Abstract

Maritime structures are significant man-made objects located along coastlines that have drawn considerable attention in maritime navigation, coastal engineering, and urban planning. During the process of map generalization, some maritime structures need to be collapsed. In our study, first, the representation characteristics of these maritime structures are analysed. Second, based on these characteristics, an automated approach of identifying these maritime structures that will potentially be collapsed while simultaneously extracting their partially proportional symbols is developed. Third, based on scale-driven thresholds, the collapse method is automated by selecting extracted partially proportional symbols and is collaborated with coastline simplification. Finally, the proposed approach is tested on various coastlines and maritime structures, and the experimental results demonstrate that our approach is effective for collapsing maritime structures and collaborating with the simplification operator for the automated generalization of coastlines.

摘要

海上结构是位于海岸线上的重要人造物体，在海上航行，海岸工程和城市规划中引起了极大的关注。在地图概括过程中，一些海事结构需要倒塌。在我们的研究中，首先，分析了这些海事结构的表示特征。其次，基于这些特征，开发了一种自动方法，用于识别可能会倒塌的海事结构，同时提取其部分比例的符号。第三，基于比例驱动的阈值，通过选择提取的部分成比例的符号来使折叠方法自动化，并与海岸线简化协作。最后，在各种海岸线和海域结构上对提出的方法进行了测试，