// //
///////////////////////////////////////////////////////////
-#include "TLorentzVector.h"
-#include "TArrayF.h"
+#include <TArrayF.h>
+#include <TLorentzVector.h>
+#include <TMCProcess.h>
+
#include "AliRndm.h"
-#include "AliMCProcess.h"
-class TGenerator;
+
+class AliVertexGenerator;
+class AliCollisionGeometry;
+class AliGenEventHeader;
class AliStack;
+class TGenerator;
+
-typedef enum { kNoSmear, kPerEvent, kPerTrack } VertexSmear_t;
-typedef enum { kExternal, kInternal} VertexSource_t;
+typedef enum { kNoSmear, kPerEvent, kPerTrack } VertexSmear_t;
+typedef enum { kExternal, kInternal, kContainer} VertexSource_t;
class AliGenerator : public TNamed, public AliRndm
{
public:
+
AliGenerator();
AliGenerator(Int_t npart);
- 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);
virtual void SetOrigin(const TLorentzVector &o);
virtual void SetSigma(Float_t sx, Float_t sy, Float_t sz);
+ virtual void SetSigmaZ(Float_t sz) {fOsigma[2] = sz;}
virtual void SetMomentumRange(Float_t pmin=0, Float_t pmax=1.e10);
- virtual void SetPtRange(Float_t ptmin=0, Float_t ptmax=100);
- virtual void SetPhiRange(Float_t phimin=-180., Float_t phimax=180);
+ 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,
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 smear) {fVertexSource = kInternal;}
+ 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)
- {if (!fgMCEvGen) fgMCEvGen =theMC;}
-
- AliGenerator & operator=(const AliGenerator &gen);
+ virtual void FinishRun();
+ virtual void SetMC(TGenerator *theMC) {fMCEvGen =theMC;}
+ virtual TGenerator* GetMC() const {return fMCEvGen;}
+ virtual void AddHeader(AliGenEventHeader* /*header*/) {;}
+ virtual void SetContainer(AliGenerator* container) {fContainer = container;}
// Getters
{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;}
-// Comminication with stack
+ // 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 SetTrack(Int_t done, Int_t parent, Int_t pdg,
+ virtual void PushTrack(Int_t done, Int_t parent, Int_t pdg,
Float_t *pmom, Float_t *vpos, Float_t *polar,
- Float_t tof, AliMCProcess mech, Int_t &ntr,
+ Float_t tof, TMCProcess mech, Int_t &ntr,
Float_t weight = 1, Int_t is = 0);
- virtual void SetTrack(Int_t done, Int_t parent, Int_t pdg,
+ 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,
- AliMCProcess mech, Int_t &ntr, Float_t weight = 1, Int_t is = 0);
+ 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:
- static TGenerator* fgMCEvGen; //Pointer to the generator
+ 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
//
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 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
- TArrayF fEventVertex; //!The current event vertex
+ TArrayF fVertex; //! Vertex of current event
- AliStack* fStack; //! Local pointer to stack
+ AliStack* fStack; //! Local pointer to stack
+ AliGenerator* fContainer; //! Local pointer to container
+
+ AliCollisionGeometry* fCollisionGeometry; //!Collision geometry
/*************************************************************************/
enum {kThetaRange = BIT(14),
kVertexRange = BIT(15),
kYRange = BIT(18),
kMomentumRange = BIT(19)
};
- ClassDef(AliGenerator,2) // Base class for event generators
+
+ 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
+
+ private:
+ AliGenerator(const AliGenerator &gen);
+ AliGenerator & operator=(const AliGenerator &gen);
+
+ ClassDef(AliGenerator,4) // Base class for event generators
};
#endif