NAME

       dymaxionmap - An animation of Buckminster Fuller's unwrapped icosahedral globe.

SYNOPSIS

       dymaxionmap  [-display  host:display.screen]  [-visual  visual]  [-window] [-root] [-delay
       number] [-speed ratio] [-no-wander] [-no-roll] [-no-stars] [-no-grid] [-flat] [-satellite]
       [-image file] [-image2 file] [-frames number] [-wireframe] [-fps]

DESCRIPTION

       Buckminster  Fuller's  map  of  the  Earth  projected  onto  the  surface  of  an unfolded
       icosahedron. It depicts the Earth's continents as one island, or  nearly  contiguous  land
       masses.

       This  screen  saver  animates  the progression of the dusk terminator across the flattened
       globe. It includes both satellite and flat-colored map imagery, and can load  and  convert
       other Equirectangular-projected maps.

OPTIONS

       -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.

       -window Draw on a newly-created window.  This is the default.

       -root   Draw on the root window.

       -delay number
               Per-frame delay, in microseconds.  Default: 20000 (0.02 seconds).

       -speed ratio
               Speed of the animation. 0.5 means half as fast, 2 means twice as fast.

       -wander | -no-wander
               Whether the object should wander around the screen. Default yes.

       -roll | -no-roll
               Whether the object should roll randomly. Default yes.

       -stars | -no-stars
               Whether to display a star field. Default yes.

       -grid | -no-grid
               Whether to overlay a latitude/longitude grid over the map. Default yes.

       -flat   Display a flat-colored map of the Earth. This is the default.

       -satellite
               Display a day-time satellite map of the Earth.

       -image file
               An image to use for the day-time map.

       -image2 file
               An image to use for the night-time map.  The two  images  can  be  the  same:  the
               night-time one will be darkened.

       -frames number
               The  number of frames in the day/night animation. Default 720.  Larger numbers are
               smoother, but use more memory.  The day/night animation happens if image2 is  set,
               or if frames is greater than 1.

       -wireframe | -no-wireframe
               Render in wireframe instead of solid.

       -fps | -no-fps
               Whether to show a frames-per-second display at the bottom of the screen.

ENVIRONMENT

       DISPLAY to get the default host and display number.

       XENVIRONMENT
               to  get  the name of a resource file that overrides the global resources stored in
               the RESOURCE_MANAGER property.

SEE ALSO

       X(1), xscreensaver(1) glplanet(1)

COPYRIGHT

       Copyright © 2016-2018 by Jamie Zawinski.  Permission to use, copy, modify, distribute, and
       sell  this  software  and its documentation for any purpose is hereby granted without fee,
       provided that the above copyright notice appear in all copies and that both that copyright
       notice  and this permission notice appear in supporting documentation.  No representations
       are made about the suitability of this software for any purpose.  It is provided  "as  is"
       without express or implied warranty.

       "Dymaxion  Map"  and  "The Fuller Projection Map" are trademarks of The Buckminster Fuller
       Institute.

       The original Dymaxion Map image is copyright © 1982 by The Buckminster  Fuller  Institute.
       (This program does not use their imagery, only similar trigonometry.)

       The  Dymaxion  Map  was  covered  by  now-expired US Patent 2,393,676 (Richard Buckminster
       Fuller, 1946).

AUTHOR

       Jamie Zawinski.