Are any of the AUTO SRSes supported in GeoServer? If not, how can one add them in?
Thanks.
Not sure what you mean exactly by "AUTO"... do you mean SRS's that GeoServer supports out of the box? If so then yes, a large variety. If you do a WMS GetCapabilities you will get a bunch of them.
You can also add your own SRS by placing its well known text in the user_projection/epsg.properties file of your GeoServer data directory. See:
http://geoserver.org/display/GEOSDOC/Custom+projection+definition+in+Geoserver+1.5.0+(onwards)
-Justin
s anwar wrote:
Are any of the AUTO SRSes supported in GeoServer? If not, how can one add them in?
Thanks.
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Justin Deoliveira
The Open Planning Project
jdeolive@anonymised.com
s anwar ha scritto:
Are any of the AUTO SRSes supported in GeoServer? If not, how can one add them in?
The referencing subsystem claims that we support the following AUTO
projections (all those defined by the WMS 1.1.1 standard plus 42005
which I don't know about):
42001, 42002, 42003, 42004, 42005
Thought frankly I never tried to use them in practice, I usually
stick to official EPSG codes. If you try them out, let us know
how they work for you.
Cheers
Andrea
Andrea Aime ha scritto:
s anwar ha scritto:
Are any of the AUTO SRSes supported in GeoServer? If not, how can one add them in?
The referencing subsystem claims that we support the following AUTO
projections (all those defined by the WMS 1.1.1 standard plus 42005
which I don't know about):
42001, 42002, 42003, 42004, 42005Thought frankly I never tried to use them in practice, I usually
stick to official EPSG codes. If you try them out, let us know
how they work for you.
Hum, for the kicks of it I tried, from code, the following:
AUTO:42001,18,0 -> results in:
PROJCS["WGS 84 / Auto UTM",
GEOGCS["WGS84",
DATUM["WGS84",
SPHEROID["WGS84", 6378137.0, 298.257223563]],
PRIMEM["Greenwich", 0.0],
UNIT["degree", 0.017453292519943295],
AXIS["Geodetic longitude", EAST],
AXIS["Geodetic latitude", NORTH]],
PROJECTION["Transverse_Mercator"],
PARAMETER["central_meridian", 21.0],
PARAMETER["latitude_of_origin", 0.0],
PARAMETER["scale_factor", 0.9996],
PARAMETER["false_easting", 500000.0],
PARAMETER["false_northing", 0.0],
UNIT["m", 1.0],
AXIS["Easting", EAST],
AXIS["Northing", NORTH]]
AUTO:42002,18,0 -> results in:
PROJCS["WGS 84 / Auto Tr. Mercator",
GEOGCS["WGS84",
DATUM["WGS84",
SPHEROID["WGS84", 6378137.0, 298.257223563]],
PRIMEM["Greenwich", 0.0],
UNIT["degree", 0.017453292519943295],
AXIS["Geodetic longitude", EAST],
AXIS["Geodetic latitude", NORTH]],
PROJECTION["Transverse_Mercator"],
PARAMETER["central_meridian", 18.0],
PARAMETER["latitude_of_origin", 0.0],
PARAMETER["scale_factor", 0.9996],
PARAMETER["false_easting", 500000.0],
PARAMETER["false_northing", 0.0],
UNIT["m", 1.0],
AXIS["Easting", EAST],
AXIS["Northing", NORTH]]
AUTO:42003,18,0 -> not supported, "Elliptical projection not supported"
(that is, we have the math for Ortographic, but
only for the spherical case, whilst the WMS
standard asks for the WGS84 datum, which is
elliptical).
AUTO:42004,10,10 -> does not work due to a bug,
the latitude of origin is reported as missing
(but WMS standard says it should be fixed to 0?)
AUTO:42005,18,0 -> not supported, no transform
for classification "Mollweide".
As for adding or improving them, you'll have to
work in GeoTools, have a look at AutoCRSFactory
in the gt2-referencing module.
Cheers
Andrea