【摘要】 本文从面向对象的观点出发，通过动态地建立聚合对象，讨论了面向对象的交互式图形系统的层次模型。首次提出将交互式图形系统中各种图形对象类划分为基本图元类、静态聚合对象类和动态聚合对象类的分类分法。更多还原

【Abstract】 From Object-Oriented view, the hierarchical model of Object-Oriented interactive graphic system is discussed by building the aggregation object dynamically. The classification of class in interactive graphic system is proposed firstly by the basic primitive class, static aggregation class and dynamic aggregation class.更多还原