//_________________________________________________________________________
// This is a TTask that makes SDigits out of Hits
+// The name of the TTask is also the title of the branch that will contain
+// the created SDigits
+// The title of the TTAsk is the name of the file that contains the hits from
+// which the SDigits are created
// A Summable Digits is the sum of all hits originating
// from one primary in one active cell
// A threshold for assignment of the primary to SDigit is applied
// --- AliRoot header files ---
#include "AliRun.h"
#include "AliPHOSDigit.h"
+#include "AliPHOSGetter.h"
#include "AliPHOSHit.h"
#include "AliPHOSSDigitizer.h"
//____________________________________________________________________________
- AliPHOSSDigitizer::AliPHOSSDigitizer():TTask("AliPHOSSDigitizer","")
+ AliPHOSSDigitizer::AliPHOSSDigitizer():TTask("","")
{
// ctor
fA = 0;
fB = 10000000.;
fPrimThreshold = 0.01 ;
- fNevents = 0 ;
- fSDigits = 0 ;
- fHits = 0 ;
- fIsInitialized = kFALSE ;
-
}
//____________________________________________________________________________
-AliPHOSSDigitizer::AliPHOSSDigitizer(const char* headerFile, const char *sDigitsTitle):TTask("AliPHOSSDigitizer","")
+AliPHOSSDigitizer::AliPHOSSDigitizer(const char * headerFile, const char * sDigitsTitle):TTask(sDigitsTitle, headerFile)
{
// ctor
fA = 0;
fB = 10000000.;
fPrimThreshold = 0.01 ;
- fNevents = 0 ;
- fSDigitsTitle = sDigitsTitle ;
- fHeadersFile = headerFile ;
- fIsInitialized = kFALSE ;
-
Init();
}
-//____________________________________________________________________________
-AliPHOSSDigitizer::~AliPHOSSDigitizer()
-{
- // dtor
- if(fSDigits)
- delete fSDigits ;
- if(fHits)
- delete fHits ;
-}
+
//____________________________________________________________________________
void AliPHOSSDigitizer::Init()
{
// attach task SDigitizer to the list of PHOS tasks
//
// Initialization can not be done in the default constructor
-
- if(!fIsInitialized){
-
- if(fHeadersFile.IsNull())
- fHeadersFile="galice.root" ;
-
- TFile * file = (TFile*) gROOT->GetFile(fHeadersFile.Data() ) ;
-
- //if file was not opened yet, read gAlice
- if(file == 0){
- if(fHeadersFile.Contains("rfio"))
- file = TFile::Open(fHeadersFile,"update") ;
- else
- file = new TFile(fHeadersFile.Data(),"update") ;
- gAlice = (AliRun *) file->Get("gAlice") ;
- }
-
- fHits = new TClonesArray("AliPHOSHit",1000);
- fSDigits = new TClonesArray("AliPHOSDigit",1000);
-
- //add Task to //YSAlice/tasks/(S)Diditizer/PHOS
- TFolder * alice = (TFolder*)gROOT->GetListOfBrowsables()->FindObject("YSAlice") ;
- TTask * aliceSD = (TTask*)alice->FindObject("tasks/(S)Digitizer") ;
- TTask * phosSD = (TTask*)aliceSD->GetListOfTasks()->FindObject("PHOS") ;
+ //============================================================= YS
+ // The initialisation is now done by AliPHOSGetter
+
+ if( strcmp(GetTitle(), "") == 0 )
+ SetTitle("galice.root") ;
+
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance(GetTitle(), GetName()) ;
+ if ( gime == 0 ) {
+ cerr << "ERROR: AliPHOSSDigitizer::Init -> Could not obtain the Getter object !" << endl ;
+ return ;
+ }
+
+ //add Task to //YSAlice/tasks/SDiditizer/PHOS
+ TTask * aliceSD = (TTask*)gROOT->FindObjectAny("YSAlice/tasks/SDigitizer") ;
+ TTask * phosSD = (TTask*)aliceSD->GetListOfTasks()->FindObject("PHOS") ;
+ if ( ! phosSD->GetListOfTasks()->FindObject(GetName()) )
phosSD->Add(this) ;
+ // create a folder on the white board //YSAlice/WhiteBoard/SDigits/PHOS/headerFile/sdigitsTitle
+ gime->Post(GetTitle(), "S", GetName() ) ;
- fIsInitialized = kTRUE ;
- }
}
+
//____________________________________________________________________________
void AliPHOSSDigitizer::Exec(Option_t *option)
{
// Collects all hits in the same active volume into digit
-
- if(!fIsInitialized)
+ if( strcmp(GetName(), "") == 0 )
Init() ;
+
+ if (strstr(option, "print") ) {
+ Print("") ;
+ return ;
+ }
if(strstr(option,"tim"))
gBenchmark->Start("PHOSSDigitizer");
+
+ //Check, if this branch already exits
+ TObjArray * lob = (TObjArray*)gAlice->TreeS()->GetListOfBranches() ;
+ TIter next(lob) ;
+ TBranch * branch = 0 ;
+ Bool_t phosfound = kFALSE, sdigitizerfound = kFALSE ;
- fNevents = (Int_t) gAlice->TreeE()->GetEntries() ;
+ while ( (branch = (TBranch*)next()) && (!phosfound || !sdigitizerfound) ) {
+ if ( (strcmp(branch->GetName(), "PHOS")==0) && (strcmp(branch->GetTitle(), GetName())==0) )
+ phosfound = kTRUE ;
+
+ else if ( (strcmp(branch->GetName(), "AliPHOSSDigitizer")==0) && (strcmp(branch->GetTitle(), GetName())==0) )
+ sdigitizerfound = kTRUE ;
+ }
+
+ if ( phosfound || sdigitizerfound ) {
+ cerr << "WARNING: AliPHOSSDigitizer::Exec -> SDigits and/or SDigitizer branch with name " << GetName()
+ << " already exits" << endl ;
+ return ;
+ }
+
+
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+
+ TClonesArray * hits = gime->Hits() ;
+
+ Int_t nevents = (Int_t) gAlice->TreeE()->GetEntries() ;
Int_t ievent ;
- for(ievent = 0; ievent < fNevents; ievent++){
+ for(ievent = 0; ievent < nevents; ievent++){
gAlice->GetEvent(ievent) ;
gAlice->SetEvent(ievent) ;
if(gAlice->TreeH()==0){
- cout << "AliPHOSSDigitizer: There is no Hit Tree" << endl;
+ cerr << "ERROR: AliPHOSSDigitizer::Exec There is no Hit Tree" << endl;
return ;
}
//set address of the hits
TBranch * branch = gAlice->TreeH()->GetBranch("PHOS");
if (branch)
- branch->SetAddress(&fHits);
+ branch->SetAddress(&hits);
else{
- cout << "ERROR in AliPHOSSDigitizer: "<< endl ;
- cout << " no branch PHOS in TreeH"<< endl ;
- cout << " do nothing " << endl ;
+ cerr << "ERROR: AliPHOSSDigitizer::Exec -> No branch PHOS in TreeH " << endl ;
+ cerr << " Do nothing " << endl ;
return ;
}
-
- fSDigits->Clear();
+
+ TClonesArray * sdigits = gime->SDigits(GetName()) ;
+
+ sdigits->Clear();
Int_t nSdigits = 0 ;
- //Now made SDigits from hits, for PHOS it is the same, so just copy
+ //Now make SDigits from hits, for PHOS it is the same, so just copy
Int_t itrack ;
for (itrack=0; itrack < gAlice->GetNtrack(); itrack++){
-
+
//=========== Get the PHOS branch from Hits Tree for the Primary track itrack
branch->GetEntry(itrack,0);
-
Int_t i;
- for ( i = 0 ; i < fHits->GetEntries() ; i++ ) {
- AliPHOSHit * hit = (AliPHOSHit*)fHits->At(i) ;
-
+ for ( i = 0 ; i < hits->GetEntries() ; i++ ) {
+ const AliPHOSHit * hit = gime->Hit(i) ;
// Assign primary number only if contribution is significant
+
if( hit->GetEnergy() > fPrimThreshold)
- new((*fSDigits)[nSdigits]) AliPHOSDigit( hit->GetPrimary(), hit->GetId(), Digitize( hit->GetEnergy() ) ) ;
+ new((*sdigits)[nSdigits]) AliPHOSDigit( hit->GetPrimary(), hit->GetId(), Digitize( hit->GetEnergy() ) ) ;
else
- new((*fSDigits)[nSdigits]) AliPHOSDigit( -1 , hit->GetId(), Digitize( hit->GetEnergy() ) ) ;
+ new((*sdigits)[nSdigits]) AliPHOSDigit( -1 , hit->GetId(), Digitize( hit->GetEnergy() ) ) ;
nSdigits++ ;
}
-
+
} // loop over tracks
- fSDigits->Sort() ;
-
- nSdigits = fSDigits->GetEntriesFast() ;
- fSDigits->Expand(nSdigits) ;
+ sdigits->Sort() ;
+ nSdigits = sdigits->GetEntriesFast() ;
+ sdigits->Expand(nSdigits) ;
Int_t i ;
for (i = 0 ; i < nSdigits ; i++) {
- AliPHOSDigit * digit = (AliPHOSDigit *) fSDigits->At(i) ;
+ AliPHOSDigit * digit = (AliPHOSDigit *) sdigits->At(i) ;
digit->SetIndexInList(i) ;
}
if(gAlice->TreeS() == 0)
gAlice->MakeTree("S") ;
- //check, if this branch already exits?
- TBranch * sdigitsBranch = 0;
- TBranch * sdigitizerBranch = 0;
-
- TObjArray * branches = gAlice->TreeS()->GetListOfBranches() ;
- Int_t ibranch;
- Bool_t phosNotFound = kTRUE ;
- Bool_t sdigitizerNotFound = kTRUE ;
-
- for(ibranch = 0;ibranch <branches->GetEntries();ibranch++){
-
- if(phosNotFound){
- sdigitsBranch=(TBranch *) branches->At(ibranch) ;
- if( (strcmp("PHOS",sdigitsBranch->GetName())==0 ) &&
- (fSDigitsTitle.CompareTo(sdigitsBranch->GetTitle()) == 0) )
- phosNotFound = kFALSE ;
- }
- if(sdigitizerNotFound){
- sdigitizerBranch = (TBranch *) branches->At(ibranch) ;
- if( (strcmp(sdigitizerBranch->GetName(),"AliPHOSSDigitizer") == 0)&&
- (fSDigitsTitle.CompareTo(sdigitizerBranch->GetTitle()) == 0) )
- sdigitizerNotFound = kFALSE ;
- }
- }
-
- if(!(sdigitizerNotFound && phosNotFound)){
- cout << "AliPHOSSdigitizer error:" << endl ;
- cout << "Can not overwrite existing branches: do not write" << endl ;
- return ;
- }
-
//Make (if necessary) branches
char * file =0;
if(gSystem->Getenv("CONFIG_SPLIT_FILE")){ //generating file name
//First list of sdigits
Int_t bufferSize = 32000 ;
- sdigitsBranch = gAlice->TreeS()->Branch("PHOS",&fSDigits,bufferSize);
- sdigitsBranch->SetTitle(fSDigitsTitle.Data());
+ TBranch * sdigitsBranch = gAlice->TreeS()->Branch("PHOS",&sdigits,bufferSize);
+ sdigitsBranch->SetTitle(GetName());
if (file) {
sdigitsBranch->SetFile(file);
TIter next( sdigitsBranch->GetListOfBranches());
cwd->cd();
}
- //second - SDigitizer
+ //Next - SDigitizer
Int_t splitlevel = 0 ;
AliPHOSSDigitizer * sd = this ;
- sdigitizerBranch = gAlice->TreeS()->Branch("AliPHOSSDigitizer","AliPHOSSDigitizer",
+ TBranch * sdigitizerBranch = gAlice->TreeS()->Branch("AliPHOSSDigitizer","AliPHOSSDigitizer",
&sd,bufferSize,splitlevel);
- sdigitizerBranch->SetTitle(fSDigitsTitle.Data());
+ sdigitizerBranch->SetTitle(GetName());
if (file) {
sdigitizerBranch->SetFile(file);
TIter next( sdigitizerBranch->GetListOfBranches());
gBenchmark->Stop("PHOSSDigitizer");
cout << "AliPHOSSDigitizer:" << endl ;
cout << " took " << gBenchmark->GetCpuTime("PHOSSDigitizer") << " seconds for SDigitizing "
- << gBenchmark->GetCpuTime("PHOSSDigitizer")/fNevents << " seconds per event " << endl ;
+ << gBenchmark->GetCpuTime("PHOSSDigitizer")/nevents << " seconds per event " << endl ;
cout << endl ;
}
void AliPHOSSDigitizer::SetSDigitsBranch(const char * title )
{
// Setting title to branch SDigits
- if(!fSDigitsTitle.IsNull())
- cout << "AliPHOSSdigitizer: changing SDigits file from " <<fSDigitsTitle.Data() << " to " << title << endl ;
- fSDigitsTitle=title ;
+
+ TString stitle(title) ;
+
+ // check if branch with title already exists
+ TBranch * sdigitsBranch = (TBranch*)gAlice->TreeS()->GetListOfBranches()->FindObject("PHOS") ;
+ TBranch * sdigitizerBranch = (TBranch*)gAlice->TreeS()->GetListOfBranches()->FindObject("AliPHOSSDigitizer") ;
+ const char * sdigitsTitle = sdigitsBranch ->GetTitle() ;
+ const char * sdigitizerTitle = sdigitizerBranch ->GetTitle() ;
+ if ( stitle.CompareTo(sdigitsTitle)==0 || stitle.CompareTo(sdigitizerTitle)==0 ){
+ cerr << "ERROR: AliPHOSSdigitizer::SetSDigitsBranch -> Cannot overwrite existing branch with title " << title << endl ;
+ return ;
+ }
+
+ cout << "AliPHOSSdigitizer::SetSDigitsBranch -> Changing SDigits file from " << GetName() << " to " << title << endl ;
+
+ SetName(title) ;
+
+ // Post to the WhiteBoard
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+ gime->Post(GetTitle(), "S", GetName()) ;
}
+
//__________________________________________________________________
void AliPHOSSDigitizer::Print(Option_t* option)const
{
// Prints parameters of SDigitizer
cout << "------------------- "<< GetName() << " -------------" << endl ;
- cout << " Writing SDigitis to branch with title " << fSDigitsTitle.Data() << 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 ;
void AliPHOSSDigitizer::PrintSDigits(Option_t * option)
{
// Prints list of digits produced in the current pass of AliPHOSDigitizer
-
+
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+ TClonesArray * sdigits = gime->SDigits(GetName()) ;
+
cout << "AliPHOSSDigitizer: " << endl ;
- cout << " Number of entries in SDigits list " << fSDigits->GetEntriesFast() << endl ;
+ cout << " Number of entries in SDigits list " << sdigits->GetEntriesFast() << endl ;
cout << endl ;
if(strstr(option,"all")){// print all digits
AliPHOSDigit * digit;
cout << "SDigit Id " << " Amplitude " << " Index " << " Nprim " << " Primaries list " << endl;
Int_t index ;
- for (index = 0 ; index < fSDigits->GetEntries() ; index++) {
- digit = (AliPHOSDigit * ) fSDigits->At(index) ;
+ for (index = 0 ; index < sdigits->GetEntries() ; index++) {
+ digit = (AliPHOSDigit * ) sdigits->At(index) ;
cout << setw(8) << digit->GetId() << " " << setw(3) << digit->GetAmp() << " "
<< setw(6) << digit->GetIndexInList() << " "
<< setw(5) << digit->GetNprimary() <<" ";
}
}
+
+//____________________________________________________________________________
+void AliPHOSSDigitizer::UseHitsFrom(const char * filename)
+{
+ SetTitle(filename) ;
+ Init() ;
+}