closest_xyz_range_020ft_200ft Published April 30, 2018 at 949 × 794 in New Step-by-Step Tutorial for Velodyne Drone LiDAR from Snoopy by LidarUSA ← Previous Next → Visualization of the closest distance of any return from the trajectory for every square foot with 20 ft (or less) being mapped to blue and 200ft (or more) being mapped to red.