PWG2/FEMTOSCOPY/AliFemto/AliFemtoAnalysis.h

   1 /**************************************************************************
   2  AliFemtoAnalysis - the most basic analysis there is.
   3  Most others (e.g. AliFemtoVertexAnalysis) wrap this one.
   4 **************************************************************************/
   5
   6 #ifndef ALIFEMTOANALYSIS_H
   7 #define ALIFEMTOANALYSIS_H
   8 //#ifndef StMaker_H
   9 //#include "StMaker.h"
  10 //#endif
  11
  12 #include "AliFemtoBaseAnalysis.h"        // base analysis class
  13 #include "AliFemtoPairCut.h"
  14 #include "AliFemtoEventCut.h"
  15 #include "AliFemtoParticleCut.h"
  16 #include "AliFemtoCorrFctn.h"
  17 #include "AliFemtoCorrFctnCollection.h"
  18 #include "AliFemtoPicoEventCollection.h"
  19 #include "AliFemtoParticleCollection.h"
  20 #include "AliFemtoPicoEvent.h"
  21
  22 class AliFemtoPicoEventCollectionVectorHideAway;
  23
  24 class AliFemtoAnalysis : public AliFemtoBaseAnalysis {
  25
  26   // friend class AliFemtoLikeSignAnalysis;
  27
  28  public:
  29   AliFemtoAnalysis();
  30   AliFemtoAnalysis(const AliFemtoAnalysis& OriginalAnalysis);  // copy constructor
  31   virtual ~AliFemtoAnalysis();
  32
  33   AliFemtoAnalysis& operator=(const AliFemtoAnalysis& aAna);
  34
  35   // Gets and Sets
  36
  37   virtual AliFemtoPairCut*       PairCut();
  38   virtual AliFemtoEventCut*      EventCut();
  39   virtual AliFemtoParticleCut*   FirstParticleCut();
  40   virtual AliFemtoParticleCut*   SecondParticleCut();
  41
  42   AliFemtoCorrFctnCollection* CorrFctnCollection();
  43   virtual AliFemtoCorrFctn* CorrFctn(int n);     // Access to CFs within the collection
  44   void AddCorrFctn(AliFemtoCorrFctn* AnotherCorrFctn);
  45
  46   void SetPairCut(AliFemtoPairCut* ThePairCut);
  47   void SetEventCut(AliFemtoEventCut* TheEventCut);
  48   void SetFirstParticleCut(AliFemtoParticleCut* TheFirstParticleCut);
  49   void SetSecondParticleCut(AliFemtoParticleCut* TheSecondParticleCut);
  50
  51   void SetMinSizePartCollection(unsigned int minSize);
  52
  53   unsigned int NumEventsToMix() const;
  54   void SetNumEventsToMix(const unsigned int& NumberOfEventsToMix);
  55   AliFemtoPicoEvent* CurrentPicoEvent();
  56   AliFemtoPicoEventCollection* MixingBuffer();
  57   bool MixingBufferFull();
  58
  59   bool AnalyzeIdenticalParticles() const;
  60   virtual AliFemtoString Report();       //! returns reports of all cuts applied and correlation functions being done
  61
  62   virtual void EventBegin(const AliFemtoEvent* TheEventToBegin); // startup for EbyE
  63   virtual void ProcessEvent(const AliFemtoEvent* EventToProcess);
  64   virtual void EventEnd(const AliFemtoEvent* TheEventToWrapUp);   // cleanup for EbyE
  65   int GetNeventsProcessed() const;
  66
  67   virtual void Finish();
  68
  69  protected:
  70
  71   void AddEventProcessed();
  72   void MakePairs(const char* type,
  73                  AliFemtoParticleCollection* ParticlesPassingCut1,
  74                  AliFemtoParticleCollection* ParticlesPssingCut2=0);
  75
  76   AliFemtoPicoEventCollectionVectorHideAway* fPicoEventCollectionVectorHideAway;  /* Mixing Buffer used for Analyses which wrap this one */
  77
  78   AliFemtoPairCut*             fPairCut;             /* cut applied to pairs */
  79   AliFemtoCorrFctnCollection*  fCorrFctnCollection;  /* correlation functions of this analysis */
  80   AliFemtoEventCut*            fEventCut;            /* cut to select events */
  81   AliFemtoParticleCut*         fFirstParticleCut;    /* select particles of type #1 */
  82   AliFemtoParticleCut*         fSecondParticleCut;   /* select particles of type #2 */
  83   AliFemtoPicoEventCollection* fMixingBuffer;        /* mixing buffer used in this simplest analysis */
  84   AliFemtoPicoEvent*           fPicoEvent;           /* The current event, in the small (pico) form */
  85   unsigned int fNumEventsToMix;                      /* How many "previous" events get mixed with this one, to make background */
  86   unsigned int fNeventsProcessed;                    /* How many events processed so far */
  87
  88   unsigned int fMinSizePartCollection;               /* Don't use event if it has fewer than this many particles passing ParticleCuts default 0*/
  89
  90 #ifdef __ROOT__
  91   ClassDef(AliFemtoAnalysis, 0)
  92 #endif
  93
  94     };
  95
  96 // Get's
  97 inline AliFemtoPairCut*              AliFemtoAnalysis::PairCut() {return fPairCut;}
  98 inline AliFemtoEventCut*             AliFemtoAnalysis::EventCut() {return fEventCut;}
  99 inline AliFemtoParticleCut*          AliFemtoAnalysis::FirstParticleCut() {return fFirstParticleCut;}
 100 inline AliFemtoParticleCut*          AliFemtoAnalysis::SecondParticleCut() {return fSecondParticleCut;}
 101 inline AliFemtoCorrFctnCollection*   AliFemtoAnalysis::CorrFctnCollection() {return fCorrFctnCollection;}
 102 inline unsigned int                  AliFemtoAnalysis::NumEventsToMix() const {return fNumEventsToMix;}
 103 inline AliFemtoPicoEvent*            AliFemtoAnalysis::CurrentPicoEvent() {return fPicoEvent;}
 104
 105 inline AliFemtoPicoEventCollection*  AliFemtoAnalysis::MixingBuffer() {return fMixingBuffer;}
 106
 107 inline bool AliFemtoAnalysis::AnalyzeIdenticalParticles() const { return (fFirstParticleCut==fSecondParticleCut); }
 108
 109 // Set's
 110 inline void AliFemtoAnalysis::SetPairCut(AliFemtoPairCut* x) { fPairCut = x; x->SetAnalysis((AliFemtoBaseAnalysis*)this);}
 111 inline void AliFemtoAnalysis::AddCorrFctn(AliFemtoCorrFctn* cf) {fCorrFctnCollection->push_back(cf); cf->SetAnalysis((AliFemtoBaseAnalysis*)this);}
 112 inline void AliFemtoAnalysis::SetEventCut(AliFemtoEventCut* x) {fEventCut = x; x->SetAnalysis((AliFemtoBaseAnalysis*)this);}
 113 inline void AliFemtoAnalysis::SetFirstParticleCut(AliFemtoParticleCut* x) {fFirstParticleCut = x; x->SetAnalysis((AliFemtoBaseAnalysis*)this);}
 114 inline void AliFemtoAnalysis::SetSecondParticleCut(AliFemtoParticleCut* x) {fSecondParticleCut = x; x->SetAnalysis((AliFemtoBaseAnalysis*)this);}
 115
 116 inline void AliFemtoAnalysis::SetNumEventsToMix(const unsigned int& nmix){ fNumEventsToMix = nmix;}
 117 inline bool AliFemtoAnalysis::MixingBufferFull(){return (fMixingBuffer->size() >= fNumEventsToMix);}
 118 inline int AliFemtoAnalysis::GetNeventsProcessed() const {return fNeventsProcessed;}
 119
 120 inline void AliFemtoAnalysis::SetMinSizePartCollection(unsigned int minSize){fMinSizePartCollection = minSize;}
 121
 122 #endif