Fig. 3

Urban digital model of Nanhu District, Jiaxing City. Generated from UAV oblique photography (DJI Phantom 4 RTK) using Pix4D mapper (v4.4.12; https://www.pix4d.com).
Urban digital model of Nanhu District, Jiaxing City. Generated from UAV oblique photography (DJI Phantom 4 RTK) using Pix4D mapper (v4.4.12; https://www.pix4d.com).