Landmark
Check the LandmarkBase class code on GitLab
A Landmark is a geometric feature of the environment.
A Landmark has
A
std::mapof pointers to state blocks, indexed bychar, for example:'P'a point in space is a landmark with a state block specifying its Cartesian coordinates: [x y] for 2D, or [x y z] for 3D.
Eventually, a descriptor, used for feature-landmark matching.