[gdal-dev] WMTS - Need TileLevel option Servers responding with bad capabilities

[esacree]

Question:  Is it possible to get a TileLevel option added to the new GDAL
WMTS driver?

Reason:  WMTS servers at USGS and ESRI are returning XML Capabilities with
TileLevel 18 (Google) or TileLevel 19 (default028mm).   The USGS help desk
said that the tile servers are only serving up to Tile Level 15.  The new
GDAL WMTS driver always request data from the max TileLevel in the
Capabilities.  The mismatch between the WMTS XML capabilities and the actual
maximum TileLevel are causing the GDAL WMTS driver requests to fail with
Error 404 (not found).

I have requested that they correct the WMTS XML Capabilities documents.  

Suggestion:  Could a "TileLevel" parameter be added to the WMTS GDAL driver
to limit the TileLevel to one that is available?   A TileLevel parameter
would help work around this situation.

Thanks!

Elaine



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