Provided by: xscreensaver-data-extra_5.08-0ubuntu3_i386 bug
 

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  sec-
                onds.).
 
        -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.
        X(1), xscreensaver(1)
 

COPYRIGHT

        Copyright (C) 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  copy-
        right  notice  appear in all copies and that both that copyright notice
        and this permission notice appear in supporting documentation.  No rep-
        resentations  are  made  about the suitability of this software for any
        purpose.  It is provided "as is" without express or implied warranty.
 

AUTHOR

        Jouk Jansen.