浅谈大比例尺数字地形图缩编方法

随着城市建设步伐加快,城市规划需要将现有的大比例尺数字地形图缩编成所需比例尺的数字地形图。本文主要介绍在MappingStar软件中利用1∶10 000数据缩编1∶50 000地形图中各层要素时综合、取舍的处理方法和原则,并对缩编过程中的注意事项进行简要说明。

The Discussion of Downsizing Methods in Large Scale Digital Topographic Maps

With the expansion of the military scope,city planning will need more in getting required scale digital topographic maps by downsizing the existing large scale digital topographic maps. The choice of processing methods and principles about the elements of layers are introduced during the downsizing from 1： 10000 data to 1： 50 000 data in this paper. And the precautions are described briefly in that downsizing.