From: Alexander Nickolsky (nickol_at_argussoft.ru)
Date: Thu Jul 11 2002 - 09:15:46 CEST
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----- Original Message -----
From: "Richard Knapp" <richfk_at_attglobal.net>
To: <cavexml_at_cartography.ch>
Sent: Thursday, July 11, 2002 2:10 AM
Subject: Re: comments on the data model
>
> I think you missed the intended point. When COMPASS does loop closure
> ("corrected data"), it creates a copy of the DAT file with new
> distances, azimuths, and inclinations (and sometimes survey ties).
> Are you saying that is the correct way to handle this (separate
> files) or should this be stored with the raw data? Measurements
> already have a cvalue (or at least did for a while) to store the
> canonical value of the measurement. Why not have a similar attribute
> for corrected values?
I am saying that it is incorrect way. All data should be stored in the same
place,
or at least we need a method to tell which is which. There are many ways to
do this, like using flags or different attribute names or different
entities.
Which way to use is a matter of further discussion, but I think that this
data
should be a part of the format.
> As to the compiled data (X, Y, Z coordinates), I still don't see why
> this is not a trivial calculation. But I'm probably missing
> something.
Yes, you are right. There is nearly no difference between X,Y,Z
and dX,dY,dZ representations when they are corrected values.
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