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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