On 28/12/16 17:51, cleary wrote:
In suggesting the term "Local Government Area", I was thinking of areas as shown in the Local Government Areas (LGA) datasets issued by state and territory governments
The LGA dataset have metadata in them that indicate whether or not an area has a form of local administration. This is because the users of these datasets may want to know this. In OSM there is no tagging that you can use to indicate that the boundary that you've put in doesn't have what the admin_level tag indicates. That means that these areas are represented in OSM by not putting a boundary around them. This is the usual way that you indicate that something doesn't exist in OSM.
This is how the admin_level model works. A admin_level 2 boundary should enclose a country. You wouldn't expect to find a admin_level 2 boundary around the "Tasman Sea International Waters". Admin_level 4 goes around a state or territory. Admin_level 6 goes around the boundaries of a local governing authority. Areas not inside a admin_level 6 boundary don't have a form of local administration. In the Australian case this means that they are administered from the state, territory, or in some cases Commonwealth level.
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