// $Id$
+//-----------------------------------------------------------------------------
/// \class AliMUONMCDataInterface
///
/// Easy to use MC data accessor
///
/// \author Laurent Aphecetche, Subatech
///
+// Moved parts of old AliMUONDataInterface interface to AliMUONMCDataInterface
+// Artur Szostak <artursz@iafrica.com> (University of Cape Town)
+//-----------------------------------------------------------------------------
#include "AliMUONMCDataInterface.h"
#include "AliMUONVDigitStore.h"
#include "AliMUONVHitStore.h"
-#include "AliMUONVStore.h"
#include "AliMUONVTriggerStore.h"
+#include "AliMUONHit.h"
+#include "AliMUONVDigit.h"
+#include "AliMUONLocalTrigger.h"
+#include "AliMUONRegionalTrigger.h"
+#include "AliMUONGlobalTrigger.h"
+
+#include "AliMpEncodePair.h"
+#include "AliMpDEManager.h"
+#include "AliMpConstants.h"
+#include "AliMpCDB.h"
#include "AliLog.h"
#include "AliRunLoader.h"
+#include "AliHeader.h"
#include "AliStack.h"
+#include "AliCDBManager.h"
#include <Riostream.h>
#include <TClonesArray.h>
#include <TList.h>
#include <TParticle.h>
+#include <TIterator.h>
+#include <cstdlib>
+#include <cassert>
/// \cond CLASSIMP
ClassImp(AliMUONMCDataInterface)
fTriggerStore(0x0),
fTrackRefs(0x0),
fCurrentEvent(-1),
-fIsValid(kFALSE)
+fIsValid(kFALSE),
+fCurrentIteratorType(kNoIterator),
+fCurrentIndex(-1),
+fDataX(-1),
+fDataY(-1),
+fIterator(0x0)
{
/// ctor
++fgInstanceCounter;
+ if ( AliCDBManager::Instance() != NULL &&
+ AliCDBManager::Instance()->GetDefaultStorage() == NULL ) {
+ AliFatal("CDB default storage not defined.");
+ }
+
Open(filename);
+
+ // Load mapping
+ if ( ! AliMpCDB::LoadMpSegmentation() ) {
+ AliFatal("Could not access mapping from OCDB !");
+ }
}
//_____________________________________________________________________________
--fgInstanceCounter;
}
+//_____________________________________________________________________________
+AliMUONVHitStore*
+AliMUONMCDataInterface::HitStore(Int_t event, Int_t track)
+{
+ /// Return the hitStore for a given track of one event
+ /// Return 0x0 if event and/or track not found
+ /// Returned pointer should not be deleted
+ ///
+ /// \note If a previous store has been retrieved by one of the methods of
+ /// this class, but for a different event number, then those stores will
+ /// be deleted and no longer valid.
+ /// If you require access to the data for the earlier retrieved store,
+ /// but for different events, then you should deep copy / clone the object.
+
+ if (not IsValid()) return 0x0;
+
+ if (event == fCurrentEvent)
+ {
+ if (track == fDataX and fHitStore != 0x0) // using fDataX as track number.
+ return fHitStore;
+ }
+ else
+ {
+ ResetStores();
+ if ( not LoadEvent(event) ) return 0x0;
+ }
+
+ fLoader->LoadHits();
+
+ TTree* treeH = fLoader->TreeH();
+ if (treeH == 0x0)
+ {
+ AliError("Could not get treeH");
+ return 0x0;
+ }
+
+ fHitStore = AliMUONVHitStore::Create(*treeH);
+ AliDebug(1,"Creating hitStore from treeH");
+ if ( fHitStore != 0x0 )
+ {
+ fHitStore->Connect(*treeH);
+ if ( treeH->GetEvent(track) == 0 )
+ {
+ AliError(Form("Could not read track %d",track));
+ fHitStore->Clear();
+ return 0x0;
+ }
+ fDataX = track; // using fDataX as track number.
+ }
+
+ fLoader->UnloadHits();
+
+ return fHitStore;
+}
+
+//_____________________________________________________________________________
+AliMUONVDigitStore*
+AliMUONMCDataInterface::SDigitStore(Int_t event)
+{
+ /// Return the SDigit store for a given event.
+ /// Return 0 if event not found
+ /// Returned pointer should not be deleted
+ ///
+ /// \note If a previous store has been retrieved by one of the methods of
+ /// this class, but for a different event number, then those stores will
+ /// be deleted and no longer valid.
+ /// If you require access to the data for the earlier retrieved store,
+ /// but for different events, then you should deep copy / clone the object.
+
+ if (not IsValid()) return 0x0;
+
+ if (event == fCurrentEvent)
+ {
+ if (fSDigitStore != 0x0)
+ return fSDigitStore;
+ }
+ else
+ {
+ ResetStores();
+ if ( not LoadEvent(event) ) return 0x0;
+ }
+
+ fLoader->LoadSDigits();
+
+ TTree* treeS = fLoader->TreeS();
+ if (treeS == 0x0)
+ {
+ AliError("Could not get treeS");
+ return 0x0;
+ }
+
+ fSDigitStore = AliMUONVDigitStore::Create(*treeS);
+ if ( fSDigitStore != 0x0 )
+ {
+ fSDigitStore->Clear();
+ fSDigitStore->Connect(*treeS);
+ treeS->GetEvent(0);
+ }
+
+ fLoader->UnloadSDigits();
+
+ return fSDigitStore;
+}
+
//_____________________________________________________________________________
AliMUONVDigitStore*
AliMUONMCDataInterface::DigitStore(Int_t event)
{
/// Return a pointer to the digitStore for a given event (or 0 if not found)
/// Returned pointer should not be deleted
+ ///
+ /// \note If a previous store has been retrieved by one of the methods of
+ /// this class, but for a different event number, then those stores will
+ /// be deleted and no longer valid.
+ /// If you require access to the data for the earlier retrieved store,
+ /// but for different events, then you should deep copy / clone the object.
+
+ if (not IsValid()) return 0x0;
- if ( LoadEvent(event) ) return 0x0;
+ if (event == fCurrentEvent)
+ {
+ if (fDigitStore != 0x0)
+ return fDigitStore;
+ }
+ else
+ {
+ ResetStores();
+ if ( not LoadEvent(event) ) return 0x0;
+ }
fLoader->LoadDigits();
TTree* treeD = fLoader->TreeD();
-
- if (!treeD)
+ if (treeD == 0x0)
{
AliError("Could not get treeD");
return 0x0;
}
- if (!fDigitStore)
- {
- fDigitStore = AliMUONVDigitStore::Create(*treeD);
- }
-
- if ( fDigitStore )
+ fDigitStore = AliMUONVDigitStore::Create(*treeD);
+ if ( fDigitStore != 0x0 )
{
fDigitStore->Clear();
fDigitStore->Connect(*treeD);
return fDigitStore;
}
+//_____________________________________________________________________________
+AliStack*
+AliMUONMCDataInterface::Stack(Int_t event)
+{
+ /// Get the Stack (list of generated particles) for one event
+ /// Returned pointer should not be deleted
+ ///
+ /// \note If a previous store has been retrieved by one of the methods of
+ /// this class, but for a different event number, then those stores will
+ /// be deleted and no longer valid.
+ /// If you require access to the data for the earlier retrieved store,
+ /// but for different events, then you should deep copy / clone the object.
+
+ if ( not IsValid() ) return 0x0;
+
+ if (event != fCurrentEvent)
+ {
+ ResetStores();
+ if ( not LoadEvent(event) ) return 0x0;
+ }
+
+ fLoader->GetRunLoader()->LoadKinematics();
+
+ return fLoader->GetRunLoader()->Stack();
+}
+
+//_____________________________________________________________________________
+TClonesArray*
+AliMUONMCDataInterface::TrackRefs(Int_t event, Int_t track)
+{
+ /// Get the track references for a given (generated) track of one event
+ /// Returned pointer should not be deleted
+ ///
+ /// \note If a previous store has been retrieved by one of the methods of
+ /// this class, but for a different event number, then those stores will
+ /// be deleted and no longer valid.
+ /// If you require access to the data for the earlier retrieved store,
+ /// but for different events, then you should deep copy / clone the object.
+
+ if ( not IsValid() ) return 0x0;
+
+ if (event == fCurrentEvent)
+ {
+ if (track == fDataX and fTrackRefs != 0x0) // using fDataX as track number.
+ return fTrackRefs;
+ }
+ else
+ {
+ ResetStores();
+ if ( not LoadEvent(event) ) return 0x0;
+ }
+
+ fLoader->GetRunLoader()->LoadTrackRefs();
+
+ TTree* treeTR = fLoader->GetRunLoader()->TreeTR();
+
+ if ( fTrackRefs != 0x0 ) fTrackRefs->Clear("C");
+
+ if (treeTR != 0x0)
+ {
+ if ( treeTR->GetEvent(track) > 0 )
+ {
+ TBranch* branch = treeTR->GetBranch("TrackReferences");
+ branch->SetAddress(&fTrackRefs);
+ branch->GetEvent(track);
+ fDataX = track; // using fDataX as track number.
+ }
+ }
+ else
+ {
+ AliError("Could not get TreeTR");
+ }
+
+ fLoader->GetRunLoader()->UnloadTrackRefs();
+
+ return fTrackRefs;
+}
+
+//_____________________________________________________________________________
+AliMUONVTriggerStore*
+AliMUONMCDataInterface::TriggerStore(Int_t event)
+{
+ /// Return the triggerStore for a given event.
+ /// Return 0x0 if event not found.
+ /// Returned pointer should not be deleted.
+ ///
+ /// \note If a previous store has been retrieved by one of the methods of
+ /// this class, but for a different event number, then those stores will
+ /// be deleted and no longer valid.
+ /// If you require access to the data for the earlier retrieved store,
+ /// but for different events, then you should deep copy / clone the object.
+
+ if (not IsValid()) return 0x0;
+
+ if (event == fCurrentEvent)
+ {
+ if (fTriggerStore != 0x0)
+ return fTriggerStore;
+ }
+ else
+ {
+ ResetStores();
+ if ( not LoadEvent(event) ) return 0x0;
+ }
+
+ fLoader->LoadDigits();
+
+ TTree* treeD = fLoader->TreeD();
+ if ( treeD == 0x0 )
+ {
+ AliError("Could not get treeD");
+ return 0x0;
+ }
+
+ fTriggerStore = AliMUONVTriggerStore::Create(*treeD);
+ if ( fTriggerStore != 0x0 )
+ {
+ fTriggerStore->Clear();
+ fTriggerStore->Connect(*treeD);
+ treeD->GetEvent(0);
+ }
+
+ fLoader->UnloadDigits();
+
+ return fTriggerStore;
+}
+
//_____________________________________________________________________________
void
AliMUONMCDataInterface::DumpDigits(Int_t event, Bool_t sorted)
/// Dump the digits for a given event, sorted if requested.
DigitStore(event);
- if ( fDigitStore )
+ if ( fDigitStore != 0x0 )
{
if ( sorted )
{
/// Dump all generated particles for one event
AliStack* stack = Stack(event);
- if ( stack )
+ if ( stack != 0x0 )
{
Int_t nparticles = (Int_t) stack->GetNtrack();
/// Dump the SDigits for a given event, sorted if requested
SDigitStore(event);
- if ( fSDigitStore )
+ if ( fSDigitStore != 0x0 )
{
if ( sorted )
{
for ( Int_t i = 0; i < ntrackrefs; ++i )
{
TrackRefs(event,i);
- if ( fTrackRefs )
+ if ( fTrackRefs != 0x0 )
{
fTrackRefs->Print("","*");
}
TriggerStore(event);
- if ( fTriggerStore )
+ if ( fTriggerStore != 0x0 )
{
fTriggerStore->Print();
}
}
-//_____________________________________________________________________________
-AliMUONVHitStore*
-AliMUONMCDataInterface::HitStore(Int_t event, Int_t track)
-{
- /// Return the hitStore for a given track of one event
- /// Return 0 if event and/or track not found
- /// Returned pointer should not be deleted
-
- if ( !IsValid() ) return 0x0;
-
- if ( LoadEvent(event) ) return 0x0;
-
- if ( fHitStore) fHitStore->Clear();
-
- fLoader->LoadHits();
-
- TTree* treeH = fLoader->TreeH();
-
- if (!treeH)
- {
- AliError("Could not get treeH");
- return 0x0;
- }
-
- if ( !fHitStore )
- {
- fHitStore = AliMUONVHitStore::Create(*treeH);
- AliDebug(1,"Creating hitStore from treeH");
- }
-
- if ( fHitStore )
- {
- fHitStore->Connect(*treeH);
- if ( treeH->GetEvent(track) == 0 )
- {
- AliError(Form("Could not read track %d",track));
- fHitStore->Clear();
- }
- }
-
- fLoader->UnloadHits();
-
- return fHitStore;
-}
-
//_____________________________________________________________________________
Bool_t
-AliMUONMCDataInterface::IsValid() const
-{
- /// Whether we were initialized properly or not
- return fIsValid;
-}
-
-//_____________________________________________________________________________
-Int_t
AliMUONMCDataInterface::LoadEvent(Int_t event)
{
/// Load event if different from the current one.
- if ( event != fCurrentEvent )
+ /// Returns kFALSE on error and kTRUE if the event was loaded.
+
+ assert( IsValid() );
+
+ AliDebug(1,Form("Loading event %d using runLoader %p",event,fLoader->GetRunLoader()));
+ if (fLoader->GetRunLoader()->GetEvent(event) == 0)
{
fCurrentEvent = event;
- AliDebug(1,Form("Loading event %d using runLoader %p",event,fLoader->GetRunLoader()));
- if ( event < NumberOfEvents() )
- {
- return fLoader->GetRunLoader()->GetEvent(event);
- }
- else
- {
- return 1;
- }
+ return kTRUE;
}
- return 0;
+ else
+ return kFALSE;
}
AliMUONMCDataInterface::NumberOfEvents() const
{
/// Number of events in the file we're connected to
- if (!IsValid()) return 0;
+ if (not IsValid()) return -1;
return fLoader->GetRunLoader()->GetNumberOfEvents();
}
AliMUONMCDataInterface::NumberOfTracks(Int_t event)
{
/// Number of tracks in the event
- if (!IsValid()) return 0;
+ if ( not IsValid()) return -1;
- if ( LoadEvent(event) ) return 0;
+ if (event != fCurrentEvent)
+ {
+ ResetStores();
+ if ( not LoadEvent(event) ) return -1;
+ }
fLoader->LoadHits();
- Int_t rv(0);
+ Int_t rv(-1);
TTree* treeH = fLoader->TreeH();
- if (treeH)
+ if (treeH != 0x0)
{
rv = static_cast<Int_t>(treeH->GetEntries());
}
AliMUONMCDataInterface::NumberOfTrackRefs(Int_t event)
{
/// Number of track references in the event
- if (!IsValid()) return 0;
+ if ( not IsValid()) return -1;
- if ( LoadEvent(event) ) return 0;
+ if (event != fCurrentEvent)
+ {
+ ResetStores();
+ if ( not LoadEvent(event) ) return -1;
+ }
fLoader->GetRunLoader()->LoadTrackRefs();
- Int_t rv(0);
+ Int_t rv(-1);
TTree* treeTR = fLoader->GetRunLoader()->TreeTR();
- if (treeTR)
+ if (treeTR != 0x0)
{
rv = static_cast<Int_t>(treeTR->GetEntries());
}
{
/// Connect to a given galice.root file
- delete fHitStore;
- fHitStore=0x0;
- delete fSDigitStore;
- fSDigitStore=0x0;
- delete fDigitStore;
- fDigitStore=0x0;
- delete fTrackRefs;
- fTrackRefs=0x0;
- delete fTriggerStore;
- fTriggerStore=0x0;
+ ResetStores();
fCurrentEvent=-1;
- if ( fLoader )
+ if ( fLoader != 0x0 )
{
delete fLoader->GetRunLoader();
}
}
AliRunLoader* runLoader = AliRunLoader::Open(filename,foldername);
- if (!runLoader)
+ if (runLoader == 0x0)
{
AliError(Form("Cannot open file %s",filename));
fIsValid = kFALSE;
}
+
+ // Get run number and set it to CDB manager
+ runLoader->LoadHeader();
+ if ( ! runLoader->GetHeader() ) {
+ AliError("Cannot load header.");
+ fIsValid = kFALSE;
+ }
+ else {
+ Int_t runNumber = runLoader->GetHeader()->GetRun();
+ AliCDBManager::Instance()->SetRun(runNumber);
+ }
+ runLoader->UnloadHeader();
+
fLoader = runLoader->GetDetectorLoader("MUON");
- if (!fLoader)
+ if (fLoader == 0x0)
{
AliError("Cannot get AliMUONLoader");
fIsValid = kFALSE;
}
- if (!IsValid())
+ if (not IsValid())
{
AliError(Form("Could not access %s filename. Object is unuseable",filename));
}
}
//_____________________________________________________________________________
-AliMUONVDigitStore*
-AliMUONMCDataInterface::SDigitStore(Int_t event)
+Bool_t AliMUONMCDataInterface::GetEvent(Int_t event)
{
- /// Return the SDigit store for a given event.
- /// Return 0 if event not found
- /// Returned pointer should not be deleted
-
- if ( LoadEvent(event) ) return 0x0;
-
- fLoader->LoadSDigits();
-
- TTree* treeS = fLoader->TreeS();
-
- if (!treeS)
+/// Loads all simulated data for the given event.
+
+ if (HitStore(event, 0) == 0x0) return kFALSE;
+ if (SDigitStore(event) == 0x0) return kFALSE;
+ if (DigitStore(event) == 0x0) return kFALSE;
+ if (TriggerStore(event) == 0x0) return kFALSE;
+ if (TrackRefs(event, 0) == 0x0) return kFALSE;
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfParticles()
+{
+/// Returns the total number of particles in the kinematics tree.
+
+ AliStack* stack = Stack(fCurrentEvent);
+ if ( stack == 0x0 ) return -1;
+ return (Int_t) stack->GetNtrack();
+}
+
+//_____________________________________________________________________________
+TParticle* AliMUONMCDataInterface::Particle(Int_t index)
+{
+/// Returns the index'th particle in the kinematics tree.
+/// @param index The index number of the particle in the range [0 ... N-1]
+/// where N = NumberOfParticles()
+
+ AliStack* stack = Stack(fCurrentEvent);
+ if ( stack == 0x0 ) return 0x0;
+ return static_cast<TParticle*>( stack->Particle(index) );
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfTracks()
+{
+/// Returns the number of primary tracks (from primary particles) in the current event.
+
+ return NumberOfTracks(fCurrentEvent);
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfHits(Int_t track)
+{
+/// Returns the number of hits for a given primary track/particle.
+/// @param track The track number in the range [0 .. N-1]
+/// where N = NumberOfTracks()
+
+ TIterator* iter = GetIterator(kHitIterator, track);
+ return CountObjects(iter);
+}
+
+//_____________________________________________________________________________
+AliMUONHit*
+AliMUONMCDataInterface::Hit(Int_t track, Int_t index)
+{
+/// Returns a pointer to the index'th hit object.
+/// @param track The track number in the range [0 .. N-1]
+/// where N = NumberOfTracks()
+/// @param index The index number of the hit in the range [0 ... M-1]
+/// where M = NumberOfHits(track)
+
+ TIterator* iter = GetIterator(kHitIterator, track);
+ return static_cast<AliMUONHit*>( FetchObject(iter, index) );
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfSDigits(Int_t detElemId)
+{
+/// Returns the number of summable digits to be found on a given detector element.
+/// @param detElemId The detector element ID number to search on.
+
+ TIterator* iter = GetIterator(kSDigitIteratorByDetectorElement, detElemId);
+ return CountObjects(iter);
+}
+
+//_____________________________________________________________________________
+AliMUONVDigit* AliMUONMCDataInterface::SDigit(Int_t detElemId, Int_t index)
+{
+/// Returns the a pointer to the index'th summable digit on the specified detector element.
+/// @param detElemId The detector element ID number to search on.
+/// @param index The index number of the digit to fetch in the range [0 .. N-1],
+/// where N = NumberOfDigits(detElemId)
+
+ TIterator* iter = GetIterator(kSDigitIteratorByDetectorElement, detElemId);
+ return static_cast<AliMUONVDigit*>( FetchObject(iter, index) );
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfSDigits(Int_t chamber, Int_t cathode)
+{
+/// Returns the number of summable digits to be found on a specific chamber and cathode.
+/// @param chamber The chamber number in the range [0 .. 13].
+/// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and
+/// 1 is the non-bending plane.
+
+ TIterator* iter = GetIterator(kSDigitIteratorByChamberAndCathode, chamber, cathode);
+ return CountObjects(iter);
+}
+
+//_____________________________________________________________________________
+AliMUONVDigit* AliMUONMCDataInterface::SDigit(Int_t chamber, Int_t cathode, Int_t index)
+{
+/// Returns the a pointer to the index'th summable digit on the specified chamber and cathode.
+/// @param chamber The chamber number in the range [0 .. 13].
+/// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and
+/// 1 is the non-bending plane.
+/// @param index The index number of the digit to fetch in the range [0 .. N-1],
+/// where N = NumberOfDigits(chamber, cathode)
+
+ TIterator* iter = GetIterator(kSDigitIteratorByChamberAndCathode, chamber, cathode);
+ return static_cast<AliMUONVDigit*>( FetchObject(iter, index) );
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfDigits(Int_t detElemId)
+{
+/// Returns the number of simulated digits to be found on a given detector element.
+/// @param detElemId The detector element ID number to search on.
+
+ TIterator* iter = GetIterator(kDigitIteratorByDetectorElement, detElemId);
+ return CountObjects(iter);
+}
+
+//_____________________________________________________________________________
+AliMUONVDigit* AliMUONMCDataInterface::Digit(Int_t detElemId, Int_t index)
+{
+/// Returns the a pointer to the index'th simulated digit on the specified detector element.
+/// @param detElemId The detector element ID number to search on.
+/// @param index The index number of the digit to fetch in the range [0 .. N-1],
+/// where N = NumberOfDigits(detElemId)
+
+ TIterator* iter = GetIterator(kDigitIteratorByDetectorElement, detElemId);
+ return static_cast<AliMUONVDigit*>( FetchObject(iter, index) );
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfDigits(Int_t chamber, Int_t cathode)
+{
+/// Returns the number of simulated digits to be found on a specific chamber and cathode.
+/// @param chamber The chamber number in the range [0 .. 13].
+/// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and
+/// 1 is the non-bending plane.
+
+ TIterator* iter = GetIterator(kDigitIteratorByChamberAndCathode, chamber, cathode);
+ return CountObjects(iter);
+}
+
+//_____________________________________________________________________________
+AliMUONVDigit* AliMUONMCDataInterface::Digit(Int_t chamber, Int_t cathode, Int_t index)
+{
+/// Returns the a pointer to the index'th simulated digit on the specified chamber and cathode.
+/// @param chamber The chamber number in the range [0 .. 13].
+/// @param cathode The cathode in the range [0 .. 1], where 0 is the bending and
+/// 1 is the non-bending plane.
+/// @param index The index number of the digit to fetch in the range [0 .. N-1],
+/// where N = NumberOfDigits(chamber, cathode)
+
+ TIterator* iter = GetIterator(kDigitIteratorByChamberAndCathode, chamber, cathode);
+ return static_cast<AliMUONVDigit*>( FetchObject(iter, index) );
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfLocalTriggers()
+{
+/// Returns the number of simulated local trigger objects.
+
+ TIterator* iter = GetIterator(kLocalTriggerIterator);
+ return CountObjects(iter);
+}
+
+//_____________________________________________________________________________
+AliMUONLocalTrigger* AliMUONMCDataInterface::LocalTrigger(Int_t index)
+{
+/// Returns a pointer to the index'th simulated local trigger object.
+/// @param index The index number of the local trigger object to fetch in the range [0 .. N-1],
+/// where N = NumberOfLocalTriggers()
+
+ TIterator* iter = GetIterator(kLocalTriggerIterator);
+ return static_cast<AliMUONLocalTrigger*>( FetchObject(iter, index) );
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfRegionalTriggers()
+{
+/// Returns the number of simulated regional trigger objects.
+
+ TIterator* iter = GetIterator(kRegionalTriggerIterator);
+ return CountObjects(iter);
+}
+
+//_____________________________________________________________________________
+AliMUONRegionalTrigger* AliMUONMCDataInterface::RegionalTrigger(Int_t index)
+{
+/// Returns a pointer to the index'th simulated regional trigger object.
+/// @param index The index number of the regional trigger object to fetch in the range [0 .. N-1],
+/// where N = NumberOfRegionalTriggers()
+
+ TIterator* iter = GetIterator(kRegionalTriggerIterator);
+ return static_cast<AliMUONRegionalTrigger*>( FetchObject(iter, index) );
+}
+
+//_____________________________________________________________________________
+AliMUONGlobalTrigger* AliMUONMCDataInterface::GlobalTrigger()
+{
+/// Returns a pointer to the simulated global trigger object for the event.
+
+ AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent);
+ if (store == 0x0) return 0x0;
+ return store->Global();
+}
+
+//_____________________________________________________________________________
+Int_t AliMUONMCDataInterface::NumberOfTrackRefs()
+{
+/// Number of track references in the currently selected event.
+
+ return NumberOfTrackRefs(fCurrentEvent);
+}
+
+//_____________________________________________________________________________
+TClonesArray* AliMUONMCDataInterface::TrackRefs(Int_t track)
+{
+/// Returns the track references for a given track in the current event.
+/// @param track The track to returns track references for. In the range [0 .. N-1]
+/// where N = NumberOfTrackRefs()
+
+ return TrackRefs(fCurrentEvent, track);
+}
+
+//_____________________________________________________________________________
+void AliMUONMCDataInterface::ResetStores()
+{
+/// Deletes all the store objects that have been created and resets the pointers to 0x0.
+/// The temporary iterator object is automatically reset. See ResetIterator for more details.
+
+ ResetIterator();
+ if (fHitStore != 0x0)
{
- AliError("Could not get treeS");
- return 0x0;
+ delete fHitStore;
+ fHitStore = 0x0;
}
-
- if (!fSDigitStore)
+ if (fSDigitStore != 0x0)
+ {
+ delete fSDigitStore;
+ fSDigitStore = 0x0;
+ }
+ if (fDigitStore != 0x0)
+ {
+ delete fDigitStore;
+ fDigitStore = 0x0;
+ }
+ if (fTrackRefs != 0x0)
+ {
+ delete fTrackRefs;
+ fTrackRefs = 0x0;
+ }
+ if (fTriggerStore != 0x0)
{
- fSDigitStore = AliMUONVDigitStore::Create(*treeS);
+ delete fTriggerStore;
+ fTriggerStore = 0x0;
}
+}
+
+//_____________________________________________________________________________
+TIterator* AliMUONMCDataInterface::GetIterator(IteratorType type, Int_t x, Int_t y)
+{
+/// Creates an appropriate iterator object and returns it.
+/// If the iterator has already been created then that one is returned otherwise
+/// a new object is created.
+/// Depending on the value of 'type' the semantics of parameters x and y can change.
+/// @param type The type of iterator to create.
+/// @param x This is the detector element ID if type equals kDigitIteratorByDetectorElement
+/// or kSDigitIteratorByDetectorElement.
+/// If type equals kDigitIteratorByChamberAndCathode or
+/// kSDigitIteratorByChamberAndCathode then this is the chamber number.
+/// For type == kHitIterator the parameter x is the track number.
+/// In all other cases this parameter is ignored.
+/// @param y If type equals kDigitIteratorByChamberAndCathode or
+/// kSDigitIteratorByChamberAndCathode then this parameter is the cathode
+/// number. In all other cases this parameter is ignored.
+
+ if (type == fCurrentIteratorType and fDataX == x and fDataY == y)
+ return fIterator;
- if ( fSDigitStore )
+ if (fCurrentEvent == -1)
{
- fSDigitStore->Clear();
- fSDigitStore->Connect(*treeS);
- treeS->GetEvent(0);
+ AliError("No event was selected. Try first using GetEvent().");
+ return 0x0;
}
- fLoader->UnloadSDigits();
+ ResetIterator();
- return fSDigitStore;
+ switch (type)
+ {
+ case kHitIterator:
+ {
+ Int_t track = x;
+ AliMUONVHitStore* store = HitStore(fCurrentEvent, track);
+ if (store == 0x0) return 0x0;
+ fIterator = store->CreateIterator();
+ if (fIterator == 0x0) return 0x0;
+ fCurrentIteratorType = kHitIterator;
+ return fIterator;
+ }
+
+ case kSDigitIteratorByDetectorElement:
+ {
+ Int_t detElem = x;
+ AliMUONVDigitStore* store = SDigitStore(fCurrentEvent);
+ if (store == 0x0) return 0x0;
+ fIterator = store->CreateIterator(detElem, detElem, 2);
+ if (fIterator == 0x0) return 0x0;
+ fCurrentIteratorType = kSDigitIteratorByDetectorElement;
+ fDataX = detElem;
+ return fIterator;
+ }
+
+ case kSDigitIteratorByChamberAndCathode:
+ {
+ Int_t chamber = x;
+ Int_t cathode = y;
+ if (chamber < 0 or AliMpConstants::NofChambers() <= chamber)
+ {
+ AliError(Form(
+ "Must have give a chamber value in the range [0..%d], but got a value of: %d",
+ AliMpConstants::NofChambers() - 1,
+ chamber
+ ));
+ return 0x0;
+ }
+ if (cathode < 0 or 1 < cathode)
+ {
+ AliError(Form("Must have give a cathode value in the range [0..1], but got a value of: %d", cathode));
+ return 0x0;
+ }
+
+ AliMUONVDigitStore* store = SDigitStore(fCurrentEvent);
+ if (store == 0x0) return 0x0;
+ MpPair_t pair = AliMpDEManager::GetDetElemIdRange(chamber);
+ fIterator = store->CreateIterator(AliMp::PairFirst(pair), AliMp::PairSecond(pair), cathode);
+ if (fIterator == 0x0) return 0x0;
+ fCurrentIteratorType = kSDigitIteratorByChamberAndCathode;
+ fDataX = chamber;
+ fDataY = cathode;
+ return fIterator;
+ }
+
+ case kDigitIteratorByDetectorElement:
+ {
+ Int_t detElem = x;
+ AliMUONVDigitStore* store = DigitStore(fCurrentEvent);
+ if (store == 0x0) return 0x0;
+ fIterator = store->CreateIterator(detElem, detElem, 2);
+ if (fIterator == 0x0) return 0x0;
+ fCurrentIteratorType = kDigitIteratorByDetectorElement;
+ fDataX = detElem;
+ return fIterator;
+ }
+
+ case kDigitIteratorByChamberAndCathode:
+ {
+ Int_t chamber = x;
+ Int_t cathode = y;
+ if (chamber < 0 or AliMpConstants::NofChambers() <= chamber)
+ {
+ AliError(Form(
+ "Must have give a chamber value in the range [0..%d], but got a value of: %d",
+ AliMpConstants::NofChambers() - 1,
+ chamber
+ ));
+ return 0x0;
+ }
+ if (cathode < 0 or 1 < cathode)
+ {
+ AliError(Form("Must have give a cathode value in the range [0..1], but got a value of: %d", cathode));
+ return 0x0;
+ }
+
+ AliMUONVDigitStore* store = DigitStore(fCurrentEvent);
+ if (store == 0x0) return 0x0;
+ MpPair_t pair = AliMpDEManager::GetDetElemIdRange(chamber);
+ fIterator = store->CreateIterator(AliMp::PairFirst(pair), AliMp::PairSecond(pair), cathode);
+ if (fIterator == 0x0) return 0x0;
+ fCurrentIteratorType = kDigitIteratorByChamberAndCathode;
+ fDataX = chamber;
+ fDataY = cathode;
+ return fIterator;
+ }
+
+ case kLocalTriggerIterator:
+ {
+ AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent);
+ if (store == 0x0) return 0x0;
+ fIterator = store->CreateLocalIterator();
+ if (fIterator == 0x0) return 0x0;
+ fCurrentIteratorType = kLocalTriggerIterator;
+ return fIterator;
+ }
+
+ case kRegionalTriggerIterator:
+ {
+ AliMUONVTriggerStore* store = TriggerStore(fCurrentEvent);
+ if (store == 0x0) return 0x0;
+ fIterator = store->CreateRegionalIterator();
+ if (fIterator == 0x0) return 0x0;
+ fCurrentIteratorType = kRegionalTriggerIterator;
+ return fIterator;
+ }
+
+ default:
+ return 0x0;
+ }
}
//_____________________________________________________________________________
-AliStack*
-AliMUONMCDataInterface::Stack(Int_t event)
+void AliMUONMCDataInterface::ResetIterator()
{
- /// Get the Stack (list of generated particles) for one event
- /// Returned pointer should not be deleted
-
- if (!IsValid()) return 0x0;
+/// The temporary iterator object is deleted if it exists and the pointer reset to 0x0.
+/// The iterator type and temporary data indicating the state of the iterator are
+/// also reset.
- if ( LoadEvent(event) ) return 0;
-
- fLoader->GetRunLoader()->LoadKinematics();
-
- return fLoader->GetRunLoader()->Stack();
+ if (fIterator != 0x0) delete fIterator;
+ fCurrentIteratorType = kNoIterator;
+ fCurrentIndex = fDataX = fDataY = -1;
+ fIterator = 0x0;
}
//_____________________________________________________________________________
-TClonesArray*
-AliMUONMCDataInterface::TrackRefs(Int_t event, Int_t track)
+Int_t AliMUONMCDataInterface::CountObjects(TIterator* iter)
{
- /// Get the track references for a given (generated) track of one event
- /// Returned pointer should not be deleted
-
- if ( !IsValid() ) return 0x0;
+/// Counts the number of objects in the iterator and resets it.
+/// @return The number of objects in 'iter'.
- if ( LoadEvent(event) ) return 0;
-
- fLoader->GetRunLoader()->LoadTrackRefs();
-
- TTree* treeTR = fLoader->GetRunLoader()->TreeTR();
-
- if ( fTrackRefs ) fTrackRefs->Clear("C");
-
- if (treeTR)
- {
- if ( treeTR->GetEvent(track) > 0 )
- {
- TBranch* branch = treeTR->GetBranch("MUON");
- branch->SetAddress(&fTrackRefs);
- branch->GetEvent(track);
- }
- }
- else
- {
- AliError("Could not get TreeTR");
- }
-
- fLoader->GetRunLoader()->UnloadTrackRefs();
-
- return fTrackRefs;
+ if (iter == 0x0) return -1;
+ Int_t count = 0;
+ iter->Reset();
+ while ( iter->Next() != 0x0 ) count++;
+ iter->Reset();
+ fCurrentIndex = -1;
+ return count;
}
//_____________________________________________________________________________
-AliMUONVTriggerStore*
-AliMUONMCDataInterface::TriggerStore(Int_t event)
+TObject* AliMUONMCDataInterface::FetchObject(TIterator* iter, Int_t index)
{
- /// Return the triggerStore for a given event.
- /// Return 0x0 if event not found.
- /// Returned pointer should not be deleted.
-
- if ( LoadEvent(event) ) return 0x0;
-
- fLoader->LoadDigits();
-
- TTree* treeD = fLoader->TreeD();
-
- if ( !treeD )
+/// Fetches the index'th object from the iterator counting the first object
+/// returned by iterator after it is reset as index == 0. The next object
+/// has index == 1 and so on where the last object returned by the iterator
+/// has index == N-1 where N = CountObjects(iter)
+/// This method will only reset the iterator if index is smaller than
+/// fCurrentIndex, which is used to track the iteration progress and is
+/// updated when a new object if returned by this method.
+/// @param iter The iterator to fetch an object from.
+/// @param index The index number of the object to fetch in the range [0 .. N-1]
+/// where N = CountObjects(iter)
+
+ if (index < 0)
{
- AliError("Could not get treeD");
+ AliError(Form("Index is out of bounds. Got a value of %d.", index));
return 0x0;
}
-
- if (!fTriggerStore)
+
+ if (iter == 0x0) return 0x0;
+ if (index <= fCurrentIndex)
{
- fTriggerStore = AliMUONVTriggerStore::Create(*treeD);
+ iter->Reset();
+ fCurrentIndex = -1;
}
- if ( fTriggerStore )
+ TObject* object = 0x0;
+ while (fCurrentIndex < index)
{
- fTriggerStore->Clear();
- fTriggerStore->Connect(*treeD);
- treeD->GetEvent(0);
+ object = iter->Next();
+ if (object == 0x0)
+ {
+ AliError(Form("Index is out of bounds. Got a value of %d.", index));
+ iter->Reset();
+ fCurrentIndex = -1;
+ return 0x0;
+ }
+ fCurrentIndex++;
}
-
- fLoader->UnloadDigits();
-
- return fTriggerStore;
+ return object;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff