[Proj] GeographicLib geoid calculations

[Thomas Knudsen]

2012/10/19 Noel Zinn (cc) <ndzinn at comcast.net>

>
> The difference between the (level) geoid and the (non-level) MSS is Dynamic
> Ocean Topography (DOT).
>

Actually the difference between the geoid and the MSS is the Mean Dynamic
Topography (MDT), cf. e.g. http://www.dgfi.badw.de/index.php?id=333

(the MDT is the long term mean of the DOT, primarily resolving large scale
ocean currents)

regards
Thomas
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.maptools.org/pipermail/proj/attachments/20121019/a869a156/attachment.htm