfdtime) { | |
154 | AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i)); | |
32d3e409 | 155 | oktime++; |
156 | if(oktime<4) { | |
157 | meancfdtime = 0; | |
158 | } | |
159 | else | |
160 | ok = false; | |
dd92f5b8 | 161 | } |
eef60a6a | 162 | if(cfd) { |
e691fec9 | 163 | nent = Int_t(cfd->GetEntries()); |
11c0962a | 164 | if( nent<=50) { |
32d3e409 | 165 | okdiff++; |
2a1ccb90 | 166 | // printf(" pmt %i nent %i cfd->GetRMS() %f cfd->GetMean() %f \n", |
167 | // i, nent, cfd->GetRMS(), cfd->GetMean() ); | |
32d3e409 | 168 | if(okdiff<4) { |
169 | meandiff = 0; | |
170 | sigmadiff = 0; | |
171 | } | |
172 | else | |
173 | { | |
2a1ccb90 | 174 | // printf(" OK fsle:: pmt %i nent %i cfd->GetRMS() %f cfd->GetMean() %f \n", |
175 | // i, nent, cfd->GetRMS(), cfd->GetMean() ); | |
32d3e409 | 176 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); |
177 | ok = false; | |
178 | } | |
179 | } | |
18086258 | 180 | if(nent>50) { |
612737bb | 181 | if(cfd->GetRMS()>1.5 ) |
e691fec9 | 182 | GetMeanAndSigma(cfd, meandiff, sigmadiff); |
183 | if(cfd->GetRMS()<=1.5) | |
184 | { | |
185 | meandiff = cfd->GetMean(); | |
186 | sigmadiff=cfd->GetRMS(); | |
187 | } | |
dd92f5b8 | 188 | Int_t maxBin = cfd->GetMaximumBin(); |
189 | Double_t meanEstimate = cfd->GetBinCenter( maxBin); | |
190 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
1e7108ce | 191 | } |
1e7108ce | 192 | } |
32d3e409 | 193 | |
1e7108ce | 194 | if(cfdtime) { |
e691fec9 | 195 | nent = Int_t(cfdtime->GetEntries()); |
11c0962a | 196 | if( nent<=50 ) { |
32d3e409 | 197 | oktime++; |
198 | if(oktime<4) { | |
199 | meancfdtime = 0; | |
200 | } | |
201 | else | |
202 | { | |
203 | AliWarning(Form(" Not enouph data in PMT %i: %i ", i, nent)); | |
204 | ok = false; | |
205 | } | |
206 | } | |
11c0962a | 207 | if(nent > 50 ) { //!!!!!!!!!! |
b5e0299c | 208 | if(cfdtime->GetRMS()>1.5 ) |
e691fec9 | 209 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); |
210 | if(cfdtime->GetRMS()<=1.5) | |
211 | { | |
2a1ccb90 | 212 | if(cfdtime->GetRMS()==0 ||cfdtime->GetMean()==0 ) { |
213 | ok = false; | |
214 | } | |
e691fec9 | 215 | meancfdtime = cfdtime->GetMean(); |
216 | sigmacfdtime = cfdtime->GetRMS(); | |
217 | } | |
dd92f5b8 | 218 | Int_t maxBin = cfdtime->GetMaximumBin(); |
219 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
220 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 221 | } |
222 | } | |
1e7108ce | 223 | SetTimeEq(i,meandiff); |
224 | SetTimeEqRms(i,sigmadiff); | |
225 | SetCFDvalue(i,0,meancfdtime); | |
1e7108ce | 226 | if (cfd) delete cfd; |
227 | if (cfdtime) delete cfdtime; | |
1e7108ce | 228 | } |
61bd03f6 | 229 | TH1F *ver = (TH1F*) gFile->Get("hVertex") ; |
1e7108ce | 230 | if(ver) { |
231 | meanver = ver->GetMean(); | |
232 | rmsver = ver->GetRMS(); | |
233 | } | |
234 | SetMeanVertex(meanver); | |
235 | SetRmsVertex(rmsver); | |
1e7108ce | 236 | gFile->Close(); |
237 | delete gFile; | |
1e7108ce | 238 | } |
239 | return ok; | |
240 | } | |
241 | ||
242 | //________________________________________________________________ | |
61bd03f6 | 243 | Int_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Float_t *cfdvalue, Int_t badpmt) |
1e7108ce | 244 | { |
32d3e409 | 245 | // fStatus implementation: |
246 | //ok means | |
247 | // 1000 - can not open file | |
248 | // for timediff | |
11c0962a | 249 | // 20 >3 histos are empty |
250 | // -11 low statistics oe empty histos in few channels; for these channels OCDB value will be written back WARNING | |
32d3e409 | 251 | // for cfd |
11c0962a | 252 | // 20 >2 histos are empty or with low statistic |
253 | // -11 if less 3 channels are empty or low statistics in few channels ;for these channels OCDB value will be written back WARNING | |
32d3e409 | 254 | // |
dd92f5b8 | 255 | // compute offline equalized time |
1e7108ce | 256 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 257 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 258 | Int_t nent=0; |
32d3e409 | 259 | Int_t ok = 0; |
260 | Int_t okdiff=0; | |
261 | Int_t okcfd=0; | |
bb54f817 | 262 | TH1F *cfddiff = NULL; |
263 | TH1F *cfdtime = NULL; | |
61bd03f6 | 264 | TObjArray * tzeroObj = NULL; |
bb54f817 | 265 | |
c4ba15c3 | 266 | gFile = TFile::Open(filePhys); |
1e7108ce | 267 | if(!gFile) { |
268 | AliError("No input PHYS data found "); | |
32d3e409 | 269 | ok = 1000; |
612737bb | 270 | return ok; |
1e7108ce | 271 | } |
272 | else | |
273 | { | |
e691fec9 | 274 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
61bd03f6 | 275 | // TDirectory *dr = (TDirectory*) gFile->Get("T0Calib"); |
276 | tzeroObj = dynamic_cast<TObjArray*>(gFile->Get("T0Calib")); | |
612737bb | 277 | for (Int_t i=0; i<24; i++) |
1e7108ce | 278 | { |
61bd03f6 | 279 | if (i != badpmt) { |
280 | if(tzeroObj) { | |
281 | cfddiff = (TH1F*) tzeroObj->FindObject(Form("CFD1minCFD%d",i+1)); | |
282 | cfdtime = (TH1F*)tzeroObj->FindObject(Form("CFD%d",i+1)); | |
bb54f817 | 283 | } |
284 | else | |
285 | { | |
dd92f5b8 | 286 | cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1)); |
18086258 | 287 | cfdtime = (TH1F*)gFile->Get(Form("CFD%d",i+1)); |
288 | ||
bb54f817 | 289 | } |
18086258 | 290 | if(!cfddiff ) { |
11c0962a | 291 | AliWarning(Form("no histograms collected by pass0 for diff channel %i\n", i)); |
32d3e409 | 292 | meandiff = timecdb[i]; |
293 | sigmadiff = 0; | |
32d3e409 | 294 | } |
dd92f5b8 | 295 | if(cfddiff) { |
18086258 | 296 | nent = Int_t(cfddiff->GetEntries()); |
11c0962a | 297 | if ( nent == 0 ) { |
298 | AliWarning(Form("no entries in histogram for diff channel %i\n", i)); | |
299 | meandiff = timecdb[i]; | |
300 | sigmadiff = 0; | |
301 | } | |
302 | if(nent<=100 && nent>0) { //!!!!! | |
303 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i \n", i, nent)); | |
32d3e409 | 304 | meandiff = timecdb[i]; |
305 | sigmadiff = 0; | |
f824d160 | 306 | } |
11c0962a | 307 | if(nent>=100 ) { //!!!!! |
e691fec9 | 308 | { |
32d3e409 | 309 | if(cfddiff->GetRMS()>1.5 ) |
310 | GetMeanAndSigma(cfddiff, meandiff, sigmadiff); | |
311 | if(cfddiff->GetRMS()<=1.5) | |
312 | { | |
313 | meandiff = cfddiff->GetMean(); | |
314 | sigmadiff = cfddiff->GetRMS(); | |
315 | } | |
316 | Int_t maxBin = cfddiff->GetMaximumBin(); | |
317 | Double_t meanEstimate = cfddiff->GetBinCenter( maxBin); | |
318 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
18086258 | 319 | } |
32d3e409 | 320 | } |
321 | } | |
18086258 | 322 | if(!cfdtime ) { |
323 | AliWarning(Form("no histograms collected by pass0 for time channel %i", i)); | |
db082d76 | 324 | meancfdtime = cfdvalue[i]; |
32d3e409 | 325 | okcfd++; |
11c0962a | 326 | if(okcfd<2) { |
32d3e409 | 327 | meancfdtime = cfdvalue[i]; |
11c0962a | 328 | // ok = -11; |
32d3e409 | 329 | } |
330 | else { | |
331 | AliError(Form("no histograms collected by pass0 for time %i channels ", okcfd)); | |
11c0962a | 332 | return 20; |
32d3e409 | 333 | } |
18086258 | 334 | } |
335 | if(cfdtime) { | |
336 | nent = Int_t(cfdtime->GetEntries()); | |
32d3e409 | 337 | if (nent == 0 || |
338 | (cfdtime->GetRMS() == 0 || cfdtime->GetMean() ==0 ) ) | |
339 | { | |
340 | okcfd++; | |
11c0962a | 341 | if(okcfd<2) { |
32d3e409 | 342 | meancfdtime = cfdvalue[i]; |
11c0962a | 343 | // ok = -11; |
32d3e409 | 344 | printf("!!!!bad data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", |
11c0962a | 345 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), cfdvalue[i] ); |
32d3e409 | 346 | } |
347 | else | |
348 | { | |
349 | printf("!!!!fatal data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
11c0962a | 350 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), cfdvalue[i]); |
32d3e409 | 351 | AliError(Form(" histograms collected by pass0 for time %i channels are empty", okcfd)); |
11c0962a | 352 | return 20; |
32d3e409 | 353 | } |
354 | } | |
355 | ||
356 | ||
11c0962a | 357 | if(nent<=100 && nent>0 ) |
32d3e409 | 358 | { |
11c0962a | 359 | okcfd++; |
32d3e409 | 360 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); |
32d3e409 | 361 | meancfdtime = cfdvalue[i]; |
11c0962a | 362 | ok = -11; |
32d3e409 | 363 | printf("!!!!low statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", |
11c0962a | 364 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), cfdvalue[i]); |
365 | if (okcfd>3) return ok; | |
32d3e409 | 366 | } |
11c0962a | 367 | |
368 | if( nent>100 ) { //!!!!! | |
18086258 | 369 | if(cfdtime->GetRMS()>1.5 ) |
370 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); | |
371 | if(cfdtime->GetRMS()<=1.5) | |
372 | { | |
373 | meancfdtime = cfdtime->GetMean(); | |
374 | sigmacfdtime=cfdtime->GetRMS(); | |
32d3e409 | 375 | } |
657abde7 | 376 | Int_t maxBin = cfdtime->GetMaximumBin(); |
377 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
378 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 379 | } |
eef60a6a | 380 | } |
bb54f817 | 381 | |
b9dd81a7 | 382 | SetTimeEq(i,meandiff); |
1e7108ce | 383 | SetTimeEqRms(i,sigmadiff); |
18086258 | 384 | SetCFDvalue(i,0, meancfdtime ); |
bb54f817 | 385 | if (cfddiff) cfddiff->Reset(); |
386 | if (cfdtime) cfdtime->Reset(); | |
b5e0299c | 387 | } //bad pmt |
61bd03f6 | 388 | } |
6318dd46 | 389 | gFile->Close(); |
390 | delete gFile; | |
6318dd46 | 391 | } |
02888358 | 392 | return ok; |
e691fec9 | 393 | } |
a2ad8166 | 394 | |
1e7108ce | 395 | //________________________________________________________________________ |
396 | void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) { | |
612737bb | 397 | |
6c18f84e | 398 | const double window = 5.; //fit window |
1e7108ce | 399 | double meanEstimate, sigmaEstimate; |
400 | int maxBin; | |
401 | maxBin = hist->GetMaximumBin(); //position of maximum | |
402 | meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum | |
6c18f84e | 403 | sigmaEstimate = hist->GetRMS(); |
404 | // sigmaEstimate = 10; | |
1e7108ce | 405 | TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate); |
406 | fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate); | |
11c0962a | 407 | hist->Fit("fit","QR",""); |
1e7108ce | 408 | |
409 | mean = (Float_t) fit->GetParameter(1); | |
410 | sigma = (Float_t) fit->GetParameter(2); | |
411 | ||
412 | delete fit; | |
413 | } | |
414 | ||
8bfd9a3e | 415 |