【摘要】 在计算机辅助设计与制追(CAD/CAM)中,自由曲面求交速度的快慢及存贮交点所占的内存空间大小,不仅关系到计算机硬件系统配置的规模,而且直接影响到计算机辅助设计系统的实际工作效率。本文在国内外有关资料基础上对自由曲面求交算法作了系统地研究,对求交算法作了分类,论述了近年来国外,国内学者在这方面所从事的研究工作,对国外目前被人们认为有效而稳定的求交算法进行了较系统的评介,同时,对求交法提出了自己的见解。更多还原

【Abstract】 In CAD/CAM,the speed of calculating the intesections and the memo- ry space occupeid by the intersection points data not 0nly have something to do with the scale of the computer’s hardware system,but also have direct influence on CAD system’s practical working efficiency.This paper,based on materials concerned,gives a full study on intersection of free surfaces.And it classifies the intersection algorithms,discusses research work both abroad and home,and comments on the intersection algorithms,which are considered to be effective and stable at present.And some improved ideas are proposed by the authors。更多还原