Minor changes to SSD QA (Panos)
[u/mrichter/AliRoot.git] / PHOS / AliPHOSPreprocessor.cxx
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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
47ClassImp(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//_______________________________________________________________________________________
57AliPHOSPreprocessor::AliPHOSPreprocessor() :
81587b1e 58AliPreprocessor("PHS",0)
1ab07e55 59{
60 //default constructor
61}
62
63//_______________________________________________________________________________________
81587b1e 64AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
65AliPreprocessor("PHS",shuttle)
1ab07e55 66{
67 // Constructor
ce2c6758 68
69 AddRunType("PHYSICS");
71eef542 70 AddRunType("LED");
1ab07e55 71}
72
73//_______________________________________________________________________________________
74UInt_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
105Bool_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
191Float_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
235Bool_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++) {
9f43d7da 248
5db29457 249 AliPHOSEmcBadChannelsMap badMap;
250 list = GetFileSources(system[i], "BAD_CHANNELS");
9f43d7da 251
5db29457 252 if(!list) {
253 Log(Form("%s sources list for BAD_CHANNELS not found!",sysn[i]));
254 result[i] = kFALSE;
255 continue;
256 }
9f43d7da 257
5db29457 258 if(!list->GetEntries()) {
259 Log(Form("Got empty sources list. It seems %s DA2 did not produce any files!",sysn[i]));
260 result[i] = kFALSE;
261 continue;
262 }
263
264 result[i] *= DoFindBadChannelsEmc(system[i],list,badMap);
265
266 // Store the bad channels map.
267
268 AliCDBMetaData md;
269 md.SetResponsible("Boris Polishchuk");
270
271 if(system[i] == kDAQ)
272 path = "Calib";
273 else
274 path = "HLT";
275
27bf4542 276 // Data valid from current run until being updated (validityInfinite=kTRUE)
277 result[i] *= Store(path.Data(), "EmcBadChannels", &badMap, &md, 0, kTRUE);
5db29457 278
9f43d7da 279 }
5db29457 280
281 if(result[0] || result[1]) return kTRUE;
282 else return kFALSE;
283}
284
285Bool_t AliPHOSPreprocessor::DoFindBadChannelsEmc(Int_t system, TList* list, AliPHOSEmcBadChannelsMap& badMap)
286{
287 //Creates the bad channels map for PHOS EMC.
288
289 // The file fileName contains histograms which have been produced by DA2 detector algorithm.
290 // It is a responsibility of the SHUTTLE framework to form the fileName.
9f43d7da 291
292 TIter iter(list);
293 TObjString *source;
294 char hnam[80];
295 TH1F* h1=0;
296
297 const Float_t fQualityCut = 1.;
298 Int_t nGoods[5] = {0,0,0,0,0};
299
300 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
301
302 AliInfo(Form("found source %s", source->String().Data()));
303
5db29457 304 TString fileName = GetFile(system, "BAD_CHANNELS", source->GetName());
9f43d7da 305 AliInfo(Form("Got filename: %s",fileName.Data()));
306
307 TFile f(fileName);
308
309 if(!f.IsOpen()) {
310 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
311 return kFALSE;
312 }
7708b003 313
5eccbe19 314 Log(Form("Begin check for bad channels."));
7708b003 315
9f43d7da 316 for(Int_t mod=0; mod<5; mod++) {
317 for(Int_t iX=0; iX<64; iX++) {
318 for(Int_t iZ=0; iZ<56; iZ++) {
5eccbe19 319
9f43d7da 320 sprintf(hnam,"%d_%d_%d_%d",mod,iX,iZ,1); // high gain
321 h1 = (TH1F*)f.Get(hnam);
322
323 if(h1) {
324 Double_t mean = h1->GetMean();
325
326 if(mean)
327 Log(Form("iX=%d iZ=%d gain=%d mean=%.3f\n",iX,iZ,1,mean));
328
329 if( mean>0 && mean<fQualityCut ) {
330 nGoods[mod]++;
331 }
332 else
333 badMap.SetBadChannel(mod+1,iZ+1,iX+1); //module, col,row
334 }
335
336 }
337 }
338
339 if(nGoods[mod])
340 Log(Form("Module %d: %d good channels.",mod,nGoods[mod]));
341 }
342
343
344 } // end of loop over sources
345
5db29457 346 return kTRUE;
9f43d7da 347}
348
349Bool_t AliPHOSPreprocessor::CalibrateEmc()
350{
5db29457 351 //Loop over two systems: DAQ and HLT.
352 //For each system the same algorithm implemented in DoCalibrateEmc() invokes.
9f43d7da 353
dd7c100d 354 AliPHOSEmcCalibData* lastCalib=0;
5db29457 355 const AliPHOSEmcBadChannelsMap* badMap=0;
356 AliCDBEntry* entryBCM=0;
dd7c100d 357 AliCDBEntry* entryEmc=0;
5db29457 358 TList* list=0;
359 TString path;
360
361 Int_t system[2] = { kDAQ, kHLT };
362 const char* sysn[] = { "DAQ","HLT" };
363 Bool_t result[2] = { kTRUE, kTRUE };
eba66a50 364
5db29457 365 for (Int_t i=0; i<2; i++) {
366
367 AliPHOSEmcCalibData calibData;
368 list = GetFileSources(system[i], "AMPLITUDES");
9f43d7da 369
5db29457 370 if(!list) {
371 Log(Form("%s sources list not found!",sysn[i]));
372 result[i] = kFALSE;
373 continue;
374 }
375
376 if(!list->GetEntries()) {
377 Log(Form("Got empty sources list. It seems %s DA1 did not produce any files!",sysn[i]));
378 result[i] = kFALSE;
379 continue;
380 }
381
382 // Retrieve the Bad Channels Map (BCM)
383
384 if(system[i] == kDAQ)
385 path = "Calib";
386 else
387 path = "HLT";
9f43d7da 388
5db29457 389 entryBCM = GetFromOCDB(path.Data(), "EmcBadChannels");
1ab07e55 390
5db29457 391 if(!entryBCM)
392 Log(Form("WARNING!! Cannot find any AliCDBEntry for [%s, EmcBadChannels]!",path.Data()));
393 else
394 badMap = (AliPHOSEmcBadChannelsMap*)entryBCM->GetObject();
395
396 if(!badMap)
397 Log(Form("WARNING!! Nothing for %s in AliCDBEntry. All cells considered GOOD!",sysn[i]));
398
dd7c100d 399 // Retrieve the last EMC calibration object
400
401 entryEmc = GetFromOCDB(path.Data(), "EmcGainPedestals");
402
403 if(!entryEmc)
404 Log(Form("Cannot find any EmcGainPedestals entry for this run and path %s",path.Data()));
405 else
406 lastCalib = (AliPHOSEmcCalibData*)entryEmc->GetObject();
407
408 if(lastCalib)
409 result[i] *= DoCalibrateEmc(system[i],list,badMap,*lastCalib);
410 else
411 result[i] *= DoCalibrateEmc(system[i],list,badMap,calibData);
5db29457 412
413 //Store EMC calibration data
414
415 AliCDBMetaData emcMetaData;
dd7c100d 416
417 if(lastCalib)
27bf4542 418 result[i] *= Store(path.Data(), "EmcGainPedestals", lastCalib, &emcMetaData, 0, kTRUE);
dd7c100d 419 else
27bf4542 420 result[i] *= Store(path.Data(), "EmcGainPedestals", &calibData, &emcMetaData, 0, kTRUE);
dd7c100d 421
9f43d7da 422 }
5db29457 423
424 if(result[0] || result[1]) return kTRUE;
425 else return kFALSE;
426}
9f43d7da 427
30a0d5a2 428
5db29457 429Bool_t AliPHOSPreprocessor::DoCalibrateEmc(Int_t system, TList* list, const AliPHOSEmcBadChannelsMap* badMap, AliPHOSEmcCalibData& calibData)
430{
431 // Return kTRUE if OK.
432 // I. Calculates the set of calibration coefficients to equalyze the mean energies deposited at high gain.
433 // II. Extracts High_Gain/Low_Gain ratio for each channel.
30a0d5a2 434
5db29457 435 // The file fileName contains histograms which have been produced by DA1 detector algorithm.
436 // It is a responsibility of the SHUTTLE framework to form the fileName.
30a0d5a2 437
5db29457 438 gRandom->SetSeed(0); //the seed is set to the current machine clock!
dd7c100d 439 Int_t minEntries=100; // recalculate calibration coeff. if Nentries > minEntries.
30a0d5a2 440
516e7ab3 441 TIter iter(list);
442 TObjString *source;
3c0265c1 443
516e7ab3 444 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
445 AliInfo(Form("found source %s", source->String().Data()));
f97eb136 446
5db29457 447 TString fileName = GetFile(system, "AMPLITUDES", source->GetName());
516e7ab3 448 AliInfo(Form("Got filename: %s",fileName.Data()));
f97eb136 449
516e7ab3 450 TFile f(fileName);
f97eb136 451
516e7ab3 452 if(!f.IsOpen()) {
453 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
5db29457 454 return kFALSE;
516e7ab3 455 }
9f43d7da 456
516e7ab3 457 const Int_t nMod=5; // 1:5 modules
458 const Int_t nCol=56; //1:56 columns in each module
459 const Int_t nRow=64; //1:64 rows in each module
460
461 Double_t coeff;
462 char hnam[80];
450717bc 463 TH2F* h2=0;
464 TH1D* h1=0;
3c0265c1 465
516e7ab3 466 //Get the reference histogram
467 //(author: Gustavo Conesa Balbastre)
468
469 TList * keylist = f.GetListOfKeys();
470 Int_t nkeys = f.GetNkeys();
471 Bool_t ok = kFALSE;
472 TKey *key;
516e7ab3 473 Int_t ikey = 0;
474 Int_t counter = 0;
450717bc 475 TH1D* hRef = 0;
476
516e7ab3 477 //Check if the file contains any histogram
478
479 if(nkeys< 2){
480 Log(Form("Not enough histograms (%d) for calibration.",nkeys));
4a7b5a26 481 return 1; // it's not fatal! May be short run..
f97eb136 482 }
450717bc 483
516e7ab3 484 while(!ok){
485 ikey = gRandom->Integer(nkeys);
486 key = (TKey*)keylist->At(ikey);
450717bc 487 TObject* obj = f.Get(key->GetName());
488 TString cname(obj->ClassName());
489 if(cname == "TH2F") {
490 h2 = (TH2F*)obj;
491 TString htitl = h2->GetTitle();
492 if(htitl.Contains("and gain 1")) {
493 hRef = h2->ProjectionX();
dd7c100d 494 hRef->GetXaxis()->SetRangeUser(10.,1000.); // to cut off saturation peak and noise
450717bc 495 // Check if the reference histogram has too little statistics
dd7c100d 496 if(hRef->GetMean() && hRef->GetEntries()>minEntries) ok=kTRUE;
30a0d5a2 497
498 const TString delim = "_";
499 TString str = hRef->GetName();
500 TObjArray* tks = str.Tokenize(delim);
501 const Int_t md = ((TObjString*)tks->At(0))->GetString().Atoi();
502 const Int_t X = ((TObjString*)tks->At(1))->GetString().Atoi();
503 const Int_t Z = ((TObjString*)tks->At(2))->GetString().Atoi();
504
505 if(badMap) {
6d58d316 506 if(badMap->IsBadChannel(5-md,Z+1,X+1)) {
30a0d5a2 507 AliInfo(Form("Cell mod=%d col=%d row=%d is bad. Histogram %s rejected.",
6d58d316 508 5-md,Z+1,X+1,hRef->GetName()));
30a0d5a2 509 ok=kFALSE;
510 }
511 }
512
450717bc 513 }
516e7ab3 514 }
b8093789 515
450717bc 516 counter++;
b8093789 517
518 if(!ok && counter > nkeys){
519 Log("No histogram with enough statistics for reference. Exit.");
4a7b5a26 520 return 1; // Not fatal, just wait..
b8093789 521 }
516e7ab3 522 }
3c0265c1 523
516e7ab3 524 Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
525 hRef->GetName(),hRef->GetEntries(),
526 hRef->GetMean(),hRef->GetRMS()));
527
528 Double_t refMean=hRef->GetMean();
3c0265c1 529
516e7ab3 530 // Calculates relative calibration coefficients for all non-zero channels
3c0265c1 531
516e7ab3 532 for(Int_t mod=0; mod<nMod; mod++) {
533 for(Int_t col=0; col<nCol; col++) {
534 for(Int_t row=0; row<nRow; row++) {
450717bc 535
536 sprintf(hnam,"%d_%d_%d_1",mod,row,col); // high gain!
537 h2 = (TH2F*)f.Get(hnam);
4a7b5a26 538
516e7ab3 539 //TODO: dead channels exclusion!
450717bc 540 if(h2) {
541 h1 = h2->ProjectionX();
dd7c100d 542 h1->GetXaxis()->SetRangeUser(10.,1000.); //to cut off saturation peak and noise
450717bc 543 coeff = h1->GetMean()/refMean;
dd7c100d 544 if(coeff>0 && h1->GetEntries()>minEntries) {
6d58d316 545 calibData.SetADCchannelEmc(5-mod,col+1,row+1,0.005/coeff);
dd7c100d 546 AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
547 }
516e7ab3 548 }
1ab07e55 549 }
1ab07e55 550 }
551 }
516e7ab3 552
553 f.Close();
1ab07e55 554 }
516e7ab3 555
5db29457 556 return 1;
1ab07e55 557}
450717bc 558
9f43d7da 559
450717bc 560