Linear symbol is often used in maps. In thus paper,the logical function of struc-ture of linear symbol is given, based on theory of structure of linear symbol. For need of map reader, some algorithm in computer-assisted realization is discussed.
Disclaimer: The English version of this article is automatically generated by Baidu Translation and only for reference. We therefore are not responsible for its reasonableness, correctness and completeness, and will not bear any commercial and legal responsibilities for the relevant consequences arising from the English translation.