X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=STEER%2FAliGenerator.h;h=699dbe6952c01553e95fef296f308f0b859a0acf;hb=06c7e3924dd6e13f6d0bef48205191398e0dd517;hp=d52dae8a3a0bae6e29863692ad88d8179d43409f;hpb=ef42d733b7e1291173d30fad82c7b0d50feeee85;p=u%2Fmrichter%2FAliRoot.git diff --git a/STEER/AliGenerator.h b/STEER/AliGenerator.h index d52dae8a3a0..699dbe6952c 100644 --- a/STEER/AliGenerator.h +++ b/STEER/AliGenerator.h @@ -12,13 +12,25 @@ // // /////////////////////////////////////////////////////////// -#include "TLorentzVector.h" -#include "TArrayF.h" -#include "TGenerator.h" +#include +#include +#include -typedef enum { kNoSmear, kPerEvent, kPerTrack } VertexSmear_t; +#include "AliRndm.h" -class AliGenerator : public TNamed +class AliVertexGenerator; +class AliCollisionGeometry; +class AliStack; + +class TGenerator; + + + +typedef enum { kNoSmear, kPerEvent, kPerTrack } VertexSmear_t; +typedef enum { kExternal, kInternal, kContainer} VertexSource_t; + + +class AliGenerator : public TNamed, public AliRndm { public: @@ -27,56 +39,68 @@ class AliGenerator : public TNamed AliGenerator(const AliGenerator &gen); virtual ~AliGenerator(); virtual void Init(); - void Copy(AliGenerator &gen) const; - 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; SetBit(kMomentumRange);} - virtual void SetPtRange(Float_t ptmin=0, Float_t ptmax=1.e10) - {fPtMin = ptmin; fPtMax = ptmax; SetBit(kPtRange);} - virtual void SetPhiRange(Float_t phimin=-180., Float_t phimax=180) - {fPhiMin = TMath::Pi()*phimin/180; - fPhiMax = TMath::Pi()*phimax/180; SetBit(kPhiRange);} - virtual void SetYRange(Float_t ymin=-100, Float_t ymax=100) - {fYMin=ymin; fYMax=ymax; SetBit(kYRange);} + void Copy(TObject &gen) const; + 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) - { - fVMin[0]=vxmin; fVMin[1]=vymin; fVMin[2]=vzmin; - fVMax[0]=vxmax; fVMax[1]=vymax; fVMax[2]=vzmax; - SetBit(kVertexRange); - } + Float_t vzmin, Float_t 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; SetBit(kThetaRange);} + 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;} virtual void SetTrackingFlag(Int_t flag=1) {fTrackIt=flag;} - - virtual void SetMC(TGenerator *theMC) - {if (!fgMCEvGen) fgMCEvGen =theMC;} - + void Vertex(); + void VertexExternal(); + virtual void VertexInternal(); + virtual void FinishRun(); + virtual void SetMC(TGenerator *theMC) {fMCEvGen =theMC;} AliGenerator & operator=(const AliGenerator &gen); // Getters - 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;} - -protected: - static TGenerator* fgMCEvGen; // Pointer to the generator + 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;} + 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 @@ -92,18 +116,42 @@ 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 - - enum {kThetaRange=1, kVertexRange=2, kPhiRange=4, kPtRange=8, - kYRange=32, kMomentumRange=16}; + VertexSmear_t fVertexSmear; //Vertex Smearing mode + VertexSource_t fVertexSource; //Vertex source (internal/external) + Float_t fCutVertexZ; // Vertex cut in units of sigma_z + 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 - ClassDef(AliGenerator,1) + AliStack* fStack; //! Local pointer to stack + AliCollisionGeometry* fCollisionGeometry; //!Collision geometry + /*************************************************************************/ + enum {kThetaRange = BIT(14), + kVertexRange = BIT(15), + kPhiRange = BIT(16), + kPtRange = BIT(17), + kYRange = BIT(18), + kMomentumRange = BIT(19) + }; + ClassDef(AliGenerator,3) // Base class for event generators }; #endif + + + + + + + + + + + + + +