From: John Halleck (John.Halleck_at_utah.edu)
Date: Wed Jan 24 2001 - 23:46:01 CET
Received: (from mdom_at_localhost) by karto.ethz.ch (8.9.3/8.9.3/SuSE Linux 8.9.3-0.1) id XAA11031 for cavexml-outgoing; Wed, 24 Jan 2001 23:46:02 +0100 Received: from cor.oz.cc.utah.edu (nahaj_at_cor.oz.cc.utah.edu [155.99.2.2]) by karto.ethz.ch (8.9.3/8.9.3/SuSE Linux 8.9.3-0.1) with ESMTP id XAA11027 for <cavexml_at_cartography.ch>; Wed, 24 Jan 2001 23:46:01 +0100 Received: from localhost (nahaj_at_localhost) by cor.oz.cc.utah.edu (8.9.2/8.9.2) with ESMTP id PAA29899 for <cavexml_at_cartography.ch>; Wed, 24 Jan 2001 15:46:01 -0700 (MST) Date: Wed, 24 Jan 2001 15:46:01 -0700 (MST) From: John Halleck <John.Halleck_at_utah.edu> To: "cavexml_at_cartography.ch" <cavexml_at_cartography.ch> Subject: Re: Splitting SHOT into constituent members In-Reply-To: <200101242202.XAA10845_at_karto.ethz.ch> Message-ID: <Pine.GSO.4.05.10101241541190.10235-100000@cor.oz.cc.utah.edu> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cavexml_at_karto.baug.ethz.ch Precedence: bulk Reply-To: cavexml_at_cartography.ch
On Wed, 24 Jan 2001, Richard Knapp wrote:
> Date: Wed, 24 Jan 2001 15:44:37 -0500 (EST)
> From: Richard Knapp <gyp_caver_at_yahoo.com>
> Reply-To: cavexml_at_cartography.ch
> To: "cavexml_at_cartography.ch" <cavexml_at_cartography.ch>
> Subject: Re: Splitting SHOT into constituent members
>
> > Sorry if I've just hit a few things out of context...
>
> Not a problem. My turn.... :-)
>
> >> [...]
> >> I guess you could ask is a shot complete by _just_ having a tape measurement?
> >>An azimuth? An inclination?
>
> > If I'm doing triangulations, the shots don't have distances.
> > If I'm doing trilateralizaitons, the shots are complete with just the tape measurements.
> > (And before anyone else sends me private mail, yes, I know it takes four measurements
> > in three space... but it is still traditionally called a trilateraliation.)
>
> My fault. I did not know such surveys were done in caves. Maybe this should be covered as a
> type of shot (requiring certain amounts of data) so it can be properly processed. There could be
> the following shot types:
Actually I've never seen a trilateralization from a cave....
But I have many examples of triangulations to establish ceiling heights and the like.
> [...]
> CIT (Compass, Inclinometer, Tape) requires
> - azimuth
> - inclination
> - distance
>
> CDT (Compass, Depth Tape)
> - azimuth
> - depth reading
> - distance
>
> TTT (Tape, Tape, Tape)
> - distance ^ 3
You need CI (Compass, Inclination) since that's what triangulations come
in as.
>
> etc?
Philosophicly I hate it, and would prefer to do as I've previously stated.
But as a practical matter I suspect that a relative few types would do, and
that it might be the best way to go.
> [...]
> _________________________________________________________
> Do You Yahoo!?
> Then you should try a real ISP.
This archive was generated by hypermail 2b30 : Wed Feb 14 2001 - 00:03:53 CET