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moire(6x) XScreenSaver manual moire(6x)


moire - draw circular interference patterns


moire [--display host:display.screen] [--foreground color] [--background color] [--window] [--root] [--window-id number][--mono] [--install] [--visual visual] [--delay seconds] [--random boolean] [--ncolors int] [--offset int] [--fps]


The moire program draws cool circular interference patterns.


moire accepts the following options:

Draw on a newly-created window. This is the default.
Draw on the root window.
--window-id number
Draw on the specified window.
If on a color display, pretend we're on a monochrome display.
Install a private colormap for the window.
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.
How long to wait before starting over. Default 5 seconds.
Whether to ignore the foreground/background colors, and pick them randomly instead.
The maximum random radius increment to use.
How many colors should be allocated in the color ramp (note that this value interacts with offset.)
Display the current frame rate and CPU load.


to get the default host and display number.
to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.
The window ID to use with --root.


X(1), xscreensaver(1)


Copyright © 1997 by Jamie Zawinski. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. No representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.


Jamie Zawinski <>, 27-Apr-97, based on code by Michael D. Bayne <>.

6.09 (07-Jun-2024) X Version 11