//
//*-- Author: Sahal Yacoob (LBL)
// 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>
+#include <Riostream.h>
// --- AliRoot header files ---
-
#include "AliRun.h"
+#include "AliHeader.h"
+#include "AliStream.h"
+#include "AliRunDigitizer.h"
#include "AliEMCALDigit.h"
-#include "AliEMCALHit.h"
-#include "AliEMCALTick.h"
-#include "AliEMCALv1.h"
+#include "AliEMCAL.h"
+#include "AliEMCALGetter.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCALSDigitizer.h"
#include "AliEMCALGeometry.h"
-#include "AliEMCALGetter.h"
-#include "AliRunDigitizer.h"
+#include "AliEMCALTick.h"
+
ClassImp(AliEMCALDigitizer)
AliEMCALDigitizer::AliEMCALDigitizer()
{
// ctor
-
- fSDigitizer = 0 ;
- fNinputs = 1 ;
- fPinNoise = 0.01 ;
- fEMCDigitThreshold = 0.01 ;
- fTimeResolution = 0.5e-9 ;
- fTimeSignalLength = 1.0e-9 ;
- fPreShowerDigitThreshold = fEMCDigitThreshold/100. ;
- fADCchannelTower = 0.0030; // width of one ADC channel in GeV
- fADCpedestalTower = 0.005 ; // pedestal of ADC
- fNADCTower = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC
-
- fADCchannelPreSho = 0.0030 ; // width of one ADC channel in Pre Shower
- fADCpedestalPreSho = 0.005 ; // pedestal of ADC
- fNADCPreSho = (Int_t) TMath::Power(2,16); // number of channels in Pre Shower ADC
- fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude
- fManager = 0 ;
-
-
-
-}
-//____________________________________________________________________________
-Bool_t AliEMCALDigitizer::Init()
-{
- // Makes all memory allocations
-
- fSDigitizer = 0 ;
- fNinputs = 1 ;
- fPinNoise = 0.01 ;
- fEMCDigitThreshold = 0.01 ;
- fTimeResolution = 0.5e-9 ;
- fTimeSignalLength = 1.0e-9 ;
- fPreShowerDigitThreshold = fEMCDigitThreshold/100. ;
- fInitialized = kFALSE ;
- fADCchannelTower = 0.0030; // width of one ADC channel in GeV
- fADCpedestalTower = 0.005 ; //
- fNADCTower = (Int_t) TMath::Power(2,16) ; // number of channels in Tower ADC
-
- fADCchannelPreSho = 0.0030 ; // width of one ADC channel in Pre Shower
- fADCpedestalPreSho = 0.005 ; //
- fNADCPreSho = (Int_t) TMath::Power(2,16); // number of channels in Pre ShowerADC
-
- fTimeThreshold = 0.001*10000000 ; //Means 1 MeV in terms of SDigits amplitude
-
-
-
-if(fManager)
- SetTitle("aliroot") ;
- else if (strcmp(GetTitle(),"")==0)
- SetTitle("galice.root") ;
-
- if( strcmp(GetName(), "") == 0 )
- SetName("Default") ;
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), GetName(), "update") ;
- if ( gime == 0 ) {
- cerr << "ERROR: AliEMCALDigitizer::Init -> Could not obtain the Getter object !" << endl ;
- return kFALSE;
- }
-
- //const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
- //fEmcCrystals = geom->GetNModules() * geom->GetNCristalsInModule() ;
-
- // Post Digits to the white board
- gime->PostDigits(GetName() ) ;
-
- // Post Digitizer to the white board
- gime->PostDigitizer(this) ;
-
- //Mark that we will use current header file
- if(!fManager){
- gime->PostSDigits(GetName(),GetTitle()) ;
- gime->PostSDigitizer(GetName(),GetTitle()) ;
- }
- return kTRUE ;
-
+ InitParameters() ;
+ fDefaultInit = kTRUE ;
+ fManager = 0 ; // We work in the standalong mode
-
}
//____________________________________________________________________________
-AliEMCALDigitizer::AliEMCALDigitizer(const char *headerFile,const char *name)
+AliEMCALDigitizer::AliEMCALDigitizer(const char *headerFile, const char *name, const Bool_t toSplit)
{
- SetName(name) ;
+ // ctor
+
SetTitle(headerFile) ;
+ SetName(name) ;
fManager = 0 ; // We work in the standalong mode
+ fSplitFile= 0 ;
+ InitParameters() ;
+ fToSplit = toSplit ;
Init() ;
-
-
-
+ fDefaultInit = kFALSE ;
}
+
//____________________________________________________________________________
AliEMCALDigitizer::AliEMCALDigitizer(AliRunDigitizer * ard):AliDigitizer(ard)
{
// ctor
- SetName(""); //Will call init in the digitizing
- SetTitle("aliroot") ;
+ SetTitle(ard->GetInputFileName(0,0)) ;
+ InitParameters() ;
+ fDefaultInit = kFALSE ;
+ fSplitFile = 0 ;
+
+ if (ard->GetOutputFile()) {
+ SetName(ard->GetOutputFile().Data());
+ fToSplit = kTRUE ;
+ } else {
+ SetName("Default") ;
+ fToSplit = kFALSE ;
+ }
}
//____________________________________________________________________________
{
// dtor
-}
-//____________________________________________________________________________
-void AliEMCALDigitizer::Reset() {
- //sets current event number to the first simulated event
-if( strcmp(GetName(), "") == 0 )
- Init() ;
-
- // Int_t inputs ;
- // for(inputs = 0; inputs < fNinputs ;inputs++)
- // fIevent->AddAt(-1, inputs ) ;
-
+ fSplitFile = 0 ;
}
//____________________________________________________________________________
-void AliEMCALDigitizer::Digitize(const Int_t event) {
+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
digits->Clear() ;
- const AliEMCALGeometry *geom = gime->EMCALGeometry() ;
-
-
+ 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() ;
TClonesArray * sdigits = 0 ;
Int_t input = 0 ;
TObjArray * sdigArray = new TObjArray(2) ;
- while ( (folder = (TFolder*)next()) )
+ while ( (folder = (TFolder*)next()) ) {
if ( (sdigits = (TClonesArray*)folder->FindObject(GetName()) ) ) {
- cout << "INFO: AliEMCALDigitizer::Digitize -> Adding SDigits "
- << GetName() << " from " << folder->GetName() << endl ;
+ TString fileName(folder->GetName()) ;
+ fileName.ReplaceAll("_","/") ;
+ // cout << "INFO: AliEMCALDigitizer::Digitize -> Adding SDigits "
+ // << GetName() << " from " << fileName << endl ;
sdigArray->AddAt(sdigits, input) ;
input++ ;
}
+ }
- //Find the first crystall with signal
+ //Find the first tower with signal
Int_t nextSig = 200000 ;
Int_t i;
for(i=0; i<input; i++){
TArrayI index(input) ;
index.Reset() ; //Set all indexes to zero
- AliEMCALDigit * digit = 0 ;
- AliEMCALDigit * curSDigit = 0 ;
+ AliEMCALDigit * digit ;
+ AliEMCALDigit * curSDigit ;
TClonesArray * ticks = new TClonesArray("AliEMCALTick",1000) ;
//Put Noise contribution
for(absID = 1; absID <= nEMC; absID++){
- Float_t noise = gRandom->Gaus(0., fPinNoise) ;
+ 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
- digit = (AliEMCALDigit *) digits->At(absID-1) ;
-
+ //Add SDigits from all inputs
ticks->Clear() ;
Int_t contrib = 0 ;
Float_t a = digit->GetAmp() ;
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]) ;
}
}
-//calculate and set time
+ //calculate and set time
Float_t time = FrontEdgeTime(ticks) ;
digit->SetTime(time) ;
ticks->Delete() ;
delete ticks ;
-
-
+ delete sdigArray ; //We should not delete its contents
//remove digits below thresholds
for(absID = 0; absID < nEMC/2 ; absID++){
- if(sDigitizer->Calibrate(((AliEMCALDigit*)digits->At(absID))->GetAmp()) < fEMCDigitThreshold)
+ digit = dynamic_cast<AliEMCALDigit*>( digits->At(absID) ) ;
+ if(sDigitizer->Calibrate( digit->GetAmp() ) < fTowerDigitThreshold)
digits->RemoveAt(absID) ;
else
digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
}
- for(absID = nEMC/2; absID < nEMC ; absID++){
- if(sDigitizer->Calibrate(((AliEMCALDigit*)digits->At(absID))->GetAmp()) < fPreShowerDigitThreshold)
- digits->RemoveAt(absID) ;
- else
- digit->SetTime(gRandom->Gaus(digit->GetTime(),fTimeResolution) ) ;
- }
+
+ 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) ) ;
+ }
digits->Compress() ;
- Int_t ndigits = digits->GetEntriesFast() ;
-
+ Int_t ndigits = digits->GetEntriesFast() ;
digits->Expand(ndigits) ;
-
//Set indexes in list of digits
- //Int_t i ;
for (i = 0 ; i < ndigits ; i++) {
- AliEMCALDigit * digit = (AliEMCALDigit *) digits->At(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 nphi = AliEMCALGetter::GetInstance()->EMCALGeometry()->GetNPhi() ;
Int_t nz = AliEMCALGetter::GetInstance()->EMCALGeometry()->GetNZ() ;
- if(absId <= nphi*nz) //digitize as tower
- channel = (Int_t) TMath::Ceil( (energy - fADCpedestalTower)/fADCchannelTower ) ;
- if(channel > fNADCTower ) channel = fNADCTower ;
- else
- channel = (Int_t) TMath::Ceil( (energy - fADCpedestalPreSho)/fADCchannelPreSho ) ;
- if(channel > fNADCPreSho ) channel = fNADCPreSho ;
+ 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(strcmp(GetName(), "") == 0 )
+
+ if(strcmp(GetName(), "") == 0 )
Init() ;
-
if (strstr(option,"print")) {
Print("");
return ;
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 {
- gAlice->GetEvent(0) ;
- nevents = (Int_t) gAlice->TreeE()->GetEntries() ;
- treeD=gAlice->TreeD() ;
- }
- if(treeD == 0 ){
- cerr << " AliEMCALDigitizer :: Can not find TreeD " << endl ;
- return ;
+ else { //EMCAL standalone
+ if(gime->BranchExists("Digits") )
+ return ;
+ nevents=gime->MaxEvent() ;
}
-
- //Check, if this branch already exits
- 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 ;
- }
-
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) ;
}
gime->ReadTreeS(treeS,input) ;
}
+
}
- else
- gime->Event(ievent,"S") ;
+ else
+ gime->Event(ievent,"S") ;
Digitize(ievent) ; //Add prepared SDigits to digits and add the noise
}
+//____________________________________________________________________________
+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 ;
+}
+
+//____________________________________________________________________________
+Bool_t AliEMCALDigitizer::Init()
+{
+ // Makes all memory allocations
+
+ if( strcmp(GetTitle(), "") == 0 )
+ SetTitle("galice.root") ;
+
+ 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() ;
+
+ //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
+ 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") ;
+ }
+
+ //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){
- // 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( strcmp(GetName(), "") == 0 )
+ if( strcmp(GetName(), "") == 0 )
Init() ;
- if(fManager){
+ 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:
+ }
+
+ // check if the specified SDigits do not already exist on the White Board:
// //Folders/RunMC/Event/Data/EMCAL/SDigits/headerFile/sdigitsname
- TString path = "Folders/RunMC/Event/Data/EMCAL/SDigits" ;
+ AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
+ TString path = gime->SDigitsFolder()->GetName() ;
+
+ // before it was ???? "Folders/RunMC/Event/Data/EMCAL/SDigits" ;
path += headerFile ;
path += "/" ;
path += GetName() ;
return;
}
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
gime->PostSDigits(GetName(),headerFile) ;
// check if the requested file is already open or exist and if SDigits Branch exist
}
}
-
+
//__________________________________________________________________
void AliEMCALDigitizer::Print(Option_t* option)const {
+
if( strcmp(GetName(), "") != 0) {
cout << "------------------- "<< GetName() << " -------------" << endl ;
- cout << "Digitizing sDigits from file(s): " <<endl ;
-
- TCollection * folderslist = ((TFolder*)gROOT->FindObjectAny("Folders/RunMC/Event/Data/EMCAL/SDigits"))->GetListOfFolders() ;
- TIter next(folderslist) ;
- TFolder * folder = 0 ;
- while ( (folder = (TFolder*)next()) )
- if ( folder->FindObject(GetName()) )
- {
- cout << "Adding SDigits " << GetName() << " from " << folder->GetName() << 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 " << GetTitle() << 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 << "With following parameters: " << endl ;
- cout << " Electronics noise in EMC (fPinNoise) = " << fPinNoise << endl ;
- cout << " Threshold in EMC (fEMCDigitThreshold) = " << fEMCDigitThreshold << endl;
- cout << " Threshold in PreShower (fPreShowerDigitThreshold) = " << fPreShowerDigitThreshold << endl ; ;
- cout << "---------------------------------------------------" << endl ;
- }
- else
- cout << "AliEMCALDigitizer not initialized " << 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 (fTowerDigitThreshold) = " << fTowerDigitThreshold << endl;
+ cout << " Threshold in PreShower (fPreShowerDigitThreshold) = " << fPreShowerDigitThreshold << endl ; ;
+ cout << "---------------------------------------------------" << endl ;
+ }
+ else
+ cout << "AliEMCALDigitizer not initialized " << endl ;
}
//__________________________________________________________________
}
}
+
+//__________________________________________________________________
+Float_t AliEMCALDigitizer::TimeOfNoise(void)
+{ // Calculates the time signal generated by noise
+ //to be rewritten, now returns just big number
+ return 1. ;
+
+}
+
//_________________________________________________________________________________________
void AliEMCALDigitizer::WriteDigits(Int_t event)
{
const TClonesArray * digits = gime->Digits(GetName()) ;
TTree * treeD ;
- if(fManager)
- treeD = fManager->GetTreeD() ;
- else
- treeD = gAlice->TreeD();
-
- // create new branches
- // -- generate file name if necessary
- 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()) ;
- }
-
- TDirectory *cwd = gDirectory;
- // -- create Digits branch
- Int_t bufferSize = 32000 ;
- TBranch * digitsBranch = treeD->Branch("EMCAL",&digits,bufferSize);
- digitsBranch->SetTitle(GetName());
- if (file) {
- digitsBranch->SetFile(file);
- TIter next( digitsBranch->GetListOfBranches());
- TBranch * sbr ;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
-
- // -- Create Digitizer branch
- Int_t splitlevel = 0 ;
- AliEMCALDigitizer * d = gime->Digitizer(GetName()) ;
- TBranch * digitizerBranch = treeD->Branch("AliEMCALDigitizer", "AliEMCALDigitizer", &d,bufferSize,splitlevel);
- digitizerBranch->SetTitle(GetName());
- if (file) {
- digitizerBranch->SetFile(file);
- TIter next( digitizerBranch->GetListOfBranches());
- TBranch * sbr;
- while ((sbr=(TBranch*)next())) {
- sbr->SetFile(file);
- }
- cwd->cd();
- }
-
- digitsBranch->Fill() ;
- digitizerBranch->Fill() ;
-
- treeD->Write(0,kOverwrite) ;
+ 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() ;
}
-//____________________________________________________________________________
-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 ;
-}
-//____________________________________________________________________________
-Float_t AliEMCALDigitizer::TimeOfNoise(void)
-{ // Calculates the time signal generated by noise
- //to be rewritten, now returns just big number
- return 1. ;
-
-}
-//____________________________________________________________________________
-void AliEMCALDigitizer::SetSDigitsBranch(const char* title)
-{
- // we set title (comment) of the SDigits branch in the first! header file
- if( strcmp(GetName(), "") == 0 )
- Init() ;
- AliEMCALGetter::GetInstance()->SDigits()->SetName(title) ;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff