A bundle adjustment may be used to refine measurements acquired using a spherical measurement system. These include theodolites, laser trackers, laser scanners, etc. Basically, a bundle adjustment will attempt to find the instrument transformations (positions and orientations) that yield the minimum combined pointing error.
Combine Point Groups.
This option can be used to combine point groups for use in a bundle. It takes a set of point groups with command point measurements as an input. It then builds a new point group. Each point within this group contain all of the observations from each of the input points from the selected groups.
Dissect Point Groups. This option offers the split a point group with multiple observations per point into separate point groups.