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 "TG4Verbose.h"
  15 #include "TG4Globals.h"
  16 #include "TG4NameMap.h"
  17 #include "TG4IntMap.h"
  18
  19 #include <globals.hh>
  20 #include <G4ThreeVector.hh>
  21
  22 #include <Rtypes.h>
  23
  24 class G4DynamicParticle;
  25 class G4ParticleDefinition;
  26
  27 class TParticle;
  28 class TClonesArray;
  29
  30 class TG4ParticlesManager : public TG4Verbose
  31 {
  32   public:
  33     TG4ParticlesManager();
  34     // --> protected
  35     // TG4ParticlesManager(const TG4ParticlesManager& right);
  36     virtual ~TG4ParticlesManager();
  37
  38     // static access method
  39     static TG4ParticlesManager* Instance();
  40
  41     // methods
  42     void MapParticles();
  43
  44     // get methods
  45          // for G4 particle types
  46     G4int GetPDGEncodingFast(G4ParticleDefinition* particle);
  47
  48          // for Root particle types;
  49     TParticle* GetParticle(const TClonesArray* particles, G4int index) const;
  50     G4ParticleDefinition* GetParticleDefinition(
  51                            const TParticle* particle) const;
  52     G4DynamicParticle* CreateDynamicParticle(
  53                            const TParticle* particle) const;
  54     G4ThreeVector GetParticlePosition(
  55                            const TParticle* particle) const;
  56     G4ThreeVector GetParticleMomentum(
  57                            const TParticle* particle) const;
  58
  59   protected:
  60     TG4ParticlesManager(const TG4ParticlesManager& right);
  61
  62     // operators
  63     TG4ParticlesManager& operator=(const TG4ParticlesManager& right);
  64
  65   private:
  66     // methods
  67     G4int GetPDGEncoding(G4ParticleDefinition* particle);
  68     G4int GetPDGEncoding(G4String particleName);
  69
  70     // static data members
  71     static TG4ParticlesManager*  fgInstance; //this instance
  72
  73     // data members
  74     TG4NameMap  fParticleNameMap;  //the mapping between G4 particle names
  75                                    //and TDatabasePDG names
  76     TG4IntMap   fParticlePDGMap;   //the mapping between G4 particle names
  77                                    //and TDatabasePDG codes
  78 };
  79
  80 // inline methods
  81
  82 inline TG4ParticlesManager* TG4ParticlesManager::Instance()
  83 { return fgInstance; }
  84
  85 #endif //TG4_PARTICLES_MANAGER_H
  86