marbling - Marble-like or cloud-like patterns.

       Jamie Zawinski and Dave Odell.

X Version 11                                   6.08 (10-Oct-2023)                                   marbling(6x)

       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.

       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.

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.

       XSCREENSAVER_WINDOW
               The window ID to use with --root.

       marbling - Marble-like or cloud-like patterns.

--visualvisual
               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.

       --window-idnumber
               Draw on the specified window.

       --delaynumber
               Per-frame delay, in microseconds.  Default: 10000 (0.01 seconds).

       --scalenumber
               Scale.    1 - 30.  Default: 10.

       --iterationsnumber
               Complexity.  1 - 20.  Default: 5.

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

X(1), xscreensaver(1)

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