]>
Commit | Line | Data |
---|---|---|
1ab07e55 | 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 | // PHOS Preprocessor class. It runs by Shuttle at the end of the run, | |
20 | // calculates calibration coefficients and dead/bad channels | |
21 | // to be posted in OCDB | |
22 | // | |
23 | // Author: Boris Polichtchouk, 4 October 2006 | |
24 | /////////////////////////////////////////////////////////////////////////////// | |
25 | ||
26 | #include "AliPHOSPreprocessor.h" | |
27 | #include "AliLog.h" | |
28 | #include "AliCDBMetaData.h" | |
30a0d5a2 | 29 | #include "AliCDBEntry.h" |
1ab07e55 | 30 | #include "AliPHOSEmcCalibData.h" |
31 | #include "TFile.h" | |
32 | #include "TH1.h" | |
450717bc | 33 | #include "TF1.h" |
34 | #include "TH2.h" | |
1ab07e55 | 35 | #include "TMap.h" |
36 | #include "TRandom.h" | |
f97eb136 | 37 | #include "TKey.h" |
516e7ab3 | 38 | #include "TList.h" |
39 | #include "TObjString.h" | |
30a0d5a2 | 40 | #include "TObjArray.h" |
450717bc | 41 | #include "TObject.h" |
42 | #include "TString.h" | |
43 | #include "TMath.h" | |
306e5917 | 44 | #include "TAxis.h" |
3c0265c1 | 45 | #include "AliPHOSEmcBadChannelsMap.h" |
1ab07e55 | 46 | |
47 | ClassImp(AliPHOSPreprocessor) | |
48 | ||
450717bc | 49 | Double_t rgaus(Double_t *x, Double_t *par) |
50 | { | |
51 | Double_t gaus = par[0] * TMath::Exp( -(x[0]-par[1])*(x[0]-par[1]) / | |
52 | (2*par[2]*par[2]) ); | |
53 | return gaus; | |
54 | } | |
55 | ||
1ab07e55 | 56 | //_______________________________________________________________________________________ |
57 | AliPHOSPreprocessor::AliPHOSPreprocessor() : | |
81587b1e | 58 | AliPreprocessor("PHS",0) |
1ab07e55 | 59 | { |
60 | //default constructor | |
61 | } | |
62 | ||
63 | //_______________________________________________________________________________________ | |
81587b1e | 64 | AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle): |
65 | AliPreprocessor("PHS",shuttle) | |
1ab07e55 | 66 | { |
67 | // Constructor | |
ce2c6758 | 68 | |
69 | AddRunType("PHYSICS"); | |
71eef542 | 70 | AddRunType("LED"); |
1ab07e55 | 71 | } |
72 | ||
73 | //_______________________________________________________________________________________ | |
74 | UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/) | |
75 | { | |
76 | // process data retrieved by the Shuttle | |
516e7ab3 | 77 | |
3c0265c1 | 78 | TString runType = GetRunType(); |
79 | Log(Form("Run type: %s",runType.Data())); | |
80 | ||
71eef542 | 81 | if(runType=="LED") { |
eba66a50 | 82 | Bool_t ledOK = ProcessLEDRun(); |
4a7b5a26 | 83 | Bool_t badmap_OK = FindBadChannelsEmc(); |
84 | if(!badmap_OK) Log(Form("WARNING! FindBadChannels() completed with BAD status!")); | |
eba66a50 | 85 | if(ledOK) return 0; |
86 | else | |
87 | return 1; | |
88 | } | |
9f43d7da | 89 | |
90 | if(runType=="PHYSICS") { | |
91 | ||
9f43d7da | 92 | Bool_t calibEmc_OK = CalibrateEmc(); |
5db29457 | 93 | |
4a7b5a26 | 94 | if(calibEmc_OK) return 0; |
9f43d7da | 95 | else |
96 | return 1; | |
97 | } | |
98 | ||
99 | Log(Form("Unknown run type %s. Do nothing and return OK.",runType.Data())); | |
100 | return 0; | |
101 | ||
102 | } | |
103 | ||
104 | ||
105 | Bool_t AliPHOSPreprocessor::ProcessLEDRun() | |
106 | { | |
12661472 | 107 | //Process LED run, update High Gain/Low Gain ratios. |
9f43d7da | 108 | |
12661472 | 109 | AliPHOSEmcCalibData calibData; |
9f43d7da | 110 | |
111 | TList* list = GetFileSources(kDAQ, "LED"); | |
112 | if(!list) { | |
113 | Log("Sources list for LED run not found, exit."); | |
114 | return kFALSE; | |
115 | } | |
116 | ||
12661472 | 117 | if(!list->GetEntries()) { |
118 | Log("Sources list for LED run is empty, exit."); | |
119 | return kFALSE; | |
120 | } | |
121 | ||
122 | //Retrieve the last EMC calibration object | |
123 | const AliPHOSEmcCalibData* clb=0; | |
124 | AliCDBEntry* entryCalib = GetFromOCDB("Calib", "EmcGainPedestals"); | |
125 | ||
126 | if(!entryCalib) | |
127 | Log(Form("Cannot find any AliCDBEntry for [Calib, EmcGainPedestals]!")); | |
128 | else | |
129 | clb = (AliPHOSEmcCalibData*)entryCalib->GetObject(); | |
130 | ||
9f43d7da | 131 | TIter iter(list); |
132 | TObjString *source; | |
9f43d7da | 133 | |
134 | while ((source = dynamic_cast<TObjString *> (iter.Next()))) { | |
12661472 | 135 | |
9f43d7da | 136 | AliInfo(Form("found source %s", source->String().Data())); |
137 | ||
138 | TString fileName = GetFile(kDAQ, "LED", source->GetName()); | |
139 | AliInfo(Form("Got filename: %s",fileName.Data())); | |
140 | ||
141 | TFile f(fileName); | |
142 | ||
143 | if(!f.IsOpen()) { | |
144 | Log(Form("File %s is not opened, something goes wrong!",fileName.Data())); | |
145 | return kFALSE; | |
146 | } | |
5eccbe19 | 147 | |
7708b003 | 148 | TH1I* fFiredCells = (TH1I*)f.Get("fFiredCells"); |
5eccbe19 | 149 | |
150 | if(fFiredCells) { | |
7708b003 | 151 | const Double_t nFiredCells = fFiredCells->GetMean(); |
5eccbe19 | 152 | Log(Form("Number of fired cells per event is %.1f",nFiredCells)); |
7708b003 | 153 | } |
5eccbe19 | 154 | |
9f43d7da | 155 | const Int_t nMod=5; // 1:5 modules |
156 | const Int_t nCol=56; //1:56 columns in each module | |
157 | const Int_t nRow=64; //1:64 rows in each module | |
12661472 | 158 | |
9f43d7da | 159 | for(Int_t mod=0; mod<nMod; mod++) { |
160 | for(Int_t col=0; col<nCol; col++) { | |
161 | for(Int_t row=0; row<nRow; row++) { | |
a60e0e07 | 162 | |
163 | if(clb) { | |
0aa96a7a | 164 | Float_t hg2lg = clb->GetHighLowRatioEmc(5-mod,col+1,row+1); |
165 | Double_t coeff = clb->GetADCchannelEmc(5-mod,col+1,row+1); | |
166 | calibData.SetADCchannelEmc(5-mod,col+1,row+1,coeff); | |
167 | calibData.SetHighLowRatioEmc(5-mod,col+1,row+1,hg2lg); | |
a60e0e07 | 168 | } |
169 | ||
7708b003 | 170 | //High Gain to Low Gain ratio |
5eccbe19 | 171 | Float_t ratio = HG2LG(mod,row,col,&f); |
6d58d316 | 172 | if(ratio != 16.) { |
173 | calibData.SetHighLowRatioEmc(5-mod,col+1,row+1,ratio); | |
5eccbe19 | 174 | AliInfo(Form("mod %d iX %d iZ %d ratio %.3f\n",mod,row,col,ratio)); |
6d58d316 | 175 | } |
9f43d7da | 176 | } |
177 | } | |
178 | } | |
179 | ||
12661472 | 180 | } // end of loop over files |
9f43d7da | 181 | |
4a7b5a26 | 182 | //Store the updated High Gain/Low Gain ratios |
12661472 | 183 | AliCDBMetaData emcMetaData; |
9f43d7da | 184 | |
27bf4542 | 185 | //Data valid from current run until updated (validityInfinite=kTRUE) |
186 | Bool_t result = Store("Calib","EmcGainPedestals",&calibData,&emcMetaData,0,kTRUE); | |
9f43d7da | 187 | return result; |
188 | ||
189 | } | |
190 | ||
191 | Float_t AliPHOSPreprocessor::HG2LG(Int_t mod, Int_t X, Int_t Z, TFile* f) | |
192 | { | |
193 | //Calculates High gain to Low gain ratio | |
194 | //for crystal at the position (X,Z) in the PHOS module mod. | |
195 | ||
196 | char hname[128]; | |
197 | sprintf(hname,"%d_%d_%d",mod,X,Z); | |
198 | ||
199 | TH1F* h1 = (TH1F*)f->Get(hname); | |
200 | if(!h1) return 16.; | |
1eff11b2 | 201 | |
6d58d316 | 202 | if(h1->GetEntries()<2000.) return 16.; |
1eff11b2 | 203 | |
ff8d7889 | 204 | if(h1->GetMaximum()<10.) h1->Rebin(4); |
9f43d7da | 205 | if(h1->GetMaximum()<10.) return 16.; |
ff8d7889 | 206 | |
9f43d7da | 207 | Double_t max = h1->GetBinCenter(h1->GetMaximumBin()); // peak |
208 | Double_t xmin = max - (h1->GetRMS()/3); | |
209 | Double_t xmax = max + (h1->GetRMS()/2); | |
210 | // Double_t xmin = max - (h1->GetRMS()); | |
211 | // Double_t xmax = max + (h1->GetRMS()); | |
212 | ||
213 | TF1* gaus1 = new TF1("gaus1",rgaus,xmin,xmax,3); | |
214 | gaus1->SetParNames("Constant","Mean","Sigma"); | |
215 | gaus1->SetParameter("Constant",h1->GetMaximum()); | |
216 | gaus1->SetParameter("Mean",max); | |
217 | gaus1->SetParameter("Sigma",1.); | |
218 | gaus1->SetLineColor(kBlue); | |
efa56161 | 219 | |
220 | Double_t mean_min = h1->GetXaxis()->GetXmin(); | |
221 | Double_t mean_max = h1->GetXaxis()->GetXmax(); | |
222 | gaus1->SetParLimits(1,mean_min,mean_max); | |
223 | ||
ff8d7889 | 224 | h1->Fit(gaus1,"RQ+"); |
225 | Double_t hg2lg = gaus1->GetParameter("Mean"); | |
226 | if( (hg2lg-mean_min<0.001) || (mean_max-hg2lg<0.001)) hg2lg=max; | |
227 | ||
4d38201a | 228 | AliInfo(Form("%s: %.1f entries, mean=%.3f, peak=%.3f, rms= %.3f. HG/LG = %.3f\n", |
ff8d7889 | 229 | h1->GetTitle(),h1->GetEntries(),h1->GetMean(),max,h1->GetRMS(),hg2lg)); |
9f43d7da | 230 | |
ff8d7889 | 231 | return hg2lg; |
232 | ||
9f43d7da | 233 | } |
234 | ||
235 | Bool_t AliPHOSPreprocessor::FindBadChannelsEmc() | |
236 | { | |
5db29457 | 237 | //Loop over two systems: DAQ and HLT. |
238 | //For each system the same algorithm implemented in DoFindBadChannelsEmc() invokes. | |
9f43d7da | 239 | |
5db29457 | 240 | TList* list=0; |
241 | TString path; | |
242 | ||
243 | Int_t system[2] = { kDAQ, kHLT }; | |
244 | const char* sysn[] = { "DAQ","HLT" }; | |
245 | Bool_t result[2] = { kTRUE, kTRUE }; | |
9f43d7da | 246 | |
5db29457 | 247 | for (Int_t i=0; i<2; i++) { |
e9122c68 | 248 | |
249 | if(system[i] == kHLT) continue; | |
250 | ||
5db29457 | 251 | AliPHOSEmcBadChannelsMap badMap; |
252 | list = GetFileSources(system[i], "BAD_CHANNELS"); | |
9f43d7da | 253 | |
5db29457 | 254 | if(!list) { |
255 | Log(Form("%s sources list for BAD_CHANNELS not found!",sysn[i])); | |
256 | result[i] = kFALSE; | |
257 | continue; | |
258 | } | |
9f43d7da | 259 | |
5db29457 | 260 | if(!list->GetEntries()) { |
261 | Log(Form("Got empty sources list. It seems %s DA2 did not produce any files!",sysn[i])); | |
262 | result[i] = kFALSE; | |
263 | continue; | |
264 | } | |
265 | ||
266 | result[i] *= DoFindBadChannelsEmc(system[i],list,badMap); | |
267 | ||
268 | // Store the bad channels map. | |
269 | ||
270 | AliCDBMetaData md; | |
271 | md.SetResponsible("Boris Polishchuk"); | |
272 | ||
273 | if(system[i] == kDAQ) | |
274 | path = "Calib"; | |
275 | else | |
276 | path = "HLT"; | |
277 | ||
27bf4542 | 278 | // Data valid from current run until being updated (validityInfinite=kTRUE) |
279 | result[i] *= Store(path.Data(), "EmcBadChannels", &badMap, &md, 0, kTRUE); | |
5db29457 | 280 | |
9f43d7da | 281 | } |
5db29457 | 282 | |
283 | if(result[0] || result[1]) return kTRUE; | |
284 | else return kFALSE; | |
285 | } | |
286 | ||
287 | Bool_t AliPHOSPreprocessor::DoFindBadChannelsEmc(Int_t system, TList* list, AliPHOSEmcBadChannelsMap& badMap) | |
288 | { | |
289 | //Creates the bad channels map for PHOS EMC. | |
290 | ||
291 | // The file fileName contains histograms which have been produced by DA2 detector algorithm. | |
292 | // It is a responsibility of the SHUTTLE framework to form the fileName. | |
9f43d7da | 293 | |
294 | TIter iter(list); | |
295 | TObjString *source; | |
296 | char hnam[80]; | |
297 | TH1F* h1=0; | |
298 | ||
299 | const Float_t fQualityCut = 1.; | |
300 | Int_t nGoods[5] = {0,0,0,0,0}; | |
301 | ||
302 | while ((source = dynamic_cast<TObjString *> (iter.Next()))) { | |
303 | ||
304 | AliInfo(Form("found source %s", source->String().Data())); | |
305 | ||
5db29457 | 306 | TString fileName = GetFile(system, "BAD_CHANNELS", source->GetName()); |
9f43d7da | 307 | AliInfo(Form("Got filename: %s",fileName.Data())); |
308 | ||
309 | TFile f(fileName); | |
310 | ||
311 | if(!f.IsOpen()) { | |
312 | Log(Form("File %s is not opened, something goes wrong!",fileName.Data())); | |
313 | return kFALSE; | |
314 | } | |
7708b003 | 315 | |
5eccbe19 | 316 | Log(Form("Begin check for bad channels.")); |
7708b003 | 317 | |
9f43d7da | 318 | for(Int_t mod=0; mod<5; mod++) { |
319 | for(Int_t iX=0; iX<64; iX++) { | |
320 | for(Int_t iZ=0; iZ<56; iZ++) { | |
5eccbe19 | 321 | |
9f43d7da | 322 | sprintf(hnam,"%d_%d_%d_%d",mod,iX,iZ,1); // high gain |
323 | h1 = (TH1F*)f.Get(hnam); | |
324 | ||
325 | if(h1) { | |
326 | Double_t mean = h1->GetMean(); | |
327 | ||
328 | if(mean) | |
329 | Log(Form("iX=%d iZ=%d gain=%d mean=%.3f\n",iX,iZ,1,mean)); | |
330 | ||
331 | if( mean>0 && mean<fQualityCut ) { | |
332 | nGoods[mod]++; | |
333 | } | |
334 | else | |
335 | badMap.SetBadChannel(mod+1,iZ+1,iX+1); //module, col,row | |
336 | } | |
337 | ||
338 | } | |
339 | } | |
340 | ||
341 | if(nGoods[mod]) | |
342 | Log(Form("Module %d: %d good channels.",mod,nGoods[mod])); | |
343 | } | |
344 | ||
345 | ||
346 | } // end of loop over sources | |
347 | ||
5db29457 | 348 | return kTRUE; |
9f43d7da | 349 | } |
350 | ||
351 | Bool_t AliPHOSPreprocessor::CalibrateEmc() | |
352 | { | |
5db29457 | 353 | //Loop over two systems: DAQ and HLT. |
354 | //For each system the same algorithm implemented in DoCalibrateEmc() invokes. | |
9f43d7da | 355 | |
dd7c100d | 356 | AliPHOSEmcCalibData* lastCalib=0; |
5db29457 | 357 | const AliPHOSEmcBadChannelsMap* badMap=0; |
358 | AliCDBEntry* entryBCM=0; | |
dd7c100d | 359 | AliCDBEntry* entryEmc=0; |
5db29457 | 360 | TList* list=0; |
361 | TString path; | |
362 | ||
363 | Int_t system[2] = { kDAQ, kHLT }; | |
364 | const char* sysn[] = { "DAQ","HLT" }; | |
365 | Bool_t result[2] = { kTRUE, kTRUE }; | |
eba66a50 | 366 | |
5db29457 | 367 | for (Int_t i=0; i<2; i++) { |
368 | ||
9bf526d6 | 369 | if(system[i] == kHLT) continue; |
370 | ||
5db29457 | 371 | AliPHOSEmcCalibData calibData; |
372 | list = GetFileSources(system[i], "AMPLITUDES"); | |
9f43d7da | 373 | |
5db29457 | 374 | if(!list) { |
375 | Log(Form("%s sources list not found!",sysn[i])); | |
376 | result[i] = kFALSE; | |
377 | continue; | |
378 | } | |
379 | ||
380 | if(!list->GetEntries()) { | |
381 | Log(Form("Got empty sources list. It seems %s DA1 did not produce any files!",sysn[i])); | |
382 | result[i] = kFALSE; | |
383 | continue; | |
384 | } | |
385 | ||
386 | // Retrieve the Bad Channels Map (BCM) | |
387 | ||
388 | if(system[i] == kDAQ) | |
389 | path = "Calib"; | |
390 | else | |
391 | path = "HLT"; | |
9f43d7da | 392 | |
5db29457 | 393 | entryBCM = GetFromOCDB(path.Data(), "EmcBadChannels"); |
1ab07e55 | 394 | |
5db29457 | 395 | if(!entryBCM) |
396 | Log(Form("WARNING!! Cannot find any AliCDBEntry for [%s, EmcBadChannels]!",path.Data())); | |
397 | else | |
398 | badMap = (AliPHOSEmcBadChannelsMap*)entryBCM->GetObject(); | |
399 | ||
400 | if(!badMap) | |
401 | Log(Form("WARNING!! Nothing for %s in AliCDBEntry. All cells considered GOOD!",sysn[i])); | |
402 | ||
dd7c100d | 403 | // Retrieve the last EMC calibration object |
404 | ||
405 | entryEmc = GetFromOCDB(path.Data(), "EmcGainPedestals"); | |
406 | ||
407 | if(!entryEmc) | |
408 | Log(Form("Cannot find any EmcGainPedestals entry for this run and path %s",path.Data())); | |
409 | else | |
410 | lastCalib = (AliPHOSEmcCalibData*)entryEmc->GetObject(); | |
411 | ||
af1c70b8 | 412 | if(lastCalib) |
413 | result[i] *= DoCalibrateEmc(system[i],list,badMap,*lastCalib); | |
414 | else | |
dd7c100d | 415 | result[i] *= DoCalibrateEmc(system[i],list,badMap,calibData); |
af1c70b8 | 416 | |
5db29457 | 417 | //Store EMC calibration data |
5db29457 | 418 | AliCDBMetaData emcMetaData; |
dd7c100d | 419 | |
420 | if(lastCalib) | |
af1c70b8 | 421 | result[i] *= Store(path.Data(), "EmcGainPedestals", lastCalib, &emcMetaData, 0, kFALSE); |
dd7c100d | 422 | else |
af1c70b8 | 423 | result[i] *= Store(path.Data(), "EmcGainPedestals", &calibData, &emcMetaData, 0, kFALSE); |
424 | ||
425 | //Store reference data | |
d70d764a | 426 | Bool_t refOK = StoreReferenceEmc(system[i],list); |
427 | if(refOK) Log(Form("Reference data for %s amplitudes successfully stored.",sysn[i])); | |
dd7c100d | 428 | |
9f43d7da | 429 | } |
5db29457 | 430 | |
431 | if(result[0] || result[1]) return kTRUE; | |
432 | else return kFALSE; | |
433 | } | |
9f43d7da | 434 | |
d70d764a | 435 | Bool_t AliPHOSPreprocessor::StoreReferenceEmc(Int_t system, TList* list) |
af1c70b8 | 436 | { |
437 | //Put 2D calibration histograms (E vs Time) prepared by DAQ/HLT to the reference storage. | |
438 | //system is DAQ or HLT, TList is the list of FES sources. | |
439 | ||
d70d764a | 440 | if(system!=kDAQ) return kFALSE; |
af1c70b8 | 441 | |
d70d764a | 442 | TObjString *source = dynamic_cast<TObjString *> (list->First()); |
443 | if(!source) return kFALSE; | |
444 | ||
445 | TString fileName = GetFile(system, "AMPLITUDES", source->GetName()); | |
446 | ||
447 | Bool_t resultRef = StoreReferenceFile(fileName.Data(),"CalibRefPHOS.root"); | |
af1c70b8 | 448 | return resultRef; |
449 | ||
450 | } | |
451 | ||
30a0d5a2 | 452 | |
5db29457 | 453 | Bool_t AliPHOSPreprocessor::DoCalibrateEmc(Int_t system, TList* list, const AliPHOSEmcBadChannelsMap* badMap, AliPHOSEmcCalibData& calibData) |
454 | { | |
455 | // Return kTRUE if OK. | |
456 | // I. Calculates the set of calibration coefficients to equalyze the mean energies deposited at high gain. | |
457 | // II. Extracts High_Gain/Low_Gain ratio for each channel. | |
30a0d5a2 | 458 | |
5db29457 | 459 | // The file fileName contains histograms which have been produced by DA1 detector algorithm. |
460 | // It is a responsibility of the SHUTTLE framework to form the fileName. | |
30a0d5a2 | 461 | |
5db29457 | 462 | gRandom->SetSeed(0); //the seed is set to the current machine clock! |
af1c70b8 | 463 | Int_t minEntries=1000; // recalculate calibration coeff. if Nentries > minEntries. |
30a0d5a2 | 464 | |
516e7ab3 | 465 | TIter iter(list); |
466 | TObjString *source; | |
3c0265c1 | 467 | |
516e7ab3 | 468 | while ((source = dynamic_cast<TObjString *> (iter.Next()))) { |
469 | AliInfo(Form("found source %s", source->String().Data())); | |
f97eb136 | 470 | |
5db29457 | 471 | TString fileName = GetFile(system, "AMPLITUDES", source->GetName()); |
516e7ab3 | 472 | AliInfo(Form("Got filename: %s",fileName.Data())); |
f97eb136 | 473 | |
516e7ab3 | 474 | TFile f(fileName); |
f97eb136 | 475 | |
516e7ab3 | 476 | if(!f.IsOpen()) { |
477 | Log(Form("File %s is not opened, something goes wrong!",fileName.Data())); | |
5db29457 | 478 | return kFALSE; |
516e7ab3 | 479 | } |
9f43d7da | 480 | |
516e7ab3 | 481 | const Int_t nMod=5; // 1:5 modules |
482 | const Int_t nCol=56; //1:56 columns in each module | |
483 | const Int_t nRow=64; //1:64 rows in each module | |
484 | ||
485 | Double_t coeff; | |
486 | char hnam[80]; | |
450717bc | 487 | TH2F* h2=0; |
488 | TH1D* h1=0; | |
3c0265c1 | 489 | |
516e7ab3 | 490 | //Get the reference histogram |
491 | //(author: Gustavo Conesa Balbastre) | |
492 | ||
493 | TList * keylist = f.GetListOfKeys(); | |
494 | Int_t nkeys = f.GetNkeys(); | |
495 | Bool_t ok = kFALSE; | |
496 | TKey *key; | |
516e7ab3 | 497 | Int_t ikey = 0; |
498 | Int_t counter = 0; | |
450717bc | 499 | TH1D* hRef = 0; |
500 | ||
516e7ab3 | 501 | //Check if the file contains any histogram |
502 | ||
503 | if(nkeys< 2){ | |
504 | Log(Form("Not enough histograms (%d) for calibration.",nkeys)); | |
4a7b5a26 | 505 | return 1; // it's not fatal! May be short run.. |
f97eb136 | 506 | } |
450717bc | 507 | |
516e7ab3 | 508 | while(!ok){ |
509 | ikey = gRandom->Integer(nkeys); | |
510 | key = (TKey*)keylist->At(ikey); | |
450717bc | 511 | TObject* obj = f.Get(key->GetName()); |
512 | TString cname(obj->ClassName()); | |
513 | if(cname == "TH2F") { | |
514 | h2 = (TH2F*)obj; | |
515 | TString htitl = h2->GetTitle(); | |
516 | if(htitl.Contains("and gain 1")) { | |
517 | hRef = h2->ProjectionX(); | |
dd7c100d | 518 | hRef->GetXaxis()->SetRangeUser(10.,1000.); // to cut off saturation peak and noise |
450717bc | 519 | // Check if the reference histogram has too little statistics |
dd7c100d | 520 | if(hRef->GetMean() && hRef->GetEntries()>minEntries) ok=kTRUE; |
30a0d5a2 | 521 | |
522 | const TString delim = "_"; | |
523 | TString str = hRef->GetName(); | |
524 | TObjArray* tks = str.Tokenize(delim); | |
525 | const Int_t md = ((TObjString*)tks->At(0))->GetString().Atoi(); | |
526 | const Int_t X = ((TObjString*)tks->At(1))->GetString().Atoi(); | |
527 | const Int_t Z = ((TObjString*)tks->At(2))->GetString().Atoi(); | |
528 | ||
529 | if(badMap) { | |
6d58d316 | 530 | if(badMap->IsBadChannel(5-md,Z+1,X+1)) { |
30a0d5a2 | 531 | AliInfo(Form("Cell mod=%d col=%d row=%d is bad. Histogram %s rejected.", |
6d58d316 | 532 | 5-md,Z+1,X+1,hRef->GetName())); |
30a0d5a2 | 533 | ok=kFALSE; |
534 | } | |
535 | } | |
536 | ||
450717bc | 537 | } |
516e7ab3 | 538 | } |
b8093789 | 539 | |
450717bc | 540 | counter++; |
b8093789 | 541 | |
542 | if(!ok && counter > nkeys){ | |
543 | Log("No histogram with enough statistics for reference. Exit."); | |
4a7b5a26 | 544 | return 1; // Not fatal, just wait.. |
b8093789 | 545 | } |
516e7ab3 | 546 | } |
3c0265c1 | 547 | |
516e7ab3 | 548 | Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.", |
549 | hRef->GetName(),hRef->GetEntries(), | |
550 | hRef->GetMean(),hRef->GetRMS())); | |
551 | ||
552 | Double_t refMean=hRef->GetMean(); | |
3c0265c1 | 553 | |
516e7ab3 | 554 | // Calculates relative calibration coefficients for all non-zero channels |
3c0265c1 | 555 | |
516e7ab3 | 556 | for(Int_t mod=0; mod<nMod; mod++) { |
557 | for(Int_t col=0; col<nCol; col++) { | |
558 | for(Int_t row=0; row<nRow; row++) { | |
450717bc | 559 | |
560 | sprintf(hnam,"%d_%d_%d_1",mod,row,col); // high gain! | |
561 | h2 = (TH2F*)f.Get(hnam); | |
4a7b5a26 | 562 | |
516e7ab3 | 563 | //TODO: dead channels exclusion! |
450717bc | 564 | if(h2) { |
565 | h1 = h2->ProjectionX(); | |
dd7c100d | 566 | h1->GetXaxis()->SetRangeUser(10.,1000.); //to cut off saturation peak and noise |
450717bc | 567 | coeff = h1->GetMean()/refMean; |
dd7c100d | 568 | if(coeff>0 && h1->GetEntries()>minEntries) { |
6d58d316 | 569 | calibData.SetADCchannelEmc(5-mod,col+1,row+1,0.005/coeff); |
dd7c100d | 570 | AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff)); |
571 | } | |
516e7ab3 | 572 | } |
1ab07e55 | 573 | } |
1ab07e55 | 574 | } |
575 | } | |
516e7ab3 | 576 | |
577 | f.Close(); | |
1ab07e55 | 578 | } |
516e7ab3 | 579 | |
5db29457 | 580 | return 1; |
1ab07e55 | 581 | } |
450717bc | 582 | |
9f43d7da | 583 | |
450717bc | 584 |