摘要： 图形标准PHIGS中一个显著的特点是提供了图形结构化设计的可能性,本文根据这部分实现中的经验阐明了图形结构化的内部结构及其相应的模型变换和属性继承等问题,并对其的优点加以归纳。

Abstract: One obvious feature of international graphics standard PHIGS is the possibility of structured graphical design. This paper describes the internal organization of graphical structure and its attribute succession and model transformation by our experience of implementation. Then the advantages of structured graphical design are gummed up.