1eruption(6x) XScreenSaver manual eruption(6x)
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6 Eruption - eruption of pieces of hot volcanic rock
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9 Eruption [-display host:display.screen] [-visual visual] [-window]
10 [-root] [-ncolors number] [-nParticles number] [-Heat number] [-Cooling
11 number] [-Gravity number] [-delay number] [-cycles number] [-fps]
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14 This hack creates an eruption of pieces of hot volcanic rock. Ported
15 from the demo effects collection (http://demo-effects.sourceforge.net)
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18 -visual visual
19 Specify which visual to use. Legal values are the name of a
20 visual class, or the id number (decimal or hex) of a specific
21 visual.
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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 -ncolors number
28 Number of Colors. Default: 256.
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30 -particles number
31 Number of Particles. Default: 300.
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33 -cooloff number
34 Eruption Cooloff. Default: 2.
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36 -heat number
37 Heat of Eruption. Default: 256.
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39 -gravity number
40 Gravity. Default: 1.
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42 -delay number
43 Per-frame delay, in microseconds. Default: 5000 (0.01 sec‐
44 onds.).
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46 -cycles number
47 Duration. 10 - 3000. Default: 80.
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49 -fps Display the current frame rate and CPU load.
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52 DISPLAY to get the default host and display number.
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54 XENVIRONMENT
55 to get the name of a resource file that overrides the global
56 resources stored in the RESOURCE_MANAGER property.
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59 X(1), xscreensaver(1)
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62 Copyright © 2002-2003 by W.P. van Paassen. Permission to use, copy,
63 modify, distribute, and sell this software and its documentation for
64 any purpose is hereby granted without fee, provided that the above
65 copyright notice appear in all copies and that both that copyright
66 notice and this permission notice appear in supporting documentation.
67 No representations are made about the suitability of this software
68 for any purpose. It is provided "as is" without express or implied
69 warranty.
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72 W.P. van Paassen
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76X Version 11 5.42-1.fc29 (30-Dec-2018) eruption(6x)