   who can tell me what is ABT?
  i read <<more opengl game progamming>>and read the part of ABT,but i can not understand it,who can tell me what is the abt? is there a picture can tell me how the abt works?many thanks!   
  ABT could be the abriviation fro Adaptiv Binary Tree(abt is the abr for the adaptive binary tree but maybe they're talking about sth else in that book).Some links to other threads:Link1link2Link3Link4Link5Link6regards,m4gnus