介绍了各发展阶段的典型空间数据模型,从商业软件和模型的标准化两个方面阐述了空间数据模型的发展现状。在综合现有理论和成果的基础上,总结了当前空间数据模型发展的不足以及今后的发展趋势。
Typical spatial data models at different development stages are reviewed, with commercial software and model standardization emphasized. Based on the analysis of current theories and products, the existing issues and development trends of spatial data models are summarized.