anemotaxis man page on aLinux

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anemotaxis(6)		      XScreenSaver manual		 anemotaxis(6)

       anemotaxis - directional search on a plane.

       anemotaxis  [-display  host:display.screen]  [-visual visual] [-window]
       [-root]	[-delay	  number]   [-distance	 number]   [-sources   number]
       [-searchers number] [-fps]

       The  program  demonstrates  a  search algorithm designed for locating a
       source of odor in turbulent atmosphere. The odor is convected  by  wind
       which  has  a  constant	mean direction and fluctuations around it. The
       searcher is able to sense the odor and  determine  local	 instantaneous
       wind  direction.	 The  goal  is to find the source in the shortest mean
       time.  Some animals face this task to find mates, food, home etc.  They
       exhibit very particular, zigzagging search trajectories.

       This  is modeled as a search on a discrete two-dimensional lattice. The
       source releases particles that drift  with  constant  velocity  in  one
       direction  and walk randomly in the other direction. The searcher knows
       if it hit a particle, and if so, particle's position one time step ear‐
       lier  (local  wind direction). The program paints sources and particles
       released by them as well as trajectories of searchers who are trying to
       capture the sources.

       -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

       -window Draw on a newly-created window.	This is the default.

       -root   Draw on the root window.

       -delay number
	       Per-frame  delay,  in  microseconds.  Default: 20000 (0.02 sec‐

       -distance number
	       Max initial distance to the source .  10 - 250.	Default: 40.

       -sources number
	       Max number of sources.  Default: 25.

       -searchers number
	       Max number of searchers. Default: 25.

       -fps    Display the current frame rate and CPU load.

       DISPLAY to get the default host and display number.

	       to get the name of a resource file that	overrides  the	global
	       resources stored in the RESOURCE_MANAGER property.

       X(1), xscreensaver(1)

       Copyright © 2004 by Eugene Balkovsky.  Permission to use, copy, modify,
       distribute, and sell this software and its documentation for  any  pur‐
       pose  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 repre‐
       sentations are made about the suitability of this software for any pur‐
       pose.  It is provided "as is" without express or implied warranty.

       Eugene Balkovsky

X Version 11		      5.07 (10-Aug-2008)		 anemotaxis(6)

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