[Proj] trying to understand results of reprojecting from epsg4326 to epsg 31370

[Moritz Lennert]

On 08/07/09 17:34, OvV_HN wrote:
> ----- Original Message ----- 
> From: "Clifford J Mugnier" <cjmce at lsu.edu>
> To: "PROJ.4 and general Projections Discussions" <proj at lists.maptools.org>
> Sent: Tuesday, July 07, 2009 6:36 PM
> Subject: Re: [Proj] trying to understand results of reprojecting from 
> epsg4326 to epsg 31370
> 
> 
> There are two different geodetic conventions to the sense of the rotations 
> used for 7-parameter transformations.  There is the right-handed rule used 
> by the Americans and the Australians, and the left-handed rule used by the 
> Europeans.
> 
> 
> 
> Reply from Oscar van Vlijmen:
> 
> Then again, it really helps to read the fu... (erm... fabulous) manual.
> In the pdf article found under
> "Transformaties tussen geografische cöordinaten (φ,λ) en vlakke coördinaten 
> (x,y) voor Lambert 1972 en 2008."
> on the page
> http://www.ngi.be/NL/NL2-1-7.shtm
> everything regarding rotation models, signs, errors wrt the Lambert 1972 
> projection is clearly explained.
> It is possible that there is also a French version of that article 
> available.

I'm sorry, but I don't see where in this document I can see a hint about 
different geodetic conventions concering the sense of rotation, be it in 
the Dutch or the French version...

Moritz