基于圈层结构的游客活动空间边界提取新方法

吴朝宁, 李仁杰, 郭风华

A novel method for extracting spatial boundary of tourist activity based on circle structure

WU Zhaoning, LI Renjie, GUO Fenghua

图3 圈层边界概念图和“Hie-Density”曲线

Fig. 3 Conceptual map of circle boundary and curve of "Hie-Density" model