基于MAPGIS的土地利用标准时点统一更新调查——以龙口市为例

THE UNIFORM UPDATED INVESTIGATION OF LAND USE AT STANDARD TIME BASED ON MAPGIS IN LONGKOU CITY

此次更新调查是在国家二调的基础上，利用调查底图，形成国家统一的标准时点数据库．本文通过开展更新调查，包括权属调查、外业调查等；利用MAPGIS更新软件进行数据变更，生成土地变更增量数据包，形成标准时点土地利用数据库．论文主要对数据库变更部分进行阐述，对变更中出现的问题进行讨论．

Abstract The investigation of land updated is based on the Second National Land Investigation, used the base map of investigation, and formed national uniform Standard Time Database. This paper use MAPGIS software to modify data, to produce incremental data packet of changes in land use, and to form standard time land use database by the investigating of land updated, such as ownership investigation, external investigation. The primary coverage of the paper is elaborating the changed part of database, and discussing the problem met in changing process.