This paper presents the data structure of quadtree coding for geo graphics data.
介绍了地学图形数据的四叉树编码数据结构。
Based on the transient process program that is oriented graphics system, the author gives a new kind of coding principle and discusses its theoretical basis and the processing method.
基于面向图形系统的水电站过渡过程程序，提出了新的编码原则。并对此编码原则的理论基础和处理方法予以了讨论。
The first method that I mentioned is fairly applicable. It is simply an addition of new classes and provides no serious problem for coding, graphics or testers.
前述第一种方法非常易行，仅仅增加新的职业，并不会带来很多写代码、美工和测试的麻烦。
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