starfish man page on DigitalUNIX
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XScreenSaver(1) XScreenSaver(1)
NAME
starfish - radially-symmetric throbbing colormap-hacking graphics demo
SYNOPSIS
starfish [-display host:display.screen] [-foreground color] [-back‐
ground color] [-window] [-root] [-mono] [-install] [-visual visual]
[-delay usecs] [-delay2 secs] [-cycle-delay2 usecs] [-thickness pixels]
[-rotation degrees] [-duration seconds] [-colors int] [-cycle]
[-no-cycle] [-blob] [-no-blob]
DESCRIPTION
The starfish program draws radially symmetric objects, which expand,
contract, rotate, and turn inside out. It uses these shapes to lay
down a field of smooth colors, and then rotates the colormap.
OPTIONS
starfish 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.
-delay microseconds
How much of a delay should be introduced between steps of the
animation. Default 10000, or about 1/100th second.
-cycle-delay microseconds
How long to wait between shifing the colormap by one step.
Default 100000, or about 1/10th second.
-thickness pixels
How wide each color band should be. Default 0, meaning random
(the chosen value will be between 0 and 15.)
-rotation degrees
How quickly the objects should rotate at each step. Default 0,
meaning random (the chosen value will be between 0 and 12
degrees.)
-colors int
How many colors to use. Default 200. The more colors, the
smoother the transitions will be, and the nicer the resultant
images.
-cycle
-no-cycle
Whether to do colormap cycling. Default true.
-duration seconds
How long to run before choosing a new shape. Default 30 sec‐
onds.
-delay2 seconds
When duration expires, how long to wait before starting a new
run. Default 5 seconds.
-blob
-no-blob
If blob option is specified, then the raw shapes will be shown,
instead of a field of colors generated from them.
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 © 1997 by Jamie Zawinski. Permission to use, copy, modify,
distribute, and sell this software and its documentation for any pur‐
pose 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 repre‐
sentations are made about the suitability of this software for any pur‐
pose. It is provided "as is" without express or implied warranty.
AUTHOR
Jamie Zawinski <jwz@jwz.org>, 14-Jun-97.
X Version 11 14-Jun-97 XScreenSaver(1)
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