- AliGenParam();
- AliGenParam(Int_t npart, Param_t param);
-// Double_t (*PtPara)(Double_t*, Double_t*),
-// Double_t (*YPara )(Double_t*, Double_t*));
- virtual ~AliGenParam();
- virtual void Generate();
- virtual void Init();
- // select particle type
- virtual void SetParam(Param_t param=jpsi_p) {fParam=param;}
- // force decay type
- virtual void ForceDecay(Decay_t decay=dimuon) {fForceDecay=decay;}
- virtual void SetWeighting(Weighting_t flag=analog) {fAnalog=flag;}
+ AliGenParam();
+ AliGenParam(Int_t npart, AliGenLib * Library, Int_t param, char* tname = 0);
+ AliGenParam(Int_t npart, Int_t param, const char* tname = 0, const char* name = 0);
+ AliGenParam(Int_t npart, Int_t param,
+ Double_t (*PtPara)(Double_t*, Double_t*),
+ Double_t (*YPara )(Double_t*, Double_t*),
+ Int_t (*IpPara)(TRandom*) );
+ AliGenParam(const AliGenParam &Param);
+
+ virtual ~AliGenParam();
+ virtual void Generate();
+ virtual void Init();
+ // select particle type
+ virtual void SetParam(Int_t param) {fParam = param;}
+ // force decay type
+ virtual void SetWeighting(Weighting_t flag = kAnalog) {fAnalog = flag;}
+ virtual void SetDeltaPt(Float_t delta=0.01) {fDeltaPt = delta;}
+ virtual void SetDecayer(AliDecayer* decayer) {fDecayer = decayer;}
+ virtual void Draw(const char * opt);
+ TF1 * GetPt() { return fPtPara;}
+ TF1 * GetY() {return fYPara;}
+ Float_t GetRelativeArea(Float_t ptMin, Float_t ptMax, Float_t yMin, Float_t yMax, Float_t phiMin, Float_t phiMax);
+
+ AliGenParam & operator=(const AliGenParam & rhs);
+ protected:
+ Double_t (*fPtParaFunc)(Double_t*, Double_t*); //! Pointer to Pt parametrisation function
+ Double_t (*fYParaFunc )(Double_t*, Double_t*); //! Pointer to Y parametrisation function
+ Int_t (*fIpParaFunc )(TRandom*); //! Pointer to particle type parametrisation function
+ TF1* fPtPara; // Transverse momentum parameterisation
+ TF1* fYPara; // Rapidity parameterisation
+ Int_t fParam; // Parameterisation type
+ Float_t fdNdy0; // central multiplicity per event
+ Float_t fYWgt; // Y-weight
+ Float_t fPtWgt; // Pt-weight
+ Float_t fBias; // Biasing factor
+ Int_t fTrials; // Number of trials
+ Float_t fDeltaPt; // pT sampling in steps of fDeltaPt
+ AliDecayer *fDecayer; // ! Pointer to pythia object for decays