Function that will be used for converting GeoJSON coordinates to LatLng points (if not specified, coords will be assumed to be WGS84 � standard[longitude, latitude] values in degrees).
Function that will be used to decide whether to show a feature or not.
Function that will be called on each created feature layer. Useful for attaching events and popups to features.
Function that will be used for creating layers for GeoJSON points (if not specified, simple markers will be created).
Function that will be used to get style options for vector layers created for GeoJSON features.