]>
Commit | Line | Data |
---|---|---|
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)); | |
dd92f5b8 | 129 | if(!cfd) { |
130 | AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i)); | |
131 | ok=false; | |
132 | return ok; | |
133 | } | |
134 | if(!cfdtime) { | |
135 | AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i)); | |
136 | ok=false; | |
137 | return ok; | |
138 | } | |
eef60a6a | 139 | if(cfd) { |
e691fec9 | 140 | nent = Int_t(cfd->GetEntries()); |
612737bb | 141 | if(nent>500) { |
142 | if(cfd->GetRMS()>1.5 ) | |
e691fec9 | 143 | GetMeanAndSigma(cfd, meandiff, sigmadiff); |
144 | if(cfd->GetRMS()<=1.5) | |
145 | { | |
146 | meandiff = cfd->GetMean(); | |
147 | sigmadiff=cfd->GetRMS(); | |
148 | } | |
dd92f5b8 | 149 | Int_t maxBin = cfd->GetMaximumBin(); |
150 | Double_t meanEstimate = cfd->GetBinCenter( maxBin); | |
151 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
1e7108ce | 152 | } |
153 | else | |
154 | { | |
f824d160 | 155 | ok=false; |
e691fec9 | 156 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); |
1e7108ce | 157 | } |
1e7108ce | 158 | } |
dd92f5b8 | 159 | // printf(" i = %d buf1 = %s\n", i, buf1); |
1e7108ce | 160 | if(cfdtime) { |
e691fec9 | 161 | nent = Int_t(cfdtime->GetEntries()); |
612737bb | 162 | if(nent > 500 ) { //!!!!!!!!!! |
b5e0299c | 163 | if(cfdtime->GetRMS()>1.5 ) |
e691fec9 | 164 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); |
165 | if(cfdtime->GetRMS()<=1.5) | |
166 | { | |
167 | meancfdtime = cfdtime->GetMean(); | |
168 | sigmacfdtime = cfdtime->GetRMS(); | |
169 | } | |
dd92f5b8 | 170 | Int_t maxBin = cfdtime->GetMaximumBin(); |
171 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
172 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 173 | } |
dd92f5b8 | 174 | else |
175 | { | |
176 | ok=false; | |
177 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); | |
178 | } | |
1e7108ce | 179 | } |
1e7108ce | 180 | SetTimeEq(i,meandiff); |
181 | SetTimeEqRms(i,sigmadiff); | |
182 | SetCFDvalue(i,0,meancfdtime); | |
1e7108ce | 183 | if (cfd) delete cfd; |
184 | if (cfdtime) delete cfdtime; | |
dd92f5b8 | 185 | |
1e7108ce | 186 | } |
187 | TH1F *ver = (TH1F*) gFile->Get("hVertex"); | |
188 | if(!ver) AliWarning("no T0 histogram collected by PHYS DA "); | |
189 | if(ver) { | |
190 | meanver = ver->GetMean(); | |
191 | rmsver = ver->GetRMS(); | |
192 | } | |
193 | SetMeanVertex(meanver); | |
194 | SetRmsVertex(rmsver); | |
195 | ||
196 | gFile->Close(); | |
197 | delete gFile; | |
dd92f5b8 | 198 | |
1e7108ce | 199 | } |
200 | return ok; | |
201 | } | |
202 | ||
203 | //________________________________________________________________ | |
dd92f5b8 | 204 | Bool_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Float_t *cfdvalue, Int_t badpmt) |
1e7108ce | 205 | { |
dd92f5b8 | 206 | // compute offline equalized time |
1e7108ce | 207 | Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime; |
c4ba15c3 | 208 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 209 | Int_t nent=0; |
210 | Bool_t ok=false; | |
bb54f817 | 211 | TH1F *cfddiff = NULL; |
212 | TH1F *cfdtime = NULL; | |
dd92f5b8 | 213 | TObjArray * TzeroObj = NULL; |
bb54f817 | 214 | |
c4ba15c3 | 215 | gFile = TFile::Open(filePhys); |
1e7108ce | 216 | if(!gFile) { |
217 | AliError("No input PHYS data found "); | |
612737bb | 218 | return ok; |
1e7108ce | 219 | } |
220 | else | |
221 | { | |
e691fec9 | 222 | meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0; |
1e7108ce | 223 | ok=true; |
612737bb | 224 | TDirectory *dr = (TDirectory*) gFile->Get("T0Calib"); |
dd92f5b8 | 225 | /* if (!dr ) { AliError("No input T0calib found "); |
226 | ok=false; | |
612737bb | 227 | return ok; |
dd92f5b8 | 228 | } */ |
229 | if (dr) TzeroObj = (TObjArray*) dr->Get("T0Calib"); | |
bb54f817 | 230 | |
612737bb | 231 | for (Int_t i=0; i<24; i++) |
1e7108ce | 232 | { |
b5e0299c | 233 | if (i != badpmt) { |
bb54f817 | 234 | if(TzeroObj) { |
235 | cfddiff = (TH1F*)TzeroObj->FindObject(Form("CFD1minCFD%d",i+1)); | |
236 | cfdtime = (TH1F*)TzeroObj->FindObject(Form("CFD1minCFD%d",i+1)); | |
237 | } | |
238 | else | |
239 | { | |
dd92f5b8 | 240 | cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1)); |
241 | cfdtime = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1)); | |
bb54f817 | 242 | } |
dd92f5b8 | 243 | if(!cfddiff || !cfdtime) { |
244 | AliWarning(Form("no histograms collected by pass0 for channel %i", i)); | |
245 | ok=false; | |
246 | delete gFile; | |
247 | return ok; | |
248 | } | |
249 | if(cfddiff) { | |
e691fec9 | 250 | nent = Int_t(cfddiff->GetEntries()); |
9b931891 | 251 | if(nent>500 ) { //!!!!! |
612737bb | 252 | if(cfddiff->GetRMS()>1.5 ) |
e691fec9 | 253 | GetMeanAndSigma(cfddiff, meandiff, sigmadiff); |
254 | if(cfddiff->GetRMS()<=1.5) | |
255 | { | |
256 | meandiff = cfddiff->GetMean(); | |
257 | sigmadiff = cfddiff->GetRMS(); | |
258 | } | |
657abde7 | 259 | Int_t maxBin = cfddiff->GetMaximumBin(); |
260 | Double_t meanEstimate = cfddiff->GetBinCenter( maxBin); | |
261 | if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; | |
e691fec9 | 262 | |
370867d2 | 263 | } |
264 | else | |
f824d160 | 265 | { |
266 | ok=false; | |
e691fec9 | 267 | AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent)); |
f824d160 | 268 | } |
e691fec9 | 269 | } |
bb54f817 | 270 | |
1e7108ce | 271 | if(cfdtime) { |
e691fec9 | 272 | nent = Int_t(cfdtime->GetEntries()); |
9b931891 | 273 | if(nent>500 ) { //!!!!! |
b5e0299c | 274 | if(cfdtime->GetRMS()>1.5 ) |
e691fec9 | 275 | GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime); |
276 | if(cfdtime->GetRMS()<=1.5) | |
277 | { | |
278 | meancfdtime = cfdtime->GetMean(); | |
279 | sigmacfdtime=cfdtime->GetRMS(); | |
280 | } | |
657abde7 | 281 | Int_t maxBin = cfdtime->GetMaximumBin(); |
282 | Double_t meanEstimate = cfdtime->GetBinCenter( maxBin); | |
283 | if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; | |
1e7108ce | 284 | } |
e691fec9 | 285 | else |
286 | { | |
1e7108ce | 287 | ok=false; |
e691fec9 | 288 | AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent)); |
1e7108ce | 289 | } |
eef60a6a | 290 | } |
bb54f817 | 291 | |
b5e0299c | 292 | SetTimeEq(i,timecdb[i] + meandiff); |
1e7108ce | 293 | SetTimeEqRms(i,sigmadiff); |
593a6aab | 294 | SetCFDvalue(i,0,cfdvalue[i] ); |
bb54f817 | 295 | if (cfddiff) cfddiff->Reset(); |
296 | if (cfdtime) cfdtime->Reset(); | |
b5e0299c | 297 | } //bad pmt |
6318dd46 | 298 | } |
6318dd46 | 299 | |
300 | gFile->Close(); | |
301 | delete gFile; | |
02888358 | 302 | |
6318dd46 | 303 | } |
02888358 | 304 | return ok; |
e691fec9 | 305 | } |
a2ad8166 | 306 | |
1e7108ce | 307 | //________________________________________________________________________ |
308 | void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) { | |
612737bb | 309 | |
310 | const double window = 2.; //fit window | |
311 | ||
1e7108ce | 312 | double meanEstimate, sigmaEstimate; |
313 | int maxBin; | |
314 | maxBin = hist->GetMaximumBin(); //position of maximum | |
315 | meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum | |
316 | sigmaEstimate = hist->GetRMS(); | |
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 |