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7 3种三角形类型的骨架线连接
Fig.7 Three types of triangles for connecting the skeleton lines