Data organization and processing serve as the base of the digital mapping, and the USES of its methods are the important contents for building GIS.
数据组织及处理作为数字化测图的基础，其方法的应用是地理信息系统建立的重要内容。
On the base of analyzing the character and structure of the point, line, area symbols, a data structure of map symbol base which serves the symbolized output in digital mapping is put forward.
论述了在数字制图环境下地图输出的特点，在分析了地图上点、线、面符号特征和构造原理的基础上，提出了一种用于数字地图符号化输出的地图符号库数据结构。
However, many studies have only focused on computer-aided mapping, or data base management, in the model, decision-making and revision of automation on a relatively small.
然而已有的诸多研究只侧重于计算机辅助制图，或者基础数据的管理，在模型建立、辅助决策以及修编的自动化方面研究相对较少。
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