geos: GEOS (Geometry Engine, Open Source) geos: geos: GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology geos: Suite (JTS). As such, it aims to contain the complete functionality of geos: JTS in C++. This includes all the OpenGIS Simple Features for SQL spatial geos: predicate functions and spatial operators, as well as specific JTS geos: enhanced topology functions. geos: GEOS is available under the terms of GNU Lesser General Public License geos: (LGPL), and is a project of OSGeo. geos: geos: Packaged by Georgi D. Sotirov