[talk-au] Australia Postcodes - using AusPost database

[Andrew Harvey]

On 21/12/12 21:41, Darren Burt wrote:
> That looks better to me for the streets I'm familiar with. Eg if you
> search for Gloucester Ave
> <http://www.openstreetmap.org/?lat=-33.766784&lon=151.124839&zoom=18>
> (which is down southerly end) at OSM, it shows as Macquarie Park 2113 in
> the search results. On your map it shows as 2073 which is correct.

As I suspected, I don't think OpenStreetMap contains the postcode
boundaries in this area. I couldn't find them.

Which begs the question, where does Nominatim get the postcode from?

> 
> Of course I can't really be sure of the boundaries .... :-\
> 
> I still seem to be stuck. Everything I've seen so far has
> 'non-commercial' or 'personal use only' or 'not relicensed/sub-licensed'
> terms which make it incompatible with OSM license.

The ASGS 2011 contains an approximation of the postcode boundaries (but
it is usually fairly accurate) from the ABS. The ASGS 2011 is released
under the free CC BY 2.5 Australia license.

> 
> I even went looking at Development Applications. Using the Advanced
> Search here <http://datracking.kmc.nsw.gov.au>, you can search for
> street name Gloucester Avenue, select any of the applications, then look
> at one of the documents, eg a Development Application or Determination
> and that will list the address and postcode. That's manual and
> laborious, but I could at least fix up my own backyard, so to speak. But
> it's still not clear to me that I can actually use that information for
> that purpose, and I am loathe to taint the OSM data.

Unless that council states that they release that data under a specific
open license, you can't use it in OSM. Otherwise you would be copying
data from one database to another, which, unless there is a compatible
license in place, OSM doesn't allow.

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