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NAME
     nerverot - induces edginess in the viewer

SYNOPSIS
     nerverot [-display host:display.screen] [-foreground  color]
     [-background  color]  [-window]  [-root]  [-mono] [-install]
     [-visual visual]  [-colors  integer]  [-delay  microseconds]
     [-count  integer] [-line-width integer] [-event-chance frac-
     tion] [-iter-amt fraction]  [-nervousness  fraction]  [-max-
     nerve-radius  fraction]  [-min-radius  integer] [-max-radius
     integer] [-min-scale fraction] [-max-scale fraction]

DESCRIPTION
     The goal of nerverot is to be interesting and compelling  to
     watch, yet induce a state of nervous edginess in the viewer.

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.

     -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.

     -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
             terAmt.

     -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  frac-
             tion  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.

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.

SEE ALSO
     xscreensaver(1)

COPYRIGHT
     Copyright O 2000 by Dan Bornstein.

     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 docu-
     mentation.   No representations are made about the suitabil-
     ity of this software for any purpose.  It  is  provided  "as
     is" without express or implied warranty.

AUTHOR
     Dan Bornstein <[email protected]>, 05-Jul-2000.

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