locationtech/jts

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

2227 stars · 474 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

The JTS Topology Suite is a Java library for creating and manipulating vector geometry, providing a comprehensive set of geometry algorithms, OGC WKT parsing, and spatial operations. It also includes a TestBuilder GUI application for visualizing geometry and JTS functions.

Use cases

• compute intersections and unions of polygons in Java
• parse and write OGC WKT geometry strings
• perform spatial predicates like intersects and contains
• build Voronoi diagrams and Delaunay triangulations
• buffer and simplify vector geometries
• validate and clean GIS geometry data

When to choose

• you need robust 2D vector geometry operations on the JVM
• you're building GIS or mapping software in Java
• you need OGC-compliant geometry models and WKT I/O
• you want a well-tested, widely ported geometry library (GEOS, NetTopologySuite are ports)

When to avoid

• you need 3D geometry processing
• you're working outside the JVM ecosystem (use GEOS or NetTopologySuite instead)
• you need raster or imagery processing rather than vector geometry

Facets

library · maturity stable

geospatial math parser jvm cross-platform computational-geometry vector-geometry gis ogc-wkt triangulation voronoi topology geospatial maps algorithms

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