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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; |
02888358 | 117 | Bool_t ok=false; |
c2337900 | 118 | gFile = TFile::Open(filePhys); |
370867d2 | 119 | if(!gFile) { |
6318dd46 | 120 | AliError("No input PHYS data found "); |
121 | } | |
122 | else | |
123 | { | |
02888358 | 124 | ok=true; |
6318dd46 | 125 | for (Int_t i=0; i<24; i++) |
126 | { | |
18086258 | 127 | |
e691fec9 | 128 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 129 | TH1F *cfd = (TH1F*) gFile->Get(Form("CFD1minCFD%d",i+1)); |
130 | TH1F *cfdtime = (TH1F*) gFile->Get(Form("CFD%d",i+1)); | |
dd92f5b8 | 131 | if(!cfd) { |
132 | AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i)); | |
dd92f5b8 | 133 | } |
134 | if(!cfdtime) { | |
135 | AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i)); | |
dd92f5b8 | 136 | } |
eef60a6a | 137 | if(cfd) { |
e691fec9 | 138 | nent = Int_t(cfd->GetEntries()); |
18086258 | 139 | if(nent>50) { |
612737bb | 140 | if(cfd->GetRMS()>1.5 ) |
e691fec9 | 141 | GetMeanAndSigma(cfd, meandiff, sigmadiff); |
142 | if(cfd->GetRMS()<=1.5) | |
143 | { | |
144 | meandiff = cfd->GetMean(); | |
145 | sigmadiff=cfd->GetRMS(); | |
146 | } | |
dd92f5b8 | 147 | Int_t maxBin = cfd->GetMaximumBin(); |
148 | Double_t meanEstimate = cfd->GetBinCenter( maxBin); | |
149 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
1e7108ce | 150 | } |
151 | else | |
152 | { | |
18086258 | 153 | // ok=false; |
e691fec9 | 154 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); |
1e7108ce | 155 | } |
1e7108ce | 156 | } |
1e7108ce | 157 | if(cfdtime) { |
e691fec9 | 158 | nent = Int_t(cfdtime->GetEntries()); |
18086258 | 159 | if(nent > 50 ) { //!!!!!!!!!! |
b5e0299c | 160 | if(cfdtime->GetRMS()>1.5 ) |
e691fec9 | 161 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); |
162 | if(cfdtime->GetRMS()<=1.5) | |
163 | { | |
164 | meancfdtime = cfdtime->GetMean(); | |
165 | sigmacfdtime = cfdtime->GetRMS(); | |
166 | } | |
dd92f5b8 | 167 | Int_t maxBin = cfdtime->GetMaximumBin(); |
168 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
169 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 170 | } |
dd92f5b8 | 171 | else |
172 | { | |
18086258 | 173 | // ok=false; |
dd92f5b8 | 174 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); |
175 | } | |
1e7108ce | 176 | } |
1e7108ce | 177 | SetTimeEq(i,meandiff); |
178 | SetTimeEqRms(i,sigmadiff); | |
179 | SetCFDvalue(i,0,meancfdtime); | |
1e7108ce | 180 | if (cfd) delete cfd; |
181 | if (cfdtime) delete cfdtime; | |
dd92f5b8 | 182 | |
1e7108ce | 183 | } |
184 | TH1F *ver = (TH1F*) gFile->Get("hVertex"); | |
1e7108ce | 185 | if(ver) { |
186 | meanver = ver->GetMean(); | |
187 | rmsver = ver->GetRMS(); | |
188 | } | |
189 | SetMeanVertex(meanver); | |
190 | SetRmsVertex(rmsver); | |
191 | ||
192 | gFile->Close(); | |
193 | delete gFile; | |
dd92f5b8 | 194 | |
1e7108ce | 195 | } |
196 | return ok; | |
197 | } | |
198 | ||
199 | //________________________________________________________________ | |
dd92f5b8 | 200 | Bool_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Float_t *cfdvalue, Int_t badpmt) |
1e7108ce | 201 | { |
dd92f5b8 | 202 | // compute offline equalized time |
1e7108ce | 203 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 204 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 205 | Int_t nent=0; |
206 | Bool_t ok=false; | |
bb54f817 | 207 | TH1F *cfddiff = NULL; |
208 | TH1F *cfdtime = NULL; | |
dd92f5b8 | 209 | TObjArray * TzeroObj = NULL; |
bb54f817 | 210 | |
c4ba15c3 | 211 | gFile = TFile::Open(filePhys); |
1e7108ce | 212 | if(!gFile) { |
213 | AliError("No input PHYS data found "); | |
612737bb | 214 | return ok; |
1e7108ce | 215 | } |
216 | else | |
217 | { | |
e691fec9 | 218 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 219 | ok=true; |
612737bb | 220 | TDirectory *dr = (TDirectory*) gFile->Get("T0Calib"); |
dd92f5b8 | 221 | if (dr) TzeroObj = (TObjArray*) dr->Get("T0Calib"); |
18086258 | 222 | |
612737bb | 223 | for (Int_t i=0; i<24; i++) |
1e7108ce | 224 | { |
b5e0299c | 225 | if (i != badpmt) { |
bb54f817 | 226 | if(TzeroObj) { |
227 | cfddiff = (TH1F*)TzeroObj->FindObject(Form("CFD1minCFD%d",i+1)); | |
18086258 | 228 | cfdtime = (TH1F*)TzeroObj->FindObject(Form("CFD%d",i+1)); |
bb54f817 | 229 | } |
230 | else | |
231 | { | |
dd92f5b8 | 232 | cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1)); |
18086258 | 233 | cfdtime = (TH1F*)gFile->Get(Form("CFD%d",i+1)); |
234 | ||
bb54f817 | 235 | } |
18086258 | 236 | if(!cfddiff ) { |
237 | AliWarning(Form("no histograms collected by pass0 for diff channel %i", i)); | |
238 | SetTimeEq(i,timecdb[i]); | |
239 | SetTimeEqRms(i,0); | |
dd92f5b8 | 240 | } |
241 | if(cfddiff) { | |
18086258 | 242 | nent = Int_t(cfddiff->GetEntries()); |
243 | if(nent>100 ) { //!!!!! | |
244 | if(cfddiff->GetRMS()>1.5 ) | |
245 | GetMeanAndSigma(cfddiff, meandiff, sigmadiff); | |
246 | if(cfddiff->GetRMS()<=1.5) | |
247 | { | |
248 | meandiff = cfddiff->GetMean(); | |
249 | sigmadiff = cfddiff->GetRMS(); | |
250 | } | |
657abde7 | 251 | Int_t maxBin = cfddiff->GetMaximumBin(); |
252 | Double_t meanEstimate = cfddiff->GetBinCenter( maxBin); | |
18086258 | 253 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; |
f824d160 | 254 | } |
18086258 | 255 | else |
e691fec9 | 256 | { |
18086258 | 257 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); |
258 | SetTimeEq(i,timecdb[i]); | |
259 | SetTimeEqRms(i,0); | |
260 | ||
261 | } | |
262 | } | |
263 | ||
264 | if(!cfdtime ) { | |
265 | AliWarning(Form("no histograms collected by pass0 for time channel %i", i)); | |
266 | SetTimeEq(i, cfdvalue[i]); | |
267 | SetTimeEqRms(i, 0); | |
268 | } | |
269 | if(cfdtime) { | |
270 | nent = Int_t(cfdtime->GetEntries()); | |
271 | if(nent>100 ) { //!!!!! | |
272 | if(cfdtime->GetRMS()>1.5 ) | |
273 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); | |
274 | if(cfdtime->GetRMS()<=1.5) | |
275 | { | |
276 | meancfdtime = cfdtime->GetMean(); | |
277 | sigmacfdtime=cfdtime->GetRMS(); | |
e691fec9 | 278 | } |
657abde7 | 279 | Int_t maxBin = cfdtime->GetMaximumBin(); |
280 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
281 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 282 | } |
e691fec9 | 283 | else |
284 | { | |
e691fec9 | 285 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); |
18086258 | 286 | SetTimeEq(i, cfdvalue[i]); |
287 | SetTimeEqRms(i, 0); | |
1e7108ce | 288 | } |
eef60a6a | 289 | } |
bb54f817 | 290 | |
b5e0299c | 291 | SetTimeEq(i,timecdb[i] + meandiff); |
1e7108ce | 292 | SetTimeEqRms(i,sigmadiff); |
18086258 | 293 | SetCFDvalue(i,0, meancfdtime ); |
bb54f817 | 294 | if (cfddiff) cfddiff->Reset(); |
295 | if (cfdtime) cfdtime->Reset(); | |
b5e0299c | 296 | } //bad pmt |
6318dd46 | 297 | } |
6318dd46 | 298 | |
299 | gFile->Close(); | |
300 | delete gFile; | |
02888358 | 301 | |
6318dd46 | 302 | } |
02888358 | 303 | return ok; |
e691fec9 | 304 | } |
a2ad8166 | 305 | |
1e7108ce | 306 | //________________________________________________________________________ |
307 | void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) { | |
612737bb | 308 | |
309 | const double window = 2.; //fit window | |
310 | ||
1e7108ce | 311 | double meanEstimate, sigmaEstimate; |
312 | int maxBin; | |
313 | maxBin = hist->GetMaximumBin(); //position of maximum | |
314 | meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum | |
18086258 | 315 | // sigmaEstimate = hist->GetRMS(); |
316 | sigmaEstimate = 10; | |
1e7108ce | 317 | TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate); |
318 | fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate); | |
b5e0299c | 319 | hist->Fit("fit","RQ","Q"); |
1e7108ce | 320 | |
321 | mean = (Float_t) fit->GetParameter(1); | |
322 | sigma = (Float_t) fit->GetParameter(2); | |
323 | ||
324 | delete fit; | |
325 | } | |
326 | ||
8bfd9a3e | 327 |