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Tom Austin wrote:
> Not exactly - we at times have to 'adjust' the coords to achieve better
> accuracy once they are int he system. It sucks that after you get a lot
> of data your client gives you the 'revised' requirements that cause such
> changes.
So the GPS is *not* something that uniquely identifies the pole, or the
customer wouldn't be able to tell you it was wrong. :-) So that shouldn't be
the PK in this case.
> look at aerial imagery - see pole - that's the GPS.
That's another way to do it. :-)
> We have had clients require specs that someone in an office without
> experience must have come up with. Must be withing xx accuracy - must
> add up to +- xx difference. Possible, but very expensive to actually
> meet the requirements.
Yeah. When it comes time to mark the roads, they still send someone out with
a metal detector and a can of spray paint.
--
Darren New, San Diego CA, USA (PST)
"How did he die?" "He got shot in the hand."
"That was fatal?"
"He was holding a live grenade at the time."
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