SYNOPSIS

hopalong [-display host:display.screen] [-foreground color] [-background color] [-window] [-root] [-mono] [-install] [-visual visual] [-ncolors integer] [-delay microseconds] [-cycles integer] [-count integer] [-jong] [-no-jong] [-jong] [-no-sine]

[-fps]

DESCRIPTION

The hop program generates real plane fractals as described in the September 1986 issue of Scientific American.

OPTIONS

hopalong 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

How long to run each batch. Default 2500 pixels.

-count integer

How many pixels should be drawn before a color change. Default 1000.

-jong integer

-no-jong integer

Whether to use the Jong format (default is to choose randomly.)

-sine integer

-no-sine integer

Whether to use the Sine format (default is to choose randomly.)

-fps

Display the current frame rate and CPU load.

COPYRIGHT

Copyright © 1988-91 by Patrick J. Naughton.

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 documentation.

AUTHOR

Patrick J. Naughton <[email protected]>, 23-mar-88.

Ability to run standalone or with xscreensaver added by Jamie Zawinski <[email protected]>, 13-aug-92, and again on 10-May-97.