What I have learned sense my last post on REST/WMTS in MapServer is that
ArcOnline REST services are known as WMTS or web map tile services and with
GDAL 1.7 or better you can use an xml proxy file in conjunction with gdal to
access any WMTS. With this configuration the WMTS behaves like any WMS. Speed
and performance is comparable to WMS but resolution is sometimes iffy. My
layer def and gdal xml file is as follows. Thanks to Robert, Mark, and others .
LAYER
NAME "esri_imagery"
TYPE RASTER
STATUS OFF
DATA "/data/gis/www/html/cso/esri_imagery.xml"
PROCESSING "OVERSAMPLE_RATIO=1.0"
METADATA
"wms_title" "World_Imagery"
"wms_name" "World_Imagery"
"wms_srs" "EPSG:3785"
END
PROJECTION
"init=epsg:3785"
END
CLASS
NAME "ESRI Imagery"
KEYIMAGE "/data/gis/www/html/ms_common/colorphoto_sym.png"
END
END
<GDAL_WMS>
<Service name="TMS">
<Version>1.1.1</Version>
<ServerUrl>http://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/${z}/${y}/${x}.png</ServerUrl>
</Service>
<DataWindow>
<UpperLeftX>-20037508.342787</UpperLeftX>
<UpperLeftY>20037508.342787</UpperLeftY>
<LowerRightX>20037508.342787</LowerRightX>
<LowerRightY>-20037508.342787</LowerRightY>
<TileLevel>19</TileLevel>
<TileCountX>1</TileCountX>
<TileCountY>1</TileCountY>
<YOrigin>top</YOrigin>
</DataWindow>
<Projection>EPSG:3857</Projection>
<BlockSizeX>256</BlockSizeX>
<BlockSizeY>256</BlockSizeY>
<BandsCount>3</BandsCount>
<Cache />
</GDAL_WMS>
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