Combining with the actuality of highway design, this paper gave a brief talk on the setup of vector digital map in highway design.
结合目前公路设计的现状，浅谈公路设计中数字地图的建立。
Because of their advantages such as small data size, high precision, lossless scaling and easiness to manipulate, vector digital maps are the most important resources in GIS.
其中矢量形式的数字地图由于具有数据量小，精度高，可以无损缩放，便于进行各种操作等优点，是GIS中最重要的资源。
This paper discusses the above problems basing on Husuzhe electric map exploring practices, summarizes the design principle and method of common vector digital map on map design.
本文以沪苏浙电子地图的开发实践为基础，对上述问题进行了探讨，并从地图设计的角度总结了通用型矢量电子地图的设计原理与方法。
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