目前,基于路段中心线的二维道路网络模型已经普遍存在,但其在几何特征及拓扑关系表达等方面都难以满足复杂交通系统的需求。
The information of centerlines can not cover the changes of lanes, and the two-dimensional model is also inadequate in the expression of three-dimensional transportation networks.
目前,基于路段中心线的二维道路网络模型已经普遍存在,但其在几何特征及拓扑关系表达等方面都难以满足复杂交通系统的需求。
The information of centerlines can not cover the changes of lanes, and the two-dimensional model is also inadequate in the expression of three-dimensional transportation networks.
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