A more direct port of proj4 to java is currently being maintained by the author of jts, Martin Davis:
http://trac.osgeo.org/proj4j/ -Justin On Wed, Aug 18, 2010 at 5:24 PM, Jody Garnett <[email protected]>wrote: > GeoTools is an alternative... > http://docs.codehaus.org/display/GEOTDOC/01+CRS+Helper+Class > > You need two things to have a GIS ... for geotools: > - geometry: JTS > - referencing: the referencing module > > For comparison PostGIS: > - geometry: GEOS (a port of JTS) > - referencing: Proj > > Here is a quick code example: > > import org.geotools.referencing.CRS; > > CoordinateReferenceSystem sourceCRS = CRS.decode("EPSG:4326"); > CoordinateReferenceSystem targetCRS = CRS.decode("EPSG:23032"); > > MathTransform transform = CRS.findMathTransform(sourceCRS, targetCRS, true); > > Geometry targetGeometry = JTS.transform( sourceGeometry, transform); > > > > On 19/08/2010, at 1:14 AM, Mohammed Rashad wrote: > > does geotools have support for proj4 library? if No does it have any > alternative? > ------------------------------------------------------------------------------ > > This SF.net email is sponsored by > > Make an app they can't live without > Enter the BlackBerry Developer Challenge > http://p.sf.net/sfu/RIM-dev2dev_______________________________________________ > Geotools-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geotools-devel > > > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by > > Make an app they can't live without > Enter the BlackBerry Developer Challenge > http://p.sf.net/sfu/RIM-dev2dev > _______________________________________________ > Geotools-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geotools-devel > > -- Justin Deoliveira OpenGeo - http://opengeo.org Enterprise support for open source geospatial.
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