Waymo Ranges as Depth

[gregorpm]

WildDet3D/scripts/data_prep/waymo/generate_waymo_depth_maps.py

Line 116 in 1b8aa52

lidar_row["[LiDARComponent].range_image_return1.values"]

According to the WOD, they use a spherical coordinate system, so range = sqrt(x^2+y^2+z^2). However, the code above assumes range = z, i.e. it assumes range is depth.