AliEMCALSDigitizer::AliEMCALSDigitizer():TTask("AliEMCALSDigitizer","")
{
// ctor
- fA = 0;
- fB = 0. ;
- fPrimThreshold = 0. ;
- fNevents = 0 ;
- fSDigits = 0 ;
- fHits = 0 ;
- fLayerRatio = 0. ;
+ fA = fB = fNevents = 0 ;
+ fTowerPrimThreshold = fPreShowerPrimThreshold = fPhotonElectronFactor = 0. ;
+ fHits = fSDigits = fSDigits = 0 ;
+
fIsInitialized = kFALSE ;
+
}
//____________________________________________________________________________
// ctor
fA = 0;
fB = 10000000.;
- fPrimThreshold = 0.01 ;
+ fTowerPrimThreshold = 0.01 ;
+ fPreShowerPrimThreshold = 0.0001 ;
fNevents = 0 ;
- fLayerRatio = 5./6. ;
+ fPhotonElectronFactor = 5000. ; // photoelectrons per GeV
Init();
}
TString sdname(GetName() );
sdname.Append(":") ;
sdname.Append(GetTitle() ) ;
- SetName(sdname) ;
+ SetName(sdname.Data()) ;
gime->PostSDigitizer(this) ;
- // create a folder on the white board //YSAlice/WhiteBoard/SDigits/EMCAL/headerFile/sdigitsTitle
}
//____________________________________________________________________________
if(strstr(option,"tim"))
gBenchmark->Start("EMCALSDigitizer");
+
+
//Check, if this branch already exits
gAlice->GetEvent(0) ;
+
+ TString sdname(GetName()) ;
+ sdname.Remove(sdname.Index(GetTitle())-1) ;
+
if(gAlice->TreeS() ) {
TObjArray * lob = static_cast<TObjArray*>(gAlice->TreeS()->GetListOfBranches()) ;
TIter next(lob) ;
TBranch * branch = 0 ;
Bool_t emcalfound = kFALSE, sdigitizerfound = kFALSE ;
- while ( (branch = (static_cast<TBranch*>(next()))) && (!emcalfound || !sdigitizerfound) ) {
+ while ( (branch = (static_cast<TBranch*>(next()))) && (!emcalfound || !sdigitizerfound) ) {
if ( (strcmp(branch->GetName(), "EMCAL")==0) && (strcmp(branch->GetTitle(), GetName())==0) )
emcalfound = kTRUE ;
- else if ( (strcmp(branch->GetName(), "AliEMCALSDigitizer")==0) && (strcmp(branch->GetTitle(), GetName())==0) )
+ else if ( (strcmp(branch->GetName(), "AliEMCALSDigitizer")==0) && (strcmp(branch->GetTitle(), sdname)==0) )
sdigitizerfound = kTRUE ;
}
return ;
}
}
- TString sdname(GetName()) ;
- sdname.Remove(sdname.Index(GetTitle())-1) ;
+
AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
Int_t nevents = (Int_t) gAlice->TreeE()->GetEntries() ;
// for (itrack=0; itrack < gAlice->GetNtrack(); itrack++){
//gime->Track(itrack);
//=========== Get the EMCAL branch from Hits Tree for the Primary track itrack
-
-
-
-
+
Int_t i;
for ( i = 0 ; i < fHits->GetEntries() ; i++ ) { // loop over all hits (hit = deposited energy/layer/entering particle)
AliEMCALHit * hit = dynamic_cast<AliEMCALHit*>(fHits->At(i)) ;
AliEMCALDigit * sdigit = 0 ;
Bool_t newsdigit = kTRUE;
+
+
// Assign primary number only if deposited energy is significant
- Float_t preShowerFactor ;
- if (hit->IsInPreShower() )
- preShowerFactor = fLayerRatio ;
- else
- preShowerFactor = 1 ;
-
- if( hit->GetEnergy() > fPrimThreshold)
+ if( (!hit->IsInPreShower() && hit->GetEnergy() > fTowerPrimThreshold) ||
+ (hit->IsInPreShower() && hit->GetEnergy() > fPreShowerPrimThreshold)) {
curSDigit = new AliEMCALDigit( hit->GetPrimary(),
hit->GetIparent(),Layer2TowerID(hit->GetId(),hit->IsInPreShower()),
- Digitize( hit->GetEnergy() * preShowerFactor ) ,
+ Digitize(hit->GetEnergy()),
hit->GetTime()) ;
- else
+ } else {
curSDigit = new AliEMCALDigit( -1 ,
-1 ,
Layer2TowerID(hit->GetId(),hit->IsInPreShower()),
- Digitize( hit->GetEnergy() * preShowerFactor ) ,
+ Digitize(hit->GetEnergy()),
hit->GetTime() ) ;
+ }
Int_t check = 0 ;
for(check= 0; check < nSdigits ; check++) {
sdigit = (AliEMCALDigit *)sdigits->At(check);
// Int_t i ;
const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
- Int_t lastPreShowerIndex = nSdigits - 1 ;
- Int_t firstPreShowerIndex = -1 ;
+ Int_t lastPreShowerIndex = nSdigits - 1 ;
+ if (!(dynamic_cast<AliEMCALDigit *>(sdigits->At(lastPreShowerIndex))->IsInPreShower()))
+ lastPreShowerIndex = -2;
+ Int_t firstPreShowerIndex = 100000 ;
Int_t index ;
AliEMCALDigit * sdigit = 0 ;
for ( index = 0; index < nSdigits ; index++) {
Int_t jndex ;
for (jndex = 0; jndex < firstPreShowerIndex; jndex++) {
tower = dynamic_cast<AliEMCALDigit *>(sdigits->At(jndex) );
- if ( (preshower->GetId() - (geom->GetNZ() * geom->GetNPhi()) ) == tower->GetId() ) {
- *tower = *tower + *preshower ; // and add preshower to tower
+ if ( (preshower->GetId() - (geom->GetNZ() * geom->GetNPhi()) ) == tower->GetId() ) {
+ Float_t towerEnergy = static_cast<Float_t>(tower->GetAmp()) ;
+ Float_t preshoEnergy = static_cast<Float_t>(preshower->GetAmp()) ;
+ towerEnergy +=preshoEnergy ;
+ *tower = *tower + *preshower ; // and add preshower multiplied by layer ratio to tower
+ tower->SetAmp(static_cast<Int_t>(TMath::Ceil(towerEnergy))) ;
towerFound = kTRUE ;
}
}
lastIndex++ ;
}
}
-
+
sdigits->Sort() ;
- for (i = 0 ; i < sdigits->GetEntriesFast() ; i++) {
- sdigit->SetIndexInList(i) ;
- }
-
- if(gAlice->TreeS() == 0)
- gAlice->MakeTree("S") ;
-
-
-
+ Int_t NPrimarymax = -1 ;
+ for (i = 0 ; i < sdigits->GetEntriesFast() ; i++) {
+ sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(i)) ;
+ sdigit->SetIndexInList(i) ;
+ }
+
+ for (i = 0 ; i < sdigits->GetEntriesFast() ; i++) {
+ if (((dynamic_cast<AliEMCALDigit *>(sdigits->At(i)))->GetNprimary()) > NPrimarymax)
+ NPrimarymax = ((dynamic_cast<AliEMCALDigit *>(sdigits->At(i)))->GetNprimary()) ;
+ }
+ if(gAlice->TreeS() == 0)
+ gAlice->MakeTree("S") ;
//Make (if necessary) branches
char * file =0;
Int_t bufferSize = 32000 ;
TBranch * sdigitsBranch = gAlice->TreeS()->Branch("EMCAL",&sdigits,bufferSize);
sdigitsBranch->SetTitle(sdname);
- cout << " AliEMCALSDigitizer::Exec sdname " << sdname << endl ;
if (file) {
sdigitsBranch->SetFile(file);
delete file;
}
- sdigitsBranch->Fill() ;
- sdigitizerBranch->Fill() ;
+ gAlice->TreeS()->Fill() ;
gAlice->TreeS()->Write(0,TObject::kOverwrite) ;
if(strstr(option,"deb"))
void AliEMCALSDigitizer::Print(Option_t* option)const{
cout << "------------------- "<< GetName() << " -------------" << endl ;
cout << " Writing SDigitis to branch with title " << GetName() << endl ;
- cout << " with digitization parameters A = " << fA << endl ;
- cout << " B = " << fB << endl ;
- cout << " Threshold for Primary assignment= " << fPrimThreshold << endl ;
+ cout << " with digitization parameters A = " << fA << endl ;
+ cout << " B = " << fB << endl ;
+ cout << " Threshold for Primary assignment in Tower = " << fTowerPrimThreshold << endl ;
+ cout << " Threshold for Primary assignment in PreShower = " << fPreShowerPrimThreshold << endl ;
cout << "---------------------------------------------------"<<endl ;
}
//__________________________________________________________________
Bool_t AliEMCALSDigitizer::operator==( AliEMCALSDigitizer const &sd )const{
- if( (fA==sd.fA)&&(fB==sd.fB)&&(fPrimThreshold==sd.fPrimThreshold))
+ if( (fA==sd.fA)&&(fB==sd.fB)&&
+ (fTowerPrimThreshold==sd.fTowerPrimThreshold) &&
+ (fPreShowerPrimThreshold==sd.fPreShowerPrimThreshold))
return kTRUE ;
else
return kFALSE ;
}
}
//________________________________________________________________________
-Int_t AliEMCALSDigitizer::Layer2TowerID(Int_t s, Bool_t preshower)
-{
+Int_t AliEMCALSDigitizer::Layer2TowerID(Int_t ihit, Bool_t preshower){
+ // Method to Transform from Hit Id to Digit Id
+ // This function should be one to one
AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
const AliEMCALGeometry * geom = gime->EMCALGeometry();
- Int_t a = (s/geom->GetNPhi())%geom->GetNZ()+1; // Phi Tower Index
- Int_t b = (s-1)%(geom->GetNPhi())+1; //Eta Tower Index
- Int_t t = -10;
+ Int_t ieta = ((ihit-1)/geom->GetNPhi())%geom->GetNZ(); // eta Tower Index
+ Int_t iphi = (ihit-1)%(geom->GetNPhi())+1; //phi Tower Index
+ Int_t it = -10;
+ Int_t ipre = 0;
-if (a > 0 && b > 0)
-{
- t = a*b + preshower*geom->GetNPhi()*geom->GetNZ();
- return t;
-}
-else
-{cerr << " AliEMCALSDigitizer::Layer2TowerID() -- there is an error "<< endl << "Phi number = "
- << b << "Eta number = " << a << endl ;
-return t;}
+ if (preshower)ipre = 1;
+ if (iphi > 0 && ieta >= 0){
+ it = iphi+ieta*geom->GetNPhi() + ipre*geom->GetNPhi()*geom->GetNZ();
+ return it;
+ }else{
+ cerr << " AliEMCALSDigitizer::Layer2TowerID() -- there is an error "<< endl << "Eta number = "
+ << ieta << "Phi number = " << iphi << endl ;
+ return it;
+ } // end if iphi>0 && ieta>0
}
+//_______________________________________________________________________________________
+// void AliEMCALSDigitizer::TestTowerID(void)
+// {
+// Int_t j;
+
+// Bool_t preshower = kFALSE;
+// for (j = 0 ; j < 10 ; j++){ // loop over hit id
+// Int_t i;
+// for (i = 0 ; i <= 2 ; i++){ // loop over
+// Int_t k = i*96*144+j*144+1;
+// cout << " Hit Index = " << k << " " << j*10 << " TOWERID = " << Layer2TowerID(k, preshower) << endl ;
+// }
+// }
+// }
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff