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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		      5.26 (09-Dec-2013)	   unknownpleasures(6)

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