Install gem-extra by entering the following commands in the terminal:
sudo apt update sudo apt install gem-extra
Description:
Graphics Environment for Multimedia - extra objects
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 includes some contrib objects, mainly for tracking. Currently included objects are: [pix_mano], [pix_drum] tracking objects by Jaime Oliver [pix_fiducialtrack] reacTIVision-like tracking
Homepage: https://gem.iem.at/
Version: 1:0.93.3-13
Section: universe/graphics