Another example of the fun you can have with moire interference patterns;
this hack generates fields of concentric circles or ovals, and combines the
planes with various operations. The planes are moving independently of one
another, causing the interference lines to ``spray.''
OPTIONS
-visual visual
Specify which visual to use. Legal values are the name of a visual class,
or the id number (decimal or hex) of a specific visual.
-window
Draw on a newly-created window. This is the default.
-root
Draw on the root window.
-delay number
Per-frame delay, in microseconds. Default: 50000 (0.05 seconds.).
-ncolors number
Number of Colors. Default: 150.
-thickness number
Thickness of lines, in pixels. Default: 0.
ENVIRONMENT
DISPLAY
to get the default host and display number.
XENVIRONMENT
to get the name of a resource file that overrides the global resources
stored in the RESOURCE_MANAGER property.
