HEAD IN THE CLOUD
High definition 3d laser scanners, such as the Riegl VZ-400i, acquire millions of lidar measurement points per position. Each measurement point contains X,Y,Z coordinates as well as other optical properties (reflectance, color, echo). Multiple scan positions are registered (stitched) to create pointclouds.
Pointclouds represent reality for powerful 3D visualization while providing geo-spatial information for accurate mapping. There are various ways to display pointclouds in order to highlight features or changes such as in elevation.