imsmap(6) XScreenSaver manual imsmap(6)

imsmap - generate fractal maps

imsmap [-display host:display.screen] [-foreground color] [-background color] [-window] [-root] [-mono] [-install] [-visual visual] [-ncolors int] [-delay seconds] [-delay2 microseconds] [-iterations int] [-mode h|s|v|random] [-fps]

The imsmap program generates map or cloud-like patterns. It looks quite different in monochrome and color.

imsmap accepts the following options:

Draw on a newly-created window. This is the default.
Draw on the root window.
If on a color display, pretend we're on a monochrome display.
Install a private colormap for the window.
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.
How many colors to use. Default 50.
How long to delay between images. Default 10 seconds.
How long to delay between bitmaps. Default 200000 (0.2 seconds).
A measure of the resolution of the resultant image, from 0 to 7. Default 7.
The axis upon which colors should be interpolated between the foreground and background color. Default random.
Display the current frame rate and CPU load.

to get the default host and display number.
to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.

X(1), xscreensaver(1)

Juergen Nickelsen <>, 23-aug-92.

Hacked on by Jamie Zawinski <>, 24-aug-92, 17-May-97.

6.04 (29-May-2022) X Version 11