////////////////////////////////////////////////////////////////////////////////////
//
//*-- Author: Sahal Yacoob (LBL)
-// based on : AliPHOSDigitizer
-//_________________________________________________________________________________
+// based on : AliEMCALDigitizer
+// Modif:
+// August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
+// of new IO (à la PHOS)
+///_________________________________________________________________________________
// --- ROOT system ---
#include "TFile.h"
#include "TROOT.h"
#include "TFolder.h"
#include "TObjString.h"
+#include "TGeometry.h"
#include "TBenchmark.h"
+
// --- Standard library ---
#include <iomanip.h>
// --- AliRoot header files ---
-
#include "AliRun.h"
+#include "AliHeader.h"
+#include "AliStream.h"
+#include "AliRunDigitizer.h"
#include "AliEMCALDigit.h"
-#include "AliEMCALHit.h"
-#include "AliEMCALv1.h"
+#include "AliEMCAL.h"
+#include "AliEMCALGetter.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCALSDigitizer.h"
#include "AliEMCALGeometry.h"
+#include "AliEMCALTick.h"
ClassImp(AliEMCALDigitizer)
//____________________________________________________________________________
- AliEMCALDigitizer::AliEMCALDigitizer():TTask("AliEMCALDigitizer","")
+ AliEMCALDigitizer::AliEMCALDigitizer()
{
// ctor
-
- fSDigitizer = 0 ;
- fNinputs = 1 ;
- fPinNoise = 0.00 ;
- fEMCDigitThreshold = 0.00 ;
- fInitialized = kFALSE ;
-
- fHeaderFiles = 0;
- fSDigitsTitles = 0;
- fSDigits = 0 ;
- fDigits = 0;
-
+ InitParameters() ;
+ fDefaultInit = kTRUE ;
+ fManager = 0 ; // We work in the standalong mode
+
}
-//____________________________________________________________________________
-void AliEMCALDigitizer::Init(){
-// Makes all memory allocations
- if(!fInitialized){
-
- fHeaderFiles = new TClonesArray("TObjString",1) ;
- new((*fHeaderFiles)[0]) TObjString("galice.root") ;
-
- //Test, if this file already open
-
- TFile *file = (TFile*) gROOT->GetFile(((TObjString *) fHeaderFiles->At(0))->GetString() ) ;
-
- if(file == 0){
- file = new TFile(((TObjString *) fHeaderFiles->At(0))->GetString(),"update") ;
- gAlice = (AliRun *) file->Get("gAlice") ;
- }
- else
- file = new TFile(((TObjString *) fHeaderFiles->At(0))->GetString()) ;
-
- file->cd() ;
-
- fSDigitsTitles = new TClonesArray("TObjString",1);
- new((*fSDigitsTitles)[0]) TObjString("Default") ;
-
- fSDigits = new TClonesArray("TClonesArray",1) ;
- new((*fSDigits)[0]) TClonesArray("AliEMCALDigit",1000) ;
+//____________________________________________________________________________
+AliEMCALDigitizer::AliEMCALDigitizer(const char *headerFile, const char *name, const Bool_t toSplit)
+{
+ // ctor
- fSDigitizer = 0 ;
-
- fDigitsTitle = "Default" ;
-
- fDigits = new TClonesArray("AliEMCALDigit",200000) ;
-
- fIevent = new TArrayI(1) ;
- fIevent->AddAt(-1,0 ) ;
- fIeventMax = new TArrayI(1) ;
-
- fIeventMax->AddAt((Int_t) gAlice->TreeE()->GetEntries(), 0 );
-
- // add Task to //root/Tasks folder
- TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
- roottasks->Add(this) ;
-
- fInitialized = kTRUE ;
- }
-
+ SetTitle(headerFile) ;
+ SetName(name) ;
+ fManager = 0 ; // We work in the standalong mode
+ fSplitFile= 0 ;
+ InitParameters() ;
+ fToSplit = toSplit ;
+ Init() ;
+ fDefaultInit = kFALSE ;
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(const char *headerFile,const char *sDigitsTitle):
- TTask("AliEMCALDigitizer","")
+AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * ard):AliDigitizer(ard)
{
// ctor
- fHeaderFiles = new TClonesArray("TObjString",1) ;
- new((*fHeaderFiles)[0]) TObjString(headerFile) ;
-
- // Header file, where result will be stored
- TFile * file = (TFile*) gROOT->GetFile(((TObjString *) fHeaderFiles->At(0))->GetString() ) ;
- if(file==0){
- if(((TObjString *) fHeaderFiles->At(0))->GetString().Contains("rfio"))
- file = TFile::Open(((TObjString *) fHeaderFiles->At(0))->GetString(),"update") ;
- else
- file = new TFile(((TObjString *) fHeaderFiles->At(0))->GetString(),"update") ;
- gAlice = (AliRun *) file->Get("gAlice") ; //If not read yet
+ SetTitle(ard->GetInputFileName(0,0)) ;
+ InitParameters() ;
+ fDefaultInit = kFALSE ;
+ fSplitFile = 0 ;
+
+ if (ard->GetOutputFile()) {
+ SetName(ard->GetOutputFile().Data());
+ fToSplit = kTRUE ;
+ } else {
+ SetName("Default") ;
+ fToSplit = kFALSE ;
}
-
- file->cd() ;
-
- fSDigitsTitles = new TClonesArray("TObjString",1); // Title name of the SDigits branch
- new((*fSDigitsTitles)[0]) TObjString(sDigitsTitle) ;
-
- fSDigits = new TClonesArray("TClonesArray",1) ; // here list of SDigits wil be stored
- new((*fSDigits)[0]) TClonesArray("AliEMCALDigit",1000) ;
-
- fDigits = new TClonesArray("AliEMCALDigit",200000) ;
-
- fDigitsTitle = "Default" ;
-
-
- fSDigitizer = 0 ;
-
- fIevent = new TArrayI(1) ;
- fIevent->AddAt(-1,0 ) ;
- fIeventMax = new TArrayI(1) ;
-
- // Get number of events to process
- fIeventMax->AddAt((Int_t) gAlice->TreeE()->GetEntries(), 0 );
-
- fNinputs = 1 ;
-
- fPinNoise = 0.0001 ;
- fEMCDigitThreshold = 0.001 ;
-
- // add Task to //root/Tasks folder
- TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ;
- roottasks->Add(this) ;
- fInitialized = kTRUE ;
-
}
//____________________________________________________________________________
{
// dtor
- if(fHeaderFiles) delete fHeaderFiles ;
- if(fSDigitsTitles) delete fSDigitsTitles ;
- if(fSDigits) delete fSDigits ;
- if(fDigits) delete fDigits ;
-}
-//____________________________________________________________________________
-void AliEMCALDigitizer::Reset() {
- //sets current event number to the first simulated event
-
- if(!fInitialized)
- Init() ;
-
- Int_t inputs ;
- for(inputs = 0; inputs < fNinputs ;inputs++)
- fIevent->AddAt(-1, inputs ) ;
-
-}
-//____________________________________________________________________________
-Bool_t AliEMCALDigitizer::Combinator() {
-
- //Makes all desirable combinations Signal+Background,
- // returns kFALSE when all combinations are made
- // May be useful to introduce some options like "One-to-One", "All-to-One" and "All-to-All" ?
-
- //realizing "One-to-One" option...
-
- if(!fInitialized)
- Init() ;
-
- Int_t inputs ;
- Bool_t endNotReached = kTRUE ;
-
- for(inputs = 0; (inputs < fNinputs) && endNotReached ;inputs++){
- if(fIevent->At(inputs)+1 < fIeventMax->At(inputs))
- fIevent->AddAt(fIevent->At(inputs)+1, inputs ) ;
- else
- if(inputs == 0)
- endNotReached = kFALSE ;
- else //for inputs other than base one start from the beginning
- fIevent->AddAt(0, inputs ) ;
-
- }
- return endNotReached ;
-
+ fSplitFile = 0 ;
}
//____________________________________________________________________________
-void AliEMCALDigitizer::Digitize(Option_t *option) {
+void AliEMCALDigitizer::Digitize(const Int_t event)
+{
// Makes the digitization of the collected summable digits
// for this it first creates the array of all EMCAL modules
// helps to avoid scanning over the list of digits to add
// contribution of any new SDigit.
- if(!fInitialized)
- Init() ;
-
- fDigits->Clear() ;
-
- AliEMCALv0 * EMCAL = (AliEMCALv0 *) gAlice->GetDetector("EMCAL") ;
- AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance( EMCAL->GetGeometry()->GetName(), EMCAL->GetGeometry()->GetTitle() );
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
+ TClonesArray * digits = gime->Digits(GetName()) ;
+
+ digits->Clear() ;
+ const AliEMCALGeometry *geom = gime->EMCALGeometry() ;
//Making digits with noise, first EMC
Int_t nEMC = 2*geom->GetNPhi()*geom->GetNZ();
+
Int_t absID ;
TString name = geom->GetName() ;
-
- for(absID = 1; absID <= nEMC; absID++){
- Float_t noise = gRandom->Gaus(0., fPinNoise) ;
- new((*fDigits)[absID-1]) AliEMCALDigit( -1,-1, absID,fSDigitizer->Digitize(noise) ) ;
- }
-
- // Now look throught (unsorted) list of SDigits and add corresponding digits
- AliEMCALDigit *curSDigit ;
- AliEMCALDigit *digit ;
-
- Int_t inputs;
- for(inputs = 0; inputs< fNinputs ; inputs++){ //loop over (possible) merge sources
-
- TClonesArray * sdigits= (TClonesArray *)fSDigits->At(inputs) ;
- Int_t isdigit ;
-
- Int_t nSDigits = sdigits->GetEntries() ;
- for(isdigit=0;isdigit< nSDigits; isdigit++){
- curSDigit = (AliEMCALDigit *)sdigits->At(isdigit) ;
- if(inputs) //Shift primaries for non-background sdigits
- curSDigit->ShiftPrimary(inputs) ;
- digit = (AliEMCALDigit *)fDigits->At(curSDigit->GetId() - 1);
- cout << curSDigit->GetAmp() << " and " << digit->GetAmp() << endl ;
- *digit = *digit + *curSDigit ;
- }
+ // get first the sdigitizer from the tasks list (must have same name as the digitizer)
+ const AliEMCALSDigitizer * sDigitizer = gime->SDigitizer(GetName());
+ if ( !sDigitizer) {
+ cerr << "ERROR: AliEMCALDigitizer::Digitize -> SDigitizer with name " << GetName() << " not found " << endl ;
+ abort() ;
}
-
- //remove digits below thresholds
- for(absID = 0; absID < nEMC ; absID++)
- if(fSDigitizer->Calibrate(((AliEMCALDigit*)fDigits->At(absID))->GetAmp()) < fEMCDigitThreshold)
- fDigits->RemoveAt(absID) ;
-
- fDigits->Compress() ;
-
- Int_t ndigits = fDigits->GetEntriesFast() ;
-
- fDigits->Expand(ndigits) ;
-
-
- //Set indexes in list of digits
- Int_t i ;
- for (i = 0 ; i < ndigits ; i++) {
- AliEMCALDigit * digit = (AliEMCALDigit *) fDigits->At(i) ;
- digit->SetIndexInList(i) ;
- cout << digit->GetAmp() << "is amp" << endl;
- Float_t energy = fSDigitizer->Calibrate(digit->GetAmp()) ;
- cout << energy << " = energy " << endl;
- energy = energy*1000 ;
- cout << energy << " = energy " << endl;
- digit->SetAmp(DigitizeEnergy(energy,digit->GetId()) ) ;
- cout << digit->GetAmp() << "is amp" << endl;
- cout << 100*energy/12.9 << endl ;
+// loop through the sdigits posted to the White Board and add them to the noise
+ TCollection * folderslist = gime->SDigitsFolder()->GetListOfFolders() ;
+ TIter next(folderslist) ;
+ TFolder * folder = 0 ;
+ TClonesArray * sdigits = 0 ;
+ Int_t input = 0 ;
+ TObjArray * sdigArray = new TObjArray(2) ;
+ while ( (folder = (TFolder*)next()) ) {
+ if ( (sdigits = (TClonesArray*)folder->FindObject(GetName()) ) ) {
+ TString fileName(folder->GetName()) ;
+ fileName.ReplaceAll("_","/") ;
+ // cout << "INFO: AliEMCALDigitizer::Digitize -> Adding SDigits "
+ // << GetName() << " from " << fileName << endl ;
+ sdigArray->AddAt(sdigits, input) ;
+ input++ ;
+ }
}
-}
-//____________________________________________________________________________
-
-Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t absId)
- { Int_t chanel ;
- //if(absId <= fEmcCrystals){ //digitize as EMC
- chanel = (Int_t) TMath::Ceil(energy) ;
- //if(chanel > fNADCemc ) chanel = fNADCemc ;
- // }
- return chanel ;
-}
-//____________________________________________________________________________
+ //Find the first tower with signal
+ Int_t nextSig = 200000 ;
+ Int_t i;
+ for(i=0; i<input; i++){
+ sdigits = (TClonesArray *)sdigArray->At(i) ;
+ if ( !sdigits->GetEntriesFast() )
+ continue ;
+ Int_t curNext = ((AliEMCALDigit *)sdigits->At(0))->GetId() ;
+ if(curNext < nextSig)
+ nextSig = curNext ;
+ }
-void AliEMCALDigitizer::WriteDigits(){
+ TArrayI index(input) ;
+ index.Reset() ; //Set all indexes to zero
- // Made TreeD in the output file. Check if branch already exists: if yes, exits
- // without writing: ROOT TTree does not suppert overwriting/updating of the
- // already existing branches. Creates branch with Digits, named "EMCAL", title "...",
- // and branch "AliEMCALDigitizer", with the same title to keep all the parameters
- // and names of files, from which digits are made.
+ AliEMCALDigit * digit ;
+ AliEMCALDigit * curSDigit ;
- gAlice->GetEvent(fIevent->At(0)) ; // Suitable only for One-To-One mixing
- gAlice->SetEvent(fIevent->At(0)) ; // for all-to-all will produce a lot of branches in TreeD
+ TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
- if(gAlice->TreeD()==0)
- gAlice->MakeTree("D") ;
+ //Put Noise contribution
+ for(absID = 1; absID <= nEMC; absID++){
+ Float_t noise = gRandom->Gaus(0., fPinNoise);
+ new((*digits)[absID-1]) AliEMCALDigit( -1, -1, absID,sDigitizer->Digitize(noise), TimeOfNoise() ) ;
+ //look if we have to add signal?
+ digit = (AliEMCALDigit *) digits->At(absID-1) ;
+
+ if(absID==nextSig){
+ //Add SDigits from all inputs
+ ticks->Clear() ;
+ Int_t contrib = 0 ;
+ Float_t a = digit->GetAmp() ;
+ Float_t b = TMath::Abs( a /fTimeSignalLength) ;
+ //Mark the beginnign of the signal
+ new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime(),0, b);
+ //Mark the end of the ignal
+ new((*ticks)[contrib++]) AliEMCALTick(digit->GetTime()+fTimeSignalLength, -a, -b);
+
+ // loop over input
+ for(i = 0; i< input ; i++){ //loop over (possible) merge sources
+ if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
+ curSDigit = (AliEMCALDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;
+ else
+ curSDigit = 0 ;
+ //May be several digits will contribute from the same input
+ while(curSDigit && curSDigit->GetId() == absID){
+ //Shift primary to separate primaries belonging different inputs
+ Int_t primaryoffset ;
+ if(fManager)
+ primaryoffset = fManager->GetMask(i) ;
+ else
+ primaryoffset = i ;
+ curSDigit->ShiftPrimary(primaryoffset) ;
+
+ a = curSDigit->GetAmp() ;
+ b = a /fTimeSignalLength ;
+ new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime(),0, b);
+ new((*ticks)[contrib++]) AliEMCALTick(curSDigit->GetTime()+fTimeSignalLength, -a, -b);
+
+ *digit = *digit + *curSDigit ; //add energies
+
+ index[i]++ ;
+ if(((TClonesArray *)sdigArray->At(i))->GetEntriesFast() > index[i] )
+ curSDigit = (AliEMCALDigit*)((TClonesArray *)sdigArray->At(i))->At(index[i]) ;
+ else
+ curSDigit = 0 ;
+ }
+ }
- //Check, if this branch already exits?
- TBranch * digitsBranch = 0;
- TBranch * digitizerBranch = 0;
-
- TObjArray * branches = gAlice->TreeD()->GetListOfBranches() ;
- Int_t ibranch;
- Bool_t emcalNotFound = kTRUE ;
- Bool_t digitizerNotFound = kTRUE ;
-
- for(ibranch = 0;ibranch <branches->GetEntries();ibranch++){
-
- if(emcalNotFound){
- digitsBranch=(TBranch *) branches->At(ibranch) ;
- if( (strcmp("EMCAL",digitsBranch->GetName())==0 ) &&
- (fDigitsTitle.CompareTo(digitsBranch->GetTitle()) == 0) )
- emcalNotFound = kFALSE ;
- }
- if(digitizerNotFound){
- digitizerBranch = (TBranch *) branches->At(ibranch) ;
- if( (strcmp(digitizerBranch->GetName(),"AliEMCALDigitizer") == 0) &&
- (fDigitsTitle.CompareTo(digitizerBranch->GetTitle()) == 0))
- digitizerNotFound = kFALSE ;
+ //calculate and set time
+ Float_t time = FrontEdgeTime(ticks) ;
+ digit->SetTime(time) ;
+
+ //Find next signal module
+ nextSig = 200000 ;
+ for(i=0; i<input; i++){
+ sdigits = ((TClonesArray *)sdigArray->At(i)) ;
+ Int_t curNext = nextSig ;
+ if(sdigits->GetEntriesFast() > index[i] ){
+ curNext = ((AliEMCALDigit *) sdigits->At(index[i]))->GetId() ;
+
+ }
+ if(curNext < nextSig) nextSig = curNext ;
+ }
}
}
-
- if(!(digitizerNotFound && emcalNotFound)){
- cout << "AliEMCALDigitizer error: " << endl ;
- cout << " can not update/overwrite existing branches "<< endl ;
- cout << " do not write " << endl ;
- return ;
- }
+ ticks->Delete() ;
+ delete ticks ;
- // create new branches
+ delete sdigArray ; //We should not delete its contents
- //First generate file name
- char * file =0;
- if(gSystem->Getenv("CONFIG_SPLIT_FILE")){ //generating file name
- file = new char[strlen(gAlice->GetBaseFile())+20] ;
- sprintf(file,"%s/EMCAL.Digits.root",gAlice->GetBaseFile()) ;
+ //remove digits below thresholds
+ for(absID = 0; absID < nEMC/2 ; absID++){
+ digit = dynamic_cast<AliEMCALDigit*>( digits->At(absID) ) ;
+ if(sDigitizer->Calibrate( digit->GetAmp() ) < fTowerDigitThreshold)
+ digits->RemoveAt(absID) ;
+ else
+ digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
}
- TDirectory *cwd = gDirectory;
-
- //First create list of sdigits
- Int_t bufferSize = 32000 ;
- digitsBranch = gAlice->TreeD()->Branch("EMCAL",&fDigits,bufferSize);
- digitsBranch->SetTitle(fDigitsTitle.Data());
- if (file) {
- digitsBranch->SetFile(file);
- TIter next( digitsBranch->GetListOfBranches());
- TBranch * sbr ;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
- //second - create Digitizer
- Int_t splitlevel = 0 ;
- AliEMCALDigitizer * d = this ;
- digitizerBranch = gAlice->TreeD()->Branch("AliEMCALDigitizer","AliEMCALDigitizer",
- &d,bufferSize,splitlevel);
- digitizerBranch->SetTitle(fDigitsTitle.Data());
- if (file) {
- digitizerBranch->SetFile(file);
- TIter next( digitizerBranch->GetListOfBranches());
- TBranch * sbr;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
-
- digitsBranch->Fill() ;
- digitizerBranch->Fill() ;
+ for(absID = nEMC/2; absID < nEMC ; absID++){
+ digit = dynamic_cast<AliEMCALDigit*>( digits->At(absID) ) ;
+ if(sDigitizer->Calibrate( digit->GetAmp() ) < fPreShowerDigitThreshold)
+ digits->RemoveAt(absID) ;
+ else
+ digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
+ }
- gAlice->TreeD()->Write(0,kOverwrite) ;
-
- //remove fSDigitizer before new event.
- if(fSDigitizer){
- delete fSDigitizer ;
- fSDigitizer = 0 ;
+ digits->Compress() ;
+
+ Int_t ndigits = digits->GetEntriesFast() ;
+ digits->Expand(ndigits) ;
+
+ //Set indexes in list of digits
+ for (i = 0 ; i < ndigits ; i++) {
+ digit = dynamic_cast<AliEMCALDigit *>( digits->At(i) ) ;
+ digit->SetIndexInList(i) ;
+ Float_t energy = sDigitizer->Calibrate(digit->GetAmp()) ;
+ digit->SetAmp(DigitizeEnergy(energy,digit->GetId()) ) ;
}
+}
+//____________________________________________________________________________
+Int_t AliEMCALDigitizer::DigitizeEnergy(Float_t energy, Int_t absId)
+{
+ Int_t channel = -999;
+ Int_t nphi = AliEMCALGetter::GetInstance()->EMCALGeometry()->GetNPhi() ;
+ Int_t nz = AliEMCALGetter::GetInstance()->EMCALGeometry()->GetNZ() ;
+
+ if(absId <= nphi*nz){ //digitize as tower
+ channel = static_cast<Int_t> (TMath::Ceil( (energy + fADCpedestalTower)/fADCchannelTower )) ;
+ if(channel > fNADCTower )
+ channel = fNADCTower ;
+ } else {
+ channel = static_cast<Int_t>(TMath::Ceil( (energy + fADCpedestalPreSho)/fADCchannelPreSho )) ;
+ if(channel > fNADCPreSho )
+ channel = fNADCPreSho ;
+ }
+
+ return channel ;
}
//____________________________________________________________________________
-void AliEMCALDigitizer::Exec(Option_t *option) {
+void AliEMCALDigitizer::Exec(Option_t *option)
+{
// Managing method
- if(!fInitialized) Init() ;
-
+ if(strcmp(GetName(), "") == 0 )
+ Init() ;
+ if (strstr(option,"print")) {
+ Print("");
+ return ;
+ }
+
if(strstr(option,"tim"))
gBenchmark->Start("EMCALDigitizer");
- //reset events numbers to start from the beginnig
- Reset() ;
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
+
+ Int_t nevents ;
+
+ TTree * treeD ;
- while(Combinator()){
+ if(fManager){
+ treeD = fManager->GetTreeD() ;
+ nevents = 1 ; // Will process only one event
+
+ //Check, if this branch already exits
+ if (treeD) {
+ TObjArray * lob = (TObjArray*)treeD->GetListOfBranches() ;
+ TIter next(lob) ;
+ TBranch * branch = 0 ;
+ Bool_t emcalfound = kFALSE, digitizerfound = kFALSE ;
+
+ while ( (branch = (TBranch*)next()) && (!emcalfound || !digitizerfound) ) {
+ if ( (strcmp(branch->GetName(), "EMCAL")==0) &&
+ (strcmp(branch->GetTitle(), GetName())==0) )
+ emcalfound = kTRUE ;
+
+ else if ( (strcmp(branch->GetName(), "AliEMCALDigitizer")==0) &&
+ (strcmp(branch->GetTitle(), GetName())==0) )
+ digitizerfound = kTRUE ;
+ }
+
+ if ( emcalfound ) {
+ cerr << "WARNING: AliEMCALDigitizer -> Digits branch with name " << GetName()
+ << " already exits" << endl ;
+ return ;
+ }
+ if ( digitizerfound ) {
+ cerr << "WARNING: AliEMCALDigitizer -> Digitizer branch with name " << GetName()
+ << " already exits" << endl ;
+ return ;
+ }
+ }
+ }
+ else { //EMCAL standalone
+ if(gime->BranchExists("Digits") )
+ return ;
+ nevents=gime->MaxEvent() ;
+ }
+
+ Int_t ievent ;
+
+ for(ievent = 0; ievent < nevents; ievent++){
+
+ if(fManager){
+
+ Int_t input ;
+ for(input = 0 ; input < fManager->GetNinputs(); input ++){
+ TTree * treeS = fManager->GetInputTreeS(input) ;
+ if(!treeS){
+ cerr << "AliEMCALDigitizer -> No Input " << endl ;
+ return ;
+ }
+ gime->ReadTreeS(treeS,input) ;
+ }
+
+ }
+ else
+ gime->Event(ievent,"S") ;
- if(!ReadSDigits()) //read sdigits event(s) evaluated by Combinator() from file(s)
- return ;
+ Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
- Digitize(option) ; //Add prepared SDigits to digits and add the noise
- WriteDigits() ;
+ WriteDigits(ievent) ;
if(strstr(option,"deb"))
PrintDigits(option);
-
+
+ //increment the total number of Digits per run
+ fDigitsInRun += gime->Digits()->GetEntriesFast() ;
}
-
+
if(strstr(option,"tim")){
gBenchmark->Stop("EMCALDigitizer");
cout << "AliEMCALDigitizer:" << endl ;
- cout << " took " << gBenchmark->GetCpuTime("EMCALDigitizer") << " seconds for SDigitizing "
- << gBenchmark->GetCpuTime("EMCALDigitizer")/(fIeventMax->At(0)) << " seconds per event " << endl ;
+ cout << " took " << gBenchmark->GetCpuTime("EMCALDigitizer") << " seconds for Digitizing "
+ << gBenchmark->GetCpuTime("EMCALDigitizer")/nevents << " seconds per event " << endl ;
cout << endl ;
}
}
-//__________________________________________________________________
-Bool_t AliEMCALDigitizer::ReadSDigits(){
-// Reads summable digits from the opened files for the particular set of events given by fIevent
-
- if(!fInitialized) Init() ;
-
-
- Int_t inputs ;
- for(inputs = fNinputs-1; inputs >= 0; inputs --){
-
- Int_t event = fIevent->At(inputs) ;
-
- TFile * file = (TFile*) gROOT->GetFile(((TObjString *) fHeaderFiles->At(inputs))->GetString() ) ;
- file->cd() ;
-
- // Get SDigits Tree header from file
- char treeName[20];
- sprintf(treeName,"TreeS%d",event);
- TTree * treeS = (TTree*)file->Get(treeName);
-
- if(treeS==0){
- cout << "Error at AliEMCALDigitizer: no "<<treeName << " in file " << file->GetName() << endl ;
- cout << "Do nothing " << endl ;
- return kFALSE ;
- }
+//____________________________________________________________________________
+Float_t AliEMCALDigitizer::FrontEdgeTime(TClonesArray * ticks)
+{ //
+ ticks->Sort() ; //Sort in accordance with times of ticks
+ TIter it(ticks) ;
+ AliEMCALTick * ctick = (AliEMCALTick *) it.Next() ;
+ Float_t time = ctick->CrossingTime(fTimeThreshold) ;
+
+ AliEMCALTick * t ;
+ while((t=(AliEMCALTick*) it.Next())){
+ if(t->GetTime() < time) //This tick starts before crossing
+ *ctick+=*t ;
+ else
+ return time ;
+
+ time = ctick->CrossingTime(fTimeThreshold) ;
+ }
+ return time ;
+}
- TBranch * sdigitsBranch = 0;
- TBranch * sdigitizerBranch = 0;
+//____________________________________________________________________________
+Bool_t AliEMCALDigitizer::Init()
+{
+ // Makes all memory allocations
- TObjArray * branches = treeS->GetListOfBranches() ;
- Int_t ibranch;
- Bool_t emcalNotFound = kTRUE ;
- Bool_t sdigitizerNotFound = kTRUE ;
+ if( strcmp(GetTitle(), "") == 0 )
+ SetTitle("galice.root") ;
- for(ibranch = 0;ibranch <branches->GetEntries();ibranch++){
-
- if(emcalNotFound){
- sdigitsBranch=(TBranch *) branches->At(ibranch) ;
- if(( strcmp("EMCAL",sdigitsBranch->GetName())==0 ) &&
- ((TObjString*) fSDigitsTitles->At(inputs))->GetString().CompareTo(sdigitsBranch->GetTitle())== 0 )
- emcalNotFound = kFALSE ;
-
- }
-
- if(sdigitizerNotFound){
- sdigitizerBranch = (TBranch *) branches->At(ibranch) ;
- if(( strcmp(sdigitizerBranch->GetName(),"AliEMCALSDigitizer") == 0) &&
- ((TObjString*) fSDigitsTitles->At(inputs))->GetString().CompareTo(sdigitizerBranch->GetTitle())== 0 )
- sdigitizerNotFound = kFALSE ;
-
- }
- }
-
- if(sdigitizerNotFound || emcalNotFound){
- cout << "Can't find Branch with sdigits or SDigitizer in the file " ;
- if( ((TObjString*)fSDigitsTitles->At(inputs))->GetString().IsNull() )
- cout << file->GetName() << endl ;
- else
- cout << ((TObjString*)fSDigitsTitles->At(inputs))->GetString().Data() << endl ;
- cout << "Do nothing" <<endl ;
- return kFALSE ;
- }
-
- TClonesArray * sdigits = (TClonesArray*) fSDigits->At(inputs) ;
- sdigitsBranch->SetAddress(&sdigits) ;
-
- AliEMCALSDigitizer *sDigitizer = new AliEMCALSDigitizer();
- sdigitizerBranch->SetAddress(&sDigitizer) ;
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), GetName(), fToSplit) ;
+ if ( gime == 0 ) {
+ cerr << "ERROR: AliEMCALDigitizer::Init -> Could not obtain the Getter object !" << endl ;
+ return kFALSE;
+ }
+
+ //const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
- sdigitsBranch->GetEntry(0) ;
- sdigitizerBranch->GetEntry(0) ;
-
- if(fSDigitizer == 0)
- fSDigitizer = sDigitizer ;
+ //fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ;
+
+ // Post Digits to the white board
+ gime->PostDigits(GetName() ) ;
+
+ // Post Digitizer to the white board
+ gime->PostDigitizer(this) ;
+
+ fSplitFile = 0 ;
+ if(fToSplit){
+ // construct the name of the file as /path/EMCAL.SDigits.root
+ //First - extract full path if necessary
+ TString digitsFileName(GetTitle()) ;
+ Ssiz_t islash = digitsFileName.Last('/') ;
+ if(islash<digitsFileName.Length())
+ digitsFileName.Remove(islash+1,digitsFileName.Length()) ;
else
- if(!((*fSDigitizer)==(*sDigitizer)) ){
- cout << "AliEMCALDigitizer ERROR:" << endl ;
- cout << " you are using sdigits made with different SDigitizers" << endl ;
- cout << "fSD " << fSDigitizer << " SD" << sDigitizer << endl ;
- fSDigitizer->Print("") ;
- sDigitizer->Print("") ;
- cout << "Do Nothing " << endl ;
- return kFALSE ;
- }
-
+ digitsFileName="" ;
+ // Next - append the file name
+ digitsFileName+="EMCAL.Digits." ;
+ if((strcmp(GetName(),"Default")!=0)&&(strcmp(GetName(),"")!=0)){
+ digitsFileName+=GetName() ;
+ digitsFileName+="." ;
+ }
+ digitsFileName+="root" ;
+ // Finally - check if the file already opened or open the file
+ fSplitFile = static_cast<TFile*>(gROOT->GetFile(digitsFileName.Data()));
+ if(!fSplitFile)
+ fSplitFile = TFile::Open(digitsFileName.Data(),"update") ;
}
- fPedestal = fSDigitizer->GetPedestalParameter() ;
- fSlope = fSDigitizer->GetCalibrationParameter() ;
- return kTRUE ;
+ //Mark that we will use current header file
+ if(!fManager){
+ gime->PostSDigits(GetName(),GetTitle()) ;
+ gime->PostSDigitizer(GetName(),GetTitle()) ;
+ }
+ return kTRUE ;
+}
+//____________________________________________________________________________
+void AliEMCALDigitizer::InitParameters()
+{
+ fPinNoise = 0.00001 ;
+ fTowerDigitThreshold = 0.001 ;
+ fTimeResolution = 0.5e-9 ;
+ fTimeSignalLength = 1.0e-9 ;
+ fPreShowerDigitThreshold = fTowerDigitThreshold/25. ;
+ fADCchannelTower = 0.000220; // width of one ADC channel in GeV
+ fADCpedestalTower = 0.005 ; // GeV
+ fNADCTower = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC
+
+ fADCchannelPreSho = 0.0000300; // width of one ADC channel in Pre Shower
+ fADCpedestalPreSho = 0.005 ; //
+ fNADCPreSho = (Int_t) TMath::Power(2,12); // number of channels in Pre ShowerADC
+
+ fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude
+
}
+
//__________________________________________________________________
-void AliEMCALDigitizer::MixWith(char* HeaderFile, char* sDigitsTitle){
- // Alows produce digits by superimposing background and signal event.
+void AliEMCALDigitizer::MixWith(char* headerFile)
+{
+ // Allows to produce digits by superimposing background and signal event.
// It is assumed, that headers file with SIGNAL events is opened in
- // constructor, and now we set the BACKGROUND event, with which we
- // will mix. Thus we avoid writing (changing) huge and expencive
+ // the constructor.
+ // Sets the BACKGROUND event, with which the SIGNAL event is to be mixed
+ // Thus we avoid writing (changing) huge and expensive
// backgound files: all output will be writen into SIGNAL, i.e.
// opened in constructor file.
//
- // One can open as many files to mix with as one wants.
-
+ // One can open as many files to mix with as one needs.
+ // However only Sdigits with the same name (i.e. constructed with the same SDigitizer)
+ // can be mixed.
- if(!fInitialized)
+ if( strcmp(GetName(), "") == 0 )
Init() ;
+
+ if(fManager){
+ cout << "Can not use this method under AliRunDigitizer " << endl ;
+ return ;
+ }
+
+ // check if the specified SDigits do not already exist on the White Board:
+ // //Folders/RunMC/Event/Data/EMCAL/SDigits/headerFile/sdigitsname
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
+ TString path = gime->SDigitsFolder()->GetName() ;
- if(HeaderFile == 0){
- cout << "Specify at least header file to merge"<< endl ;
- return ;
+ // before it was ???? "Folders/RunMC/Event/Data/EMCAL/SDigits" ;
+ path += headerFile ;
+ path += "/" ;
+ path += GetName() ;
+ if ( gROOT->FindObjectAny(path.Data()) ) {
+ cerr << "WARNING: AliEMCALDigitizer::MixWith -> Entry already exists, do not add" << endl ;
+ return;
}
+
+ gime->PostSDigits(GetName(),headerFile) ;
- Int_t inputs ;
- for(inputs = 0; inputs < fNinputs ; inputs++){
- if(strcmp(((TObjString *)fHeaderFiles->At(inputs))->GetString(),HeaderFile) == 0 ){
- if(sDigitsTitle == 0){
- if(((TObjString*)fSDigitsTitles->At(inputs))->GetString().CompareTo("") == 0){
- cout << "Entry already exists, do not add" << endl ;
- return ;
- }
- }
- else
- if(((TObjString*)fSDigitsTitles->At(inputs))->GetString().CompareTo(sDigitsTitle)){
- cout << "Entry already exists, do not add" << endl ;
- return;
- }
- }
- }
-
- fHeaderFiles->Expand(fNinputs+1) ;
- new((*fHeaderFiles)[fNinputs]) TObjString(HeaderFile) ;
-
-
- TFile * file = new TFile(((TObjString *) fHeaderFiles->At(fNinputs))->GetString()) ;
-
- file->cd() ;
-
- fSDigitsTitles->Expand(fNinputs+1) ;
- new((*fSDigitsTitles)[fNinputs]) TObjString(sDigitsTitle) ;
-
- fSDigits->Expand(fNinputs+1) ;
- new((*fSDigits)[fNinputs]) TClonesArray("AliEMCALDigit",1000) ;
-
- fIevent->Set(fNinputs+1) ;
- fIevent->AddAt(-1, fNinputs) ;
-
- fIeventMax->Set(fNinputs+1) ;
-
- TTree * te = (TTree *) file->Get("TE") ;
- fIeventMax->AddAt((Int_t) te->GetEntries(), fNinputs );
-
- fNinputs++ ;
+ // check if the requested file is already open or exist and if SDigits Branch exist
+ TFile * file = (TFile*)gROOT->FindObject(headerFile);
+ if ( !file ) {
+ file = new TFile(headerFile, "READ") ;
+ if (!file) {
+ cerr << "ERROR: AliEMCALDigitizer::MixWith -> File " << headerFile << " does not exist!" << endl ;
+ return ;
+ }
+ }
}
+
//__________________________________________________________________
void AliEMCALDigitizer::Print(Option_t* option)const {
-
- if(fInitialized){
+
+ if( strcmp(GetName(), "") != 0) {
cout << "------------------- "<< GetName() << " -------------" << endl ;
- cout << "Digitizing sDigits from file(s): " <<endl ;
- Int_t input ;
- for(input = 0; input < fNinputs ; input++) {
- cout << " " << ((TObjString *) fHeaderFiles->At(input))->GetString() <<
- " Branch title:" << ((TObjString *) fSDigitsTitles->At(input))->GetString() << endl ;
- }
- cout << endl ;
- cout << "Writing digits to " << ((TObjString *) fHeaderFiles->At(0))->GetString() << endl ;
-
+ const Int_t nStreams = GetNInputStreams() ;
+ if (nStreams) {
+ Int_t index = 0 ;
+ for (index = 0 ; index < nStreams ; index++)
+ cout << "Adding SDigits " << GetName() << " from " << fManager->GetInputFileName(index, 0) << endl ;
+
+ cout << endl ;
+ cout << "Writing digits to " << fManager->GetInputFileName(0, 0) << endl ;
+ } else {
+// AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
+// gime->Folder("sdigits") ;
+// cout << "Digitizing sDigits from file(s): " <<endl ;
+// TCollection * folderslist = gime->Folder("sdigits")->GetListOfFolders() ;
+// TIter next(folderslist) ;
+// TFolder * folder = 0 ;
+
+// while ( (folder = (TFolder*)next()) ) {
+// if ( folder->FindObject(GetName()) )
+// cout << "Adding SDigits " << GetName() << " from " << GetSDigitsFileName() << endl ;
+// }
+ cout << endl ;
+ cout << "Writing digits to " << GetTitle() << endl ;
+ }
cout << endl ;
cout << "With following parameters: " << endl ;
cout << " Electronics noise in EMC (fPinNoise) = " << fPinNoise << endl ;
- cout << " Threshold in EMC (fEMCDigitThreshold) = " << fEMCDigitThreshold << endl ; ;
+ cout << " Threshold in EMC (fTowerDigitThreshold) = " << fTowerDigitThreshold << endl;
+ cout << " Threshold in PreShower (fPreShowerDigitThreshold) = " << fPreShowerDigitThreshold << endl ; ;
cout << "---------------------------------------------------" << endl ;
}
else
cout << "AliEMCALDigitizer not initialized " << endl ;
-
}
+
//__________________________________________________________________
void AliEMCALDigitizer::PrintDigits(Option_t * option){
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
+ TClonesArray * fDigits = gime->Digits() ;
+
cout << "AliEMCALDigitiser:"<< endl ;
cout << " Number of entries in Digits list " << fDigits->GetEntriesFast() << endl ;
cout << endl ;
}
}
-//__________________________________________________________________
-void AliEMCALDigitizer::SetSDigitsBranch(const char* title){
- // we set title (comment) of the SDigits branch in the first! header file
- if(!fInitialized) Init() ;
- ((TObjString*) fSDigitsTitles->At(0) )->SetString((char*)title) ;
+//__________________________________________________________________
+Float_t AliEMCALDigitizer::TimeOfNoise(void)
+{ // Calculates the time signal generated by noise
+ //to be rewritten, now returns just big number
+ return 1. ;
}
-//__________________________________________________________________
-void AliEMCALDigitizer::SetDigitsBranch(const char* title){
- //Sets the title (comment) of the branch to which Digits branch
- if(!fInitialized) Init() ;
-
- fDigitsTitle = title ;
+//_________________________________________________________________________________________
+void AliEMCALDigitizer::WriteDigits(Int_t event)
+{
+
+ // Makes TreeD in the output file.
+ // Check if branch already exists:
+ // if yes, exit without writing: ROOT TTree does not support overwriting/updating of
+ // already existing branches.
+ // else creates branch with Digits, named "EMCAL", title "...",
+ // and branch "AliEMCALDigitizer", with the same title to keep all the parameters
+ // and names of files, from which digits are made.
+
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
+ const TClonesArray * digits = gime->Digits(GetName()) ;
+ TTree * treeD ;
+
+ if(fManager)
+ treeD = fManager->GetTreeD() ;
+ else {
+ if ((gAlice->TreeD() == 0) || (fSplitFile)) // we should not create TreeD if it is already here
+ gAlice->MakeTree("D", fSplitFile); // We overwrite TreeD in split file in the case of second reconstruction
+ if(fSplitFile)
+ fSplitFile->cd() ;
+ treeD = gAlice->TreeD();
+ }
+
+ // -- create Digits branch
+ Int_t bufferSize = 32000 ;
+ TBranch * digitsBranch = treeD->Branch("EMCAL",&digits,bufferSize);
+ digitsBranch->SetTitle(GetName());
+
+ // -- Create Digitizer branch
+ Int_t splitlevel = 0 ;
+ const AliEMCALDigitizer * d = gime->Digitizer(GetName()) ;
+ TBranch * digitizerBranch = treeD->Branch("AliEMCALDigitizer", "AliEMCALDigitizer", &d,bufferSize,splitlevel);
+ digitizerBranch->SetTitle(GetName());
+
+ digitsBranch->Fill() ;
+ digitizerBranch->Fill() ;
+ treeD->AutoSave() ;
+
}
+