liboctomap1.9 1.9.3+dfsg-2 (riscv64 binary) in ubuntu hirsute

 The OctoMap library implements a 3D occupancy grid mapping approach,
 providing data structures and mapping algorithms in C++ particularly suited
 for robotics. The map implementation is based on an octree and is designed
 to meet the following requirements: Full 3D model, Updatable, Flexible and
 Compact. This package contains the library itself.