building gis database 房产gis
GIS database building and map making are of major importance in practical production. They are large correlation in production, although there are very obvious different between them.
建立GIS数据库和编制地形图在生产实践中都具有重要意义，在生产中它们存在很大的相关性，但两者又有着非常明显的区别。
Data are the base of GIS. Building a database is the key and the important process of designing GIS.
数据是地理信息系统的基础，数据库的建设是地理信息系统建设的关键，也是最重要的一步。
Technologically, studies the building of GIS-database, the realizing of the application models, the integrating of application models with GIS, the designing and realizing of user's interface.
从技术方法上研究解决数据库的建立、应用模型的实现、应用模型与GIS环境的集成、用户界面的设计与实现等问题。
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