wiki:WikiStart

Version 4 (modified by mdavis, 13 years ago) ( diff )

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Welcome to Proj4J

Proj4J is a Java library to transform point coordinates from one coordinate system to another, including datum transformations.

The core of this library is a port of the PROJ.4 C library. The basic algorithms, concepts and coordinate system definitions supplied by PROJ.4 have been exposed via a class model which follows standard Java conventions and OO best practices.

Proj4J is a part of the MetaCRS group of projects, hosted by OSGeo.

Download

The current development source is available via anonymous SVN from http://svn.osgeo.org/metacrs/proj4j.

Resources

  • The PROJ.4 site has a comprehensive list of resources dealing with Coordinate Systems in general and the PROJ.4 library in particular.
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