摘要
首先对数字地形图的发展进行了概述,然后介绍了城市1∶500数字地形图的生产方法、常用数据采集软件、生产流程及误差来源等,并详细叙述了数字地形图的检查规定、方法和检查中应注意的事项,最后根据实践,对城市1∶500数字地形图的检查提出了一些看法。
At first, this paper gives an outline of the development of digital topographic map, and then introduces the production method, data acquisition software in common use, work flow, the source of error, and expounds the check-up prescription, the method and items which would be paying attention to in check work, finally, several opinions are put forward for urban 1：500 topographic map check.
出处
《地矿测绘》
2008年第4期21-24,共4页
Surveying and Mapping of Geology and Mineral Resources
关键词
比例尺
数字地形图
检查
精度
规范
误差
scale
digital topographic map
check
precision
specification
error
