This paper introduces the GIS space point? Line? Surface entity model based on topology data and the automatic topology model which is based on the objects model.
介绍了以拓扑关系数据为基础的GIS空间点、线、面对象实体模型，给出了基于对象实体模型的自动拓扑关系模型。
This paper introduces the GIS space point? Line? Surface entity model based on topology data and the automatic topology model which is based on the objects model.
介绍了以拓扑关系数据为基础的GIS空间点、线、面对象实体模型，给出了基于对象实体模型的自动拓扑关系模型。
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