On 19 March 2010 10:31, John Smith <deltafoxtrot...@gmail.com> wrote:
> On 19 March 2010 11:22, Stephen Hope <slh...@gmail.com> wrote: > > Well, I understand the resolution over Rottnest Island is better than > > anywhere else, so that ought to give an idea of what they can do. But > > I thought Perth CBD was, since you can tell the direction of the > switch points on railway lines, although I haven't compared other > areas. > Both Rottnest surveys & Perth CBD 15/5/09 go down to approx 3cm resolution. Or if you want to talk in slippymap terms, zoom 23 (scale 2m). Other surveys typically go down to zoom 21/5m. Cheers b -- Ben Last Development Manager (HyperWeb) NearMap Pty Ltd
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