GEOS - Geometry Engine, Open Source

GEOS (Geometry Engine - Open Source) is a C++ port of the ​Java Topology Suite (JTS). As such, it aims to contain the complete functionality of JTS in C++. This includes all the OpenGIS "Simple Features for SQL" spatial predicate functions and spatial operators, as well as specific JTS enhanced topology functions.

Download

• 2007/12/21 ​geos-3.0.0.tar.bz2
• 2006/07/08 ​geos-2.2.3.tar.bz2
• ​old versions

Install

Download the latest source code release.

 ./configure
 make
 make install

Development

Bug Reporting

You will need an ​OSGeo user account to submit bugs here. A "New Ticket" button will appear once you have logged in.

When submitting bugs caused by particular geometries (TopologyExceptions, for example), you must submit the geometries that cause the failure, preferably in hex-encoded WKB, so that we can re-produce the failure cases.

Mailing Lists

• [geos-devel]
  ​Subscribe/Unsubscribe | ​List Archive
• [geos-commits]
  ​Subscribe/Unsubscribe | ​List Archive

SVN Repository

• Repository address: ​http://svn.osgeo.org/geos/
• Checkout with: svn checkout http://svn.osgeo.org/geos/trunk geos-svn
• Nightly snapshot: ​http://geos.refractions.net/downloads/geos-svn.tar.bz2

Governance

The GEOS project is run by a Project Steering Committee made up of developers and contributors to the project. Major project decisions are made via a Request for Comments process, where proposals are first documented and then voted on by the steering committee.

• RFC-1 - Project Steering Committee
• RFC-2 - Committer Guidelines

Other Information

• Buildbot -- Farm used to run regular builds and tests
• ​GEOS API -- Doxygen-generate API documentation
• ​SVN Change Log -- Changes and comments from SVN

Wiki / Trac Information

• TracGuide -- Built-in Documentation
• ​The Trac project -- Trac Open Source Project
• ​Trac FAQ -- Frequently Asked Questions
• TracSupport -- Trac Support
• For a complete list of local wiki pages, see TitleIndex.