<map name="JPL" type="geocentric" version="2">   
   <image name="daily_planet" driver="wms">
       <url>http://onearth.jpl.nasa.gov/wms.cgi</url>
       <layers>global_mosaic</layers>
       <format>jpeg</format>
       <styles>visual</styles>
       <tile_size>512</tile_size>
   </image> 
   
   <options>
       <terrain>
           <loading_policy mode="preemptive"/>
           <lighting>false</lighting>
       </terrain>
   </options>
</map>
