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   TF1  *pTin[21];
 134   TF1 *pTout[21];
 135
 136 // evaluate Environment Pressure
 137
 138   TObjArray *pPenv=(TObjArray*)pMap->GetValue("HMP_DET/HMP_ENV/HMP_ENV_PENV.actual.value");
 139   if(!pPenv) {
 140     AliWarning(" No Data Points from HMP_ENV_PENV.actual.value!");
 141     return kFALSE;
 142   } else {
 143     Log(Form(" Environment Pressure data              ---> %3i entries",pPenv->GetEntries()));
 144     if(pPenv->GetEntries()) {
 145       TIter nextPenv(pPenv);
 146       TGraph *pGrPenv=new TGraph; cnt=0;
 147       while((pVal=(AliDCSValue*)nextPenv())) pGrPenv->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());        //P env
 148       if( cnt==1) {
 149         pGrPenv->GetPoint(0,xP,yP);
 150         new TF1("Penv",Form("%f",yP),fStartTime,fEndTime);
 151       } else {
 152         pGrPenv->Fit(new TF1("Penv","1000+x*[0]",fStartTime,fEndTime),"Q");
 153       }
 154       delete pGrPenv;
 155     } else {AliWarning(" No Data Points from HMP_ENV_PENV.actual.value!");return kFALSE;}
 156   }
 157 // evaluate Pressure
 158
 159   for(Int_t iCh=0;iCh<7;iCh++){
 160     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));
 161     if(!pP) {
 162       AliWarning(Form(" No Data Points from HMP_MP%1i_GAS_PMWPC.actual.value!",iCh));
 163       return kFALSE;
 164     } else {
 165         Log(Form(" Pressure for module %i data             ---> %3i entries",iCh,pP->GetEntries()));
 166       if(pP->GetEntries()) {
 167         TIter nextP(pP);
 168         TGraph *pGrP=new TGraph; cnt=0;
 169         while((pVal=(AliDCSValue*)nextP())) pGrP->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());            //P
 170         if( cnt==1) {
 171           pGrP->GetPoint(0,xP,yP);
 172           new TF1(Form("P%i",iCh),Form("%f",yP),fStartTime,fEndTime);
 173         } else {
 174           pGrP->Fit(new TF1(Form("P%i",iCh),"[0] + x*[1]",fStartTime,fEndTime),"Q");
 175         }
 176         delete pGrP;
 177       } else {AliWarning(" No Data Points from HMP_MP0-6_GAS_PMWPC.actual.value!");return kFALSE;}
 178     }
 179
 180 // evaluate High Voltage
 181
 182    for(Int_t iSec=0;iSec<6;iSec++){
 183       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));
 184       if(!pHV) {
 185         AliWarning(Form(" No Data Points from HMP_MP%1i_SEC%1i_HV.actual.vMon!",iCh,iSec));
 186         return kFALSE;
 187       } else {
 188         Log(Form(" HV for module %i and secto %i data       ---> %3i entries",iCh,iSec,pHV->GetEntries()));
 189         if(pHV->GetEntries()) {
 190           TIter nextHV(pHV);
 191           TGraph *pGrHV=new TGraph; cnt=0;
 192           while((pVal=(AliDCSValue*)nextHV())) pGrHV->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat());            //HV
 193           if( cnt==1) {
 194             pGrHV->GetPoint(0,xP,yP);
 195             new TF1(Form("HV%i_%i",iCh,iSec),Form("%f",yP),fStartTime,fEndTime);
 196           } else {
 197             pGrHV->Fit(new TF1(Form("HV%i_%i",iCh,iSec),"[0]+x*[1]",fStartTime,fEndTime),"Q");
 198           }
 199           delete pGrHV;
 200         } else {AliWarning(" No Data Points from HMP_MP0-6_SEC0-5_HV.actual.vMon!");return kFALSE;}
 201       }
 202 // evaluate Qthre
 203
 204       arQthre.AddAt(new TF1(Form("HMP_QthreC%iS%i",iCh,iSec),
 205           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);
 206
 207      //arQthre.AddAt(new TF1(Form("HMP_QthreC%iS%i",iCh,iSec),"100",fStartTime,fEndTime),6*iCh+iSec);
 208     }
 209 // evaluate Temperatures: in and out of the radiators
 210     // T in
 211     for(Int_t iRad=0;iRad<3;iRad++){
 212
 213       pTin[3*iCh+iRad]  = new TF1(Form("Tin%i%i" ,iCh,iRad),"[0]+[1]*x",fStartTime,fEndTime);
 214       pTout[3*iCh+iRad] = new TF1(Form("Tout%i%i",iCh,iRad),"[0]+[1]*x",fStartTime,fEndTime);
 215
 216       //pTin[3*iCh+iRad]  = new TF1(Form("Tin%i%i" ,iCh,iRad),"21",fStartTime,fEndTime);
 217       //pTout[3*iCh+iRad] = new TF1(Form("Tout%i%i",iCh,iRad),"22",fStartTime,fEndTime);
 218
 219     TObjArray *pT1=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iIn_Temp",iCh,iCh,iRad));
 220       if(!pT1) {
 221         AliWarning(Form(" No Data Points from HMP_MP%1i_LIQ_LOOP.actual.sensors.Rad%1iIn_Temp!",iCh,iRad));
 222         return kFALSE;
 223       } else {
 224         Log(Form(" Temperatures for module %i inside data  ---> %3i entries",iCh,pT1->GetEntries()));
 225         if(pT1->GetEntries()) {
 226           TIter nextT1(pT1);//Tin
 227           TGraph *pGrT1=new TGraph; cnt=0;  while((pVal=(AliDCSValue*)nextT1())) pGrT1->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T inlet
 228           if(cnt==1) {
 229             pGrT1->GetPoint(0,xP,yP);
 230             pTin[3*iCh+iRad]->SetParameter(0,yP);
 231             pTin[3*iCh+iRad]->SetParameter(1,0);
 232           } else {
 233             pGrT1->Fit(pTin[3*iCh+iRad],"Q");
 234           }
 235           delete pGrT1;
 236         } else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2In_Temp!");return kFALSE;}
 237       }
 238     // T out
 239       TObjArray *pT2=(TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_MP%i/HMP_MP%i_LIQ_LOOP.actual.sensors.Rad%iOut_Temp",iCh,iCh,iRad));
 240       if(!pT2) {
 241         AliWarning(Form(" No Data Points from HMP_MP%1i_LIQ_LOOP.actual.sensors.Rad%1iOut_Temp!",iCh,iRad));
 242         return kFALSE;
 243       } else {
 244         Log(Form(" Temperatures for module %i outside data ---> %3i entries",iCh,pT2->GetEntries()));
 245         if(pT2->GetEntries()) {
 246           TIter nextT2(pT2);//Tout
 247           TGraph *pGrT2=new TGraph; cnt=0;  while((pVal=(AliDCSValue*)nextT2())) pGrT2->SetPoint(cnt++,pVal->GetTimeStamp(),pVal->GetFloat()); //T outlet
 248           if(cnt==1) {
 249             pGrT2->GetPoint(0,xP,yP);
 250             pTout[3*iCh+iRad]->SetParameter(0,yP);
 251             pTout[3*iCh+iRad]->SetParameter(1,0);
 252           } else {
 253             pGrT2->Fit(pTout[3*iCh+iRad],"Q");
 254           }
 255           delete pGrT2;
 256         } else {AliWarning(" No Data Points from HMP_MP0-6_LIQ_LOOP.actual.sensors.Rad0-2Out_Temp!");return kFALSE;}
 257       }
 258
 259 // evaluate Mean Refractive Index
 260
 261       arNmean.AddAt(pTin[3*iCh+iRad] ,6*iCh+2*iRad  ); //Tin =f(t)
 262       arNmean.AddAt(pTout[3*iCh+iRad],6*iCh+2*iRad+1); //Tout=f(t)
 263
 264     }//radiators loop
 265   }//chambers loop
 266
 267   Double_t eMean = ProcTrans(pMap);
 268   arNmean.AddAt(new TF1("HMP_PhotEmean",Form("%f",eMean),fStartTime,fEndTime),42); //Photon energy mean
 269
 270   AliCDBMetaData metaData;
 271   metaData.SetBeamPeriod(0);
 272   metaData.SetResponsible("AliHMPIDPreprocessor");
 273   metaData.SetComment("HMPID preprocessor fills TObjArrays.");
 274
 275   stDcsStore =   Store("Calib","Qthre",&arQthre,&metaData,0,kTRUE) &&    // from DCS  0,kTRUE generates the file from Run 0 to Run 99999999
 276                  Store("Calib","Nmean",&arNmean,&metaData,0,kTRUE);      // from DCS
 277 //  stDcsStore =   Store("Calib","Qthre",&arQthre,&metaData) &&    // from DCS
 278 //                 Store("Calib","Nmean",&arNmean,&metaData);      // from DCS
 279   if(!stDcsStore) {
 280     Log("HMPID - failure to store DCS data results in OCDB");
 281   }
 282
 283 //  arNmean.Delete();
 284 //  arQthre.Delete();
 285
 286 //  for(Int_t i=0;i<21;i++) delete pTin[i]; delete []pTin;
 287 //  for(Int_t i=0;i<21;i++) delete pTout[i]; delete []pTout;
 288
 289   return stDcsStore;
 290 }//Process()
 291 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 292 Bool_t AliHMPIDPreprocessor::ProcPed()
 293 {
 294 // Process pedestal files and create 7 M(padx,pady)=sigma, one for each chamber
 295 // Arguments:
 296 // Returns: kTRUE on success
 297
 298   Bool_t stPedStore=kFALSE;
 299   Bool_t stDeadMaskedStore=kFALSE;
 300   AliHMPIDDigit dig;
 301   AliHMPIDRawStream rs;
 302   Int_t nSigCut,r,d,a,hard;  Float_t mean,sigma;
 303   Int_t  runNumber,ldcId,timeStamp,nEv,nDdlEv,nBadEv;  Char_t tName[10];
 304   Float_t nBadEvPer;
 305
 306   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
 307   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
 308
 309   for(Int_t iddl=0;iddl<AliHMPIDRawStream::kNDDL;iddl++)            //retrieve the files from LDCs independently the DDL<->LDC connection
 310   {
 311     TList *pLdc=GetFileSources(kDAQ,Form("HmpidPedDdl%02i.txt",iddl)); //get list of LDC names containing id "pedestals"
 312     if(!pLdc) {Log(Form("ERROR: Retrieval of sources for pedestals: HmpidPedDdl%02i.txt failed!",iddl));continue;}
 313
 314     Log(Form("HMPID - Pedestal files to be read --> %i LDCs for HMPID",pLdc->GetEntries()));
 315     for(Int_t i=0;i<pLdc->GetEntries();i++) {//lists of LDCs -- but in general we have 1 LDC for 1 ped file
 316     TString fileName = GetFile(kDAQ,Form("HmpidPedDdl%02i.txt",iddl),((TObjString*)pLdc->At(i))->GetName());
 317     if(fileName.Length()==0) {Log(Form("ERROR retrieving pedestal file: HmpidPedDdl%02i.txt!",iddl));continue;}
 318
 319     //reading pedestal file
 320     ifstream infile(fileName.Data());
 321
 322     if(!infile.is_open()) {Log("No pedestal file found for HMPID,bye!");continue;}
 323     TMatrix *pM=(TMatrixF*)aDaqSig.At(iddl/2);
 324     TMatrix *pDM=(TMatrixF*)aDeadMasked.At(iddl/2);
 325     infile>>tName>>runNumber;Printf("Xcheck: reading run %i",runNumber);
 326     infile>>tName>>ldcId;
 327     infile>>tName>>timeStamp;
 328     infile>>tName>>nEv;
 329     infile>>tName>>nDdlEv;
 330     infile>>tName>>nBadEv;
 331     infile>>tName>>nBadEvPer;
 332     infile>>tName>>nSigCut; pM->SetUniqueID(nSigCut); //n. of pedestal distribution sigmas used to create zero suppresion table
 333     while(!infile.eof()){
 334       infile>>dec>>r>>d>>a>>mean>>sigma>>hex>>hard;
 335       if(rs.GetPad(iddl,r,d,a)>=0){                     //the GetPad returns meaningful abs pad number
 336       dig.SetPad(rs.GetPad(iddl,r,d,a));
 337       dig.SetQ((Int_t)mean);
 338       (*pM)(dig.PadChX(),dig.PadChY()) = sigma;
 339       if( (mean == AliHMPIDParam::kPadMeanZeroCharge && sigma == AliHMPIDParam::kPadSigmaZeroCharge) ||
 340           (mean == AliHMPIDParam::kPadMeanMasked     && sigma == AliHMPIDParam::kPadSigmaMasked)     )
 341         {(*pDM)(dig.PadChX(),dig.PadChY()) = mean;}
 342       }
 343     }
 344     infile.close();
 345     Log(Form("Pedestal file for DDL %i read successfully",iddl));
 346
 347
 348
 349   }//LDCs reading entries
 350
 351  }//DDL
 352
 353   AliCDBMetaData metaData;
 354   metaData.SetBeamPeriod(0);
 355   metaData.SetResponsible("AliHMPIDPreprocessor");
 356   metaData.SetComment("HMPID processor fills TObjArrays.");
 357   stPedStore = Store("Calib","DaqSig",&aDaqSig,&metaData,0,kTRUE);
 358   if(!stPedStore) {     Log("HMPID - failure to store PEDESTAL data results in OCDB");      }
 359   stDeadMaskedStore = Store("Calib","Masked",&aDeadMasked,&metaData,0,kTRUE);
 360   if(!stDeadMaskedStore) {     Log("HMPID - failure to store DEAD & MASKED channel map  in OCDB");      }
 361   Bool_t pedRes=stPedStore*stDeadMaskedStore;
 362   return pedRes;
 363
 364 }//ProcPed()
 365 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 366 Double_t AliHMPIDPreprocessor::ProcTrans(TMap* pMap)
 367 {
 368   //  Process transparency monitoring data and calculates Emean
 369
 370   Double_t sEnergProb=0, sProb=0;
 371
 372   Double_t tRefCR5 = 19. ;                                      // mean temperature of CR5 where the system is in place
 373
 374   Double_t eMean = 0;
 375
 376   AliDCSValue *pVal;
 377
 378   for(Int_t i=0; i<30; i++){
 379
 380     // evaluate wavelenght
 381     TObjArray *pWaveLenght = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.waveLenght",i));
 382     if(!pWaveLenght){
 383         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));
 384         return DefaultEMean(); // to be checked
 385       }
 386
 387     pVal=(AliDCSValue*)pWaveLenght->At(0);
 388     Double_t lambda = pVal->GetFloat();
 389
 390     if(lambda<150. || lambda>230.){
 391         AliWarning(Form("Wrong value for HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.waveLenght  -----> Default E mean used!!!!!",i));
 392         return DefaultEMean(); // to be checked
 393       }
 394
 395     Double_t photEn = 1239.842609/lambda;     // 1239.842609 from nm to eV
 396
 397     if(photEn<AliHMPIDParam::EPhotMin() || photEn>AliHMPIDParam::EPhotMax()) continue;
 398
 399     // evaluate phototube current for argon reference
 400     TObjArray *pArgonRef  = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonReference",i));
 401     if(!pArgonRef){
 402         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));
 403         return DefaultEMean(); // to be checked
 404       }
 405
 406     pVal=(AliDCSValue*)pArgonRef->At(0);
 407     Double_t aRefArgon = pVal->GetFloat();
 408
 409     // evaluate phototube current for argon cell
 410     TObjArray *pArgonCell = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.argonCell",i));
 411     if(!pArgonCell){
 412         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));
 413         return DefaultEMean(); // to be checked
 414       }
 415
 416     pVal=(AliDCSValue*)pArgonRef->At(0);
 417     Double_t aCellArgon = pVal->GetFloat();
 418
 419     //evaluate phototube current for freon reference
 420     TObjArray *pFreonRef  = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Reference",i));
 421     if(!pFreonRef){
 422         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));
 423         return DefaultEMean(); // to be checked
 424       }
 425
 426     pVal=(AliDCSValue*)pFreonRef->At(0);
 427     Double_t aRefFreon = pVal->GetFloat();
 428
 429     //evaluate phototube current for freon cell
 430     TObjArray *pFreonCell = (TObjArray*)pMap->GetValue(Form("HMP_DET/HMP_INFR/HMP_INFR_TRANPLANT/HMP_INFR_TRANPLANT_MEASURE.mesure%i.c6f14Cell",i));
 431     if(!pFreonCell){
 432         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));
 433         return DefaultEMean(); // to be checked
 434       }
 435
 436     pVal=(AliDCSValue*)pFreonCell->At(0);
 437     Double_t aCellFreon = pVal->GetFloat();
 438
 439    //evaluate correction factor to calculate trasparency (Ref. NIMA 486 (2002) 590-609)
 440
 441     Double_t aN1 = AliHMPIDParam::NIdxRad(photEn,tRefCR5);
 442     Double_t aN2 = AliHMPIDParam::NMgF2Idx(photEn);
 443     Double_t aN3 = 1;                              // Argon Idx
 444
 445     Double_t aR1               = ((aN1 - aN2)*(aN1 - aN2))/((aN1 + aN2)*(aN1 + aN2));
 446     Double_t aR2               = ((aN2 - aN3)*(aN2 - aN3))/((aN2 + aN3)*(aN2 + aN3));
 447     Double_t aT1               = (1 - aR1);
 448     Double_t aT2               = (1 - aR2);
 449     Double_t aCorrFactor       = (aT1*aT1)/(aT2*aT2);
 450
 451     // evaluate 15 mm of thickness C6F14 Trans
 452     Double_t aTransRad;
 453
 454     Double_t aConvFactor = 1.0 - 0.3/1.8;
 455
 456     if(aRefFreon*aRefArgon>0) {
 457       aTransRad  = TMath::Power((aCellFreon/aRefFreon)/(aCellArgon/aRefArgon)*aCorrFactor,aConvFactor);
 458     } else {
 459       return DefaultEMean();
 460     }
 461
 462     // evaluate 0.5 mm of thickness SiO2 Trans
 463     Double_t aTransSiO2 = TMath::Exp(-0.5/AliHMPIDParam::LAbsWin(photEn));
 464
 465     // evaluate 80 cm of thickness Gap (low density CH4) transparency
 466     Double_t aTransGap  = TMath::Exp(-80./AliHMPIDParam::LAbsGap(photEn));
 467
 468     // evaluate CsI quantum efficiency
 469     Double_t aCsIQE            = AliHMPIDParam::QEffCSI(photEn);
 470
 471     // evaluate total convolution of all material optical properties
 472     Double_t aTotConvolution   = aTransRad*aTransSiO2*aTransGap*aCsIQE;
 473
 474     sEnergProb+=aTotConvolution*photEn;
 475
 476     sProb+=aTotConvolution;
 477 }
 478   if(sProb>0) {
 479     eMean = sEnergProb/sProb;
 480   } else {
 481     return DefaultEMean();
 482   }
 483   Log(Form(" Mean energy photon calculated ---> %f eV ",eMean));
 484
 485   if(eMean<AliHMPIDParam::EPhotMin() || eMean>AliHMPIDParam::EPhotMax()) return DefaultEMean();
 486
 487   return eMean;
 488 }
 489 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 490 Double_t AliHMPIDPreprocessor::DefaultEMean()
 491 {
 492     Double_t eMean = 6.675;      //just set a refractive index for C6F14 at ephot=6.675 eV @ T=25 C
 493     AliWarning(Form("Mean energy for photons out of range [%f,%f] in Preprocessor. Default value Eph=%f eV taken.",AliHMPIDParam::EPhotMin(),
 494                                                                                                                    AliHMPIDParam::EPhotMax(),
 495                                                                                                                    eMean));
 496     return eMean;
 497 }