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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()); |
6c18f84e | 164 | if( nent<=500) { |
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()); |
6c18f84e | 196 | if( nent<=500 ) { |
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 | } | |
6c18f84e | 207 | if(nent > 500 ) { //!!!!!!!!!! |
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 | |
249 | // 1-24 no histograms with time diff for more than okdiff channenls | |
250 | // 100 >3 histos are empty | |
251 | // - 1 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING | |
252 | // -2 low statistics in few channels; for these channels OCDB value will be written back WARNING | |
253 | // for cfd | |
254 | // 200 >3 histos are empty | |
255 | // -11 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING | |
256 | // -22 low statistics in few channels; for these channels OCDB value will be written back WARNING | |
257 | // | |
dd92f5b8 | 258 | // compute offline equalized time |
1e7108ce | 259 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 260 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 261 | Int_t nent=0; |
32d3e409 | 262 | Int_t ok = 0; |
263 | Int_t okdiff=0; | |
264 | Int_t okcfd=0; | |
bb54f817 | 265 | TH1F *cfddiff = NULL; |
266 | TH1F *cfdtime = NULL; | |
61bd03f6 | 267 | TObjArray * tzeroObj = NULL; |
bb54f817 | 268 | |
c4ba15c3 | 269 | gFile = TFile::Open(filePhys); |
1e7108ce | 270 | if(!gFile) { |
271 | AliError("No input PHYS data found "); | |
32d3e409 | 272 | ok = 1000; |
612737bb | 273 | return ok; |
1e7108ce | 274 | } |
275 | else | |
276 | { | |
e691fec9 | 277 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
61bd03f6 | 278 | // TDirectory *dr = (TDirectory*) gFile->Get("T0Calib"); |
279 | tzeroObj = dynamic_cast<TObjArray*>(gFile->Get("T0Calib")); | |
612737bb | 280 | for (Int_t i=0; i<24; i++) |
1e7108ce | 281 | { |
61bd03f6 | 282 | if (i != badpmt) { |
283 | if(tzeroObj) { | |
284 | cfddiff = (TH1F*) tzeroObj->FindObject(Form("CFD1minCFD%d",i+1)); | |
285 | cfdtime = (TH1F*)tzeroObj->FindObject(Form("CFD%d",i+1)); | |
bb54f817 | 286 | } |
287 | else | |
288 | { | |
dd92f5b8 | 289 | cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1)); |
18086258 | 290 | cfdtime = (TH1F*)gFile->Get(Form("CFD%d",i+1)); |
291 | ||
bb54f817 | 292 | } |
18086258 | 293 | if(!cfddiff ) { |
32d3e409 | 294 | AliWarning(Form("no histograms collected by pass0 for diff channel %i", i)); |
295 | okdiff++; | |
296 | if(okdiff<4) { | |
297 | meandiff = timecdb[i]; | |
298 | sigmadiff = 0; | |
299 | ok = -1; | |
300 | } | |
301 | else | |
302 | return 100+okdiff; | |
dd92f5b8 | 303 | } |
304 | if(cfddiff) { | |
18086258 | 305 | nent = Int_t(cfddiff->GetEntries()); |
32d3e409 | 306 | if ( nent == 0) { |
307 | okdiff++; | |
308 | if(okdiff<4) { | |
309 | meandiff = timecdb[i]; | |
310 | sigmadiff = 0; | |
311 | ok = - 1; | |
312 | } | |
313 | else | |
314 | return 100; | |
315 | } | |
316 | if(nent<100 && nent>0) { //!!!!! | |
317 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); | |
318 | ok=-2; | |
319 | meandiff = timecdb[i]; | |
320 | sigmadiff = 0; | |
f824d160 | 321 | } |
32d3e409 | 322 | if(nent>100 ) { //!!!!! |
e691fec9 | 323 | { |
32d3e409 | 324 | if(cfddiff->GetRMS()>1.5 ) |
325 | GetMeanAndSigma(cfddiff, meandiff, sigmadiff); | |
326 | if(cfddiff->GetRMS()<=1.5) | |
327 | { | |
328 | meandiff = cfddiff->GetMean(); | |
329 | sigmadiff = cfddiff->GetRMS(); | |
330 | } | |
331 | Int_t maxBin = cfddiff->GetMaximumBin(); | |
332 | Double_t meanEstimate = cfddiff->GetBinCenter( maxBin); | |
333 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
18086258 | 334 | } |
32d3e409 | 335 | } |
336 | } | |
18086258 | 337 | if(!cfdtime ) { |
338 | AliWarning(Form("no histograms collected by pass0 for time channel %i", i)); | |
db082d76 | 339 | meancfdtime = cfdvalue[i]; |
32d3e409 | 340 | okcfd++; |
341 | if(okcfd<4) { | |
342 | meancfdtime = cfdvalue[i]; | |
343 | ok = -11; | |
344 | } | |
345 | else { | |
346 | AliError(Form("no histograms collected by pass0 for time %i channels ", okcfd)); | |
347 | return 200; | |
348 | } | |
18086258 | 349 | } |
350 | if(cfdtime) { | |
351 | nent = Int_t(cfdtime->GetEntries()); | |
32d3e409 | 352 | if (nent == 0 || |
353 | (cfdtime->GetRMS() == 0 || cfdtime->GetMean() ==0 ) ) | |
354 | { | |
355 | okcfd++; | |
356 | if(okcfd<4) { | |
357 | meancfdtime = cfdvalue[i]; | |
358 | ok = -11; | |
359 | printf("!!!!bad data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
360 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
361 | } | |
362 | else | |
363 | { | |
364 | printf("!!!!fatal data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
365 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
366 | AliError(Form(" histograms collected by pass0 for time %i channels are empty", okcfd)); | |
367 | return 200; | |
368 | } | |
369 | } | |
370 | ||
371 | ||
6c18f84e | 372 | if(nent<500 && nent>0 ) |
32d3e409 | 373 | { |
374 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); | |
375 | if(okcfd<4) { | |
376 | meancfdtime = cfdvalue[i]; | |
377 | ok = -22; | |
378 | printf("!!!!low statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
379 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
380 | } | |
381 | else { | |
382 | printf("!!!!low fatal statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
383 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
384 | ||
385 | AliError(Form(" Not enouph data in PMT in CFD peak %i in channels ", okcfd)); | |
386 | return 200; | |
387 | } | |
388 | ||
389 | } | |
390 | ||
6c18f84e | 391 | if( nent>500 && cfdtime->GetRMS() != 0 ) { //!!!!! |
18086258 | 392 | if(cfdtime->GetRMS()>1.5 ) |
393 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); | |
394 | if(cfdtime->GetRMS()<=1.5) | |
395 | { | |
396 | meancfdtime = cfdtime->GetMean(); | |
397 | sigmacfdtime=cfdtime->GetRMS(); | |
32d3e409 | 398 | } |
657abde7 | 399 | Int_t maxBin = cfdtime->GetMaximumBin(); |
400 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
401 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 402 | } |
eef60a6a | 403 | } |
bb54f817 | 404 | |
b9dd81a7 | 405 | SetTimeEq(i,meandiff); |
1e7108ce | 406 | SetTimeEqRms(i,sigmadiff); |
18086258 | 407 | SetCFDvalue(i,0, meancfdtime ); |
32d3e409 | 408 | printf(" pmt %i diff %f sigma %f meancfdtime %f cdbtime %f \n",i, meandiff, sigmadiff, meancfdtime, fCFDvalue[i][0]); |
bb54f817 | 409 | if (cfddiff) cfddiff->Reset(); |
410 | if (cfdtime) cfdtime->Reset(); | |
b5e0299c | 411 | } //bad pmt |
61bd03f6 | 412 | } |
6318dd46 | 413 | gFile->Close(); |
414 | delete gFile; | |
6318dd46 | 415 | } |
02888358 | 416 | return ok; |
e691fec9 | 417 | } |
a2ad8166 | 418 | |
1e7108ce | 419 | //________________________________________________________________________ |
420 | void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) { | |
612737bb | 421 | |
6c18f84e | 422 | const double window = 5.; //fit window |
612737bb | 423 | |
1e7108ce | 424 | double meanEstimate, sigmaEstimate; |
425 | int maxBin; | |
426 | maxBin = hist->GetMaximumBin(); //position of maximum | |
427 | meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum | |
6c18f84e | 428 | sigmaEstimate = hist->GetRMS(); |
429 | // sigmaEstimate = 10; | |
1e7108ce | 430 | TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate); |
431 | fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate); | |
6c18f84e | 432 | hist->Fit("fit","R",""); |
1e7108ce | 433 | |
434 | mean = (Float_t) fit->GetParameter(1); | |
435 | sigma = (Float_t) fit->GetParameter(2); | |
436 | ||
437 | delete fit; | |
438 | } | |
439 | ||
8bfd9a3e | 440 |