void SetNucleus(Int_t n=208) {fA=n;}
void SetAuAuRhic();
void SetPbPbLHC();
- void SetFileName(TString &fn){fName=fn;}
+ void SetFileName(const TString &fn){fName=fn;}
void SetFileName(const char *fn="$(ALICE_ROOT)/FASTSIM/data/glauberPbPb.root"){fName=fn;}
const TF1* GetWSB() const {return fgWSb;}
+ const TF1* GetRWSB() const {return fgRWSb;}
const TF2* GetWSbz() const {return fgWSbz;}
const TF1* GetWSz() const {return fgWSz;}
const TF1* GetWSta() const {return fgWSta;}
void SetCentralityClass(Double_t xsecFrLow=0.0,Double_t xsecFrUp=0.1);
void GetRandomBHard(Double_t& b);
void GetRandomXY(Double_t& x,Double_t& y);
- void GetLastXY(Double_t xy[2]) {xy[0] = fXY[0]; xy[1] = fXY[1];}
+ void GetSavedXY(Double_t xy[2]) const {xy[0] = fXY[0]; xy[1] = fXY[1];}
+ void GetSavedI0I1(Double_t i0i1[2]) const {i0i1[0] = fI0I1[0]; i0i1[1] = fI0I1[1];}
+ void SaveXY(Double_t x, Double_t y) {fXY[0] = x; fXY[1] = y;}
+ void SaveI0I1(Double_t i0, Double_t i1) {fI0I1[0] = i0; fI0I1[1] = i1;}
+
void GetRandomPhi(Double_t& phi);
Double_t CalculateLength(Double_t b=0.,Double_t x0=0.,Double_t y0=0.,
Double_t phi0=0.);
Double_t b=-1.);
void GetLengthsBackToBack(Double_t& ell1,Double_t& ell2,
Double_t b=-1.);
- void GetLengthsForPythia(Int_t n,Double_t* phi,Double_t* ell,
+ void GetLengthsForPythia(Int_t n,Double_t* const phi,Double_t* ell,
Double_t b=-1.);
void PlotBDistr(Int_t n=1000);
void PlotLengthDistr(Int_t n=1000,Bool_t save=kFALSE,
AliFastGlauber& operator=(const AliFastGlauber & rhs);
void Copy(TObject&) const;
protected:
- static Double_t WSb (Double_t *xx, Double_t *par);
- static Double_t WSbz (Double_t *xx, Double_t *par);
- static Double_t WSz (Double_t *xx, Double_t *par);
- static Double_t WSta (Double_t *xx, Double_t *par);
- static Double_t WStarfi (Double_t *xx, Double_t *par);
- static Double_t WStaa (Double_t *xx, Double_t *par);
- static Double_t WKParticipants (Double_t *xx, Double_t *par);
- static Double_t WParticipants (Double_t *xx, Double_t *par);
- static Double_t WSgeo (Double_t *xx, Double_t *par);
- static Double_t WSbinary (Double_t *xx, Double_t *par);
- static Double_t WSN (Double_t *xx, Double_t *par);
- static Double_t WAlmond (Double_t *xx, Double_t *par);
- static Double_t WPathLength0 (Double_t *xx, Double_t *par);
- static Double_t WPathLength (Double_t *xx, Double_t *par);
- static Double_t WIntRadius (Double_t *xx, Double_t *par);
- static Double_t WEnergyDensity (Double_t *xx, Double_t *par);
+ static Double_t RWSb (const Double_t *xx, const Double_t *par);
+ static Double_t WSb (const Double_t *xx, const Double_t *par);
+ static Double_t WSbz (const Double_t *xx, const Double_t *par);
+ static Double_t WSz (const Double_t *xx, const Double_t *par);
+ static Double_t WSta (const Double_t *xx, const Double_t *par);
+ static Double_t WStarfi (const Double_t *xx, const Double_t *par);
+ static Double_t WStaa (const Double_t *xx, const Double_t *par);
+ static Double_t WKParticipants (const Double_t *xx, const Double_t *par);
+ static Double_t WParticipants (const Double_t *xx, const Double_t *par);
+ static Double_t WSgeo (const Double_t *xx, const Double_t *par);
+ static Double_t WSbinary (const Double_t *xx, const Double_t *par);
+ static Double_t WSN (const Double_t *xx, const Double_t *par);
+ static Double_t WAlmond (const Double_t *xx, const Double_t *par);
+ static Double_t WPathLength0 (const Double_t *xx, const Double_t *par);
+ static Double_t WPathLength (const Double_t *xx, const Double_t *par);
+ static Double_t WIntRadius (const Double_t *xx, const Double_t *par);
+ static Double_t WEnergyDensity (const Double_t *xx, const Double_t *par);
void Reset() const;
private:
static TF1* fgWSb; // Wood-Saxon Function (b)
+ static TF1* fgRWSb; // Wood-Saxon Function (b) with phase space factor
static TF2* fgWSbz; // Wood-Saxon Function (b, z)
static TF1* fgWSz; // Wood-Saxon Function (b = b0, z)
static TF1* fgWSta; // Thickness Function
Float_t fBmin; // Minimum b (set through centrality selection)
Float_t fBmax; // Coresponding maximum b
- Double_t fXY[2]; // Last generated production point
+ Double_t fXY[2]; // Current generated production point
+ Double_t fI0I1[2]; // Current integrals I0 and I1
Int_t fEllDef; // definition of length (see CalculateLength())
TString fName; // filename of stored distributions
ClassDef(AliFastGlauber,2) // Event geometry simulation in the Glauber Model