X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=STEER%2FAliGenerator.h;h=13a5ce63442eeec27c573866f963bbd7271f6303;hb=d63882b1fcf01dab231392eedf017cf3f672dae5;hp=bc998b7d66986528240dcd256b11ce458bd8d464;hpb=c9001868e60b70c65be4e2ccb39b3d7c3dfed769;p=u%2Fmrichter%2FAliRoot.git diff --git a/STEER/AliGenerator.h b/STEER/AliGenerator.h index bc998b7d669..13a5ce63442 100644 --- a/STEER/AliGenerator.h +++ b/STEER/AliGenerator.h @@ -1,5 +1,10 @@ #ifndef ALIGENERATOR_H #define ALIGENERATOR_H +/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * + * See cxx source for full Copyright notice */ + +/* $Id$ */ + /////////////////////////////////////////////////////////// // // // Class to generate the particles for the MC // @@ -7,17 +12,109 @@ // // /////////////////////////////////////////////////////////// -#include "TLorentzVector.h" -#include "TArrayF.h" -#include "TGenerator.h" +#include +#include +#include + +#include "AliRndm.h" + +class AliVertexGenerator; +class AliCollisionGeometry; +class AliGenEventHeader; +class AliStack; +class TGenerator; + + + +typedef enum { kNoSmear, kPerEvent, kPerTrack } VertexSmear_t; +typedef enum { kExternal, kInternal, kContainer} VertexSource_t; -typedef enum { none, perEvent, perTrack } VertexSmear_t; -class AliGenerator : public TNamed +class AliGenerator : public TNamed, public AliRndm { -protected: - static TGenerator* fgMCEvGen; + public: + + AliGenerator(); + AliGenerator(Int_t npart); + virtual ~AliGenerator(); + virtual void Init(); + virtual void SetOrigin(Float_t ox, Float_t oy, Float_t oz); + virtual void SetOrigin(const TLorentzVector &o); + virtual void SetSigma(Float_t sx, Float_t sy, Float_t sz); + virtual void SetMomentumRange(Float_t pmin=0, Float_t pmax=1.e10); + virtual void SetPtRange(Float_t ptmin=0, Float_t ptmax=1.e10); + virtual void SetPhiRange(Float_t phimin = 0., Float_t phimax = 360.); + virtual void SetYRange(Float_t ymin=-100, Float_t ymax=100); + virtual void SetVRange(Float_t vxmin, Float_t vxmax, + Float_t vymin, Float_t vymax, + Float_t vzmin, Float_t vzmax); + virtual void SetNumberParticles(Int_t npart=100) {fNpart=npart;} + virtual Int_t NumberParticles() const {return fNpart;} + virtual void SetThetaRange(Float_t thetamin=0, Float_t thetamax=180); + virtual void Generate()=0; + virtual void SetParentWeight(Float_t wgt) {fParentWeight=wgt;} + virtual void SetChildWeight(Float_t wgt) {fChildWeight=wgt;} + virtual void SetAnalog(Int_t flag=1) {fAnalog=flag;} + virtual void SetVertexSmear(VertexSmear_t smear) {fVertexSmear = smear;} + virtual void SetCutVertexZ(Float_t cut=999999.) {fCutVertexZ = cut;} + virtual void SetVertexSource(VertexSource_t source = kInternal) {fVertexSource = source;} + virtual void SetVertex(Float_t vx, Float_t vy, Float_t vz) + {fVertex[0] = vx; fVertex[1] = vy; fVertex[2] = vz;} + void SetVertexGenerator(AliVertexGenerator* vertexGenerator) + {fVertexGenerator = vertexGenerator; fVertexSource = kExternal; fVertexSmear = kPerEvent;} + void SetPileUpTimeWindow(Float_t pileUpTimeW) {fPileUpTimeWindow = pileUpTimeW;} + + virtual void SetTrackingFlag(Int_t flag=1) {fTrackIt=flag;} + void Vertex(); + void VertexExternal(); + virtual void VertexInternal(); + virtual void FinishRun(); + virtual void SetMC(TGenerator *theMC) {fMCEvGen =theMC;} + virtual void AddHeader(AliGenEventHeader* /*header*/) {;} + virtual void SetContainer(AliGenerator* container) {fContainer = container;} + + // Getters + + virtual void GetOrigin(Float_t &ox, Float_t &oy, Float_t &oz) const + {ox=fOrigin.At(0);oy=fOrigin.At(1);oz=fOrigin.At(2);} + virtual void GetOrigin(TLorentzVector &o) const + {o[0]=fOrigin.At(0);o[1]=fOrigin.At(1);o[2]=fOrigin.At(2);o[3]=0;} + // Stack + void SetStack (AliStack *stack) {fStack = stack;} + AliStack* GetStack(){return fStack;} + // Collision Geometry + virtual Bool_t ProvidesCollisionGeometry() const {return kFALSE;} + virtual Bool_t NeedsCollisionGeometry() const {return kFALSE;} + virtual AliCollisionGeometry* CollisionGeometry() const {return fCollisionGeometry;} + virtual void SetCollisionGeometry(AliCollisionGeometry* geom) {fCollisionGeometry = geom;} + + virtual Float_t GetEnergyCMS() const { return fEnergyCMS; } + virtual void SetEnergyCMS(Float_t energy = 0) { fEnergyCMS = energy; } + virtual void GetProjectile(TString& tar, Int_t& a, Int_t& z) const + {tar = fProjectile; a = fAProjectile; z = fZProjectile;} + virtual void GetTarget(TString& tar, Int_t& a, Int_t& z) const + {tar = fTarget; a = fATarget; z = fZTarget;} + virtual void SetProjectile(TString proj="", Int_t a = 0, Int_t z = 0) + {fProjectile = proj; fAProjectile = a; fZProjectile = z;} + virtual void SetTarget(TString tar="", Int_t a = 0, Int_t z = 0) + {fTarget = tar; fATarget = a; fZTarget = z;} + + protected: + virtual void PushTrack(Int_t done, Int_t parent, Int_t pdg, + Float_t *pmom, Float_t *vpos, Float_t *polar, + Float_t tof, TMCProcess mech, Int_t &ntr, + Float_t weight = 1, Int_t is = 0); + virtual void PushTrack(Int_t done, Int_t parent, Int_t pdg, + Double_t px, Double_t py, Double_t pz, Double_t e, + Double_t vx, Double_t vy, Double_t vz, Double_t tof, + Double_t polx, Double_t poly, Double_t polz, + TMCProcess mech, Int_t &ntr, Float_t weight = 1, Int_t is = 0); + virtual void KeepTrack(Int_t itrack); + virtual void SetHighWaterMark(Int_t nt); + + protected: + TGenerator* fMCEvGen; //!Pointer to the generator Float_t fThetaMin; //Minimum theta of generation in radians Float_t fThetaMax; //Maximum theta of generation in radians Float_t fPhiMin; //Minimum phi of generation in radians @@ -33,64 +130,58 @@ protected: Int_t fNpart; //Maximum number of particles per event Float_t fParentWeight; //Parent Weight Float_t fChildWeight; //ChildWeight - Int_t fTrackit; // Track the generated final state particle if 1 - Int_t fAnalog; //Flaf for anolog or pt-weighted generation + Int_t fAnalog; //Flag for anolog or pt-weighted generation // - VertexSmear_t fVertexSmear; //Vertex Smearing mode - Int_t fTrackIt; // if 1 Track final state particles - TArrayF fOrigin; //Origin of event - TArrayF fOsigma; //Sigma of the Origin of event + VertexSmear_t fVertexSmear; //Vertex Smearing mode + VertexSource_t fVertexSource; //Vertex source (internal/external) + Float_t fCutVertexZ; //Vertex cut in units of sigma_z + Float_t fPileUpTimeWindow; //Time window for pile-up events + Int_t fTrackIt; // if 1, Track final state particles + AliVertexGenerator* fVertexGenerator; //! Generator for the vertex + TArrayF fOrigin; // Origin of event + TArrayF fOsigma; // Sigma of the Origin of event + TArrayF fVertex; //! Vertex of current event - public: - AliGenerator(); - AliGenerator(Int_t npart); - virtual ~AliGenerator(); - virtual void Init(); - virtual void SetOrigin(Float_t ox, Float_t oy, Float_t oz) - {fOrigin[0]=ox;fOrigin[1]=oy;fOrigin[2]=oz;} - virtual void SetOrigin(const TLorentzVector &o) - {fOrigin[0]=o[0];fOrigin[1]=o[1];fOrigin[2]=o[2];} - virtual void SetSigma(Float_t sx, Float_t sy, Float_t sz) - {fOsigma[0]=sx;fOsigma[1]=sy;fOsigma[2]=sz;} - virtual void SetMomentumRange(Float_t pmin=0, Float_t pmax=1.e10) - {fPMin = pmin; fPMax = pmax;} - virtual void SetPtRange(Float_t ptmin=0, Float_t ptmax=20.) - {fPtMin = ptmin; fPtMax = ptmax;} - virtual void SetPhiRange(Float_t phimin=-180., Float_t phimax=180) - {fPhiMin = TMath::Pi()*phimin/180; - fPhiMax = TMath::Pi()*phimax/180;} - virtual void SetYRange(Float_t ymin=-100, Float_t ymax=100) - {fYMin=ymin; fYMax=ymax;} - virtual void SetVRange(Float_t vxmin, Float_t vxmax, - Float_t vymin, Float_t vymax, - Float_t vzmin, Float_t vzmax) - { - fVMin[0]=vxmin; fVMin[1]=vymin; fVMin[2]=vzmin; - fVMax[0]=vxmax; fVMax[1]=vymax; fVMax[2]=vzmax; - } - virtual void SetNumberParticles(Int_t npart=100) {fNpart=npart;} - virtual Int_t NumberParticles() {return fNpart;} - virtual void SetThetaRange(Float_t thetamin=0, Float_t thetamax=180) - {fThetaMin = TMath::Pi()*thetamin/180; - fThetaMax = TMath::Pi()*thetamax/180;} - virtual void Generate()=0; - virtual void SetParentWeight(Float_t wgt) {fParentWeight=wgt;} - virtual void SetChildWeight(Float_t wgt) {fChildWeight=wgt;} - virtual void SetAnalog(Int_t flag=1) {fAnalog=flag;} - virtual void SetVertexSmear(VertexSmear_t smear) {fVertexSmear = smear;} - virtual void SetTrackingFlag(Int_t flag=1) {fTrackIt=flag;} - - virtual void SetMC(TGenerator *theMC) - {if (!fgMCEvGen) fgMCEvGen =theMC;} + AliStack* fStack; //! Local pointer to stack + AliGenerator* fContainer; //! Local pointer to container + + AliCollisionGeometry* fCollisionGeometry; //!Collision geometry + /*************************************************************************/ + enum {kThetaRange = BIT(14), + kVertexRange = BIT(15), + kPhiRange = BIT(16), + kPtRange = BIT(17), + kYRange = BIT(18), + kMomentumRange = BIT(19) + }; - // Getters + Float_t fEnergyCMS; // Centre of mass energy + Int_t fAProjectile; // Projectile A + Int_t fZProjectile; // Projectile Z + Int_t fATarget; // Target A + Int_t fZTarget; // Target Z + TString fProjectile; // Projectile + TString fTarget; // Target - virtual void GetOrigin(Float_t &ox, Float_t &oy, Float_t &oz) - {ox=fOrigin[0];oy=fOrigin[1];oz=fOrigin[2];} - virtual void GetOrigin(TLorentzVector &o) - {o[0]=fOrigin[0];o[1]=fOrigin[1];o[2]=fOrigin[2];o[3]=0;} + private: + AliGenerator(const AliGenerator &gen); + AliGenerator & operator=(const AliGenerator &gen); - ClassDef(AliGenerator,1) + ClassDef(AliGenerator,4) // Base class for event generators }; #endif + + + + + + + + + + + + + +