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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"); | |
104 | for (Int_t i=0; i<24; i++) printf(" CFD %f ",fTimeEq[i]); | |
b95e8d87 | 105 | printf("\n Mean Vertex %f \n", fMeanVertex); |
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; |
c2337900 | 120 | gFile = TFile::Open(filePhys); |
370867d2 | 121 | if(!gFile) { |
6318dd46 | 122 | AliError("No input PHYS data found "); |
123 | } | |
124 | else | |
125 | { | |
02888358 | 126 | ok=true; |
6318dd46 | 127 | for (Int_t i=0; i<24; i++) |
128 | { | |
18086258 | 129 | |
e691fec9 | 130 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 131 | TH1F *cfd = (TH1F*) gFile->Get(Form("CFD1minCFD%d",i+1)); |
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()); |
32d3e409 | 154 | if( nent<=50 || cfd->GetRMS() == 0 || cfd->GetMean() ) { |
155 | okdiff++; | |
156 | if(okdiff<4) { | |
157 | meandiff = 0; | |
158 | sigmadiff = 0; | |
159 | } | |
160 | else | |
161 | { | |
162 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); | |
163 | ok = false; | |
164 | } | |
165 | } | |
18086258 | 166 | if(nent>50) { |
612737bb | 167 | if(cfd->GetRMS()>1.5 ) |
e691fec9 | 168 | GetMeanAndSigma(cfd, meandiff, sigmadiff); |
169 | if(cfd->GetRMS()<=1.5) | |
170 | { | |
171 | meandiff = cfd->GetMean(); | |
172 | sigmadiff=cfd->GetRMS(); | |
173 | } | |
dd92f5b8 | 174 | Int_t maxBin = cfd->GetMaximumBin(); |
175 | Double_t meanEstimate = cfd->GetBinCenter( maxBin); | |
176 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
1e7108ce | 177 | } |
1e7108ce | 178 | } |
32d3e409 | 179 | |
1e7108ce | 180 | if(cfdtime) { |
e691fec9 | 181 | nent = Int_t(cfdtime->GetEntries()); |
32d3e409 | 182 | if( nent<=50 || cfd->GetRMS() == 0 || cfd->GetMean() ) { |
183 | oktime++; | |
184 | if(oktime<4) { | |
185 | meancfdtime = 0; | |
186 | } | |
187 | else | |
188 | { | |
189 | AliWarning(Form(" Not enouph data in PMT %i: %i ", i, nent)); | |
190 | ok = false; | |
191 | } | |
192 | } | |
18086258 | 193 | if(nent > 50 ) { //!!!!!!!!!! |
b5e0299c | 194 | if(cfdtime->GetRMS()>1.5 ) |
e691fec9 | 195 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); |
196 | if(cfdtime->GetRMS()<=1.5) | |
197 | { | |
198 | meancfdtime = cfdtime->GetMean(); | |
199 | sigmacfdtime = cfdtime->GetRMS(); | |
200 | } | |
dd92f5b8 | 201 | Int_t maxBin = cfdtime->GetMaximumBin(); |
202 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
203 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 204 | } |
205 | } | |
1e7108ce | 206 | SetTimeEq(i,meandiff); |
207 | SetTimeEqRms(i,sigmadiff); | |
208 | SetCFDvalue(i,0,meancfdtime); | |
1e7108ce | 209 | if (cfd) delete cfd; |
210 | if (cfdtime) delete cfdtime; | |
1e7108ce | 211 | } |
212 | TH1F *ver = (TH1F*) gFile->Get("hVertex"); | |
1e7108ce | 213 | if(ver) { |
214 | meanver = ver->GetMean(); | |
215 | rmsver = ver->GetRMS(); | |
216 | } | |
217 | SetMeanVertex(meanver); | |
218 | SetRmsVertex(rmsver); | |
219 | ||
220 | gFile->Close(); | |
221 | delete gFile; | |
dd92f5b8 | 222 | |
1e7108ce | 223 | } |
224 | return ok; | |
225 | } | |
226 | ||
227 | //________________________________________________________________ | |
32d3e409 | 228 | Int_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Float_t *cfdvalue, Int_t badpmt) |
1e7108ce | 229 | { |
32d3e409 | 230 | // fStatus implementation: |
231 | //ok means | |
232 | // 1000 - can not open file | |
233 | // for timediff | |
234 | // 1-24 no histograms with time diff for more than okdiff channenls | |
235 | // 100 >3 histos are empty | |
236 | // - 1 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING | |
237 | // -2 low statistics in few channels; for these channels OCDB value will be written back WARNING | |
238 | // for cfd | |
239 | // 200 >3 histos are empty | |
240 | // -11 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING | |
241 | // -22 low statistics in few channels; for these channels OCDB value will be written back WARNING | |
242 | // | |
dd92f5b8 | 243 | // compute offline equalized time |
1e7108ce | 244 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 245 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 246 | Int_t nent=0; |
32d3e409 | 247 | Int_t ok = 0; |
248 | Int_t okdiff=0; | |
249 | Int_t okcfd=0; | |
bb54f817 | 250 | TH1F *cfddiff = NULL; |
251 | TH1F *cfdtime = NULL; | |
dd92f5b8 | 252 | TObjArray * TzeroObj = NULL; |
bb54f817 | 253 | |
c4ba15c3 | 254 | gFile = TFile::Open(filePhys); |
1e7108ce | 255 | if(!gFile) { |
256 | AliError("No input PHYS data found "); | |
32d3e409 | 257 | ok = 1000; |
612737bb | 258 | return ok; |
1e7108ce | 259 | } |
260 | else | |
261 | { | |
e691fec9 | 262 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
612737bb | 263 | TDirectory *dr = (TDirectory*) gFile->Get("T0Calib"); |
dd92f5b8 | 264 | if (dr) TzeroObj = (TObjArray*) dr->Get("T0Calib"); |
612737bb | 265 | for (Int_t i=0; i<24; i++) |
1e7108ce | 266 | { |
b5e0299c | 267 | if (i != badpmt) { |
bb54f817 | 268 | if(TzeroObj) { |
269 | cfddiff = (TH1F*)TzeroObj->FindObject(Form("CFD1minCFD%d",i+1)); | |
18086258 | 270 | cfdtime = (TH1F*)TzeroObj->FindObject(Form("CFD%d",i+1)); |
bb54f817 | 271 | } |
272 | else | |
273 | { | |
dd92f5b8 | 274 | cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1)); |
18086258 | 275 | cfdtime = (TH1F*)gFile->Get(Form("CFD%d",i+1)); |
276 | ||
bb54f817 | 277 | } |
18086258 | 278 | if(!cfddiff ) { |
32d3e409 | 279 | AliWarning(Form("no histograms collected by pass0 for diff channel %i", i)); |
280 | okdiff++; | |
281 | if(okdiff<4) { | |
282 | meandiff = timecdb[i]; | |
283 | sigmadiff = 0; | |
284 | ok = -1; | |
285 | } | |
286 | else | |
287 | return 100+okdiff; | |
dd92f5b8 | 288 | } |
289 | if(cfddiff) { | |
18086258 | 290 | nent = Int_t(cfddiff->GetEntries()); |
32d3e409 | 291 | if ( nent == 0) { |
292 | okdiff++; | |
293 | if(okdiff<4) { | |
294 | meandiff = timecdb[i]; | |
295 | sigmadiff = 0; | |
296 | ok = - 1; | |
297 | } | |
298 | else | |
299 | return 100; | |
300 | } | |
301 | if(nent<100 && nent>0) { //!!!!! | |
302 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); | |
303 | ok=-2; | |
304 | meandiff = timecdb[i]; | |
305 | sigmadiff = 0; | |
f824d160 | 306 | } |
32d3e409 | 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++; |
326 | if(okcfd<4) { | |
327 | meancfdtime = cfdvalue[i]; | |
328 | ok = -11; | |
329 | } | |
330 | else { | |
331 | AliError(Form("no histograms collected by pass0 for time %i channels ", okcfd)); | |
332 | return 200; | |
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++; | |
341 | if(okcfd<4) { | |
342 | meancfdtime = cfdvalue[i]; | |
343 | ok = -11; | |
344 | printf("!!!!bad data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
345 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
346 | } | |
347 | else | |
348 | { | |
349 | printf("!!!!fatal data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
350 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
351 | AliError(Form(" histograms collected by pass0 for time %i channels are empty", okcfd)); | |
352 | return 200; | |
353 | } | |
354 | } | |
355 | ||
356 | ||
357 | if(nent<100 && nent>0 ) | |
358 | { | |
359 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); | |
360 | if(okcfd<4) { | |
361 | meancfdtime = cfdvalue[i]; | |
362 | ok = -22; | |
363 | printf("!!!!low statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
364 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
365 | } | |
366 | else { | |
367 | printf("!!!!low fatal statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n", | |
368 | i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]); | |
369 | ||
370 | AliError(Form(" Not enouph data in PMT in CFD peak %i in channels ", okcfd)); | |
371 | return 200; | |
372 | } | |
373 | ||
374 | } | |
375 | ||
376 | if( nent>100 && cfdtime->GetRMS() != 0 ) { //!!!!! | |
18086258 | 377 | if(cfdtime->GetRMS()>1.5 ) |
378 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); | |
379 | if(cfdtime->GetRMS()<=1.5) | |
380 | { | |
381 | meancfdtime = cfdtime->GetMean(); | |
382 | sigmacfdtime=cfdtime->GetRMS(); | |
32d3e409 | 383 | } |
657abde7 | 384 | Int_t maxBin = cfdtime->GetMaximumBin(); |
385 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
386 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 387 | } |
eef60a6a | 388 | } |
bb54f817 | 389 | |
b9dd81a7 | 390 | SetTimeEq(i,meandiff); |
1e7108ce | 391 | SetTimeEqRms(i,sigmadiff); |
18086258 | 392 | SetCFDvalue(i,0, meancfdtime ); |
32d3e409 | 393 | printf(" pmt %i diff %f sigma %f meancfdtime %f cdbtime %f \n",i, meandiff, sigmadiff, meancfdtime, fCFDvalue[i][0]); |
bb54f817 | 394 | if (cfddiff) cfddiff->Reset(); |
395 | if (cfdtime) cfdtime->Reset(); | |
b5e0299c | 396 | } //bad pmt |
6318dd46 | 397 | } |
6318dd46 | 398 | |
399 | gFile->Close(); | |
400 | delete gFile; | |
02888358 | 401 | |
6318dd46 | 402 | } |
02888358 | 403 | return ok; |
e691fec9 | 404 | } |
a2ad8166 | 405 | |
1e7108ce | 406 | //________________________________________________________________________ |
407 | void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) { | |
612737bb | 408 | |
409 | const double window = 2.; //fit window | |
410 | ||
1e7108ce | 411 | double meanEstimate, sigmaEstimate; |
412 | int maxBin; | |
413 | maxBin = hist->GetMaximumBin(); //position of maximum | |
414 | meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum | |
18086258 | 415 | // sigmaEstimate = hist->GetRMS(); |
416 | sigmaEstimate = 10; | |
1e7108ce | 417 | TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate); |
418 | fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate); | |
b5e0299c | 419 | hist->Fit("fit","RQ","Q"); |
1e7108ce | 420 | |
421 | mean = (Float_t) fit->GetParameter(1); | |
422 | sigma = (Float_t) fit->GetParameter(2); | |
423 | ||
424 | delete fit; | |
425 | } | |
426 | ||
8bfd9a3e | 427 |