Install cl-spatial-trees by entering the following commands in the terminal:
sudo apt update sudo apt install cl-spatial-trees
Description:
Spatial trees Common Lisp library
spatial-trees provides access to dynamic index structures for spatially-extended data, all exposed through a uniform CLOS interface. Currently it supports the following data structures: R-trees, Greene-trees, R*-trees, X-trees.
Homepage: http://www.cliki.net/spatial-trees
Version: 0.2-6
Section: universe/devel