[u/mrichter/AliRoot.git] / HMPID / AliHMPIDPreprocessor.cxx

#include "AliHMPIDPreprocessor.h" //header no includes
#include "AliHMPIDDigit.h"        //ProcPed()
#include "AliHMPIDRawStream.h"    //ProcPed()
#include <Riostream.h>            //ProcPed()  
#include <AliLog.h>               //all
#include <AliCDBMetaData.h>       //ProcPed(), ProcDcs()
#include <AliDCSValue.h>          //ProcDcs()
#include <TObjString.h>           //ProcDcs(), ProcPed()
#include <TTimeStamp.h>           //Initialize()
#include <TF1.h>                  //Process()
#include <TF2.h>                  //Process()
#include <TString.h>
#include <TGraph.h>               //Process()
#include <TMatrix.h>              //ProcPed()
#include <TList.h>                //ProcPed()
#include <TSystem.h>              //ProcPed()
//.
// HMPID Preprocessor base class
//.
//.
//.
ClassImp(AliHMPIDPreprocessor)

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliHMPIDPreprocessor::Initialize(Int_t run, UInt_t startTime,UInt_t endTime)
{
// Initialize the parameter coming from AliPreprocessor
//  run -> run number
// startTime -> starting time 
// endTime   -> ending time
  AliPreprocessor::Initialize(run, startTime, endTime);
  
  AliInfo(Form("HMPID started for Run %d \n\tStartTime %s \n\t  EndTime %s", run,TTimeStamp(startTime).AsString(),TTimeStamp(endTime).AsString()));

}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
UInt_t AliHMPIDPreprocessor::Process(TMap* pMap)
{
// Process all information from DCS and DAQ
// Arguments: pMap- map of DCS aliases
// Returns: 0 on success or 1 on error (opposite to Store!)

  TString runType = GetRunType();
  Log(Form(" AliHMPIDPreprocessor: RunType is %s",runType.Data()));
  
// start to check event type and procedures
  
  Log("HMPID - Process in Preprocessor started");
  if(! pMap) {
    Log("HMPID - ERROR - Not map of DCS aliases for HMPID - ");             return kTRUE;   // error in the DCS mapped aliases
  }   
  if (runType == "CALIBRATION"){
    if (!ProcPed()){
    	Log("HMPID - ERROR - Pedestal processing failed!!");                return kTRUE;   // error in pedestal processing
    } else {
    	Log("HMPID - Pedestal processing successful!!");                    return kFALSE;  // ok for pedestals
    }
  } else if ( runType=="STANDALONE" || runType=="PHYSICS"){
  if (!ProcDcs(pMap)){
    	Log("HMPID - ERROR - DCS processing failed!!");                     return kTRUE;   // error in DCS processing
    } else {
    	Log("HMPID - DCS processing successful!!");                         return kFALSE;  // ok for DCS
    }
  } else {
    Log("HMPID - Nothing to do with preprocessor for HMPID, bye!");         return kFALSE;  // ok - nothing done
  }
}//Process()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Bool_t AliHMPIDPreprocessor::ProcDcs(TMap* pMap)
{
// Process: 1 (old). inlet and outlet C6F14 temperature, stores TObjArray of 21 TF1, where TF1 is Nmean=f(t), one per radiator
// Process: 1. inlet and outlet C6F14 temperature, stores TObjArray of 42 TF1, where TF1 are Tin and Tout per radiator
//             + one function for the mean energy photon (in total 43).
//          2. CH4 pressure and HV                 stores TObjArray of 7 TF1 where TF1 is thr=f(t), one per chamber
// Arguments: pDcsMap - map of structure "alias name" - TObjArray of AliDCSValue
// Assume that: HV is the same during the run for a given chamber, different chambers might have different HV
//              P=f(t), different for different chambers
// Returns: kTRUE on success  

  Bool_t stDcsStore=kFALSE;

// Qthr=f(HV,P) [V,mBar]  logA0=k*HV+b is taken from p. 64 TDR plot 2.59 for PC32 
//                           A0=f(P) is taken from DiMauro mail
// Qthr is estimated as 3*A0

  TF2 thr("RthrCH4"  ,"3*10^(3.01e-3*x-4.72)+170745848*exp(-y*0.0162012)"             ,2000,3000,900,1200); 
  
  TObjArray arNmean(43);       arNmean.SetOwner(kTRUE);     //42 Tin and Tout one per radiator + 1 for ePhotMean
  TObjArray arQthre(42);       arQthre.SetOwner(kTRUE);     //42 Qthre=f(time) one per sector
  
  AliDCSValue *pVal; Int_t cnt=0;
  
  Double_t xP,yP;

  TF1 **pTin  = new TF1*[21];
  TF1 **pTout = new TF1*[21];

// evaluate Environment Pressure
  
  TObjArray *pPenv=(TObjArray*)pMap->GetValue("HMP_DET/HMP_ENV/HMP_ENV_PENV.actual.value");
  Log(Form(" Environment Pressure data              ---> %3i entries",pPenv->GetEntries()));
  if(pPenv->GetEntries()) {
    TIter nextPenv(pPenv);
    TGraph *pGrPenv=new TGraph; cnt=0;
    while((pVal=(AliDCSValue*)nextPenv())) pGrPenv->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());        //P env
    if( cnt==1) {
      pGrPenv->GetPoint(0,xP,yP);
      new TF1("Penv",Form("%f",yP),fStartTime,fEndTime);
    } else {
      pGrPenv->Fit(new TF1("Penv","1000+x*[0]",fStartTime,fEndTime),"Q");
    }
    delete pGrPenv;
  } else {AliWarning(" No Data Points from HMP_ENV_PENV.actual.value!");return kFALSE;}
    
// evaluate Pressure
  
  for(Int_t iCh=0;iCh<7;iCh++){                   
    TObjArray *pP =(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_GAS/HMP_MP%i_GAS_PMWPC.actual.value",iCh,iCh,iCh));
      Log(Form(" Pressure for module %i data             ---> %3i entries",iCh,pP->GetEntries()));
    if(pP->GetEntries()) {
      TIter nextP(pP);    
      TGraph *pGrP=new TGraph; cnt=0; 
      while((pVal=(AliDCSValue*)nextP())) pGrP->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());            //P
      if( cnt==1) {
        pGrP->GetPoint(0,xP,yP);
        new TF1(Form("P%i",iCh),Form("%f",yP),fStartTime,fEndTime);
      } else {
        pGrP->Fit(new TF1(Form("P%i",iCh),"[0] + x*[1]",fStartTime,fEndTime),"Q");
      }
      delete pGrP;
    } else {AliWarning(" No Data Points from HMP_MP0-6_GAS_PMWPC.actual.value!");return kFALSE;}
    
// evaluate High Voltage
    
    for(Int_t iSec=0;iSec<6;iSec++){
      TObjArray *pHV=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_PW/HMP_MP%i_SEC%i/HMP_MP%i_SEC%i_HV.actual.vMon",iCh,iCh,iCh,iSec,iCh,iSec));
      Log(Form(" HV for module %i and secto %i data       ---> %3i entries",iCh,iSec,pHV->GetEntries()));
      if(pHV->GetEntries()) {
        TIter nextHV(pHV);
        TGraph *pGrHV=new TGraph; cnt=0;
        while((pVal=(AliDCSValue*)nextHV())) pGrHV->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());            //HV
        if( cnt==1) {
          pGrHV->GetPoint(0,xP,yP);
          new TF1(Form("HV%i_%i",iCh,iSec),Form("%f",yP),fStartTime,fEndTime);               
        } else {
          pGrHV->Fit(new TF1(Form("HV%i_%i",iCh,iSec),"[0]+x*[1]",fStartTime,fEndTime),"Q");               
        }
        delete pGrHV;
      } else {AliWarning(" No Data Points from HMP_MP0-6_SEC0-5_HV.actual.vMon!");return kFALSE;}
     
// evaluate Qthre
     
      arQthre.AddAt(new TF1(Form("HMP_QthreC%iS%i",iCh,iSec),
          Form("3*10^(3.01e-3*HV%i_%i - 4.72)+170745848*exp(-(P%i+Penv)*0.0162012)",iCh,iSec,iCh),fStartTime,fEndTime),6*iCh+iSec);
    }
// evaluate Temperatures: in and out of the radiators    
    // T in
    for(Int_t iRad=0;iRad<3;iRad++){
      
      pTin[3*iCh+iRad]  = new TF1(Form("Tin%i%i" ,iCh,iRad),"[0]+[1]*x",fStartTime,fEndTime);
      pTout[3*iCh+iRad] = new TF1(Form("Tout%i%i",iCh,iRad),"[0]+[1]*x",fStartTime,fEndTime);          
      
      TObjArray *pT1=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iIn_Temp",iCh,iCh,iRad));  
      Log(Form(" Temperatures for module %i inside data  ---> %3i entries",iCh,pT1->GetEntries()));
      if(pT1->GetEntries()) {
        TIter nextT1(pT1);//Tin
        TGraph *pGrT1=new TGraph; cnt=0;  while((pVal=(AliDCSValue*)nextT1())) pGrT1->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T inlet
        if(cnt==1) { 
          pGrT1->GetPoint(0,xP,yP);
          pTin[3*iCh+iRad]->SetParameter(0,yP);
          pTin[3*iCh+iRad]->SetParameter(1,0);
        } else {
          pGrT1->Fit(pTin[3*iCh+iRad],"Q");
        }
        delete pGrT1;
      } else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2In_Temp!");return kFALSE;}
    // T out
      TObjArray *pT2=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iOut_Temp",iCh,iCh,iRad)); 
      Log(Form(" Temperatures for module %i outside data ---> %3i entries",iCh,pT2->GetEntries()));
      if(pT2->GetEntries()) {
        TIter nextT2(pT2);//Tout      
        TGraph *pGrT2=new TGraph; cnt=0;  while((pVal=(AliDCSValue*)nextT2())) pGrT2->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T outlet 
        if(cnt==1) { 
          pGrT2->GetPoint(0,xP,yP);
          pTout[3*iCh+iRad]->SetParameter(0,yP);
          pTout[3*iCh+iRad]->SetParameter(1,0);
        } else {
          pGrT2->Fit(pTout[3*iCh+iRad],"Q");
        }
        delete pGrT2;
      } else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2Out_Temp!");return kFALSE;}
	
// evaluate Mean Refractive Index
      
      arNmean.AddAt(pTin[3*iCh+iRad] ,6*iCh+2*iRad  ); //Tin =f(t)
      arNmean.AddAt(pTout[3*iCh+iRad],6*iCh+2*iRad+1); //Tout=f(t)
      
    }//radiators loop
  }//chambers loop
  
  Double_t eMean = ProcTrans(pMap);
  arNmean.AddAt(new TF1("HMP_PhotEmean",Form("%f",eMean),fStartTime,fEndTime),42); //Photon energy mean
    
  AliCDBMetaData metaData; 
  metaData.SetBeamPeriod(0); 
  metaData.SetResponsible("AliHMPIDPreprocessor"); 
  metaData.SetComment("HMPID preprocessor fills TObjArrays.");

  stDcsStore =   Store("Calib","Qthre",&arQthre,&metaData,0,kTRUE) &&    // from DCS  0,kTRUE generates the file from Run 0 to Run 99999999
                 Store("Calib","Nmean",&arNmean,&metaData,0,kTRUE);      // from DCS
//  stDcsStore =   Store("Calib","Qthre",&arQthre,&metaData) &&    // from DCS 
//                 Store("Calib","Nmean",&arNmean,&metaData);      // from DCS
  if(!stDcsStore) {
    Log("HMPID - failure to store DCS data results in OCDB");    
  }
  
//  arNmean.Delete();
//  arQthre.Delete();

//  for(Int_t i=0;i<21;i++) delete pTin[i]; delete []pTin;
//  for(Int_t i=0;i<21;i++) delete pTout[i]; delete []pTout;
  
  return stDcsStore;
}//Process()
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Bool_t AliHMPIDPreprocessor::ProcPed()
{
// Process pedestal files and create 7 M(padx,pady)=sigma, one for each chamber
// Arguments:
// Returns: kTRUE on success
  
  Bool_t stPedStore=kFALSE;
  AliHMPIDDigit dig;
  AliHMPIDRawStream rs;
  Int_t nSigCut,r,d,a,hard;  Float_t mean,sigma;
  Int_t  runNumber,ldcId,timeStamp,nEv,nDdlEv,nBadEv;  Char_t tName[10]; 
  Float_t nBadEvPer;
  
  TObjArray aDaqSig(7); aDaqSig.SetOwner(kTRUE); for(Int_t i=0;i<7;i++) aDaqSig.AddAt(new TMatrix(160,144),i); //TObjArray of 7 TMatrixF, m(padx,pady)=sigma
  
  for(Int_t iddl=0;iddl<AliHMPIDRawStream::kNDDL;iddl++)            //retrieve the files from LDCs independently the DDL<->LDC connection
  {
    TList *pLdc=GetFileSources(kDAQ,Form("HmpidPedDdl%02i.txt",iddl)); //get list of LDC names containing id "pedestals"
    if(!pLdc) {Log(Form("ERROR: Retrieval of sources for pedestals: HmpidPedDdl%02i.txt failed!",iddl));continue;}
    
    Log(Form("HMPID - Pedestal files to be read --> %i LDCs for HMPID",pLdc->GetEntries()));
    for(Int_t i=0;i<pLdc->GetEntries();i++) {//lists of LDCs -- but in general we have 1 LDC for 1 ped file
    TString fileName = GetFile(kDAQ,Form("HmpidPedDdl%02i.txt",iddl),((TObjString*)pLdc->At(i))->GetName());
    if(fileName.Length()==0) {Log(Form("ERROR retrieving pedestal file: HmpidPedDdl%02i.txt!",iddl));continue;}
  
    //reading pedestal file
    ifstream infile(fileName.Data()); 
    
    if(!infile.is_open()) {Log("No pedestal file found for HMPID,bye!");continue;}
    TMatrix *pM=(TMatrixF*)aDaqSig.At(iddl/2);
  
    infile>>tName>>runNumber;Printf("Xcheck: reading run %i",runNumber);
    infile>>tName>>ldcId;
    infile>>tName>>timeStamp;
    infile>>tName>>nEv; 
    infile>>tName>>nDdlEv;
    infile>>tName>>nBadEv;
    infile>>tName>>nBadEvPer;
    infile>>tName>>nSigCut; pM->SetUniqueID(nSigCut); //n. of pedestal distribution sigmas used to create zero suppresion table
    while(!infile.eof()){
      infile>>dec>>r>>d>>a>>mean>>sigma>>hex>>hard;
      if(rs.GetPad(iddl,r,d,a)>=0){			//the GetPad returns meaningful abs pad number								
      dig.SetPad(rs.GetPad(iddl,r,d,a));
      dig.SetQ((Int_t)mean);
      (*pM)(dig.PadChX(),dig.PadChY()) = sigma;
      }
    }
    infile.close();
    Log(Form("Pedestal file for DDL %i read successfully",iddl));
  
  }//LDCs reading entries

 }//DDL 

  AliCDBMetaData metaData; 
  metaData.SetBeamPeriod(0); 
  metaData.SetResponsible("AliHMPIDPreprocessor"); 
  metaData.SetComment("HMPID processor fills TObjArrays.");  
  stPedStore = Store("Calib","DaqSig",&aDaqSig,&metaData,0,kTRUE);
//  stPedStore = Store("Calib","DaqSig",&aDaqSig,&metaData);
  if(!stPedStore) {
    Log("HMPID - failure to store PEDESTAL data results in OCDB");    
  }
  return stPedStore;
  
}//ProcPed()  
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Double_t AliHMPIDPreprocessor::ProcTrans(TMap* pMap)
{
  //  Process transparency monitoring data and calculates Emean  

  
  Double_t sEnergProb=0, sProb=0;

  Double_t tRefCR5 = 19. ;                                      // mean temperature of CR5 where the system is in place

  Double_t eMean = 0;
      
  AliDCSValue *pVal;

  for(Int_t i=0; i<30; i++){

    // evaluate wavelenght 
    TObjArray *pWaveLenght  = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].waveLenght",i));
    TIter NextWl(pWaveLenght); pVal=(AliDCSValue*)NextWl();
    Double_t lambda = pVal->GetFloat();

    Double_t photEn = 1239.842609/lambda;     // 1239.842609 from nm to eV
    
    if(photEn<AliHMPIDParam::EPhotMin() || photEn>AliHMPIDParam::EPhotMax()) continue;
    
    // evaluate phototube current for argon reference
    TObjArray *pArgonRef  = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].argonReference",i));
    TIter NextArRef(pArgonRef); pVal=(AliDCSValue*)NextArRef();
    Double_t aRefArgon = pVal->GetFloat();

    // evaluate phototube current for argon cell
    TObjArray *pArgonCell = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].argonCell",i));
    TIter NextArCell(pArgonCell); pVal=(AliDCSValue*)NextArCell();
    Double_t aCellArgon = pVal->GetFloat();

    //evaluate phototube current for freon reference
    TObjArray *pFreonRef  = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].c6f14Reference",i));
    TIter NextFrRef(pFreonRef); pVal=(AliDCSValue*)NextFrRef();
    Double_t aRefFreon = pVal->GetFloat();

    //evaluate phototube current for freon cell
    TObjArray *pFreonCell = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].c6f14Cell",i));
    TIter NextFrCell(pFreonCell); pVal=(AliDCSValue*)NextFrCell();
    Double_t aCellFreon = pVal->GetFloat();
 
   //evaluate correction factor to calculate trasparency (Ref. NIMA 486 (2002) 590-609)
    
    Double_t aN1 = AliHMPIDParam::NIdxRad(photEn,tRefCR5);
    Double_t aN2 = AliHMPIDParam::NMgF2Idx(photEn);
    Double_t aN3 = 1;                              // Argon Idx

    Double_t aR1               = ((aN1 - aN2)*(aN1 - aN2))/((aN1 + aN2)*(aN1 + aN2));
    Double_t aR2               = ((aN2 - aN3)*(aN2 - aN3))/((aN2 + aN3)*(aN2 + aN3));
    Double_t aT1               = (1 - aR1);
    Double_t aT2               = (1 - aR2);
    Double_t aCorrFactor       = (aT1*aT1)/(aT2*aT2);

    // evaluate 15 mm of thickness C6F14 Trans
    Double_t aTransRad;
    
    if(aRefFreon*aRefArgon>0) {
      aTransRad  = TMath::Power((aCellFreon/aRefFreon)/(aCellArgon/aRefArgon)*aCorrFactor,1.5);
    } else {
      return DefaultEMean();
    }

    // evaluate 0.5 mm of thickness SiO2 Trans
    Double_t aTransSiO2 = TMath::Exp(-0.5/AliHMPIDParam::LAbsWin(photEn));

    // evaluate 80 cm of thickness Gap (low density CH4) transparency
    Double_t aTransGap  = TMath::Exp(-80./AliHMPIDParam::LAbsGap(photEn));

    // evaluate CsI quantum efficiency
    Double_t aCsIQE            = AliHMPIDParam::QEffCSI(photEn);

    // evaluate total convolution of all material optical properties
    Double_t aTotConvolution   = aTransRad*aTransSiO2*aTransGap*aCsIQE;

    sEnergProb+=aTotConvolution*photEn;  
  
    sProb+=aTotConvolution;  
}

  if(sProb>0) {
    eMean = sEnergProb/sProb;
  } else {
    return DefaultEMean();
  }

  Log(Form(" Mean energy photon calculated ---> %f eV ",eMean));

  if(eMean<AliHMPIDParam::EPhotMin() || eMean>AliHMPIDParam::EPhotMax()) return DefaultEMean();
  
  return eMean;

}   
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Double_t AliHMPIDPreprocessor::DefaultEMean()
{
    Double_t eMean = 6.675;      //just set a refractive index for C6F14 at ephot=6.675 eV @ T=25 C
    AliWarning(Form("Mean energy for photons out of range [%f,%f] in Preprocessor. Default value Eph=%f eV taken.",AliHMPIDParam::EPhotMin(),
                                                                                                                   AliHMPIDParam::EPhotMax(),
                                                                                                                   eMean));
    return eMean;
}
Commit	Line	Data
56d2de52	1	#include "AliHMPIDPreprocessor.h" //header no includes
56d2de52	2	#include "AliHMPIDDigit.h" //ProcPed()
21f61e25	3	#include "AliHMPIDRawStream.h" //ProcPed()
56d2de52	4	#include <Riostream.h> //ProcPed()
ad712d2e	5	#include <AliLog.h> //all
56d2de52	6	#include <AliCDBMetaData.h> //ProcPed(), ProcDcs()
	7	#include <AliDCSValue.h> //ProcDcs()
	8	#include <TObjString.h> //ProcDcs(), ProcPed()
ad712d2e	9	#include <TTimeStamp.h> //Initialize()
56d2de52	10	#include <TF1.h> //Process()
56d2de52	11	#include <TF2.h> //Process()
520ee7b5	12	#include <TString.h>
56d2de52	13	#include <TGraph.h> //Process()
	14	#include <TMatrix.h> //ProcPed()
	15	#include <TList.h> //ProcPed()
	16	#include <TSystem.h> //ProcPed()
423554a3	17	//.
	18	// HMPID Preprocessor base class
	19	//.
	20	//.
	21	//.
d3da6dc4	22	ClassImp(AliHMPIDPreprocessor)
	23
	24	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	25	void AliHMPIDPreprocessor::Initialize(Int_t run, UInt_t startTime,UInt_t endTime)
	26	{
b38ac33a	27	// Initialize the parameter coming from AliPreprocessor
	28	// run -> run number
	29	// startTime -> starting time
	30	// endTime -> ending time
d3da6dc4	31	AliPreprocessor::Initialize(run, startTime, endTime);
ad712d2e	32
	33	AliInfo(Form("HMPID started for Run %d \n\tStartTime %s \n\t EndTime %s", run,TTimeStamp(startTime).AsString(),TTimeStamp(endTime).AsString()));
	34
d3da6dc4	35	}
d3da6dc4	36	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
abb5f786	37	UInt_t AliHMPIDPreprocessor::Process(TMap* pMap)
d3da6dc4	38	{
56d2de52	39	// Process all information from DCS and DAQ
56d2de52	40	// Arguments: pMap- map of DCS aliases
ad712d2e	41	// Returns: 0 on success or 1 on error (opposite to Store!)
af66844d	42
9cc1a411	43	TString runType = GetRunType();
ad712d2e	44	Log(Form(" AliHMPIDPreprocessor: RunType is %s",runType.Data()));
af66844d	45
	46	// start to check event type and procedures
	47
	48	Log("HMPID - Process in Preprocessor started");
	49	if(! pMap) {
	50	Log("HMPID - ERROR - Not map of DCS aliases for HMPID - "); return kTRUE; // error in the DCS mapped aliases
	51	}
520ee7b5	52	if (runType == "CALIBRATION"){
af66844d	53	if (!ProcPed()){
	54	Log("HMPID - ERROR - Pedestal processing failed!!"); return kTRUE; // error in pedestal processing
	55	} else {
	56	Log("HMPID - Pedestal processing successful!!"); return kFALSE; // ok for pedestals
	57	}
520ee7b5	58	} else if ( runType=="STANDALONE" \|\| runType=="PHYSICS"){
f455af6e	59	if (!ProcDcs(pMap)){
af66844d	60	Log("HMPID - ERROR - DCS processing failed!!"); return kTRUE; // error in DCS processing
	61	} else {
	62	Log("HMPID - DCS processing successful!!"); return kFALSE; // ok for DCS
	63	}
9cc1a411	64	} else {
af66844d	65	Log("HMPID - Nothing to do with preprocessor for HMPID, bye!"); return kFALSE; // ok - nothing done
9cc1a411	66	}
56d2de52	67	}//Process()
	68	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	69	Bool_t AliHMPIDPreprocessor::ProcDcs(TMap* pMap)
	70	{
f455af6e	71	// Process: 1 (old). inlet and outlet C6F14 temperature, stores TObjArray of 21 TF1, where TF1 is Nmean=f(t), one per radiator
	72	// Process: 1. inlet and outlet C6F14 temperature, stores TObjArray of 42 TF1, where TF1 are Tin and Tout per radiator
	73	// + one function for the mean energy photon (in total 43).
abb5f786	74	// 2. CH4 pressure and HV stores TObjArray of 7 TF1 where TF1 is thr=f(t), one per chamber
	75	// Arguments: pDcsMap - map of structure "alias name" - TObjArray of AliDCSValue
	76	// Assume that: HV is the same during the run for a given chamber, different chambers might have different HV
a0e5c1b9	77	// P=f(t), different for different chambers
56d2de52	78	// Returns: kTRUE on success
d3da6dc4	79
ad712d2e	80	Bool_t stDcsStore=kFALSE;
ad712d2e	81
56d2de52	82	// Qthr=f(HV,P) [V,mBar] logA0=k*HV+b is taken from p. 64 TDR plot 2.59 for PC32
	83	// A0=f(P) is taken from DiMauro mail
	84	// Qthr is estimated as 3*A0
f455af6e	85
56d2de52	86	TF2 thr("RthrCH4" ,"310^(3.01e-3x-4.72)+170745848exp(-y0.0162012)" ,2000,3000,900,1200);
56d2de52	87
f455af6e	88	TObjArray arNmean(43); arNmean.SetOwner(kTRUE); //42 Tin and Tout one per radiator + 1 for ePhotMean
49881df7	89	TObjArray arQthre(42); arQthre.SetOwner(kTRUE); //42 Qthre=f(time) one per sector
d3da6dc4	90
56d2de52	91	AliDCSValue *pVal; Int_t cnt=0;
32d20573	92
32d20573	93	Double_t xP,yP;
f357a568	94
f455af6e	95	TF1 *pTin = new TF1[21];
	96	TF1 *pTout = new TF1[21];
	97
32d20573	98	// evaluate Environment Pressure
	99
	100	TObjArray pPenv=(TObjArray)pMap->GetValue("HMP_DET/HMP_ENV/HMP_ENV_PENV.actual.value");
7b2a49b9	101	Log(Form(" Environment Pressure data ---> %3i entries",pPenv->GetEntries()));
32d20573	102	if(pPenv->GetEntries()) {
	103	TIter nextPenv(pPenv);
	104	TGraph *pGrPenv=new TGraph; cnt=0;
	105	while((pVal=(AliDCSValue*)nextPenv())) pGrPenv->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //P env
	106	if( cnt==1) {
	107	pGrPenv->GetPoint(0,xP,yP);
	108	new TF1("Penv",Form("%f",yP),fStartTime,fEndTime);
	109	} else {
	110	pGrPenv->Fit(new TF1("Penv","1000+x*[0]",fStartTime,fEndTime),"Q");
	111	}
	112	delete pGrPenv;
	113	} else {AliWarning(" No Data Points from HMP_ENV_PENV.actual.value!");return kFALSE;}
abb5f786	114
ad712d2e	115	// evaluate Pressure
32d20573	116
32d20573	117	for(Int_t iCh=0;iCh<7;iCh++){
49881df7	118	TObjArray pP =(TObjArray)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_GAS/HMP_MP%i_GAS_PMWPC.actual.value",iCh,iCh,iCh));
7b2a49b9	119	Log(Form(" Pressure for module %i data ---> %3i entries",iCh,pP->GetEntries()));
32d20573	120	if(pP->GetEntries()) {
	121	TIter nextP(pP);
	122	TGraph *pGrP=new TGraph; cnt=0;
	123	while((pVal=(AliDCSValue*)nextP())) pGrP->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //P
	124	if( cnt==1) {
	125	pGrP->GetPoint(0,xP,yP);
	126	new TF1(Form("P%i",iCh),Form("%f",yP),fStartTime,fEndTime);
	127	} else {
	128	pGrP->Fit(new TF1(Form("P%i",iCh),"[0] + x*[1]",fStartTime,fEndTime),"Q");
	129	}
	130	delete pGrP;
	131	} else {AliWarning(" No Data Points from HMP_MP0-6_GAS_PMWPC.actual.value!");return kFALSE;}
afe12692	132
49881df7	133	// evaluate High Voltage
32d20573	134
	135	for(Int_t iSec=0;iSec<6;iSec++){
	136	TObjArray pHV=(TObjArray)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_PW/HMP_MP%i_SEC%i/HMP_MP%i_SEC%i_HV.actual.vMon",iCh,iCh,iCh,iSec,iCh,iSec));
7b2a49b9	137	Log(Form(" HV for module %i and secto %i data ---> %3i entries",iCh,iSec,pHV->GetEntries()));
32d20573	138	if(pHV->GetEntries()) {
	139	TIter nextHV(pHV);
	140	TGraph *pGrHV=new TGraph; cnt=0;
	141	while((pVal=(AliDCSValue*)nextHV())) pGrHV->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //HV
	142	if( cnt==1) {
	143	pGrHV->GetPoint(0,xP,yP);
	144	new TF1(Form("HV%i_%i",iCh,iSec),Form("%f",yP),fStartTime,fEndTime);
	145	} else {
	146	pGrHV->Fit(new TF1(Form("HV%i_%i",iCh,iSec),"[0]+x*[1]",fStartTime,fEndTime),"Q");
	147	}
	148	delete pGrHV;
	149	} else {AliWarning(" No Data Points from HMP_MP0-6_SEC0-5_HV.actual.vMon!");return kFALSE;}
	150
ad712d2e	151	// evaluate Qthre
32d20573	152
	153	arQthre.AddAt(new TF1(Form("HMP_QthreC%iS%i",iCh,iSec),
	154	Form("310^(3.01e-3HV%i_%i - 4.72)+170745848exp(-(P%i+Penv)0.0162012)",iCh,iSec,iCh),fStartTime,fEndTime),6*iCh+iSec);
49881df7	155	}
32d20573	156	// evaluate Temperatures: in and out of the radiators
32d20573	157	// T in
d3da6dc4	158	for(Int_t iRad=0;iRad<3;iRad++){
f455af6e	159
	160	pTin[3iCh+iRad] = new TF1(Form("Tin%i%i" ,iCh,iRad),"[0]+[1]x",fStartTime,fEndTime);
	161	pTout[3iCh+iRad] = new TF1(Form("Tout%i%i",iCh,iRad),"[0]+[1]x",fStartTime,fEndTime);
	162
32d20573	163	TObjArray pT1=(TObjArray)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iIn_Temp",iCh,iCh,iRad));
7b2a49b9	164	Log(Form(" Temperatures for module %i inside data ---> %3i entries",iCh,pT1->GetEntries()));
32d20573	165	if(pT1->GetEntries()) {
	166	TIter nextT1(pT1);//Tin
	167	TGraph pGrT1=new TGraph; cnt=0; while((pVal=(AliDCSValue)nextT1())) pGrT1->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T inlet
	168	if(cnt==1) {
	169	pGrT1->GetPoint(0,xP,yP);
f455af6e	170	pTin[3*iCh+iRad]->SetParameter(0,yP);
f455af6e	171	pTin[3*iCh+iRad]->SetParameter(1,0);
32d20573	172	} else {
f455af6e	173	pGrT1->Fit(pTin[3*iCh+iRad],"Q");
32d20573	174	}
	175	delete pGrT1;
	176	} else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2In_Temp!");return kFALSE;}
	177	// T out
	178	TObjArray pT2=(TObjArray)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iOut_Temp",iCh,iCh,iRad));
7b2a49b9	179	Log(Form(" Temperatures for module %i outside data ---> %3i entries",iCh,pT2->GetEntries()));
32d20573	180	if(pT2->GetEntries()) {
	181	TIter nextT2(pT2);//Tout
	182	TGraph pGrT2=new TGraph; cnt=0; while((pVal=(AliDCSValue)nextT2())) pGrT2->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T outlet
	183	if(cnt==1) {
	184	pGrT2->GetPoint(0,xP,yP);
f455af6e	185	pTout[3*iCh+iRad]->SetParameter(0,yP);
f455af6e	186	pTout[3*iCh+iRad]->SetParameter(1,0);
32d20573	187	} else {
f455af6e	188	pGrT2->Fit(pTout[3*iCh+iRad],"Q");
32d20573	189	}
	190	delete pGrT2;
	191	} else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2Out_Temp!");return kFALSE;}
43724042	192
ad712d2e	193	// evaluate Mean Refractive Index
32d20573	194
f455af6e	195	arNmean.AddAt(pTin[3iCh+iRad] ,6iCh+2*iRad ); //Tin =f(t)
f455af6e	196	arNmean.AddAt(pTout[3iCh+iRad],6iCh+2*iRad+1); //Tout=f(t)
32d20573	197
d3da6dc4	198	}//radiators loop
	199	}//chambers loop
	200
f455af6e	201	Double_t eMean = ProcTrans(pMap);
	202	arNmean.AddAt(new TF1("HMP_PhotEmean",Form("%f",eMean),fStartTime,fEndTime),42); //Photon energy mean
	203
ad712d2e	204	AliCDBMetaData metaData;
	205	metaData.SetBeamPeriod(0);
	206	metaData.SetResponsible("AliHMPIDPreprocessor");
b7c14c1c	207	metaData.SetComment("HMPID preprocessor fills TObjArrays.");
ad712d2e	208
8f2dafcf	209	stDcsStore = Store("Calib","Qthre",&arQthre,&metaData,0,kTRUE) && // from DCS 0,kTRUE generates the file from Run 0 to Run 99999999
	210	Store("Calib","Nmean",&arNmean,&metaData,0,kTRUE); // from DCS
	211	// stDcsStore = Store("Calib","Qthre",&arQthre,&metaData) && // from DCS
	212	// Store("Calib","Nmean",&arNmean,&metaData); // from DCS
ad712d2e	213	if(!stDcsStore) {
	214	Log("HMPID - failure to store DCS data results in OCDB");
	215	}
f455af6e	216
	217	// arNmean.Delete();
	218	// arQthre.Delete();
	219
	220	// for(Int_t i=0;i<21;i++) delete pTin[i]; delete []pTin;
	221	// for(Int_t i=0;i<21;i++) delete pTout[i]; delete []pTout;
	222
ad712d2e	223	return stDcsStore;
d3da6dc4	224	}//Process()
d3da6dc4	225	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
56d2de52	226	Bool_t AliHMPIDPreprocessor::ProcPed()
	227	{
	228	// Process pedestal files and create 7 M(padx,pady)=sigma, one for each chamber
	229	// Arguments:
48558cb5	230	// Returns: kTRUE on success
ad712d2e	231
ad712d2e	232	Bool_t stPedStore=kFALSE;
56d2de52	233	AliHMPIDDigit dig;
21f61e25	234	AliHMPIDRawStream rs;
56d2de52	235	Int_t nSigCut,r,d,a,hard; Float_t mean,sigma;
7c912209	236	Int_t runNumber,ldcId,timeStamp,nEv,nDdlEv,nBadEv; Char_t tName[10];
7c912209	237	Float_t nBadEvPer;
48558cb5	238
	239	TObjArray aDaqSig(7); aDaqSig.SetOwner(kTRUE); for(Int_t i=0;i<7;i++) aDaqSig.AddAt(new TMatrix(160,144),i); //TObjArray of 7 TMatrixF, m(padx,pady)=sigma
	240
	241	for(Int_t iddl=0;iddl<AliHMPIDRawStream::kNDDL;iddl++) //retrieve the files from LDCs independently the DDL<->LDC connection
	242	{
	243	TList *pLdc=GetFileSources(kDAQ,Form("HmpidPedDdl%02i.txt",iddl)); //get list of LDC names containing id "pedestals"
	244	if(!pLdc) {Log(Form("ERROR: Retrieval of sources for pedestals: HmpidPedDdl%02i.txt failed!",iddl));continue;}
9477d3cd	245
48558cb5	246	Log(Form("HMPID - Pedestal files to be read --> %i LDCs for HMPID",pLdc->GetEntries()));
	247	for(Int_t i=0;i<pLdc->GetEntries();i++) {//lists of LDCs -- but in general we have 1 LDC for 1 ped file
	248	TString fileName = GetFile(kDAQ,Form("HmpidPedDdl%02i.txt",iddl),((TObjString*)pLdc->At(i))->GetName());
	249	if(fileName.Length()==0) {Log(Form("ERROR retrieving pedestal file: HmpidPedDdl%02i.txt!",iddl));continue;}
b7c14c1c	250
48558cb5	251	//reading pedestal file
70e96725	252	ifstream infile(fileName.Data());
70e96725	253
48558cb5	254	if(!infile.is_open()) {Log("No pedestal file found for HMPID,bye!");continue;}
	255	TMatrix pM=(TMatrixF)aDaqSig.At(iddl/2);
	256
70e96725	257	infile>>tName>>runNumber;Printf("Xcheck: reading run %i",runNumber);
9477d3cd	258	infile>>tName>>ldcId;
	259	infile>>tName>>timeStamp;
	260	infile>>tName>>nEv;
7c912209	261	infile>>tName>>nDdlEv;
	262	infile>>tName>>nBadEv;
	263	infile>>tName>>nBadEvPer;
b7c14c1c	264	infile>>tName>>nSigCut; pM->SetUniqueID(nSigCut); //n. of pedestal distribution sigmas used to create zero suppresion table
56d2de52	265	while(!infile.eof()){
ec575c20	266	infile>>dec>>r>>d>>a>>mean>>sigma>>hex>>hard;
df8ff88a	267	if(rs.GetPad(iddl,r,d,a)>=0){ //the GetPad returns meaningful abs pad number
ec575c20	268	dig.SetPad(rs.GetPad(iddl,r,d,a));
ec575c20	269	dig.SetQ((Int_t)mean);
ab5ca5d6	270	(*pM)(dig.PadChX(),dig.PadChY()) = sigma;
df8ff88a	271	}
56d2de52	272	}
56d2de52	273	infile.close();
48558cb5	274	Log(Form("Pedestal file for DDL %i read successfully",iddl));
ad712d2e	275
48558cb5	276	}//LDCs reading entries
	277
	278	}//DDL
	279
ad712d2e	280	AliCDBMetaData metaData;
	281	metaData.SetBeamPeriod(0);
	282	metaData.SetResponsible("AliHMPIDPreprocessor");
48558cb5	283	metaData.SetComment("HMPID processor fills TObjArrays.");
ad712d2e	284	stPedStore = Store("Calib","DaqSig",&aDaqSig,&metaData,0,kTRUE);
8f2dafcf	285	// stPedStore = Store("Calib","DaqSig",&aDaqSig,&metaData);
ad712d2e	286	if(!stPedStore) {
	287	Log("HMPID - failure to store PEDESTAL data results in OCDB");
	288	}
	289	return stPedStore;
	290
56d2de52	291	}//ProcPed()
56d2de52	292	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
f455af6e	293	Double_t AliHMPIDPreprocessor::ProcTrans(TMap* pMap)
56d2de52	294	{
f455af6e	295	// Process transparency monitoring data and calculates Emean
	296
	297
	298	Double_t sEnergProb=0, sProb=0;
	299
	300	Double_t tRefCR5 = 19. ; // mean temperature of CR5 where the system is in place
	301
	302	Double_t eMean = 0;
	303
	304	AliDCSValue *pVal;
	305
	306	for(Int_t i=0; i<30; i++){
	307
	308	// evaluate wavelenght
	309	TObjArray pWaveLenght = (TObjArray)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].waveLenght",i));
	310	TIter NextWl(pWaveLenght); pVal=(AliDCSValue*)NextWl();
	311	Double_t lambda = pVal->GetFloat();
	312
	313	Double_t photEn = 1239.842609/lambda; // 1239.842609 from nm to eV
	314
	315	if(photEn<AliHMPIDParam::EPhotMin() \|\| photEn>AliHMPIDParam::EPhotMax()) continue;
	316
	317	// evaluate phototube current for argon reference
	318	TObjArray pArgonRef = (TObjArray)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].argonReference",i));
	319	TIter NextArRef(pArgonRef); pVal=(AliDCSValue*)NextArRef();
	320	Double_t aRefArgon = pVal->GetFloat();
	321
	322	// evaluate phototube current for argon cell
	323	TObjArray pArgonCell = (TObjArray)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].argonCell",i));
	324	TIter NextArCell(pArgonCell); pVal=(AliDCSValue*)NextArCell();
	325	Double_t aCellArgon = pVal->GetFloat();
	326
	327	//evaluate phototube current for freon reference
	328	TObjArray pFreonRef = (TObjArray)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].c6f14Reference",i));
	329	TIter NextFrRef(pFreonRef); pVal=(AliDCSValue*)NextFrRef();
	330	Double_t aRefFreon = pVal->GetFloat();
	331
	332	//evaluate phototube current for freon cell
	333	TObjArray pFreonCell = (TObjArray)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.measure[%i].c6f14Cell",i));
	334	TIter NextFrCell(pFreonCell); pVal=(AliDCSValue*)NextFrCell();
	335	Double_t aCellFreon = pVal->GetFloat();
	336
	337	//evaluate correction factor to calculate trasparency (Ref. NIMA 486 (2002) 590-609)
	338
	339	Double_t aN1 = AliHMPIDParam::NIdxRad(photEn,tRefCR5);
	340	Double_t aN2 = AliHMPIDParam::NMgF2Idx(photEn);
	341	Double_t aN3 = 1; // Argon Idx
	342
	343	Double_t aR1 = ((aN1 - aN2)(aN1 - aN2))/((aN1 + aN2)(aN1 + aN2));
	344	Double_t aR2 = ((aN2 - aN3)(aN2 - aN3))/((aN2 + aN3)(aN2 + aN3));
	345	Double_t aT1 = (1 - aR1);
	346	Double_t aT2 = (1 - aR2);
	347	Double_t aCorrFactor = (aT1aT1)/(aT2aT2);
	348
	349	// evaluate 15 mm of thickness C6F14 Trans
	350	Double_t aTransRad;
	351
	352	if(aRefFreon*aRefArgon>0) {
	353	aTransRad = TMath::Power((aCellFreon/aRefFreon)/(aCellArgon/aRefArgon)*aCorrFactor,1.5);
	354	} else {
	355	return DefaultEMean();
	356	}
	357
	358	// evaluate 0.5 mm of thickness SiO2 Trans
359	Double_t aTransSiO2 = TMath::Exp(-0.5/AliHMPIDParam::LAbsWin(photEn));
360
361	// evaluate 80 cm of thickness Gap (low density CH4) transparency
362	Double_t aTransGap = TMath::Exp(-80./AliHMPIDParam::LAbsGap(photEn));
363
364	// evaluate CsI quantum efficiency
365	Double_t aCsIQE = AliHMPIDParam::QEffCSI(photEn);
366
367	// evaluate total convolution of all material optical properties
368	Double_t aTotConvolution = aTransRadaTransSiO2aTransGap*aCsIQE;
369
370	sEnergProb+=aTotConvolution*photEn;
371
372	sProb+=aTotConvolution;
373	}
374
375	if(sProb>0) {
376	eMean = sEnergProb/sProb;
377	} else {
378	return DefaultEMean();
379	}
380
381	Log(Form(" Mean energy photon calculated ---> %f eV ",eMean));
382
383	if(eMean<AliHMPIDParam::EPhotMin() \|\| eMean>AliHMPIDParam::EPhotMax()) return DefaultEMean();
384
56d2de52	385	return eMean;
f455af6e	386
56d2de52	387	}
56d2de52	388	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
f455af6e	389	Double_t AliHMPIDPreprocessor::DefaultEMean()
	390	{
	391	Double_t eMean = 6.675; //just set a refractive index for C6F14 at ephot=6.675 eV @ T=25 C
	392	AliWarning(Form("Mean energy for photons out of range [%f,%f] in Preprocessor. Default value Eph=%f eV taken.",AliHMPIDParam::EPhotMin(),
	393	AliHMPIDParam::EPhotMax(),
	394	eMean));
	395	return eMean;
	396	}