User's Manual

Alpha3D Operation Quick Guide
ALPHA3D USER MANUAL | 2019-06 P a g e | 88
6.3 Data Pre-Processing Steps
Pre-processing is the first stage in the data processing process which can generate trajectory,
point cloud and panoramic pictures finally. During this process, there are two software will be
used: Inertial Explorer and CoPre. Inertial Explorer is first used to combine both base and rover
data to generate trajectory POS file. Detailed steps please check Part 5.2.2. CoPre is second
software used to process raw lidar data to generate point cloud and panoramic pictures.
Detailed steps please check Part 5.3.2.