queens - Man Page

n queens screensaver

Synopsis

queens [--display host:display.screen] [--window] [--root] [--window-id number] [--install] [--visual visual] [--delay microseconds] [--wireframe] [--fps]

Description

The queens program solves the n-queens problem (where, in this program, N is between 5 and 10 queens) using a straightforward backtracking algorithm.  The problem is: how may one place N queens  on an NxN chessboard such that no queen can attack a sister?

Options

queens accepts the following options:

--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.

--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.

--wireframe

Render in wireframe instead of solid. --fps Display the current frame rate, CPU load, and polygon count.

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.

Bugs

It's not unknown for this and other OpenGL hacks to fail under hardware accelaration (UtahGLX) and take the X server with them.  Texture images must be 16x16 or 32x32 or 64x64 etc.

See Also

X(1), xscreensaver(1) xscreensaver-settings(1), xscreensaver-getimage(6x)

Author

Blair Tennessy <tennessb@unbc.ca>, 20-April-2002.

Info

6.05-3.fc38 (06-Nov-2022) X Version 11 XScreenSaver manual