[postgis-users] Which SRID to choose?

[Markus Spring]

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Hi list,

Markus Schaber wrote:
|
| There seems to be some difference between the EPSG codes in PostGIS and
| the actual EPSG data - when I look for the "Deutsches
| Einheitsdreiecksnetz" in Postgis, I get the SRIDs/EPSG-IDs 31491 to
| 31495, while the current EPSG database defines 31461 to 31469. Most of
| the other reference systems seem to match.

and it seems that I've stumbled across a similar problem.

Munich's Gauss-Krueger koordinates are told to be in EPSG:31468.
I can find this code in proj-4.4.7's /usr/share/proj/epsg file, but not
in the spatial_ref_sys table of postgis-0.8.1.

If the latter is deduced from the first, might it be possible to include
the conversion file additionally to or instead of
spatial_ref_sys.sql?

Please, could one of the developers shed light on this issue?

Kind regards

Markus Spring
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