1 .TH XScreenSaver 1 "" "X Version 11"
3 unknownpleasures - an animation of the signal from the pulsar PSR B1919+21.
6 [\-display \fIhost:display.screen\fP]
7 [\-visual \fIvisual\fP]
10 [\-delay \fInumber\fP]
11 [\-speed \fIpercent\fP]
12 [\-count \fIinteger\fP]
13 [\-resolution \fIpercent\fP]
17 PSR B1919+21 (AKA CP 1919) was the first pulsar ever discovered: a spinning
18 neutron star emitting a periodic lighthouse-like beacon. An illustration of
19 the signal received from it was published in Scientific American in 1971,
20 and later in The Cambridge Encyclopedia of Astronomy in 1977, where it was
21 seen by Stephen Morris, the drummer of Joy Division, and was consequently
22 appropriated by Peter Saville for the cover of the band's album "Unknown
26 .B \-visual \fIvisual\fP
27 Specify which visual to use. Legal values are the name of a visual class,
28 or the id number (decimal or hex) of a specific visual.
31 Draw on a newly-created window. This is the default.
34 Draw on the root window.
36 .B \-delay \fInumber\fP
37 Per-frame delay, in microseconds. Default: 30000 (0.03 seconds.).
39 .B \-speed \fInumber\fP
40 Animation speed. 2 for twice as fast, 0.5 for half as fast.
42 .B \-count \fInumber\fP
43 Scanlines (vertical resolution). Default: 80.
45 .B \-count \fInumber\fP
46 Horizontal Resolution, Default: 100%.
48 .B \-ortho | \-no-ortho
49 Whether to use an orthographic projection.
52 Whether to show a frames-per-second display at the bottom of the screen.
57 to get the default host and display number.
60 to get the name of a resource file that overrides the global resources
61 stored in the RESOURCE_MANAGER property.
66 Copyright \(co 2013 by Jamie Zawinski. Permission to use, copy, modify,
67 distribute, and sell this software and its documentation for any purpose is
68 hereby granted without fee, provided that the above copyright notice appear
69 in all copies and that both that copyright notice and this permission notice
70 appear in supporting documentation. No representations are made about the
71 suitability of this software for any purpose. It is provided "as is" without
72 express or implied warranty.