NAME

       nerverot - induces edginess in the viewer

SYNOPSIS

       nerverot  [--display  host:display.screen]  [--foreground color] [--background color] [--window] [--root]
       [--window-id number][--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.

       --window-id number
               Draw on the specified 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.

       XSCREENSAVER_WINDOW
               The window ID to use with --root.

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>.

X Version 11                                   6.08 (10-Oct-2023)                                   nerverot(6x)