Install libpgsbox5 by entering the following commands in the terminal:
sudo apt update sudo apt install libpgsbox5
Description:
Draw and label curvilinear coordinate grids with pgplot
PGSBOX draws and labels a curvilinear coordinate grid. The caller must provide a separate external function, NLFUNC, to define the non-linear coordinate transformation.
Homepage: https://www.atnf.csiro.au/people/mcalabre/WCS/
Version: 5.18-1
Section: universe/libs