数字正射影像图建库的思考

Considerations on building of digital orthophoto map database

介绍了数字正射影像生产的概念、流程 ,从数据的质量、数据共享和数据动态转换方面阐述了数据满足GIS的标准化要求 ,提出了正射影像数据结构、存储及管理的特点。

In this paper the conception of digital orthophoto map and its formation process are introduced. From data quality, data sharing and data's dynamic conversion the standardized requirements of GIS on data are elaborated. Furthermore, the data structure of DOM is proposed as well as the characters of storage and management.