For those who interest in quest data, I've post a comment at rythal's site.
http://rythal.com/forums/topic/state-5-04-09/#post-245
(The function names are before Carbonite going open source)
The main difficulty is to map wowhead object to object order in game, and to transfer the dot point to facet (area with height and width). I'm rather hopeless for these two tasks.