基于DOM和Lidar数据的地形图要素快速更新方法探讨

Discussion on the Quick Update Method of Topographic Features Based on DOM and Lidar

在当前经济飞速发展的时代,使用传统方法进行地形图的更新,速度远远跟不上需要。2维信息丰富的DOM和3维信息精确的Lidar数据结合使用,相互补充相互辅助获取地形图要素是一种快速有效的方法。本文主要探讨如何分别利用DOM和Lidar数据提取2维和3维地形图要素,然后进行合并编辑,实现对地形图要素快速更新的方法。

Economy is developing at very fast speed in current era. The speed of map update by traditional methods could not meet the requirements. It is a quick and efficient metlaod to obtain features of the topographic map by combining DOM with abundant 2 - dimention information with Lidar data with accurate 3 - dimention information. This paper introduced the method using DOM and Lidar data to get features of 2 - dimention and 3 - dimention topographic map respectively, then combining them together to edit, and finally update topographic map features quickly.