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, update High Gain/Low Gain ratios.
110 AliPHOSEmcCalibData calibData;
112 TList* list = GetFileSources(kDAQ, "LED");
114 Log("Sources list for LED run not found, exit.");
118 if(!list->GetEntries()) {
119 Log("Sources list for LED run is empty, exit.");
123 //Retrieve the last EMC calibration object
124 const AliPHOSEmcCalibData* clb=0;
125 AliCDBEntry* entryCalib = GetFromOCDB("Calib", "EmcGainPedestals");
128 Log(Form("Cannot find any AliCDBEntry for [Calib, EmcGainPedestals]!"));
130 clb = (AliPHOSEmcCalibData*)entryCalib->GetObject();
135 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
137 AliInfo(Form("found source %s", source->String().Data()));
139 TString fileName = GetFile(kDAQ, "LED", source->GetName());
140 AliInfo(Form("Got filename: %s",fileName.Data()));
145 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
149 const Int_t nMod=5; // 1:5 modules
150 const Int_t nCol=56; //1:56 columns in each module
151 const Int_t nRow=64; //1:64 rows in each module
153 for(Int_t mod=0; mod<nMod; mod++) {
154 for(Int_t col=0; col<nCol; col++) {
155 for(Int_t row=0; row<nRow; row++) {
157 //High Gain to Low Gain ratio
158 Float_t ratio = HG2LG(mod,row,col,&f);
159 calibData.SetHighLowRatioEmc(mod+1,col+1,row+1,ratio);
161 AliInfo(Form("mod %d iX %d iZ %d ratio %.3f\n",mod,row,col,ratio));
164 Double_t coeff = clb->GetADCchannelEmc(mod+1,col+1,row+1);
165 calibData.SetADCchannelEmc(mod+1,col+1,row+1,coeff);
168 calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.);
174 } // end of loop over files
176 //Store bad channels map
177 AliCDBMetaData emcMetaData;
179 //Data valid from current run fRun until updated (validityInfinite=kTRUE)
180 Bool_t result = Store("Calib","EmcGainPedestals",&calibData,&emcMetaData,fRun,kTRUE);
185 Float_t AliPHOSPreprocessor::HG2LG(Int_t mod, Int_t X, Int_t Z, TFile* f)
187 //Calculates High gain to Low gain ratio
188 //for crystal at the position (X,Z) in the PHOS module mod.
191 sprintf(hname,"%d_%d_%d",mod,X,Z);
193 TH1F* h1 = (TH1F*)f->Get(hname);
196 if(!h1->GetEntries()) return 16.;
197 if(h1->GetMaximum()<10.) return 16.;
199 Double_t max = h1->GetBinCenter(h1->GetMaximumBin()); // peak
200 Double_t xmin = max - (h1->GetRMS()/3);
201 Double_t xmax = max + (h1->GetRMS()/2);
202 // Double_t xmin = max - (h1->GetRMS());
203 // Double_t xmax = max + (h1->GetRMS());
205 TF1* gaus1 = new TF1("gaus1",rgaus,xmin,xmax,3);
206 gaus1->SetParNames("Constant","Mean","Sigma");
207 gaus1->SetParameter("Constant",h1->GetMaximum());
208 gaus1->SetParameter("Mean",max);
209 gaus1->SetParameter("Sigma",1.);
210 gaus1->SetLineColor(kBlue);
211 h1->Fit(gaus1,"LERQ+");
213 AliInfo(Form("%s: %d entries, mean=%.3f, peak=%.3f, rms= %.3f. HG/LG = %.3f\n",
214 h1->GetTitle(),h1->GetEntries(),h1->GetMean(),max,h1->GetRMS(),
215 gaus1->GetParameter("Mean")));
217 return gaus1->GetParameter("Mean");
221 Bool_t AliPHOSPreprocessor::FindBadChannelsEmc()
223 //Loop over two systems: DAQ and HLT.
224 //For each system the same algorithm implemented in DoFindBadChannelsEmc() invokes.
229 Int_t system[2] = { kDAQ, kHLT };
230 const char* sysn[] = { "DAQ","HLT" };
231 Bool_t result[2] = { kTRUE, kTRUE };
233 for (Int_t i=0; i<2; i++) {
235 AliPHOSEmcBadChannelsMap badMap;
236 list = GetFileSources(system[i], "BAD_CHANNELS");
239 Log(Form("%s sources list for BAD_CHANNELS not found!",sysn[i]));
244 if(!list->GetEntries()) {
245 Log(Form("Got empty sources list. It seems %s DA2 did not produce any files!",sysn[i]));
250 result[i] *= DoFindBadChannelsEmc(system[i],list,badMap);
252 // Store the bad channels map.
255 md.SetResponsible("Boris Polishchuk");
257 if(system[i] == kDAQ)
262 // Data valid from current run fRun until being updated (validityInfinite=kTRUE)
263 result[i] *= Store(path.Data(), "EmcBadChannels", &badMap, &md, fRun, kTRUE);
267 if(result[0] || result[1]) return kTRUE;
271 Bool_t AliPHOSPreprocessor::DoFindBadChannelsEmc(Int_t system, TList* list, AliPHOSEmcBadChannelsMap& badMap)
273 //Creates the bad channels map for PHOS EMC.
275 // The file fileName contains histograms which have been produced by DA2 detector algorithm.
276 // It is a responsibility of the SHUTTLE framework to form the fileName.
283 const Float_t fQualityCut = 1.;
284 Int_t nGoods[5] = {0,0,0,0,0};
286 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
288 AliInfo(Form("found source %s", source->String().Data()));
290 TString fileName = GetFile(system, "BAD_CHANNELS", source->GetName());
291 AliInfo(Form("Got filename: %s",fileName.Data()));
296 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
300 Log(Form("Begin check for bad channels."));
302 for(Int_t mod=0; mod<5; mod++) {
303 for(Int_t iX=0; iX<64; iX++) {
304 for(Int_t iZ=0; iZ<56; iZ++) {
306 sprintf(hnam,"%d_%d_%d_%d",mod,iX,iZ,1); // high gain
307 h1 = (TH1F*)f.Get(hnam);
310 Double_t mean = h1->GetMean();
313 Log(Form("iX=%d iZ=%d gain=%d mean=%.3f\n",iX,iZ,1,mean));
315 if( mean>0 && mean<fQualityCut ) {
319 badMap.SetBadChannel(mod+1,iZ+1,iX+1); //module, col,row
326 Log(Form("Module %d: %d good channels.",mod,nGoods[mod]));
330 } // end of loop over sources
335 Bool_t AliPHOSPreprocessor::CalibrateEmc()
337 //Loop over two systems: DAQ and HLT.
338 //For each system the same algorithm implemented in DoCalibrateEmc() invokes.
340 const AliPHOSEmcBadChannelsMap* badMap=0;
341 AliCDBEntry* entryBCM=0;
345 Int_t system[2] = { kDAQ, kHLT };
346 const char* sysn[] = { "DAQ","HLT" };
347 Bool_t result[2] = { kTRUE, kTRUE };
349 for (Int_t i=0; i<2; i++) {
351 AliPHOSEmcCalibData calibData;
352 list = GetFileSources(system[i], "AMPLITUDES");
355 Log(Form("%s sources list not found!",sysn[i]));
360 if(!list->GetEntries()) {
361 Log(Form("Got empty sources list. It seems %s DA1 did not produce any files!",sysn[i]));
366 // Retrieve the Bad Channels Map (BCM)
368 if(system[i] == kDAQ)
373 entryBCM = GetFromOCDB(path.Data(), "EmcBadChannels");
376 Log(Form("WARNING!! Cannot find any AliCDBEntry for [%s, EmcBadChannels]!",path.Data()));
378 badMap = (AliPHOSEmcBadChannelsMap*)entryBCM->GetObject();
381 Log(Form("WARNING!! Nothing for %s in AliCDBEntry. All cells considered GOOD!",sysn[i]));
383 result[i] *= DoCalibrateEmc(system[i],list,badMap,calibData);
385 //Store EMC calibration data
387 AliCDBMetaData emcMetaData;
388 result[i] *= Store(path.Data(), "EmcGainPedestals", &calibData, &emcMetaData, 0, kTRUE);
392 if(result[0] || result[1]) return kTRUE;
397 Bool_t AliPHOSPreprocessor::DoCalibrateEmc(Int_t system, TList* list, const AliPHOSEmcBadChannelsMap* badMap, AliPHOSEmcCalibData& calibData)
399 // Return kTRUE if OK.
400 // I. Calculates the set of calibration coefficients to equalyze the mean energies deposited at high gain.
401 // II. Extracts High_Gain/Low_Gain ratio for each channel.
403 // The file fileName contains histograms which have been produced by DA1 detector algorithm.
404 // It is a responsibility of the SHUTTLE framework to form the fileName.
406 gRandom->SetSeed(0); //the seed is set to the current machine clock!
411 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
412 AliInfo(Form("found source %s", source->String().Data()));
414 TString fileName = GetFile(system, "AMPLITUDES", source->GetName());
415 AliInfo(Form("Got filename: %s",fileName.Data()));
420 Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
424 const Int_t nMod=5; // 1:5 modules
425 const Int_t nCol=56; //1:56 columns in each module
426 const Int_t nRow=64; //1:64 rows in each module
433 //Get the reference histogram
434 //(author: Gustavo Conesa Balbastre)
436 TList * keylist = f.GetListOfKeys();
437 Int_t nkeys = f.GetNkeys();
444 //Check if the file contains any histogram
447 Log(Form("Not enough histograms (%d) for calibration.",nkeys));
452 ikey = gRandom->Integer(nkeys);
453 key = (TKey*)keylist->At(ikey);
454 TObject* obj = f.Get(key->GetName());
455 TString cname(obj->ClassName());
456 if(cname == "TH2F") {
458 TString htitl = h2->GetTitle();
459 if(htitl.Contains("and gain 1")) {
460 hRef = h2->ProjectionX();
461 hRef->GetXaxis()->SetRange(10,1000); // to cut off saturation peak and noise
462 // Check if the reference histogram has too little statistics
463 if(hRef->GetMean() && hRef->GetEntries()>2) ok=kTRUE;
465 const TString delim = "_";
466 TString str = hRef->GetName();
467 TObjArray* tks = str.Tokenize(delim);
468 const Int_t md = ((TObjString*)tks->At(0))->GetString().Atoi();
469 const Int_t X = ((TObjString*)tks->At(1))->GetString().Atoi();
470 const Int_t Z = ((TObjString*)tks->At(2))->GetString().Atoi();
473 if(badMap->IsBadChannel(md+1,Z+1,X+1)) {
474 AliInfo(Form("Cell mod=%d col=%d row=%d is bad. Histogram %s rejected.",
475 md+1,Z+1,X+1,hRef->GetName()));
485 if(!ok && counter > nkeys){
486 Log("No histogram with enough statistics for reference. Exit.");
491 Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
492 hRef->GetName(),hRef->GetEntries(),
493 hRef->GetMean(),hRef->GetRMS()));
495 Double_t refMean=hRef->GetMean();
497 // Calculates relative calibration coefficients for all non-zero channels
499 for(Int_t mod=0; mod<nMod; mod++) {
500 for(Int_t col=0; col<nCol; col++) {
501 for(Int_t row=0; row<nRow; row++) {
503 //High Gain to Low Gain ratio
504 Float_t ratio = HG2LG(mod,row,col,&f);
505 calibData.SetHighLowRatioEmc(mod+1,col+1,row+1,ratio);
507 sprintf(hnam,"%d_%d_%d_1",mod,row,col); // high gain!
508 h2 = (TH2F*)f.Get(hnam);
510 //TODO: dead channels exclusion!
512 h1 = h2->ProjectionX();
513 h1->GetXaxis()->SetRange(10,1000); //to cut off saturation peak and noise
514 coeff = h1->GetMean()/refMean;
516 calibData.SetADCchannelEmc(mod+1,col+1,row+1,1./coeff);
518 calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.);
519 AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
522 calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.);