摘要
1∶2 0万数字水文地质图空间数据库是“数字国土”的重要组成部分 .应用MAPGIS作为建立数据库的操作平台 ,通过对基础资料的矢量化 ,将所得的综合点、线文件进行编辑 ,误差校正后 ,分层形成图形文件 ,将图形文件与属性文件相联接 ,再通过投影转换和数据格式转换 ,形成数字水文地质图空间数据库 。
digital hydrology geology map spatial data base is one of the important components of “digital land”. With MAPGIS as the platform of establishing data base, by inputing the vectorial basic data, and editing the graphic elements(dots, lines,ect.), correcting errors, establishing the layer file, connecting attribute, converting projection and format, in the end the digital hydrology egology map spatial data base is established, so it can provide the important basic data for spatial analysis and all-purpose development.
出处
《青岛建筑工程学院学报》
2004年第4期85-88,共4页
Journal of Qingdao Institute of Architecture and Engineering
