Introduction basic thoughts when entity did assembling operation adopting octrees data strcutures , . regarded this thought as and guided and write out the concrete algorithm 詳細的論述了實體在作并、交、差集合運算時采用八叉樹算法的基本思想,以該思想為指導寫出了具體的算法。
Express different stages when in according to the entity , this text proposed 3 form structures in input stage , . do while assembling operation in the entity , the data structure adopted was octrees data structures 根據(jù)實體表示所處的不同階段,本文提出了在實體的輸入階段采用的數(shù)據(jù)結構為三表結構,在實體作集合運算時,采用的數(shù)據(jù)結構為八叉樹結構。