G4PrimaryTransformer.hh

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// $Id$
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#ifndef G4PromaryTransformer_h 
#define G4PromaryTransformer_h 1
 
#include "G4TrackVector.hh"
#include "G4ParticleTable.hh"
#include "globals.hh"
class G4Event;
class G4PrimaryVertex;
#include "G4PrimaryParticle.hh"
#include "G4DynamicParticle.hh"
 
// class description:
//
//  This class is exclusively used by G4EventManager for the conversion
// from G4PrimaryVertex/G4PrimaryParticle to G4DynamicParticle/G4Track.
//
 
class G4PrimaryTransformer
{
  public:
    G4PrimaryTransformer();
    virtual ~G4PrimaryTransformer();
    
    G4TrackVector* GimmePrimaries(G4Event* anEvent, G4int trackIDCounter=0);
    void CheckUnknown();
 
  protected:
    G4TrackVector TV;
    G4ParticleTable* particleTable;
    G4int verboseLevel;
    G4int trackID;
 
    G4ParticleDefinition* unknown;
    G4bool unknownParticleDefined;
 
  public:
    inline void SetVerboseLevel(G4int vl)
    { verboseLevel = vl; };
 
  public: //with description
    void SetUnknnownParticleDefined(G4bool vl);
    // By invoking this Set method, the user can alter the treatment of unknown
    // particle. The ideal place to invoke this method is in the BeginOfRunAction.
 
    inline G4bool GetUnknownParticleDefined() const
    { return unknownParticleDefined; }
 
  protected:
    void GenerateTracks(G4PrimaryVertex* primaryVertex);
    void GenerateSingleTrack(G4PrimaryParticle* primaryParticle,
              G4double x0,G4double y0,G4double z0,G4double t0,G4double wv);
    void SetDecayProducts(G4PrimaryParticle* mother,
                            G4DynamicParticle* motherDP);
    G4bool CheckDynamicParticle(G4DynamicParticle*DP);
 
  protected: //with description
  // Following two virtual methods are provided to customize the use of PrimaryTransformer
  // for particle types exotic to Geant4.
 
    virtual G4ParticleDefinition* GetDefinition(G4PrimaryParticle*pp);
    // Return appropriate G4ParticleDefinition w.r.t. the primary particle. 
    // If NULL is returned, the particle will not be treated as a track, but its daughters
    // will be examined in case it has "pre-assigned decay products".
 
    virtual G4bool IsGoodForTrack(G4ParticleDefinition*pd);
    // Return true if a primary particle should be converted into a track.
    // By default, all particles of non-shortlived and shortlived with valid decay
    // tables are converted.
};
 
#endif