Re: I'm in trouble! (And more about collision-avoidance)



PLEASE ACCEPT MY DEEPEST APOLOGY, THE MESSAGE I SENT WAS TO MEANT TO CONNECT
ME WITH LIKE MINDS AND WARN OF MY/THEIR POSSIBLE SITUATION, IT WAS NOT MEANT
TO PASS THE TIME OF DAY WITH AIR HEAD/LOW FOREHEADS, THOUGHT I HAD DELETED
YOU FROM THE ADDRESS BOOK.
BUT IT IS NICE TO KNOW THAT THE BRAIN DEAD HAVE A PLACE.

----- Original Message -----
From: Patrick Salsbury <salsbury at sculptors dot com>
To: <autopilot at sculptors dot com>
Sent: Thursday, May 03, 2001 10:02 AM
Subject: Re: I'm in trouble! (And more about collision-avoidance)


> On Tue, May 01, 2001 at 10:01:59PM +0100, George Grant wrote:
> > Sorry guys,
> > HMG "MI what-ever" have me under a section 8, cyber cafes will be my
contact
> > point from now on, you have the address.
> >
> > GHG
> >
> Wasn't "Section 8" what "Klinger" in M*A*S*H was always trying to
> use to get out of the Army? Isn't that why he kept wearing dresses, so
> they'd think he was crazy or something?
> I don't know, George. Your life sounds full of intrigue, but I must
> admit there's been very little (if any) technical discussion or details,
or
> even much substance to your recent posts. As such, it's pretty difficult
to
> maintain any sort of regular discussion. (Hmm. That might explain why this
> list has been pretty quite for the past couple of months...)
> In fact, in looking through the list archive, there's been really
> quite little discussion, aside from my occasional postings about network
> outages, new lists, etc., and the occasional autopilot-related post. We
> should do something about that...
>
> On a more technical note, I still think the idea of
> radio-trancievers on the road (like in California) and/or on the roadside
> poles (for use in snowy zones) seems like a likely avenue for autopilot
> beacons.
> Has anyone here played with the 'attraction' program on Linux/Unix
> that I mentioned back in 1999? (Archive post is here:
> http://reality.sculptors.com/~hyprmail/autopilot/0029.html ) This really
> conveys in a nice visual sense what sort of avoidance systems (and
> complexity) we're attempting to address here. It may even provide a
> code-base, or at least some algorithms that we could use.
> Please go back and re-read that post 0029.html (Which will
> hopefully stay the same number, or *this* message will be wrong in the
> archives! :-)  ) It discusses a few different programs, and gives some
code
> examples. I've learned to use the 'attraction' program much better since
> that writing, so try this command:
>
> /usr/X11R6/lib/xscreensaver/attraction -mouse -points 50 -delay
100000 -viscosity .97 -glow -size 10
>
> Then move your mouse slowly around in the window. All of the other
> points will move to avoid your mouse cursor (and the other balls) and will
> flash with a glow when they get into too close a proximity to one another
> or your mouse cursor. (Letting everything come to a relative equillibrium
> will allow the color to revert to its normal setting.)
>
> I still think this makes an excellent visual representation, and
> might help to quickly convey the idea to folks not yet comfortable with
the
> idea of autopilots and vehicle avoidance. In fact, these parameters give a
> fair approximation of how I visualize the chaotic traffic flow patterns of
> a non-sky-lane system as I mentioned on that radio interview for the
> Canadian Broadcasting Corporation:
> /usr/X11R6/lib/xscreensaver/attraction -mouse -points 100 -delay
150000 -glow -size 2
>
> Remember that this is a physics simulator, not an actual autopilot
> system, so you see some things like ricochets and sudden accelerations
that
> are not realistic to vehicular systems. However, as animated pictures go
to
> convey a concept, I think it does a pretty good job.
>
> Never did hear back from Alan Neal about an audio copy of my CBC
> interview, but the transcript is up there at the URL I posted before...
>
> --
> Pat
>    ___________________Think For Yourself____________________
> Patrick G. Salsbury - http://reality.sculptors.com/~salsbury/
> Learn about stereolithography:
>       http://reality.sculptors.com/stereolithography.html
>    ---------------------------------------------------------
>      "Kick your own ass. Live up to your true potential."
> -World Entertainment War
>
>




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