On Wed, 19 May 2010, Paul Kelly wrote:
On Mon, 17 May 2010, Maciej Sieczka wrote:
Does this sound acceptable for now - in particular are there any
differences between Pulkovo 1942 and Pulkovo 1942 (58) that are worth
worrying about?
I don't know.
OK well I will guess that any differences are not relevant for us here, and
will see about adding the equivalence of Pulkovo_1942_58 and Pulkovo_1942 to
SVN.
Actually it is a bit more complicated than this. According to the EPSG
database, Pulkovo_1942 is used in the following countries:
Armenia; Azerbaijan; Belarus; Estonia; Georgia; Kazakhstan; Kyrgyzstan;
Latvia; Lithuania; Moldova; Russian Federation; Tajikistan; Turkmenistan;
Ukraine; Uzbekistan.
and Pulkovo_1942_58 is used in the following countries:
Albania; Bulgaria; Czech Republic; Germany (former DDR); Hungary; Poland;
Romania; Slovakia.
So it seems to me that we should have two separate datum entries in GRASS,
and that it is arguably a bug treating them both as one.
I would appreciate some suggestions on what the GRASS abbreviation for
Pulkovo 1942 (58) should be; for Pulkovo 1942 it is S-42 - which IMHO is
not nice as it has a capital letter in it, but of course we can't change
it without breaking existing locations.
Paul
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