]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - HBTAN/AliHBTPositionRandomizer.h
Incrementing class versions
[u/mrichter/AliRoot.git] / HBTAN / AliHBTPositionRandomizer.h
index a8a062b23ef28fde9e7fd7d4568170378c0b720a..a5c1398e3195a3f4b13bef3264c917c6d22a50b9 100644 (file)
 #ifndef ALIHBTPOSITIONRANDOMIZER_H
 #define ALIHBTPOSITIONRANDOMIZER_H
+//___________________________________________________
+////////////////////////////////////////////////////////////////////////////////
+// 
+// class AliHBTPositionRandomizer
+//
+// These class randomizes particle vertex positions
+// Piotr.Skowronski@cern.ch
+// 
+////////////////////////////////////////////////////////////////////////////////
 
-#include "AliHBTReader.h"
-
+#include "AliReader.h"
 class AliHBTRndm;
-class AliHBTEvent;
-class AliHBTRun;
-class AliHBTParticle;
+class TH1I;
 
-class AliHBTPositionRandomizer: public AliHBTReader
+class AliHBTPositionRandomizer: public AliReader
 {
  public:
-   enum EModelTypes{kGausBall,kCylinder,kCylinderSurf};
+   enum EModelTypes{kGausBall,kCylinder,kCylinderSurf,kEllipse};
    AliHBTPositionRandomizer();
-   AliHBTPositionRandomizer(AliHBTReader* reader);
+   AliHBTPositionRandomizer(AliReader* reader);
+   AliHBTPositionRandomizer(const AliHBTPositionRandomizer& in);
+   
+   virtual ~AliHBTPositionRandomizer();
+
+   AliHBTPositionRandomizer& operator=(const AliHBTPositionRandomizer& in);
    
    Int_t  Next(){return (fReader)?fReader->Next():1;}
    void   Rewind(){if(fReader) fReader->Rewind();}
    
-   Bool_t ReadsTracks() const {return (fReader)?fReader->ReadsTracks():kFALSE;}
-   Bool_t ReadsParticles() const {return (fReader)?fReader->ReadsParticles():kFALSE;}
-   
-   Int_t  Read(AliHBTRun* particles, AliHBTRun *tracks);
+   Bool_t ReadsRec() const {return (fReader)?fReader->ReadsRec():kFALSE;}
+   Bool_t ReadsSim() const {return (fReader)?fReader->ReadsSim():kFALSE;}
    
-   AliHBTEvent* GetParticleEvent() ;
-   AliHBTEvent* GetTrackEvent() ;
+   AliAOD* GetEventSim() const ;
+   AliAOD* GetEventRec() const ;
 
-   AliHBTEvent* GetParticleEvent(Int_t n);
-   AliHBTEvent* GetTrackEvent(Int_t n){return (fReader)?fReader->GetTrackEvent(n):0x0;}
-   Int_t GetNumberOfPartEvents(){return (fReader)?fReader->GetNumberOfPartEvents():0;}
-   Int_t GetNumberOfTrackEvents(){return (fReader)?fReader->GetNumberOfTrackEvents():0;}
+   AliAOD* GetEventSim(Int_t n);
+   AliAOD* GetEventRec(Int_t n){return (fReader)?fReader->GetEventRec(n):0x0;}
    
-   void Randomize(AliHBTEvent* event);
-   void Randomize(AliHBTRun* run);
+   Int_t GetNumberOfSimEvents(){return (fReader)?fReader->GetNumberOfSimEvents():0;}
+   Int_t GetNumberOfRecEvents(){return (fReader)?fReader->GetNumberOfRecEvents():0;}
+   virtual TH1I* GetTrackCounter() const {return (fReader)?fReader->GetTrackCounter():0x0;}
+   virtual void  WriteTrackCounter() const {if(fReader) fReader->WriteTrackCounter();}
+
+   void Randomize(AliAOD* event) const;
    void SetEventVertex(Double_t x, Double_t y,Double_t z);
    
-   void SetGaussianBall(Double_t r);
-   void SetGaussianBall(Double_t rx, Double_t ry, Double_t rz);
-   void SetCyllinderSurface(Double_t r, Double_t l);
+   void SetRandomizer(Int_t pid,AliHBTRndm* rndm);
+   
+   void SetGaussianBall(Int_t pid, Double_t r, Double_t meantime, Double_t sigmatime);
+   void SetGaussianBall(Int_t pid, Double_t rx, Double_t ry, Double_t rz, Double_t meantime, Double_t sigmatime);
+   void SetCyllinderSurface(Int_t pid, Double_t r, Double_t l);
+   void SetEllipse(Int_t pid, Double_t rmin, Double_t rmax);
+   
+   void AddToPosition(Bool_t flag){fAddToExistingPos = flag;}
+   void RandomizeTracks(Bool_t flag){fRandomizeTracks = flag;}
+   
+   AliHBTRndm* GetRandomizer(Int_t pdg) const;
+   Int_t GetRandomizerIndex(Int_t pdg) const;
    
  protected:
-   void Randomize(Double_t& x,Double_t& y,Double_t&z, AliHBTParticle*p);
+   void Randomize(Double_t& x,Double_t& y,Double_t&z,AliVAODParticle*p);
    Int_t ReadNext(){return (fReader)?fReader->Next():1;}
- private:
-   AliHBTReader* fReader;
-   AliHBTRndm*   fRandomizer;
    
-   Int_t    fModel;
+ private:
+   AliReader*   fReader;      // Pointer to reader
+   AliHBTRndm*  fDefaultRandomizer;  // Pointer to class that performs randomization according to some model - default one
+   TObjArray*   fRandomizers;//array with randomizers - each particle type can have different randomization parameters/model
+   Int_t        fNPid;//number of randomizers defined in fPid and fRandomizers
+   Int_t*       fPids;//[fgkNumberOfPids]
    
-   Bool_t   fAddToExistingPos;
-   Bool_t   fOnlyParticlesFromVertex;
+   Bool_t       fAddToExistingPos;  //Determines if randomized position should be added to previous one, or overwrite old one
+   Bool_t       fOnlyParticlesFromVertex; //Determines if randomization should be performed for particles from vertex
 
-   Double_t fVX; //vertex position
-   Double_t fVY; //vertex position
-   Double_t fVZ; //vertex position
+   Bool_t       fRandomizeTracks; //Determines if tracks should also be randimized 
+   
+   Double_t     fVX; //vertex position
+   Double_t     fVY; //vertex position
+   Double_t     fVZ; //vertex position
+   
+   static const Int_t fgkNumberOfPids;//size of fPid array
    
    ClassDef(AliHBTPositionRandomizer,1)
 };
 
+/*********************************************************************/
+/*********************************************************************/
+/*********************************************************************/
+
 class AliHBTRndm: public TObject
 {
   public:
    AliHBTRndm(){}
-   ~AliHBTRndm(){}
-   virtual void Randomize(Double_t& x,Double_t& y,Double_t&z, AliHBTParticle*p) = 0;
-   ClassDef(AliHBTRndm,1)
+   virtual ~AliHBTRndm(){}
+   virtual void Randomize(Double_t& x, Double_t& y, Double_t& z, Double_t& t, AliVAODParticle*p) const = 0;
+     ClassDef(AliHBTRndm,1)
 };
 
+/*********************************************************************/
+/*********************************************************************/
+/*********************************************************************/
+
 class AliHBTRndmGaussBall: public AliHBTRndm
 {
   public:
    AliHBTRndmGaussBall();
-   AliHBTRndmGaussBall(Float_t r);
-   AliHBTRndmGaussBall(Float_t rx, Float_t ry, Float_t rz);
-   ~AliHBTRndmGaussBall(){}
-   void Randomize(Double_t& x,Double_t& y,Double_t&z, AliHBTParticle*/*particle*/);
+   AliHBTRndmGaussBall(Float_t r, Double_t meantime, Double_t sigmatime);
+   AliHBTRndmGaussBall(Float_t rx, Float_t ry, Float_t rz, Double_t meantime, Double_t sigmatime);
+   virtual ~AliHBTRndmGaussBall(){}
+   void Randomize(Double_t& x,Double_t& y,Double_t&z, Double_t& t, AliVAODParticle*/*particle*/) const;
   private:
-   Float_t fRx;
-   Float_t fRy;
-   Float_t fRz;
+   Float_t fRx; //Dispertion in x 
+   Float_t fRy; //Dispertion in y
+   Float_t fRz; //Dispertion in z
+   Float_t fTmean; //Mean emision time in t
+   Float_t fTsigma; //Dispertion in t
    ClassDef(AliHBTRndmGaussBall,1)
 };
 
+/*********************************************************************/
+/*********************************************************************/
+/*********************************************************************/
+
 class AliHBTRndmCyllSurf: public AliHBTRndm
 {
   public:
    AliHBTRndmCyllSurf():fR(0.0){}
    AliHBTRndmCyllSurf(Float_t r, Float_t l):fR(r),fL(l){}
-   ~AliHBTRndmCyllSurf(){}
+   virtual ~AliHBTRndmCyllSurf(){}
    
-   void Randomize(Double_t& x,Double_t& y,Double_t&z, AliHBTParticle* particle);
+   void Randomize(Double_t& x,Double_t& y,Double_t&z, Double_t& /*t*/t, AliVAODParticle* particle) const;
   private:
-   Float_t fR;
-   Float_t fL;
+   Float_t fR; //Redius of cylinder
+   Float_t fL; //Length of cylinder
  
    ClassDef(AliHBTRndmCyllSurf,1)
 };
 
+/*********************************************************************/
+/*********************************************************************/
+/*********************************************************************/
+
+class AliHBTRndmEllipse: public AliHBTRndm
+{
+  public:
+   AliHBTRndmEllipse():fRmin(0.),fRmax(0.){};
+   AliHBTRndmEllipse(Float_t rmin, Float_t rmax);
+   virtual ~AliHBTRndmEllipse(){}
+   
+   void Randomize(Double_t& x,Double_t& y, Double_t& z,  Double_t& , AliVAODParticle* particle) const;
+  private:
+   Float_t fRmin; //Radius in x direction
+   Float_t fRmax; //Radius in y direction
+   ClassDef(AliHBTRndmEllipse,2)
+};
+
+
+
 #endif