摘要
如今,地理信息包含了不同类型的数据,而这些数据是通过多种方法在不同时期所采集到的,例如在利用影像图片进行影像分析时所获得的数据。因此,就很有必要开发数据组织和管理的新技术新方法。作者利用关系数据库管理系统来研究定向数据模型方法,以使得非专业人员可以方便地使用这些数据。
Geography information includes all kinds of different data which gathered by various methods during the corresponding period. For example, when using image diagram, to achieve the data during image analysis. Therefore, it is very necessary to develop new method and new technique for data organization and data management. The authors study directiondatamodel and method by using relating DBMS, then making nonprofessional personnel expediently use these data.