[Proj] Ellipsoid data sources
Eric Miller
EMiller at dfg.ca.gov
Mon Jan 5 18:16:56 EST 2009
The codes are listed in Appendix A.1 of TR8350.2.
Note, the version posted here is not the latest available. Reportedly, it was last amended on 2004-06-23.
http://earth-info.nga.mil/GandG/publications/tr8350.2/tr8350_2.html
>>> On 1/5/2009 at 2:35 PM, "Gerald I. Evenden" <geraldi.evenden at gmail.com> wrote:
> An aside to this issue: the NIMA pdf Janne ref'ed on local geodetic systems
> notes "ID codes" with it appendix of ellipoid tables. For example: WGS 84
> was code "WE".
>
> Reference may be in the pdf but I could not locate it. It just refers
> to "standardized two letter code."
>
> Does anyone know where and who is responsible for these codes?
>
> On Monday 05 January 2009 2:25:40 pm Clifford J Mugnier wrote:
>> The largest I have ever seen in one place that is published is Georg
>> Strasser's Ph.D. dissertation from the 1960s, but I don't know if it's
>> available on the internet. Of course, it doesn't have the ones listed
>> after that date of publication. I think it contained over 200 ellipsoids
>> ...
> ...
>> From: proj-bounces at lists.maptools.org on behalf of Gerald I. Evenden
>> Sent: Fri 02-Jan-09 11:08
>> To: PROJ.4 and general Projections Discussions
>> Subject: [Proj] Ellipsoid data sources
>>
>>
>>
>> Because I was refurbishing the GEOD_ELLIPS structure array of standard
>> earth ellipse constants with its current 54 entries I seem to recall a
>> seeing a list that may have been longer. However browsing the normal list
>> of suspects has turned up nothing.
>>
>> Does anyone have info on a well vetted and comprehensive list of earth
>> ellipsoid constants.
>
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