CAJ | 학술논문

保持基础地理信息的现势性是我国基础测绘工作的重要使命。为此，国家测绘地理信息局于2012年启动了国家基础地理信息数据库动态更新工程，对我国1∶5万、1∶25万、1∶100万基础地理信息数据库进行持续快速更新，每年更新一次、发布一版。本文介绍了动态更新的总体技术思路，阐述了基础数据库动态更新、派生数据库联动更新、多时态数据库管理服务等主体技术方法，并介绍了主要技术特点和工程应用效果。
보지기출지리신식적현세성시아국기출측회공작적중요사명。위차，국가측회지리신식국우2012년계동료국가기출지리신식수거고동태경신공정，대아국1∶5만、1∶25만、1∶100만기출지리신식수거고진행지속쾌속경신，매년경신일차、발포일판。본문개소료동태경신적총체기술사로，천술료기출수거고동태경신、파생수거고련동경신、다시태수거고관리복무등주체기술방법，병개소료주요기술특점화공정응용효과。
One of the most important missions of fundamental surveying and mapping work is to keep the fundamental geographic information fresh .In this respect ,National Administration of Surveying ,Mapping and Geoinformation has launched the project of dynamic updating of national fundamental geographic information database since 2012 ,which aims to update 1∶50 000 ,1∶250 000 and 1∶1 000 000 national fundamental geographic information database continuously and quickly ,by updating and publishing once a year .This paper introduces the general technical thinking of dynamic updating , states main technical methods ,such as dynamic updating of fundamental database ,linkage updating of derived databases ,and multi‐tense database management and service and so on ,and finally introduces main technical character‐istics and engineering applications .