[u/mrichter/AliRoot.git] / TGeant4 / TG4ParticlesManager.h

// $Id$
// Category: physics
//
// This class provides mapping between TDatabasePDG
// and Geant4 particles. 

#ifndef TG4_PARTICLES_MANAGER_H
#define TG4_PARTICLES_MANAGER_H

#include "TG4Globals.h"
#include "TG4NameMap.h"
#include "TG4IntMap.h"

#include <globals.hh>
#include <G4ThreeVector.hh>

#include <Rtypes.h>

class G4DynamicParticle;
class G4ParticleDefinition;

class TParticle;
class TClonesArray;

class TG4ParticlesManager
{
  public:
    TG4ParticlesManager();
    // --> protected
    // TG4ParticlesManager(const TG4ParticlesManager& right);
    virtual ~TG4ParticlesManager();

    // static access method
    static TG4ParticlesManager* Instance();
        
    // methods
    void MapParticles();

    // get methods
         // for G4 particle types   
    G4int GetPDGEncodingFast(G4ParticleDefinition* particle);

         // for Root particle types;
    TParticle* GetParticle(const TClonesArray* particles, G4int index) const;
    G4ParticleDefinition* GetParticleDefinition(
                           const TParticle* particle) const;
    G4DynamicParticle* CreateDynamicParticle(
                           const TParticle* particle) const;
    G4ThreeVector GetParticlePosition(
                           const TParticle* particle) const;
    G4ThreeVector GetParticleMomentum(
                           const TParticle* particle) const;        
    
  protected:
    TG4ParticlesManager(const TG4ParticlesManager& right);

    // operators
    TG4ParticlesManager& operator=(const TG4ParticlesManager& right);

  private:
    // methods
    G4int GetPDGEncoding(G4ParticleDefinition* particle);
    G4int GetPDGEncoding(G4String particleName);

    // static data members
    static TG4ParticlesManager*  fgInstance; //this instance
    
    // data members
    TG4NameMap  fParticleNameMap;  //the mapping between G4 particle names
                                   //and TDatabasePDG names 
    TG4IntMap   fParticlePDGMap;   //the mapping between G4 particle names
                                   //and TDatabasePDG codes
};

// inline methods

inline TG4ParticlesManager* TG4ParticlesManager::Instance() 
{ return fgInstance; }

#endif //TG4_PARTICLES_MANAGER_H
Commit	Line	Data
17929791	1	// $Id$
	2	// Category: physics
	3	//
	4	// This class provides mapping between TDatabasePDG
	5	// and Geant4 particles.
	6
	7	#ifndef TG4_PARTICLES_MANAGER_H
	8	#define TG4_PARTICLES_MANAGER_H
	9
	10	#include "TG4Globals.h"
	11	#include "TG4NameMap.h"
	12	#include "TG4IntMap.h"
	13
	14	#include <globals.hh>
	15	#include <G4ThreeVector.hh>
	16
	17	#include <Rtypes.h>
	18
	19	class G4DynamicParticle;
	20	class G4ParticleDefinition;
	21
	22	class TParticle;
	23	class TClonesArray;
	24
	25	class TG4ParticlesManager
	26	{
	27	public:
	28	TG4ParticlesManager();
	29	// --> protected
	30	// TG4ParticlesManager(const TG4ParticlesManager& right);
	31	virtual ~TG4ParticlesManager();
	32
	33	// static access method
	34	static TG4ParticlesManager* Instance();
	35
	36	// methods
	37	void MapParticles();
	38
	39	// get methods
	40	// for G4 particle types
	41	G4int GetPDGEncodingFast(G4ParticleDefinition* particle);
	42
	43	// for Root particle types;
	44	TParticle* GetParticle(const TClonesArray* particles, G4int index) const;
	45	G4ParticleDefinition* GetParticleDefinition(
	46	const TParticle* particle) const;
	47	G4DynamicParticle* CreateDynamicParticle(
	48	const TParticle* particle) const;
	49	G4ThreeVector GetParticlePosition(
	50	const TParticle* particle) const;
	51	G4ThreeVector GetParticleMomentum(
	52	const TParticle* particle) const;
	53
	54	protected:
	55	TG4ParticlesManager(const TG4ParticlesManager& right);
	56
	57	// operators
	58	TG4ParticlesManager& operator=(const TG4ParticlesManager& right);
	59
	60	private:
	61	// methods
	62	G4int GetPDGEncoding(G4ParticleDefinition* particle);
	63	G4int GetPDGEncoding(G4String particleName);
	64
65	// static data members
66	static TG4ParticlesManager* fgInstance; //this instance
67
68	// data members
69	TG4NameMap fParticleNameMap; //the mapping between G4 particle names
70	//and TDatabasePDG names
71	TG4IntMap fParticlePDGMap; //the mapping between G4 particle names
72	//and TDatabasePDG codes
73	};
74
75	// inline methods
76
77	inline TG4ParticlesManager* TG4ParticlesManager::Instance()
78	{ return fgInstance; }
79
80	#endif //TG4_PARTICLES_MANAGER_H
81