[postgis-users] How to generate polygon grid for tiled map services

Gis Mage gismage at gmail.com
Fri Mar 30 03:42:39 PDT 2012

Hi list!

I'm wondering if there is a formula to generate 20 tables (one for
each zoom level) of square polygons, representing a tile grid of
popular TMS like OSM or MapQuest?

I guess there shoud be a way to convert x,y,z tile coordinates to
lat/lon coordinates in PostGIS.

More information about the postgis-users mailing list