3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ///////////////////////////////////////////////////////////
10 // Class to generate the particles for the MC //
11 // The base class is empty //
13 ///////////////////////////////////////////////////////////
15 #include "AliGenerator.h"
20 class AliGenHIJINGpara : public AliGenerator
25 TF1* fPtpi; // Parametrised pt distribution for pi
26 TF1* fPtka; // Parametrised pt distribution for ka
27 TF1* fETApic; // Parametrised eta distribution for pi
28 TF1* fETAkac; // Parametrised eta distribution fro ka
33 AliGenHIJINGpara(Int_t npart);
34 virtual ~AliGenHIJINGpara();
35 virtual void Generate();
38 ClassDef(AliGenHIJINGpara,1) // Hijing parametrisation generator
41 class AliGenFixed : public AliGenerator
46 Int_t fIpart; // Particle type
51 AliGenFixed(Int_t npart);
52 virtual ~AliGenFixed() {}
53 virtual void Generate();
54 virtual void Init() {}
55 virtual void SetSigma(Float_t, Float_t, Float_t);
57 virtual void SetMomentum(Float_t pmom) {fPMin=pmom; fPMax=pmom;}
58 virtual void SetPhi(Float_t phi) {fPhiMin=phi*TMath::Pi()/180; fPhiMax=phi*TMath::Pi()/180;}
59 virtual void SetTheta(Float_t theta) {fThetaMin=theta*TMath::Pi()/180; fThetaMax=theta*TMath::Pi()/180;}
60 virtual void SetPart(Int_t part) {fIpart=part;}
62 ClassDef(AliGenFixed,1) // Single particle generator
66 class AliGenBox : public AliGenerator
71 Int_t fIpart; // Particle type
76 AliGenBox(Int_t npart);
77 virtual ~AliGenBox() {}
78 virtual void Generate();
79 virtual void Init() {}
80 virtual void SetPart(Int_t part) {fIpart=part;}
82 ClassDef(AliGenBox,1) // Square box random generator