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a2ad8166 | 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 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
59b8a5fc | 20 | // class for T0 calibration TM-AC-AM_6-02-2006 |
21 | // equalize time shift for each time CFD channel | |
a2ad8166 | 22 | // // |
23 | /////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | #include "AliT0CalibTimeEq.h" | |
e47b556f | 26 | #include "AliLog.h" |
a2ad8166 | 27 | #include <TFile.h> |
28 | #include <TMath.h> | |
29 | #include <TF1.h> | |
a2ad8166 | 30 | #include <TSpectrum.h> |
a2ad8166 | 31 | #include <TProfile.h> |
c61a7285 | 32 | #include <iostream> |
a2ad8166 | 33 | |
34 | ClassImp(AliT0CalibTimeEq) | |
35 | ||
36 | //________________________________________________________________ | |
eef60a6a | 37 | AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed(), |
38 | fMeanVertex(0), | |
39 | fRmsVertex(0) | |
a2ad8166 | 40 | { |
41 | // | |
b95e8d87 | 42 | |
a2ad8166 | 43 | } |
44 | ||
45 | //________________________________________________________________ | |
eef60a6a | 46 | AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed(), |
47 | fMeanVertex(0), | |
48 | fRmsVertex(0) | |
a2ad8166 | 49 | { |
59b8a5fc | 50 | //constructor |
51 | ||
a2ad8166 | 52 | TString namst = "Calib_"; |
53 | namst += name; | |
54 | SetName(namst.Data()); | |
55 | SetTitle(namst.Data()); | |
56 | } | |
57 | ||
58 | //________________________________________________________________ | |
eef60a6a | 59 | AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda), |
60 | fMeanVertex(0), | |
61 | fRmsVertex(0) | |
a2ad8166 | 62 | { |
63 | // copy constructor | |
64 | SetName(calibda.GetName()); | |
65 | SetTitle(calibda.GetName()); | |
66 | ||
67 | ||
68 | } | |
69 | ||
70 | //________________________________________________________________ | |
71 | AliT0CalibTimeEq &AliT0CalibTimeEq::operator =(const AliT0CalibTimeEq& calibda) | |
72 | { | |
73 | // assignment operator | |
74 | SetName(calibda.GetName()); | |
75 | SetTitle(calibda.GetName()); | |
76 | ||
77 | return *this; | |
78 | } | |
79 | ||
80 | //________________________________________________________________ | |
81 | AliT0CalibTimeEq::~AliT0CalibTimeEq() | |
82 | { | |
83 | // | |
59b8a5fc | 84 | // destrictor |
a2ad8166 | 85 | } |
86 | //________________________________________________________________ | |
87 | void AliT0CalibTimeEq::Reset() | |
88 | { | |
59b8a5fc | 89 | //reset values |
90 | ||
a2ad8166 | 91 | memset(fCFDvalue,0,120*sizeof(Float_t)); |
92 | memset(fTimeEq,1,24*sizeof(Float_t)); | |
93 | } | |
94 | ||
95 | ||
96 | //________________________________________________________________ | |
97 | void AliT0CalibTimeEq::Print(Option_t*) const | |
98 | { | |
59b8a5fc | 99 | // print time values |
a2ad8166 | 100 | |
101 | printf("\n ---- PM Arrays ----\n\n"); | |
102 | printf(" Time delay CFD \n"); | |
103 | for (Int_t i=0; i<24; i++) printf(" CFD %f ",fTimeEq[i]); | |
b95e8d87 | 104 | printf("\n Mean Vertex %f \n", fMeanVertex); |
a2ad8166 | 105 | } |
106 | ||
107 | ||
108 | //________________________________________________________________ | |
02888358 | 109 | Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys) |
a2ad8166 | 110 | { |
59b8a5fc | 111 | // compute online equalized time |
1e7108ce | 112 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 113 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
c4ba15c3 | 114 | Double_t rmsver=0; |
b5e0299c | 115 | Int_t nent=0; |
02888358 | 116 | Bool_t ok=false; |
c2337900 | 117 | gFile = TFile::Open(filePhys); |
370867d2 | 118 | if(!gFile) { |
6318dd46 | 119 | AliError("No input PHYS data found "); |
120 | } | |
121 | else | |
122 | { | |
02888358 | 123 | ok=true; |
6318dd46 | 124 | for (Int_t i=0; i<24; i++) |
125 | { | |
e691fec9 | 126 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 127 | TH1F *cfd = (TH1F*) gFile->Get(Form("CFD1minCFD%d",i+1)); |
128 | TH1F *cfdtime = (TH1F*) gFile->Get(Form("CFD%d",i+1)); | |
e691fec9 | 129 | if(!cfd) AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i)); |
eef60a6a | 130 | if(cfd) { |
e691fec9 | 131 | nent = Int_t(cfd->GetEntries()); |
132 | if(nent>500 ) { | |
133 | if(cfd->GetRMS()>1.5 && cfd->GetRMS()<20) | |
134 | GetMeanAndSigma(cfd, meandiff, sigmadiff); | |
135 | if(cfd->GetRMS()<=1.5) | |
136 | { | |
137 | meandiff = cfd->GetMean(); | |
138 | sigmadiff=cfd->GetRMS(); | |
139 | } | |
1e7108ce | 140 | |
e691fec9 | 141 | if(cfd->GetRMS()>20) |
142 | { | |
143 | ok=false; | |
144 | AliWarning(Form("Data is not good in PMT %i - mean %f rsm %f nentries %i", i,meandiff,sigmadiff , nent)); | |
145 | } | |
1e7108ce | 146 | } |
147 | else | |
148 | { | |
f824d160 | 149 | ok=false; |
e691fec9 | 150 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); |
1e7108ce | 151 | } |
e691fec9 | 152 | if(!cfd) AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i)); |
1e7108ce | 153 | } |
154 | // printf(" i = %d buf1 = %s\n", i, buf1); | |
155 | if(cfdtime) { | |
e691fec9 | 156 | nent = Int_t(cfdtime->GetEntries()); |
157 | if(nent>500 ) { | |
b5e0299c | 158 | if(cfdtime->GetRMS()>1.5 ) |
e691fec9 | 159 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); |
160 | if(cfdtime->GetRMS()<=1.5) | |
161 | { | |
162 | meancfdtime = cfdtime->GetMean(); | |
163 | sigmacfdtime = cfdtime->GetRMS(); | |
164 | } | |
b5e0299c | 165 | if(sigmacfdtime>50 ) |
e691fec9 | 166 | { |
b5e0299c | 167 | ok=false; |
168 | AliWarning(Form("Data is not good enouph in PMT %i - meancfdtime %f rsm %f nentries %i", i,meancfdtime, sigmacfdtime, nent)); | |
e691fec9 | 169 | } |
1e7108ce | 170 | } |
171 | } | |
172 | else | |
173 | { | |
e691fec9 | 174 | ok=false; |
175 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); | |
176 | } | |
177 | // printf(" %i %f %f %f %f \n",i, meandiff, sigmadiff, meancfdtime, sigmacfdtime); | |
1e7108ce | 178 | SetTimeEq(i,meandiff); |
179 | SetTimeEqRms(i,sigmadiff); | |
180 | SetCFDvalue(i,0,meancfdtime); | |
181 | SetCFDvalue(i,0,sigmacfdtime); | |
182 | if (cfd) delete cfd; | |
183 | if (cfdtime) delete cfdtime; | |
184 | ||
185 | } | |
186 | TH1F *ver = (TH1F*) gFile->Get("hVertex"); | |
187 | if(!ver) AliWarning("no T0 histogram collected by PHYS DA "); | |
188 | if(ver) { | |
189 | meanver = ver->GetMean(); | |
190 | rmsver = ver->GetRMS(); | |
191 | } | |
192 | SetMeanVertex(meanver); | |
193 | SetRmsVertex(rmsver); | |
194 | ||
195 | gFile->Close(); | |
196 | delete gFile; | |
197 | ||
198 | } | |
199 | return ok; | |
200 | } | |
201 | ||
202 | //________________________________________________________________ | |
b5e0299c | 203 | Bool_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Int_t badpmt) |
1e7108ce | 204 | { |
205 | // compute online equalized time | |
206 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; | |
c4ba15c3 | 207 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
c4ba15c3 | 208 | Double_t rmsver=0; |
1e7108ce | 209 | Int_t nent=0; |
210 | Bool_t ok=false; | |
c4ba15c3 | 211 | gFile = TFile::Open(filePhys); |
1e7108ce | 212 | if(!gFile) { |
213 | AliError("No input PHYS data found "); | |
214 | } | |
215 | else | |
216 | { | |
e691fec9 | 217 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 218 | ok=true; |
b5e0299c | 219 | TDirectory *dr = (TDirectory*) gFile->Get("T0Calib"); |
220 | TObjArray * TzeroObj = (TObjArray*) dr->Get("fTzeroObject"); | |
221 | for (Int_t i=0; i<24; i++) | |
1e7108ce | 222 | { |
b5e0299c | 223 | if (i != badpmt) { |
1e7108ce | 224 | TH1F *cfddiff = (TH1F*)TzeroObj->At(i); |
225 | TH1F *cfdtime = (TH1F*)TzeroObj->At(i+24); | |
e691fec9 | 226 | if(!cfddiff) AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i)); |
1e7108ce | 227 | // printf(" i = %d buf1 = %s\n", i, buf1); |
228 | if(cfddiff) { | |
e691fec9 | 229 | nent = Int_t(cfddiff->GetEntries()); |
b5e0299c | 230 | if(nent>10 ) { |
231 | if(cfddiff->GetRMS()>1.5 && cfddiff->GetRMS()<30) | |
e691fec9 | 232 | GetMeanAndSigma(cfddiff, meandiff, sigmadiff); |
233 | if(cfddiff->GetRMS()<=1.5) | |
234 | { | |
235 | meandiff = cfddiff->GetMean(); | |
236 | sigmadiff = cfddiff->GetRMS(); | |
237 | } | |
b5e0299c | 238 | // printf(" ipmt %i meandiff %f sigmadiff %f mean %f rms %f\n", i, meandiff,sigmadiff,cfddiff->GetMean(), cfddiff->GetRMS() ); |
e691fec9 | 239 | |
b5e0299c | 240 | if(sigmadiff > 30) |
e691fec9 | 241 | { |
242 | ok=false; | |
243 | AliWarning(Form("Data is not good in PMT %i - mean %f rsm %f nentries %i", i,meandiff,sigmadiff , nent)); | |
244 | } | |
b5e0299c | 245 | |
370867d2 | 246 | } |
247 | else | |
f824d160 | 248 | { |
249 | ok=false; | |
e691fec9 | 250 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); |
f824d160 | 251 | } |
e691fec9 | 252 | } |
1e7108ce | 253 | if(cfdtime) { |
e691fec9 | 254 | nent = Int_t(cfdtime->GetEntries()); |
b5e0299c | 255 | if(nent>10 ) { |
256 | if(cfdtime->GetRMS()>1.5 ) | |
e691fec9 | 257 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); |
258 | if(cfdtime->GetRMS()<=1.5) | |
259 | { | |
260 | meancfdtime = cfdtime->GetMean(); | |
261 | sigmacfdtime=cfdtime->GetRMS(); | |
262 | } | |
b5e0299c | 263 | if(sigmacfdtime>50) |
e691fec9 | 264 | { |
265 | ok=false; | |
266 | AliWarning(Form("Data is not good enouph in PMT %i - meancfdtime %f rsm %f nentries %i", i,meancfdtime, sigmacfdtime, nent)); | |
267 | } | |
1e7108ce | 268 | } |
e691fec9 | 269 | else |
270 | { | |
1e7108ce | 271 | ok=false; |
e691fec9 | 272 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); |
1e7108ce | 273 | } |
eef60a6a | 274 | } |
b5e0299c | 275 | SetTimeEq(i,timecdb[i] + meandiff); |
1e7108ce | 276 | SetTimeEqRms(i,sigmadiff); |
277 | SetCFDvalue(i,0,meancfdtime); | |
278 | SetCFDvalue(i,0,sigmacfdtime); | |
279 | if (cfddiff) delete cfddiff; | |
280 | if (cfdtime) delete cfdtime; | |
b5e0299c | 281 | } //bad pmt |
6318dd46 | 282 | } |
b95e8d87 | 283 | TH1F *ver = (TH1F*) gFile->Get("hVertex"); |
f824d160 | 284 | if(!ver) AliWarning("no T0 histogram collected by PHYS DA "); |
eef60a6a | 285 | if(ver) { |
286 | meanver = ver->GetMean(); | |
287 | rmsver = ver->GetRMS(); | |
288 | } | |
b95e8d87 | 289 | SetMeanVertex(meanver); |
eef60a6a | 290 | SetRmsVertex(rmsver); |
6318dd46 | 291 | |
292 | gFile->Close(); | |
293 | delete gFile; | |
02888358 | 294 | |
6318dd46 | 295 | } |
02888358 | 296 | return ok; |
e691fec9 | 297 | } |
a2ad8166 | 298 | |
1e7108ce | 299 | //________________________________________________________________________ |
300 | void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) { | |
301 | ||
1e7108ce | 302 | const double window = 5.; //fit window |
1e7108ce | 303 | |
304 | double meanEstimate, sigmaEstimate; | |
305 | int maxBin; | |
306 | maxBin = hist->GetMaximumBin(); //position of maximum | |
307 | meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum | |
308 | sigmaEstimate = hist->GetRMS(); | |
309 | TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate); | |
310 | fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate); | |
b5e0299c | 311 | hist->Fit("fit","RQ","Q"); |
1e7108ce | 312 | |
313 | mean = (Float_t) fit->GetParameter(1); | |
314 | sigma = (Float_t) fit->GetParameter(2); | |
315 | ||
316 | delete fit; | |
317 | } | |
318 | ||
8bfd9a3e | 319 |