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 in incubation with the LocationTech working group of the Eclipse Foundation.
JTS is open source software. It is dual-licensed under:
See also:
If you are interested in contributing to JTS please read the Contributing Guide.