Re: LRUD: 'From' or 'To' ?

From: Martin Sluka (sluka_at_confero.anet.cz)
Date: Thu Jan 18 2001 - 14:56:05 CET

• Next message: Devin Kouts: "CaveXML Tasks: Summary Report of Cave Survey Data in XML"
• Previous message: martinl_at_talk21.com: "crossSections"
• In reply to: Paul & Eleanor: "Re: LRUD: 'From' or 'To' ?"
• Next in thread: Paul & Eleanor: "Cross Sections"
• Reply: Paul & Eleanor: "Cross Sections"

Received: (from mdom_at_localhost) by karto.ethz.ch (8.9.3/8.9.3/SuSE Linux 8.9.3-0.1) id OAA10674 for cavexml-outgoing; Thu, 18 Jan 2001 14:58:45 +0100
Received: from ms.anet.cz (ms.anet.cz [212.65.193.5]) by karto.ethz.ch (8.9.3/8.9.3/SuSE Linux 8.9.3-0.1) with ESMTP id OAA10669 for <cavexml_at_cartography.ch>; Thu, 18 Jan 2001 14:58:44 +0100
Received: from [194.108.177.168] (prah01-a07-as216.ctt.cz [194.108.177.216]) by ms.anet.cz (Postfix) with ESMTP id D7AFE38026 for <cavexml_at_cartography.ch>; Thu, 18 Jan 2001 14:58:15 +0100 (CET)
X-Sender: sluka_at_ms.anet.cz
Message-Id: <p04330101b68ca49ef8a3@[194.108.177.168]>
In-Reply-To: <3A669C04.B2AE7A13_at_xmission.com>
References: <3.0.1.32.20010116181528.00693dac_at_mail01.hml.aone.net.au> <00d401c08080$f7fa7750$0a3c10ac_at_gordon> <3A669C04.B2AE7A13_at_xmission.com>
Date: Thu, 18 Jan 2001 14:56:05 +0100
To: cavexml_at_cartography.ch
From: Martin Sluka <sluka_at_confero.anet.cz>
Subject: Re: LRUD: 'From' or 'To' ?
Content-Type: text/plain; charset="iso-8859-1" ; format="flowed"
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by karto.ethz.ch id OAA10671
Sender: owner-cavexml_at_karto.baug.ethz.ch
Precedence: bulk

> > Furthermore, LRUD defines a rectanglular cross section.
>> Why not have a cross section that is a loop made from
>> a series of points (like the kind you draw on your survey)?
>> Surveys that start as LRUD can write this into XML as a
>> rectangle or diamond:  { (R, 0), (0, -D), (-L, 0), (U, 0).}
>
>Why not? Because that is twice the values for the 'old fashion'
>case.  Since around the USA there are actually over 1000 miles
>(1600 kms) of cave data using the 'dumb' LRCF formats, it might
>be practical to service the obvious without going for twice the
>number of values.

Try to thing about something as "library of cross section"  in detail
defined somewhere in a file and use only reference to this library
and actual proportions ("LRUD") to such profile in particular point.

In real cave there are not endless kinds of profiles.

Martin Sluka

• Next message: Devin Kouts: "CaveXML Tasks: Summary Report of Cave Survey Data in XML"
• Previous message: martinl_at_talk21.com: "crossSections"
• In reply to: Paul & Eleanor: "Re: LRUD: 'From' or 'To' ?"
• Next in thread: Paul & Eleanor: "Cross Sections"
• Reply: Paul & Eleanor: "Cross Sections"

This archive was generated by hypermail 2b30 : Wed Feb 14 2001 - 00:03:52 CET