From: Peter MATTHEWS (matthews_at_melbpc.org.au)
Date: Mon Jul 01 2002 - 03:18:32 CEST
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Hi Jérôme, and welcome to the group. Thanks for your (and Richard's)
comments about "spray shots" - a good point - I have now added a new entity
(Rays) to cover these.
The entity draft definitions, relationships and diagram are now finished,
and I am working on the respective "task progress" web page to cover them.
I hope to post the details maybe tomorrow to start the discussion.
Peter
At 17:22 26-06-02 +0900, Jerome Ravier wrote:
>Richard Wrote :
>
>...
>How about passage dimensions? Will they be put as a measurement or something
>else? I
>think it would be good to allow people to measure passage dims with
>spherical coordinates
>if desired. One of the problems discussed on CaversDigest was taking LRUDs
>at a pit or
>other very high angle/incline shots. There really is no Left or Right since
>the survey
>line goes straight down. LRUD could still be used but it would just be
>shorthand for 90
>deg off the last shot at zero inclination. If the surveyor wanted other
>dimensions
>recorded (for solid modeling or whatever), they could be added:
>
> azimuth = "135" incline="+45" distance="10.5"
> azimuth = "215" incline="-45" distance="40"
>
>It is like having spray shots for passage dimensions. If such information is
>associated
>with a Shot element, then having the reference point specified would be
>necessary as well
>(at="").
>...
>
>Hello,
>
>First, let me introduced myself. I am a French caver interested by all this
>survey, cartography and XML stuff. I read this list since a long time but
>didn't had any occasion to contribute until now.
>With a few persons last year and before, we started to design an integrated
>tool for cave surveying, which would have been able to record at the same
>time length, azimut and inclination just by pointing a laser from one
>station to the other and pressing a button. I guess that every one of you
>has thought about such thing.
>Since one year and at least for another one, I am now off in Japan and this
>project is in stand by, owing to the fact that we are really working too
>much over here (but the beer is good and the Japanese are very friendly !)
>and it seems to happen something similar the other guys in France. However,
>some work have been done already and I really hope that some day, such kind
>of device will be in use (our purpose was to make something affordable and
>usable by any caver), even if made by someone else.
>At this time, the way to record passage dimension will be exactly the one
>describe above by Richard : a spray of shots from each station. This would
>really be in favor of Richard's proposal to record passage dimension in
>spherical coordinates and to associate them with a station.
>
>Jérôme
>
>
>**********************************************************
>Jérôme RAVIER, PhD
>Prof. Enoki's Group,
> Department of Chemistry, Tokyo Institute of Technology,
> 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8551, JAPAN
> Phone : +81-3-5734-2610 Fax : +81-3-5734-2242
> E-mail: jerome_at_chem.titech.ac.jp
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