Lidar data acquired by drone at the Bordeaux observatory (Floirac)

Acquisition date : 2022/07/06 Sensor :Yellowscan, Surveyor - GNSS-inertial station: Applanix APX-15 UAV - Lidar: Velodyne VLP16 (Puck) : Wavelength: 905 nm / 300,000 pulses per second (300 kHz) / 2 echoes per pulse / Angle of view: 360 deg - Accuracy: 4cm Vector: DJI Matrice 600 Pro drone Flight conditions : - Trajectory design: double grid, distance between lines: 40 m - Speed: 5m/s - Flight height: 50m above ground level, constrained by IGN DTM at 5m spatial resolution -Flight planning software: UGCS-4.0.134 Pre-processing software : - Applanix POSPac UAV 8.4: trajectory post-processing based on the UAV's GNSS inertial unit data, using a reference GNSS base station. The correction solution for each trajectory is exported as an ASCII SBET (Smoothed Best Estimated Trajectory) file. - Yellowscan CloudStation V2106.0.0: The SBET file is integrated into the software to generate point clouds in .las format projected in RGF93/Lambert 93.