JTS Topology Suite

The JTS Topology Suite is a Java library for creating and manipulating vector geometry. It also provides a comprehensive set of geometry test cases, and the TestBuilder GUI application for working with and visualizing geometry and JTS functions.

JTS is a project in the LocationTech working group of the Eclipse Foundation.

Locations

Code

• GitHub Repo
• Maven Central group

Websites

• LocationTech Home
• GitHub web site

Communication

• Mailing List
• Gitter Channel

License

JTS is open source software. It is dual-licensed under:

• Eclipse Public License 1.0
• Eclipse Distribution License 1.0 (a BSD Style License)

See also:

• License details
• Licensing FAQ

Documentation

• Javadoc
• Frequently Asked Questions are documented in the FAQ
• Installing and using JTS is described in the User Guide.
• Building and developing with JTS is described in the Developing Guide.
• Migrating from previous versions of JTS is described in the Upgrade Guide.

History

• History from the previous JTS SourceForge repo is in the branch _old/history
• Older versions of JTS can be found on SourceForge and here

Contributing

If you are interested in contributing to JTS please read the Contributing Guide.

Downstream Projects

Derivative (ports to other languages)

• GEOS - C++
• NetTopologySuite - .NET
• JSTS - JavaScript

Via GEOS

• Shapely - Python wrapper of GEOS
• R-GEOS - R wrapper of GEOS
• rgeo - Ruby wrapper of GEOS
• GEOSwift- Swift library using GEOS