$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install Fox Toolkit on Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu Installing Fox Toolkit Guide

The Guide shows you Step-by-step How to Install FOX Toolkit and libFOX in Ubuntu GNU/Linux desktops.

And the FOX GUI Toolkit includes the C++ libFOX shared Libraries.

FOX provides a convenient way to start with 3D OpenGL Programming. The GLCanvas Widget provides a basic 3D drawing Surface.

The GLViewer Widget provides a complete Camera Model and Interactive Manipulation capability, including 3D picking, dragging, and Tooltips.

Finally, this Setup is Valid for All the Ubuntu-Based Distros like:

  • Linux Mint
  • Zorin OS
  • Lubuntu
  • Elementary OS
  • Kde Neon
  • Pop_OS!
  • Xubuntu
  • Linux Lite
  • Bodhi
  • Puppy
  • Kubuntu
  • LXLE
  • Trisquel
  • Voyager
  • feren OS
  • Peppermint
  • Linux Ultimate Edition
How to Install Fox Toolkit on Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu FOX GUI Toolkit Installation Guide