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.TH XScreenSaver 1 "" "X Version 11"
.SH NAME
piecewise - lots of moving circles intersecting in interesting ways.
.SH SYNOPSIS
.B piecewise
[\-display \fIhost:display.screen\fP]
[\-visual \fIvisual\fP]
[\-window]
[\-root]
[\-delay \fInumber\fP]
[\-count \fInumber\fP]
[\-ncolors \fInumber\fP]
[\-colorspeed \fInumber\fP]
[\-minradius \fInumber\fP]
[\-maxradius \fInumber\fP]
[\-no-db]
[\-fps]
.SH DESCRIPTION
This draws a bunch of moving circles which switch from visibility to invisibility
when they intersect.
.SH OPTIONS
.TP 8
.B \-visual \fIvisual\fP
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.
.TP 8
.B \-window
Draw on a newly-created window. This is the default.
.TP 8
.B \-root
Draw on the root window.
.TP 8
.B \-delay \fInumber\fP
Per-frame delay, in microseconds. Default: 5000 (0.01 seconds.).
.TP 8
.B \-count \fInumber\fP
Number of circles. Default: 32.
.TP 8
.B \-ncolors \fInumber\fP
Number of colors, only one of which is used at a time. Default: 256.
.TP 8
.B \-colorspeed \fInumber\fP
How fast the color changes (0 - 100). Default: 10.
.TP 8
.B \-minradius \fInumber\fP
Minimum circle radius (as a proportion of screen height). Default: 0.05.
.TP 8
.B \-maxradius \fInumber\fP
Maximum circle radius (as a proportion of screen height). Default: 0.2.
.TP 8
.B \-db | \-no-db
Whether to double buffer.
.TP 8
.B \-fps
Display the current frame rate and CPU load.
.SH ENVIRONMENT
.PP
.TP 8
.B DISPLAY
to get the default host and display number.
.TP 8
.B XENVIRONMENT
to get the name of a resource file that overrides the global resources
stored in the RESOURCE_MANAGER property.
.SH SEE ALSO
.BR X (1),
.BR xscreensaver (1)
.SH COPYRIGHT
Copyright \(co 2003 by Geoffrey Irving. 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.
.SH AUTHOR
Geoffrey Irving.
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