On mardi 13 février 2018 02:06:47 CET jratike80 wrote: > Even Rouault-2 wrote > > > On lundi 22 janvier 2018 23:40:55 CET Even Rouault wrote: > >> Hi, > >> > >> > P.S. @Even: Any news on a GDAL/OGR MVT reader? > >> > >> Yes, a new OGR MVT reader has just been committed in GDAL trunk: > >> http://gdal.org/drv_mvt.html > > > > And the writer part (for MVT and MBTILES) driver is now in trunk > > > > http://gdal.org/drv_mvt.html > > http://gdal.org/frmt_mbtiles.html > > > > Even > > Hi, > > At the moment we create MVT tiles from PostGIS with ST_AsMVT to suit with > the national gridset that is based on ETRS-TM35FIN (EPSG:3067) coordinate > system. How difficult would you consider to enhance the driver to split and > write vector tiles according to other gridsets than the Web Mercator one?
Not that much. But is there a standard way of deriving the tiling scheme for that CRS ? I guess not. You'd probably need to manually define the coordinate of the left-corner of the tile (0,0) in the CRS and the resolution of the tile at zoom level 0. Even -- Spatialys - Geospatial professional services http://www.spatialys.com
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