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Man Pages


Manual Reference Pages  -  NERVEROT (6)

NAME

nerverot - induces edginess in the viewer

CONTENTS

Synopsis
Description
Options
Environment
X Resources
Bugs
See Also
Copyright
Author

SYNOPSIS

nerverot [-display host:display.screen] [-foreground color] [-background color] [-window] [-root] [-mono] [-install] [-visual visual] [-db] [-no-db] [-colors integer] [-delay microseconds] [-count integer] [-line-width integer] [-event-chance fraction] [-iter-amt fraction] [-nervousness fraction] [-max-nerve-radius fraction] [-min-radius integer] [-max-radius integer] [-min-scale fraction] [-max-scale fraction] [-fps]

DESCRIPTION

The goal of nerverot is to be interesting and compelling to watch, yet induce a state of nervous edginess in the viewer. This manpage describes v1.3 of the program.

OPTIONS

nerverot 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
  Which visual to use. Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.
-db -no-db Use double-buffering (or not, respectively). Double-buffering may make things look better for larger line widths and/or larger numbers of blots, but "better" may equate to yielding less of the desired edginess effect. You’ll be calmer after watching the double-buffered variant; you’re more likely to go into epileptic fits with it off. Hence, it is off (false) by default, resource doubleBuffer.
-colors integer
  How many colors should be used (if possible). The colors form a smooth ramp between two randomly-chosen colors. Defaults to 4, resource colors.
-delay microseconds
  The interframe delay, in microseconds. Defaults to 10000, resource delay.
-max-iters integer
  The maximum number of iterations (frames) before a new model is generated. The actual number of iterations per model is a random number between 1 and this value. Defaults to 1200, resource maxIters.
-count integer
  How many "blots" to draw at a time. This number may be rounded down to fit the particularly chosen model, and has a fixed minimum per-model. Defaults to 250, resource count.
-line-width integer
  The width of the lines to draw. 0 means an optimized pixel-thick line. Defaults to 0, resource lineWidth.
-event-chance fraction
  The chance, per iteration, for a life-altering event to occur (such as picking a new rotation target), in the range 0..1. Defaults to 0.2, resource eventChance.
-iter-amt fraction
  The fraction of movement towards a target (such as rotation angle or scale) that happens per iteration, in the range 0..1. Defaults to 0.01, resource iterAmt.
-nervousness fraction
  How nervous the drawing is, in the range 0..1. This is how jumpy the points on each blot are. Defaults to 0.3, resource nervousness.
-max-nerve-radius fraction
  The maximum radius of blot nervousness, as a fraction of the radius of the blot, in the range 0..1. Defaults to 0.7, resource maxNerveRadius.
-min-radius integer
  The minimum radius for a blot, in the range 1..100. Defaults to 3, resource minRadius.
-max-radius integer
  The maximum radius for a blot, in the range 1..100. Defaults to 25, resource maxRadius.
-min-scale fraction
  The minimum overall scale of drawing, as a fraction of min(windowHeight,windowWidth), in the range 0..10. Defaults to 0.6, resource minScale.
-max-scale fraction
  The maximum overall scale of drawing, as a fraction of min(windowHeight,windowWidth), in the range 0..10. Defaults to 1.75, resource maxScale.
-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.

X RESOURCES

There are resource equivalents for each option, noted above.

BUGS

nerverot should have more models.
XDBE should be detected and used, if available.
 

SEE ALSO

xscreensaver(1)

COPYRIGHT

Copyright © 2000-2001 by Dan Bornstein. All rights reserved.

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

Dan Bornstein <danfuzz@milk.com>.
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