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NAME

       marbling - Marble-like or cloud-like patterns.

SYNOPSIS

       marbling [-display host:display.screen] [-visual visual] [-window] [-root] [-delay number]
       [-scale number] [-iterations number] [-fps]

DESCRIPTION

       This generates a random field with Perlin Noise, then permutes it  with  Fractal  Brownian
       Motion  to  create  images  that  somewhat  resemble  clouds, or the striations in marble,
       depending on the parameters selected and the colors chosen.

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: 10000 (0.01 seconds).

       -scale number
               Scale.    1 - 30.  Default: 10.

       -iterations number
               Complexity.  1 - 20.  Default: 5.

       -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)

COPYRIGHT

       Copyright © 2021 by Jamie Zawinski and Dave  Odell.   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.

AUTHOR

       Jamie Zawinski and Dave Odell.