On Sep 18, 2006, at 3:57 PM, Andy Mabbett wrote:
In message <[EMAIL PROTECTED]>, Kevin
Marks <[EMAIL PROTECTED]> writes
How about adding a container around the geo that specifies the planet
(or geoid, if you want to get extra fussy. You can say it defaults to
WSGS-84, which is backwards compatible).
Do you mean <http://www.wgs84.com/> which, helpfully, has as its total
content:
http://en.wikipedia.org/wiki/WGS84 is a decent article on the
terrestrial geoid. These exist for other planets too (and the moon) but
they are much more tentative.
Note multiple statements of Apollo landing co-ords here:
http://www.hq.nasa.gov/alsj/alsjcoords.html
Currently, the lunar geoid is being redefined with Clementine data, so
the location (latitude, longitude, and elevation) of everything will
change again very soon
I believe the reference geoids for other planets are also under revision
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