开放式地图符号体系的设计在GIS以及数字地图制图系统中占有重要的地位。
The design of open map symbol system plays an important role in GIS and cartography.
多边形点符自动填充是数字地图制图、电子地图制作和GIS中不可缺少的功能。
It is the basic function in the digital cartographic, electronic cartographic and GIS, the polygon be filled with point symbol.
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。
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.
以数字制图为内容，阐述了利用计算机制作应用于城市规划的数字地图的原理和方法。
This paper describes the principles and techniques of computer mapping oriented to the urban planning.
以数字制图为内容，阐述了利用计算机制作应用于城市规划的数字地图的原理和方法。
This paper describes the principles and techniques of computer mapping oriented to the urban planning.
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