1 MB of an attachment - and some of us are on dial up connections on
this list (in rural Wales, at about 33kbps)!
>
> Yes, Greg - Thank you for taking the time to do this research.
>
> I should note that most commercial GIS in use today simply assume mean sea
> level as the point of origin for base "0" for altitude. This works OK for
> numerous GIS (non-survey!) applications, especially when working large
> scale. This is partly due to the fact that many GIS type applications work
> fine as long as all the elevations are in relation to one another.
>
> In any case, I have attached a really good set of slides on Geodesy that one
> of our members (a professional geodesist) put together to help educate the
> OGC membership. I should have sent this earlier, but had forgotten we had
> this presentation.
>
> Hope the meetings in Vienna went well!
>
<snip>
-- Dominic Pinto ------------- Independent Adviser Public & International Policy - Strategy - Regulation - PR - Commercial Covent Garden London United Kingdom ---------------------------------------------------------------------- Cellphone/GSM Mobile: +44 780 302 8268 Fax: +44 207 379-8341 ----------------------------------------------------------------------Received on Tue Jul 22 02:23:14 2003
This archive was generated by hypermail 2.1.8 : Thu Jan 22 2004 - 12:32:24 EST