Provided by: xscreensaver-data-extra_5.36-1ubuntu1_amd64 
NAME
crystal - kaleidescope.
SYNOPSIS
crystal [-display host:display.screen] [-visual visual] [-window] [-root] [-grid] [-no-cell] [-centre]
[-nx number] [-ny number] [-count number] [-delay number] [-ncolors number] [-fps]
DESCRIPTION
Moving polygons, similar to a kaleidescope (more like a kaleidescope than the hack called `kaleid,'
actually.)
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.
-grid | -no-grid
Whether to draw grid.
-cell | -no-cell
Whether to draw the cell.
-centre | -no-centre
Whether to center on screen
-nx number
Horizontal Symmetries. -10 - 10. Default: -3.
-ny number
Vertical Symmetries. -10 - 10. Default: -3.
-count number
Count. -5000 - 5000. Default: -500.
-delay number
Per-frame delay, in microseconds. Default: 60000 (0.06 seconds.).
-ncolors number
Number of Colors. Default: 100.
-fps Display the current frame rate and CPU load.
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 © 2002 by Jouk Jansen. 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.
AUTHOR
Jouk Jansen.