Re: OT I hate the 2-line format. was Re: Splitting SHOT into constituent members

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From: John Halleck (John.Halleck_at_utah.edu)
Date: Mon Jan 29 2001 - 17:09:06 CET 

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Date: Mon, 29 Jan 2001 09:09:06 -0700 (MST)
From: John Halleck <John.Halleck_at_utah.edu>
To: cavexml_at_cartography.ch
Subject: Re: OT I hate the 2-line format. was Re: Splitting SHOT into constituent  members
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On Fri, 26 Jan 2001, Michael Lake wrote:

> [...]
> Often whenever the "2-liners" come to have to do a backsight (eg A3 -> A2), rather than
> leaving a line and rewriting a new line with A3 above A2, they mentally compute what the
> value would be for a forward site and record that !

  This causes problems with survey analysis in areas with magnetic anomolies.
  (A point I've brought up before.)
  If we don't know whether it was a back sight or not we've lost information.

> [...]

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