GIS files created by the ME-DEM team.
The ME-DEM project exists to create a high-resolution digital elevation model of Tolkein's Middle Earth. The users monks and SeerBlue created a number of GIS layers to support this goal. Some of that data is now available here, as the user jvangeld improves the data for publishing in a WMS.
Forums are at: http://worlds.outercraft.com/forum/index.php#c1
If you want to use the data, just ask. We typically approve most personal and educational uses. Contributors are always welcome.
If you are looking for the 3D planetary renderer, head over to http://forum.outerra.com/index.php?topic=1491.0