基于VB的AutoCAD格式DLG与DEM叠加质检程序设计与实现

摘要

主要介绍在基础地理信息数据库数字3D(DLG、DOM、DEM)产品生产时,如何对DLG的高程点与DEM的格网匹配情况进行质检,并基于VB编程来实现计算机检查,从而提高检查的效率和可靠性.%The article mainly introduces the basic geo - information database of digital "3D ( DLG、DOM and DEM) " product production to conduct quality inspection for the match between DLG elevation point and DEM grid, and implements computer check based on VB programming, in order to improve efficiency and reliability.