Larry, Alevel we should probably have a utility class that would reproject a Category,a Layer, a FeatureCollection
In JUMP we should have some high level utility methods to reproject the following. We can then leave the more detailed discussion on projection libraries to a later date. Task Category Layer FeatureCollection Feature Paul Larry Becker wrote: > 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 >> >> > > > ------------------------------------------------------------------------- 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
