X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PHOS%2FAliPHOSPreprocessor.cxx;h=c2ee9e7150e8c9d4bbd852c93945f541b3b40ffd;hb=cc781f3d853d37ab8ae236d42ea856e953d8c358;hp=bd90e1c54ed26debf2580b0c39cb5bf4fa6b8149;hpb=516e7ab376656a757acd6f105cc622ce34103140;p=u%2Fmrichter%2FAliRoot.git

diff --git a/PHOS/AliPHOSPreprocessor.cxx b/PHOS/AliPHOSPreprocessor.cxx
index bd90e1c54ed..c2ee9e7150e 100644
--- a/PHOS/AliPHOSPreprocessor.cxx
+++ b/PHOS/AliPHOSPreprocessor.cxx
@@ -26,17 +26,33 @@
 #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)
@@ -49,49 +65,408 @@ AliPHOSPreprocessor::AliPHOSPreprocessor(AliShuttleInterface* shuttle):
 AliPreprocessor("PHS",shuttle)
 {
   // Constructor
+
+  AddRunType("PHYSICS");
+  AddRunType("LED");
 }
 
 //_______________________________________________________________________________________
 UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
 {
   // process data retrieved by the Shuttle
+  
+  TString runType = GetRunType();
+  Log(Form("Run type: %s",runType.Data()));
 
-  // The fileName with the histograms which have been produced by
-  // AliPHOSCalibHistoProducer.
-  // It is a responsibility of the SHUTTLE framework to form the fileName
+  if(runType=="LED") {
+    Bool_t ledOK = ProcessLEDRun();
+    Bool_t badmap_OK = FindBadChannelsEmc();
+    if(!badmap_OK) Log(Form("WARNING! FindBadChannels() completed with BAD status!"));
+    if(ledOK) return 0;
+    else
+      return 1;
+  }
   
+  if(runType=="PHYSICS") {
+    
+    Bool_t calibEmc_OK = CalibrateEmc();
+    
+    if(calibEmc_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, update High Gain/Low Gain ratios.
+
   AliPHOSEmcCalibData calibData;
-  
-  TList* list = GetFileSources(kDAQ, "AMPLITUDES");
+
+  TList* list = GetFileSources(kDAQ, "LED");
   if(!list) {
-    Log("Sources list not found, exit.");
-    return 0;
+    Log("Sources list for LED run not found, exit.");
+    return kFALSE;
+  }
+
+  if(!list->GetEntries()) {
+    Log("Sources list for LED run is empty, exit.");
+    return kFALSE;
   }
 
+  //Retrieve the last EMC calibration object
+  const AliPHOSEmcCalibData* clb=0;
+  AliCDBEntry* entryCalib = GetFromOCDB("Calib", "EmcGainPedestals");
+
+  if(!entryCalib)
+    Log(Form("Cannot find any AliCDBEntry for [Calib, EmcGainPedestals]!"));
+  else
+    clb = (AliPHOSEmcCalibData*)entryCalib->GetObject();
+  
   TIter iter(list);
   TObjString *source;
+  Bool_t firedOK = kFALSE;
+  
+  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;
+    }
 
+    TH1I* fFiredCells = (TH1I*)f.Get("fFiredCells");
+
+    if(!fFiredCells) {
+      Log(Form("fFiredCells histogram not found in %s, skip this source.",fileName.Data()));
+      firedOK=kFALSE;
+    }
+    else {
+      const Double_t nFiredCells = fFiredCells->GetMean();
+      if(nFiredCells>100 && nFiredCells<600) { 
+	firedOK = kTRUE;
+	Log(Form("Number of fired cells per event is %d.",nFiredCells));
+      }
+      else {
+	Log(Form("Number of fired cells per event is %d, possibly not a LED run!",nFiredCells));
+	firedOK = 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
+    
+    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
+	  if(firedOK) {
+	    Float_t ratio = HG2LG(mod,row,col,&f);
+	    calibData.SetHighLowRatioEmc(mod+1,col+1,row+1,ratio);
+	    if(ratio != 16.)
+	      AliInfo(Form("mod %d iX %d iZ %d  ratio %.3f\n",mod,row,col,ratio));
+	  }	  
+
+	  if(clb) {
+	    Double_t coeff = clb->GetADCchannelEmc(mod+1,col+1,row+1);
+	    calibData.SetADCchannelEmc(mod+1,col+1,row+1,coeff);
+	  }
+	  else
+	    calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.005);
+
+	}
+      }
+    }
+
+  } // end of loop over files
+
+  //Store the updated High Gain/Low Gain ratios
+  AliCDBMetaData emcMetaData;
+
+  //Data valid from current run fRun until updated (validityInfinite=kTRUE)
+  Bool_t result = Store("Calib","EmcGainPedestals",&calibData,&emcMetaData,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.;
+  
+  h1->Rebin(4);
+  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()
+{
+  //Loop over two systems: DAQ and HLT.
+  //For each system the same algorithm implemented in DoFindBadChannelsEmc() invokes.
+
+  TList* list=0;
+  TString path;
+  
+  Int_t system[2] = { kDAQ, kHLT };
+  const char* sysn[] = { "DAQ","HLT" };
+  Bool_t result[2] = { kTRUE, kTRUE };
+
+  for (Int_t i=0; i<2; i++) {
+
+    AliPHOSEmcBadChannelsMap badMap;
+    list = GetFileSources(system[i], "BAD_CHANNELS");
+
+    if(!list) {
+      Log(Form("%s sources list for BAD_CHANNELS not found!",sysn[i]));
+      result[i] = kFALSE;
+      continue;
+    }
+
+    if(!list->GetEntries()) {
+      Log(Form("Got empty sources list. It seems %s DA2 did not produce any files!",sysn[i]));
+      result[i] = kFALSE;
+      continue;
+    }
+
+    result[i] *= DoFindBadChannelsEmc(system[i],list,badMap);
+
+    // Store the bad channels map.
+  
+    AliCDBMetaData md;
+    md.SetResponsible("Boris Polishchuk");
+
+    if(system[i] == kDAQ) 
+      path = "Calib";
+    else 
+      path = "HLT";
+  
+    // Data valid from current run fRun until being updated (validityInfinite=kTRUE)
+    result[i] *= Store(path.Data(), "EmcBadChannels", &badMap, &md, fRun, kTRUE);
+    
+  }
+  
+  if(result[0] || result[1]) return kTRUE;
+  else return kFALSE;
+}
+
+Bool_t AliPHOSPreprocessor::DoFindBadChannelsEmc(Int_t system, TList* list, AliPHOSEmcBadChannelsMap& badMap)
+{
+  //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.
+
+  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, "AMPLITUDES", source->GetName());
+    TString fileName = GetFile(system, "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 0;
+      return kFALSE;
+    }
+
+    TH1I* fFiredCells = (TH1I*)f.Get("fFiredCells");
+
+    if(!fFiredCells) {
+      Log(Form("fFiredCells histogram not found in %s, skip this source.",fileName.Data()));
+      continue;
+    }
+
+    const Double_t nFiredCells = fFiredCells->GetMean();
+
+    if(nFiredCells<100. || nFiredCells>600. ) {
+      Log(Form("Number of fired cells per event is %d, possibly not a LED run!",nFiredCells));
+      continue; // not a LED run!
+    }
+    
+    Log(Form("Number of fired cells per event %d. Begin check for bad channels.",nFiredCells));
+    
+    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
+  
+  return kTRUE;
+}
+
+Bool_t AliPHOSPreprocessor::CalibrateEmc()
+{
+  //Loop over two systems: DAQ and HLT.
+  //For each system the same algorithm implemented in DoCalibrateEmc() invokes.
+
+  const AliPHOSEmcBadChannelsMap* badMap=0;
+  AliCDBEntry* entryBCM=0;
+  TList* list=0;
+  TString path;
+  
+  Int_t system[2] = { kDAQ, kHLT };
+  const char* sysn[] = { "DAQ","HLT" };
+  Bool_t result[2] = { kTRUE, kTRUE };
+
+  for (Int_t i=0; i<2; i++) {
+
+    AliPHOSEmcCalibData calibData;
+    list = GetFileSources(system[i], "AMPLITUDES");
+  
+    if(!list) {
+      Log(Form("%s sources list not found!",sysn[i]));
+      result[i] = kFALSE;
+      continue;
+    }
+
+    if(!list->GetEntries()) {
+      Log(Form("Got empty sources list. It seems %s DA1 did not produce any files!",sysn[i]));
+      result[i] = kFALSE;
+      continue;
+    }
+
+    // Retrieve the Bad Channels Map (BCM)
+
+    if(system[i] == kDAQ) 
+      path = "Calib";
+    else 
+      path = "HLT";
+  
+    entryBCM = GetFromOCDB(path.Data(), "EmcBadChannels");
+
+    if(!entryBCM)
+      Log(Form("WARNING!! Cannot find any AliCDBEntry for [%s, EmcBadChannels]!",path.Data()));
+    else
+      badMap = (AliPHOSEmcBadChannelsMap*)entryBCM->GetObject();
+
+    if(!badMap)
+      Log(Form("WARNING!! Nothing for %s in AliCDBEntry. All cells considered GOOD!",sysn[i]));
+
+    result[i] *= DoCalibrateEmc(system[i],list,badMap,calibData);
+
+    //Store EMC calibration data
+
+    AliCDBMetaData emcMetaData;
+    result[i] *= Store(path.Data(), "EmcGainPedestals", &calibData, &emcMetaData, 0, kTRUE);
+  
+  }
+  
+  if(result[0] || result[1]) return kTRUE;
+  else return kFALSE;
+}
+
+
+Bool_t AliPHOSPreprocessor::DoCalibrateEmc(Int_t system, TList* list, const AliPHOSEmcBadChannelsMap* badMap, AliPHOSEmcCalibData& calibData)
+{
+  // Return kTRUE if OK.
+  // 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!
+
+  TIter iter(list);
+  TObjString *source;
+  
+  while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
+    AliInfo(Form("found source %s", source->String().Data()));
+
+    TString fileName = GetFile(system, "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 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
 
     Double_t coeff;
     char hnam[80];
-    TH1F* histo=0;
-
+    TH2F* h2=0;
+    TH1D* h1=0;
+    
     //Get the reference histogram
     //(author: Gustavo Conesa Balbastre)
 
@@ -99,53 +474,85 @@ UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
     Int_t nkeys   = f.GetNkeys();
     Bool_t ok = kFALSE;
     TKey  *key;
-    TString refHistoName= "";
     Int_t ikey = 0;
     Int_t counter = 0;
-    TH1F* hRef = 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;
+      return 1; // it's not fatal! May be short run..
     }
-
+    
     while(!ok){
       ikey = gRandom->Integer(nkeys);
       key = (TKey*)keylist->At(ikey);
-      refHistoName = key->GetName();
-      hRef = (TH1F*)f.Get(refHistoName);
+      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++;
-      // Check if the reference histogram has too little statistics
-      if(hRef->GetEntries()>2) ok=kTRUE;
-      if(!ok && counter >= nMod*nCol*nRow){
-	Log("No histogram with enough statistics for reference.");
-	return 1;
+      
+      if(!ok && counter > nkeys){
+	Log("No histogram with enough statistics for reference. Exit.");
+	return 1; // Not fatal, just wait..
       }
     }
-
+    
     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++) {
-	  sprintf(hnam,"mod%dcol%drow%d",mod,col,row);
-	  histo = (TH1F*)f.Get(hnam);
+	  
+	  sprintf(hnam,"%d_%d_%d_1",mod,row,col); // high gain!
+	  h2 = (TH2F*)f.Get(hnam);
+	  
 	  //TODO: dead channels exclusion!
-	  if(histo) {
-	    coeff = histo->GetMean()/refMean;
-	    calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001/coeff);
+	  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+1,0.005/coeff);
+	    else 
+	      calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.005);
 	    AliInfo(Form("mod %d col %d row %d  coeff %f\n",mod,col,row,coeff));
 	  }
 	  else
-	    calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001); 
+	    calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.005); 
 	}
       }
     }
@@ -153,9 +560,8 @@ UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
     f.Close();
   }
   
-  AliCDBMetaData metaData;
-  Int_t result = Store("Calib", "EmcData", &calibData, &metaData);
+  return 1;
+}
 
-  return result;
+     
 
-}