class FGMetarFetcher;
class FGClouds;
class FGPrecipitationMgr;
+class SGSky;
/**
* Manage environment information.
SGPropertyNode_ptr _latitude_n;
simgear::TiedPropertyList _tiedProperties;
SGPropertyChangeListener * _3dCloudsEnableListener;
+ SGSky* _sky;
+
};
#endif // _ENVIRONMENT_MGR_HXX