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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 | // | |
b95e8d87 | 43 | |
a2ad8166 | 44 | } |
45 | ||
46 | //________________________________________________________________ | |
eef60a6a | 47 | AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed(), |
48 | fMeanVertex(0), | |
49 | fRmsVertex(0) | |
a2ad8166 | 50 | { |
59b8a5fc | 51 | //constructor |
52 | ||
a2ad8166 | 53 | TString namst = "Calib_"; |
54 | namst += name; | |
55 | SetName(namst.Data()); | |
56 | SetTitle(namst.Data()); | |
57 | } | |
58 | ||
59 | //________________________________________________________________ | |
eef60a6a | 60 | AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda), |
61 | fMeanVertex(0), | |
62 | fRmsVertex(0) | |
a2ad8166 | 63 | { |
64 | // copy constructor | |
65 | SetName(calibda.GetName()); | |
66 | SetTitle(calibda.GetName()); | |
67 | ||
68 | ||
69 | } | |
70 | ||
71 | //________________________________________________________________ | |
72 | AliT0CalibTimeEq &AliT0CalibTimeEq::operator =(const AliT0CalibTimeEq& calibda) | |
73 | { | |
74 | // assignment operator | |
75 | SetName(calibda.GetName()); | |
76 | SetTitle(calibda.GetName()); | |
77 | ||
78 | return *this; | |
79 | } | |
80 | ||
81 | //________________________________________________________________ | |
82 | AliT0CalibTimeEq::~AliT0CalibTimeEq() | |
83 | { | |
84 | // | |
59b8a5fc | 85 | // destrictor |
a2ad8166 | 86 | } |
87 | //________________________________________________________________ | |
88 | void AliT0CalibTimeEq::Reset() | |
89 | { | |
59b8a5fc | 90 | //reset values |
91 | ||
a2ad8166 | 92 | memset(fCFDvalue,0,120*sizeof(Float_t)); |
93 | memset(fTimeEq,1,24*sizeof(Float_t)); | |
94 | } | |
95 | ||
96 | ||
97 | //________________________________________________________________ | |
98 | void AliT0CalibTimeEq::Print(Option_t*) const | |
99 | { | |
59b8a5fc | 100 | // print time values |
a2ad8166 | 101 | |
102 | printf("\n ---- PM Arrays ----\n\n"); | |
103 | printf(" Time delay CFD \n"); | |
2a1ccb90 | 104 | for (Int_t i=0; i<24; i++) |
105 | printf(" CFD %f diff %f \n",fCFDvalue[i][0],fTimeEq[i]); | |
a2ad8166 | 106 | } |
107 | ||
108 | ||
109 | //________________________________________________________________ | |
02888358 | 110 | Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys) |
a2ad8166 | 111 | { |
59b8a5fc | 112 | // compute online equalized time |
1e7108ce | 113 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 114 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
c4ba15c3 | 115 | Double_t rmsver=0; |
b5e0299c | 116 | Int_t nent=0; |
32d3e409 | 117 | Int_t okdiff=0; |
118 | Int_t oktime=0; | |
02888358 | 119 | Bool_t ok=false; |
61bd03f6 | 120 | // |
c2337900 | 121 | gFile = TFile::Open(filePhys); |
370867d2 | 122 | if(!gFile) { |
6318dd46 | 123 | AliError("No input PHYS data found "); |
124 | } | |
125 | else | |
126 | { | |
02888358 | 127 | ok=true; |
6318dd46 | 128 | for (Int_t i=0; i<24; i++) |
129 | { | |
e691fec9 | 130 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
61bd03f6 | 131 | TH1F *cfd = (TH1F*) gFile->Get(Form("CFD1minCFD%d",i+1)); |
1e7108ce | 132 | TH1F *cfdtime = (TH1F*) gFile->Get(Form("CFD%d",i+1)); |
dd92f5b8 | 133 | if(!cfd) { |
134 | AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i)); | |
32d3e409 | 135 | okdiff++; |
136 | if(okdiff<4) { | |
137 | meandiff = 0; | |
138 | sigmadiff = 0; | |
139 | } | |
140 | else | |
141 | ok = false; | |
dd92f5b8 | 142 | } |
143 | if(!cfdtime) { | |
144 | AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i)); | |
32d3e409 | 145 | oktime++; |
146 | if(oktime<4) { | |
147 | meancfdtime = 0; | |
148 | } | |
149 | else | |
150 | ok = false; | |
dd92f5b8 | 151 | } |
eef60a6a | 152 | if(cfd) { |
e691fec9 | 153 | nent = Int_t(cfd->GetEntries()); |
2a1ccb90 | 154 | if( nent<=50) { |
32d3e409 | 155 | okdiff++; |
2a1ccb90 | 156 | // printf(" pmt %i nent %i cfd->GetRMS() %f cfd->GetMean() %f \n", |
157 | // i, nent, cfd->GetRMS(), cfd->GetMean() ); | |
32d3e409 | 158 | if(okdiff<4) { |
159 | meandiff = 0; | |
160 | sigmadiff = 0; | |
161 | } | |
162 | else | |
163 | { | |
2a1ccb90 | 164 | // printf(" OK fsle:: pmt %i nent %i cfd->GetRMS() %f cfd->GetMean() %f \n", |
165 | // i, nent, cfd->GetRMS(), cfd->GetMean() ); | |
32d3e409 | 166 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); |
167 | ok = false; | |
168 | } | |
169 | } | |
18086258 | 170 | if(nent>50) { |
612737bb | 171 | if(cfd->GetRMS()>1.5 ) |
e691fec9 | 172 | GetMeanAndSigma(cfd, meandiff, sigmadiff); |
173 | if(cfd->GetRMS()<=1.5) | |
174 | { | |
175 | meandiff = cfd->GetMean(); | |
176 | sigmadiff=cfd->GetRMS(); | |
177 | } | |
dd92f5b8 | 178 | Int_t maxBin = cfd->GetMaximumBin(); |
179 | Double_t meanEstimate = cfd->GetBinCenter( maxBin); | |
180 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
1e7108ce | 181 | } |
1e7108ce | 182 | } |
32d3e409 | 183 | |
1e7108ce | 184 | if(cfdtime) { |
e691fec9 | 185 | nent = Int_t(cfdtime->GetEntries()); |
2a1ccb90 | 186 | if( nent<=50 ) { |
32d3e409 | 187 | oktime++; |
188 | if(oktime<4) { | |
189 | meancfdtime = 0; | |
190 | } | |
191 | else | |
192 | { | |
193 | AliWarning(Form(" Not enouph data in PMT %i: %i ", i, nent)); | |
194 | ok = false; | |
195 | } | |
196 | } | |
2a1ccb90 | 197 | if(nent > 50 ) { //!!!!!!!!!! |
b5e0299c | 198 | if(cfdtime->GetRMS()>1.5 ) |
e691fec9 | 199 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); |
200 | if(cfdtime->GetRMS()<=1.5) | |
201 | { | |
2a1ccb90 | 202 | if(cfdtime->GetRMS()==0 ||cfdtime->GetMean()==0 ) { |
203 | ok = false; | |
204 | } | |
e691fec9 | 205 | meancfdtime = cfdtime->GetMean(); |
206 | sigmacfdtime = cfdtime->GetRMS(); | |
207 | } | |
dd92f5b8 | 208 | Int_t maxBin = cfdtime->GetMaximumBin(); |
209 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
210 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 211 | } |
212 | } | |
1e7108ce | 213 | SetTimeEq(i,meandiff); |
214 | SetTimeEqRms(i,sigmadiff); | |
215 | SetCFDvalue(i,0,meancfdtime); | |
1e7108ce | 216 | if (cfd) delete cfd; |
217 | if (cfdtime) delete cfdtime; | |
1e7108ce | 218 | } |
61bd03f6 | 219 | TH1F *ver = (TH1F*) gFile->Get("hVertex") ; |
1e7108ce | 220 | if(ver) { |
221 | meanver = ver->GetMean(); | |
222 | rmsver = ver->GetRMS(); | |
223 | } | |
224 | SetMeanVertex(meanver); | |
225 | SetRmsVertex(rmsver); | |
1e7108ce | 226 | gFile->Close(); |
227 | delete gFile; | |
1e7108ce | 228 | } |
229 | return ok; | |
230 | } | |
231 | ||
232 | //________________________________________________________________ | |
61bd03f6 | 233 | Int_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Float_t *cfdvalue, Int_t badpmt) |
1e7108ce | 234 | { |
32d3e409 | 235 | // fStatus implementation: |
236 | //ok means | |
237 | // 1000 - can not open file | |
238 | // for timediff | |
239 | // 1-24 no histograms with time diff for more than okdiff channenls | |
240 | // 100 >3 histos are empty | |
241 | // - 1 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING | |
242 | // -2 low statistics in few channels; for these channels OCDB value will be written back WARNING | |
243 | // for cfd | |
244 | // 200 >3 histos are empty | |
245 | // -11 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING | |
246 | // -22 low statistics in few channels; for these channels OCDB value will be written back WARNING | |
247 | // | |
dd92f5b8 | 248 | // compute offline equalized time |
1e7108ce | 249 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 250 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 251 | Int_t nent=0; |
32d3e409 | 252 | Int_t ok = 0; |
253 | Int_t okdiff=0; | |
254 | Int_t okcfd=0; | |
bb54f817 | 255 | TH1F *cfddiff = NULL; |
256 | TH1F *cfdtime = NULL; | |
61bd03f6 | 257 | TObjArray * tzeroObj = NULL; |
bb54f817 | 258 | |
c4ba15c3 | 259 | gFile = TFile::Open(filePhys); |
1e7108ce | 260 | if(!gFile) { |
261 | AliError("No input PHYS data found "); | |
32d3e409 | 262 | ok = 1000; |
612737bb | 263 | return ok; |
1e7108ce | 264 | } |
265 | else | |
266 | { | |
e691fec9 | 267 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
61bd03f6 | 268 | // TDirectory *dr = (TDirectory*) gFile->Get("T0Calib"); |
269 | tzeroObj = dynamic_cast<TObjArray*>(gFile->Get("T0Calib")); | |
612737bb | 270 | for (Int_t i=0; i<24; i++) |
1e7108ce | 271 | { |
61bd03f6 | 272 | if (i != badpmt) { |
273 | if(tzeroObj) { | |
274 | cfddiff = (TH1F*) tzeroObj->FindObject(Form("CFD1minCFD%d",i+1)); | |
275 | cfdtime = (TH1F*)tzeroObj->FindObject(Form("CFD%d",i+1)); | |
bb54f817 | 276 | } |
277 | else | |
278 | { | |
dd92f5b8 | 279 | cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1)); |
18086258 | 280 | cfdtime = (TH1F*)gFile->Get(Form("CFD%d",i+1)); |
281 | ||
bb54f817 | 282 | } |
18086258 | 283 | if(!cfddiff ) { |
32d3e409 | 284 | AliWarning(Form("no histograms collected by pass0 for diff channel %i", i)); |
285 | okdiff++; | |
286 | if(okdiff<4) { | |
287 | meandiff = timecdb[i]; | |
288 | sigmadiff = 0; | |
289 | ok = -1; | |
290 | } | |
291 | else | |
292 | return 100+okdiff; | |
dd92f5b8 | 293 | } |
294 | if(cfddiff) { | |
18086258 | 295 | nent = Int_t(cfddiff->GetEntries()); |
32d3e409 | 296 | if ( nent == 0) { |
297 | okdiff++; | |
298 | if(okdiff<4) { | |
299 | meandiff = timecdb[i]; | |
300 | sigmadiff = 0; | |
301 | ok = - 1; | |
302 | } | |
303 | else | |
304 | return 100; | |
305 | } | |
306 | if(nent<100 && nent>0) { //!!!!! | |
307 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); | |
308 | ok=-2; | |
309 | meandiff = timecdb[i]; | |
310 | sigmadiff = 0; | |
f824d160 | 311 | } |
32d3e409 | 312 | if(nent>100 ) { //!!!!! |
e691fec9 | 313 | { |
32d3e409 | 314 | if(cfddiff->GetRMS()>1.5 ) |
315 | GetMeanAndSigma(cfddiff, meandiff, sigmadiff); | |
316 | if(cfddiff->GetRMS()<=1.5) | |
317 | { | |
318 | meandiff = cfddiff->GetMean(); | |
319 | sigmadiff = cfddiff->GetRMS(); | |
320 | } | |
321 | Int_t maxBin = cfddiff->GetMaximumBin(); | |
322 | Double_t meanEstimate = cfddiff->GetBinCenter( maxBin); | |
323 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
18086258 | 324 | } |
32d3e409 | 325 | } |
326 | } | |
18086258 | 327 | if(!cfdtime ) { |
328 | AliWarning(Form("no histograms collected by pass0 for time channel %i", i)); | |
db082d76 | 329 | meancfdtime = cfdvalue[i]; |
32d3e409 | 330 | okcfd++; |
331 | if(okcfd<4) { | |
332 | meancfdtime = cfdvalue[i]; | |
333 | ok = -11; | |
334 | } | |
335 | else { | |
336 | AliError(Form("no histograms collected by pass0 for time %i channels ", okcfd)); | |
337 | return 200; | |
338 | } | |
18086258 | 339 | } |
340 | if(cfdtime) { | |
341 | nent = Int_t(cfdtime->GetEntries()); | |
32d3e409 | 342 | if (nent == 0 || |
343 | (cfdtime->GetRMS() == 0 || cfdtime->GetMean() ==0 ) ) | |
344 | { | |
345 | okcfd++; | |
346 | if(okcfd<4) { | |
347 | meancfdtime = cfdvalue[i]; | |
348 | ok = -11; | |
349 | printf("!!!!bad data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
350 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
351 | } | |
352 | else | |
353 | { | |
354 | printf("!!!!fatal data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
355 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
356 | AliError(Form(" histograms collected by pass0 for time %i channels are empty", okcfd)); | |
357 | return 200; | |
358 | } | |
359 | } | |
360 | ||
361 | ||
362 | if(nent<100 && nent>0 ) | |
363 | { | |
364 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); | |
365 | if(okcfd<4) { | |
366 | meancfdtime = cfdvalue[i]; | |
367 | ok = -22; | |
368 | printf("!!!!low statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
369 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
370 | } | |
371 | else { | |
372 | printf("!!!!low fatal statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
373 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
374 | ||
375 | AliError(Form(" Not enouph data in PMT in CFD peak %i in channels ", okcfd)); | |
376 | return 200; | |
377 | } | |
378 | ||
379 | } | |
380 | ||
381 | if( nent>100 && cfdtime->GetRMS() != 0 ) { //!!!!! | |
18086258 | 382 | if(cfdtime->GetRMS()>1.5 ) |
383 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); | |
384 | if(cfdtime->GetRMS()<=1.5) | |
385 | { | |
386 | meancfdtime = cfdtime->GetMean(); | |
387 | sigmacfdtime=cfdtime->GetRMS(); | |
32d3e409 | 388 | } |
657abde7 | 389 | Int_t maxBin = cfdtime->GetMaximumBin(); |
390 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
391 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 392 | } |
eef60a6a | 393 | } |
bb54f817 | 394 | |
b9dd81a7 | 395 | SetTimeEq(i,meandiff); |
1e7108ce | 396 | SetTimeEqRms(i,sigmadiff); |
18086258 | 397 | SetCFDvalue(i,0, meancfdtime ); |
32d3e409 | 398 | printf(" pmt %i diff %f sigma %f meancfdtime %f cdbtime %f \n",i, meandiff, sigmadiff, meancfdtime, fCFDvalue[i][0]); |
bb54f817 | 399 | if (cfddiff) cfddiff->Reset(); |
400 | if (cfdtime) cfdtime->Reset(); | |
b5e0299c | 401 | } //bad pmt |
61bd03f6 | 402 | } |
6318dd46 | 403 | gFile->Close(); |
404 | delete gFile; | |
6318dd46 | 405 | } |
02888358 | 406 | return ok; |
e691fec9 | 407 | } |
a2ad8166 | 408 | |
1e7108ce | 409 | //________________________________________________________________________ |
410 | void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) { | |
612737bb | 411 | |
412 | const double window = 2.; //fit window | |
413 | ||
1e7108ce | 414 | double meanEstimate, sigmaEstimate; |
415 | int maxBin; | |
416 | maxBin = hist->GetMaximumBin(); //position of maximum | |
417 | meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum | |
18086258 | 418 | // sigmaEstimate = hist->GetRMS(); |
419 | sigmaEstimate = 10; | |
1e7108ce | 420 | TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate); |
421 | fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate); | |
b5e0299c | 422 | hist->Fit("fit","RQ","Q"); |
1e7108ce | 423 | |
424 | mean = (Float_t) fit->GetParameter(1); | |
425 | sigma = (Float_t) fit->GetParameter(2); | |
426 | ||
427 | delete fit; | |
428 | } | |
429 | ||
8bfd9a3e | 430 |