Thanks for your response. Shouldn't between 1) and 2) the epsg-scripts be executed to fill the database? Where I can find the EPSG code for the source and target coordinate systems? Is there a list available for the WKTs of all coordinate systems?
-- Mike Martin Desruisseaux schrieb: > Le lundi 19 février 2007 à 17:39 +0100, Mike Lehmann a écrit : >> The last hours I read a lot of documentation about setting up CRS with >> geotools. Unfortunately, it seems to require a database. We only want to >> transform between two coordinate systems WGS84 (latitude, longitude) and >> Gauss-Krüger (Germany, chooseable center-meridian stripe). Is it really >> necessary to set up a database for this transformation? > > You can process with the following steps: > > 1) Temporarily put "gt2-epsg-hsql.jar" in your classpath: > > 2) Execute the following command from the command line, where <code> > is the EPSG code for your coordinate reference system: > > java org.geotools.referencing.factory.epsg.DefaultFactory <code> > > Note: on Geotools 2.4, this command will be replaced by a slightly > more generic one there (not limited to EPSG codes): > > java org.geotools.referencing.CRS <code> > > 3) The above-command should print the Well Known Text (WKT) for your > CRS. Copy and paste the WKT as a String constant in your code. > > 4) You can remove the "gt2-epsg-hsql.jar" file from your classpath. > > 5) In your code, use > > CoordinateReferenceSystem crs = CRS.parseWKT(theWktString); > > Martin > > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Geotools-gt2-users mailing list Geotools-gt2-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users