osgearth cache
<map name="readymap.org" type="geocentric"> <options> <!--Specify where to cache the data--> <cache type="filesystem"> <path>cache</path> </cache> </options> <image name="readymap_imagery" driver="tms"> <url>http://readymap.org/readymap/tiles/1.0.0/7/</url> </image> <elevation name="readymap_elevation" driver="tms"> <url>http://readymap.org/readymap/tiles/1.0.0/116/</url> </elevation> </map>