摘要
介绍了GIS空间数据库中几种常见的空间数据模型,并对各自的特点进行了分析和比较;对空间数据模型进行了层次划分,比较了不同层次下的空间数据模型的特点,并展望了空间数据模型的发展方向。
This paper Introduces the common spatial data modals in spatial database of Geographic Information Syste(GIS), and introduces and contrasts the characters of these models; has a measure off in layer for the spatial models, contrasts the characters of spatial models under different layers, makes a preview for the development of spatial database model in the future.
出处
《地理空间信息》
2005年第1期37-39,共3页
Geospatial Information
