ok....I guess I have to revise the INSPIRE guidelines then. Germany is supposed
to change it´s CRS to ETRS89 zone 32N ...????
________________________________
Von: Andrea Aime <[email protected]>
An: Robert Buckley <[email protected]>
Cc: "[email protected]"
<[email protected]>
Gesendet: 20:33 Montag, 13.Februar 2012
Betreff: Re: [Geoserver-users] Is the EPSG:25832 extent defined wrong in
geoserver demo srs list?
On Mon, Feb 13, 2012 at 8:06 PM, Robert Buckley <[email protected]>
wrote:
Hi,
>
>
>look at the openlayers map extent....EPSG.25832 zone 32 north should actually
>cover most of Europe shouldn´t it?
>
>
>Why is the extent in geoserver and the extent
>here http://spatialreference.org/ref/epsg/25832/ only covering parts of
>denmark and norway?
The GeoServer extent comes from the official EPSG database, the extent is
declared by EPSG, not computed by us.
Being a UTM zone it cannot cover more than 6 degrees in longitude, so it
definitely cannot cover "most of Europe",
though normally a UTM like zone can be used from the equator up to 84 degrees
north.
(see http://en.wikipedia.org/wiki/Universal_Transverse_Mercator_coordinate_system)
The area declared often takes into account the regions in which the projection
is actually used.
Take for example http://spatialreference.org/ref/epsg/3004/, it's another UTM
like projection but
it's defined to be valid only over Italy because that's where it's actually
used (the fact that it's using
a custom datum centered roughly in Rome also means it's accurate in the
vicinity of Italy, but
not so much elsewhere).
Cheers
Andrea
--
-------------------------------------------------------
Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 962313
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