]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - HMPID/HESDfromKin.C
Added event counter
[u/mrichter/AliRoot.git] / HMPID / HESDfromKin.C
index e057ccf0309ce90ecea0f2c478711fdc8be1d2cd..4e80cce8143dff82eec0e6532157f098750772c4 100644 (file)
@@ -54,7 +54,12 @@ void SimEsd(AliLoader *pHL,AliESDEvent *pEsd,Bool_t htaCheck)
     Printf("| SimESD: Utility to embed ESD from kinematics|");
     Printf("-----------------------------------------------");
 }
-  AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE);
+
+  InitGRP();
+//  AliMagF *magFieldMap = (AliMagF*)TGeoGlobalMagField::Instance()->GetField();
+
+//  AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE);
+  AliHMPIDTracker pTracker;
   AliHMPID *pH=(AliHMPID*)gAL->GetAliRun()->GetDetector("HMPID");
   Int_t iNevt=gAL->GetNumberOfEvents();
   pEsd->SetMagneticField(AliHMPIDTracker::GetBz());
@@ -63,13 +68,15 @@ void SimEsd(AliLoader *pHL,AliESDEvent *pEsd,Bool_t htaCheck)
     pHL->TreeR()->GetEntry(0);
     AliStack *pStack=gAL->Stack();
     Int_t nTrkHMPID=0;
+
     for(Int_t i=0;i<pStack->GetNtrack();i++){
       if(!pStack->IsPhysicalPrimary(i)) continue;
       TParticle *pTrack=pStack->Particle(i); 
       if(pTrack->GetPDG()->Charge()==0) continue;
+      Printf("track n. %i",i);
       AliESDtrack trk(pTrack); 
       Float_t xPc,yPc,xRa,yRa,thRa,phRa;
-      Int_t iCh=AliHMPIDTracker::IntTrkCha(&trk,xPc,yPc,xRa,yRa,thRa,phRa);         //get chamber intersected by this track 
+      Int_t iCh=pTracker.IntTrkCha(&trk,xPc,yPc,xRa,yRa,thRa,phRa);         //get chamber intersected by this track 
       if(iCh<0) {
         trk.SetHMPIDtrk(0,0,0,0);                                                                //no intersection found
         trk.SetHMPIDcluIdx   (99,99999);                                                         //chamber not found, mip not yet considered
@@ -78,137 +85,42 @@ void SimEsd(AliLoader *pHL,AliESDEvent *pEsd,Bool_t htaCheck)
       }
       nTrkHMPID++;
       trk.SetHMPIDcluIdx   (iCh,99999);                                                          //chamber not found, mip not yet considered
-      trk.SetHMPIDtrk(xRa,yRa,thRa,phRa);                                                        //store initial infos
-      pEsd->AddTrack(&trk);
-    }// track loop
-    
-    if(!(iEvt%50)) Printf("Number of events processed: %i with tracks %i in HMPID",iEvt,nTrkHMPID);
-    if(!htaCheck) AliHMPIDTracker::Recon(pEsd,pH->CluLst(),pNmean,pQthre);
-// Perform PID
-    
-    
-    for(Int_t iTrk=0;iTrk<pEsd->GetNumberOfTracks();iTrk++){                                       //ESD tracks loop
       
-      AliESDtrack *pTrk = pEsd->GetTrack(iTrk);                                                    //get reconstructed track    
+      if(phRa<0) phRa += TMath::TwoPi(); // to be verified
       
-      Float_t radX,radY,thetaTrk,phiTrk;
-      pTrk->GetHMPIDtrk(radX,radY,thetaTrk,phiTrk);
-      
-      if(htaCheck) {
-          Int_t iCh = pTrk->GetHMPIDcluIdx();                                                                  //chamber not found, mip not yet considered
-          iCh/=1000000;
-  //      Printf("simulated track theta %f phi %f",thetaTrk*rd,phiTrk*rd);
-        TObjArray *pClus = pH->CluLst();
-
-        if(AliHMPIDTracker::ReconHiddenTrk(pEsd,pClus,pNmean,pQthre)!=0) continue;
-
-        Double_t thetaCerSim = TMath::ACos(pTrack->Energy()/(1.292*pTrack->P()));
-        Printf("-----------------------------------------------------------");
-        Printf(" theta Cerenkov simulated     %f",thetaCerSim);
-        Printf(" theta Cerenkov reconstructed %f",pTrk->GetHMPIDsignal());
-        Float_t thetaFit,phiFit;
-        pTrk->GetHMPIDtrk(radX,radY,thetaFit,phiFit);
-//        Printf("reconstr. track theta %f phi %f",thetaFit*rd,phiFit*rd);
-
-        // fill useful histos
-        hdC->Fill(pTrk->GetHMPIDsignal()-thetaCerSim);
-        hCer->Fill(pTrk->GetHMPIDsignal());
-        htvsp->Fill(pTrk->P(),pTrk->GetHMPIDsignal());
-        hdth->Fill((thetaFit-thetaTrk)*1000);
-        hdph->Fill((phiFit-phiTrk)*1000);
-      }
-      
-      AliHMPIDPid pID;
-      Double_t prob[5];
-      pID.FindPid(pTrk,5,prob);
-      pTrk->SetHMPIDpid(prob);
-//      Printf(" Prob e- %6.2f mu %6.2f pi %6.2f k %6.2f p %6.2f",prob[0]*100,prob[1]*100,prob[2]*100,prob[3]*100,prob[4]*100);
-    }
-    
-    gEsdTr->Fill();
-    pEsd->Reset();
+      trk.SetHMPIDtrk(xPc,yPc,thRa,phRa);                                                        //store initial infos
+      pEsd->AddTrack(&trk);
     
-  }// event loop
-  Printf("Events processed %i",iEvt);
-  gAL->UnloadHeader();  gAL->UnloadKinematics();
-}//Esd()
-//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-void SimEsdHidden(AliLoader *pHL,AliESDEvent *pEsd)
-{
-  TFile *fout = new TFile("HTA.root","recreate");
-  TH1F *hdC   = new TH1F("dC"  ,";delta Cerenkov (rad)",100,-0.2,0.2);
-  TH1F *hCer  = new TH1F("Cer" ,"Theta Cerenkov (rad)",250,0.,0.75);
-  TH2F *htvsp = new TH2F("tvsp",";momentum (GeV/c);theta Cerenkov (rad)",100,0.,5.,1000,0.,0.75);
-  TH1F *hdth  = new TH1F("dth" ,";Delta theta Trk (mrad)",100,-250,250);
-  TH1F *hdph  = new TH1F("dph" ,";Delta phi Trk (mrad)",100,-500,500);
-  Double_t rd=TMath::RadToDeg();
-  Printf("----------------------------------------------");
-  Printf("| SimHTA:Utility to embed ESD from kinematics|");
-  Printf("|     with  Hidden Track Algorithm (HTA)     |");
-  Printf("----------------------------------------------");
-  AliHMPIDTracker::SetFieldMap(gAL->GetAliRun()->Field(),kTRUE);
-  AliHMPID *pH=(AliHMPID*)gAL->GetAliRun()->GetDetector("HMPID");
-  Int_t iNevt=gAL->GetNumberOfEvents();
-  pEsd->SetMagneticField(AliHMPIDTracker::GetBz());
-  
-  Printf("Number of events to process: %i",iNevt);
-  
-  for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop
-    if(!(iEvt%1)) Printf("Events processed %i",iEvt);
-    gAL->GetEvent(iEvt);    
-    pHL->TreeR()->GetEntry(0);
-    AliStack *pStack=gAL->Stack();
+      Int_t status;
+      if(!htaCheck) status = pTracker.Recon         (pEsd,pH->CluLst(),pNmean,pQthre);
+      else          status = pTracker.ReconHiddenTrk(pEsd,pH->CluLst(),pNmean,pQthre);
+
+//      Printf("status %i",status);
+      if(status !=0) continue;
+
     
-    for(Int_t i=0;i<pStack->GetNtrack();i++){
-      
-      (!pStack->IsPhysicalPrimary(i)) continue;
-      TParticle *pTrack=pStack->Particle(i); 
-      
-      if(pTrack->GetPDG()->Charge()==0) continue;
-      //find the chamber that intersects HMPID
-      pTrack->Print();
-      AliESDtrack trk(pTrack);
-      Float_t xPc,yPc,xRa,yRa,thRa,phRa;
-      Int_t iCh=AliHMPIDTracker::IntTrkCha(&trk,xPc,yPc,xRa,yRa,thRa,phRa);         //get chamber intersected by this track
-      if(iCh<0) continue;                                                           //no intersection at all, go after next track
-      trk.SetHMPIDtrk(xRa,yRa,thRa,phRa);                                                        //store initial infos
-      Float_t radX,radY,thetaTrk,phiTrk;
-      trk.GetHMPIDtrk(radX,radY,thetaTrk,phiTrk);
-//      Printf("simulated track theta %f phi %f",thetaTrk*rd,phiTrk*rd);
-      TObjArray *pClus = pH->CluLst();
-      
-      if(AliHMPIDTracker::ReconHiddenTrk(iCh,0,&trk,(TClonesArray *)pClus->At(iCh),pNmean,pQthre)!=0) continue;
-      
-      pEsd->AddTrack(&trk);
-      Double_t thetaCerSim = TMath::ACos(pTrack->Energy()/(1.292*pTrack->P()));
-//      Printf(" theta Cerenkov simulated     %f",thetaCerSim);
-//      Printf(" theta Cerenkov reconstructed %f",trk.GetHMPIDsignal());
-      Float_t thetaFit,phiFit;
-      trk.GetHMPIDtrk(radX,radY,thetaFit,phiFit);
-//      Printf("reconstr. track theta %f phi %f",thetaFit*rd,phiFit*rd);
-      
-      // fill useful histos
-      hdC->Fill(trk.GetHMPIDsignal()-thetaCerSim);
-      hCer->Fill(trk.GetHMPIDsignal());
-      htvsp->Fill(pTrack->P(),trk.GetHMPIDsignal());
-      hdth->Fill((thetaFit-thetaTrk)*1000);
-      hdph->Fill((phiFit-phiTrk)*1000);
     }// track loop
-    pEsd->SetMagneticField(AliHMPIDTracker::GetBz());
+    
+    if(!(iEvt%50)) Printf("Number of events processed: %i with tracks %i in HMPID",iEvt,nTrkHMPID);
+//      Printf("Number of events processed: %i with tracks %i in HMPID",iEvt,nTrkHMPID);
+    
     gEsdTr->Fill();
     pEsd->Reset();
   }// event loop
   Printf("Events processed %i",iEvt);
-  fout->Write();
-  fout->Close();
-  delete fout;
+  if(htaCheck) {
+    fout->Write();
+    fout->Close();
+    delete fout;
+  }
   gAL->UnloadHeader();  gAL->UnloadKinematics();
-}//EsdHidden()
+}//SimEsd()
 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 Bool_t OpenCalib()
 {
   AliCDBManager* pCDB = AliCDBManager::Instance();
-  pCDB->SetDefaultStorage("local://$HOME");
+  pCDB->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
+  pCDB->SetRun(0);
   AliCDBEntry *pQthreEnt=pCDB->Get("HMPID/Calib/Qthre",0);
   AliCDBEntry *pNmeanEnt=pCDB->Get("HMPID/Calib/Nmean",0);
   
@@ -221,3 +133,203 @@ Bool_t OpenCalib()
   return kTRUE;
 }
 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+Bool_t InitGRP() {
+  //------------------------------------
+  // Initialization of the GRP entry 
+  //------------------------------------
+  
+  AliGRPObject *fGRPData;
+  
+  AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data");
+
+  if (entry) {
+
+    TMap* m = dynamic_cast<TMap*>(entry->GetObject());  // old GRP entry
+
+    if (!m) {
+       Printf("Found a TMap in GRP/GRP/Data, converting it into an AliGRPObject");
+       m->Print();
+       fGRPData = new AliGRPObject();
+       fGRPData->ReadValuesFromMap(m);
+    }
+
+    else {
+       Printf("Found an AliGRPObject in GRP/GRP/Data, reading it");
+       fGRPData = dynamic_cast<AliGRPObject*>(entry->GetObject());  // new GRP entry
+       entry->SetOwner(0);
+    }
+
+    AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data");
+  }
+
+  if (!fGRPData) {
+     Printf("No GRP entry found in OCDB!");
+     return kFALSE;
+  }
+
+  TString lhcState = fGRPData->GetLHCState();
+  if (lhcState==AliGRPObject::GetInvalidString()) {
+    Printf("GRP/GRP/Data entry:  missing value for the LHC state ! Using UNKNOWN");
+    lhcState = "UNKNOWN";
+  }
+
+  TString beamType = fGRPData->GetBeamType();
+  if (beamType==AliGRPObject::GetInvalidString()) {
+    Printf("GRP/GRP/Data entry:  missing value for the beam type ! Using UNKNOWN");
+    beamType = "UNKNOWN";
+  }
+
+  Float_t beamEnergy = fGRPData->GetBeamEnergy();
+  if (beamEnergy==AliGRPObject::GetInvalidFloat()) {
+    Printf("GRP/GRP/Data entry:  missing value for the beam energy ! Using 0");
+    beamEnergy = 0;
+  }
+  // energy is provided in MeV*120
+  beamEnergy /= 120E3;
+
+  TString runType = fGRPData->GetRunType();
+  if (runType==AliGRPObject::GetInvalidString()) {
+    Printf("GRP/GRP/Data entry:  missing value for the run type ! Using UNKNOWN");
+    runType = "UNKNOWN";
+  }
+
+  Int_t activeDetectors = fGRPData->GetDetectorMask();
+  if (activeDetectors==AliGRPObject::GetInvalidUInt()) {
+    Printf("GRP/GRP/Data entry:  missing value for the detector mask ! Using 1074790399");
+    activeDetectors = 1074790399;
+  }
+
+  fRunInfo = new AliRunInfo(lhcState, beamType, beamEnergy, runType, activeDetectors);
+  printf("qqqqqqqqqqqqqqqqqqqqqqq %s %s %f %s %d\n", lhcState.Data(), beamType.Data(), beamEnergy, runType.Data(), activeDetectors);
+  fRunInfo->Dump();
+
+  //*** Dealing with the magnetic field map
+  if ( TGeoGlobalMagField::Instance()->IsLocked() ) {Printf("Running with the externally locked B field !");}
+  else {
+    // Construct the field map out of the information retrieved from GRP.
+    Bool_t ok = kTRUE;
+    // L3
+    Float_t l3Current = fGRPData->GetL3Current((AliGRPObject::Stats)0);
+    if (l3Current == AliGRPObject::GetInvalidFloat()) {
+      Prtinf("GRP/GRP/Data entry:  missing value for the L3 current !");
+      ok = kFALSE;
+    }
+    
+    Char_t l3Polarity = fGRPData->GetL3Polarity();
+    if (l3Polarity == AliGRPObject::GetInvalidChar()) {
+      Printf("GRP/GRP/Data entry:  missing value for the L3 polarity !");
+      ok = kFALSE;
+    }
+
+    // Dipole
+    Float_t diCurrent = fGRPData->GetDipoleCurrent((AliGRPObject::Stats)0);
+    if (diCurrent == AliGRPObject::GetInvalidFloat()) {
+      Printf("GRP/GRP/Data entry:  missing value for the dipole current !");
+      ok = kFALSE;
+    }
+
+    Char_t diPolarity = fGRPData->GetDipolePolarity();
+    if (diPolarity == AliGRPObject::GetInvalidChar()) {
+      Printf("GRP/GRP/Data entry:  missing value for the dipole polarity !");
+      ok = kFALSE;
+    }
+
+    if (ok) { 
+      if ( !SetFieldMap(l3Current, diCurrent, l3Polarity ? -1:1, diPolarity ? -1:1) )
+       AliFatal("Failed to creat a B field map ! Exiting...");
+      Printf("Running with the B field constructed out of GRP !");
+    }
+    else AliFatal("B field is neither set nor constructed from GRP ! Exitig...");
+    
+  }
+  
+  return kTRUE;
+} 
+
+//_____________________________________________________________________________
+//_____________________________________________________________________________
+  Bool_t SetFieldMap(Float_t l3Cur=30000., Float_t diCur=6000., 
+                    Float_t l3Pol=1., Float_t diPol=1., Float_t beamenergy=7000., 
+                    const Char_t* beamtype="pp",  
+                    const Char_t* path="$(ALICE_ROOT)/data/maps/mfchebKGI_sym.root")
+{
+  //------------------------------------------------
+  // The magnetic field map, defined externally...
+  // L3 current 30000 A  -> 0.5 T
+  // L3 current 12000 A  -> 0.2 T
+  // dipole current 6000 A
+  // The polarities must be the same
+  //------------------------------------------------
+  const Float_t l3NominalCurrent1=30000.; // (A)
+  const Float_t l3NominalCurrent2=12000.; // (A)
+  const Float_t diNominalCurrent =6000. ; // (A)
+
+  const Float_t tolerance=0.03; // relative current tolerance
+  const Float_t zero=77.;       // "zero" current (A)
+  //
+  TString s=(l3Pol < 0) ? "L3: -" : "L3: +";
+  //
+  AliMagF::BMap_t map = AliMagF::k5kG;
+  //
+  double fcL3,fcDip;
+  //
+  l3Cur = TMath::Abs(l3Cur);
+  if (TMath::Abs(l3Cur-l3NominalCurrent1)/l3NominalCurrent1 < tolerance) {
+    fcL3 = l3Cur/l3NominalCurrent1;
+    map  = AliMagF::k5kG;
+    s   += "0.5 T;  ";
+  } else if (TMath::Abs(l3Cur-l3NominalCurrent2)/l3NominalCurrent2 < tolerance) {
+    fcL3 = l3Cur/l3NominalCurrent2;
+    map  = AliMagF::k2kG;
+    s   += "0.2 T;  ";
+  } else if (l3Cur <= zero) {
+    fcL3 = 0;
+    map  = AliMagF::k5kGUniform;
+    s   += "0.0 T;  ";
+    fUniformField=kTRUE;        // track with the uniform (zero) B field
+  } else {
+    AliError(Form("Wrong L3 current (%f A)!",l3Cur));
+    return kFALSE;
+  }
+  //
+  diCur = TMath::Abs(diCur);
+  if (TMath::Abs(diCur-diNominalCurrent)/diNominalCurrent < tolerance) {
+    // 3% current tolerance...
+    fcDip = diCur/diNominalCurrent;
+    s    += "Dipole ON";
+  } else if (diCur <= zero) { // some small current..
+    fcDip = 0.;
+    s    += "Dipole OFF";
+  } else {
+    AliError(Form("Wrong dipole current (%f A)!",diCur));
+    return kFALSE;
+  }
+  //
+  if (l3Pol!=diPol && (map==AliMagF::k5kG || map==AliMagF::k2kG) && fcDip!=0) {
+    AliError("L3 and Dipole polarities must be the same");
+    return kFALSE;
+  }
+  //
+  if (l3Pol<0) fcL3  = -fcL3;
+  if (diPol<0) fcDip = -fcDip;
+  //
+  AliMagF::BeamType_t btype = AliMagF::kNoBeamField;
+  TString btypestr = beamtype;
+  btypestr.ToLower();
+  TPRegexp protonBeam("(proton|p)\\s*-?\\s*\\1");
+  TPRegexp ionBeam("(lead|pb|ion|a)\\s*-?\\s*\\1");
+  if (btypestr.Contains(ionBeam)) btype = AliMagF::kBeamTypeAA;
+  else if (btypestr.Contains(protonBeam)) btype = AliMagF::kBeamTypepp;
+  else {
+    Printf(Form("Cannot determine the beam type from %s, assume no LHC magnet field",beamtype));
+  }
+  Printf("------------------------------");
+  Printf(" Summary for B: %s",s.Data());
+  Printf("------------------------------");
+  AliMagF* fld = new AliMagF("MagneticFieldMap", s.Data(), 2, fcL3, fcDip, 10., map, path, 
+                            btype,beamenergy);
+  TGeoGlobalMagField::Instance()->SetField( fld );
+  TGeoGlobalMagField::Instance()->Lock();
+  //
+  return kTRUE;
+}