HMPID/AliHMPIDPreprocessor.cxx

   1 #include "AliHMPIDPreprocessor.h" //header no includes
   2 #include "AliHMPIDDigit.h"        //ProcPed()
   3 #include "AliHMPIDRawStream.h"    //ProcPed()
   4 #include <Riostream.h>            //ProcPed()
   5 #include <AliLog.h>               //all
   6 #include <AliCDBMetaData.h>       //ProcPed(), ProcDcs()
   7 #include <AliDCSValue.h>          //ProcDcs()
   8 #include <TObjString.h>           //ProcDcs(), ProcPed()
   9 #include <TTimeStamp.h>           //Initialize()
  10 #include <TF1.h>                  //Process()
  11 #include <TF2.h>                  //Process()
  12 #include <TString.h>
  13 #include <TGraph.h>               //Process()
  14 #include <TMatrix.h>              //ProcPed()
  15 #include <TList.h>                //ProcPed()
  16 #include <TSystem.h>              //ProcPed()
  17 //.
  18 // HMPID Preprocessor base class
  19 //.
  20 //.
  21 //.
  22 ClassImp(AliHMPIDPreprocessor)
  23
  24 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  25 void AliHMPIDPreprocessor::Initialize(Int_t run, UInt_t startTime,UInt_t endTime)
  26 {
  27 // Initialize the parameter coming from AliPreprocessor
  28 //  run -> run number
  29 // startTime -> starting time
  30 // endTime   -> ending time
  31   AliPreprocessor::Initialize(run, startTime, endTime);
  32
  33   AliInfo(Form("HMPID started for Run %d \n\tStartTime %s \n\t  EndTime %s", run,TTimeStamp(startTime).AsString(),TTimeStamp(endTime).AsString()));
  34
  35 }
  36 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  37 UInt_t AliHMPIDPreprocessor::Process(TMap* pMap)
  38 {
  39 // Process all information from DCS and DAQ
  40 // Arguments: pMap- map of DCS aliases
  41 // Returns: 0 on success or 1 on error (opposite to Store!)
  42
  43   TString runType = GetRunType();
  44   Log(Form(" AliHMPIDPreprocessor: RunType is %s",runType.Data()));
  45   Bool_t statusNoise=kFALSE, statusDcs=kFALSE;
  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   }
  52   if (runType == "CALIBRATION"){
  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     }
  58   }//CALIBRATION
  59   else if ( runType=="STANDALONE" || runType=="PHYSICS"){
  60    statusDcs=ProcDcs(pMap);
  61    statusNoise=ProcNoiseMap();
  62    if(!statusDcs || !statusNoise) { Log(Form("HMPID - ERROR - Noise Map(%d) and/or DCS(%d) processing failed!! (0=OK, 1=FAILED)",statusNoise,statusDcs)); return kTRUE; }  // error in Noise Map or DCS processing
  63    else                           { Log("HMPID - Noise Map and DCS processing successful!!");  return kFALSE;}  // ok
  64   }//STANDALONE or PHYSICS run
  65    else {
  66     Log("HMPID - Nothing to do with preprocessor for HMPID, bye!");         return kFALSE;  // ok - nothing done
  67   }
  68 }//Process()
  69 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  70 Bool_t AliHMPIDPreprocessor::ProcNoiseMap()
  71 {
  72   //
  73   // Goal: Process the Noise Map created by the HMP Physics DA to mask
  74   // noisy channels from reconstruction and follow changes in accepatnce
  75   // eg. DDL turn on/off after PEDESTAL run and between PHYSICS runs.
  76   // Returns kFALSE on success
  77
  78   Bool_t stProcNoise=kFALSE;
  79   TFile  *fNoiseFile;
  80   TH2F   *hNoiseMap = 0x0;
  81
  82   TList *pNoiseSource=GetFileSources(kDAQ,"HmpPhysicsDaNoiseMap.root"); //get list of DAQ source names containing id "HmpPhysicsDaNoiseMap" --> defined in HMPIDphysda.cxx
  83   if(!pNoiseSource) {Log(Form("ERROR: Retrieval of sources for noise map: HmpPhysicsDaNoiseMap.root is failed!")); return stProcNoise;}
  84   if(!(TObjString*)pNoiseSource->At(0)) {Log(Form("ERROR: empty list received from DAQ Source!")); return stProcNoise;}
  85
  86   TString noiseFile = GetFile(kDAQ,Form("HmpPhysicsDaNoiseMap.root"),((TObjString*)pNoiseSource->At(0))->GetName());
  87   if(noiseFile.Length()==0) {Log(Form("ERROR retrieving noise map file: HmpPhysicsDaNoiseMap.root")); return stProcNoise;}
  88
  89   fNoiseFile = TFile::Open(noiseFile.Data(),"read");
  90   if(!fNoiseFile) {Log(Form("ERROR cannot open NoiseFile: %s!",noiseFile.Data())); return stProcNoise;}
  91   hNoiseMap = (TH2F*) fNoiseFile->Get("hHmpNoiseMaps");
  92
  93   AliCDBMetaData metaDataHisto;
  94   metaDataHisto.SetBeamPeriod(0);
  95   metaDataHisto.SetResponsible("AliHMPIDPreprocessor");
  96   metaDataHisto.SetComment("AliHMPIDPreprocessor stores the Noise Map object as Reference Data.");
  97   AliInfo("Storing Reference Data");
  98   stProcNoise = Store("Calib","NoiseMap",hNoiseMap,&metaDataHisto,0,kTRUE);
  99   if(!stProcNoise) {
 100     Log("HMPID - failure to store Noise Map data results in OCDB");
 101   }
 102   return stProcNoise;
 103 }//ProcNoiseMap
 104 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 105 Bool_t AliHMPIDPreprocessor::ProcDcs(TMap* pMap)
 106 {
 107 // Process: 1 (old). inlet and outlet C6F14 temperature, stores TObjArray of 21 TF1, where TF1 is Nmean=f(t), one per radiator
 108 // Process: 1. inlet and outlet C6F14 temperature, stores TObjArray of 42 TF1, where TF1 are Tin and Tout per radiator
 109 //             + one function for the mean energy photon (in total 43).
 110 //          2. CH4 pressure and HV                 stores TObjArray of 7 TF1 where TF1 is thr=f(t), one per chamber
 111 // Arguments: pDcsMap - map of structure "alias name" - TObjArray of AliDCSValue
 112 // Assume that: HV is the same during the run for a given chamber, different chambers might have different HV
 113 //              P=f(t), different for different chambers
 114 // Returns: kTRUE on success
 115
 116   Bool_t stDcsStore=kFALSE;
 117
 118 // Qthr=f(HV,P) [V,mBar]  logA0=k*HV+b is taken from p. 64 TDR plot 2.59 for PC32
 119 //                           A0=f(P) is taken from DiMauro mail
 120 // Qthr is estimated as 3*A0
 121
 122   TF2 thr("RthrCH4"  ,"3*10^(3.01e-3*x-4.72)+170745848*exp(-y*0.0162012)"             ,2000,3000,900,1200);
 123
 124   TObjArray arNmean(43);       arNmean.SetOwner(kTRUE);     //42 Tin and Tout one per radiator + 1 for ePhotMean
 125   TObjArray arQthre(42);       arQthre.SetOwner(kTRUE);     //42 Qthre=f(time) one per sector
 126
 127   AliDCSValue *pVal; Int_t cnt=0;
 128
 129   Double_t xP,yP;
 130
 131   TF1 **pTin  = new TF1*[21];
 132   TF1 **pTout = new TF1*[21];
 133
 134 // evaluate Environment Pressure
 135
 136   TObjArray *pPenv=(TObjArray*)pMap->GetValue("HMP_DET/HMP_ENV/HMP_ENV_PENV.actual.value");
 137   if(!pPenv) {
 138     AliWarning(" No Data Points from HMP_ENV_PENV.actual.value!");
 139     return kFALSE;
 140   } else {
 141     Log(Form(" Environment Pressure data              ---> %3i entries",pPenv->GetEntries()));
 142     if(pPenv->GetEntries()) {
 143       TIter nextPenv(pPenv);
 144       TGraph *pGrPenv=new TGraph; cnt=0;
 145       while((pVal=(AliDCSValue*)nextPenv())) pGrPenv->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());        //P env
 146       if( cnt==1) {
 147         pGrPenv->GetPoint(0,xP,yP);
 148         new TF1("Penv",Form("%f",yP),fStartTime,fEndTime);
 149       } else {
 150         pGrPenv->Fit(new TF1("Penv","1000+x*[0]",fStartTime,fEndTime),"Q");
 151       }
 152       delete pGrPenv;
 153     } else {AliWarning(" No Data Points from HMP_ENV_PENV.actual.value!");return kFALSE;}
 154   }
 155 // evaluate Pressure
 156
 157   for(Int_t iCh=0;iCh<7;iCh++){
 158     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));
 159     if(!pP) {
 160       AliWarning(Form(" No Data Points from HMP_MP%1i_GAS_PMWPC.actual.value!",iCh));
 161       return kFALSE;
 162     } else {
 163         Log(Form(" Pressure for module %i data             ---> %3i entries",iCh,pP->GetEntries()));
 164       if(pP->GetEntries()) {
 165         TIter nextP(pP);
 166         TGraph *pGrP=new TGraph; cnt=0;
 167         while((pVal=(AliDCSValue*)nextP())) pGrP->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());            //P
 168         if( cnt==1) {
 169           pGrP->GetPoint(0,xP,yP);
 170           new TF1(Form("P%i",iCh),Form("%f",yP),fStartTime,fEndTime);
 171         } else {
 172           pGrP->Fit(new TF1(Form("P%i",iCh),"[0] + x*[1]",fStartTime,fEndTime),"Q");
 173         }
 174         delete pGrP;
 175       } else {AliWarning(" No Data Points from HMP_MP0-6_GAS_PMWPC.actual.value!");return kFALSE;}
 176     }
 177
 178 // evaluate High Voltage
 179
 180    for(Int_t iSec=0;iSec<6;iSec++){
 181       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));
 182       if(!pHV) {
 183         AliWarning(Form(" No Data Points from HMP_MP%1i_SEC%1i_HV.actual.vMon!",iCh,iSec));
 184         return kFALSE;
 185       } else {
 186         Log(Form(" HV for module %i and secto %i data       ---> %3i entries",iCh,iSec,pHV->GetEntries()));
 187         if(pHV->GetEntries()) {
 188           TIter nextHV(pHV);
 189           TGraph *pGrHV=new TGraph; cnt=0;
 190           while((pVal=(AliDCSValue*)nextHV())) pGrHV->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());            //HV
 191           if( cnt==1) {
 192             pGrHV->GetPoint(0,xP,yP);
 193             new TF1(Form("HV%i_%i",iCh,iSec),Form("%f",yP),fStartTime,fEndTime);
 194           } else {
 195             pGrHV->Fit(new TF1(Form("HV%i_%i",iCh,iSec),"[0]+x*[1]",fStartTime,fEndTime),"Q");
 196           }
 197           delete pGrHV;
 198         } else {AliWarning(" No Data Points from HMP_MP0-6_SEC0-5_HV.actual.vMon!");return kFALSE;}
 199       }
 200 // evaluate Qthre
 201
 202       arQthre.AddAt(new TF1(Form("HMP_QthreC%iS%i",iCh,iSec),
 203           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);
 204
 205      //arQthre.AddAt(new TF1(Form("HMP_QthreC%iS%i",iCh,iSec),"100",fStartTime,fEndTime),6*iCh+iSec);
 206     }
 207 // evaluate Temperatures: in and out of the radiators
 208     // T in
 209     for(Int_t iRad=0;iRad<3;iRad++){
 210
 211       pTin[3*iCh+iRad]  = new TF1(Form("Tin%i%i" ,iCh,iRad),"[0]+[1]*x",fStartTime,fEndTime);
 212       pTout[3*iCh+iRad] = new TF1(Form("Tout%i%i",iCh,iRad),"[0]+[1]*x",fStartTime,fEndTime);
 213
 214       //pTin[3*iCh+iRad]  = new TF1(Form("Tin%i%i" ,iCh,iRad),"21",fStartTime,fEndTime);
 215       //pTout[3*iCh+iRad] = new TF1(Form("Tout%i%i",iCh,iRad),"22",fStartTime,fEndTime);
 216
 217     TObjArray *pT1=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iIn_Temp",iCh,iCh,iRad));
 218       if(!pT1) {
 219         AliWarning(Form(" No Data Points from HMP_MP%1i_LIQ_LOOP.actual.sensors.Rad%1iIn_Temp!",iCh,iRad));
 220         return kFALSE;
 221       } else {
 222         Log(Form(" Temperatures for module %i inside data  ---> %3i entries",iCh,pT1->GetEntries()));
 223         if(pT1->GetEntries()) {
 224           TIter nextT1(pT1);//Tin
 225           TGraph *pGrT1=new TGraph; cnt=0;  while((pVal=(AliDCSValue*)nextT1())) pGrT1->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T inlet
 226           if(cnt==1) {
 227             pGrT1->GetPoint(0,xP,yP);
 228             pTin[3*iCh+iRad]->SetParameter(0,yP);
 229             pTin[3*iCh+iRad]->SetParameter(1,0);
 230           } else {
 231             pGrT1->Fit(pTin[3*iCh+iRad],"Q");
 232           }
 233           delete pGrT1;
 234         } else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2In_Temp!");return kFALSE;}
 235       }
 236     // T out
 237       TObjArray *pT2=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iOut_Temp",iCh,iCh,iRad));
 238       if(!pT2) {
 239         AliWarning(Form(" No Data Points from HMP_MP%1i_LIQ_LOOP.actual.sensors.Rad%1iOut_Temp!",iCh,iRad));
 240         return kFALSE;
 241       } else {
 242         Log(Form(" Temperatures for module %i outside data ---> %3i entries",iCh,pT2->GetEntries()));
 243         if(pT2->GetEntries()) {
 244           TIter nextT2(pT2);//Tout
 245           TGraph *pGrT2=new TGraph; cnt=0;  while((pVal=(AliDCSValue*)nextT2())) pGrT2->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T outlet
 246           if(cnt==1) {
 247             pGrT2->GetPoint(0,xP,yP);
 248             pTout[3*iCh+iRad]->SetParameter(0,yP);
 249             pTout[3*iCh+iRad]->SetParameter(1,0);
 250           } else {
 251             pGrT2->Fit(pTout[3*iCh+iRad],"Q");
 252           }
 253           delete pGrT2;
 254         } else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2Out_Temp!");return kFALSE;}
 255       }
 256
 257 // evaluate Mean Refractive Index
 258
 259       arNmean.AddAt(pTin[3*iCh+iRad] ,6*iCh+2*iRad  ); //Tin =f(t)
 260       arNmean.AddAt(pTout[3*iCh+iRad],6*iCh+2*iRad+1); //Tout=f(t)
 261
 262     }//radiators loop
 263   }//chambers loop
 264
 265   Double_t eMean = ProcTrans(pMap);
 266   arNmean.AddAt(new TF1("HMP_PhotEmean",Form("%f",eMean),fStartTime,fEndTime),42); //Photon energy mean
 267
 268   AliCDBMetaData metaData;
 269   metaData.SetBeamPeriod(0);
 270   metaData.SetResponsible("AliHMPIDPreprocessor");
 271   metaData.SetComment("HMPID preprocessor fills TObjArrays.");
 272
 273   stDcsStore =   Store("Calib","Qthre",&arQthre,&metaData,0,kTRUE) &&    // from DCS  0,kTRUE generates the file from Run 0 to Run 99999999
 274                  Store("Calib","Nmean",&arNmean,&metaData,0,kTRUE);      // from DCS
 275 //  stDcsStore =   Store("Calib","Qthre",&arQthre,&metaData) &&    // from DCS
 276 //                 Store("Calib","Nmean",&arNmean,&metaData);      // from DCS
 277   if(!stDcsStore) {
 278     Log("HMPID - failure to store DCS data results in OCDB");
 279   }
 280
 281 //  arNmean.Delete();
 282 //  arQthre.Delete();
 283
 284 //  for(Int_t i=0;i<21;i++) delete pTin[i]; delete []pTin;
 285 //  for(Int_t i=0;i<21;i++) delete pTout[i]; delete []pTout;
 286
 287   return stDcsStore;
 288 }//Process()
 289 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 290 Bool_t AliHMPIDPreprocessor::ProcPed()
 291 {
 292 // Process pedestal files and create 7 M(padx,pady)=sigma, one for each chamber
 293 // Arguments:
 294 // Returns: kTRUE on success
 295
 296   Bool_t stPedStore=kFALSE;
 297   Bool_t stDeadMaskedStore=kFALSE;
 298   AliHMPIDDigit dig;
 299   AliHMPIDRawStream rs;
 300   Int_t nSigCut,r,d,a,hard;  Float_t mean,sigma;
 301   Int_t  runNumber,ldcId,timeStamp,nEv,nDdlEv,nBadEv;  Char_t tName[10];
 302   Float_t nBadEvPer;
 303
 304   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
 305   TObjArray aDeadMasked(7); aDeadMasked.SetOwner(kTRUE); for(Int_t i=0;i<7;i++) aDeadMasked.AddAt(new TMatrix(160,144),i);     //TObjArray of 7 TMatrixF, m(padx,pady)=pedestal
 306
 307   for(Int_t iddl=0;iddl<AliHMPIDRawStream::kNDDL;iddl++)            //retrieve the files from LDCs independently the DDL<->LDC connection
 308   {
 309     TList *pLdc=GetFileSources(kDAQ,Form("HmpidPedDdl%02i.txt",iddl)); //get list of LDC names containing id "pedestals"
 310     if(!pLdc) {Log(Form("ERROR: Retrieval of sources for pedestals: HmpidPedDdl%02i.txt failed!",iddl));continue;}
 311
 312     Log(Form("HMPID - Pedestal files to be read --> %i LDCs for HMPID",pLdc->GetEntries()));
 313     for(Int_t i=0;i<pLdc->GetEntries();i++) {//lists of LDCs -- but in general we have 1 LDC for 1 ped file
 314     TString fileName = GetFile(kDAQ,Form("HmpidPedDdl%02i.txt",iddl),((TObjString*)pLdc->At(i))->GetName());
 315     if(fileName.Length()==0) {Log(Form("ERROR retrieving pedestal file: HmpidPedDdl%02i.txt!",iddl));continue;}
 316
 317     //reading pedestal file
 318     ifstream infile(fileName.Data());
 319
 320     if(!infile.is_open()) {Log("No pedestal file found for HMPID,bye!");continue;}
 321     TMatrix *pM=(TMatrixF*)aDaqSig.At(iddl/2);
 322     TMatrix *pDM=(TMatrixF*)aDeadMasked.At(iddl/2);
 323     infile>>tName>>runNumber;Printf("Xcheck: reading run %i",runNumber);
 324     infile>>tName>>ldcId;
 325     infile>>tName>>timeStamp;
 326     infile>>tName>>nEv;
 327     infile>>tName>>nDdlEv;
 328     infile>>tName>>nBadEv;
 329     infile>>tName>>nBadEvPer;
 330     infile>>tName>>nSigCut; pM->SetUniqueID(nSigCut); //n. of pedestal distribution sigmas used to create zero suppresion table
 331     while(!infile.eof()){
 332       infile>>dec>>r>>d>>a>>mean>>sigma>>hex>>hard;
 333       if(rs.GetPad(iddl,r,d,a)>=0){                     //the GetPad returns meaningful abs pad number
 334       dig.SetPad(rs.GetPad(iddl,r,d,a));
 335       dig.SetQ((Int_t)mean);
 336       (*pM)(dig.PadChX(),dig.PadChY()) = sigma;
 337       if( (mean == AliHMPIDParam::kPadMeanZeroCharge && sigma == AliHMPIDParam::kPadSigmaZeroCharge) ||
 338           (mean == AliHMPIDParam::kPadMeanMasked     && sigma == AliHMPIDParam::kPadSigmaMasked)     )
 339         {(*pDM)(dig.PadChX(),dig.PadChY()) = mean;}
 340       }
 341     }
 342     infile.close();
 343     Log(Form("Pedestal file for DDL %i read successfully",iddl));
 344
 345
 346
 347   }//LDCs reading entries
 348
 349  }//DDL
 350
 351   AliCDBMetaData metaData;
 352   metaData.SetBeamPeriod(0);
 353   metaData.SetResponsible("AliHMPIDPreprocessor");
 354   metaData.SetComment("HMPID processor fills TObjArrays.");
 355   stPedStore = Store("Calib","DaqSig",&aDaqSig,&metaData,0,kTRUE);
 356   if(!stPedStore) {     Log("HMPID - failure to store PEDESTAL data results in OCDB");      }
 357   stDeadMaskedStore = Store("Calib","Masked",&aDeadMasked,&metaData,0,kTRUE);
 358   if(!stDeadMaskedStore) {     Log("HMPID - failure to store DEAD & MASKED channel map  in OCDB");      }
 359   Bool_t pedRes=stPedStore*stDeadMaskedStore;
 360   return pedRes;
 361
 362 }//ProcPed()
 363 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 364 Double_t AliHMPIDPreprocessor::ProcTrans(TMap* pMap)
 365 {
 366   //  Process transparency monitoring data and calculates Emean
 367
 368   Double_t sEnergProb=0, sProb=0;
 369
 370   Double_t tRefCR5 = 19. ;                                      // mean temperature of CR5 where the system is in place
 371
 372   Double_t eMean = 0;
 373
 374   AliDCSValue *pVal;
 375
 376   for(Int_t i=0; i<30; i++){
 377
 378     // evaluate wavelenght
 379     TObjArray *pWaveLenght = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.waveLenght",i));
 380     if(!pWaveLenght){
 381         AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.waveLenght  -----> Default E mean used!!!!!",i));
 382         return DefaultEMean(); // to be checked
 383       }
 384
 385     pVal=(AliDCSValue*)pWaveLenght->At(0);
 386     Double_t lambda = pVal->GetFloat();
 387
 388     if(lambda<150. || lambda>230.){
 389         AliWarning(Form("Wrong value for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.waveLenght  -----> Default E mean used!!!!!",i));
 390         return DefaultEMean(); // to be checked
 391       }
 392
 393     Double_t photEn = 1239.842609/lambda;     // 1239.842609 from nm to eV
 394
 395     if(photEn<AliHMPIDParam::EPhotMin() || photEn>AliHMPIDParam::EPhotMax()) continue;
 396
 397     // evaluate phototube current for argon reference
 398     TObjArray *pArgonRef  = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonReference",i));
 399     if(!pArgonRef){
 400         AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonReference  -----> Default E mean used!!!!!",i));
 401         return DefaultEMean(); // to be checked
 402       }
 403
 404     pVal=(AliDCSValue*)pArgonRef->At(0);
 405     Double_t aRefArgon = pVal->GetFloat();
 406
 407     // evaluate phototube current for argon cell
 408     TObjArray *pArgonCell = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonCell",i));
 409     if(!pArgonCell){
 410         AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonCell  -----> Default E mean used!!!!!",i));
 411         return DefaultEMean(); // to be checked
 412       }
 413
 414     pVal=(AliDCSValue*)pArgonRef->At(0);
 415     Double_t aCellArgon = pVal->GetFloat();
 416
 417     //evaluate phototube current for freon reference
 418     TObjArray *pFreonRef  = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Reference",i));
 419     if(!pFreonRef){
 420         AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Reference  -----> Default E mean used!!!!!",i));
 421         return DefaultEMean(); // to be checked
 422       }
 423
 424     pVal=(AliDCSValue*)pFreonRef->At(0);
 425     Double_t aRefFreon = pVal->GetFloat();
 426
 427     //evaluate phototube current for freon cell
 428     TObjArray *pFreonCell = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Cell",i));
 429     if(!pFreonCell){
 430         AliWarning(Form("No Data Point values for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Cell  -----> Default E mean used!!!!!",i));
 431         return DefaultEMean(); // to be checked
 432       }
 433
 434     pVal=(AliDCSValue*)pFreonCell->At(0);
 435     Double_t aCellFreon = pVal->GetFloat();
 436
 437    //evaluate correction factor to calculate trasparency (Ref. NIMA 486 (2002) 590-609)
 438
 439     Double_t aN1 = AliHMPIDParam::NIdxRad(photEn,tRefCR5);
 440     Double_t aN2 = AliHMPIDParam::NMgF2Idx(photEn);
 441     Double_t aN3 = 1;                              // Argon Idx
 442
 443     Double_t aR1               = ((aN1 - aN2)*(aN1 - aN2))/((aN1 + aN2)*(aN1 + aN2));
 444     Double_t aR2               = ((aN2 - aN3)*(aN2 - aN3))/((aN2 + aN3)*(aN2 + aN3));
 445     Double_t aT1               = (1 - aR1);
 446     Double_t aT2               = (1 - aR2);
 447     Double_t aCorrFactor       = (aT1*aT1)/(aT2*aT2);
 448
 449     // evaluate 15 mm of thickness C6F14 Trans
 450     Double_t aTransRad;
 451
 452     if(aRefFreon*aRefArgon>0) {
 453       aTransRad  = TMath::Power((aCellFreon/aRefFreon)/(aCellArgon/aRefArgon)*aCorrFactor,1.5);
 454     } else {
 455       return DefaultEMean();
 456     }
 457
 458     // evaluate 0.5 mm of thickness SiO2 Trans
 459     Double_t aTransSiO2 = TMath::Exp(-0.5/AliHMPIDParam::LAbsWin(photEn));
 460
 461     // evaluate 80 cm of thickness Gap (low density CH4) transparency
 462     Double_t aTransGap  = TMath::Exp(-80./AliHMPIDParam::LAbsGap(photEn));
 463
 464     // evaluate CsI quantum efficiency
 465     Double_t aCsIQE            = AliHMPIDParam::QEffCSI(photEn);
 466
 467     // evaluate total convolution of all material optical properties
 468     Double_t aTotConvolution   = aTransRad*aTransSiO2*aTransGap*aCsIQE;
 469
 470     sEnergProb+=aTotConvolution*photEn;
 471
 472     sProb+=aTotConvolution;
 473 }
 474   if(sProb>0) {
 475     eMean = sEnergProb/sProb;
 476   } else {
 477     return DefaultEMean();
 478   }
 479   Log(Form(" Mean energy photon calculated ---> %f eV ",eMean));
 480
 481   if(eMean<AliHMPIDParam::EPhotMin() || eMean>AliHMPIDParam::EPhotMax()) return DefaultEMean();
 482
 483   return eMean;
 484 }
 485 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 486 Double_t AliHMPIDPreprocessor::DefaultEMean()
 487 {
 488     Double_t eMean = 6.675;      //just set a refractive index for C6F14 at ephot=6.675 eV @ T=25 C
 489     AliWarning(Form("Mean energy for photons out of range [%f,%f] in Preprocessor. Default value Eph=%f eV taken.",AliHMPIDParam::EPhotMin(),
 490                                                                                                                    AliHMPIDParam::EPhotMax(),
 491                                                                                                                    eMean));
 492     return eMean;
 493 }