// Base class for the clusterization algorithm (pure abstract)
//*--
//*-- Author: Yves Schutz SUBATECH
+// Modif:
+// August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
+// of new IO (à la PHOS)
//////////////////////////////////////////////////////////////////////////////
// --- ROOT system ---
-
-#include "TGeometry.h"
-#include "TDirectory.h"
-#include "TFile.h"
-#include "TTree.h"
+#include "TClonesArray.h"
+#include "TTree.h"
// --- Standard library ---
-#include <iostream.h>
-#include <stdlib.h>
// --- AliRoot header files ---
-
-#include "AliRun.h"
#include "AliEMCALClusterizer.h"
-#include "AliHeader.h"
+#include "AliLog.h"
ClassImp(AliEMCALClusterizer)
//____________________________________________________________________________
- AliEMCALClusterizer::AliEMCALClusterizer():TTask("","")
+AliEMCALClusterizer::AliEMCALClusterizer():
+ fDigitsArr(NULL),
+ fTreeR(NULL),
+ fRecPoints(NULL)
{
// ctor
- fSplitFile = 0 ;
}
//____________________________________________________________________________
-AliEMCALClusterizer::AliEMCALClusterizer(const char* headerFile, const char* name):
-TTask(name, headerFile)
+AliEMCALClusterizer::~AliEMCALClusterizer()
{
- // ctor
- fSplitFile = 0 ;
+ // dtor
+ if (fDigitsArr) {
+ fDigitsArr->Delete();
+ delete fDigitsArr;
+ }
+ if (fRecPoints) {
+ fRecPoints->Delete();
+ delete fRecPoints;
+ }
}
//____________________________________________________________________________
-AliEMCALClusterizer::~AliEMCALClusterizer()
+void AliEMCALClusterizer::SetInput(TTree *digitsTree)
{
- // dtor
-
- fSplitFile = 0 ;
-
+ // Read the digits from the input tree
+ TBranch *branch = digitsTree->GetBranch("EMCAL");
+ if (!branch) {
+ AliError("can't get the branch with the EMCAL digits !");
+ return;
+ }
+ fDigitsArr = new TClonesArray("AliEMCALDigit",100);
+ branch->SetAddress(&fDigitsArr);
+ branch->GetEntry(0);
}
//____________________________________________________________________________
-void AliEMCALClusterizer::SetSplitFile(const TString splitFileName)
+void AliEMCALClusterizer::SetOutput(TTree *clustersTree)
{
- // Diverts the Digits in a file separate from the hits file
-
-
- TDirectory * cwd = gDirectory ;
- fSplitFile = gAlice->InitTreeFile("R",splitFileName.Data());
- fSplitFile->cd() ;
- gAlice->Write(0, TObject::kOverwrite);
-
- TTree *treeE = gAlice->TreeE();
- if (!treeE) {
- cerr << "ERROR: AliEMCALClusterizer::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: AliEMCALClusterizer::SetSplitFile -> AliceGeom was not found in the input file "<<endl;
- abort() ;
- }
- AliceGeom->Write(0, TObject::kOverwrite);
+ // Read the digits from the input tree
+ fTreeR = clustersTree;
- gAlice->MakeTree("R", fSplitFile);
- cwd->cd() ;
- cout << "INFO: AliEMCALClusterizer::SetSPlitMode -> RecPoints will be stored in " << splitFileName.Data() << endl ;
+ AliDebug(9, "Making array for EMCAL clusters");
+ fRecPoints = new TObjArray(100) ;
+ Int_t split = 0;
+ Int_t bufsize = 32000;
+ fTreeR->Branch("EMCALECARP", "TObjArray", &fRecPoints, bufsize, split);
}