/* $Id$ */
-////////////////////////////////////
-//
+// -----------------------------------
+// Class AliMUONClusterReconstructor
+// ----------------------------------
// MUON cluster reconstructor for MUON
-//
-// Should implement a virtual class ClusterFinder to chose between VS and AZ method
-////////////////////////////////////
+// Should implement a virtual class ClusterFinder to choose between VS and AZ method
#include "AliMUONClusterReconstructor.h"
#include "AliRun.h" // for gAlice
#include "AliLog.h"
ClassImp(AliMUONClusterReconstructor) // Class implementation in ROOT context
-
+
//__________________________________________________________________________
- AliMUONClusterReconstructor::AliMUONClusterReconstructor(AliLoader* loader, AliMUONData* data)
- : TObject()
+AliMUONClusterReconstructor::AliMUONClusterReconstructor(AliMUONData* data)
+: TObject(),
+ fMUONData(data),
+ fRecModel(new AliMUONClusterFinderVS()),
+ fDigitsCath0(new TClonesArray("AliMUONDigit",1000)),
+ fDigitsCath1(new TClonesArray("AliMUONDigit",1000))
{
- // Standard Constructor
-
- // initialize loader's
- fLoader = loader;
-
- // initialize container
- if (data == 0x0)
- fMUONData = new AliMUONData(fLoader,"MUON","MUON");
- else
- fMUONData = data;
-
- // reconstruction model
- fRecModel = new AliMUONClusterFinderVS();
- //fRecModel = new AliMUONClusterFinderAZ();
-
-}
+/// Standard Constructor
-//__________________________________________________________________________
-AliMUONClusterReconstructor::AliMUONClusterReconstructor()
- : TObject(),
- fMUONData(0),
- fRecModel(0),
- fLoader(0)
-{
- // Default Constructor
+ fDigitsCath0->SetOwner(kTRUE);
+ fDigitsCath1->SetOwner(kTRUE);
}
//_______________________________________________________________________
AliMUONClusterReconstructor::AliMUONClusterReconstructor (const AliMUONClusterReconstructor& rhs)
: TObject(rhs)
{
-// Protected copy constructor
+/// Protected copy constructor
AliFatal("Not implemented.");
}
AliMUONClusterReconstructor &
AliMUONClusterReconstructor::operator=(const AliMUONClusterReconstructor& rhs)
{
-// Protected assignement operator
+/// Protected assignement operator
if (this == &rhs) return *this;
//__________________________________________________________________________
AliMUONClusterReconstructor::~AliMUONClusterReconstructor(void)
{
+/// Destructor
- if (fMUONData)
- delete fMUONData;
- if (fRecModel)
- delete fRecModel;
+ delete fRecModel;
+ delete fDigitsCath0;
+ delete fDigitsCath1;
+}
- return;
+//______________________________________________________________________________
+void
+AliMUONClusterReconstructor::ClusterizeOneDE(Int_t detElemId)
+{
+/// Clusterize one detection element, and let fMUONData know about
+/// the results.
+
+ if ( fDigitsCath0->GetEntriesFast() || fDigitsCath1->GetEntriesFast() )
+ {
+ Int_t iChamber = detElemId/100 - 1;
+ AliMUONClusterInput::Instance()->SetDigits(iChamber, detElemId,
+ fDigitsCath0,fDigitsCath1);
+ AliDebug(3,Form("ClusterizeOneDE iChamber=%d DE=%d",iChamber,detElemId));
+ StdoutToAliDebug(3,cout << "DigitsCath0=" << endl;
+ fDigitsCath0->Print();
+ cout << "DigitsCath1=" << endl;
+ fDigitsCath1->Print(););
+ fRecModel->FindRawClusters();
+
+ // copy results into the output container
+ TClonesArray* tmp = fRecModel->GetRawClusters();
+ for (Int_t id = 0; id < tmp->GetEntriesFast(); ++id)
+ {
+ AliMUONRawCluster* pClus = (AliMUONRawCluster*) tmp->At(id);
+ fMUONData->AddRawCluster(iChamber, *pClus);
+ }
+
+ // Reset the arrays
+ fDigitsCath0->Clear("C");
+ fDigitsCath1->Clear("C");
+ }
}
+
//____________________________________________________________________
-void AliMUONClusterReconstructor::Digits2Clusters()
+void AliMUONClusterReconstructor::Digits2Clusters(Int_t chBeg)
{
-
- TClonesArray *dig1, *dig2, *digAll;
- Int_t ndig, k, idDE, idDEprev;
- dig1 = new TClonesArray("AliMUONDigit",1000);
- dig2 = new TClonesArray("AliMUONDigit",1000);
- digAll = new TClonesArray("AliMUONDigit",2000);
-
- AliMUONDigit* digit;
-
- TArrayI id(200); // contains the different IdDE
-
+/// Clusterize all the tracking chamber digits.
+///
+/// For each chamber, we loop *once* on that chamber digits, and store them
+/// in 2 temporary arrays (one pair of arrays per detection element,
+/// one array per cathode). Once a pair of arrays is full (i.e. all the digits
+/// of that detection element have been stored), we clusterize this DE, and
+/// move to the next one.
-// Loop on chambers and on cathode planes
- TClonesArray* muonDigits;
- Int_t n2;
- Int_t n1;
+ if (!fRecModel)
+ {
+ AliWarning("No reco model defined. Nothing to do...");
+ return;
+ }
- for (Int_t ich = 0; ich < AliMUONConstants::NTrackingCh(); ich++) {
-
- id.Reset();
- n1 = 0;
- n2 = 0;
- //cathode 0 & 1
- fMUONData->ResetDigits();
- fMUONData->GetDigits();
- muonDigits = fMUONData->Digits(ich);
- ndig = muonDigits->GetEntriesFast();
- TClonesArray &lDigit = *digAll;
-
- idDEprev = 0;
- muonDigits->Sort();
- for (k = 0; k < ndig; k++) {
-
- digit = (AliMUONDigit*) muonDigits->UncheckedAt(k);
- new(lDigit[n1++]) AliMUONDigit(*digit);
- idDE = digit->DetElemId();
- if (idDE != idDEprev) {
- id.AddAt(idDE,n2++);
- }
- idDEprev = idDE;
+ Int_t iChamber(-1);
+ Int_t currentDE(-1);
+
+ // Loop on chambers
+ for ( iChamber = chBeg; iChamber < AliMUONConstants::NTrackingCh(); ++iChamber )
+ {
+ TClonesArray* muonDigits = fMUONData->Digits(iChamber);
+
+ Int_t ndig = muonDigits->GetEntriesFast();
+ if (!ndig) continue;
+
+ muonDigits->Sort(); // the sort *must* be per DE (at least), otherwise
+ // the following logic with currentDE will fail.
+
+ currentDE = -1; // initialize the DE counter (that is used to track
+ // when we change of DE in the following loop over
+ // all digits) to an invalid value.
+
+ for ( Int_t k = 0; k < ndig; ++k )
+ {
+ AliMUONDigit* digit = (AliMUONDigit*) muonDigits->UncheckedAt(k);
+ if ( ! digit->Signal() > 0 ) continue; // skip void digits.
+
+ if ( digit->DetElemId() != currentDE )
+ {
+ AliDebug(3,Form("Switching DE from %d to %d",currentDE,digit->DetElemId()));
+ // we get to a new DE, so clusterize the previous one before
+ // moving on.
+ ClusterizeOneDE(currentDE);
+ currentDE = digit->DetElemId();
}
-
- Int_t idSize = n2;
-
- // loop over id DE
- for (idDE = 0; idDE < idSize; idDE++) {
- TClonesArray &lhits1 = *dig1;
- TClonesArray &lhits2 = *dig2;
- dig1->Clear();
- dig2->Clear();
- n1 = n2 = 0;
-
- for (k = 0; k < digAll->GetEntriesFast(); k++) {
- digit = (AliMUONDigit*) digAll->UncheckedAt(k);
- // printf("digit idDE %d\n", digit->DetElemId());
- if (id[idDE] == digit->DetElemId()) {
- if (digit->Cathode() == 0)
- new(lhits1[n1++]) AliMUONDigit(*digit);
- else
- new(lhits2[n2++]) AliMUONDigit(*digit);
- }
- }
-
- // cluster finder
- if (fRecModel) {
- AliMUONClusterInput::Instance()->SetDigits(ich, id[idDE], dig1, dig2);
- fRecModel->FindRawClusters();
- }
- // copy into the container
- TClonesArray* tmp = fRecModel->GetRawClusters();
- for (Int_t id = 0; id < tmp->GetEntriesFast(); id++) {
- AliMUONRawCluster* pClus = (AliMUONRawCluster*) tmp->At(id);
- fMUONData->AddRawCluster(ich, *pClus);
- }
- dig1->Delete();
- dig2->Delete();
- } // idDE
- digAll->Delete();
- } // for ich
- delete dig1;
- delete dig2;
- delete digAll;
+
+ // Add the digit to the array with the right cathode number.
+ if (digit->Cathode() == 0)
+ {
+ new((*fDigitsCath0)[fDigitsCath0->GetLast()+1]) AliMUONDigit(*digit);
+ }
+ else
+ {
+ new((*fDigitsCath1)[fDigitsCath1->GetLast()+1]) AliMUONDigit(*digit);
+ }
+ } // end of loop on chamber digits
+
+ // As the above logic is based on detecting a change in DE number,
+ // the last DE of each chamber has not been clusterized, so we do
+ // it here.
+ ClusterizeOneDE(currentDE);
+ } // end of loop over chambers
}
+//_______________________________________________________________________
+void
+AliMUONClusterReconstructor::SetRecoModel(AliMUONClusterFinderVS* rec)
+{
+/// Set reconstruction model
+
+ delete fRecModel;
+ fRecModel = rec;
+}
+
//_______________________________________________________________________
void AliMUONClusterReconstructor::Trigger2Trigger()
{
-// copy trigger from TreeD to TreeR
+/// Copy trigger from TreeD to TreeR
+
+ fMUONData->SetTreeAddress("GLT");
fMUONData->GetTriggerD();
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff