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Annotated edit history of grav(1) version 4, including all changes. View license author blame.
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1 perry 1 XScreenSaver
2 !!!XScreenSaver
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 ENVIRONMENT
8 SEE ALSO
9 COPYRIGHT
10 AUTHOR
11 ----
12 !!NAME
13
14
15 grav - draws a simple orbital simulation
16 !!SYNOPSIS
17
18
19 __grav__ [[-display ''host:display.screen'']
20 [[-foreground ''color''] [[-background ''color'']
21 [[-window] [[-root] [[-mono] [[-install] [[-visual ''visual'']
22 [[-ncolors ''integer''] [[-delay ''microseconds'']
23 [[-count ''integer''] [[-decay] [[-no-decay] [[-trail]
24 [[-no-trail]
25 !!DESCRIPTION
26
27
28 The ''grav'' program draws a simple orbital
29 simulation
30 !!OPTIONS
31
32
33 ''grav'' accepts the following options:
34
35
36 __-window__
37
38
39 Draw on a newly-created window. This is the
40 default.
41
42
43 __-root__
44
45
46 Draw on the root window.
47
48
49 __-mono__
50
51
52 If on a color display, pretend we're on a monochrome
53 display.
54
55
56 __-install__
57
58
59 Install a private colormap for the window.
60
61
62 __-visual__ ''visual''
63
64
65 Specify which visual to use. Legal values are the name of a
66 visual class, or the id number (decimal or hex) of a
67 specific visual.
68
69
70 __-ncolors__ ''integer''
71
72
73 How many colors should be used (if possible). Default 200.
74 The colors are chosen randomly.
75
76
77 __-count__ ''integer''
78
79
80 Default 12.
81
82
83 __-decay__
84
85
86 __-no-ecay__
87
88
89 Whether orbits should decay.
90
91
92 __-trail__
93
94
95 __-no-trail__
96
97
98 Whether the objects should leave trails behind them (makes
99 it look vaguely like a cloud-chamber.
100 !!ENVIRONMENT
101
102
103 __DISPLAY__
104
105
106 to get the default host and display number.
107
108
109 __XENVIRONMENT__
110
111
112 to get the name of a resource file that overrides the global
113 resources stored in the RESOURCE_MANAGER
114 property.
115 !!SEE ALSO
116
117
4 perry 118 X(1), xscreensaver(1),
1 perry 119 xlock(1)
120 !!COPYRIGHT
121
122
123 Copyright 1993 by Greg Bowering.
124
125
126 Permission to use, copy, modify, and distribute this
127 software and its documentation for any purpose and without
128 fee is hereby granted, provided that the above copyright
129 notice appear in all copies and that both that copyright
130 notice and this permission notice appear in supporting
131 documentation.
132 !!AUTHOR
133
134
135 Greg Bowering
136
137
138 Ability to run standalone or with ''xscreensaver'' added
139 by Jamie Zawinski
140 ''
141 ----
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