Hey,
Try using the base epsg jar as well. I don't think epsg-ext was meant to
be used as a standalone but only along with the epsg jar.
--adrian
On Sun, 2008-12-07 at 17:35 +0530, Shyam Nagarajan wrote:
> Hi,
>
>
> I am using GeoTools 2.5.0. I want to project data in another CRS to
> Google Mercator CRS. I was previously using WKT to create the Google
> Mercator CRS.
>
> Since now we have an official EPSG code for the same I want to switch
> over to that. Please find below the code that I have written.
>
> CRSAuthorityFactory factory = CRS.getAuthorityFactory(true);
>
> CoordinateReferenceSystem crs =
> factory.createCoordinateReferenceSystem("EPSG:3785");
>
> The same code worked when I used EPSG:4326.
>
> I have added gt-epsg-extension-2.5.0.jar to the classpath. Even after
> doing so I get the following exception:
>
> Exception in thread "main"
> org.opengis.referencing.NoSuchAuthorityCodeException: No code
> "EPSG:3785" from authority "European Petroleum Survey Group" found for
> object of type "CoordinateReferenceSystem".
>
> at
> org.geotools.referencing.factory.AbstractAuthorityFactory.noSuchAuthorityCode(AbstractAuthorityFactory.java:949)
>
> at
> org.geotools.referencing.factory.epsg.DirectEpsgFactory.createCoordinateReferenceSystem(DirectEpsgFactory.java:2000)
>
> at
> org.geotools.referencing.factory.BufferedAuthorityFactory.createCoordinateReferenceSystem(BufferedAuthorityFactory.java:781)
>
> at
> org.geotools.referencing.factory.AuthorityFactoryAdapter.createCoordinateReferenceSystem(AuthorityFactoryAdapter.java:798)
>
> at
> org.geotools.referencing.factory.BufferedAuthorityFactory.createCoordinateReferenceSystem(BufferedAuthorityFactory.java:781)
>
> at
> org.geotools.referencing.factory.AuthorityFactoryAdapter.createCoordinateReferenceSystem(AuthorityFactoryAdapter.java:798)
>
> at
> org.geotools.referencing.factory.FallbackAuthorityFactory.createCoordinateReferenceSystem(FallbackAuthorityFactory.java:638)
>
> at
> org.geotools.referencing.factory.AuthorityFactoryAdapter.createCoordinateReferenceSystem(AuthorityFactoryAdapter.java:798)
>
> at
> org.geotools.referencing.factory.ThreadedAuthorityFactory.createCoordinateReferenceSystem(ThreadedAuthorityFactory.java:729)
>
> at
> org.geotools.referencing.DefaultAuthorityFactory.createCoordinateReferenceSystem(DefaultAuthorityFactory.java:179)
>
> at
> com.cognizant.clips.data.utils.ShapeFileTransformer.getCoordinateReferenceSystem(ShapeFileTransformer.java:233)
>
> at
> com.cognizant.clips.data.utils.ShapeFileTransformer.main(ShapeFileTransformer.java:90)
>
> I had a similar error when I used EPSG:900913.
>
> I referred to other posts and there was a mention that epsg-ext jar
> had to be added to the classpath for this. I am assuming that the jar
> referred to is gt-epsg-extension-2.5.0.jar. I have not configured any
> EPSG databases. On checking the esri.properties file in
> gt-epsg-extension-2.5.0.jar, I could not find an entry for 3785 and
> 900913.
>
> Please let me know if I am missing something.
>
> Thanks and Regards,
>
> Shyam Sundar.N
>
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