Class name:
 G4MeanFreePath

 Documentation:
 Keeps information which is related to the current
 status of the particle.

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Private Interface:
 Has-A Relationships:
 G4double MaxInteractionLengthLeft
 G4double PhysicalStepLength
 V4Process fProcess

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4MeanFreePathVector

 Documentation:
 Container class for G4MeanFreePath.

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Instantiates class: G4OrderedVector
 Associations:

 G4OrderedVector 

 Private Interface:
 Has-A Relationships:
 G4MeanFreePath 

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4SteppingManager

 Documentation:
 The manager to propagate the particle by one step.


 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Public Uses:
 G4DynamicParticleVector 

 Public Interface:
 Has-A Relationships:
 G4Track fTrack

 Operations:
 defineMeanFreePaths ( )
 setCurrentTrack (G4Track*, G4TrackTrajectory*)
 stepping ( )

 Private Interface:
 Has-A Relationships:
 G4MeanFreePathVector 
 G4double CorrectedStep
 G4int InteractionType
 G4double Step
 G4StatusCode StopCode
 G4Hit fHit
 G4TrajectoryPoint fLastPoint
 G4Navigator fNavigator
 G4ParticleChange fParticleChange
 G4TrackVector fSecondary
 G4Trajectory fTrajectory
 G4UserSteppingAction fUserSteppingAction

 Operations:
 definePhysicalStepLength ( )
 isThisFinalStep ( )
 storeLastPoint (G4Track *)

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4Track

 Documentation:
 A global object to keeps particle related information
 which is necessary to transport the particle.

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Public Interface:
 Has-A Relationships:
 G4DynamicParticle DynamicParticle
 G4DynamicParticle fDynamicParticle

 Private Interface:
 Has-A Relationships:
 G4int ParentID
 G4ThreeVector Position
 G4double Time
 G4int TrackID
 G4VPhysicalVolume Volume

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4TrackVector

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Instantiates class: G4OrderedVector
 Associations:

 G4OrderedVector 

 Public Interface:
 Has-A Relationships:
 G4Track 

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4TrackingManager

 Documentation:
 The manager to transport a paritcle from its birth to
 death. 

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Public Uses:
 G4Track 
 G4TrackVector 

 Public Interface:
 Operations:
 gimmeSecondaries ( )
 gimmeTrajectory ( )
 processOneTrack (G4Track*)

 Private Interface:
 Has-A Relationships:
 G4StatusCode StopCode
 G4SteppingManager fSteppingManager
 G4Trajectory fTrajectory
 G4UserTrackingAction fUserTrackAction

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4Trajectory

 Documentation:
 Keeps the history of the trajectory of a particle. The
 trajectory is represented by a set of G4TrajectoryPoint object.

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Instantiates class: G4OrderedVector
 Associations:

 G4OrderedVector 

 Private Interface:
 Has-A Relationships:
 G4TrajectoryPoint 
 G4int ParentID
 G4ParticleDefinition ParticleDefinition
 G4int TrackID

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4TrajectoryPoint

 Documentation:
 Keeps information related to kinematics of a particle
 in one step. 

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Private Interface:
 Has-A Relationships:
 G4double Energy
 G4double EnergyDeposition
 G4ThreeVector Momentum
 G4ThreeVector Position
 G4double StepLength
 G4double Time
 G4VPhysicalVolume Volume

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4UserSteppingAction

 Documentation:
 Utility class which keeps user interventions at the
 beginning and end of the one step of the transportation. 

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Public Interface:
 Operations:
 userSteppingAction ( )

 Private Interface:
 Has-A Relationships:
 G4SteppingManager fSteppingManager

 State machine: No
 Concurrency: Sequential
 Persistence: Transient



 Class name:
 G4UserTrackingAction

 Documentation:
 Utility class which has user interventions at the
 beginning and end of the transportation.

 Category: TrackManagement
 Export Control: Public
 Cardinality: n
 Hierarchy:
 Superclasses: none
 Public Interface:
 Operations:
 postUserTrackingAction ( )
 preUserTrackingAction ( )

 Private Interface:
 Has-A Relationships:
 G4TrackingManager fTrackingManager

 State machine: No
 Concurrency: Sequential
 Persistence: Transient