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Man Pages


Manual Reference Pages  -  GFLUX (6)

NAME

gflux - rippling surface graphics hack

CONTENTS

Synopsis
Description
Options
Environment
See Also
Copyright
Author

SYNOPSIS

gflux [-display host:display.screen] [-window] [-root] [-install] [-visual visual] [-delay microseconds] [-squares num] [-resolution num] [-mode mode] [-flat num] [-speed num] [-rotationx num] [-rotationy num] [-rotationz num] [-waves num] [-waveChange num] [-waveHeight num] [-waveFreq num] [-zoom num] [-wireframe] [-fps]

DESCRIPTION

The gflux program draws a colourfull animated rippling square rotating in 3D space.

OPTIONS

gflux accepts the following options:
-window Draw on a newly-created window. This is the default.
-root Draw on the root 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.
-squares num
  Specifies the size of the grid in squares. default 19
-resolution num
  Specifies the wireframe detail of the squares. default 4
-mode mode Specifies the draw method: wireframe; solid (meaning a solid colored surface); light (same as solid, but with lighting effects); checker (a texture-mapped checkerboard pattern); or grab (meaning grab an image to manipulate.)

When grabbing images, the image will be grabbed from the portion of the screen underlying the window, or from the system’s video input, or from a random file on disk, as indicated by the grabDesktopImages, grabVideoFrames, and chooseRandomImages options in the ~/.xscreensaver file; see xscreensaver-demo(1) for more details.

-wireframe Same as "-mode wire".
-flat num 0 for smooth shading 1 for flat. default 0
-speed num Specifies speed of ripples flowing over the surface. default 0.05
-rotationx num -rotationy num -rotationz num
  Specifies the speed of rotation of the surface in these axis
-waves num Specifies the number of ripple centres at any one time. Values should be greater than 1. default 3
-waveChange num
  Specifies the duration of a ripple centre. after this they fade away to be reborn elsewhere with a different frequency. default 50
-waveHeight num
  Specifies the height of ripples on the surface. default 1.0
-waveFreq num
  Specifies the maximum frequency of ripples. default 3.0
-zoom num Specifies the size of the viewport. Smaller values fill the screen with rippling surface. default 1.0
-delay microseconds
  How long to pause between frames. Default is 20000, or 0.02 second.
-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.

SEE ALSO

X(1), xscreensaver(1) xscreensaver-demo(1), xscreensaver-getimage(1)

COPYRIGHT

Copyright © 2000 by Josiah Pease. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose 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 representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

AUTHOR

Josiah Pease <gflux@jpease.force9.co.uk>, 10-Jun-2000.

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