Thank you very much. That's very useful information. I've started using the <ZeroBlockHttpCodes> element in our WMS control files.
Thanks, carl On Tue, Jul 7, 2015 at 7:26 AM, Even Rouault <even.roua...@spatialys.com> wrote: > Le mardi 07 juillet 2015 16:02:11, Carl Godkin a écrit : > > Hi, > > > > I would like to know if there's a way to determine if a GDAL WMS download > > is going to work or not from the information in the local description > file. > > Carl, > > From a quick testing, it seems there are tiles up to zoom level 14 included > everywhere on the 's' layer (even on oceans). But starting with zoom level > 15, > tiles on oceans are missing. > > If you use GDAL 1.11 or above, you can avoid failures on missing tiles by > adding <ZeroBlockHttpCodes>404</ZeroBlockHttpCodes> in the XML file. > > Even > > -- > Spatialys - Geospatial professional services > http://www.spatialys.com >
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