]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - EMCAL/AliEMCALSDigitizer.cxx
Coverity fixes
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALSDigitizer.cxx
index 24de52b9e2f76fb397744eaefece08c8016cdc68..a483a5bae41d6f643ee9eaf666f02e01cb607e0c 100644 (file)
@@ -16,7 +16,7 @@
 /* $Id$ */
 
 //_________________________________________________________________________
-// This is a TTask that makes SDigits out of Hits
+// This is a Class that makes SDigits out of Hits
 // A Summable Digits is the sum of all hits originating 
 // from one in one tower of the EMCAL 
 // A threshold for assignment of the primary to SDigit is applied 
 // User case:
 // root [0] AliEMCALSDigitizer * s = new AliEMCALSDigitizer("galice.root")
 // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
-// root [1] s->ExecuteTask()
+// root [1] s->Digitize()
 //             // Makes SDigitis for all events stored in galice.root
 // root [2] s->SetPedestalParameter(0.001)
 //             // One can change parameters of digitization
 // root [3] s->SetSDigitsBranch("Redestal 0.001")
 //             // and write them into the new branch
-// root [4] s->ExeciteTask("deb all tim")
+// root [4] s->Digitize("deb all tim")
 //             // available parameters:
 //             deb - print # of produced SDigitis
 //             deb all  - print # and list of produced SDigits
@@ -77,7 +77,7 @@ ClassImp(AliEMCALSDigitizer)
            
 //____________________________________________________________________________ 
 AliEMCALSDigitizer::AliEMCALSDigitizer()
-  : TTask("",""),
+  : TNamed("",""),
     fA(0.),fB(0.),fECPrimThreshold(0.),
     fDefaultInit(kTRUE),
     fEventFolderName(0),
@@ -85,7 +85,8 @@ AliEMCALSDigitizer::AliEMCALSDigitizer()
     fSDigitsInRun(0),
     fFirstEvent(0),
     fLastEvent(0),
-    fSampling(0.)
+    fSampling(0.),
+       fHits(0)
 {
   // ctor
   InitParameters();
@@ -94,7 +95,7 @@ AliEMCALSDigitizer::AliEMCALSDigitizer()
 //____________________________________________________________________________ 
 AliEMCALSDigitizer::AliEMCALSDigitizer(const char * alirunFileName, 
                                       const char * eventFolderName)
-  : TTask("EMCAL"+AliConfig::Instance()->GetSDigitizerTaskName(), alirunFileName),
+  : TNamed("EMCALSDigitizer", alirunFileName),
     fA(0.),fB(0.),fECPrimThreshold(0.),
     fDefaultInit(kFALSE),
     fEventFolderName(eventFolderName),
@@ -102,7 +103,8 @@ AliEMCALSDigitizer::AliEMCALSDigitizer(const char * alirunFileName,
     fSDigitsInRun(0),
     fFirstEvent(0),
     fLastEvent(0),
-    fSampling(0.)
+    fSampling(0.),
+    fHits(0)
 {
   // ctor
   Init();
@@ -113,7 +115,7 @@ AliEMCALSDigitizer::AliEMCALSDigitizer(const char * alirunFileName,
 
 //____________________________________________________________________________ 
 AliEMCALSDigitizer::AliEMCALSDigitizer(const AliEMCALSDigitizer & sd) 
-  : TTask(sd.GetName(),sd.GetTitle()),
+  : TNamed(sd.GetName(),sd.GetTitle()),
     fA(sd.fA),
     fB(sd.fB),
     fECPrimThreshold(sd.fECPrimThreshold),
@@ -123,24 +125,34 @@ AliEMCALSDigitizer::AliEMCALSDigitizer(const AliEMCALSDigitizer & sd)
     fSDigitsInRun(sd.fSDigitsInRun),
     fFirstEvent(sd.fFirstEvent),
     fLastEvent(sd.fLastEvent),
-    fSampling(sd.fSampling)
+    fSampling(sd.fSampling),
+    fHits(0)
 {
   //cpy ctor 
 }
 
+//_____________________________________________________________________
+AliEMCALSDigitizer& AliEMCALSDigitizer::operator = (const AliEMCALSDigitizer& source)
+{ // assignment operator; use copy ctor
+  if (&source == this) return *this;
+
+  new (this) AliEMCALSDigitizer(source);
+  return *this;
+}
 
 //____________________________________________________________________________ 
 AliEMCALSDigitizer::~AliEMCALSDigitizer() {
   //dtor
-  AliLoader *emcalLoader=0;
-  if ((emcalLoader = AliRunLoader::Instance()->GetDetectorLoader("EMCAL")))
-      emcalLoader->CleanSDigitizer();
+       
+  if(fHits){
+         fHits->Clear();
+         delete fHits;
+  }
 }
 
 //____________________________________________________________________________ 
 void AliEMCALSDigitizer::Init(){
-  // Initialization: open root-file, allocate arrays for hits and sdigits,
-  // attach task SDigitizer to the list of EMCAL tasks
+  // Initialization: open root-file, allocate arrays for hits and sdigits
   // 
   // Initialization can not be done in the default constructor
   //============================================================= YS
@@ -155,9 +167,6 @@ void AliEMCALSDigitizer::Init(){
     return ;
   } 
   
-  emcalLoader->PostSDigitizer(this);
-  emcalLoader->GetSDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
-  
 }
 
 //____________________________________________________________________________ 
@@ -212,148 +221,178 @@ void AliEMCALSDigitizer::InitParameters()
 }
 
 //____________________________________________________________________________
-void AliEMCALSDigitizer::Exec(Option_t *option) 
+void AliEMCALSDigitizer::Digitize(Option_t *option) 
 { 
-  // Collects all hit of the same tower into digits
-  TString o(option); o.ToUpper();
-  if (strstr(option, "print") ) {
-
-    AliDebug(2,Form("Print: \n------------------- %s -------------\n",GetName()));
-    AliDebug(2,Form("   fInit                                 %i\n", int(fInit)));
-    AliDebug(2,Form("   fFirstEvent                           %i\n", fFirstEvent));
-    AliDebug(2,Form("   fLastEvent                            %i\n", fLastEvent));
-    AliDebug(2,Form("   Writing SDigits to branch with title  %s\n", fEventFolderName.Data()));
-    AliDebug(2,Form("   with digitization parameters       A = %f\n", fA));
-    AliDebug(2,Form("                                      B = %f\n", fB));
-    AliDebug(2,Form("   Threshold for EC Primary assignment  = %f\n", fECPrimThreshold));
-    AliDebug(2,Form("   Sampling                             = %f\n", fSampling));
-    AliDebug(2,Form("---------------------------------------------------\n"));
-
-    return ; 
-  }
-
-  if(strstr(option,"tim"))
-    gBenchmark->Start("EMCALSDigitizer");
-
-  AliRunLoader *rl = AliRunLoader::Instance();
-  AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
-
-  //switch off reloading of this task while getting event
-  if (!fInit) { // to prevent overwrite existing file
-    AliError( Form("Give a version name different from %s", fEventFolderName.Data()) ) ;
-    return ;
-    }
-
-  if (fLastEvent == -1) 
-    fLastEvent = rl->GetNumberOfEvents() - 1 ;
-  else {
-    fLastEvent = TMath::Min(fLastEvent, rl->GetNumberOfEvents()-1);
-  }
-  Int_t nEvents   = fLastEvent - fFirstEvent + 1;
-
-  Int_t ievent;
-  Float_t energy=0.; // de * fSampling - 23-nov-04
-  rl->LoadKinematics();
-  rl->LoadHits("EMCAL");
-
-  for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
-    rl->GetEvent(ievent);
-    TTree * treeS = emcalLoader->TreeS();
-    if ( !treeS ) { 
-      emcalLoader->MakeSDigitsContainer();
-      treeS = emcalLoader->TreeS();
-    }
-    TClonesArray * hits = emcalLoader->Hits() ; 
-    TClonesArray * sdigits = emcalLoader->SDigits() ;
-    sdigits->Clear();
-
-    Int_t nSdigits = 0 ;
-    Int_t i;
-
-       AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(); 
-    for ( i = 0 ; i < hits->GetEntries() ; i++ ) {
-      AliEMCALHit * hit = dynamic_cast<AliEMCALHit*>(hits->At(i)) ;
-      AliEMCALDigit * curSDigit = 0 ;
-      AliEMCALDigit * sdigit = 0 ;
-      Bool_t newsdigit = kTRUE; 
-      
-      // hit->GetId() - Absolute Id number EMCAL segment
-      if(geom->CheckAbsCellId(hit->GetId())) { // was IsInECA(hit->GetId())
-       energy = hit->GetEnergy() * fSampling; // 23-nov-04
-       if(energy >  fECPrimThreshold )
-         // Assign primary number only if deposited energy is significant
-         curSDigit =  new AliEMCALDigit( hit->GetPrimary(),
-                                         hit->GetIparent(), hit->GetId(), 
-                                         Digitize(energy), hit->GetTime(),kFALSE,
-                                         -1, energy ) ;
-         else
-           curSDigit =  new AliEMCALDigit( -1, 
-                                           -1,
-                                           hit->GetId(), 
-                                           Digitize(energy), hit->GetTime(),kFALSE,
-                                           -1, energy ) ;
-      } else {
-       Warning("Exec"," abs id %i is bad \n", hit->GetId());
-       newsdigit = kFALSE;
-       curSDigit = 0;
-      }
-      
-      if(curSDigit != 0){
-       for(Int_t check= 0; check < nSdigits ; check++) {
-         sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(check)) ;
-         
-         if( sdigit->GetId() == curSDigit->GetId()) { // Are we in the same ECAL tower ?              
-           *sdigit = *sdigit + *curSDigit;
-           newsdigit = kFALSE;
-         }
+       // Collects all hit of the same tower into digits
+       TString o(option); o.ToUpper();
+       if (strstr(option, "print") ) {
+               
+               AliDebug(2,Form("Print: \n------------------- %s -------------\n",GetName()));
+               AliDebug(2,Form("   fInit                                 %i\n", int(fInit)));
+               AliDebug(2,Form("   fFirstEvent                           %i\n", fFirstEvent));
+               AliDebug(2,Form("   fLastEvent                            %i\n", fLastEvent));
+               AliDebug(2,Form("   Writing SDigits to branch with title  %s\n", fEventFolderName.Data()));
+               AliDebug(2,Form("   with digitization parameters       A = %f\n", fA));
+               AliDebug(2,Form("                                      B = %f\n", fB));
+               AliDebug(2,Form("   Threshold for EC Primary assignment  = %f\n", fECPrimThreshold));
+               AliDebug(2,Form("   Sampling                             = %f\n", fSampling));
+               AliDebug(2,Form("---------------------------------------------------\n"));
+               
+               return ; 
        }
-      }
-      if (newsdigit) {
-       new((*sdigits)[nSdigits])  AliEMCALDigit(*curSDigit);
-       nSdigits++ ;  
-      }
-      delete curSDigit ; 
-    }  // loop over all hits (hit = deposited energy/entering particle)
-    sdigits->Sort() ;
-    
-    nSdigits = sdigits->GetEntriesFast() ;
-    fSDigitsInRun += nSdigits ;  
-
-    for (i = 0 ; i < sdigits->GetEntriesFast() ; i++) { 
-      AliEMCALDigit * sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(i)) ;
-      sdigit->SetIndexInList(i) ;
-    }
-    
-    // Now write SDigits    
-    
-    Int_t bufferSize = 32000 ;    
-    TBranch * sdigitsBranch = treeS->GetBranch("EMCAL");
-    if (sdigitsBranch)
-      sdigitsBranch->SetAddress(&sdigits);
-    else
-      treeS->Branch("EMCAL",&sdigits,bufferSize);
-    
-    treeS->Fill();
-    
-    emcalLoader->WriteSDigits("OVERWRITE");
-    
-    //NEXT - SDigitizer
-    emcalLoader->WriteSDigitizer("OVERWRITE");  // why in event cycle ?
-    
-    if(strstr(option,"deb"))
-      PrintSDigits(option) ;  
-  }
-  
-  Unload();
-  
-  emcalLoader->GetSDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
+       
+       
+       if(strstr(option,"tim"))
+               gBenchmark->Start("EMCALSDigitizer");
+       
+       AliRunLoader *rl = AliRunLoader::Instance();
+       AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
+       
+       if (!fInit) { // to prevent overwrite existing file
+         AliError( Form("Give a version name different from %s", fEventFolderName.Data()) ) ;
+         return ;
+       }
+       
+       if (fLastEvent == -1) 
+               fLastEvent = rl->GetNumberOfEvents() - 1 ;
+       else {
+               fLastEvent = TMath::Min(fLastEvent, rl->GetNumberOfEvents()-1);
+       }
+       Int_t nEvents   = fLastEvent - fFirstEvent + 1;
+       
+       Float_t energy=0.; // de * fSampling - 23-nov-04
+       rl->LoadKinematics();
+       rl->LoadHits("EMCAL");
   
-  if(strstr(option,"tim")){
-    gBenchmark->Stop("EMCALSDigitizer"); 
-    printf("\n Exec: took %f seconds for SDigitizing %f seconds per event\n", 
-          gBenchmark->GetCpuTime("EMCALSDigitizer"), gBenchmark->GetCpuTime("EMCALSDigitizer")/nEvents ) ; 
-  }
+  Int_t ievent;
+       for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
+               rl->GetEvent(ievent);
+               TTree * treeS = emcalLoader->TreeS();
+               if ( !treeS ) { 
+                       emcalLoader->MakeSDigitsContainer();
+                       treeS = emcalLoader->TreeS();
+               }
+    
+               TClonesArray * sdigits = emcalLoader->SDigits() ;
+               sdigits->Clear("C");
+               
+               Int_t nSdigits = 0 ;
+               Int_t iHit, iTrack, iSDigit;
+               
+               AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(); 
+               
+               TTree *treeH = emcalLoader->TreeH();    
+               if (treeH) {
+                       Int_t nTrack = treeH->GetEntries();  // TreeH has array of hits for every primary
+                       TBranch * branchH = treeH->GetBranch("EMCAL");
+                       //if(fHits)fHits->Clear();
+                       branchH->SetAddress(&fHits);
+                       for (iTrack = 0; iTrack < nTrack; iTrack++) {
+                               branchH->GetEntry(iTrack); 
+        
+        if(fHits){
+          
+          Int_t nHit = fHits->GetEntriesFast();
+          for(iHit = 0; iHit< nHit;iHit++){
+            
+            AliEMCALHit * hit = dynamic_cast<AliEMCALHit*>(fHits->At(iHit)) ;
+            AliEMCALDigit * curSDigit = 0 ;
+            AliEMCALDigit * sdigit = 0 ;
+            Bool_t newsdigit = kTRUE; 
+            
+            // hit->GetId() - Absolute Id number EMCAL segment
+            if(hit){
+              if(geom->CheckAbsCellId(hit->GetId())) { // was IsInECA(hit->GetId())
+                energy = hit->GetEnergy() * fSampling; // 23-nov-04
+                if(energy >  fECPrimThreshold )
+                  // Assign primary number only if deposited energy is significant
+                  curSDigit =  new AliEMCALDigit(hit->GetPrimary(),
+                                                 hit->GetIparent(), hit->GetId(), 
+                                                 Digitize(energy), hit->GetTime(),kFALSE,
+                                                 -1, 0,0,energy ) ;
+                else
+                  curSDigit =  new AliEMCALDigit(-1, 
+                                                 -1,
+                                                 hit->GetId(), 
+                                                 Digitize(energy), hit->GetTime(),kFALSE,
+                                                 -1, 0,0,energy ) ;
+              } else {
+                Warning("Digitize"," abs id %i is bad \n", hit->GetId());
+                newsdigit = kFALSE;
+                curSDigit = 0;
+              }
+              
+              if(curSDigit != 0){
+                for(Int_t check= 0; check < nSdigits ; check++) {
+                  sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(check)) ;
+                  if(sdigit){
+                    if( sdigit->GetId() == curSDigit->GetId()) { // Are we in the same ECAL tower ?              
+                      *sdigit = *sdigit + *curSDigit;
+                      newsdigit = kFALSE;
+                    }
+                  }// sdigit exists
+                  else {
+                    AliWarning("Sdigit do not exist");
+                    newsdigit = kFALSE;  
+                  }// sdigit does not exist
+                }//sdigit loop
+              }// currsdigit exists
+              
+              if (newsdigit) {
+                new((*sdigits)[nSdigits])  AliEMCALDigit(*curSDigit);
+                nSdigits++ ;  
+              }
+              delete curSDigit ;
+              
+            }// hit exists
+            else AliFatal("Hit is NULL!");
+            
+          }  // loop over all hits (hit = deposited energy/entering particle)
+          
+        }//fHits is not NULL
+        else AliFatal("fHit is NULL!");
+        
+                               sdigits->Sort() ;
+                               
+                               nSdigits = sdigits->GetEntriesFast() ;
+                               fSDigitsInRun += nSdigits ;  
+                               
+                               for (iSDigit = 0 ; iSDigit < sdigits->GetEntriesFast() ; iSDigit++) { 
+                                       AliEMCALDigit * sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(iSDigit)) ;
+                                       if(sdigit)sdigit->SetIndexInList(iSDigit) ;
+          else AliFatal("sdigit is NULL!");
+                               }       
+                               if(fHits)fHits->Clear();
+                       }//track loop
+               }// tree exists
+               
+               // Now write SDigits    
+               
+               Int_t bufferSize = 32000 ;    
+               TBranch * sdigitsBranch = treeS->GetBranch("EMCAL");
+               if (sdigitsBranch)
+                       sdigitsBranch->SetAddress(&sdigits);
+               else
+                       treeS->Branch("EMCAL",&sdigits,bufferSize);
+               
+               treeS->Fill();
+               
+               emcalLoader->WriteSDigits("OVERWRITE");
+               
+               //NEXT - SDigitizer
+               //emcalLoader->WriteSDigitizer("OVERWRITE");  // why in event cycle ?
+               
+               if(strstr(option,"deb"))
+                       PrintSDigits(option) ;  
+       }
+       
+       Unload();
+               
+       if(strstr(option,"tim")){
+               gBenchmark->Stop("EMCALSDigitizer"); 
+               printf("\n Digitize: took %f seconds for SDigitizing %f seconds per event\n", 
+           gBenchmark->GetCpuTime("EMCALSDigitizer"), gBenchmark->GetCpuTime("EMCALSDigitizer")/nEvents ) ; 
+       }
 }
 
 //__________________________________________________________________
@@ -432,42 +471,48 @@ Bool_t AliEMCALSDigitizer::operator==( AliEMCALSDigitizer const &sd )const
   else
     return kFALSE ;
 }
-
 //__________________________________________________________________
 void AliEMCALSDigitizer::PrintSDigits(Option_t * option)
 {
   //Prints list of digits produced at the current pass of AliEMCALDigitizer
-    
-  AliEMCALLoader *rl = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
-  const TClonesArray * sdigits = rl->SDigits() ; 
   
-  printf("\n") ;  
-  printf("event %i", rl->GetRunLoader()->GetEventNumber());
-  printf(" Number of entries in SDigits list %i", sdigits->GetEntriesFast()); 
-  if(strstr(option,"all")||strstr(option,"EMC")){
+  AliEMCALLoader *rl = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
+  if(rl){
+    const TClonesArray * sdigits = rl->SDigits() ; 
     
-    //loop over digits
-    AliEMCALDigit * digit;
-    printf("\n   Id  Amplitude    Time          Index Nprim: Primaries list \n") ;    
-       Int_t   index = 0;
-    Float_t isum  = 0.;
-    char * tempo = new char[8192]; 
-    for (index = 0 ; index < sdigits->GetEntries() ; index++) {
-      digit = dynamic_cast<AliEMCALDigit *>( sdigits->At(index) ) ;
-      sprintf(tempo, "\n%6d  %8f    %6.5e %4d      %2d :",
-             digit->GetId(), digit->GetAmplitude(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;  
-      printf("%s",tempo);
-      isum += digit->GetAmplitude();
+    printf("\n") ;  
+    printf("event %i", rl->GetRunLoader()->GetEventNumber());
+    printf(" Number of entries in SDigits list %i", sdigits->GetEntriesFast()); 
+    if(strstr(option,"all")||strstr(option,"EMC")){
       
-      Int_t iprimary;
-      for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
-                 sprintf(tempo, "%d ",digit->GetPrimary(iprimary+1) ) ; 
-       printf("%s",tempo); 
-      }         
-    }
-    delete [] tempo ;
-    printf("\n** Sum %2.3f : %10.3f GeV/c **\n ", isum, Calibrate(isum));
-  } else printf("\n");
+      //loop over digits
+      AliEMCALDigit * digit;
+      printf("\n   Id  Amplitude    Time          Index Nprim: Primaries list \n") ;    
+      Int_t   index = 0;
+      Float_t isum  = 0.;
+      const Int_t bufferSize = 8192;
+      char * tempo = new char[bufferSize]; 
+      for (index = 0 ; index < sdigits->GetEntries() ; index++) {
+        digit = dynamic_cast<AliEMCALDigit *>( sdigits->At(index) ) ;
+        if(digit){
+          snprintf(tempo, bufferSize,"\n%6d  %8f    %6.5e %4d      %2d :",
+                  digit->GetId(), digit->GetAmplitude(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;  
+          printf("%s",tempo);
+          isum += digit->GetAmplitude();
+          
+          Int_t iprimary;
+          for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
+            snprintf(tempo,bufferSize, "%d ",digit->GetPrimary(iprimary+1) ) ; 
+            printf("%s",tempo); 
+          }  
+        } //sdigit exists
+        else AliFatal("SDigit is NULL!");
+      }//loop
+      delete [] tempo ;
+      printf("\n** Sum %2.3f : %10.3f GeV/c **\n ", isum, Calibrate(isum));
+    } else printf("\n");
+  }
+  else AliFatal("EMCALLoader is NULL!");
 }
 
 //____________________________________________________________________________ 
@@ -475,12 +520,15 @@ void AliEMCALSDigitizer::Unload() const
 {
   // Unload Hits and SDigits from the folder
   AliEMCALLoader *rl = dynamic_cast<AliEMCALLoader*>(AliRunLoader::Instance()->GetDetectorLoader("EMCAL"));
-  rl->UnloadHits() ; 
-  rl->UnloadSDigits() ; 
+  if(rl){
+    rl->UnloadHits() ; 
+    rl->UnloadSDigits() ;
+  }
+  else AliFatal("EMCALLoader is NULL!");
 }
 
 //____________________________________________________________________________ 
 void AliEMCALSDigitizer::Browse(TBrowser* b)
 {
-  TTask::Browse(b);
+  TNamed::Browse(b);
 }