well if we are going to be pedantic a sphere does have two sides 'in' and 'out' although putting a texture on one of those isn't going to help anyone
more seriously
have a look here AngerfisT:
xara 3D: http://www.talkgraphics.com/showthre...ighlight=globe
xara xtreme: http://www.talkgraphics.com/showthread.php?t=25763
Bookmarks