| fe4da5cc |
1 | #ifndef ALIGENERATOR_H |
| 2 | #define ALIGENERATOR_H |
| 3 | /////////////////////////////////////////////////////////// |
| 4 | // // |
| 5 | // Class to generate the particles for the MC // |
| 6 | // The base class is empty // |
| 7 | // // |
| 8 | /////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #include "TNamed.h" |
| 11 | #include "TArrayF.h" |
| 12 | #include "TGenerator.h" |
| 13 | |
| 14 | typedef enum { none, perEvent, perTrack } VertexSmear_t; |
| 15 | |
| 16 | class AliGenerator : public TNamed |
| 17 | { |
| 18 | |
| 19 | protected: |
| 20 | static TGenerator* fgMCEvGen; |
| 21 | Float_t fThetaMin; //Minimum theta of generation in radians |
| 22 | Float_t fThetaMax; //Maximum theta of generation in radians |
| 23 | Float_t fPhiMin; //Minimum phi of generation in radians |
| 24 | Float_t fPhiMax; //Maximum phi of generation in radians |
| 25 | Float_t fPMin; //Minimum momentum of generation in GeV/c |
| 26 | Float_t fPMax; //Minimum momentum of generation in GeV/c |
| 27 | Float_t fPtMin; //Minimum transverse momentum |
| 28 | Float_t fPtMax; //Maximum transverse momentum |
| 29 | Float_t fYMin; //Minimum rapidity |
| 30 | Float_t fYMax; //Maximum rapidity |
| 31 | TArrayF fVMin; //Minimum Decaylength |
| 32 | TArrayF fVMax; //Minimum Decaylength |
| 33 | Int_t fNpart; //Maximum number of particles per event |
| 34 | Float_t fParentWeight; //Parent Weight |
| 35 | Float_t fChildWeight; //ChildWeight |
| 4a3ba9d2 |
36 | Int_t fTrackit; // Track the generated final state particle if 1 |
| fe4da5cc |
37 | Int_t fAnalog; //Flaf for anolog or pt-weighted generation |
| 38 | // |
| 39 | VertexSmear_t fVertexSmear; //Vertex Smearing mode |
| 4a3ba9d2 |
40 | Int_t fTrackIt; // if 1 Track final state particles |
| fe4da5cc |
41 | TArrayF fOrigin; //Origin of event |
| 42 | TArrayF fOsigma; //Sigma of the Origin of event |
| 43 | |
| 44 | public: |
| 45 | AliGenerator(); |
| 46 | AliGenerator(Int_t npart); |
| 47 | virtual ~AliGenerator(); |
| 48 | virtual void Init(); |
| 49 | virtual void SetOrigin(Float_t ox, Float_t oy, Float_t oz) |
| 50 | {fOrigin[0]=ox;fOrigin[1]=oy;fOrigin[2]=oz;} |
| 51 | virtual void SetSigma(Float_t sx, Float_t sy, Float_t sz) |
| 52 | {fOsigma[0]=sx;fOsigma[1]=sy;fOsigma[2]=sz;} |
| 53 | virtual void SetMomentumRange(Float_t pmin=0, Float_t pmax=1.e10) |
| 54 | {fPMin = pmin; fPMax = pmax;} |
| 55 | virtual void SetPtRange(Float_t ptmin=0, Float_t ptmax=20.) |
| 56 | {fPtMin = ptmin; fPtMax = ptmax;} |
| 57 | virtual void SetPhiRange(Float_t phimin=-180., Float_t phimax=180) |
| 58 | {fPhiMin = TMath::Pi()*phimin/180; |
| 59 | fPhiMax = TMath::Pi()*phimax/180;} |
| 60 | virtual void SetYRange(Float_t ymin=-100, Float_t ymax=100) |
| 61 | {fYMin=ymin; fYMax=ymax;} |
| 62 | virtual void SetVRange(Float_t vxmin, Float_t vxmax, |
| 63 | Float_t vymin, Float_t vymax, |
| 64 | Float_t vzmin, Float_t vzmax) |
| 65 | { |
| 66 | fVMin[0]=vxmin; fVMin[1]=vymin; fVMin[2]=vzmin; |
| 67 | fVMax[0]=vxmax; fVMax[1]=vymax; fVMax[2]=vzmax; |
| 68 | } |
| 69 | virtual void SetNumberParticles(Int_t npart=100) {fNpart=npart;} |
| 70 | virtual Int_t NumberParticles() {return fNpart;} |
| 71 | virtual void SetThetaRange(Float_t thetamin=0, Float_t thetamax=180) |
| 72 | {fThetaMin = TMath::Pi()*thetamin/180; |
| 73 | fThetaMax = TMath::Pi()*thetamax/180;} |
| 74 | virtual void Generate()=0; |
| 75 | virtual void SetParentWeight(Float_t wgt) {fParentWeight=wgt;} |
| 76 | virtual void SetChildWeight(Float_t wgt) {fChildWeight=wgt;} |
| 77 | virtual void SetAnalog(Int_t flag=1) {fAnalog=flag;} |
| 78 | virtual void SetVertexSmear(VertexSmear_t smear) {fVertexSmear = smear;} |
| 4a3ba9d2 |
79 | virtual void SetTrackingFlag(Int_t flag=1) {fTrackIt=flag;} |
| 80 | |
| fe4da5cc |
81 | virtual void SetMC(TGenerator *theMC) |
| 82 | {if (!fgMCEvGen) fgMCEvGen =theMC;} |
| 83 | ClassDef(AliGenerator,1) |
| 84 | }; |
| 85 | |
| 86 | #endif |
git://git.uio.no / u / mrichter / AliRoot.git / blame