[mapserver-users] Coordinates shifted for EPSG:28992
Even Rouault
even.rouault at spatialys.com
Thu Sep 17 12:54:37 PDT 2020
On jeudi 17 septembre 2020 21:20:56 CEST Just van den Broecke wrote:
> Hi Evan,
>
> Thanks for your quick reply! Will try out other combinations of proj and
> MS with custom compiles and let you know here.
>
> I did not quite grasp your last paragraph, but I am no expert in the
> subject. For The Netherlands the expert is Lennard Huisman, formerly
> from Dutch Kadaster. IMHO he donated to proj the most accurate
> transformation with an NTV2 grid for the "real" Dutch coordinate system
> (another EPSG code), which was set out by hand via triangulation.
I suspect you're speaking about the rdtrans2008 or rdtrans2018 grids that are for
transformations between the Amersfoort datum and ETRS89. I can't see any grids between
Amersfoort and WGS84 registered in EPSG, because of the time-dependent nature of WGS84
(well you could use the grids for transformation to WGS84 if you're ready to consider ETRS89
== WGS84 for your purposes).
--
Spatialys - Geospatial professional services
http://www.spatialys.com
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