摘要
通过对复杂雕刻型面的分析，提出了三种特征定义方法：类别定义法、功能定义法与形状定义法，探讨了雕刻实体特征描述方法，并提出用“轨迹包络法”来描述雕刻实体特征几何信息，建立了雕刻型体特征的“双链四表”数据结构及其拼合、贴合、嵌套、扭变等四种拓扑关系，并建立了相应的特征模型．
Based on analysis of complex sculpture profile, three kinds of feature definition methods are presented:classification definition, functional definition and shape definition. It approaches the feature description method of sculpture object, and improves a path enveloping method to describe the geometric information of sculpture object. The data structures with double links and four tables are designed. The four topological relationship of split, sticking, inserting and swing and its feature model are also built.
出处
《计算机辅助设计与图形学学报》
EI
CSCD
北大核心
1998年第4期333-340,共8页
Journal of Computer-Aided Design & Computer Graphics
基金
邮电部重点项目
