1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
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
23 // Author: Boris Polichtchouk, 4 October 2006
24 ///////////////////////////////////////////////////////////////////////////////
26 #include "AliPHOSPreprocessor.h"
28 #include "AliCDBMetaData.h"
29 #include "AliCDBEntry.h"
30 #include "AliPHOSEmcCalibData.h"
39 #include "TObjString.h"
40 #include "TObjArray.h"
45 #include "AliPHOSEmcBadChannelsMap.h"
47 ClassImp(AliPHOSPreprocessor)
49 Double_t rgaus(Double_t *x, Double_t *par)
51 Double_t gaus = par[0] * TMath::Exp( -(x[0]-par[1])*(x[0]-par[1]) /
56 //_______________________________________________________________________________________
57 AliPHOSPreprocessor::AliPHOSPreprocessor() :
58 AliPreprocessor("PHS",0)
63 //_______________________________________________________________________________________
64 AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
65 AliPreprocessor("PHS",shuttle)
69 AddRunType("PHYSICS");
70 AddRunType("STANDALONE");
73 //_______________________________________________________________________________________
74 UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
76 // process data retrieved by the Shuttle
78 TString runType = GetRunType();
79 Log(Form("Run type: %s",runType.Data()));
81 if(runType=="STANDALONE") {
82 Bool_t ledOK = ProcessLEDRun();
88 if(runType=="PHYSICS") {
90 Bool_t badmap_OK = FindBadChannelsEmc();
91 if(!badmap_OK) Log(Form("WARNING!! FindBadChannels() completed with BAD status!"));
93 Bool_t calibEmc_OK = CalibrateEmc();
95 if(calibEmc_OK && badmap_OK) return 0;
100 Log(Form("Unknown run type %s. Do nothing and return OK.",runType.Data()));
106 Bool_t AliPHOSPreprocessor::ProcessLEDRun()
108 //Process LED run, fill bad channels map.
110 AliPHOSEmcBadChannelsMap badMap;
112 TList* list = GetFileSources(kDAQ, "LED");
114 Log("Sources list for LED run not found, exit.");
123 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
125 AliInfo(Form("found source %s", source->String().Data()));
127 TString fileName = GetFile(kDAQ, "LED", source->GetName());
128 AliInfo(Form("Got filename: %s",fileName.Data()));
133 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
137 const Int_t nMod=5; // 1:5 modules
138 const Int_t nCol=56; //1:56 columns in each module
139 const Int_t nRow=64; //1:64 rows in each module
141 // Check for dead channels
142 Log(Form("Begin check for dead channels."));
144 for(Int_t mod=0; mod<nMod; mod++) {
145 for(Int_t col=0; col<nCol; col++) {
146 for(Int_t row=0; row<nRow; row++) {
147 sprintf(hnam,"mod%dcol%drow%d",mod,col,row);
148 histo = (TH1F*)f.Get(hnam);
150 if (histo->GetMean()<1) {
151 Log(Form("Channel: [%d,%d,%d] seems dead, <E>=%.1f.",mod,col,row,histo->GetMean()));
152 badMap.SetBadChannel(mod,col,row);
160 //Store bad channels map
161 AliCDBMetaData badMapMetaData;
163 //Bad channels data valid from current run fRun until updated (validityInfinite=kTRUE)
164 Bool_t result = Store("Calib", "EmcBadChannels", &badMap, &badMapMetaData, fRun, kTRUE);
169 Float_t AliPHOSPreprocessor::HG2LG(Int_t mod, Int_t X, Int_t Z, TFile* f)
171 //Calculates High gain to Low gain ratio
172 //for crystal at the position (X,Z) in the PHOS module mod.
175 sprintf(hname,"%d_%d_%d",mod,X,Z);
177 TH1F* h1 = (TH1F*)f->Get(hname);
180 if(!h1->GetEntries()) return 16.;
181 if(h1->GetMaximum()<10.) return 16.;
183 Double_t max = h1->GetBinCenter(h1->GetMaximumBin()); // peak
184 Double_t xmin = max - (h1->GetRMS()/3);
185 Double_t xmax = max + (h1->GetRMS()/2);
186 // Double_t xmin = max - (h1->GetRMS());
187 // Double_t xmax = max + (h1->GetRMS());
189 TF1* gaus1 = new TF1("gaus1",rgaus,xmin,xmax,3);
190 gaus1->SetParNames("Constant","Mean","Sigma");
191 gaus1->SetParameter("Constant",h1->GetMaximum());
192 gaus1->SetParameter("Mean",max);
193 gaus1->SetParameter("Sigma",1.);
194 gaus1->SetLineColor(kBlue);
195 h1->Fit(gaus1,"LERQ+");
197 AliInfo(Form("%s: %d entries, mean=%.3f, peak=%.3f, rms= %.3f. HG/LG = %.3f\n",
198 h1->GetTitle(),h1->GetEntries(),h1->GetMean(),max,h1->GetRMS(),
199 gaus1->GetParameter("Mean")));
201 return gaus1->GetParameter("Mean");
205 Bool_t AliPHOSPreprocessor::FindBadChannelsEmc()
207 //Loop over two systems: DAQ and HLT.
208 //For each system the same algorithm implemented in DoFindBadChannelsEmc() invokes.
213 Int_t system[2] = { kDAQ, kHLT };
214 const char* sysn[] = { "DAQ","HLT" };
215 Bool_t result[2] = { kTRUE, kTRUE };
217 for (Int_t i=0; i<2; i++) {
219 AliPHOSEmcBadChannelsMap badMap;
220 list = GetFileSources(system[i], "BAD_CHANNELS");
223 Log(Form("%s sources list for BAD_CHANNELS not found!",sysn[i]));
228 if(!list->GetEntries()) {
229 Log(Form("Got empty sources list. It seems %s DA2 did not produce any files!",sysn[i]));
234 result[i] *= DoFindBadChannelsEmc(system[i],list,badMap);
236 // Store the bad channels map.
239 md.SetResponsible("Boris Polishchuk");
241 if(system[i] == kDAQ)
246 // Data valid from current run fRun until being updated (validityInfinite=kTRUE)
247 result[i] *= Store(path.Data(), "EmcBadChannels", &badMap, &md, fRun, kTRUE);
251 if(result[0] || result[1]) return kTRUE;
255 Bool_t AliPHOSPreprocessor::DoFindBadChannelsEmc(Int_t system, TList* list, AliPHOSEmcBadChannelsMap& badMap)
257 //Creates the bad channels map for PHOS EMC.
259 // The file fileName contains histograms which have been produced by DA2 detector algorithm.
260 // It is a responsibility of the SHUTTLE framework to form the fileName.
267 const Float_t fQualityCut = 1.;
268 Int_t nGoods[5] = {0,0,0,0,0};
270 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
272 AliInfo(Form("found source %s", source->String().Data()));
274 TString fileName = GetFile(system, "BAD_CHANNELS", source->GetName());
275 AliInfo(Form("Got filename: %s",fileName.Data()));
280 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
284 Log(Form("Begin check for bad channels."));
286 for(Int_t mod=0; mod<5; mod++) {
287 for(Int_t iX=0; iX<64; iX++) {
288 for(Int_t iZ=0; iZ<56; iZ++) {
290 sprintf(hnam,"%d_%d_%d_%d",mod,iX,iZ,1); // high gain
291 h1 = (TH1F*)f.Get(hnam);
294 Double_t mean = h1->GetMean();
297 Log(Form("iX=%d iZ=%d gain=%d mean=%.3f\n",iX,iZ,1,mean));
299 if( mean>0 && mean<fQualityCut ) {
303 badMap.SetBadChannel(mod+1,iZ+1,iX+1); //module, col,row
310 Log(Form("Module %d: %d good channels.",mod,nGoods[mod]));
314 } // end of loop over sources
319 Bool_t AliPHOSPreprocessor::CalibrateEmc()
321 //Loop over two systems: DAQ and HLT.
322 //For each system the same algorithm implemented in DoCalibrateEmc() invokes.
324 const AliPHOSEmcBadChannelsMap* badMap=0;
325 AliCDBEntry* entryBCM=0;
329 Int_t system[2] = { kDAQ, kHLT };
330 const char* sysn[] = { "DAQ","HLT" };
331 Bool_t result[2] = { kTRUE, kTRUE };
333 for (Int_t i=0; i<2; i++) {
335 AliPHOSEmcCalibData calibData;
336 list = GetFileSources(system[i], "AMPLITUDES");
339 Log(Form("%s sources list not found!",sysn[i]));
344 if(!list->GetEntries()) {
345 Log(Form("Got empty sources list. It seems %s DA1 did not produce any files!",sysn[i]));
350 // Retrieve the Bad Channels Map (BCM)
352 if(system[i] == kDAQ)
357 entryBCM = GetFromOCDB(path.Data(), "EmcBadChannels");
360 Log(Form("WARNING!! Cannot find any AliCDBEntry for [%s, EmcBadChannels]!",path.Data()));
362 badMap = (AliPHOSEmcBadChannelsMap*)entryBCM->GetObject();
365 Log(Form("WARNING!! Nothing for %s in AliCDBEntry. All cells considered GOOD!",sysn[i]));
367 result[i] *= DoCalibrateEmc(system[i],list,badMap,calibData);
369 //Store EMC calibration data
371 AliCDBMetaData emcMetaData;
372 result[i] *= Store(path.Data(), "EmcGainPedestals", &calibData, &emcMetaData, 0, kTRUE);
376 if(result[0] || result[1]) return kTRUE;
381 Bool_t AliPHOSPreprocessor::DoCalibrateEmc(Int_t system, TList* list, const AliPHOSEmcBadChannelsMap* badMap, AliPHOSEmcCalibData& calibData)
383 // Return kTRUE if OK.
384 // I. Calculates the set of calibration coefficients to equalyze the mean energies deposited at high gain.
385 // II. Extracts High_Gain/Low_Gain ratio for each channel.
387 // The file fileName contains histograms which have been produced by DA1 detector algorithm.
388 // It is a responsibility of the SHUTTLE framework to form the fileName.
390 gRandom->SetSeed(0); //the seed is set to the current machine clock!
395 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
396 AliInfo(Form("found source %s", source->String().Data()));
398 TString fileName = GetFile(system, "AMPLITUDES", source->GetName());
399 AliInfo(Form("Got filename: %s",fileName.Data()));
404 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
408 const Int_t nMod=5; // 1:5 modules
409 const Int_t nCol=56; //1:56 columns in each module
410 const Int_t nRow=64; //1:64 rows in each module
417 //Get the reference histogram
418 //(author: Gustavo Conesa Balbastre)
420 TList * keylist = f.GetListOfKeys();
421 Int_t nkeys = f.GetNkeys();
428 //Check if the file contains any histogram
431 Log(Form("Not enough histograms (%d) for calibration.",nkeys));
436 ikey = gRandom->Integer(nkeys);
437 key = (TKey*)keylist->At(ikey);
438 TObject* obj = f.Get(key->GetName());
439 TString cname(obj->ClassName());
440 if(cname == "TH2F") {
442 TString htitl = h2->GetTitle();
443 if(htitl.Contains("and gain 1")) {
444 hRef = h2->ProjectionX();
445 hRef->GetXaxis()->SetRange(10,1000); // to cut off saturation peak and noise
446 // Check if the reference histogram has too little statistics
447 if(hRef->GetMean() && hRef->GetEntries()>2) ok=kTRUE;
449 const TString delim = "_";
450 TString str = hRef->GetName();
451 TObjArray* tks = str.Tokenize(delim);
452 const Int_t md = ((TObjString*)tks->At(0))->GetString().Atoi();
453 const Int_t X = ((TObjString*)tks->At(1))->GetString().Atoi();
454 const Int_t Z = ((TObjString*)tks->At(2))->GetString().Atoi();
457 if(badMap->IsBadChannel(md+1,Z+1,X+1)) {
458 AliInfo(Form("Cell mod=%d col=%d row=%d is bad. Histogram %s rejected.",
459 md+1,Z+1,X+1,hRef->GetName()));
469 if(!ok && counter > nkeys){
470 Log("No histogram with enough statistics for reference. Exit.");
475 Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
476 hRef->GetName(),hRef->GetEntries(),
477 hRef->GetMean(),hRef->GetRMS()));
479 Double_t refMean=hRef->GetMean();
481 // Calculates relative calibration coefficients for all non-zero channels
483 for(Int_t mod=0; mod<nMod; mod++) {
484 for(Int_t col=0; col<nCol; col++) {
485 for(Int_t row=0; row<nRow; row++) {
487 //High Gain to Low Gain ratio
488 Float_t ratio = HG2LG(mod,row,col,&f);
489 calibData.SetHighLowRatioEmc(mod+1,col+1,row+1,ratio);
491 sprintf(hnam,"%d_%d_%d_1",mod,row,col); // high gain!
492 h2 = (TH2F*)f.Get(hnam);
494 //TODO: dead channels exclusion!
496 h1 = h2->ProjectionX();
497 h1->GetXaxis()->SetRange(10,1000); //to cut off saturation peak and noise
498 coeff = h1->GetMean()/refMean;
500 calibData.SetADCchannelEmc(mod+1,col+1,row+1,1./coeff);
502 calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.);
503 AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
506 calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.);