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julia (1)
  • >> julia (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • julia (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  • Ключ julia обнаружен в базе ключевых слов.
  • 
    NAME
         julia - draws spinning, animating julia-set fractals
    
    SYNOPSIS
         julia  [-display  host:display.screen]  [-foreground  color]
         [-background  color]  [-window]  [-root]  [-mono] [-install]
         [-visual visual] [-ncolors  integer]  [-delay  microseconds]
         [-cycles integer] [-count integer] [-mouse] [-nomouse]
    
    
    DESCRIPTION
         The julia program draws spinning, animating julia-set  frac-
         tals.
    
         It uses ifs {w0 = sqrt(x-c), w1 =  -sqrt(x-c)}  with  random
         iteration  to  plot  the julia set, and sinusoidially varied
         parameters for the set, and plots parameters with a circle.
    
         One thing to note is that count is the depth of  the  search
         tree,  so  the  number of points computed is (2^count)-1.  I
         use 8 or 9 on a dx266 and it  looks  okay.   The  sinusoidal
         variation of the parameter might not be as interesting as it
         could, but it still gives an  idea  of  the  effect  of  the
         parameter.
    
    
    OPTIONS
         julia accepts the following options:
    
         -window Draw  on  a  newly-created  window.   This  is   the
                 default.
    
         -root   Draw on the root 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 200.  The colors used cycle through the hue,
                 making N stops around the color wheel.
    
         -cycles integer
    
         -count integer
    
    
         -mouse
    
         -nomouse
                 If -mouse is specified, the  control  point  of  the
                 Julia  set  will be derived from the position of the
                 mouse in the window.  When the mouse is not  in  the
                 window, the control point is chosen the normal way.
    
    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), xlock(1)
    
    COPYRIGHT
         Copyright O 1995 by Sean McCullough.
    
         Permission  to  use,  copy,  modify,  and  distribute   this
         software  and  its documentation for any purpose and without
         fee is hereby granted, provided  that  the  above  copyright
         notice  appear  in  all  copies and that both that copyright
         notice and this permission notice appear in supporting docu-
         mentation.
    
    AUTHOR
         Sean McCullough <[email protected]>, 1995.
    
         Ability to run standalone  or  with  xscreensaver  added  by
         Jamie Zawinski <[email protected]>, 10-May-97.
    
    
    
    


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