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

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From: Michael Lake (mikel_at_speleonics.com.au)
Date: Mon Jan 22 2001 - 13:00:48 CET 

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Date: Mon, 22 Jan 2001 23:00:48 +1100
From: Michael Lake <mikel_at_speleonics.com.au>
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Subject: Re: LRUD: 'From' or 'To' ?
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Hi All,

Oops I made a blunder, its a year since I did this ;-)

Michael Lake wrote:
> A general XSECT element encompasses cross section which is an arbirary shape. The
> perpendicular vector from its surface is its STRIKE. If its a cross section that is
> perpen to the leg or shot then STRIKE=bearing of the shot, the DIP=elevation of the leg
> (and the default if not specified).

The DIP=0 degrees NOT the elev of the leg.
The xsection is a vertical plane unless a dip is specified.

Mike 

-- 
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Michael Lake
Active caver, Linux enthusiast and interested in anything technical.
Safety Convenor, Australian Speleological Federation
Owner, Speleonics (Australia)
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