Le lundi 02 mai 2016 15:11:54, gunnarblom a écrit : > Even Rouault-2 wrote > > > Ah ok, you can generate overviews/zoom layers with gdaladdo / > > GDALBuildOverviews(). > > I tried using GDALBuildOverviews() but it generates a separate .ovr file > and does not include it in the MBTiles file, right?
Open the dataset in update mode to get proper internal overviews in lower zoom levels. > > If I'm looking at the code, it seems like it is checking that the database > isn't in read-only mode, but it never writes the actual overview/zoom > layers to the MBTiles database? What is going on there? It does, indirectly through GDALRegenerateOverviewsMultiBand() that will trigger the IWriteBlock() method. > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/gdal-dev-Questions-about-MBTiles-write > -support-GDAL-2-1-RC4-tp5263684p5263915.html Sent from the GDAL - Dev > mailing list archive at Nabble.com. > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev