Hi Jukka,
Our GPKG (osm_4326.gpkg) contains OSM tiles, with an InspireCRS84Quad
<https://gdal--13880.org.readthedocs.build/en/13880/drivers/raster/gpkg.html#tiling-schemes>
tiling scheme. The pyramid goes from Z=0 down to Z=13.
In the Mapfile, the layer's DATA is coming from the MapCache WMTS layer
(i.e. the GPKG file).
Mapfile excerpt :
LAYER
NAME "osm_4326"
METADATA
"wms_title" "OpenStreet Map WMS"
END
TYPE RASTER
DATA "baselayers_gdal_osm.xml"
PROJECTION
"init=epsg:4326"
END
END
baselayers_gdal_osm.xml content:
<GDAL_WMTS>
<GetCapabilitiesUrl>
http://localhost/mapcache/wmts?request=GetCapabilities&SERVICE=WMTS
</GetCapabilitiesUrl>
<Layer>osm_4326</Layer>
<Style>default</Style>
<TileMatrixSet>WGS84</TileMatrixSet>
<DataWindow>
<UpperLeftX>-180.0</UpperLeftX>
<UpperLeftY>90.0</UpperLeftY>
<LowerRightX>180.0</LowerRightX>
<LowerRightY>-90.0</LowerRightY>
</DataWindow>
<BandsCount>4</BandsCount>
<Cache/>
<UnsafeSSL>true</UnsafeSSL>
<ZeroBlockHttpCodes>204,404</ZeroBlockHttpCodes>
<ZeroBlockOnServerException>true</ZeroBlockOnServerException>
</GDAL_WMTS>
WMTS cache definition:
<cache name="osm_cache_4326" type="sqlite3">
<dbfile>/xxx/osm_4326.gpkg</dbfile>
<queries>
<get>select tile_data from tiles where tile_column=:x and
tile_row=:inv_y and zoom_level=:z</get>
</queries>
</cache>
<tileset name="osm_4326">
<cache>osm_cache_4326</cache>
<grid restricted_extent="-180.0,-90.0,180.0,90.0">WGS84</grid>
<format>PNG</format>
<metadata>
<title>OSM (Fond de carte) WGS84</title>
</metadata>
</tileset>
Philippe
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