Making Trail Layers
From World Wind Wiki
12:44:32 < [-bull-]> for lwr I used expertgps, saved as csv, loaded it in notepad changed commas to spaces used the web app then pathlistarchiver, then made the xml, it definately does need to be easier than that
12:39:33 < T_Servo> like.. does it REALLY need to be this complex to show a track? You have the points in the XML, wouldn't it be just as easy to draw the lines off of that?
12:39:39 <+jessi-nlt> like, going into WW, clicking your trail, and getting an XML
PLT to NASA World Wind
This tool converts GPS track data written in Ozi Explorer PLT format into NASA World Wind
This thread in the forums has a lot of info on making a trail Norway's Prehistoric Hillfort Waypoints Thread