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// $Id: G4TransportationManager.icc,v 1.10 2007/04/20 15:28:37 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-04-ref-00 $
// ------------------------------------------------------------
//  GEANT 4  inlined function members implementation
// ------------------------------------------------------------
//
// Created :  10 March 1997, J. Apostolakis
// Reviewed:  26 April 2006, G. Cosmo
//  
// ----------------------------------------------------------------------------

// ----------------------------------------------------------------------------
// GetNavigatorForTracking()
//
// Utility method to return the active navigator for tracking, always
// the first in the collection of registered navigators.
//
inline
G4Navigator* G4TransportationManager::GetNavigatorForTracking() const
{
   return fNavigators[0];
}

// ----------------------------------------------------------------------------
// SetWorldForTracking()
//
// Set the tracking world volume.
// This method is to be invoked by G4RunManagerKernel.
//
inline 
void G4TransportationManager::SetWorldForTracking(G4VPhysicalVolume* theWorld)
{
   fWorlds[0] = theWorld;
   fNavigators[0]->SetWorldVolume(theWorld);
}

// ----------------------------------------------------------------------------
// SetNavigatorForTracking()
//
// Set the active navigator for tracking, always
// the first in the collection of registered navigators.
//
inline
void G4TransportationManager::SetNavigatorForTracking(G4Navigator* newNavigator)
{
   fNavigators[0] = newNavigator;
}

// ----------------------------------------------------------------------------
// GetPropagatorInField()
//
// Return the associated propagator in field.
//
inline
G4PropagatorInField* G4TransportationManager::GetPropagatorInField() const
{
   return fPropagatorInField;
}

// ----------------------------------------------------------------------------
// SetPropagatorInField()
//
// Set the associated propagator in field.
//
inline
void G4TransportationManager::
SetPropagatorInField( G4PropagatorInField* newFieldPropagator )
{
   fPropagatorInField = newFieldPropagator;
}

// ----------------------------------------------------------------------------
// GetFieldManager()
//
// Return the associated field manager.
//
inline
G4FieldManager* G4TransportationManager::GetFieldManager() const
{
   return fFieldManager;
}

// ----------------------------------------------------------------------------
// GetNoActiveNavigators()
//
// Return the number of active navigators.
//
inline
size_t G4TransportationManager::GetNoActiveNavigators() const
{
   return fActiveNavigators.size();
}

// ----------------------------------------------------------------------------
// GetActiveNavigatorsIterator()
//
// Return an iterator to the list of active navigators.
//
inline
std::vector<G4Navigator*>::iterator
G4TransportationManager::GetActiveNavigatorsIterator()
{
   std::vector<G4Navigator*>::iterator iterator
     = std::vector<G4Navigator*>::iterator(fActiveNavigators.begin());
   return iterator;
}

// ----------------------------------------------------------------------------
// GetNoWorlds()
//
// Return the number of registerd worlds.
//
inline
size_t G4TransportationManager::GetNoWorlds() const
{
   return fWorlds.size();
}

// ----------------------------------------------------------------------------
// GetWorldsIterator()
//
// Return an iterator to the list of registered worlds.
//
inline
std::vector<G4VPhysicalVolume*>::iterator
G4TransportationManager::GetWorldsIterator()
{
   std::vector<G4VPhysicalVolume*>::iterator iterator
     = std::vector<G4VPhysicalVolume*>::iterator(fWorlds.begin());
   return iterator;
}

// ----------------------------------------------------------------------------
// GetSafetyHelper()
//
// Return pointer to the created navigation safety helper instance.
//
inline
G4SafetyHelper* G4TransportationManager::GetSafetyHelper() const
{
  return fSafetyHelper;
}