If you follow the links on the left to Siege University for Dungeon Siege 1 there's additional information on basic mapping and how the Editor works. Some of it is out-dated but if you follow the tutorial on making your first map, that is still relevantjust replace references to Siege Editor 1 with Siege Editor 2); http://web.archive.org/web/20070608190317/http://garage.gaspowered.com/?q=su_100
Something that also will be very useful is Siege University which has a lot of information and tutorials on using the Editor.
http://web.archive.org/web/20080613131007/http://garage.gaspowered.com/?q=siegeu2
If you follow the links on the left to Siege University for Dungeon Siege 1 there's additional information on basic mapping and how the Editor works. Some of it is out-dated but if you follow the tutorial on making your first map, that is still relevantjust replace references to Siege Editor 1 with Siege Editor 2); http://web.archive.org/web/20070608190317/http://garage.gaspowered.com/?q=su_100