http://www.gissky.net- GIS空间站

依据主动数据库理论,针对当前GIS内部空间数据库维护和外部系统应用的情况,提出了主动数据库与GIS结合的必要性,比较了被动GIS和主动GIS的差异,讨论了空间数据库环境下的主动GIS的概念、特征,提出了研究内容和关键问题,设计了主动GIS的框架结构。

Based on theory of active database and instance of maintenance of spatial database and external application,the necessary of integrating GIS with active database is put forward.The difference of passive GIS and active GIS is compared.At the same time,the concept and character of active GIS in spatial database are discussed.Finally,research content and key problem is put forward,and framework of active GIS is designed.