Hmm. I'm intrigued. If no one else wants to take this on, I'll have a go at it.
I realize that there is a discussion about the best interface going on, but this will be a proof (more like a re-proof) of concept. regards, Larry On 9/14/07, Edgar Soldin <[EMAIL PROTECTED]> wrote: > Hey Larry, > > More seriously - are you saying that we can just add a GT2 jar, wrap > > it in an interface like some of the guys have been kicking around, and > > get instant transformation? > > > make it 4 jars and use given jts objects .. voila, see: > http://docs.codehaus.org/display/GEOTDOC/01+CRS+Helper+Class > > what i did originally was filtering geometries coordinates, create and > replace new geometries with them and save the old ones for a possible > 'UNDO'. > it looks like by version gt2.3, they have a utility class that can > manipulate geometries directly. *nice* > > What would we do for a start? Add a Layer->reproject function? > > > to check how good it works yes... i suggested a user interface earlier > this year.. maybe you want to check > http://www.jump-project.org/pipermail/jump-devel/2007-July/000629.html > > re-regards ede > > regards, > > Larry > > > > > > > > On 9/13/07, Stefan Steiniger <[EMAIL PROTECTED]> wrote: > > > >> probably rather to this list ;) > >> > >> -------- Original-Nachricht -------- > >> Betreff: [jump-devel] Projection with Geotools2 CRS > >> Datum: Thu, 13 Sep 2007 21:00:44 +0200 > >> Von: Edgar Soldin <[EMAIL PROTECTED]> > >> Antwort an: JUMP Developers <[EMAIL PROTECTED]> > >> An: JUMP Developers <[EMAIL PROTECTED]> > >> > >> Hello All, > >> > >> because of all the comments related to projection (interfaces) , here is > >> an example of the simplicity in using GT2 CRS for projection/transformation > >> > >> SNIPPET--> > >> CoordinateOperationFactory coFactory = > >> FactoryFinder.getCoordinateOperationFactory(null); > >> MathTransform transform; > >> src = FactoryFinder.getCRSFactory(null).createFromWKT("PROJCS[\"DHDN > >> / Gauss-Kruger Zone 3\", GEOGCS[\"DHDN\", DATUM[\"Deutsches > >> Hauptdreiecksnetz\", SPHEROID[\"Bessel 1841\", 6377397.155, 299.1528128, > >> AUTHORITY[\"EPSG\",\"7004\"]], TOWGS84[598.1, 73.7, 418.2, > >> 0.2019999999999998, 0.04499999999999995, -2.4549999999999974, 6.7], > >> AUTHORITY[\"EPSG\",\"6314\"]], PRIMEM[\"Greenwich\", 0.0, > >> AUTHORITY[\"EPSG\",\"8901\"]], UNIT[\"degree of > >> angle\",0.017453292519943295], AXIS[\"Geodetic longitude\",EAST], > >> AXIS[\"Geodetic latitude\",NORTH], AUTHORITY[\"EPSG\",\"4314\"]], > >> PROJECTION[\"Transverse_Mercator\"], PARAMETER[\"semi_major\", > >> 6377397.155], PARAMETER[\"semi_minor\", 6356078.962818189], > >> PARAMETER[\"central_meridian\", 8.999999999999991], > >> PARAMETER[\"latitude_of_origin\", 0.0], PARAMETER[\"scale_factor\", > >> 1.0], PARAMETER[\"false_easting\", 3500000.0], > >> PARAMETER[\"false_northing\", 0.0], UNIT[\"metre\",1.0], > >> AXIS[\"Easting\",EAST], AXIS[\"Northing\",NORTH], > >> AUTHORITY[\"EPSG\",\"31467\"]]"); > >> //src = FactoryFinder.getCRSAuthorityFactory("EPSG", > >> null).createCoordinateReferenceSystem("EPSG:31467"); > >> trg = FactoryFinder.getCRSAuthorityFactory("EPSG", > >> null).createCoordinateReferenceSystem("EPSG:4326"); > >> CoordinateOperation co = coFactory.createOperation(src, trg); > >> > >> transform = co.getMathTransform(); > >> <--SNIPPET > >> > >> the snippet is only rough cut out of my tests. It will not compile in > >> this state, but still it shows how easy it is with GT2 to get a > >> transformation (from WKT or EPSG ID, as you choose) for projecting > >> coordinates. The EPSG entries of the factory are of course > >> request-/listable by name(description). > >> > >> just trying to lobby for the GT2 library, as I get the impression the > >> list is a bit afraid of it ;). > >> > >> regards ede > >> > >> -- > >> public class WhoDidIt{ // A comment. I love comments > >> private static Person sender; > >> > >> public static void main (String[] foo){ > >> > >> sender = new Person(); > >> sender.setName(new String[]{"Edgar", "Soldin"}); > >> > >> Address address = new Address(); > >> address.setStreet("Stadtweg 119"); > >> address.setZip(39116); > >> address.setCity("Magdeburg"); > >> address.setCountry("Germany"); > >> > >> sender.setAddress(address); > >> > >> sender.setMobilePhone(" +49(0)171-2782880 "); > >> sender.setWebSiteUrl(" http://www.soldin.de "); > >> sender.setEmail(" [EMAIL PROTECTED] "); > >> sender.setPGPPublicKey(" http://www.soldin.de/edgar_soldin.asc "); > >> sender.setGender(true); > >> > >> System.out.println(sender.toString()); > >> } > >> } > >> > >> _______________________________________________ > >> jump-devel mailing list > >> [EMAIL PROTECTED] > >> http://lists.refractions.net/mailman/listinfo/jump-devel > >> > >> > >> > >> ------------------------------------------------------------------------- > >> This SF.net email is sponsored by: Microsoft > >> Defy all challenges. Microsoft(R) Visual Studio 2005. > >> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > >> _______________________________________________ > >> Jump-pilot-devel mailing list > >> Jump-pilot-devel@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >> > >> > > > > > > > > > -- > public class WhoDidIt{ // A comment. I love comments > private static Person sender; > > public static void main (String[] foo){ > > sender = new Person(); > sender.setName(new String[]{"Edgar", "Soldin"}); > > Address address = new Address(); > address.setStreet("Stadtweg 119"); > address.setZip(39116); > address.setCity("Magdeburg"); > address.setCountry("Germany"); > > sender.setAddress(address); > > sender.setMobilePhone(" +49(0)171-2782880 "); > sender.setWebSiteUrl(" http://www.soldin.de "); > sender.setEmail(" [EMAIL PROTECTED] "); > sender.setPGPPublicKey(" http://www.soldin.de/edgar_soldin.asc "); > sender.setGender(true); > > System.out.println(sender.toString()); > } > } > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > -- http://amusingprogrammer.blogspot.com/ ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
