1glmatrix(6x)                  XScreenSaver manual                 glmatrix(6x)
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NAME

6       glmatrix - simulates the title sequence effect of the movie
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SYNOPSIS

9       glmatrix  [--display  host:display.screen]  [--window] [--root] [--win‐
10       dow-id number][--install] [--visual visual]  [--delay  usecs]  [--speed
11       ratio] [--density pct] [--no-fog] [--no-waves] [--no-rotate] [--binary]
12       [--hexadecimal] [--dna] [--clock] [--timefmt fmt] [--wireframe] [--fps]
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DESCRIPTION

15       The glmatrix program draws the 3D "digital rain" effect, as seen in the
16       title sequence of the Wachowski brothers' film, "The Matrix".
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18       Also  see xmatrix(6x) for a 2D rendering of the similar effect that ap‐
19       peared on the computer monitors actually in the movie.
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OPTIONS

22       glmatrix accepts the following options:
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24       --window
25               Draw on a newly-created window.  This is the default.
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27       --root  Draw on the root window.
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29       --window-id number
30               Draw on the specified window.
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32       --install
33               Install a private colormap for the window.
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35       --visual visual
36               Specify which visual to use.  Legal values are the  name  of  a
37               visual  class,  or the id number (decimal or hex) of a specific
38               visual.
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40       --delay usecs
41               The delay between frames of the animation, in microseconds: de‐
42               fault 30000.
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44       --speed ratio
45               How  fast the glyphs should move; default 1.0.  2.0 means twice
46               as fast, 0.5 means half as fast.
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48       --density percentage
49               The approximate percentage of the screen that should be  filled
50               with characters at any given time.  Default 20%.
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52       --no-fog
53               By  default, glyphs are dimmer the farther away they are.  This
54               argument disables that.
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56       --no-waves
57               By default, waves of color roll down  the  columns  of  glyphs.
58               This argument disables that.
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60       --no-rotate
61               By  default, the scene slowly tilts and rotates.  This argument
62               disables that.
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64       --binary
65               Instead of displaying Matrix glyphs, only display ones and  ze‐
66               ros.
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68       --hexadecimal
69               Instead  of  displaying Matrix glyphs, display hexadecimal dig‐
70               its.
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72       --dna   Instead of displaying Matrix glyphs, display genetic code (gua‐
73               nine, adenine, thymine, and cytosine.)
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75       --clock Hide  a  clock  displaying  the  current  time somewhere in the
76               glyphs.
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78       --timefmt strftime-string
79               How to format the clock when  --clock  is  specified.   Default
80               " %l%M%p ".
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82       --speed ratio
83               Less than 1 for slower, greater than 1 for faster.  Default 1.
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85       --wireframe
86               Just draw boxes instead of textured characters.
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88       --fps   Display the current frame rate, CPU load, and polygon count.
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ENVIRONMENT

91       DISPLAY to get the default host and display number.
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93       XENVIRONMENT
94               to  get  the  name of a resource file that overrides the global
95               resources stored in the RESOURCE_MANAGER property.
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97       XSCREENSAVER_WINDOW
98               The window ID to use with --root.
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SEE ALSO

101       xmatrix(6x), X(1), xscreensaver(1)
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104       Copyright © 1999-2003 by Jamie Zawinski.  Permission to use, copy, mod‐
105       ify,  distribute,  and sell this software and its documentation for any
106       purpose is hereby granted without fee, provided that  the  above  copy‐
107       right  notice  appear in all copies and that both that copyright notice
108       and this permission notice appear in supporting documentation.  No rep‐
109       resentations  are  made  about the suitability of this software for any
110       purpose.  It is provided "as is" without express or implied warranty.
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AUTHOR

113       Jamie Zawinski <jwz@jwz.org>, 8-Jun-2003.
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117X Version 11               6.08-1.fc38 (17-Oct-2023)              glmatrix(6x)
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