On Wed, Feb 1, 2012 at 11:58 PM, Gabriel Roldan <[email protected]> wrote:
> If you look at the WMTS spec [1], section E.4, Page 105, the
> GoogleMapsCompatible tile matrix set is defined for zoom levels 0 to
> 18. At the higher zoom level, with a pixel size of 0.5971.. meters. It
> seems that who defined the tile matrix set, Google or OGC, didn't
> think the projection makes sense at a lower scale denominator.

Things are changing, Google and Bing are going down to level 21
these days in certain areas... you can almost count the leaves on
the trees:
http://maps.google.com/?ie=UTF8&ll=37.763078,-122.424999&spn=0.000652,0.001013&t=h&z=21&vpsrc=6

It would be wise to redefine the built-in grid sets to reach 20 or 21.

Just my 2 cents on the topic

Cheers
Andrea

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Ing. Andrea Aime
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