Thanks very much for the info, I have another question.
I believe these points were captured with a GPS. Is the standard GPS
Coordinate projection WGS84?
On Mon, Mar 14, 2011 at 1:13 AM, Michael Bedward
<[email protected]>wrote:
> Hi Alessandro,
>
> > I am not sure (sorry I'm just learning these things).
> >
> > I just have a file with a set of Lat (-90 to 90) and Lon (-180 to 180),
> does
> > that help figure that out?
>
> No
>
> > The only thing I know is that they are coming from the same source as my
> > shapes.. the shapes use GCS_North_American_1983 CRS but the points don't
> > have anything attached to them that would make notion of any ellipsoid.
>
> If you've not no information about the point projection I'm afraid
> that you're on your own. In that part of the world, and for polygons
> that are not too small (ie. area of km^2 rather than m^2) then
> projection differences will only really matter for points very close
> to an edge.
>
> Michael
>
--
Signed,
Alessandro Ferrucci
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