interference(6)

interference6

Decaying sinusoidal waves

Usage

interference [--display host:display.screen] [--visual visual] [--window] [--root] [--window-id number] [--count number] [--gridsize number] [--delay number] [--speed number] [--radius number] [--ncolors number] [--color-shift number] [--hue number] [--no-db] [--fps]

Overview

Another color-field hack, this one works by computing decaying sinusoidal waves, and allowing them to interfere with each other as their origins move.

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.

--window-id number

Draw on the specified window.

--count number

Number of Waves. 0 - 20. Default: 3.

--gridsize number

Magnification. 1 - 20. Default: 2.

--delay number

Per-frame delay, in microseconds. Default: 30000 (0.03 seconds.).

--speed number

Wave Speed. 1 - 100. Default: 30.

--radius number

Wave Size. 50 - 1500. Default: 800.

--ncolors number

Number of Colors. Default: 192.

--color-shift number

Color Contrast. 0 - 100. Default: 60.

--hue number

Hue of the base color (0-360, as in HSV space.) Default 0, meaning random.

--db | --no-db

Whether to double buffer.

--fps

Display the current frame rate and CPU load.

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.

XSCREENSAVER_WINDOW

The window ID to use with --root.

Author

Hannu Mallat.

From xscreensaver 6.15-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.