unknownpleasures man page on DragonFly
[printable version]
unknownpleasures(6) XScreenSaver manual unknownpleasures(6)
NAME
unknownpleasures - an animation of the signal from the pulsar PSR
B1919+21.
SYNOPSIS
unknownpleasures [-display host:display.screen] [-visual visual] [-win‐
dow] [-root] [-delay number] [-speed percent] [-count integer] [-reso‐
lution percent] [-no-ortho] [-fps]
DESCRIPTION
PSR B1919+21 (AKA CP 1919) was the first pulsar ever discovered: a
spinning neutron star emitting a periodic lighthouse-like beacon. An
illustration of the signal received from it was published in Scientific
American in 1971, and later in The Cambridge Encyclopedia of Astronomy
in 1977, where it was seen by Stephen Morris, the drummer of Joy Divi‐
sion, and was consequently appropriated by Peter Saville for the cover
of the band's album "Unknown Pleasures".
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.
-count number
Scanlines (vertical resolution). Default: 80.
-count number
Horizontal Resolution, Default: 100%.
-ortho | -no-ortho
Whether to use an orthographic projection.
-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 5.34 (24-Oct-2015) unknownpleasures(6)
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