//
//////////////////////////////////////////////////////////////////////////////
-
// --- ROOT system ---
-
+#include "TMath.h"
#include "TTree.h"
// --- Standard library ---
// --- AliRoot header files ---
#include "AliEMCALLoader.h"
#include "AliLog.h"
+#include "AliCDBLocal.h"
+#include "AliCDBStorage.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
+#include "AliEMCALHit.h"
ClassImp(AliEMCALLoader)
const TString AliEMCALLoader::fgkECARecPointsBranchName("EMCALECARP");//Name for branch with ECA Reconstructed Points
+AliEMCALCalibData* AliEMCALLoader::fgCalibData = 0; //calibation data
+AliEMCALRecParam * AliEMCALLoader::fgRecParam = 0; //reconstruction parameters
//____________________________________________________________________________
AliEMCALLoader::AliEMCALLoader()
+ : fDebug(0),
+ fHits(0),
+ fDigits(0),
+ fSDigits(0),
+ fRecPoints(0)
{
+ //Default constructor for EMCAL Loader Class
+
fDebug = 0;
fHits = new TClonesArray("AliEMCALHit");
fDigits = new TClonesArray("AliEMCALDigit");
}
//____________________________________________________________________________
-AliEMCALLoader::AliEMCALLoader(const Char_t *detname,const Char_t *eventfoldername):
- AliLoader(detname,eventfoldername)
+AliEMCALLoader::AliEMCALLoader(const Char_t *detname,const Char_t *eventfoldername)
+ : AliLoader(detname,eventfoldername),
+ fDebug(0),
+ fHits(0),
+ fDigits(0),
+ fSDigits(0),
+ fRecPoints(0)
+{
+ //Specific constructor for EMCAL Loader class
+
+ fDebug=0;
+ fHits = new TClonesArray("AliEMCALHit");
+ fDigits = new TClonesArray("AliEMCALDigit");
+ fSDigits = new TClonesArray("AliEMCALDigit");
+ fRecPoints = new TObjArray();
+}
+
+//____________________________________________________________________________
+AliEMCALLoader::AliEMCALLoader(const Char_t *name, TFolder *topfolder)
+ : AliLoader(name,topfolder),
+ fDebug(0),
+ fHits(0),
+ fDigits(0),
+ fSDigits(0),
+ fRecPoints(0)
{
+ //Specific constructor for EMCAL Loader class
+
fDebug=0;
fHits = new TClonesArray("AliEMCALHit");
fDigits = new TClonesArray("AliEMCALDigit");
fRecPoints = new TObjArray();
}
+//____________________________________________________________________________
+AliEMCALLoader::AliEMCALLoader(const AliEMCALLoader & obj)
+ : AliLoader(obj),
+ fDebug(obj.fDebug),
+ fHits(obj.fHits),
+ fDigits(obj.fDigits),
+ fSDigits(obj.fSDigits),
+ fRecPoints(obj.fRecPoints)
+{
+ //copy ctor
+}
+
//____________________________________________________________________________
AliEMCALLoader::~AliEMCALLoader()
{
TreeS()->SetBranchAddress(fDetectorName,0);
if (TreeR())
TreeR()->SetBranchAddress(fgkECARecPointsBranchName,0);
- delete fHits;
+ if (fHits) {
+ fHits->Delete();
+ delete fHits;
+ }
delete fDigits;
delete fSDigits;
delete fRecPoints;
}
//____________________________________________________________________________
-Int_t AliEMCALLoader::GetEvent() {
- AliLoader::GetEvent(); // First call AliLoader to do all the groundwork
+AliEMCALCalibData* AliEMCALLoader::CalibData()
+{
+ // Check if the instance of AliEMCALCalibData exists, if not, create it if
+ // the OCDB is available, and finally return it.
- // Now connect and fill TClonesArray
+ if(!fgCalibData && (AliCDBManager::Instance()->IsDefaultStorageSet()))
+ {
+ AliCDBEntry *entry = (AliCDBEntry*)
+ AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
+ if (entry) fgCalibData = (AliEMCALCalibData*) entry->GetObject();
+ }
+
+ if(!fgCalibData)
+ AliFatal("Calibration parameters not found in CDB!");
+
+ return fgCalibData;
+
+}
- // Hits
- TTree *treeH = TreeH();
- if (treeH) {
- treeH->SetBranchAddress(fDetectorName,&fHits);
- if (treeH->GetEntries() > 1)
- AliWarning("Multiple arrays in treeH no longer supported");
- treeH->GetEvent(0);
- }
+//____________________________________________________________________________
+AliEMCALRecParam* AliEMCALLoader::RecParam()
+{
+ // Check if the instance of AliEMCALRecParam exists, if not, create it if
+ // the OCDB is available, and finally return it.
- // SDigits
- TTree *treeS = TreeS();
- if (treeS) {
- treeS->SetBranchAddress(fDetectorName,&fSDigits);
- treeS->GetEvent(0);
+ if(!fgRecParam && (AliCDBManager::Instance()->IsDefaultStorageSet())) {
+ AliCDBEntry *entry = (AliCDBEntry*)
+ AliCDBManager::Instance()->Get("EMCAL/Config/RecParam/");
+ if (entry) fgRecParam = (AliEMCALRecParam*) entry->GetObject();
}
+
+ if(!fgRecParam)
+ AliWarning("Recostruction parameters not found in CDB!");
+
+ return fgRecParam;
+
+}
- // Digits
- TTree *treeD = TreeD();
- if (treeD) {
- treeD->SetBranchAddress(fDetectorName,&fDigits);
- treeD->GetEvent(0);
- }
+//____________________________________________________________________________
+Int_t AliEMCALLoader::CalibrateRaw(Double_t energy, Int_t module,
+ Int_t column, Int_t row)
+{
+ // Convert energy into digitized amplitude for a cell relId
+ // It is a user responsilibity to open CDB and set
+ // AliEMCALCalibData object by the following operators:
+ //
+ // AliCDBLocal *loc = new AliCDBLocal("deCalibDB");
+ // AliEMCALCalibData* clb = (AliEMCALCalibData*)AliCDBStorage::Instance()
+ // ->Get(path_to_calibdata,run_number);
+ // AliEMCALGetter* gime = AliEMCALGetter::Instance("galice.root");
+ // gime->SetCalibData(clb);
- // RecPoints
- TTree *treeR = TreeR();
- if (treeR) {
- treeR->SetBranchAddress(fgkECARecPointsBranchName,&fRecPoints);
- treeR->GetEvent(0);
+ if (CalibData() == 0)
+ Warning("CalibrateRaw","Calibration DB is not initiated!");
+
+ Float_t gainFactor = 0.00305;//0.0015; // width of one ADC channel in GeV
+ Float_t pedestal = 0.009;//0.005; // pedestals
+
+ if(CalibData()) {
+ gainFactor = CalibData()->GetADCchannel (module,column,row);
+ pedestal = CalibData()->GetADCpedestal(module,column,row);
}
+
+ Int_t amp = static_cast<Int_t>( (energy - pedestal) / gainFactor + 0.5 ) ;
+ return amp;
+}
+
+//____________________________________________________________________________
+Int_t AliEMCALLoader::GetEvent()
+{
+ //Method to load all of the data
+ //members of the EMCAL for a given
+ //event from the Trees
+
+ AliLoader::GetEvent(); // First call AliLoader to do all the groundwork
+
+ // Now connect and fill TClonesArray
+
+ // Hits
+ TTree *treeH = TreeH();
+
+ if (treeH) {
+ Int_t nEnt = treeH->GetEntries(); // TreeH has array of hits for every primary
+ fHits->Clear();
+ Int_t index = 0;
+ TClonesArray *tempArr = 0x0;
+ TBranch * branchH = treeH->GetBranch(fDetectorName);
+ branchH->SetAddress(&tempArr);
+ for (Int_t iEnt = 0; iEnt < nEnt; iEnt++) {
+ treeH->GetEntry(iEnt);
+ Int_t nHit = tempArr->GetEntriesFast();
+ for (Int_t iHit = 0; iHit < nHit; iHit++) {
+ new ((*fHits)[index]) AliEMCALHit(*((AliEMCALHit*)tempArr->At(iHit)));
+ index++;
+ }
+ }
+ branchH->ResetAddress();
+ if (tempArr) {
+ tempArr->Delete();
+ delete tempArr;
+ }
+ }
+
+ // SDigits
+ TTree *treeS = TreeS();
+ if (treeS) {
+ TBranch * branchS = treeS->GetBranch(fDetectorName);
+ branchS->ResetAddress();
+ if (fSDigits) {
+ fSDigits->Clear();
+ }
+ branchS->SetAddress(&fSDigits);
+ treeS->GetEvent(0);
+ }
+
+ // Digits
+ TTree *treeD = TreeD();
+ if (treeD) {
+ TBranch * branchD = treeD->GetBranch(fDetectorName);
+ branchD->ResetAddress();
+ if (fDigits) {
+ fDigits->Clear();
+ }
+ branchD->SetAddress(&fDigits);
+ treeD->GetEvent(0);
+ }
- return 0;
+ // RecPoints
+ TTree *treeR = TreeR();
+ if (treeR) {
+ TBranch * branchR = treeR->GetBranch(fgkECARecPointsBranchName);
+ branchR->ResetAddress();
+ if (fRecPoints) {
+ fRecPoints->Clear();
+ }
+ branchR->SetAddress(&fRecPoints);
+ treeR->GetEvent(0);
+ }
+
+ return 0;
}