The Research on Obtaining the Geometric Dimension of Cable-Stayed Bridges Based on 3D Laser Scanning

Table 1

Scanning parameters of Leica Scan Station P40 [16].

Parameters	Data
Distance accuracy	1.2 mm + 10 ppm
Point accuracy	3 mm@50 m; 6 mm@50 m
Target acquisition accuracy	2 mm@50 m
Noise range	0.4 mm·rms@10 m; 0.5 mm·rms@50 m
Scanning rate	1 million points/s
Scanning range	360° horizontally; 290° vertically