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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | Re: [gislist] Using GIS to map imaginary worlds |
| Date: |
12/01/2005 07:35:01 PM |
| From: |
Pat Waggaman |
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"Adding projections just adds another level of complexity that need
not be there."
Gotta look at a circle / globe from somewhere.
"Can anyone tell me if in this imaginary world we need to worry about
the direction of Gravity too ?
lol
Discussion is moving toward Bill's post. Elephant / turtle feet -
conceptually at least as good as a North arrow - for pointing toward
gravity. :-)
Pat
At 16:58 01-12-2005, Kevin Murphy wrote:
>To the best of my knowledge, GPS works in an earth centered
>coordinate system, X,Y & Z and then
>converts those X,Y & Z to a Lat/Long & Ellipsoid height
>system.....so...In My Humble Opinion....
>why not stick with XYZ !!!
>
>Adding projections just adds another level of complexity that need
>not be there.
>
>Can anyone tell me if in this imaginary world we need to worry about
>the direction of Gravity too ?
>lol
>
>juct my 0.02
>
>-K.Murphy
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