↓ 9 callersMethodcorner\returns the vertex of the bounding box at the corner defined by
* the corner-id corner. It works only for a 1D, 2D or 3D bounding box.
* For
planner/lib/3rdparty/gtsam-4.1.1/gtsam/3rdparty/Eigen/Eigen/src/Geometry/AlignedBox.h:146