quasicrystal man page on Mageia
[printable version]
quasicrystal(6) XScreenSaver manual quasicrystal(6)
NAME
quasicrystal - aperiodic plane tilings.
SYNOPSIS
quasicrystal [-display host:display.screen] [-visual visual] [-window]
[-root] [-delay number] [-speed number] [-count number] [-contrast per‐
cent] [-no-wander] [-no-spin] [-asymmetric] [-fps]
DESCRIPTION
A quasicrystal is a structure that is ordered but aperiodic. Two-
dimensional quasicrystals can be generated by adding a set of planes
where x is the sine of y. Different complex aperiodic plane tilings are
produced depending on the period, position, and rotation of the compo‐
nent planes, and whether the rotation of the planes is evenly distrib‐
uted around the circle (the "symmetric" option, above) or random. See
also the "RD-Bomb", "CWaves" and "Penrose" screen savers.
http://en.wikipedia.org/wiki/Quasicrystal
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: 30000 (0.03 sec‐
onds.).
-speed number
Animation speed. 2 for twice as fast, 0.5 for half as fast.
-contrast contrast
Contrast. Sort of. Default 30%.
-count number
How many planes to use. Default 17.
-wander | -no-wander
Whether the planes should displace horizontally and vertically.
-spin | -no-spin
Whether the planes should rotate.
-asymmetric
Allow each plane to rotate freely instead of being constrained
to an even distribution around the circle.
-fps | -no-fps
Whether to show a frames-per-second display at the bottom of
the screen.
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.
SEE ALSO
X(1), xscreensaver(1)
COPYRIGHT
Copyright © 2013 by Jamie Zawinski. Permission to use, copy, modify,
distribute, and sell this software and its documentation for any pur‐
pose 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 repre‐
sentations are made about the suitability of this software for any pur‐
pose. It is provided "as is" without express or implied warranty.
AUTHOR
Jamie Zawinski.
X Version 11 5.26 (09-Dec-2013) quasicrystal(6)
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