[talk-au] Geoscience NATMAP 250K Topo Maps

David Bannon dbannon at internode.on.net
Wed Nov 13 11:01:40 UTC 2013

Interesting Andrew. Do you know much about this service ?

I have been trying to display it in FoxtrotGPS which normally uses OSM
or Google tiles. But I find two puzzling things -

1. While I request png files I seem to get JPEG

2. Their Y and X number system seems to be miles away from where I'd
expect it to be. I need to browse to somewhere in Antarctica, south of
Africa before I could get any (Aussie) tiles back.  I used to understand
the numbering system, sigh, better get my old notes out..

Anyway, Foxtrot is quite confused, does display tiles but somehow in the
wrong order, interesting !



On Wed, 2013-11-13 at 19:13 +1100, Andrew Harvey wrote:
> Just a heads up that GA have a tile service for their NATMAP 250K Topo Maps.
> So if you add this to JOSM/etc you can use this as a base layer to
> derive information from.
> http://www.ga.gov.au/gisimg/rest/services/topography/NATMAP_Digital_Maps_250K_2008Ed
>    ition_WM/MapServer/tile/{zoom}/{y}/{x}
> The map is CC BY 3.0 AU as per
> http://www.ga.gov.au/topographic-mapping/digital-topographic-maps/using-attributing-products.html
> However as per the contributor terms I don't believe OSM allows one to
> derive information from CC BY works and include this in OSM
> (https://help.openstreetmap.org/questions/624/can-i-use-or-trace-from-cc-by-data-under-the-new-contributor-terms
> but) and attach the attribution to the feature as per the usual
> methods, unless you requst some kind of special license above and
> beyond what GA already grant via the CC license.
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