TGeant4/TG4ParticlesManager.h

   1 // $Id$
   2 // Category: physics
   3 //
   4 // Author: I. Hrivnacova
   5 //
   6 // Class TG4ParticlesManager
   7 // -------------------------
   8 // This class provides mapping between TDatabasePDG
   9 // and Geant4 particles.
  10
  11 #ifndef TG4_PARTICLES_MANAGER_H
  12 #define TG4_PARTICLES_MANAGER_H
  13
  14 #include "TG4Globals.h"
  15 #include "TG4NameMap.h"
  16 #include "TG4IntMap.h"
  17
  18 #include <globals.hh>
  19 #include <G4ThreeVector.hh>
  20
  21 #include <Rtypes.h>
  22
  23 class G4DynamicParticle;
  24 class G4ParticleDefinition;
  25
  26 class TParticle;
  27 class TClonesArray;
  28
  29 class TG4ParticlesManager
  30 {
  31   public:
  32     TG4ParticlesManager();
  33     // --> protected
  34     // TG4ParticlesManager(const TG4ParticlesManager& right);
  35     virtual ~TG4ParticlesManager();
  36
  37     // static access method
  38     static TG4ParticlesManager* Instance();
  39
  40     // methods
  41     void MapParticles();
  42
  43     // get methods
  44          // for G4 particle types
  45     G4int GetPDGEncodingFast(G4ParticleDefinition* particle);
  46
  47          // for Root particle types;
  48     TParticle* GetParticle(const TClonesArray* particles, G4int index) const;
  49     G4ParticleDefinition* GetParticleDefinition(
  50                            const TParticle* particle) const;
  51     G4DynamicParticle* CreateDynamicParticle(
  52                            const TParticle* particle) const;
  53     G4ThreeVector GetParticlePosition(
  54                            const TParticle* particle) const;
  55     G4ThreeVector GetParticleMomentum(
  56                            const TParticle* particle) const;
  57
  58   protected:
  59     TG4ParticlesManager(const TG4ParticlesManager& right);
  60
  61     // operators
  62     TG4ParticlesManager& operator=(const TG4ParticlesManager& right);
  63
  64   private:
  65     // methods
  66     G4int GetPDGEncoding(G4ParticleDefinition* particle);
  67     G4int GetPDGEncoding(G4String particleName);
  68
  69     // static data members
  70     static TG4ParticlesManager*  fgInstance; //this instance
  71
  72     // data members
  73     TG4NameMap  fParticleNameMap;  //the mapping between G4 particle names
  74                                    //and TDatabasePDG names
  75     TG4IntMap   fParticlePDGMap;   //the mapping between G4 particle names
  76                                    //and TDatabasePDG codes
  77 };
  78
  79 // inline methods
  80
  81 inline TG4ParticlesManager* TG4ParticlesManager::Instance()
  82 { return fgInstance; }
  83
  84 #endif //TG4_PARTICLES_MANAGER_H
  85