grav(6) XScreenSaver manual grav(6) NAME grav - draws a simple orbital simulation SYNOPSIS grav [--display host:display.screen] [--foreground color] [--background color] [--window] [--root] [--window-id number][--mono] [--install] [--vi- sual visual] [--ncolors integer] [--delay microseconds] [--count integer] [--decay] [--no-decay] [--trail] [--no-trail] [--fps] DESCRIPTION The grav program draws a simple orbital simulation OPTIONS grav accepts the following options: --window Draw on a newly-created window. This is the default. --root Draw on the root window. --window-id number Draw on the specified window. --mono If on a color display, pretend we're on a monochrome display. --install Install a private colormap for the window. --visual visual Specify which visual to use. Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual. --ncolors integer How many colors should be used (if possible). Default 64. The colors are chosen randomly. --count integer Default 12. --decay --no-decay Whether orbits should decay. --trail --no-trail Whether the objects should leave trails behind them (makes it look vaguely like a cloud-chamber. --fps Display the current frame rate and CPU load. ENVIRONMENT DISPLAY to get the default host and display number. XENVIRONMENT to get the name of a resource file that overrides the global re- sources stored in the RESOURCE_MANAGER property. XSCREENSAVER_WINDOW The window ID to use with --root. SEE ALSO X(1), xscreensaver(1), xlock(1) COPYRIGHT Copyright (C) 1993 by Greg Bowering. Permission to use, copy, modify, and distribute this software and its docu- mentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copy- right notice and this permission notice appear in supporting documentation. AUTHOR Greg Bowering <gb@pobox.com>, 1993. Ability to run standalone or with xscreensaver added by Jamie Zawinski <jwz@jwz.org>, 10-May-97. X Version 11 6.15 (30-Mar-2026) grav(6)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | ENVIRONMENT | SEE ALSO | COPYRIGHT | AUTHOR
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