StMCFilter/StGENParticle.h

// @(#)STAR/eg:$Id: StGENParticle.h,v 1.3 2009/06/23 19:52:05 jeromel Exp $

#ifndef STAR_StGENParticle
#define STAR_StGENParticle
#include <vector>
#include "StGenParticle.h"

class StGENParticle : public StGenParticle {
public:


                                // ****** constructors and destructor
   StGENParticle(int idx);

   virtual ~StGENParticle();

virtual int                  GetStatusCode()     const  {return fStatusCode;}
virtual int                  GetPdgCode()        const  {return fPdgCode   ;}
virtual int                  GetGeaCode()        const  {return fGeaCode   ;}
virtual const StGenParticle *GetMother(int i=0)  const  {return fMother[i] ;} 
virtual const StGenParticle *GetDaughter(int i)  const; 
virtual       double         GetMass         ()  const  {return fP[4];}
virtual       int            GetNDaughters   ()  const  {return fDaughter.size();}
virtual       void           Momentum(double p4[4]) const ;
virtual       void           Vertex(double v[3]) const;
virtual       double         Time()              const  {return fV[3];}

//      setters
  void Clear();
  void SetPdg(int pdg)                                  {fPdgCode=pdg;}
  void SetGea(int gea)                                  {fGeaCode=gea;}
  void SetVert(float v[4]);     
  void SetMom (float p[5]);     
  void SetMother(int i,const StGENParticle *m) {fMother[i]=m;} 
  void AddDaughter(const StGENParticle *m); 


protected:

  char fBeg[1];
  int          fPdgCode;              // PDG   code of the particle
  int          fGeaCode;              // Geant code of the particle
  int          fStatusCode;           // generation status code
  const StGENParticle *fMother[2];    // mother particles
  double       fWeight;               // particle weight
  double       fP[5];                 // 4vector  of momentum + mass
  double       fV[4];                 // 3vector of production vertex +time in cm
  char fEnd[1];
  std::vector<const StGENParticle*>     fDaughter;        

};

#endif

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