/// \brief Easy to use data access to MC information
///
// Author Laurent Aphecetche
+//
+// Moved parts of old AliMUONDataInterface interface to AliMUONMCDataInterface
+// Artur Szostak <artursz@iafrica.com> (University of Cape Town)
#ifndef ROOT_TObject
# include "TObject.h"
#endif
-class AliLoader;
-class AliMUONVDigitStore;
-class AliMUONVHitStore;
class AliMUONVStore;
+class AliMUONVHitStore;
+class AliMUONVDigitStore;
class AliMUONVTriggerStore;
+class AliMUONHit;
+class AliMUONVDigit;
+class AliMUONLocalTrigger;
+class AliMUONRegionalTrigger;
+class AliMUONGlobalTrigger;
+
+class AliLoader;
class AliStack;
+
+class TIterator;
class TClonesArray;
+class TParticle;
class AliMUONMCDataInterface : public TObject
{
void Open(const char* filename);
- Bool_t IsValid() const;
+ /// Returns true if the data interface was able to open the root file correctly.
+ Bool_t IsValid() const { return fIsValid; };
Int_t NumberOfEvents() const;
+ /// Returns the index number of the current event as used int GetEvent(Int_t).
+ Int_t CurrentEvent() const { return fCurrentEvent; }
+
Int_t NumberOfTracks(Int_t event);
Int_t NumberOfTrackRefs(Int_t event);
AliMUONVHitStore* HitStore(Int_t event, Int_t track);
AliMUONVDigitStore* SDigitStore(Int_t event);
AliMUONVDigitStore* DigitStore(Int_t event);
- AliStack* Stack(Int_t event);
+ AliStack* Stack(Int_t event);
TClonesArray* TrackRefs(Int_t event, Int_t track);
AliMUONVTriggerStore* TriggerStore(Int_t event);
void DumpTrackRefs(Int_t event);
void DumpTrigger(Int_t event);
+ Bool_t GetEvent(Int_t event = 0);
+
+ // Note the following methods can be extremely slow. Remember they are only
+ // here for end user convenience for his/her small tests and macros.
+ // If you want speed then don't use these methods. If you really want peak
+ // performance then you should be talking to the AliRunLoader and Store
+ // objects directly.
+ Int_t NumberOfParticles();
+ TParticle* Particle(Int_t index);
+ Int_t NumberOfTracks();
+ Int_t NumberOfHits(Int_t track);
+ AliMUONHit* Hit(Int_t track, Int_t index);
+ Int_t NumberOfSDigits(Int_t detElemId);
+ AliMUONVDigit* SDigit(Int_t detElemId, Int_t index);
+ Int_t NumberOfSDigits(Int_t chamber, Int_t cathode);
+ AliMUONVDigit* SDigit(Int_t chamber, Int_t cathode, Int_t index);
+ Int_t NumberOfDigits(Int_t detElemId);
+ AliMUONVDigit* Digit(Int_t detElemId, Int_t index);
+ Int_t NumberOfDigits(Int_t chamber, Int_t cathode);
+ AliMUONVDigit* Digit(Int_t chamber, Int_t cathode, Int_t index);
+ Int_t NumberOfLocalTriggers();
+ AliMUONLocalTrigger* LocalTrigger(Int_t index);
+ Int_t NumberOfRegionalTriggers();
+ AliMUONRegionalTrigger* RegionalTrigger(Int_t index);
+ AliMUONGlobalTrigger* GlobalTrigger();
+ Int_t NumberOfTrackRefs();
+ TClonesArray* TrackRefs(Int_t track);
+
private:
+
+ /// The various identifiers for the type of iterator constructed.
+ enum IteratorType
+ {
+ kNoIterator, ///< No iterator was constructed.
+ kHitIterator, ///< An iterator to iterate over the hits.
+ kSDigitIteratorByDetectorElement, ///< A summable digit iterator to iterate over the detector elements.
+ kSDigitIteratorByChamberAndCathode, ///< A summable digit iterator to iterate over chambers and cathodes.
+ kDigitIteratorByDetectorElement, ///< An iterator for simulated digits to iterate over the detector elements.
+ kDigitIteratorByChamberAndCathode, ///< An iterator for simulated digits to iterate over chambers and cathodes.
+ kLocalTriggerIterator, ///< An iterator for iterating over the simulated local triggers.
+ kRegionalTriggerIterator ///< An iterator for iterating over the simulated regional triggers.
+ };
+
/// Not implemented
AliMUONMCDataInterface(const AliMUONMCDataInterface&);
/// Not implemented
AliMUONMCDataInterface& operator=(const AliMUONMCDataInterface&);
void DumpSorted(const AliMUONVStore& store) const;
- Int_t LoadEvent(Int_t event);
+ Bool_t LoadEvent(Int_t event);
+
+ void ResetStores();
+
+ TIterator* GetIterator(IteratorType type, Int_t x = 0, Int_t y = 0);
+ void ResetIterator();
+
+ Int_t CountObjects(TIterator* iter);
+ TObject* FetchObject(TIterator* iter, Int_t index);
-private:
AliLoader* fLoader; //!< Tree accessor
AliMUONVHitStore* fHitStore; //!< current hit store (owner)
Int_t fCurrentEvent; //!< Current event we've read in
Bool_t fIsValid; //!< whether we were initialized properly or not
+ IteratorType fCurrentIteratorType; //!< The type of iterator that is currently set.
+ Int_t fCurrentIndex; //!< A current index number maintained for certain iteration operations.
+ Int_t fDataX; //!< Extra data parameter about the iterator, can be the chamber number, detector element or track number.
+ Int_t fDataY; //!< Extra data parameter about the iterator, can be the cathode number.
+ TIterator* fIterator; //!< Iterator for various iteration operations.
+
static Int_t fgInstanceCounter; //!< To build unique folder name for each instance
ClassDef(AliMUONMCDataInterface,0) // Easy to use MC data accessor