From Object-Oriented view, the hierarchical model of Object-Oriented interactivegraphicsystem is discussed by building the aggregation object dynamically.
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。
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The classification of class in interactivegraphicsystem is proposed firstly by the basic primitive class, static aggregation class and dynamic aggregation class.