【摘要】 分析了现有几种等高线断点处理的方法 ,针对冲沟、陡崖、高程注记等最常见的影响因子各自不同的形态特点 ,提出了一种基于知识的断点连接方法。更多还原

【Abstract】 This paper deals with the automatic connection of the contour lines extracted from a scanned geographic map and proposes a knowledge-based method which aims at adoping different operators to different faetors, taking example mainly by gulch, ciff and elevation annotation etc.更多还原