基于GIS空间分析的任意多边形骨架线自动提取方法
宋仁波, 朱瑜馨, 丁上珊, 贺巧宁, 王细元, 王月香

An automatic method for extracting skeleton lines from arbitrary polygons based on GIS spatial analysis
Renbo SONG, Yuxin ZHU, Shangshan DING, Qiaoning HE, Xiyuan WANG, Yuexiang WANG
图4 任意多边形的约束Delaunay三角剖分及其模型
Fig.4 Processes of creating constrained Delaunay triangulation of arbitrary polygons and its model