According to the current situation of digital chart, an alogrithm of seamless contiguity has been proposed to address the overlap and gap due to chart subdivision.

• 从目前数字海洋地图的现状出发,针对数字海洋地图由分幅存储方式带来的叠幅(图幅间存在重叠区域)和缝隙两个问题,提出了一种无缝拼接的算法。