[u/mrichter/AliRoot.git] / PHOS / AliPHOSPreprocessor.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

///////////////////////////////////////////////////////////////////////////////
// PHOS Preprocessor class. It runs by Shuttle at the end of the run,
// calculates calibration coefficients and dead/bad channels
// to be posted in OCDB
//
// Author: Boris Polichtchouk, 4 October 2006
///////////////////////////////////////////////////////////////////////////////

#include "AliPHOSPreprocessor.h"
#include "AliLog.h"
#include "AliCDBMetaData.h"
#include "AliCDBEntry.h"
#include "AliPHOSEmcCalibData.h"
#include "TFile.h"
#include "TH1.h"
#include "TF1.h"
#include "TH2.h"
#include "TMap.h"
#include "TRandom.h"
#include "TKey.h"
#include "TList.h"
#include "TObjString.h"
#include "TObjArray.h"
#include "TObject.h"
#include "TString.h"
#include "TMath.h"
#include "TAxis.h"
#include "AliPHOSEmcBadChannelsMap.h"

ClassImp(AliPHOSPreprocessor)

  Double_t rgaus(Double_t *x, Double_t *par)
{
  Double_t gaus = par[0] * TMath::Exp( -(x[0]-par[1])*(x[0]-par[1]) /
                                       (2*par[2]*par[2]) );
  return gaus;
}

//_______________________________________________________________________________________
AliPHOSPreprocessor::AliPHOSPreprocessor() :
AliPreprocessor("PHS",0)
{
  //default constructor
}

//_______________________________________________________________________________________
AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
AliPreprocessor("PHS",shuttle)
{
  // Constructor

  AddRunType("PHYSICS");
  AddRunType("STANDALONE");
}

//_______________________________________________________________________________________
UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
{
  // process data retrieved by the Shuttle
  
  TString runType = GetRunType();
  Log(Form("Run type: %s",runType.Data()));

  if(runType=="STANDALONE") {
    Bool_t ledOK = ProcessLEDRun();
    if(ledOK) return 0;
    else
      return 1;
  }
  
  if(runType=="PHYSICS") {
    
    Bool_t badmap_OK = FindBadChannelsEmc();
    if(!badmap_OK) Log(Form("WARNING!! FindBadChannels() completed with BAD status!"));
    
    Bool_t calibEmc_OK = CalibrateEmc();

    if(calibEmc_OK && badmap_OK) return 0;
    else
      return 1;
  }

  Log(Form("Unknown run type %s. Do nothing and return OK.",runType.Data()));
  return 0;

}


Bool_t AliPHOSPreprocessor::ProcessLEDRun()
{
  //Process LED run, fill bad channels map.

  AliPHOSEmcBadChannelsMap badMap;

  TList* list = GetFileSources(kDAQ, "LED");
  if(!list) {
    Log("Sources list for LED run not found, exit.");
    return kFALSE;
  }

  TIter iter(list);
  TObjString *source;
  char hnam[80];
  TH1F* histo=0;
  
  while ((source = dynamic_cast<TObjString *> (iter.Next()))) {

    AliInfo(Form("found source %s", source->String().Data()));

    TString fileName = GetFile(kDAQ, "LED", source->GetName());
    AliInfo(Form("Got filename: %s",fileName.Data()));

    TFile f(fileName);

    if(!f.IsOpen()) {
      Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
      return kFALSE;
    }

    const Int_t nMod=5; // 1:5 modules
    const Int_t nCol=56; //1:56 columns in each module
    const Int_t nRow=64; //1:64 rows in each module

    // Check for dead channels    
    Log(Form("Begin check for dead channels."));

    for(Int_t mod=0; mod<nMod; mod++) {
      for(Int_t col=0; col<nCol; col++) {
	for(Int_t row=0; row<nRow; row++) {
	  sprintf(hnam,"mod%dcol%drow%d",mod,col,row);
	  histo = (TH1F*)f.Get(hnam);
	  if(histo)
	    if (histo->GetMean()<1) {
	      Log(Form("Channel: [%d,%d,%d] seems dead, <E>=%.1f.",mod,col,row,histo->GetMean()));
	      badMap.SetBadChannel(mod,col,row);
	    }
	}
      }
    }

  }

  //Store bad channels map
  AliCDBMetaData badMapMetaData;

  //Bad channels data valid from current run fRun until updated (validityInfinite=kTRUE)
  Bool_t result = Store("Calib", "EmcBadChannels", &badMap, &badMapMetaData, fRun, kTRUE);
  return result;

}

Float_t AliPHOSPreprocessor::HG2LG(Int_t mod, Int_t X, Int_t Z, TFile* f)
{
  //Calculates High gain to Low gain ratio 
  //for crystal at the position (X,Z) in the PHOS module mod.
  
  char hname[128];
  sprintf(hname,"%d_%d_%d",mod,X,Z);

  TH1F* h1 = (TH1F*)f->Get(hname);
  if(!h1) return 16.;

  if(!h1->GetEntries()) return 16.;
  if(h1->GetMaximum()<10.) return 16.;

  Double_t max = h1->GetBinCenter(h1->GetMaximumBin()); // peak
  Double_t xmin = max - (h1->GetRMS()/3);
  Double_t xmax = max + (h1->GetRMS()/2);
  //       Double_t xmin = max - (h1->GetRMS());
  //       Double_t xmax = max + (h1->GetRMS());

  TF1* gaus1 = new TF1("gaus1",rgaus,xmin,xmax,3);
  gaus1->SetParNames("Constant","Mean","Sigma");
  gaus1->SetParameter("Constant",h1->GetMaximum());
  gaus1->SetParameter("Mean",max);
  gaus1->SetParameter("Sigma",1.);
  gaus1->SetLineColor(kBlue);
  h1->Fit(gaus1,"LERQ+");

  AliInfo(Form("%s: %d entries, mean=%.3f, peak=%.3f, rms= %.3f. HG/LG = %.3f\n",
	   h1->GetTitle(),h1->GetEntries(),h1->GetMean(),max,h1->GetRMS(),
	   gaus1->GetParameter("Mean"))); 

  return gaus1->GetParameter("Mean");

}

Bool_t AliPHOSPreprocessor::FindBadChannelsEmc()
{
  //Creates the bad channels map for PHOS EMC.

  // The file fileName contains histograms which have been produced by DA2 detector algorithm.
  // It is a responsibility of the SHUTTLE framework to form the fileName.

  AliPHOSEmcBadChannelsMap badMap;

  TList* list = GetFileSources(kDAQ, "BAD_CHANNELS");

  if(!list) {
    Log("Sources list for BAD_CHANNELS not found, exit.");
    return kFALSE;
  }

  if(!list->GetEntries()) {
    Log(Form("Got empty sources list. It seems DA2 did not produce any files!"));
    return kFALSE;
  }

  TIter iter(list);
  TObjString *source;
  char hnam[80];
  TH1F* h1=0;

  const Float_t fQualityCut = 1.;
  Int_t nGoods[5] = {0,0,0,0,0};
  
  while ((source = dynamic_cast<TObjString *> (iter.Next()))) {

    AliInfo(Form("found source %s", source->String().Data()));

    TString fileName = GetFile(kDAQ, "BAD_CHANNELS", source->GetName());
    AliInfo(Form("Got filename: %s",fileName.Data()));

    TFile f(fileName);

    if(!f.IsOpen()) {
      Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
      return kFALSE;
    }
    
    Log(Form("Begin check for bad channels."));
    
    for(Int_t mod=0; mod<5; mod++) {
      for(Int_t iX=0; iX<64; iX++) {
	for(Int_t iZ=0; iZ<56; iZ++) {

	  sprintf(hnam,"%d_%d_%d_%d",mod,iX,iZ,1); // high gain	
	  h1 = (TH1F*)f.Get(hnam);

	  if(h1) {
	    Double_t mean = h1->GetMean();
	    
	    if(mean)
	      Log(Form("iX=%d iZ=%d gain=%d   mean=%.3f\n",iX,iZ,1,mean));

	    if( mean>0 && mean<fQualityCut ) { 
	      nGoods[mod]++; 
	    }
	    else
	      badMap.SetBadChannel(mod+1,iZ+1,iX+1); //module, col,row
	  }

	}
      }

      if(nGoods[mod])
	Log(Form("Module %d: %d good channels.",mod,nGoods[mod]));
    }

    
  } // end of loop over sources
  
  // Store the bad channels map.
  
  AliCDBMetaData md;
  md.SetResponsible("Boris Polishchuk");

  // Data valid from current run fRun until being updated (validityInfinite=kTRUE)
  Bool_t result = Store("Calib", "EmcBadChannels", &badMap, &md, fRun, kTRUE);
  return result;

}

Bool_t AliPHOSPreprocessor::CalibrateEmc()
{
  // I.  Calculates the set of calibration coefficients to equalyze the mean energies deposited at high gain.
  // II. Extracts High_Gain/Low_Gain ratio for each channel.

  // The file fileName contains histograms which have been produced by DA1 detector algorithm.
  // It is a responsibility of the SHUTTLE framework to form the fileName.

  gRandom->SetSeed(0); //the seed is set to the current  machine clock!
  AliPHOSEmcCalibData calibData;
  
  TList* list = GetFileSources(kDAQ, "AMPLITUDES");
  
  if(!list) {
    Log("Sources list not found, exit.");
    return 1;
  }

  if(!list->GetEntries()) {
    Log(Form("Got empty sources list. It seems DA1 did not produce any files!"));
    return kFALSE;
  }

  // Retrieve Bad Channels Map (BCM)

  const AliPHOSEmcBadChannelsMap* badMap=0;
  AliCDBEntry* entryBCM = GetFromOCDB("Calib", "EmcBadChannels");

  if(!entryBCM)
    Log(Form("WARNING!! Cannot find any AliCDBEntry for [Calib, EmcBadChannels]!"));
  else
    badMap = (AliPHOSEmcBadChannelsMap*)entryBCM->GetObject();

  if(!badMap)
    Log(Form("WARNING!! No Bad Channels Map in AliCDBEntry. All cells considered _GOOD_!"));

  TIter iter(list);
  TObjString *source;
  
  while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
    AliInfo(Form("found source %s", source->String().Data()));

    TString fileName = GetFile(kDAQ, "AMPLITUDES", source->GetName());
    AliInfo(Form("Got filename: %s",fileName.Data()));

    TFile f(fileName);

    if(!f.IsOpen()) {
      Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
      return 1;
    }
    
    const Int_t nMod=5; // 1:5 modules
    const Int_t nCol=56; //1:56 columns in each module
    const Int_t nRow=64; //1:64 rows in each module

    Double_t coeff;
    char hnam[80];
    TH2F* h2=0;
    TH1D* h1=0;
    
    //Get the reference histogram
    //(author: Gustavo Conesa Balbastre)

    TList * keylist = f.GetListOfKeys();
    Int_t nkeys   = f.GetNkeys();
    Bool_t ok = kFALSE;
    TKey  *key;
    Int_t ikey = 0;
    Int_t counter = 0;
    TH1D* hRef = 0;

    //Check if the file contains any histogram
    
    if(nkeys< 2){
      Log(Form("Not enough histograms (%d) for calibration.",nkeys));
      return 1;
    }
    
    while(!ok){
      ikey = gRandom->Integer(nkeys);
      key = (TKey*)keylist->At(ikey);
      TObject* obj = f.Get(key->GetName());
      TString cname(obj->ClassName());
      if(cname == "TH2F") {
	h2 = (TH2F*)obj;
	TString htitl = h2->GetTitle();
	if(htitl.Contains("and gain 1")) {
	  hRef = h2->ProjectionX();
	  hRef->GetXaxis()->SetRange(10,1000); // to cut off saturation peak and noise
	  // Check if the reference histogram has too little statistics
	  if(hRef->GetMean() && hRef->GetEntries()>2) ok=kTRUE;

	  const TString delim = "_";
	  TString str = hRef->GetName();
	  TObjArray* tks = str.Tokenize(delim);
	  const Int_t md = ((TObjString*)tks->At(0))->GetString().Atoi();
	  const Int_t X   = ((TObjString*)tks->At(1))->GetString().Atoi();
	  const Int_t Z   = ((TObjString*)tks->At(2))->GetString().Atoi();

	  if(badMap) {
	    if(badMap->IsBadChannel(md+1,Z+1,X+1)) {
	      AliInfo(Form("Cell mod=%d col=%d row=%d is bad. Histogram %s rejected.",
			   md+1,Z+1,X+1,hRef->GetName()));
	      ok=kFALSE;
	    }
	  }

	}
      }
      
      counter++;
      
      if(!ok && counter > nkeys){
	Log("No histogram with enough statistics for reference. Exit.");
	return 1;
      }
    }
    
    Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
	     hRef->GetName(),hRef->GetEntries(),
	     hRef->GetMean(),hRef->GetRMS()));

    Double_t refMean=hRef->GetMean();
    
    // Calculates relative calibration coefficients for all non-zero channels
    
    for(Int_t mod=0; mod<nMod; mod++) {
      for(Int_t col=0; col<nCol; col++) {
	for(Int_t row=0; row<nRow; row++) {

	  //High Gain to Low Gain ratio
	  Float_t ratio = HG2LG(mod,row,col,&f);
	  calibData.SetHighLowRatioEmc(mod+1,col+1,row+1,ratio);
	  
	  sprintf(hnam,"%d_%d_%d_1",mod,row,col); // high gain!
	  h2 = (TH2F*)f.Get(hnam);

	  //TODO: dead channels exclusion!
	  if(h2) {
	    h1 = h2->ProjectionX();
	    h1->GetXaxis()->SetRange(10,1000); //to cut off saturation peak and noise
	    coeff = h1->GetMean()/refMean;
	    if(coeff>0)
	      calibData.SetADCchannelEmc(mod+1,col+1,row+1,1./coeff);
	    else 
	      calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.);
	    AliInfo(Form("mod %d col %d row %d  coeff %f\n",mod,col,row,coeff));
	  }
	  else
	    calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.); 
	}
      }
    }
    
    f.Close();
  }
  
  //Store EMC calibration data
  
  AliCDBMetaData emcMetaData;
  Bool_t result = Store("Calib", "EmcGainPedestals", &calibData, &emcMetaData, 0, kTRUE); // valid from 0 to infinity);
  return result;

}
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"
450717bc	34	#include "TH2.h"
1ab07e55	35	#include "TMap.h"
1ab07e55	36	#include "TRandom.h"
f97eb136	37	#include "TKey.h"
516e7ab3	38	#include "TList.h"
516e7ab3	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	(2par[2]par[2]) );
	53	return gaus;
	54	}
	55
1ab07e55	56	//_______________________________________________________________________________________
1ab07e55	57	AliPHOSPreprocessor::AliPHOSPreprocessor() :
81587b1e	58	AliPreprocessor("PHS",0)
1ab07e55	59	{
	60	//default constructor
	61	}
	62
	63	//_______________________________________________________________________________________
81587b1e	64	AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
81587b1e	65	AliPreprocessor("PHS",shuttle)
1ab07e55	66	{
1ab07e55	67	// Constructor
ce2c6758	68
	69	AddRunType("PHYSICS");
	70	AddRunType("STANDALONE");
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
9f43d7da	81	if(runType=="STANDALONE") {
eba66a50	82	Bool_t ledOK = ProcessLEDRun();
	83	if(ledOK) return 0;
	84	else
	85	return 1;
	86	}
9f43d7da	87
	88	if(runType=="PHYSICS") {
	89
	90	Bool_t badmap_OK = FindBadChannelsEmc();
	91	if(!badmap_OK) Log(Form("WARNING!! FindBadChannels() completed with BAD status!"));
	92
	93	Bool_t calibEmc_OK = CalibrateEmc();
	94
	95	if(calibEmc_OK && badmap_OK) return 0;
	96	else
	97	return 1;
	98	}
	99
	100	Log(Form("Unknown run type %s. Do nothing and return OK.",runType.Data()));
	101	return 0;
	102
	103	}
	104
	105
	106	Bool_t AliPHOSPreprocessor::ProcessLEDRun()
	107	{
	108	//Process LED run, fill bad channels map.
	109
	110	AliPHOSEmcBadChannelsMap badMap;
	111
	112	TList* list = GetFileSources(kDAQ, "LED");
	113	if(!list) {
	114	Log("Sources list for LED run not found, exit.");
	115	return kFALSE;
	116	}
	117
	118	TIter iter(list);
	119	TObjString *source;
	120	char hnam[80];
	121	TH1F* histo=0;
	122
	123	while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
	124
	125	AliInfo(Form("found source %s", source->String().Data()));
	126
	127	TString fileName = GetFile(kDAQ, "LED", source->GetName());
	128	AliInfo(Form("Got filename: %s",fileName.Data()));
	129
	130	TFile f(fileName);
	131
	132	if(!f.IsOpen()) {
	133	Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
	134	return kFALSE;
	135	}
	136
	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
	140
	141	// Check for dead channels
	142	Log(Form("Begin check for dead channels."));
	143
	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);
	149	if(histo)
	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);
153	}
154	}
155	}
156	}
157
158	}
159
160	//Store bad channels map
161	AliCDBMetaData badMapMetaData;
162
163	//Bad channels data valid from current run fRun until updated (validityInfinite=kTRUE)
164	Bool_t result = Store("Calib", "EmcBadChannels", &badMap, &badMapMetaData, fRun, kTRUE);
165	return result;
166
167	}
168
169	Float_t AliPHOSPreprocessor::HG2LG(Int_t mod, Int_t X, Int_t Z, TFile* f)
170	{
171	//Calculates High gain to Low gain ratio
172	//for crystal at the position (X,Z) in the PHOS module mod.
173
174	char hname[128];
175	sprintf(hname,"%d_%d_%d",mod,X,Z);
176
177	TH1F* h1 = (TH1F*)f->Get(hname);
178	if(!h1) return 16.;
179
180	if(!h1->GetEntries()) return 16.;
181	if(h1->GetMaximum()<10.) return 16.;
182
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());
188
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+");
196
3f5f9893	197	AliInfo(Form("%s: %d entries, mean=%.3f, peak=%.3f, rms= %.3f. HG/LG = %.3f\n",
9f43d7da	198	h1->GetTitle(),h1->GetEntries(),h1->GetMean(),max,h1->GetRMS(),
	199	gaus1->GetParameter("Mean")));
	200
	201	return gaus1->GetParameter("Mean");
	202
	203	}
	204
	205	Bool_t AliPHOSPreprocessor::FindBadChannelsEmc()
	206	{
	207	//Creates the bad channels map for PHOS EMC.
	208
	209	// The file fileName contains histograms which have been produced by DA2 detector algorithm.
	210	// It is a responsibility of the SHUTTLE framework to form the fileName.
	211
	212	AliPHOSEmcBadChannelsMap badMap;
	213
	214	TList* list = GetFileSources(kDAQ, "BAD_CHANNELS");
	215
	216	if(!list) {
	217	Log("Sources list for BAD_CHANNELS not found, exit.");
	218	return kFALSE;
	219	}
	220
	221	if(!list->GetEntries()) {
	222	Log(Form("Got empty sources list. It seems DA2 did not produce any files!"));
	223	return kFALSE;
	224	}
	225
	226	TIter iter(list);
	227	TObjString *source;
	228	char hnam[80];
	229	TH1F* h1=0;
	230
	231	const Float_t fQualityCut = 1.;
	232	Int_t nGoods[5] = {0,0,0,0,0};
	233
	234	while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
	235
	236	AliInfo(Form("found source %s", source->String().Data()));
	237
	238	TString fileName = GetFile(kDAQ, "BAD_CHANNELS", source->GetName());
	239	AliInfo(Form("Got filename: %s",fileName.Data()));
	240
	241	TFile f(fileName);
	242
	243	if(!f.IsOpen()) {
	244	Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
	245	return kFALSE;
	246	}
	247
	248	Log(Form("Begin check for bad channels."));
	249
	250	for(Int_t mod=0; mod<5; mod++) {
	251	for(Int_t iX=0; iX<64; iX++) {
	252	for(Int_t iZ=0; iZ<56; iZ++) {
	253
	254	sprintf(hnam,"%d_%d_%d_%d",mod,iX,iZ,1); // high gain
	255	h1 = (TH1F*)f.Get(hnam);
	256
	257	if(h1) {
	258	Double_t mean = h1->GetMean();
	259
	260	if(mean)
	261	Log(Form("iX=%d iZ=%d gain=%d mean=%.3f\n",iX,iZ,1,mean));
262
263	if( mean>0 && mean<fQualityCut ) {
264	nGoods[mod]++;
265	}
266	else
267	badMap.SetBadChannel(mod+1,iZ+1,iX+1); //module, col,row
268	}
269
270	}
271	}
272
273	if(nGoods[mod])
274	Log(Form("Module %d: %d good channels.",mod,nGoods[mod]));
275	}
276
277
278	} // end of loop over sources
279
280	// Store the bad channels map.
281
282	AliCDBMetaData md;
283	md.SetResponsible("Boris Polishchuk");
284
285	// Data valid from current run fRun until being updated (validityInfinite=kTRUE)
286	Bool_t result = Store("Calib", "EmcBadChannels", &badMap, &md, fRun, kTRUE);
287	return result;
288
289	}
290
291	Bool_t AliPHOSPreprocessor::CalibrateEmc()
292	{
293	// I. Calculates the set of calibration coefficients to equalyze the mean energies deposited at high gain.
294	// II. Extracts High_Gain/Low_Gain ratio for each channel.
295
296	// The file fileName contains histograms which have been produced by DA1 detector algorithm.
297	// It is a responsibility of the SHUTTLE framework to form the fileName.
eba66a50	298
c1274f4c	299	gRandom->SetSeed(0); //the seed is set to the current machine clock!
516e7ab3	300	AliPHOSEmcCalibData calibData;
9f43d7da	301
516e7ab3	302	TList* list = GetFileSources(kDAQ, "AMPLITUDES");
9f43d7da	303
516e7ab3	304	if(!list) {
516e7ab3	305	Log("Sources list not found, exit.");
eba66a50	306	return 1;
1ab07e55	307	}
1ab07e55	308
9f43d7da	309	if(!list->GetEntries()) {
	310	Log(Form("Got empty sources list. It seems DA1 did not produce any files!"));
	311	return kFALSE;
	312	}
	313
30a0d5a2	314	// Retrieve Bad Channels Map (BCM)
	315
	316	const AliPHOSEmcBadChannelsMap* badMap=0;
	317	AliCDBEntry* entryBCM = GetFromOCDB("Calib", "EmcBadChannels");
	318
	319	if(!entryBCM)
	320	Log(Form("WARNING!! Cannot find any AliCDBEntry for [Calib, EmcBadChannels]!"));
	321	else
	322	badMap = (AliPHOSEmcBadChannelsMap*)entryBCM->GetObject();
	323
	324	if(!badMap)
	325	Log(Form("WARNING!! No Bad Channels Map in AliCDBEntry. All cells considered _GOOD_!"));
	326
516e7ab3	327	TIter iter(list);
516e7ab3	328	TObjString *source;
3c0265c1	329
516e7ab3	330	while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
516e7ab3	331	AliInfo(Form("found source %s", source->String().Data()));
f97eb136	332
516e7ab3	333	TString fileName = GetFile(kDAQ, "AMPLITUDES", source->GetName());
516e7ab3	334	AliInfo(Form("Got filename: %s",fileName.Data()));
f97eb136	335
516e7ab3	336	TFile f(fileName);
f97eb136	337
516e7ab3	338	if(!f.IsOpen()) {
516e7ab3	339	Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
eba66a50	340	return 1;
516e7ab3	341	}
9f43d7da	342
516e7ab3	343	const Int_t nMod=5; // 1:5 modules
	344	const Int_t nCol=56; //1:56 columns in each module
	345	const Int_t nRow=64; //1:64 rows in each module
	346
	347	Double_t coeff;
	348	char hnam[80];
450717bc	349	TH2F* h2=0;
450717bc	350	TH1D* h1=0;
3c0265c1	351
516e7ab3	352	//Get the reference histogram
	353	//(author: Gustavo Conesa Balbastre)
	354
	355	TList * keylist = f.GetListOfKeys();
	356	Int_t nkeys = f.GetNkeys();
	357	Bool_t ok = kFALSE;
	358	TKey *key;
516e7ab3	359	Int_t ikey = 0;
516e7ab3	360	Int_t counter = 0;
450717bc	361	TH1D* hRef = 0;
450717bc	362
516e7ab3	363	//Check if the file contains any histogram
	364
	365	if(nkeys< 2){
	366	Log(Form("Not enough histograms (%d) for calibration.",nkeys));
4988b8ce	367	return 1;
f97eb136	368	}
450717bc	369
516e7ab3	370	while(!ok){
	371	ikey = gRandom->Integer(nkeys);
	372	key = (TKey*)keylist->At(ikey);
450717bc	373	TObject* obj = f.Get(key->GetName());
	374	TString cname(obj->ClassName());
	375	if(cname == "TH2F") {
	376	h2 = (TH2F*)obj;
	377	TString htitl = h2->GetTitle();
	378	if(htitl.Contains("and gain 1")) {
	379	hRef = h2->ProjectionX();
306e5917	380	hRef->GetXaxis()->SetRange(10,1000); // to cut off saturation peak and noise
450717bc	381	// Check if the reference histogram has too little statistics
306e5917	382	if(hRef->GetMean() && hRef->GetEntries()>2) ok=kTRUE;
30a0d5a2	383
	384	const TString delim = "_";
	385	TString str = hRef->GetName();
	386	TObjArray* tks = str.Tokenize(delim);
	387	const Int_t md = ((TObjString*)tks->At(0))->GetString().Atoi();
	388	const Int_t X = ((TObjString*)tks->At(1))->GetString().Atoi();
	389	const Int_t Z = ((TObjString*)tks->At(2))->GetString().Atoi();
	390
	391	if(badMap) {
	392	if(badMap->IsBadChannel(md+1,Z+1,X+1)) {
	393	AliInfo(Form("Cell mod=%d col=%d row=%d is bad. Histogram %s rejected.",
	394	md+1,Z+1,X+1,hRef->GetName()));
	395	ok=kFALSE;
	396	}
	397	}
	398
450717bc	399	}
516e7ab3	400	}
b8093789	401
450717bc	402	counter++;
b8093789	403
	404	if(!ok && counter > nkeys){
	405	Log("No histogram with enough statistics for reference. Exit.");
	406	return 1;
	407	}
516e7ab3	408	}
3c0265c1	409
516e7ab3	410	Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
	411	hRef->GetName(),hRef->GetEntries(),
	412	hRef->GetMean(),hRef->GetRMS()));
	413
	414	Double_t refMean=hRef->GetMean();
3c0265c1	415
516e7ab3	416	// Calculates relative calibration coefficients for all non-zero channels
3c0265c1	417
516e7ab3	418	for(Int_t mod=0; mod<nMod; mod++) {
	419	for(Int_t col=0; col<nCol; col++) {
	420	for(Int_t row=0; row<nRow; row++) {
450717bc	421
	422	//High Gain to Low Gain ratio
	423	Float_t ratio = HG2LG(mod,row,col,&f);
	424	calibData.SetHighLowRatioEmc(mod+1,col+1,row+1,ratio);
	425
	426	sprintf(hnam,"%d_%d_%d_1",mod,row,col); // high gain!
	427	h2 = (TH2F*)f.Get(hnam);
	428
516e7ab3	429	//TODO: dead channels exclusion!
450717bc	430	if(h2) {
450717bc	431	h1 = h2->ProjectionX();
306e5917	432	h1->GetXaxis()->SetRange(10,1000); //to cut off saturation peak and noise
450717bc	433	coeff = h1->GetMean()/refMean;
64d8f3f1	434	if(coeff>0)
da2ee9fc	435	calibData.SetADCchannelEmc(mod+1,col+1,row+1,1./coeff);
64d8f3f1	436	else
da2ee9fc	437	calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.);
516e7ab3	438	AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
	439	}
	440	else
da2ee9fc	441	calibData.SetADCchannelEmc(mod+1,col+1,row+1,1.);
1ab07e55	442	}
1ab07e55	443	}
1ab07e55	444	}
516e7ab3	445
516e7ab3	446	f.Close();
1ab07e55	447	}
516e7ab3	448
3c0265c1	449	//Store EMC calibration data
	450
	451	AliCDBMetaData emcMetaData;
9f43d7da	452	Bool_t result = Store("Calib", "EmcGainPedestals", &calibData, &emcMetaData, 0, kTRUE); // valid from 0 to infinity);
1ab07e55	453	return result;
	454
	455	}
450717bc	456
9f43d7da	457
450717bc	458