Install gem by entering the following commands in the terminal:
sudo apt update sudo apt install gem
Description:
Graphics Environment for Multimedia - Pure Data library
Gem is a loadable library for Pure Data (Pd), which adds OpenGL graphics rendering and animation to Pd. Pd is a graphical programming language and computer music system. . This package contains the core library. If you want to use external data (live video capture, film footage, still images,...), you have to install one (or all) of the gem-plugin-* packages.
Homepage: https://gem.iem.at/
Version: 1:0.93.3-13
Section: universe/graphics