And then, obstacle avoidance based on Vector Field Histogram method is introduced in detail, the basic idea and the framework of the algorithm are introduced.

然后，对基于矢量场矩形法的移动机器人避障方法进行了研究，并对矢量场矩形法的基本思想及算法架构进行了介绍。

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This paper makes an analysis of the characteristics of vector linear symbol and its basic components in GIS field, and puts forward a general filling algorithm.

该文分析了GIS中矢量线状符号的特点与基本构成，提出了一种高效且通用的矢量线状符号的填充算法。

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