Note for the Linux file:
After you save this file,
you will have to make it executable. Either
in a shell, give the command chmod +x cardiff; or
in a GUI desktop such as gnome with a file browser like Nautilus,
right-click on the file, select Properties, and look for an
option to set the Execute Permissions.
Sample Output -- Click on the thumbnails.
These are just snapshots.
It is much more interesting to run the program and watch the patterns evolve.
Here is a short clip, in the form of an animated GIF file:
out_anim.gif
(1.6 meg.)
