1hopalong(6x) XScreenSaver manual hopalong(6x)
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6 hopalong - draw real plane fractals
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9 hopalong [-display host:display.screen] [-foreground color] [-back‐
10 ground color] [-window] [-root] [-mono] [-install] [-visual visual]
11 [-ncolors integer] [-delay microseconds] [-cycles integer] [-count in‐
12 teger] [-jong] [-no-jong] [-jong] [-no-sine]
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14 [-fps]
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17 The hop program generates real plane fractals as described in the Sep‐
18 tember 1986 issue of Scientific American.
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21 hopalong accepts the following options:
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23 -window Draw on a newly-created window. This is the default.
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25 -root Draw on the root window.
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27 -mono If on a color display, pretend we're on a monochrome display.
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29 -install
30 Install a private colormap for the window.
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32 -visual visual
33 Specify which visual to use. Legal values are the name of a
34 visual class, or the id number (decimal or hex) of a specific
35 visual.
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37 -ncolors integer
38 How many colors should be used (if possible). Default 200.
39 The colors used cycle through the hue, making N stops around
40 the color wheel.
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42 -cycles integer
43 How long to run each batch. Default 2500 pixels.
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45 -count integer
46 How many pixels should be drawn before a color change. Default
47 1000.
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49 -jong integer
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51 -no-jong integer
52 Whether to use the Jong format (default is to choose randomly.)
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55 -sine integer
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57 -no-sine integer
58 Whether to use the Sine format (default is to choose randomly.)
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61 -fps Display the current frame rate and CPU load.
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64 DISPLAY to get the default host and display number.
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66 XENVIRONMENT
67 to get the name of a resource file that overrides the global
68 resources stored in the RESOURCE_MANAGER property.
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71 X(1), xscreensaver(1), xlock(1)
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74 Copyright © 1988-91 by Patrick J. Naughton.
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76 Permission to use, copy, modify, and distribute this software and its
77 documentation for any purpose and without fee is hereby granted, pro‐
78 vided that the above copyright notice appear in all copies and that
79 both that copyright notice and this permission notice appear in sup‐
80 porting documentation.
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83 Patrick J. Naughton <naughton@eng.sun.com>, 23-mar-88.
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85 Ability to run standalone or with xscreensaver added by Jamie Zawinski
86 <jwz@jwz.org>, 13-aug-92, and again on 10-May-97.
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90X Version 11 6.00-4.fc34 (05-May-2021) hopalong(6x)