* provided "as is" without express or implied warranty. *
**************************************************************************/
+
/* $Id$ */
//_________________________________________________________________________
//
//*-- Author : Sahal Yacoob (LBL)
// based on : AliPHOSSDigitzer
+// Modif:
+// August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
+// of new IO (à la PHOS)
//////////////////////////////////////////////////////////////////////////////
#include "TSystem.h"
#include "TROOT.h"
#include "TFolder.h"
-#include "TGeometry.h"
#include "TBenchmark.h"
+#include "TGeometry.h"
+
// --- Standard library ---
#include <iomanip.h>
#include "AliRun.h"
#include "AliHeader.h"
#include "AliEMCALDigit.h"
-#include "AliEMCALHit.h"
-#include "AliEMCALSDigitizer.h"
#include "AliEMCALGeometry.h"
-#include "AliEMCALv1.h"
#include "AliEMCALGetter.h"
+#include "AliEMCALHit.h"
+#include "AliEMCALSDigitizer.h"
ClassImp(AliEMCALSDigitizer)
}
//____________________________________________________________________________
-AliEMCALSDigitizer::AliEMCALSDigitizer(const char* headerFile, const char *sDigitsTitle):TTask(sDigitsTitle, headerFile)
+AliEMCALSDigitizer::AliEMCALSDigitizer(const char* headerFile, const char *sDigitsTitle, const Bool_t toSplit):
+TTask(sDigitsTitle, headerFile)
{
// ctor
InitParameters() ;
+ fToSplit = toSplit ;
Init();
fDefaultInit = kFALSE ;
}
AliEMCALSDigitizer::~AliEMCALSDigitizer()
{
// dtor
- // fDefaultInit = kTRUE if SDigitizer created by default ctor (to get just the parameters)
-
- if (!fDefaultInit) {
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-
- // remove the task from the folder list
- gime->RemoveTask("S",GetName()) ;
-
- TString name(GetName()) ;
- if (! name.IsNull() )
- if (name.Index(":") > 0)
- name.Remove(name.Index(":")) ;
-
- // remove the Hits from the folder list
- gime->RemoveObjects("H",name) ;
-
- // remove the SDigits from the folder list
- gime->RemoveObjects("S", name) ;
-
- // Close the root file
- gime->CloseFile() ;
-
- }
+
fSplitFile = 0 ;
}
if( strcmp(GetTitle(), "") == 0 )
SetTitle("galice.root") ;
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), GetName(), "update") ;
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), GetName(), fToSplit) ;
if ( gime == 0 ) {
- cerr << "ERROR: AliEMCALSDigitizer::Init -> Could not obtain the Getter object !" << endl ;
+ cerr << "ERROR: AliEMCALSDigitizer::Init -> Could not obtain the Getter object !"
+ << endl ;
return ;
}
gime->PostSDigits( GetName(), GetTitle() ) ;
+
+ fSplitFile = 0 ;
+ if(fToSplit){
+ // construct the name of the file as /path/EMCAL.SDigits.root
+ // First - extract full path if necessary
+ TString sDigitsFileName(GetTitle()) ;
+ Ssiz_t islash = sDigitsFileName.Last('/') ;
+ if(islash<sDigitsFileName.Length())
+ sDigitsFileName.Remove(islash+1,sDigitsFileName.Length()) ;
+ else
+ sDigitsFileName="" ;
+ // Next - append the file name
+ sDigitsFileName+="EMCAL.SDigits." ;
+ if((strcmp(GetName(),"Default")!=0)&&(strcmp(GetName(),"")!=0)){
+ sDigitsFileName+=GetName() ;
+ sDigitsFileName+="." ;
+ }
+ sDigitsFileName+="root" ;
+ // Finally - check if the file already opened or open the file
+ fSplitFile = static_cast<TFile*>(gROOT->GetFile(sDigitsFileName.Data()));
+ if(!fSplitFile)
+ fSplitFile = TFile::Open(sDigitsFileName.Data(),"update") ;
+ }
TString sdname(GetName() );
sdname.Append(":") ;
sdname.Append(GetTitle() ) ;
- SetName(sdname.Data()) ;
+ SetName(sdname) ;
gime->PostSDigitizer(this) ;
-
-
}
//____________________________________________________________________________
void AliEMCALSDigitizer::InitParameters(){
- fA = 0;
- fB = 10000000.;
- fTowerPrimThreshold = 0.01 ;
+ fA = 0;
+ fB = 10000000.;
+ fTowerPrimThreshold = 0.01 ;
fPreShowerPrimThreshold = 0.0001 ;
- fNevents = 0 ;
- fPhotonElectronFactor = 5000. ; // photoelectrons per GeV
- fSplitFile = 0 ;
-
+ fPhotonElectronFactor = 5000. ; // photoelectrons per GeV
+ fSplitFile = 0 ;
+ fToSplit = kFALSE ;
}
//____________________________________________________________________________
if(strstr(option,"tim"))
gBenchmark->Start("EMCALSDigitizer");
-
//Check, if this branch already exits
- gAlice->GetEvent(0) ;
-
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
+ if(gime->BranchExists("SDigits") )
+ return;
+
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) ) {
- TString thisName( GetName() ) ;
- TString branchName( branch->GetTitle() ) ;
- branchName.Append(":") ;
- if ( (strcmp(branch->GetName(), "EMCAL")==0) && thisName.BeginsWith(branchName) )
- emcalfound = kTRUE ;
-
- else if ( (strcmp(branch->GetName(), "AliEMCALSDigitizer")==0) && thisName.BeginsWith(branchName) )
- sdigitizerfound = kTRUE ;
- }
-
- if ( emcalfound || sdigitizerfound ) {
- cerr << "WARNING: AliEMCALSDigitizer::Exec -> SDigits and/or SDigitizer branch with name " << GetName()
- << " already exits" << endl ;
- return ;
- }
- }
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- Int_t nevents = (Int_t) gAlice->TreeE()->GetEntries() ;
-
+ Int_t nevents = gime->MaxEvent() ;
Int_t ievent ;
for(ievent = 0; ievent < nevents; ievent++){
gime->Event(ievent,"H") ;
- const TClonesArray * fHits = gime->Hits() ;
+ const TClonesArray * hits = gime->Hits() ;
TClonesArray * sdigits = gime->SDigits(sdname.Data()) ;
sdigits->Clear();
Int_t nSdigits = 0 ;
- //Collects all hits in the same active volume into digit
-
-
-
+ //Collects all hits in the same active volume into digit
- //Now made SDigits from hits, for EMCAL it is the same, so just copy
- // Int_t itrack ;
- // 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 * curSDigit = 0 ;
- AliEMCALDigit * sdigit = 0 ;
- Bool_t newsdigit = kTRUE;
-
-
-
- // Assign primary number only if deposited energy is significant
-
- 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()),
- hit->GetTime()) ;
- } else {
- curSDigit = new AliEMCALDigit( -1 ,
- -1 ,
- Layer2TowerID(hit->GetId(),hit->IsInPreShower()),
- Digitize(hit->GetEnergy()),
- hit->GetTime() ) ;
- }
- Int_t check = 0 ;
- for(check= 0; check < nSdigits ; check++) {
- sdigit = (AliEMCALDigit *)sdigits->At(check);
- if( sdigit->GetId() == curSDigit->GetId()) { // Are we in the same tower or the same preshower ?
- *sdigit = *sdigit + *curSDigit;
+ //Now make SDigits from hits, for EMCAL it is the same, so just copy
+ Int_t nPrim = static_cast<Int_t>((gAlice->TreeH())->GetEntries()) ;
+ // Attention nPrim is the number of primaries tracked by Geant
+ // and this number could be different to the number of Primaries in TreeK;
+ Int_t iprim ;
+ for ( iprim = 0 ; iprim < nPrim ; iprim++ ) {
+ //=========== Get the EMCAL branch from Hits Tree for the Primary iprim
+ gime->Track(iprim) ;
+ Int_t i;
+ 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;
+ // Assign primary number only if deposited energy is significant
+ 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()), hit->GetTime() ) ;
+ else
+ curSDigit = new AliEMCALDigit( -1 ,
+ -1 ,
+ Layer2TowerID(hit->GetId(),hit->IsInPreShower()),
+ Digitize(hit->GetEnergy()), hit->GetTime() ) ;
+ Int_t check = 0 ;
+ for(check= 0; check < nSdigits ; check++) {
+ sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(check)) ;
+ if( sdigit->GetId() == curSDigit->GetId()) { // Are we in the same tower or the same preshower ?
+ *sdigit = *sdigit + *curSDigit;
newsdigit = kFALSE;
+ }
}
- }
- if (newsdigit) {
- new((*sdigits)[nSdigits]) AliEMCALDigit(*curSDigit);
- nSdigits++ ;
- }
- } // loop over all hits (hit = deposited energy/layer/entering particle)
- // } // loop over tracks
+ if (newsdigit) {
+ new((*sdigits)[nSdigits]) AliEMCALDigit(*curSDigit);
+ nSdigits++ ;
+ }
+ } // loop over all hits (hit = deposited energy/layer/entering particle)
+ } // loop over iprim
sdigits->Sort() ;
nSdigits = sdigits->GetEntriesFast() ;
- if (nSdigits > 0) {
- sdigits->Expand(nSdigits) ;
-
- // Int_t i ;
- const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
+ fSDigitsInRun += nSdigits ;
+ sdigits->Expand(nSdigits) ;
- 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++) {
- sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(index) ) ;
- if (sdigit->IsInPreShower() ){
- firstPreShowerIndex = index ;
- break ;
- }
+ const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
+
+ 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++) {
+ sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(index) ) ;
+ if (sdigit->IsInPreShower() ){
+ firstPreShowerIndex = index ;
+ break ;
}
+ }
- AliEMCALDigit * preshower ;
- AliEMCALDigit * tower ;
- Int_t lastIndex = lastPreShowerIndex +1 ;
-
-
- for (index = firstPreShowerIndex ; index <= lastPreShowerIndex; index++) {
- preshower = dynamic_cast<AliEMCALDigit *>(sdigits->At(index) );
- Bool_t towerFound = kFALSE ;
- 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() ) {
- 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 ;
- }
- }
- if ( !towerFound ) {
-
- new((*sdigits)[lastIndex]) AliEMCALDigit(*preshower);
- AliEMCALDigit * temp = dynamic_cast<AliEMCALDigit *>(sdigits->At(lastIndex)) ;
- temp->SetId(temp->GetId() - (geom->GetNZ() * geom->GetNPhi()) ) ;
- lastIndex++ ;
+ AliEMCALDigit * preshower ;
+ AliEMCALDigit * tower ;
+ Int_t lastIndex = lastPreShowerIndex +1 ;
+
+ for (index = firstPreShowerIndex ; index <= lastPreShowerIndex; index++) {
+ preshower = dynamic_cast<AliEMCALDigit *>(sdigits->At(index) );
+ Bool_t towerFound = kFALSE ;
+ 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() ) {
+ 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 ;
}
}
-
- sdigits->Sort() ;
- 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 ( !towerFound ) {
+
+ new((*sdigits)[lastIndex]) AliEMCALDigit(*preshower);
+ AliEMCALDigit * temp = dynamic_cast<AliEMCALDigit *>(sdigits->At(lastIndex)) ;
+ temp->SetId(temp->GetId() - (geom->GetNZ() * geom->GetNPhi()) ) ;
+ lastIndex++ ;
}
}
- if(gAlice->TreeS() == 0)
- gAlice->MakeTree("S",fSplitFile);
-
+
+ sdigits->Sort() ;
+ Int_t NPrimarymax = -1 ;
+ Int_t i ;
+ 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()) ;
+ }
+
+ //Now write SDigits
+
+ if(gAlice->TreeS() == 0 || (fSplitFile)) //<--- To be checked: we should not create TreeS if it is already here
+ gAlice->MakeTree("S",fSplitFile);
+
+ if(fSplitFile)
+ fSplitFile->cd() ;
+
//First list of sdigits
Int_t bufferSize = 32000 ;
TBranch * sdigitsBranch = gAlice->TreeS()->Branch("EMCAL",&sdigits,bufferSize);
sdigitsBranch->SetTitle(sdname);
- //second - SDigitizer
+ //NEXT - SDigitizer
Int_t splitlevel = 0 ;
AliEMCALSDigitizer * sd = this ;
TBranch * sdigitizerBranch = gAlice->TreeS()->Branch("AliEMCALSDigitizer","AliEMCALSDigitizer",
sdigitsBranch->Fill() ;
sdigitizerBranch->Fill() ;
gAlice->TreeS()->AutoSave() ;
-
+
if(strstr(option,"deb"))
PrintSDigits(option) ;
}
-
+
if(strstr(option,"tim")){
gBenchmark->Stop("EMCALSDigitizer");
cout << "AliEMCALSDigitizer:" << endl ;
cout << " took " << gBenchmark->GetCpuTime("EMCALSDigitizer") << " seconds for SDigitizing "
- << gBenchmark->GetCpuTime("EMCALSDigitizer")/fNevents << " seconds per event " << endl ;
+ << gBenchmark->GetCpuTime("EMCALSDigitizer") << " seconds per event " << endl ;
cout << endl ;
- }
-
-
+ }
}
+
//__________________________________________________________________
void AliEMCALSDigitizer::SetSDigitsBranch(const char * title ){
// Post to the WhiteBoard
AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
gime->PostSDigits( title, GetTitle()) ;
-
-
}
-//__________________________________________________________________
-void AliEMCALSDigitizer::SetSplitFile(const TString splitFileName)
-{
- // Diverts the SDigits in a file separate from the hits file
-
- TDirectory * cwd = gDirectory ;
-
- if ( !(gAlice->GetTreeSFileName() == splitFileName) ) {
- if (gAlice->GetTreeSFile() )
- gAlice->GetTreeSFile()->Close() ;
- }
-
- fSplitFile = gAlice->InitTreeFile("S",splitFileName.Data());
- fSplitFile->cd() ;
- gAlice->Write(0, TObject::kOverwrite);
-
- TTree *treeE = gAlice->TreeE();
- if (!treeE) {
- cerr << "ERROR: AliEMCALSDigitizer::SetSPlitFile -> No TreeE found "<<endl;
- abort() ;
- }
-
- // copy TreeE
-
- AliHeader *header = new AliHeader();
- treeE->SetBranchAddress("Header", &header);
- treeE->SetBranchStatus("*",1);
- TTree *treeENew = treeE->CloneTree();
- treeENew->Write(0, TObject::kOverwrite);
-
- // copy AliceGeom
- TGeometry *AliceGeom = static_cast<TGeometry*>(cwd->Get("AliceGeom"));
- if (!AliceGeom) {
- cerr << "ERROR: AliEMCALSDigitizer::SetSPlitFile -> AliceGeom was not found in the input file "<<endl;
- abort() ;
- }
- AliceGeom->Write(0, TObject::kOverwrite) ;
-
- gAlice->MakeTree("S",fSplitFile);
- cwd->cd() ;
- cout << "INFO: AliEMCALSDigitizer::SetSPlitFile -> SDigits will be stored in " << splitFileName.Data() << endl ;
-}
//__________________________________________________________________
-void AliEMCALSDigitizer::Print(Option_t* option)const{
+void AliEMCALSDigitizer::Print(Option_t* option)const
+{
+ // Prints parameters of SDigitizer
+
cout << "------------------- "<< GetName() << " -------------" << endl ;
cout << " Writing SDigitis to branch with title " << GetName() << endl ;
cout << " with digitization parameters A = " << fA << endl ;
cout << "---------------------------------------------------"<<endl ;
}
+
//__________________________________________________________________
-Bool_t AliEMCALSDigitizer::operator==( AliEMCALSDigitizer const &sd )const{
+Bool_t AliEMCALSDigitizer::operator==( AliEMCALSDigitizer const &sd )const
+{
+ // Equal operator.
+ // SDititizers are equal if their pedestal, slope and threshold are equal
+
if( (fA==sd.fA)&&(fB==sd.fB)&&
(fTowerPrimThreshold==sd.fTowerPrimThreshold) &&
(fPreShowerPrimThreshold==sd.fPreShowerPrimThreshold))
cout << "SDigit Id " << " Amplitude " << " Time " << " Index " << " Nprim " << " Primaries list " << endl;
Int_t index ;
for (index = 0 ; index < sdigits->GetEntries() ; index++) {
- digit = (AliEMCALDigit * ) sdigits->At(index) ;
+ digit = dynamic_cast<AliEMCALDigit *>( sdigits->At(index) ) ;
cout << setw(6) << digit->GetId() << " " << setw(10) << digit->GetAmp() << " " << digit->GetTime()
<< setw(6) << digit->GetIndexInList() << " "
<< setw(5) << digit->GetNprimary() <<" ";
cout <<endl;
}
}
+
//________________________________________________________________________
-Int_t AliEMCALSDigitizer::Layer2TowerID(Int_t ihit, Bool_t preshower){
+const 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() ;
// }
// }
// }
+
+//____________________________________________________________________________
+void AliEMCALSDigitizer::UseHitsFrom(const char * filename)
+{
+ SetTitle(filename) ;
+ Init() ;
+}